/* roulang page: index */
:root {
            --brand-deep: #0E3A5D;
            --brand-mid: #166A86;
            --brand-teal: #21A19C;
            --brand-accent: #F26B3A;
            --brand-accent-hover: #D9572A;
            --brand-cyan: #2E8FA3;
            --bg-soft: #F5F7FA;
            --bg-dark: #0B2A40;
            --bg-card: #FFFFFF;
            --text-primary: #142A3A;
            --text-body: #3D5567;
            --text-weak: #6B8295;
            --text-on-dark: #E8F0F5;
            --text-on-accent: #FFFFFF;
            --border-soft: rgba(14, 58, 93, 0.08);
            --border-medium: rgba(14, 58, 93, 0.14);
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-inner: 12px;
            --shadow-card: 0 8px 24px rgba(10, 45, 64, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(10, 45, 64, 0.14);
            --shadow-lg: 0 24px 48px rgba(10, 45, 64, 0.15);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --transition-base: 0.25s ease;
            --gradient-brand: linear-gradient(135deg, #0E3A5D 0%, #166A86 45%, #21A19C 100%);
            --gradient-accent: linear-gradient(135deg, #F26B3A 0%, #F59B6E 100%);
            --gradient-edge: linear-gradient(90deg, #0E3A5D 0%, #166A86 50%, #21A19C 100%);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-soft);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--brand-accent);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-family);
            color: var(--text-primary);
            line-height: 1.3;
            font-weight: 700;
            margin: 0 0 16px;
        }

        h1 {
            font-size: 40px;
            line-height: 1.2;
        }

        h2 {
            font-size: 30px;
            margin-bottom: 20px;
        }

        h3 {
            font-size: 20px;
            margin-bottom: 12px;
        }

        p {
            margin-bottom: 16px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--tight {
            padding: 48px 0;
        }

        .section--dark {
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
        }

        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }

        .section--dark p {
            color: rgba(232, 240, 245, 0.82);
        }

        .section--soft {
            background-color: #EDF2F6;
        }

        .section--gradient-bg {
            background: var(--gradient-brand);
            color: #FFFFFF;
        }

        .section--gradient-bg h2,
        .section--gradient-bg h3 {
            color: #FFFFFF;
        }

        .section--gradient-bg p {
            color: rgba(255, 255, 255, 0.88);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-weak);
            margin-bottom: 36px;
            max-width: 720px;
        }

        .section--dark .section-subtitle {
            color: rgba(232, 240, 245, 0.7);
        }

        .section--gradient-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn--primary {
            background-color: var(--brand-accent);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(242, 107, 58, 0.25);
        }

        .btn--primary:hover {
            background-color: var(--brand-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(242, 107, 58, 0.35);
            text-decoration: none;
        }

        .btn--outline {
            background: transparent;
            color: var(--brand-deep);
            border: 2px solid var(--brand-deep);
        }

        .btn--outline:hover {
            background: var(--brand-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--small {
            padding: 10px 18px;
            font-size: 14px;
        }

        .btn--large {
            padding: 16px 36px;
            font-size: 17px;
        }

        /* Header / Nav */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(10, 45, 64, 0.06);
        }

        .site-header__top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--brand-deep);
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 1px;
        }

        .site-logo:hover {
            color: var(--brand-deep);
            text-decoration: none;
        }

        .site-logo__icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 22px;
            flex-shrink: 0;
        }

        .site-logo__text {
            line-height: 1.2;
        }

        .site-logo__text small {
            display: block;
            font-size: 12px;
            font-weight: 400;
            color: var(--text-weak);
            letter-spacing: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .header-search-btn {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: #F0F4F7;
            border: none;
            color: var(--brand-deep);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
        }

        .header-search-btn:hover {
            background: var(--brand-cyan);
            color: #FFFFFF;
        }

        .header-cta-btn {
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            background: var(--brand-accent);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .header-cta-btn:hover {
            background: var(--brand-accent-hover);
            color: #FFFFFF;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .hamburger-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: #F0F4F7;
            border: none;
            color: var(--brand-deep);
            font-size: 20px;
            align-items: center;
            justify-content: center;
        }

        .site-nav {
            padding: 0 0 10px;
        }

        .site-nav__grid {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            justify-content: flex-start;
        }

        .site-nav__item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .site-nav__item:hover {
            background: #F0F7F8;
            color: var(--brand-deep);
            text-decoration: none;
            border-color: var(--border-soft);
        }

        .site-nav__item.is-active {
            background: var(--gradient-brand);
            color: #FFFFFF;
            font-weight: 600;
            border-color: transparent;
        }

        .site-nav__item i {
            font-size: 16px;
        }

        .mobile-menu {
            display: none;
            background: #FFFFFF;
            border-top: 1px solid var(--border-soft);
            padding: 16px 0;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu__link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            color: var(--text-body);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            transition: all var(--transition-base);
        }

        .mobile-menu__link:hover {
            background: #F0F7F8;
            color: var(--brand-deep);
            text-decoration: none;
        }

        .mobile-menu__link.is-active {
            background: rgba(14, 58, 93, 0.08);
            color: var(--brand-deep);
            font-weight: 600;
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0B2A40 0%, #0E3A5D 40%, #166A86 70%, #1A7A7A 100%);
            color: #FFFFFF;
            overflow: hidden;
            padding: 72px 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/f4959145afccc626.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 58, 93, 0.35);
            z-index: 2;
        }

        .hero__content {
            position: relative;
            z-index: 3;
            max-width: 680px;
        }

        .hero__tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            margin-bottom: 20px;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .hero__title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.22;
            letter-spacing: -0.5px;
            color: #FFFFFF;
            margin-bottom: 20px;
        }

        .hero__desc {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 32px;
            max-width: 560px;
        }

        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .hero__badges {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-badge {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-badge__num {
            font-size: 28px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.5px;
        }

        .hero-badge__label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        .hero__panel {
            position: relative;
            z-index: 3;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(16px);
            border-radius: var(--radius-card);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.22);
            box-shadow: var(--shadow-lg);
        }

        .hero-panel__title {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-panel__match {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-panel__match:last-child {
            border-bottom: none;
        }

        .hero-panel__team {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            white-space: nowrap;
        }

        .hero-panel__score {
            font-size: 18px;
            font-weight: 800;
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.18);
            border-radius: 8px;
            padding: 4px 12px;
            min-width: 56px;
            text-align: center;
        }

        /* Pain Points Section */
        .pain-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .pain-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
        }

        .pain-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--border-medium);
        }

        .pain-card__icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            background: #FFF0EB;
            color: var(--brand-accent);
        }

        .pain-card h3 {
            font-size: 17px;
            margin-bottom: 10px;
        }

        .pain-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* Solution Section */
        .solution-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            display: flex;
            gap: 36px;
            align-items: center;
        }

        .solution-card__media {
            flex: 0 0 40%;
            border-radius: var(--radius-inner);
            overflow: hidden;
            min-height: 300px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 60px;
        }

        .solution-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .solution-card__body {
            flex: 1;
        }

        .solution-card__body h3 {
            font-size: 24px;
            margin-bottom: 14px;
        }

        .solution-card__body p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
        }

        /* Category Icons Grid */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .category-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px 16px;
            text-decoration: none;
            color: var(--text-body);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            text-align: center;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            background: #F0F7F8;
            color: var(--brand-deep);
            text-decoration: none;
            border-color: rgba(46, 143, 163, 0.3);
        }

        .category-card__icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 24px;
            transition: all var(--transition-base);
        }

        .category-card:hover .category-card__icon {
            background: var(--gradient-accent);
            transform: scale(1.05);
        }

        .category-card__label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        /* Method Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            position: relative;
            transition: all var(--transition-base);
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-card__num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-accent);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 14px;
        }

        .step-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 13px;
            line-height: 1.65;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* Data Metrics */
        .metrics-banner {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
            padding: 36px 40px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 2px solid transparent;
            background-image: linear-gradient(#FFFFFF, #FFFFFF), var(--gradient-edge);
            background-origin: border-box;
            background-clip: padding-box, border-box;
        }

        .metric-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .metric-item__num {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand-deep);
            letter-spacing: -1px;
            line-height: 1.1;
        }

        .metric-item__label {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .testimonial-card__quote {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
            flex: 1;
        }

        .testimonial-card__footer {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--border-soft);
        }

        .testimonial-card__avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .testimonial-card__name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-card__role {
            font-size: 12px;
            color: var(--text-weak);
        }

        /* Audience Cards */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .audience-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 26px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            text-align: center;
            transition: all var(--transition-base);
        }

        .audience-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(46, 143, 163, 0.3);
        }

        .audience-card__icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #F0F7F8;
            color: var(--brand-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 14px;
        }

        .audience-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .audience-card p {
            font-size: 13px;
            line-height: 1.65;
            color: var(--text-weak);
            margin-bottom: 0;
        }

        /* Deep Content Sections */
        .deep-content {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 48px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
        }

        .deep-content h2 {
            font-size: 26px;
            margin-bottom: 20px;
        }

        .deep-content h3 {
            font-size: 19px;
            margin-top: 24px;
            margin-bottom: 12px;
            color: var(--brand-mid);
        }

        .deep-content p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
        }

        .deep-content ul,
        .deep-content ol {
            padding-left: 24px;
            margin-bottom: 16px;
        }

        .deep-content li {
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .deep-content__image {
            border-radius: var(--radius-inner);
            overflow: hidden;
            margin: 24px 0;
            background: #E8EEF2;
        }

        .deep-content__image img {
            width: 100%;
            height: auto;
        }

        .deep-content--alt {
            background: #F8FAFC;
            border-left: 6px solid var(--brand-accent);
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
        }

        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .news-item__thumb {
            flex: 0 0 140px;
            border-radius: var(--radius-inner);
            overflow: hidden;
            background: #E8EEF2;
            min-height: 100px;
        }

        .news-item__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item__body {
            flex: 1;
        }

        .news-item__date {
            font-size: 12px;
            color: var(--text-weak);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .news-item h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .news-item p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 10px;
        }

        .news-item__link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-base);
        }

        .news-item__link:hover {
            color: var(--brand-accent-hover);
            text-decoration: none;
        }

        /* Small Metrics Strip */
        .metrics-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: center;
            align-items: center;
        }

        .metrics-strip__item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.1);
            padding: 16px 24px;
            border-radius: var(--radius-inner);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .metrics-strip__num {
            font-size: 30px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.5px;
        }

        .metrics-strip__label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        /* Brand Intro */
        .brand-intro {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            display: flex;
            gap: 36px;
            align-items: flex-start;
        }

        .brand-intro__icon {
            flex: 0 0 80px;
            width: 80px;
            height: 80px;
            border-radius: 20px;
            background: var(--gradient-brand);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
        }

        .brand-intro__body {
            flex: 1;
        }

        .brand-intro h2 {
            font-size: 24px;
            margin-bottom: 14px;
        }

        .brand-intro p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-inner);
            border: 1px solid var(--border-soft);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-medium);
        }

        .faq-item__header {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            border: none;
            cursor: pointer;
            font-family: inherit;
            text-align: left;
        }

        .faq-item__header h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0;
            color: var(--text-primary);
            flex: 1;
            padding-right: 16px;
        }

        .faq-item__icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #F0F4F7;
            color: var(--brand-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.is-open .faq-item__icon {
            transform: rotate(45deg);
            background: var(--brand-accent);
            color: #FFFFFF;
        }

        .faq-item__body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.is-open .faq-item__body {
            max-height: 300px;
        }

        .faq-item__body p {
            padding: 0 22px 18px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-soft);
        }

        .cta-card {
            background: var(--gradient-brand);
            border-radius: var(--radius-card);
            padding: 56px 48px;
            text-align: center;
            color: #FFFFFF;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -15%;
            width: 300px;
            height: 300px;
            background: rgba(242, 107, 58, 0.15);
            border-radius: 50%;
        }

