/* roulang page: index */
:root {
            --color-deep: #0B3C49;
            --color-deep-2: #0E4D5A;
            --color-deep-3: #0A3340;
            --color-coral: #FF6B4A;
            --color-coral-hover: #E85C3B;
            --color-foam: #D7EEEC;
            --color-sand: #F7F3EC;
            --color-card: #FBF8F3;
            --color-text: #1A2E35;
            --color-text-light: #5A6E75;
            --color-white: #FFFFFF;
            --color-border: #E5DDD0;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 30px rgba(11, 60, 73, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(11, 60, 73, 0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 72px;
            padding-bottom: 80px;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-coral);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            body {
                padding-top: 64px;
                padding-bottom: 72px;
            }
        }

        @media (max-width: 520px) {
            body {
                padding-top: 60px;
                padding-bottom: 64px;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 50%, var(--color-deep-2) 100%);
            border-bottom: 1px solid rgba(215, 238, 236, 0.12);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 2px 12px rgba(255, 107, 74, 0.35);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .header-nav a {
            color: #E8F1F0;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .header-nav a:hover {
            color: #fff;
            background: rgba(215, 238, 236, 0.1);
        }

        .header-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.1);
            font-weight: 600;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 20px;
            border-radius: 10px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
            letter-spacing: 0.3px;
        }

        .header-cta:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            box-shadow: 0 6px 24px rgba(232, 92, 59, 0.4);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            color: #E8F1F0;
            font-size: 26px;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(215, 238, 236, 0.1);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-deep-3);
            z-index: 999;
            padding: 24px 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav a {
            color: #E8F1F0;
            font-size: 17px;
            font-weight: 500;
            padding: 14px 16px;
            border-radius: 10px;
            transition: var(--transition);
            border-bottom: 1px solid rgba(215, 238, 236, 0.08);
        }

        .mobile-nav a:hover {
            background: rgba(215, 238, 236, 0.08);
            color: #fff;
        }

        .mobile-nav a.active {
            color: var(--color-coral);
            font-weight: 600;
        }

        .mobile-nav .mobile-cta {
            margin-top: 20px;
            text-align: center;
            background: var(--color-coral);
            color: #fff;
            font-weight: 600;
            padding: 14px;
            border-radius: 10px;
            border-bottom: none;
        }

        .mobile-nav .mobile-cta:hover {
            background: var(--color-coral-hover);
            color: #fff;
        }

        @media (max-width: 1024px) {
            .header-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .mobile-nav {
                top: 64px;
            }
            .header-logo {
                font-size: 19px;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                height: 60px;
            }
            .mobile-nav {
                top: 60px;
            }
            .header-logo {
                font-size: 18px;
            }
            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
        }

        /* Hero */
        .hero {
            background: linear-gradient(180deg, var(--color-deep-3) 0%, var(--color-deep) 50%, var(--color-deep-2) 100%);
            position: relative;
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
            padding: 80px 0 64px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/82cf7316831fb065.webp') center center / cover no-repeat;
            opacity: 0.22;
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 51, 64, 0.75) 0%, rgba(11, 60, 73, 0.85) 50%, rgba(14, 77, 90, 0.9) 100%);
            z-index: 2;
        }

        .hero .container {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 56px;
            align-items: center;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 107, 74, 0.15);
            border: 1px solid rgba(255, 107, 74, 0.3);
            color: #FFB4A0;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            width: fit-content;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: 0.5px;
            margin: 0;
        }

        .hero-title span {
            color: #FF9A80;
        }

        .hero-desc {
            font-size: 17px;
            color: #D7EEEC;
            line-height: 1.8;
            max-width: 560px;
            opacity: 0.9;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 28px;
            border-radius: 10px;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(255, 107, 74, 0.35);
            letter-spacing: 0.5px;
            border: none;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            box-shadow: 0 10px 28px rgba(232, 92, 59, 0.45);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #E8F1F0;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 28px;
            border-radius: 10px;
            border: 1.5px solid rgba(215, 238, 236, 0.4);
            transition: var(--transition);
            letter-spacing: 0.5px;
        }

        .btn-secondary:hover {
            background: rgba(215, 238, 236, 0.1);
            border-color: rgba(215, 238, 236, 0.65);
            transform: translateY(-2px);
        }

        .hero-trust {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(215, 238, 236, 0.15);
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #C4DAD8;
            font-size: 13px;
            font-weight: 500;
        }

        .hero-trust-item i {
            color: var(--color-coral);
            font-size: 14px;
        }