        .cta-card h2 {
            font-size: 30px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .cta-card p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-card__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 2;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-brand .site-logo {
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-brand .site-logo small {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 16px;
            color: #FFFFFF;
            margin-bottom: 18px;
            font-weight: 600;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
            text-decoration: none;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            h1 {
                font-size: 36px;
            }

            h2 {
                font-size: 26px;
            }

            .hero {
                min-height: auto;
                padding: 56px 0;
            }

            .hero__title {
                font-size: 36px;
            }

            .pain-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .category-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .metrics-banner {
                gap: 24px;
                padding: 28px;
            }

            .metric-item__num {
                font-size: 28px;
            }

            .solution-card {
                flex-direction: column;
                gap: 24px;
                padding: 28px;
            }

            .solution-card__media {
                flex: none;
                width: 100%;
                min-height: 220px;
            }

            .brand-intro {
                flex-direction: column;
                gap: 20px;
                padding: 28px;
            }

            .brand-intro__icon {
                flex: none;
                width: 56px;
                height: 56px;
                font-size: 24px;
                border-radius: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-section-mobile) 0;
            }

            h1 {
                font-size: 30px;
            }

            h2 {
                font-size: 24px;
            }

            .container-custom {
                padding: 0 16px;
            }

            .site-header__top {
                padding: 10px 0;
            }

            .site-logo {
                font-size: 18px;
                gap: 10px;
            }

            .site-logo__icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
                border-radius: 10px;
            }

            .header-cta-btn {
                display: none;
            }

            .hamburger-btn {
                display: flex;
            }

            .site-nav {
                display: none;
            }

            .hero {
                padding: 40px 0;
            }

            .hero__title {
                font-size: 28px;
            }

            .hero__desc {
                font-size: 15px;
                line-height: 1.7;
            }

            .hero__actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero__actions .btn {
                width: 100%;
            }

            .hero__badges {
                gap: 16px;
                flex-wrap: wrap;
            }

            .hero-badge__num {
                font-size: 22px;
            }

            .pain-cards {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .pain-card {
                padding: 20px;
            }

            .category-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }

            .category-card {
                padding: 20px 10px;
            }

            .category-card__icon {
                width: 44px;
                height: 44px;
                font-size: 20px;
                border-radius: 12px;
            }

            .category-card__label {
                font-size: 12px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .metrics-banner {
                flex-direction: column;
                gap: 18px;
                padding: 22px;
                align-items: stretch;
            }

            .metric-item {
                flex-direction: row;
                align-items: baseline;
                justify-content: space-between;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .audience-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .deep-content {
                padding: 24px;
            }

            .deep-content h2 {
                font-size: 22px;
            }

            .news-item {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }

            .news-item__thumb {
                flex: none;
                width: 100%;
                min-height: 160px;
            }

            .cta-card {
                padding: 36px 22px;
            }

            .cta-card h2 {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-beian {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 26px;
            }

            h2 {
                font-size: 22px;
            }

            .site-logo__text small {
                display: none;
            }

            .hero__title {
                font-size: 24px;
            }

            .hero__desc {
                font-size: 14px;
            }

            .category-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }

            .category-card {
                padding: 16px 8px;
            }

            .category-card__icon {
                width: 38px;
                height: 38px;
                font-size: 16px;
                border-radius: 10px;
            }

            .category-card__label {
                font-size: 11px;
            }

            .audience-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .section-title {
                font-size: 22px;
            }

            .section-subtitle {
                font-size: 14px;
            }

            .btn--large {
                padding: 14px 24px;
                font-size: 15px;
            }

            .cta-card__actions {
                flex-direction: column;
                gap: 10px;
            }

            .cta-card__actions .btn {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --brand-deep: #0E3A5D;
            --brand-mid: #166A86;
            --brand-teal: #21A19C;
            --brand-accent: #F26B3A;
            --brand-accent-hover: #D9572A;
            --brand-cyan: #2E8FA3;
            --bg-soft: #F5F7FA;
            --bg-dark: #0B2A40;
            --bg-card: #FFFFFF;
            --text-primary: #142A3A;
            --text-body: #3D5567;
            --text-weak: #6B8295;
            --text-on-dark: #E8F0F5;
            --text-on-accent: #FFFFFF;
            --border-soft: rgba(14, 58, 93, 0.08);
            --border-medium: rgba(14, 58, 93, 0.14);
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-inner: 12px;
            --shadow-card: 0 8px 24px rgba(10, 45, 64, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(10, 45, 64, 0.14);
            --shadow-lg: 0 24px 48px rgba(10, 45, 64, 0.15);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --transition-base: 0.25s ease;
            --gradient-brand: linear-gradient(135deg, #0E3A5D 0%, #166A86 45%, #21A19C 100%);
            --gradient-accent: linear-gradient(135deg, #F26B3A 0%, #F59B6E 100%);
            --gradient-edge: linear-gradient(90deg, #0E3A5D 0%, #166A86 50%, #21A19C 100%);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-soft);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--brand-accent);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--tight {
            padding: 48px 0;
        }

        .section--dark {
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
        }

        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }

        .section--dark p {
            color: rgba(232, 240, 245, 0.82);
        }

        .section--soft {
            background-color: #EDF2F6;
        }

        .section--gradient-bg {
            background: var(--gradient-brand);
            color: #FFFFFF;
        }

        .section--gradient-bg h2,
        .section--gradient-bg h3 {
            color: #FFFFFF;
        }

        .section--gradient-bg p {
            color: rgba(255, 255, 255, 0.88);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-weak);
            margin-bottom: 36px;
            max-width: 720px;
        }

        .section--dark .section-subtitle {
            color: rgba(232, 240, 245, 0.7);
        }

        .section--gradient-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        .btn {
            display: inline-block;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn--primary {
            background-color: var(--brand-accent);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(242, 107, 58, 0.25);
        }

        .btn--primary:hover {
            background-color: var(--brand-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(242, 107, 58, 0.35);
            text-decoration: none;
        }

        .btn--outline {
            background: transparent;
            color: var(--brand-deep);
            border: 2px solid var(--brand-deep);
        }

        .btn--outline:hover {
            background: var(--brand-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--small {
            padding: 10px 18px;
            font-size: 14px;
        }

        .btn--large {
            padding: 16px 36px;
            font-size: 17px;
        }

        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 12px rgba(10, 45, 64, 0.04);
        }

        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
            flex-wrap: wrap;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--brand-deep);
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .site-logo:hover {
            color: var(--brand-deep);
            text-decoration: none;
        }

        .site-logo__icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient-brand);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .site-logo__text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .site-logo__text small {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-weak);
            letter-spacing: 2px;
        }

        .site-nav {
            background: #FFFFFF;
            border-top: 1px solid var(--border-soft);
            padding: 8px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }

        .site-nav__grid {
            display: flex;
            align-items: center;
            gap: 6px;
            min-width: max-content;
            padding: 0 4px;
        }

        .site-nav__item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition-base);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .site-nav__item:hover {
            color: var(--brand-accent);
            background: rgba(242, 107, 58, 0.06);
            text-decoration: none;
        }

        .site-nav__item.is-active {
            background: var(--gradient-brand);
            color: #FFFFFF;
            font-weight: 600;
            box-shadow: 0 6px 16px rgba(14, 58, 93, 0.2);
        }

        .site-nav__item.is-active:hover {
            color: #FFFFFF;
            background: var(--gradient-brand);
        }

        .breadcrumb-nav {
            padding: 20px 0 0;
            font-size: 14px;
            color: var(--text-weak);
        }

        .breadcrumb-nav a {
            color: var(--text-weak);
            text-decoration: none;
        }

        .breadcrumb-nav a:hover {
            color: var(--brand-accent);
        }

        .breadcrumb-nav span {
            margin: 0 8px;
            color: var(--border-medium);
        }

        .breadcrumb-nav .current {
            color: var(--brand-deep);
            font-weight: 600;
        }

        .category-hero {
            background: var(--gradient-brand);
            border-radius: 0 0 32px 32px;
            padding: 56px 0 48px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero h1 {
            color: #FFFFFF;
            font-size: 40px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            position: relative;
            z-index: 1;
        }

        .category-hero p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 17px;
            max-width: 760px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .category-hero__meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            position: relative;
            z-index: 1;
        }

        .category-hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: #FFFFFF;
            backdrop-filter: blur(4px);
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
        }

        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(14, 58, 93, 0.16);
        }

        .article-card__image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: linear-gradient(135deg, #DCE8EF 0%, #B8CFDC 100%);
        }

        .article-card__body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-card__tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-cyan);
            background: rgba(46, 143, 163, 0.1);
            border-radius: var(--radius-btn);
            padding: 4px 12px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .article-card__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .article-card__summary {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .article-card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-soft);
            font-size: 13px;
            color: var(--text-weak);
        }

        .article-card__read {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            transition: all var(--transition-base);
        }

        .article-card__read:hover {
            color: var(--brand-accent-hover);
            gap: 10px;
        }

        .deep-content-block {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
        }

        .deep-content-block h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .deep-content-block h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--brand-deep);
            margin-top: 24px;
            margin-bottom: 10px;
        }

        .deep-content-block p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .deep-content-block ul {
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }

        .deep-content-block ul li {
            padding: 8px 0 8px 28px;
            position: relative;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
        }

        .deep-content-block ul li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--brand-teal);
            font-size: 16px;
        }

        .faq-block {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
        }

        .faq-item {
            border-bottom: 1px solid var(--border-soft);
            padding: 18px 0;
            transition: all var(--transition-base);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-item__question {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            cursor: pointer;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            padding: 0;
            font-family: inherit;
        }

        .faq-item__question h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            flex: 1;
            margin: 0;
            line-height: 1.5;
        }

        .faq-item__icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(46, 143, 163, 0.1);
            color: var(--brand-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition-base);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 0 0 42px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
        }

        .faq-item.is-open .faq-item__answer {
            max-height: 300px;
            padding-top: 12px;
        }

        .faq-item.is-open .faq-item__icon {
            transform: rotate(45deg);
            background: var(--brand-accent);
            color: #FFFFFF;
        }

        .data-badge-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: stretch;
        }

        .data-badge-item {
            background: var(--bg-card);
            border: 1px solid transparent;
            border-radius: var(--radius-card);
            padding: 24px 28px;
            text-align: center;
            flex: 1;
            min-width: 160px;
            position: relative;
            background-clip: padding-box;
            box-shadow: var(--shadow-card);
        }

        .data-badge-item::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-card);
            padding: 2px;
            background: var(--gradient-edge);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .data-badge-item__number {
            font-size: 36px;
            font-weight: 700;
            color: var(--brand-deep);
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .data-badge-item__label {
            font-size: 14px;
            color: var(--text-weak);
            margin-top: 6px;
        }

        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .related-link-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-btn);
            padding: 10px 20px;
            font-size: 14px;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition-base);
        }

        .related-link-item:hover {
            color: var(--brand-accent);
            border-color: rgba(242, 107, 58, 0.3);
            background: rgba(242, 107, 58, 0.04);
            transform: translateY(-2px);
        }

        .cta-band {
            background: var(--gradient-brand);
            border-radius: 24px;
            padding: 48px 40px;
            color: #FFFFFF;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-band::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -5%;
            width: 350px;
            height: 350px;
            background: rgba(255, 255, 255, 0.07);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-band h2 {
            color: #FFFFFF;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-band p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }

        .cta-band .btn {
            position: relative;
            z-index: 1;
            margin: 0 8px;
        }

        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(232, 240, 245, 0.12);
        }

        .footer-brand p {
            color: rgba(232, 240, 245, 0.7);
            font-size: 14px;
            max-width: 320px;
            margin-top: 14px;
            line-height: 1.75;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(232, 240, 245, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            padding: 20px 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(232, 240, 245, 0.55);
        }

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-beian a {
            color: rgba(232, 240, 245, 0.7);
            text-decoration: none;
        }

        .footer-beian a:hover {
            color: #FFFFFF;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .deep-content-block,
            .faq-block {
                padding: 28px 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
                --spacing-section-mobile: 36px;
            }

            .section {
                padding: var(--spacing-section-mobile) 0;
            }

            .category-hero {
                padding: 36px 0 32px;
                border-radius: 0 0 20px 20px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 24px;
            }

            .deep-content-block,
            .faq-block {
                padding: 22px 18px;
            }

            .deep-content-block h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cta-band {
                padding: 32px 20px;
            }

            .cta-band h2 {
                font-size: 22px;
            }

            .data-badge-strip {
                flex-direction: column;
            }

            .data-badge-item {
                min-width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .footer-beian {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 22px;
                line-height: 1.35;
            }

            .category-hero p {
                font-size: 15px;
            }

            .article-card__image {
                height: 160px;
            }

            .article-card__body {
                padding: 16px 18px 18px;
            }

            .article-card__title {
                font-size: 16px;
            }

            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }

            .section-title {
                font-size: 21px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-deep: #0E3A5D;
            --brand-mid: #166A86;
            --brand-teal: #21A19C;
            --brand-accent: #F26B3A;
            --brand-accent-hover: #D9572A;
            --brand-cyan: #2E8FA3;
            --bg-soft: #F5F7FA;
            --bg-dark: #0B2A40;
            --bg-card: #FFFFFF;
            --text-primary: #142A3A;
            --text-body: #3D5567;
            --text-weak: #6B8295;
            --text-on-dark: #E8F0F5;
            --text-on-accent: #FFFFFF;
            --border-soft: rgba(14, 58, 93, 0.08);
            --border-medium: rgba(14, 58, 93, 0.14);
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-inner: 12px;
            --shadow-card: 0 8px 24px rgba(10, 45, 64, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(10, 45, 64, 0.14);
            --shadow-lg: 0 24px 48px rgba(10, 45, 64, 0.15);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --transition-base: 0.25s ease;
            --gradient-brand: linear-gradient(135deg, #0E3A5D 0%, #166A86 45%, #21A19C 100%);
            --gradient-accent: linear-gradient(135deg, #F26B3A 0%, #F59B6E 100%);
            --gradient-edge: linear-gradient(90deg, #0E3A5D 0%, #166A86 50%, #21A19C 100%);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-soft);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--brand-accent);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--tight {
            padding: 48px 0;
        }

        .section--dark {
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
        }

        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }

        .section--dark p {
            color: rgba(232, 240, 245, 0.82);
        }

        .section--soft {
            background-color: #EDF2F6;
        }

        .section--gradient-bg {
            background: var(--gradient-brand);
            color: #FFFFFF;
        }

        .section--gradient-bg h2,
        .section--gradient-bg h3 {
            color: #FFFFFF;
        }

        .section--gradient-bg p {
            color: rgba(255, 255, 255, 0.88);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-weak);
            margin-bottom: 36px;
            max-width: 720px;
            line-height: 1.8;
        }

        .section--dark .section-subtitle {
            color: rgba(232, 240, 245, 0.7);
        }

        .section--gradient-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        .btn {
            display: inline-block;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn--primary {
            background-color: var(--brand-accent);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(242, 107, 58, 0.25);
        }

        .btn--primary:hover {
            background-color: var(--brand-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(242, 107, 58, 0.35);
            text-decoration: none;
        }

        .btn--outline {
            background: transparent;
            color: var(--brand-deep);
            border: 2px solid var(--brand-deep);
        }

        .btn--outline:hover {
            background: var(--brand-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--small {
            padding: 10px 18px;
            font-size: 14px;
        }

        .btn--large {
            padding: 16px 36px;
            font-size: 17px;
        }

        /* Header / Nav */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            box-shadow: 0 2px 12px rgba(10, 45, 64, 0.04);
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 20px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .site-logo__icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 20px;
        }

        .site-logo__text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .site-logo__text small {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-weak);
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-soft);
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 10px 18px;
            min-width: 240px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .header-search:hover,
        .header-search:focus-within {
            border-color: var(--brand-cyan);
            box-shadow: 0 0 0 4px rgba(46, 143, 163, 0.08);
        }

        .header-search i {
            color: var(--text-weak);
            font-size: 15px;
        }

        .header-search input {
            border: none;
            background: transparent;
            font-family: var(--font-family);
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            width: 100%;
            padding: 0;
        }

        .header-search input::placeholder {
            color: var(--text-weak);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-actions .btn {
            padding: 10px 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 2px solid var(--brand-deep);
            border-radius: 10px;
            color: var(--brand-deep);
            font-size: 18px;
            padding: 8px 12px;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .nav-toggle:hover {
            background: var(--brand-deep);
            color: #FFFFFF;
        }

        .site-nav {
            background: #FFFFFF;
            border-top: 1px solid var(--border-soft);
            padding: 8px 0;
        }

        .site-nav__grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-medium) transparent;
        }

        .site-nav__grid::-webkit-scrollbar {
            height: 4px;
        }

        .site-nav__grid::-webkit-scrollbar-thumb {
            background: var(--border-medium);
            border-radius: 4px;
        }

        .site-nav__item {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 10px 16px;
            border-radius: 12px;
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-base);
            text-decoration: none;
            flex-shrink: 0;
        }

        .site-nav__item i {
            font-size: 16px;
            color: var(--text-weak);
            transition: color var(--transition-base);
        }

        .site-nav__item:hover {
            background: #EDF2F6;
            color: var(--brand-deep);
        }

        .site-nav__item:hover i {
            color: var(--brand-cyan);
        }

        .site-nav__item.is-active {
            background: var(--gradient-brand);
            color: #FFFFFF;
            box-shadow: 0 6px 16px rgba(14, 58, 93, 0.2);
        }

        .site-nav__item.is-active i {
            color: #FFFFFF;
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 16px 0;
            font-size: 14px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-weak);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--brand-accent);
        }

        .breadcrumb .separator {
            color: var(--border-medium);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--brand-deep);
            font-weight: 600;
        }

        /* Category Hero */
        .cat-hero {
            background: var(--gradient-brand);
            border-radius: 20px;
            padding: 44px 40px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            margin-bottom: 48px;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(242, 107, 58, 0.15);
            pointer-events: none;
        }

        .cat-hero__content {
            position: relative;
            z-index: 1;
        }

        .cat-hero h1 {
            font-size: 38px;
            font-weight: 700;
            margin: 0 0 14px;
            color: #FFFFFF;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .cat-hero__desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin: 0;
            line-height: 1.9;
        }

        .cat-hero__update {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            background: rgba(255, 255, 255, 0.15);
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: #FFFFFF;
            backdrop-filter: blur(8px);
        }

        .cat-hero__update i {
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        /* Cards Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }

        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--border-medium);
        }

        .stat-card__media {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .stat-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .stat-card:hover .stat-card__media img {
            transform: scale(1.04);
        }

        .stat-card__badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(14, 58, 93, 0.88);
            color: #FFFFFF;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            backdrop-filter: blur(6px);
        }

        .stat-card__body {
            padding: 24px 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .stat-card__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .stat-card__summary {
            font-size: 14px;
            color: var(--text-body);
            margin: 0 0 16px;
            line-height: 1.75;
            flex: 1;
        }

        .stat-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid var(--border-soft);
            font-size: 13px;
            color: var(--text-weak);
        }

        .stat-card__meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .stat-card__link {
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition-base);
        }

        .stat-card__link i {
            font-size: 12px;
            transition: transform var(--transition-base);
        }

        .stat-card__link:hover {
            color: var(--brand-accent-hover);
        }

        .stat-card__link:hover i {
            transform: translateX(4px);
        }

        /* Data badge strip */
        .data-badge-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            padding: 32px 0;
        }

        .data-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            padding: 16px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            min-width: 160px;
        }

        .data-badge:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-cyan);
        }

        .data-badge__icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }

        .data-badge__num {
            font-size: 26px;
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1.2;
        }

        .data-badge__label {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.3;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: 14px;
            border: 1px solid var(--border-soft);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-medium);
        }

        .faq-item__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            text-align: left;
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: background var(--transition-base);
        }

        .faq-item__question:hover {
            background: #F8FAFB;
        }

        .faq-item__question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--brand-cyan);
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .faq-item__question.is-open .faq-icon {
            background: var(--brand-accent);
            color: #FFFFFF;
            transform: rotate(45deg);
        }

        .faq-item__answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.9;
        }

        .faq-item__answer.is-visible {
            display: block;
            animation: fadeIn 0.25s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-6px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Related articles */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 18px;
        }

        .related-item {
            background: var(--bg-card);
            border-radius: 14px;
            border: 1px solid var(--border-soft);
            padding: 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition-base);
            text-decoration: none;
            color: var(--text-body);
        }

        .related-item:hover {
            border-color: var(--brand-cyan);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
            color: var(--text-body);
        }

        .related-item__icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-cyan);
            font-size: 16px;
            flex-shrink: 0;
        }

        .related-item__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .related-item__desc {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* CTA */
        .cta-card {
            background: var(--gradient-brand);
            border-radius: 20px;
            padding: 48px 40px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -5%;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.07);
            pointer-events: none;
        }

        .cta-card__title {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
            color: #FFFFFF;
            line-height: 1.35;
            position: relative;
            z-index: 1;
        }

        .cta-card__desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 24px;
            max-width: 560px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .cta-card__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #FFFFFF;
            padding: 64px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.8;
            margin: 16px 0 0;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--brand-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }

        .footer-beian {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-beian a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-beian a:hover {
            color: var(--brand-accent);
        }

        /* Mobile */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
                --spacing-section-mobile: 40px;
            }

            .header-top {
                flex-wrap: wrap;
                gap: 12px;
            }

            .header-search {
                order: 3;
                min-width: 100%;
            }

            .nav-toggle {
                display: block;
            }

            .site-nav {
                display: none;
                padding: 12px 0;
            }

            .site-nav.is-open {
                display: block;
            }

            .site-nav__grid {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                overflow-x: visible;
            }

            .site-nav__item {
                padding: 12px 16px;
            }

            .cat-hero {
                padding: 32px 24px;
                border-radius: 16px;
                margin-bottom: 32px;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

            .section-title {
                font-size: 24px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .stat-card__media {
                height: 160px;
            }

            .data-badge-strip {
                gap: 10px;
                justify-content: flex-start;
            }

            .data-badge {
                padding: 14px 18px;
                min-width: 130px;
                flex: 1;
            }

            .data-badge__num {
                font-size: 22px;
            }

            .cta-card {
                padding: 32px 24px;
                border-radius: 16px;
            }

            .cta-card__title {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .section {
                padding: var(--spacing-section-mobile) 0;
            }

            .section-title {
                font-size: 21px;
            }

            .section-subtitle {
                font-size: 15px;
                margin-bottom: 24px;
            }

            .cat-hero {
                padding: 24px 18px;
                border-radius: 14px;
            }

            .cat-hero h1 {
                font-size: 24px;
            }

            .cat-hero__desc {
                font-size: 14px;
            }

            .stat-card__body {
                padding: 18px 18px 16px;
            }

            .stat-card__title {
                font-size: 16px;
            }

            .btn {
                padding: 12px 22px;
                font-size: 14px;
            }