        .hero-visual {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(215, 238, 236, 0.12);
            border-radius: 20px;
            padding: 28px;
            backdrop-filter: blur(8px);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-visual-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
        }

        .hero-visual-header span:last-child {
            color: #FFB4A0;
            font-size: 13px;
        }

        .hero-match-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 14px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .hero-match-team {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #E8F1F0;
            font-weight: 600;
            font-size: 15px;
        }

        .hero-match-team .team-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3A6B7A, #4A8B9E);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }

        .hero-match-score {
            font-size: 28px;
            font-weight: 800;
            color: #FF9A80;
            letter-spacing: 2px;
        }

        .hero-match-time {
            text-align: center;
            color: #A8C4C2;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 1px;
        }

        .hero-data-strip {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .hero-data-item {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 14px;
            text-align: center;
        }

        .hero-data-item .data-num {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .hero-data-item .data-label {
            font-size: 12px;
            color: #C4DAD8;
            margin-top: 4px;
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .hero {
                min-height: auto;
                padding: 60px 0 48px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-desc {
                font-size: 16px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .btn-primary,
            .btn-secondary {
                justify-content: center;
                width: 100%;
                padding: 12px 20px;
                font-size: 15px;
            }
            .hero-visual {
                padding: 18px;
                border-radius: 16px;
            }
            .hero-match-score {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
                line-height: 1.35;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-trust {
                gap: 12px;
                flex-direction: column;
            }
            .hero-data-strip {
                grid-template-columns: 1fr;
            }
        }

        /* Section Base */
        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-dark {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 60%, var(--color-deep-2) 100%);
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--color-text-light);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .section-dark .section-head h2 {
            color: #fff;
        }

        .section-dark .section-head p {
            color: #D7EEEC;
            opacity: 0.85;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .section-head p {
                font-size: 15px;
            }
            .section-head {
                margin-bottom: 32px;
            }
        }

        /* Stats Bar */
        .stats-bar {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 100%);
            border-top: 1px solid rgba(215, 238, 236, 0.1);
            border-bottom: 1px solid rgba(215, 238, 236, 0.1);
            padding: 32px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 12px;
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: #FF9A80;
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: #D7EEEC;
            margin-top: 6px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-num {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .stats-bar {
                padding: 24px 0;
            }
            .stat-num {
                font-size: 22px;
            }
            .stat-label {
                font-size: 12px;
            }
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(229, 221, 208, 0.5);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(255, 107, 74, 0.25);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(11, 60, 73, 0.08) 0%, rgba(255, 107, 74, 0.12) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-coral);
            font-size: 22px;
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.3px;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
            flex: 1;
        }

        .feature-link {
            color: var(--color-coral);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .feature-link:hover {
            color: var(--color-coral-hover);
            gap: 10px;
        }

        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
            }
        }

        /* Scene Demo */
        .scene-demo {
            background: #FFFFFF;
        }

        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .scene-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            background: var(--color-card);
            border: 1px solid rgba(229, 221, 208, 0.5);
        }

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

        .scene-card .scene-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .scene-card .scene-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .scene-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
        }

        .scene-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .scene-tag {
            display: inline-block;
            background: rgba(255, 107, 74, 0.1);
            color: var(--color-coral);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            width: fit-content;
        }

        @media (max-width: 1024px) {
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scene-card .scene-img {
                height: 160px;
            }
        }

        /* Brand Intro */
        .brand-intro {
            background: linear-gradient(180deg, #FFFFFF 0%, var(--color-sand) 100%);
            padding: 80px 0;
        }

        .brand-intro .container {
            max-width: 860px;
        }

        .brand-intro h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }

        .brand-intro-text {
            font-size: 16px;
            color: var(--color-text);
            line-height: 2;
            text-align: justify;
            letter-spacing: 0.2px;
        }

        .brand-intro-text p {
            margin-bottom: 16px;
        }

        @media (max-width: 768px) {
            .brand-intro {
                padding: 48px 0;
            }
            .brand-intro h2 {
                font-size: 22px;
            }
            .brand-intro-text {
                font-size: 15px;
                line-height: 1.9;
            }
        }

        /* Social Proof */
        .social-proof {
            background: #FFFFFF;
            padding: 56px 0;
            border-top: 1px solid rgba(229, 221, 208, 0.5);
            border-bottom: 1px solid rgba(229, 221, 208, 0.5);
        }

        .social-proof-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px 40px;
            justify-content: center;
            align-items: center;
        }

        .social-proof-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--color-text-light);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid rgba(229, 221, 208, 0.6);
            padding: 10px 20px;
            border-radius: 8px;
            background: var(--color-sand);
        }