            .faq-item__question {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-item__answer {
                padding: 0 18px 16px;
                font-size: 14px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --brand-deep: #0E3A5D;
            --brand-mid: #166A86;
            --brand-teal: #21A19C;
            --brand-accent: #F26B3A;
            --brand-accent-hover: #D9572A;
            --brand-cyan: #2E8FA3;
            --bg-soft: #F5F7FA;
            --bg-dark: #0B2A40;
            --bg-card: #FFFFFF;
            --text-primary: #142A3A;
            --text-body: #3D5567;
            --text-weak: #6B8295;
            --text-on-dark: #E8F0F5;
            --text-on-accent: #FFFFFF;
            --border-soft: rgba(14, 58, 93, 0.08);
            --border-medium: rgba(14, 58, 93, 0.14);
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-inner: 12px;
            --shadow-card: 0 8px 24px rgba(10, 45, 64, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(10, 45, 64, 0.14);
            --shadow-lg: 0 24px 48px rgba(10, 45, 64, 0.15);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --transition-base: 0.25s ease;
            --gradient-brand: linear-gradient(135deg, #0E3A5D 0%, #166A86 45%, #21A19C 100%);
            --gradient-accent: linear-gradient(135deg, #F26B3A 0%, #F59B6E 100%);
            --gradient-edge: linear-gradient(90deg, #0E3A5D 0%, #166A86 50%, #21A19C 100%);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-soft);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--brand-accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-family);
            color: var(--text-primary);
            line-height: 1.35;
            margin-top: 0;
        }
        h1 {
            font-size: 40px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 14px;
        }
        h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        p {
            margin: 0 0 16px;
        }
        ul,
        ol {
            padding-left: 20px;
            margin: 0 0 16px;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 72px 0;
        }
        .section--tight {
            padding: 40px 0;
        }
        .section--soft {
            background-color: #EDF2F6;
        }
        .section--dark {
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }
        .section--dark p {
            color: rgba(232, 240, 245, 0.82);
        }
        .section--gradient-bg {
            background: var(--gradient-brand);
            color: #FFFFFF;
        }
        .section--gradient-bg h2,
        .section--gradient-bg h3 {
            color: #FFFFFF;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin-bottom: 32px;
            max-width: 720px;
            line-height: 1.7;
        }
        .section--dark .section-subtitle {
            color: rgba(232, 240, 245, 0.7);
        }
        .section--gradient-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
            background: none;
        }
        .btn--primary {
            background-color: var(--brand-accent);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(242, 107, 58, 0.25);
        }
        .btn--primary:hover {
            background-color: var(--brand-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(242, 107, 58, 0.35);
            text-decoration: none;
        }
        .btn--outline {
            background: transparent;
            color: var(--brand-deep);
            border: 2px solid var(--brand-deep);
        }
        .btn--outline:hover {
            background: var(--brand-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }
        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn--small {
            padding: 9px 16px;
            font-size: 13px;
        }
        .btn--large {
            padding: 16px 36px;
            font-size: 16px;
        }
        .btn--link {
            color: var(--brand-accent);
            font-weight: 600;
            padding: 0;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn--link:hover {
            color: var(--brand-accent-hover);
            text-decoration: underline;
        }

        /* Header */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(10, 45, 64, 0.06);
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--brand-deep);
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--brand-deep);
        }
        .site-logo__icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 20px;
            flex-shrink: 0;
        }
        .site-logo__text small {
            display: block;
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 1.2px;
            color: var(--text-weak);
            line-height: 1.2;
        }
        .site-header__search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-soft);
            border-radius: 999px;
            padding: 8px 16px;
            border: 1px solid var(--border-soft);
            min-width: 200px;
            cursor: pointer;
            color: var(--text-weak);
            transition: all var(--transition-base);
        }
        .site-header__search:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
        }
        .site-header__search input {
            border: none;
            background: transparent;
            font-family: inherit;
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            flex: 1;
            min-width: 0;
            cursor: pointer;
        }
        .site-header__search input::placeholder {
            color: var(--text-weak);
        }
        .site-header__search i {
            font-size: 14px;
            flex-shrink: 0;
        }

        /* Nav */
        .site-nav {
            border-top: 1px solid var(--border-soft);
            background: #FFFFFF;
        }
        .site-nav__grid {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding: 8px 0;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-cyan) transparent;
        }
        .site-nav__grid::-webkit-scrollbar {
            height: 4px;
        }
        .site-nav__grid::-webkit-scrollbar-thumb {
            background: var(--brand-cyan);
            border-radius: 4px;
        }
        .site-nav__item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            white-space: nowrap;
            transition: all var(--transition-base);
            flex-shrink: 0;
            min-width: 88px;
            justify-content: center;
            background: transparent;
        }
        .site-nav__item:hover {
            background: rgba(46, 143, 163, 0.08);
            color: var(--brand-cyan);
        }
        .site-nav__item.is-active {
            background: var(--brand-deep);
            color: #FFFFFF;
            font-weight: 600;
        }
        .site-nav__item.is-active i {
            color: #FFFFFF;
        }
        .site-nav__item i {
            font-size: 15px;
            color: var(--brand-cyan);
            transition: color var(--transition-base);
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 18px 0 8px;
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-weak);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--brand-accent);
        }
        .breadcrumb .sep {
            font-size: 11px;
            color: var(--text-weak);
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Category Hero - compact variant */
        .cat-hero {
            padding: 48px 0 40px;
            position: relative;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: var(--gradient-brand);
            opacity: 0.04;
            border-radius: 40px 0 0 40px;
            z-index: 0;
        }
        .cat-hero__content {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 48px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .cat-hero__main {
            flex: 1;
            min-width: 280px;
        }
        .cat-hero__image {
            flex: 0 0 340px;
            max-width: 340px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .cat-hero__image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        .cat-hero__title {
            font-size: 34px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .cat-hero__desc {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            max-width: 600px;
            margin-bottom: 18px;
        }
        .cat-hero__checks {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            margin-bottom: 22px;
            padding: 0;
            list-style: none;
        }
        .cat-hero__checks li {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: var(--bg-soft);
            border-radius: 999px;
            border: 1px solid var(--border-soft);
        }
        .cat-hero__checks li i {
            color: var(--brand-teal);
            font-size: 14px;
        }
        .cat-hero__cta {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--brand-cyan);
        }
        .card__image {
            position: relative;
            height: 180px;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card__image img {
            transform: scale(1.04);
        }
        .card__badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: #FFFFFF;
            background: var(--brand-accent);
            letter-spacing: 0.3px;
        }
        .card__body {
            padding: 20px 22px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card__title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card__excerpt {
            font-size: 13.5px;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }
        .card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-weak);
            padding-top: 12px;
            border-top: 1px solid var(--border-soft);
            gap: 8px;
            flex-wrap: wrap;
        }
        .card__meta-tag {
            background: rgba(46, 143, 163, 0.1);
            color: var(--brand-cyan);
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 11px;
        }
        .card__meta-date {
            font-size: 11px;
            white-space: nowrap;
        }
        .card__link {
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card__link:hover {
            color: var(--brand-accent-hover);
            text-decoration: underline;
        }
        .card__link i {
            font-size: 11px;
            transition: transform var(--transition-base);
        }
        .card__link:hover i {
            transform: translateX(3px);
        }

        /* Data badges */
        .data-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        .data-badge {
            flex: 1;
            min-width: 160px;
            max-width: 220px;
            padding: 28px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            text-align: center;
            border: 1px solid transparent;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .data-badge::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-edge);
        }
        .data-badge__number {
            font-size: 38px;
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1.2;
            display: block;
            letter-spacing: -1px;
        }
        .data-badge__label {
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 500;
            margin-top: 6px;
            display: block;
        }

        /* Deep content */
        .deep-content {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 36px 40px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
        }
        .deep-content h2 {
            font-size: 24px;
            margin-bottom: 16px;
        }
        .deep-content h3 {
            font-size: 18px;
            margin-top: 22px;
            margin-bottom: 10px;
            color: var(--brand-deep);
        }
        .deep-content p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
        }
        .deep-content ul {
            list-style: none;
            padding-left: 0;
        }
        .deep-content ul li {
            position: relative;
            padding-left: 22px;
            font-size: 14.5px;
            line-height: 1.75;
            color: var(--text-body);
            margin-bottom: 8px;
        }
        .deep-content ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--brand-teal);
            font-weight: 700;
            font-size: 14px;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--brand-cyan);
        }
        .faq-item__header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            gap: 12px;
            user-select: none;
            transition: background var(--transition-base);
        }
        .faq-item__header:hover {
            background: rgba(46, 143, 163, 0.05);
        }
        .faq-item__header h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0;
            color: var(--text-primary);
        }
        .faq-item__icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(46, 143, 163, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-cyan);
            font-size: 13px;
            transition: all var(--transition-base);
        }
        .faq-item.is-open .faq-item__icon {
            background: var(--brand-accent);
            color: #FFFFFF;
            transform: rotate(45deg);
        }
        .faq-item__content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
        }
        .faq-item.is-open .faq-item__content {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        .faq-item__content p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-body);
            margin: 0;
            padding-top: 4px;
        }

        /* Related articles */
        .related-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
            gap: 16px;
        }
        .related-item {
            background: #FFFFFF;
            border-radius: var(--radius-inner);
            padding: 20px 22px;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            display: block;
            text-decoration: none;
        }
        .related-item:hover {
            border-color: var(--brand-cyan);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .related-item__title {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .related-item:hover .related-item__title {
            color: var(--brand-accent);
        }
        .related-item__desc {
            font-size: 12.5px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* CTA */
        .cta-bar {
            background: var(--gradient-brand);
            border-radius: 24px;
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            color: #FFFFFF;
            box-shadow: var(--shadow-lg);
        }
        .cta-bar__text {
            flex: 1;
            min-width: 240px;
        }
        .cta-bar__text h2 {
            color: #FFFFFF;
            font-size: 22px;
            margin-bottom: 8px;
        }
        .cta-bar__text p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            margin: 0;
        }
        .cta-bar__actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 20px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: rgba(232, 240, 245, 0.7);
            margin-top: 12px;
            line-height: 1.7;
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(232, 240, 245, 0.72);
            font-size: 13.5px;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(232, 240, 245, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(232, 240, 245, 0.7);
        }
        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 12px;
            color: rgba(232, 240, 245, 0.55);
        }
        .footer-beian a {
            color: rgba(232, 240, 245, 0.6);
            font-size: 12px;
        }
        .footer-beian a:hover {
            color: #FFFFFF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cat-hero__content {
                gap: 28px;
            }
            .cat-hero__image {
                flex-basis: 260px;
                max-width: 260px;
            }
            .cat-hero__image img {
                height: 200px;
            }
            .section {
                padding: 56px 0;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 23px;
            }
            .section-title {
                font-size: 23px;
            }
            .section {
                padding: 48px 0;
            }
            .cat-hero {
                padding: 32px 0 28px;
            }
            .cat-hero__content {
                flex-direction: column;
            }
            .cat-hero__image {
                flex-basis: auto;
                max-width: 100%;
                width: 100%;
                order: -1;
            }
            .cat-hero__image img {
                height: 180px;
            }
            .cat-hero__title {
                font-size: 26px;
            }
            .cat-hero__checks {
                gap: 8px 12px;
            }
            .cat-hero__checks li {
                font-size: 12px;
                padding: 4px 10px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .deep-content {
                padding: 24px 20px;
            }
            .cta-bar {
                padding: 28px 22px;
                flex-direction: column;
                text-align: center;
            }
            .cta-bar__actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-beian {
                justify-content: center;
            }
            .data-badge {
                min-width: 130px;
                max-width: 100%;
                padding: 20px 14px;
            }
            .data-badge__number {
                font-size: 28px;
            }
            .site-header__inner {
                flex-wrap: wrap;
            }
            .site-header__search {
                min-width: 140px;
                flex: 1;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .section {
                padding: 36px 0;
            }
            .cat-hero__image img {
                height: 150px;
            }
            .cat-hero__title {
                font-size: 23px;
            }
            .cards-grid {
                gap: 16px;
            }
            .card__body {
                padding: 16px 16px 14px;
            }
            .card__title {
                font-size: 15px;
            }
            .deep-content {
                padding: 20px 16px;
            }
            .data-badge-row {
                gap: 10px;
            }
            .data-badge {
                min-width: 100px;
                padding: 16px 10px;
            }
            .data-badge__number {
                font-size: 24px;
            }
            .related-list {
                grid-template-columns: 1fr;
            }
            .site-nav__item {
                padding: 8px 12px;
                min-width: 76px;
                font-size: 12px;
                gap: 4px;
            }
            .site-nav__item i {
                font-size: 13px;
            }
            .btn--large {
                padding: 13px 24px;
                font-size: 14px;
            }
            .faq-item__header {
                padding: 16px 16px;
            }
            .faq-item__content {
                padding: 0 16px;
            }
            .faq-item.is-open .faq-item__content {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --brand-deep: #0E3A5D;
            --brand-mid: #166A86;
            --brand-teal: #21A19C;
            --brand-accent: #F26B3A;
            --brand-accent-hover: #D9572A;
            --brand-cyan: #2E8FA3;
            --bg-soft: #F5F7FA;
            --bg-dark: #0B2A40;
            --bg-card: #FFFFFF;
            --text-primary: #142A3A;
            --text-body: #3D5567;
            --text-weak: #6B8295;
            --text-on-dark: #E8F0F5;
            --text-on-accent: #FFFFFF;
            --border-soft: rgba(14, 58, 93, 0.08);
            --border-medium: rgba(14, 58, 93, 0.14);
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-inner: 12px;
            --shadow-card: 0 8px 24px rgba(10, 45, 64, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(10, 45, 64, 0.14);
            --shadow-lg: 0 24px 48px rgba(10, 45, 64, 0.15);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --transition-base: 0.25s ease;
            --gradient-brand: linear-gradient(135deg, #0E3A5D 0%, #166A86 45%, #21A19C 100%);
            --gradient-accent: linear-gradient(135deg, #F26B3A 0%, #F59B6E 100%);
            --gradient-edge: linear-gradient(90deg, #0E3A5D 0%, #166A86 50%, #21A19C 100%);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-soft);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--brand-accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--spacing-section) 0;
        }
        .section--tight {
            padding: 48px 0;
        }
        .section--dark {
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }
        .section--dark p {
            color: rgba(232, 240, 245, 0.82);
        }
        .section--soft {
            background-color: #EDF2F6;
        }
        .section--gradient-bg {
            background: var(--gradient-brand);
            color: #FFFFFF;
        }
        .section--gradient-bg h2,
        .section--gradient-bg h3 {
            color: #FFFFFF;
        }
        .section--gradient-bg p {
            color: rgba(255, 255, 255, 0.88);
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-weak);
            margin-bottom: 36px;
            max-width: 720px;
        }
        .section--dark .section-subtitle {
            color: rgba(232, 240, 245, 0.7);
        }
        .section--gradient-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }
        .btn {
            display: inline-block;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }
        .btn--primary {
            background-color: var(--brand-accent);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(242, 107, 58, 0.25);
        }
        .btn--primary:hover {
            background-color: var(--brand-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(242, 107, 58, 0.35);
            text-decoration: none;
        }
        .btn--outline {
            background: transparent;
            color: var(--brand-deep);
            border: 2px solid var(--brand-deep);
        }
        .btn--outline:hover {
            background: var(--brand-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }
        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn--small {
            padding: 10px 18px;
            font-size: 14px;
        }
        .btn--large {
            padding: 16px 36px;
            font-size: 17px;
        }
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(10, 45, 64, 0.05);
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 20px;
            flex-wrap: wrap;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--brand-deep);
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--brand-deep);
            text-decoration: none;
        }
        .site-logo__icon {
            width: 42px;
            height: 42px;
            background: var(--gradient-brand);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 20px;
            flex-shrink: 0;
        }
        .site-logo__text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }
        .site-logo__text small {
            font-size: 11px;
            font-weight: 400;
            letter-spacing: 1.5px;
            color: var(--text-weak);
        }
        .site-nav {
            background: #FFFFFF;
            border-bottom: 2px solid var(--border-soft);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .site-nav__grid {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 0;
            min-width: max-content;
        }
        .site-nav__item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition-base);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .site-nav__item:hover {
            background: rgba(46, 143, 163, 0.08);
            color: var(--brand-cyan);
            text-decoration: none;
            border-color: rgba(46, 143, 163, 0.15);
        }
        .site-nav__item.is-active {
            background: var(--gradient-brand);
            color: #FFFFFF;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(14, 58, 93, 0.2);
        }
        .site-nav__item.is-active:hover {
            color: #FFFFFF;
            background: var(--gradient-brand);
        }
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
        }
        .breadcrumb-bar__inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            flex-wrap: wrap;
        }
        .breadcrumb-bar__inner a {
            color: var(--text-weak);
            text-decoration: none;
        }
        .breadcrumb-bar__inner a:hover {
            color: var(--brand-accent);
        }
        .breadcrumb-bar__inner .separator {
            color: var(--border-medium);
        }
        .breadcrumb-bar__inner .current {
            color: var(--text-primary);
            font-weight: 600;
        }
        .page-hero {
            padding: 64px 0 48px;
            background: var(--gradient-brand);
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero__content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .page-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .page-hero__badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .card-grid--3 {
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        }
        .card-grid--2 {
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            border: 1px solid var(--border-soft);
            display: flex;
            flex-direction: column;
        }
        .sport-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(46, 143, 163, 0.2);
        }
        .sport-card__image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .sport-card__body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .sport-card__tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(46, 143, 163, 0.1);
            color: var(--brand-cyan);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .sport-card__title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .sport-card__summary {
            font-size: 15px;
            color: var(--text-body);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.7;
        }
        .sport-card__meta {
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 14px;
        }
        .sport-card__link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-base);
        }
        .sport-card__link:hover {
            color: var(--brand-accent-hover);
            gap: 10px;
            text-decoration: none;
        }
        .depth-block {
            background: var(--bg-card);
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
        }
        .depth-block h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .depth-block p {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .depth-block ul,
        .depth-block ol {
            padding-left: 24px;
            margin-bottom: 16px;
            color: var(--text-body);
        }
        .depth-block li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: 14px;
            border: 1px solid var(--border-soft);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item.is-open {
            border-color: rgba(46, 143, 163, 0.3);
            box-shadow: var(--shadow-card);
        }
        .faq-item__header {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 16px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            transition: background var(--transition-base);
        }
        .faq-item__header:hover {
            background: rgba(46, 143, 163, 0.05);
        }
        .faq-item__question {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            flex: 1;
        }
        .faq-item__icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(46, 143, 163, 0.1);
            color: var(--brand-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.is-open .faq-item__icon {
            transform: rotate(45deg);
            background: var(--brand-accent);
            color: #FFFFFF;
        }
        .faq-item__answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            display: none;
        }
        .faq-item.is-open .faq-item__answer {
            display: block;
        }
        .stat-badge-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 20px 0;
        }
        .stat-badge {
            text-align: center;
            padding: 20px 28px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            min-width: 140px;
            transition: all var(--transition-base);
        }
        .stat-badge:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
        }
        .stat-badge__number {
            font-size: 36px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-badge__label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
        }
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .news-item {
            background: var(--bg-card);
            border-radius: 14px;
            padding: 24px;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-card);
            border-color: rgba(46, 143, 163, 0.2);
            transform: translateX(4px);
        }
        .news-item__date {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-accent);
            white-space: nowrap;
            padding-top: 2px;
            min-width: 80px;
        }
        .news-item__content {
            flex: 1;
        }
        .news-item__title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-item__summary {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 10px;
            line-height: 1.7;
        }
        .news-item__link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-item__link:hover {
            color: var(--brand-accent-hover);
            text-decoration: none;
        }
        .cta-card {
            background: var(--gradient-brand);
            border-radius: 24px;
            padding: 56px 48px;
            text-align: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 500px;
            height: 500px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -10%;
            width: 350px;
            height: 350px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card__content {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-card h2 {
            font-size: 30px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .cta-card p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(232, 240, 245, 0.7);
            margin-top: 12px;
            max-width: 300px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(232, 240, 245, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            align-items: center;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(232, 240, 245, 0.6);
        }
        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            font-size: 13px;
            color: rgba(232, 240, 245, 0.6);
        }
        .footer-beian span,
        .footer-beian a {
            color: rgba(232, 240, 245, 0.6);
            text-decoration: none;
        }
        .footer-beian a:hover {
            color: var(--brand-accent);
        }
        .depth-block--alt {
            background: #EDF2F6;
            border-left: 4px solid var(--brand-teal);
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        .tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(46, 143, 163, 0.08);
            color: var(--brand-cyan);
            transition: all var(--transition-base);
        }
        .tag:hover {
            background: var(--brand-cyan);
            color: #FFFFFF;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .depth-block {
                padding: 28px;
            }
            .cta-card {
                padding: 40px 28px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
            }
            .site-header__inner {
                padding: 12px 0;
                gap: 12px;
            }
            .site-logo {
                font-size: 18px;
            }
            .site-logo__icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
                border-radius: 10px;
            }
            .site-logo__text small {
                font-size: 10px;
            }
            .site-nav__grid {
                gap: 4px;
                padding: 8px 0;
            }
            .site-nav__item {
                padding: 8px 14px;
                font-size: 13px;
                gap: 6px;
            }
            .page-hero {
                padding: 44px 0 36px;
            }
            .page-hero h1 {
                font-size: 27px;
                margin-bottom: 12px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .page-hero__badge {
                font-size: 12px;
                padding: 4px 12px;
            }
            .section-title {
                font-size: 24px;
                margin-bottom: 10px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 24px;
            }
            .card-grid,
            .card-grid--3,
            .card-grid--2 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .sport-card__image {
                height: 180px;
            }
            .sport-card__body {
                padding: 18px;
            }
            .sport-card__title {
                font-size: 18px;
            }
            .depth-block {
                padding: 20px;
                border-radius: 16px;
            }
            .depth-block h3 {
                font-size: 19px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 18px;
            }
            .news-item__date {
                min-width: auto;
            }
            .stat-badge-row {
                gap: 16px;
            }
            .stat-badge {
                padding: 14px 18px;
                min-width: 100px;
            }
            .stat-badge__number {
                font-size: 26px;
            }
            .stat-badge__label {
                font-size: 12px;
            }
            .cta-card {
                padding: 32px 20px;
                border-radius: 18px;
            }
            .cta-card h2 {
                font-size: 21px;
            }
            .cta-card p {
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-beian {
                flex-direction: column;
                gap: 6px;
            }
            .breadcrumb-bar__inner {
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --spacing-section: 40px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .site-logo {
                font-size: 16px;
                gap: 8px;
            }
            .site-logo__icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .site-logo__text small {
                font-size: 9px;
                letter-spacing: 1px;
            }
            .site-nav__item {
                padding: 6px 10px;
                font-size: 12px;
                gap: 4px;
            }
            .page-hero {
                padding: 32px 0 28px;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .page-hero p {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .sport-card__image {
                height: 150px;
            }
            .depth-block {
                padding: 16px;
                border-radius: 14px;
            }
            .depth-block h3 {
                font-size: 17px;
            }
            .faq-item__header {
                padding: 14px 16px;
            }
            .faq-item__answer {
                padding: 0 16px 16px;
                font-size: 14px;
            }
            .cta-card h2 {
                font-size: 19px;
            }
        }