        .social-proof-item i {
            color: var(--color-coral);
            font-size: 16px;
        }

        @media (max-width: 768px) {
            .social-proof-grid {
                gap: 12px 16px;
            }
            .social-proof-item {
                font-size: 12px;
                padding: 8px 14px;
            }
        }

        /* Comparison */
        .comparison {
            background: var(--color-sand);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            max-width: 900px;
            margin: 0 auto;
        }

        .comparison-card {
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1.5px solid transparent;
        }

        .comparison-card.highlight {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 100%);
            border-color: var(--color-coral);
            color: #fff;
        }

        .comparison-card.plain {
            background: #FFFFFF;
            border-color: rgba(229, 221, 208, 0.5);
        }

        .comparison-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .comparison-card.highlight h3 {
            color: #FF9A80;
        }

        .comparison-card.plain h3 {
            color: var(--color-text);
        }

        .comparison-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .comparison-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.7;
        }

        .comparison-card.highlight .comparison-item {
            color: #E8F1F0;
        }

        .comparison-card.plain .comparison-item {
            color: var(--color-text-light);
        }

        .comparison-item i {
            margin-top: 4px;
            flex-shrink: 0;
        }

        .comparison-card.highlight .comparison-item i {
            color: #FF9A80;
        }

        .comparison-card.plain .comparison-item i {
            color: var(--color-coral);
        }

        @media (max-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .comparison-card {
                padding: 24px 20px;
            }
        }

        /* News Evidence */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(229, 221, 208, 0.5);
            display: flex;
            flex-direction: column;
        }

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

        .news-card .news-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
        }

        .news-card .news-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            transition: var(--transition);
        }

        .news-card:hover h3 {
            color: var(--color-coral);
        }

        .news-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: #9AAEB4;
            font-weight: 500;
        }

        .news-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-card .news-img {
                height: 160px;
            }
        }

        /* Match Topics */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .topic-card {
            background: var(--color-card);
            border-radius: 14px;
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(229, 221, 208, 0.5);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .topic-card .topic-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.08);
            padding: 4px 12px;
            border-radius: 12px;
            width: fit-content;
        }

        .topic-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
        }

        .topic-card p {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 768px) {
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* Data Tools */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tool-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(229, 221, 208, 0.5);
            display: flex;
            flex-direction: column;
            gap: 12px;
            text-align: center;
        }

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

        .tool-card .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(11, 60, 73, 0.08) 0%, rgba(255, 107, 74, 0.15) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            color: var(--color-coral);
            font-size: 20px;
        }

        .tool-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
        }

        .tool-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .tool-card {
                padding: 22px 18px;
            }
        }

        /* Editor Picks */
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .editor-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(229, 221, 208, 0.5);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .editor-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            transition: var(--transition);
            line-height: 1.5;
        }

        .editor-card:hover h3 {
            color: var(--color-coral);
        }

        .editor-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .editor-tag {
            font-size: 12px;
            font-weight: 600;
            color: #6B8A94;
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .editor-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .editor-card {
                padding: 18px;
            }
        }

        /* FAQ */
        .faq-section {
            background: #FFFFFF;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: 12px;
            border: 1px solid rgba(229, 221, 208, 0.5);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 107, 74, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            transition: var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--color-coral);
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            transition: transform 0.3s ease;
            color: var(--color-text-light);
            font-size: 14px;
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-coral);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--color-text-light);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
                font-size: 13px;
            }
        }

        /* Guarantee */
        .guarantee {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 100%);
            padding: 48px 0;
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .guarantee-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            padding: 16px;
        }

        .guarantee-item i {
            font-size: 26px;
            color: #FF9A80;
        }

        .guarantee-item span {
            font-size: 14px;
            font-weight: 600;
            color: #E8F1F0;
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .guarantee-item i {
                font-size: 22px;
            }
            .guarantee-item span {
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
        }

        /* Bottom Fixed Bar */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 100%);
            border-top: 1px solid rgba(215, 238, 236, 0.12);
            padding: 14px 0;
            box-shadow: 0 -4px 20px rgba(11, 60, 73, 0.15);
        }

        .bottom-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .bottom-bar-text {
            color: #E8F1F0;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .bottom-bar-text strong {
            color: #FF9A80;
            font-weight: 700;
        }

        .bottom-bar .btn-primary {
            padding: 10px 22px;
            font-size: 14px;
            white-space: nowrap;
        }