/* roulang page: category5 */
:root {
            --brand-deep: #0E3A5D;
            --brand-mid: #166A86;
            --brand-teal: #21A19C;
            --brand-accent: #F26B3A;
            --brand-accent-hover: #D9572A;
            --brand-cyan: #2E8FA3;
            --bg-soft: #F5F7FA;
            --bg-dark: #0B2A40;
            --bg-card: #FFFFFF;
            --text-primary: #142A3A;
            --text-body: #3D5567;
            --text-weak: #6B8295;
            --text-on-dark: #E8F0F5;
            --text-on-accent: #FFFFFF;
            --border-soft: rgba(14, 58, 93, 0.08);
            --border-medium: rgba(14, 58, 93, 0.14);
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-inner: 12px;
            --shadow-card: 0 8px 24px rgba(10, 45, 64, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(10, 45, 64, 0.14);
            --shadow-lg: 0 24px 48px rgba(10, 45, 64, 0.15);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --transition-base: 0.25s ease;
            --gradient-brand: linear-gradient(135deg, #0E3A5D 0%, #166A86 45%, #21A19C 100%);
            --gradient-accent: linear-gradient(135deg, #F26B3A 0%, #F59B6E 100%);
            --gradient-edge: linear-gradient(90deg, #0E3A5D 0%, #166A86 50%, #21A19C 100%);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-soft);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--brand-accent);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--tight {
            padding: 48px 0;
        }

        .section--soft {
            background-color: #EDF2F6;
        }

        .section--dark {
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
        }

        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }

        .section--dark p {
            color: rgba(232, 240, 245, 0.82);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-weak);
            margin-bottom: 36px;
            max-width: 720px;
            line-height: 1.75;
        }

        .section--dark .section-subtitle {
            color: rgba(232, 240, 245, 0.7);
        }

        .btn {
            display: inline-block;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn--primary {
            background-color: var(--brand-accent);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(242, 107, 58, 0.25);
        }

        .btn--primary:hover {
            background-color: var(--brand-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(242, 107, 58, 0.35);
            text-decoration: none;
        }

        .btn--outline {
            background: transparent;
            color: var(--brand-deep);
            border: 2px solid var(--brand-deep);
        }

        .btn--outline:hover {
            background: var(--brand-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--small {
            padding: 10px 18px;
            font-size: 14px;
        }

        .btn--large {
            padding: 16px 36px;
            font-size: 17px;
        }

        /* Header */
        .site-header {
            background: #FFFFFF;
            box-shadow: 0 2px 16px rgba(10, 45, 64, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header__top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-soft);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .site-logo__icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            flex-shrink: 0;
        }

        .site-logo__text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .site-logo__text small {
            display: block;
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 2px;
            color: var(--text-weak);
        }

        .site-nav {
            padding: 10px 0;
        }

        .site-nav__grid {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .site-nav__item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .site-nav__item i {
            font-size: 15px;
        }

        .site-nav__item:hover {
            background: rgba(46, 143, 163, 0.1);
            color: var(--brand-deep);
        }

        .site-nav__item.is-active {
            background: var(--gradient-brand);
            color: #FFFFFF;
            box-shadow: 0 6px 16px rgba(14, 58, 93, 0.22);
        }

        .site-nav__item.is-active:hover {
            color: #FFFFFF;
            background: var(--gradient-brand);
        }

        @media (max-width: 768px) {
            .site-nav__grid {
                flex-wrap: nowrap;
                overflow-x: auto;
                scrollbar-width: thin;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }
            .site-nav__item {
                flex-shrink: 0;
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 20px 0;
            background: transparent;
            font-size: 14px;
            color: var(--text-weak);
        }

        .breadcrumb a {
            color: var(--text-weak);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--brand-accent);
        }

        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--text-weak);
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Hero section for category */
        .category-hero {
            background: var(--gradient-brand);
            color: #FFFFFF;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 60%;
            height: 180%;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .category-hero__content {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }

        .category-hero h1 {
            font-size: clamp(28px, 5vw, 42px);
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.25;
            color: #FFFFFF;
        }

        .category-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 24px;
            max-width: 620px;
        }

        .category-hero__badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }

        @media (max-width: 576px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }
        }

        .equip-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid var(--border-soft);
            display: flex;
            flex-direction: column;
        }

        .equip-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--border-medium);
        }

        .equip-card__image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .equip-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .equip-card:hover .equip-card__image img {
            transform: scale(1.04);
        }

        .equip-card__image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, transparent 55%, rgba(14, 58, 93, 0.35) 100%);
        }

        .equip-card__tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: var(--brand-accent);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }

        .equip-card__body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .equip-card__title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .equip-card__meta {
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .equip-card__meta i {
            font-size: 11px;
            color: var(--brand-cyan);
        }

        .equip-card__desc {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }

        .equip-card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-accent);
            text-decoration: none;
            transition: all var(--transition-base);
        }

        .equip-card__link i {
            transition: transform var(--transition-base);
        }

        .equip-card__link:hover {
            color: var(--brand-accent-hover);
        }

        .equip-card__link:hover i {
            transform: translateX(4px);
        }

        /* Deep content section */
        .deep-article {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            padding: 44px 48px;
            max-width: 820px;
            margin: 0 auto;
        }

        .deep-article h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 28px 0 12px;
            line-height: 1.35;
        }

        .deep-article h3:first-child {
            margin-top: 0;
        }

        .deep-article p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: 16px;
        }

        .deep-article ul {
            padding-left: 20px;
            margin: 12px 0 20px;
        }

        .deep-article li {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-body);
            margin-bottom: 8px;
        }

        @media (max-width: 768px) {
            .deep-article {
                padding: 28px 22px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-medium);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 28px;
            cursor: pointer;
            gap: 16px;
            user-select: none;
        }

        .faq-item__question h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.5;
            flex: 1;
        }

        .faq-item__icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(46, 143, 163, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-cyan);
            font-size: 14px;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-item__icon {
            background: var(--brand-accent);
            color: #FFFFFF;
            transform: rotate(45deg);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.open .faq-item__answer {
            max-height: 500px;
        }

        .faq-item__answer p {
            padding: 0 28px 22px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin: 0;
        }

        /* Data badges row */
        .data-badges-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }

        .data-badge {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-card);
            border-radius: 16px;
            padding: 20px 28px;
            border: 1.5px solid transparent;
            border-image: var(--gradient-edge) 1;
            box-shadow: var(--shadow-card);
            min-width: 180px;
            transition: all var(--transition-base);
            flex-shrink: 1;
        }

        .data-badge:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .data-badge__number {
            font-size: 32px;
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1;
            letter-spacing: -1px;
        }

        .data-badge__label {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.4;
        }

        @media (max-width: 576px) {
            .data-badge {
                min-width: 150px;
                padding: 16px 20px;
            }
            .data-badge__number {
                font-size: 26px;
            }
        }

        /* Related articles */
        .related-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .related-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border-radius: 14px;
            padding: 18px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .related-item:hover {
            transform: translateX(4px);
            border-color: rgba(46, 143, 163, 0.25);
            box-shadow: var(--shadow-card-hover);
        }

        .related-item__icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(46, 143, 163, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-cyan);
            font-size: 16px;
            flex-shrink: 0;
        }

        .related-item__text {
            flex: 1;
            font-size: 15px;
            color: var(--text-primary);
            font-weight: 500;
            line-height: 1.5;
        }

        .related-item__arrow {
            color: var(--text-weak);
            font-size: 14px;
            flex-shrink: 0;
            transition: color var(--transition-base);
        }

        .related-item:hover .related-item__arrow {
            color: var(--brand-accent);
        }

        /* CTA */
        .cta-zone {
            background: var(--gradient-brand);
            border-radius: 24px;
            padding: 52px 48px;
            text-align: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .cta-zone::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: rgba(255, 255, 255, 0.07);
            border-radius: 50%;
        }

        .cta-zone::after {
            content: '';
            position: absolute;
            bottom: -60%;
            right: -10%;
            width: 50%;
            height: 180%;
            background: rgba(242, 107, 58, 0.18);
            border-radius: 50%;
        }

        .cta-zone>* {
            position: relative;
            z-index: 1;
        }

        .cta-zone h2 {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .cta-zone p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-zone .btn {
            margin: 0 6px;
        }

        @media (max-width: 576px) {
            .cta-zone {
                padding: 36px 22px;
            }
            .cta-zone h2 {
                font-size: 23px;
            }
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-dark);
            color: rgba(232, 240, 245, 0.8);
            padding: 64px 0 24px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .footer-brand p {
            margin-top: 14px;
            max-width: 340px;
            font-size: 14px;
            line-height: 1.7;
            color: rgba(232, 240, 245, 0.7);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(232, 240, 245, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--brand-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(232, 240, 245, 0.14);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            font-size: 13px;
        }

        .footer-bottom p {
            margin: 0;
            color: rgba(232, 240, 245, 0.6);
        }

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            color: rgba(232, 240, 245, 0.5);
            font-size: 12px;
        }

        .footer-beian span {
            white-space: nowrap;
        }

        .footer-beian a {
            color: rgba(232, 240, 245, 0.5);
            text-decoration: none;
        }

        .footer-beian a:hover {
            color: var(--brand-accent);
        }

        @media (max-width: 576px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* Method steps for deep section B */
        .method-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            padding: 26px 28px;
            transition: all var(--transition-base);
            height: 100%;
        }

        .method-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .method-card__step {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-brand);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .method-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .method-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
        }

        .method-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }

        @media (max-width: 576px) {
            .method-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category6 */
:root {
            --brand-deep: #0E3A5D;
            --brand-mid: #166A86;
            --brand-teal: #21A19C;
            --brand-accent: #F26B3A;
            --brand-accent-hover: #D9572A;
            --brand-cyan: #2E8FA3;
            --bg-soft: #F5F7FA;
            --bg-dark: #0B2A40;
            --bg-card: #FFFFFF;
            --text-primary: #142A3A;
            --text-body: #3D5567;
            --text-weak: #6B8295;
            --text-on-dark: #E8F0F5;
            --text-on-accent: #FFFFFF;
            --border-soft: rgba(14, 58, 93, 0.08);
            --border-medium: rgba(14, 58, 93, 0.14);
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-inner: 12px;
            --shadow-card: 0 8px 24px rgba(10, 45, 64, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(10, 45, 64, 0.14);
            --shadow-lg: 0 24px 48px rgba(10, 45, 64, 0.15);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --transition-base: 0.25s ease;
            --gradient-brand: linear-gradient(135deg, #0E3A5D 0%, #166A86 45%, #21A19C 100%);
            --gradient-accent: linear-gradient(135deg, #F26B3A 0%, #F59B6E 100%);
            --gradient-edge: linear-gradient(90deg, #0E3A5D 0%, #166A86 50%, #21A19C 100%);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-soft);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--brand-accent);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--tight {
            padding: 48px 0;
        }

        .section--dark {
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
        }

        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }

        .section--dark p {
            color: rgba(232, 240, 245, 0.82);
        }

        .section--soft {
            background-color: #EDF2F6;
        }

        .section--gradient-bg {
            background: var(--gradient-brand);
            color: #FFFFFF;
        }

        .section--gradient-bg h2,
        .section--gradient-bg h3 {
            color: #FFFFFF;
        }

        .section--gradient-bg p {
            color: rgba(255, 255, 255, 0.88);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-weak);
            margin-bottom: 36px;
            max-width: 720px;
        }

        .section--dark .section-title {
            color: #FFFFFF;
        }

        .section--dark .section-subtitle {
            color: rgba(232, 240, 245, 0.7);
        }

        .section--gradient-bg .section-title,
        .section--gradient-bg .section-subtitle {
            color: #FFFFFF;
        }

        .btn {
            display: inline-block;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn--primary {
            background-color: var(--brand-accent);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(242, 107, 58, 0.25);
        }

        .btn--primary:hover {
            background-color: var(--brand-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(242, 107, 58, 0.35);
            text-decoration: none;
        }

        .btn--outline {
            background: transparent;
            color: var(--brand-deep);
            border: 2px solid var(--brand-deep);
        }

        .btn--outline:hover {
            background: var(--brand-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--small {
            padding: 10px 18px;
            font-size: 14px;
        }

        .btn--large {
            padding: 16px 36px;
            font-size: 17px;
        }

        .btn--ghost {
            background: transparent;
            color: var(--brand-accent);
            padding: 8px 0;
            font-weight: 600;
            font-size: 14px;
            border-radius: 0;
            box-shadow: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn--ghost:hover {
            color: var(--brand-accent-hover);
            background: transparent;
            box-shadow: none;
            transform: none;
            text-decoration: none;
        }

        .btn--ghost i {
            transition: transform var(--transition-base);
        }

        .btn--ghost:hover i {
            transform: translateX(4px);
        }

        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            box-shadow: 0 2px 12px rgba(10, 45, 64, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .site-header__top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--brand-deep);
        }

        .site-logo:hover {
            color: var(--brand-deep);
            text-decoration: none;
        }

        .site-logo__icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient-brand);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .site-logo__text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--brand-deep);
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .site-logo__text small {
            font-size: 10px;
            font-weight: 400;
            letter-spacing: 1.5px;
            color: var(--text-weak);
            text-transform: uppercase;
        }

        .site-header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-soft);
            border-radius: var(--radius-btn);
            padding: 6px 16px;
            gap: 8px;
            border: 1px solid var(--border-soft);
            transition: border-color var(--transition-base);
        }

        .header-search:focus-within {
            border-color: var(--brand-accent);
        }

        .header-search input {
            border: none;
            background: transparent;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            width: 160px;
        }

        .header-search input::placeholder {
            color: var(--text-weak);
        }

        .header-search i {
            color: var(--text-weak);
            font-size: 14px;
        }

        .site-nav {
            border-top: 1px solid var(--border-soft);
            background: #FFFFFF;
            padding: 10px 0;
        }

        .site-nav__grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            flex-wrap: wrap;
        }

        .site-nav__item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .site-nav__item i {
            font-size: 16px;
            color: var(--brand-cyan);
            transition: color var(--transition-base);
        }

        .site-nav__item:hover {
            background: #F0F7F8;
            color: var(--brand-deep);
            text-decoration: none;
        }

        .site-nav__item:hover i {
            color: var(--brand-accent);
        }

        .site-nav__item.is-active {
            background: var(--gradient-brand);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(14, 58, 93, 0.25);
        }

        .site-nav__item.is-active i {
            color: #FFFFFF;
        }

        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--brand-deep);
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-base);
        }

        .mobile-nav-toggle:hover {
            background: var(--bg-soft);
        }

        .mobile-nav {
            display: none;
            background: #FFFFFF;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            padding: 16px;
            margin-top: 8px;
        }

        .mobile-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 15px;
            color: var(--text-body);
            text-decoration: none;
            transition: background var(--transition-base);
        }

        .mobile-nav a:hover {
            background: var(--bg-soft);
            color: var(--brand-deep);
        }

        .mobile-nav a.is-active {
            background: var(--gradient-brand);
            color: #FFFFFF;
        }

        .mobile-nav a i {
            width: 20px;
            text-align: center;
            color: var(--brand-cyan);
        }

        .mobile-nav a.is-active i {
            color: #FFFFFF;
        }

        .breadcrumb {
            padding: 20px 0;
            font-size: 14px;
            color: var(--text-weak);
        }

        .breadcrumb a {
            color: var(--text-weak);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--brand-accent);
        }

        .breadcrumb span {
            margin: 0 8px;
            color: var(--border-medium);
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        .classification-hero {
            background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-mid) 60%, var(--brand-teal) 100%);
            border-radius: 24px;
            padding: 56px 48px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            margin-bottom: 32px;
        }

        .classification-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .classification-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(33, 161, 156, 0.15);
            pointer-events: none;
        }

        .classification-hero__content {
            position: relative;
            z-index: 1;
            max-width: 700px;
        }

        .classification-hero h1 {
            font-size: 38px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: #FFFFFF;
            line-height: 1.3;
        }

        .classification-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0;
        }

        .classification-intro {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 32px 36px;
            box-shadow: var(--shadow-card);
            border-left: 4px solid var(--brand-accent);
            margin-bottom: 40px;
        }

        .classification-intro p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            margin: 0;
        }

        .venue-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-bottom: 40px;
        }

        .venue-card {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-soft);
        }

        .venue-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(46, 143, 163, 0.25);
        }

        .venue-card__image {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .venue-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .venue-card:hover .venue-card__image img {
            transform: scale(1.04);
        }

        .venue-card__badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--brand-accent);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.5px;
        }

        .venue-card__body {
            padding: 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .venue-card__title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .venue-card__meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .venue-card__meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .venue-card__meta i {
            color: var(--brand-cyan);
            font-size: 13px;
        }

        .venue-card__desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-body);
            margin-bottom: 18px;
            flex: 1;
        }

        .venue-card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border-soft);
            gap: 12px;
            flex-wrap: wrap;
        }

        .venue-card__tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            color: var(--brand-cyan);
            font-weight: 500;
            background: rgba(46, 143, 163, 0.08);
            padding: 6px 14px;
            border-radius: var(--radius-btn);
        }

        .deep-content {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 48px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            margin-bottom: 40px;
        }

        .deep-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .deep-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 28px 0 12px;
        }

        .deep-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 16px;
        }

        .deep-content ul,
        .deep-content ol {
            margin: 12px 0 20px 20px;
            padding-left: 8px;
        }

        .deep-content li {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            margin-bottom: 8px;
        }

        .deep-content blockquote {
            background: var(--bg-soft);
            border-left: 4px solid var(--brand-cyan);
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
            font-size: 15px;
            color: var(--text-body);
        }

        .faq-section {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 48px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            margin-bottom: 40px;
        }

        .faq-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 28px;
            letter-spacing: -0.5px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-soft);
            padding: 20px 0;
            cursor: pointer;
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .faq-item__question h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            flex: 1;
        }

        .faq-item__icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(46, 143, 163, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-cyan);
            font-size: 13px;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-item__icon {
            background: var(--brand-accent);
            color: #FFFFFF;
            transform: rotate(180deg);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-item.open .faq-item__answer {
            max-height: 300px;
        }

        .faq-item__answer p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            padding-top: 14px;
            margin: 0;
        }

        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .stat-item {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(46, 143, 163, 0.2);
        }

        .stat-item__number {
            font-size: 36px;
            font-weight: 700;
            color: var(--brand-deep);
            letter-spacing: -1px;
            margin-bottom: 6px;
            line-height: 1.2;
        }

        .stat-item__number span {
            font-size: 18px;
            color: var(--brand-accent);
            margin-left: 2px;
        }

        .stat-item__label {
            font-size: 14px;
            color: var(--text-weak);
            font-weight: 500;
        }

        .related-links {
            background: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
            margin-bottom: 40px;
        }

        .related-links h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .related-links__list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }

        .related-links__item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 18px;
            background: var(--bg-soft);
            border-radius: 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            text-decoration: none;
            transition: all var(--transition-base);
        }

        .related-links__item i {
            color: var(--brand-cyan);
            font-size: 13px;
            flex-shrink: 0;
        }

        .related-links__item:hover {
            background: rgba(46, 143, 163, 0.1);
            color: var(--brand-deep);
            text-decoration: none;
        }

        .cta-band {
            background: var(--gradient-brand);
            border-radius: 24px;
            padding: 48px 44px;
            text-align: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -5%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(242, 107, 58, 0.2);
            pointer-events: none;
        }

        .cta-band h2 {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            position: relative;
            z-index: 1;
        }

        .cta-band p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-band .btn {
            position: relative;
            z-index: 1;
        }

        .cta-band__actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .site-logo {
            margin-bottom: 14px;
        }

        .footer-brand .site-logo__text {
            color: #FFFFFF;
        }

        .footer-brand .site-logo__text small {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(232, 240, 245, 0.7);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(232, 240, 245, 0.7);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(232, 240, 245, 0.6);
            margin: 0;
        }

        .footer-beian {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(232, 240, 245, 0.5);
        }

        .footer-beian a {
            color: rgba(232, 240, 245, 0.6);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-beian a:hover {
            color: #FFFFFF;
        }

        @media (max-width: 1024px) {
            .site-nav__grid {
                gap: 4px;
            }
            .site-nav__item {
                padding: 10px 12px;
                font-size: 13px;
            }
            .venue-grid {
                gap: 20px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-links__list {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content,
            .faq-section {
                padding: 32px 28px;
            }
            .classification-hero {
                padding: 42px 32px;
            }
            .classification-hero h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .site-nav__grid {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .mobile-nav.open {
                display: block;
            }
            .header-search input {
                width: 100px;
            }
            .site-header__top {
                padding: 10px 0;
                gap: 8px;
            }
            .site-logo__text {
                font-size: 17px;
            }
            .site-logo__icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .venue-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .venue-card__image {
                height: 180px;
            }
            .classification-hero {
                padding: 32px 22px;
                border-radius: 18px;
            }
            .classification-hero h1 {
                font-size: 25px;
            }
            .classification-hero p {
                font-size: 15px;
            }
            .classification-intro {
                padding: 24px 20px;
            }
            .deep-content,
            .faq-section {
                padding: 24px 18px;
                border-radius: 14px;
            }
            .deep-content h2 {
                font-size: 22px;
            }
            .deep-content h3 {
                font-size: 18px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-item__number {
                font-size: 28px;
            }
            .related-links {
                padding: 24px 18px;
            }
            .related-links__list {
                grid-template-columns: 1fr;
            }
            .cta-band {
                padding: 32px 22px;
                border-radius: 18px;
            }
            .cta-band h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .site-logo__text small {
                letter-spacing: 0.8px;
                font-size: 8px;
            }
            .site-logo__text {
                font-size: 15px;
            }
            .header-search {
                display: none;
            }
            .classification-hero h1 {
                font-size: 22px;
            }
            .classification-hero p {
                font-size: 14px;
            }
            .classification-hero {
                padding: 24px 16px;
            }
            .venue-card__body {
                padding: 18px 16px;
            }
            .venue-card__title {
                font-size: 17px;
            }
            .venue-card__footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .stats-bar {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 16px;
            }
            .stat-item__number {
                font-size: 26px;
            }
            .deep-content,
            .faq-section {
                padding: 20px 14px;
            }
            .cta-band {
                padding: 24px 16px;
            }
            .cta-band__actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                padding: 12px 22px;
                font-size: 14px;
                width: 100%;
            }
        }

/* roulang page: category7 */
:root {
            --brand-deep: #0E3A5D;
            --brand-mid: #166A86;
            --brand-teal: #21A19C;
            --brand-accent: #F26B3A;
            --brand-accent-hover: #D9572A;
            --brand-cyan: #2E8FA3;
            --bg-soft: #F5F7FA;
            --bg-dark: #0B2A40;
            --bg-card: #FFFFFF;
            --text-primary: #142A3A;
            --text-body: #3D5567;
            --text-weak: #6B8295;
            --text-on-dark: #E8F0F5;
            --text-on-accent: #FFFFFF;
            --border-soft: rgba(14, 58, 93, 0.08);
            --border-medium: rgba(14, 58, 93, 0.14);
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-inner: 12px;
            --shadow-card: 0 8px 24px rgba(10, 45, 64, 0.08);
            --shadow-card-hover: 0 16px 36px rgba(10, 45, 64, 0.14);
            --shadow-lg: 0 24px 48px rgba(10, 45, 64, 0.15);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
            --transition-base: 0.25s ease;
            --gradient-brand: linear-gradient(135deg, #0E3A5D 0%, #166A86 45%, #21A19C 100%);
            --gradient-accent: linear-gradient(135deg, #F26B3A 0%, #F59B6E 100%);
            --gradient-edge: linear-gradient(90deg, #0E3A5D 0%, #166A86 50%, #21A19C 100%);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background-color: var(--bg-soft);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--brand-cyan);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--brand-accent);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section--tight {
            padding: 48px 0;
        }