        @media (max-width: 768px) {
            .bottom-bar {
                padding: 10px 0;
            }
            .bottom-bar .container {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .bottom-bar-text {
                font-size: 13px;
            }
            .bottom-bar .btn-primary {
                width: 100%;
                justify-content: center;
                padding: 10px 16px;
                font-size: 13px;
            }
        }

        /* Footer */
        .site-footer {
            background: linear-gradient(180deg, var(--color-deep-3) 0%, #061E26 100%);
            color: #E8F1F0;
            padding: 56px 0 32px;
            border-top: 1px solid rgba(215, 238, 236, 0.1);
        }

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

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #C4DAD8;
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: #C4DAD8;
            padding: 4px 0;
            transition: var(--transition);
            letter-spacing: 0.2px;
        }

        .footer-col a:hover {
            color: var(--color-coral);
        }

        .footer-bottom {
            border-top: 1px solid rgba(215, 238, 236, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: #8FAEB4;
        }

        .footer-bottom a {
            color: #C4DAD8;
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-coral);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category1 */
:root {
            --color-deep: #0B3C49;
            --color-deep-2: #0E4D5A;
            --color-deep-3: #0A3340;
            --color-coral: #FF6B4A;
            --color-coral-hover: #E85C3B;
            --color-foam: #D7EEEC;
            --color-sand: #F7F3EC;
            --color-card: #FBF8F3;
            --color-text: #1A2E35;
            --color-text-light: #5A6E75;
            --color-white: #FFFFFF;
            --color-border: #E5DDD0;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 30px rgba(11, 60, 73, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(11, 60, 73, 0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.25s ease;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        
        body {
            font-family: var(--font-sans);
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 72px;
            padding-bottom: 80px;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 3px solid var(--color-coral);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 50%, var(--color-deep-2) 100%);
            border-bottom: 1px solid rgba(215, 238, 236, 0.12);
            height: 72px;
            display: flex;
            align-items: center;
        }
        
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
        }
        
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 2px 12px rgba(255, 107, 74, 0.35);
        }
        
        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .header-nav a {
            color: #E8F1F0;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        
        .header-nav a:hover {
            color: #fff;
            background: rgba(215, 238, 236, 0.1);
        }
        
        .header-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.1);
            font-weight: 600;
        }
        
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 20px;
            border-radius: 10px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
            letter-spacing: 0.3px;
        }
        
        .header-cta:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            box-shadow: 0 6px 24px rgba(232, 92, 59, 0.4);
            transform: translateY(-1px);
        }
        
        .mobile-toggle {
            display: none;
            color: #E8F1F0;
            font-size: 26px;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        
        .mobile-toggle:hover {
            background: rgba(215, 238, 236, 0.1);
        }
        
        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-deep-3);
            z-index: 999;
            padding: 24px 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        
        .mobile-nav.open {
            display: flex;
        }
        
        .mobile-nav a {
            color: #E8F1F0;
            font-size: 17px;
            font-weight: 500;
            padding: 14px 16px;
            border-radius: 8px;
            transition: var(--transition);
        }
        
        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: rgba(255, 107, 74, 0.1);
            color: var(--color-coral);
        }
        
        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
            font-size: 14px;
            color: var(--color-text-light);
        }
        
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .breadcrumb-bar a {
            color: var(--color-deep);
            font-weight: 500;
            transition: var(--transition);
        }
        
        .breadcrumb-bar a:hover {
            color: var(--color-coral);
        }
        
        .breadcrumb-bar span.sep {
            color: #B8A898;
        }
        
        .breadcrumb-bar span.current {
            color: var(--color-coral);
            font-weight: 600;
        }
        
        /* Category Hero Banner */
        .category-banner {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 55%, var(--color-deep-2) 100%);
            min-height: 280px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(215, 238, 236, 0.12);
        }
        
        .category-banner::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 74, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .category-banner .container {
            position: relative;
            z-index: 1;
        }
        
        .category-banner h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        
        .category-banner .banner-desc {
            font-size: 16px;
            color: rgba(215, 238, 236, 0.85);
            max-width: 680px;
            line-height: 1.8;
        }
        
        /* Section Common */
        .section {
            padding: 64px 0;
        }
        
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-light);
            margin-bottom: 36px;
            line-height: 1.7;
        }
        
        /* List Cards */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .article-item {
            display: flex;
            gap: 24px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        
        .article-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(255, 107, 74, 0.25);
        }
        
        .article-thumb {
            width: 220px;
            min-width: 220px;
            height: 150px;
            border-radius: 12px;
            overflow: hidden;
            background: var(--color-foam);
        }
        