        .section--dark {
            background-color: var(--bg-dark);
            color: var(--text-on-dark);
        }

        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }

        .section--dark p {
            color: rgba(232, 240, 245, 0.82);
        }

        .section--soft {
            background-color: #EDF2F6;
        }

        .section--gradient-bg {
            background: var(--gradient-brand);
            color: #FFFFFF;
        }

        .section--gradient-bg h1,
        .section--gradient-bg h2,
        .section--gradient-bg h3 {
            color: #FFFFFF;
        }

        .section--gradient-bg p {
            color: rgba(255, 255, 255, 0.88);
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-weak);
            margin-bottom: 36px;
            max-width: 720px;
        }

        .section--dark .section-title,
        .section--dark .section-subtitle {
            color: #FFFFFF;
        }

        .section--dark .section-subtitle {
            color: rgba(232, 240, 245, 0.7);
        }

        .section--gradient-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        .btn {
            display: inline-block;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn--primary {
            background-color: var(--brand-accent);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(242, 107, 58, 0.25);
        }

        .btn--primary:hover {
            background-color: var(--brand-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(242, 107, 58, 0.35);
            text-decoration: none;
        }

        .btn--outline {
            background: transparent;
            color: var(--brand-deep);
            border: 2px solid var(--brand-deep);
        }

        .btn--outline:hover {
            background: var(--brand-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn--outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--light {
            background: #FFFFFF;
            color: var(--brand-deep);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

        .btn--light:hover {
            background: rgba(255, 255, 255, 0.92);
            color: var(--brand-deep);
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn--small {
            padding: 10px 18px;
            font-size: 14px;
        }

        /* Header */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            box-shadow: 0 6px 18px rgba(10, 45, 64, 0.03);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            padding-top: 12px;
            padding-bottom: 8px;
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-bottom: 8px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--brand-deep);
            font-size: 1.35rem;
            letter-spacing: -0.3px;
            text-decoration: none;
        }

        .site-logo:hover {
            color: var(--brand-deep);
            text-decoration: none;
        }

        .site-logo__icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--gradient-brand);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .site-logo__text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .site-logo__text small {
            font-size: 0.62rem;
            font-weight: 400;
            letter-spacing: 2px;
            color: var(--text-weak);
            margin-top: 2px;
        }

        .header-search {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg-soft);
            border: 1px solid var(--border-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-deep);
            font-size: 16px;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .header-search:hover {
            background: var(--brand-cyan);
            border-color: var(--brand-cyan);
            color: #FFFFFF;
            transform: translateY(-2px);
            text-decoration: none;
        }

        .site-nav {
            padding-bottom: 8px;
        }

        .site-nav__grid {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(14, 58, 93, 0.2) transparent;
        }

        .site-nav__grid::-webkit-scrollbar {
            height: 4px;
        }

        .site-nav__grid::-webkit-scrollbar-thumb {
            background: rgba(14, 58, 93, 0.2);
            border-radius: 999px;
        }

        .site-nav__item {
            flex: 0 0 auto;
            min-width: 96px;
            padding: 11px 14px;
            border-radius: 14px;
            background: var(--bg-soft);
            color: var(--text-body);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .site-nav__item i {
            font-size: 17px;
            color: var(--brand-cyan);
        }

        .site-nav__item:hover {
            background: #E6F3F6;
            color: var(--brand-deep);
            border-color: rgba(46, 143, 163, 0.18);
            transform: translateY(-2px);
            text-decoration: none;
        }

        .site-nav__item.is-active {
            background: var(--gradient-brand);
            color: #FFFFFF;
            border-color: transparent;
            box-shadow: 0 8px 18px rgba(14, 58, 93, 0.18);
        }

        .site-nav__item.is-active i {
            color: #FFFFFF;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-soft);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-weak);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--brand-accent);
        }

        .breadcrumb .current {
            color: var(--brand-deep);
            font-weight: 600;
        }

        /* Page hero */
        .page-hero {
            position: relative;
            background-image: linear-gradient(135deg, rgba(14, 58, 93, 0.88) 0%, rgba(22, 106, 134, 0.84) 45%, rgba(33, 161, 156, 0.78) 100%), url('/assets/images/f4959145afccc626.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0 96px;
            color: #FFFFFF;
            overflow: hidden;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -120px;
            width: 360px;
            height: 360px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .container-custom {
            position: relative;
            z-index: 1;
        }

        .page-hero h1 {
            font-size: 44px;
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -1px;
            margin-bottom: 16px;
            max-width: 820px;
            color: #FFFFFF;
        }

        .page-hero .page-hero__lead {
            font-size: 18px;
            line-height: 1.9;
            max-width: 760px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 0;
        }

        /* News cards */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 26px;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(46, 143, 163, 0.2);
        }

        .news-card__media {
            aspect-ratio: 16 / 7.5;
            overflow: hidden;
            background: #E4EDF2;
        }

        .news-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .news-card:hover .news-card__media img {
            transform: scale(1.04);
        }

        .news-card__body {
            padding: 24px 24px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 14px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(242, 107, 58, 0.1);
            color: #C74F26;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .news-card time {
            color: var(--text-weak);
            font-size: 13px;
            white-space: nowrap;
        }

        .news-card h3 {
            font-size: 21px;
            line-height: 1.45;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
        }

        .news-card p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            margin: 0 0 18px;
        }

        .read-more {
            margin-top: auto;
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--brand-accent);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .read-more i {
            font-size: 13px;
            transition: transform var(--transition-base);
        }

        .read-more:hover {
            color: var(--brand-accent-hover);
            text-decoration: none;
        }

        .read-more:hover i {
            transform: translateX(4px);
        }

        /* Focus deep cards */
        .focus-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 26px;
        }

        .focus-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .focus-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .focus-card__media {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E4EDF2;
        }

        .focus-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .focus-card:hover .focus-card__media img {
            transform: scale(1.04);
        }

        .focus-card__body {
            padding: 26px 26px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .focus-card .tag {
            align-self: flex-start;
            margin-bottom: 14px;
        }

        .focus-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .focus-card p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(46, 143, 163, 0.2);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            transition: background var(--transition-base);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            background: #F6FAFB;
        }

        .faq-item summary h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.5;
        }

        .faq-item summary .faq-icon {
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(46, 143, 163, 0.1);
            color: var(--brand-cyan);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: transform var(--transition-base);
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--brand-accent);
            color: #FFFFFF;
        }

        .faq-answer {
            padding: 0 24px 22px;
            border-top: 1px solid var(--border-soft);
        }

        .faq-answer p {
            margin: 14px 0 0;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
        }

        /* Metric strip */
        .metric-strip {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 20px;
        }

        .metric-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 18px;
            padding: 26px 16px 22px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .metric-item:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.24);
            transform: translateY(-4px);
        }

        .metric-item__number {
            display: block;
            font-size: 46px;
            font-weight: 700;
            letter-spacing: -1px;
            line-height: 1.1;
            color: #FFFFFF;
            background: linear-gradient(135deg, #FFFFFF 0%, rgba(255, 255, 255, 0.75) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .metric-item__label {
            font-size: 14px;
            color: rgba(232, 240, 245, 0.7);
            letter-spacing: 0.3px;
        }

        /* Related links */
        .related-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 14px;
        }

        .related-list li a {
            display: block;
            padding: 16px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: 14px;
            color: var(--text-body);
            font-weight: 500;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .related-list li a:hover {
            border-color: rgba(46, 143, 163, 0.25);
            color: var(--brand-deep);
            transform: translateX(4px);
            text-decoration: none;
            box-shadow: var(--shadow-card);
        }

        .related-list li a i {
            color: var(--brand-accent);
            margin-right: 8px;
        }

        /* CTA card */
        .cta-card {
            background: var(--gradient-brand);
            border-radius: 26px;
            padding: 48px 48px 42px;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 36px;
            align-items: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            right: -70px;
            top: -100px;
            width: 270px;
            height: 270px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 12px;
            letter-spacing: -0.5px;
        }

        .cta-card p {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
        }

        .newsletter-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .newsletter-form input[type="email"] {
            flex: 1 1 240px;
            padding: 15px 20px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.92);
            font-size: 15px;
            color: var(--text-primary);
            outline: none;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .newsletter-form input[type="email"]::placeholder {
            color: #7E93A1;
        }

        .newsletter-form input[type="email"]:focus {
            border-color: #FFFFFF;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.25);
        }

        .newsletter-form .btn {
            flex-shrink: 0;
        }

        .cta-card .cta-more {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 16px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
        }

        .cta-card .cta-more:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #FFFFFF;
            padding: 52px 0 26px;
            margin-top: 0;
        }

        .site-footer .container-custom {
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            color: rgba(232, 240, 245, 0.72);
            font-size: 15px;
            line-height: 1.85;
            margin: 18px 0 0;
            max-width: 340px;
        }

        .site-footer .site-logo {
            color: #FFFFFF;
            font-size: 1.35rem;
        }

        .site-footer .site-logo:hover {
            color: #FFFFFF;
        }

        .site-footer .site-logo__text small {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 16px;
            letter-spacing: 0.2px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(232, 240, 245, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col ul li a:hover {
            color: var(--brand-accent);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-bottom p {
            margin: 0;
            color: rgba(232, 240, 245, 0.7);
            font-size: 14px;
        }

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
            color: rgba(232, 240, 245, 0.55);
        }

        .footer-beian a {
            color: rgba(232, 240, 245, 0.7);
            text-decoration: none;
        }

        .footer-beian a:hover {
            color: var(--brand-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .focus-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .metric-strip {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .cta-card {
                grid-template-columns: 1fr;
                gap: 26px;
                padding: 36px 32px 32px;
            }

            .site-nav__item {
                min-width: 88px;
                font-size: 13px;
                padding: 10px 12px;
                gap: 5px;
            }

            .site-nav__item i {
                font-size: 15px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --spacing-section: 56px;
            }

            .section {
                padding: var(--spacing-section-mobile) 0;
            }

            .page-hero {
                padding: 60px 0 72px;
            }

            .page-hero h1 {
                font-size: 32px;
                line-height: 1.35;
            }

            .page-hero .page-hero__lead {
                font-size: 16px;
                line-height: 1.85;
            }

            .section-title {
                font-size: 24px;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .focus-grid {
                grid-template-columns: 1fr;
            }

            .metric-strip {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 14px;
            }

            .metric-item__number {
                font-size: 36px;
            }

            .related-list {
                grid-template-columns: 1fr;
            }

            .cta-card {
                padding: 32px 20px 28px;
            }

            .cta-card h2 {
                font-size: 23px;
            }

            .newsletter-form {
                flex-direction: column;
            }

            .newsletter-form .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .header-top {
                padding-bottom: 6px;
            }

            .site-logo {
                font-size: 1.2rem;
            }

            .site-logo__icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }

            .site-nav__grid {
                gap: 6px;
                padding-bottom: 10px;
            }

            .site-nav__item {
                min-width: 88px;
                padding: 10px 12px;
                font-size: 13px;
                gap: 5px;
            }

            .site-nav__item i {
                font-size: 15px;
            }

            .breadcrumb-section {
                padding: 10px 0;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .page-hero h1 {
                font-size: 27px;
            }

            .news-card__body {
                padding: 18px 16px 18px;
            }

            .focus-card__body {
                padding: 20px 18px 18px;
            }

            .metric-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .metric-item {
                padding: 18px 10px 16px;
            }

            .metric-item__number {
                font-size: 30px;
            }

            .footer-beian {
                flex-direction: column;
                gap: 6px;
            }
        }