        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .article-item:hover .article-thumb img {
            transform: scale(1.05);
        }
        
        .article-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .article-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 8px;
            width: fit-content;
            letter-spacing: 0.5px;
        }
        
        .article-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        
        .article-item:hover .article-title {
            color: var(--color-coral);
        }
        
        .article-summary {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: #8B9FA6;
        }
        
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        
        /* Data Snapshot */
        .data-snapshot {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 16px;
        }
        
        .snapshot-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        
        .snapshot-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        
        .snapshot-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-deep);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }
        
        .snapshot-label {
            font-size: 14px;
            color: var(--color-text-light);
            font-weight: 500;
        }
        
        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }
        
        .tag-link {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-deep);
            background: var(--color-card);
            padding: 8px 18px;
            border-radius: 30px;
            border: 1px solid var(--color-border);
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        
        .tag-link:hover {
            border-color: var(--color-coral);
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.05);
            transform: translateY(-1px);
        }
        
        /* Editor Picks */
        .editor-picks {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        
        .pick-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        
        .pick-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        
        .pick-thumb {
            width: 100%;
            height: 180px;
            overflow: hidden;
            background: var(--color-foam);
        }
        
        .pick-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .pick-card:hover .pick-thumb img {
            transform: scale(1.06);
        }
        
        .pick-body {
            padding: 20px;
        }
        
        .pick-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        
        .pick-card:hover .pick-title {
            color: var(--color-coral);
        }
        
        .pick-excerpt {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        
        .pick-meta {
            font-size: 12px;
            color: #8B9FA6;
        }
        
        /* FAQ */
        .faq-block {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 32px;
            margin-top: 16px;
        }
        
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 18px 0;
        }
        
        .faq-item:last-child {
            border-bottom: none;
        }
        
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            transition: var(--transition);
            gap: 16px;
        }
        
        .faq-question:hover {
            color: var(--color-coral);
        }
        
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-foam);
            color: var(--color-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 16px;
            color: var(--color-text-light);
            font-size: 15px;
            line-height: 1.8;
        }
        
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px;
        }
        
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--color-coral);
            color: #fff;
        }
        
        /* Bottom Fixed CTA */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 100%);
            border-top: 1px solid rgba(215, 238, 236, 0.15);
            padding: 14px 0;
            z-index: 900;
            box-shadow: 0 -4px 24px rgba(11, 60, 73, 0.2);
        }
        
        .bottom-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        
        .bottom-cta-text {
            color: #E8F1F0;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        
        .bottom-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: 10px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 107, 74, 0.35);
            letter-spacing: 0.3px;
        }
        
        .bottom-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 92, 59, 0.45);
        }
        
        /* Footer */
        .site-footer {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 50%, var(--color-deep-2) 100%);
            color: #E8F1F0;
            margin-top: 64px;
            border-top: 1px solid rgba(215, 238, 236, 0.12);
        }
        
        .site-footer .container {
            padding-top: 56px;
            padding-bottom: 24px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        
        .footer-brand p {
            font-size: 14px;
            color: rgba(215, 238, 236, 0.75);
            line-height: 1.8;
            max-width: 320px;
        }
        
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(215, 238, 236, 0.75);
            padding: 6px 0;
            transition: var(--transition);
        }
        
        .footer-col a:hover {
            color: var(--color-coral);
            transform: translateX(4px);
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(215, 238, 236, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(215, 238, 236, 0.6);
        }
        
        .footer-bottom a {
            color: rgba(215, 238, 236, 0.75);
            transition: var(--transition);
        }
        
        .footer-bottom a:hover {
            color: var(--color-coral);
        }
        
        .footer-links {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .header-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .data-snapshot {
                grid-template-columns: repeat(2, 1fr);
            }
            .editor-picks {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 768px) {
            body {
                padding-top: 60px;
                padding-bottom: 70px;
            }
            .container {
                padding: 0 16px;
            }
            .site-header {
                height: 60px;
            }
            .mobile-nav {
                top: 60px;
            }
            .category-banner {
                min-height: 240px;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .category-banner .banner-desc {
                font-size: 14px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .article-item {
                flex-direction: column;
                gap: 16px;
                padding: 16px;
            }
            .article-thumb {
                width: 100%;
                min-width: 100%;
                height: 180px;
            }
            .article-title {
                font-size: 18px;
            }
            .data-snapshot {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .snapshot-number {
                font-size: 28px;
            }
            .editor-picks {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-links {
                margin-left: 0;
            }
            .bottom-cta-bar {
                padding: 10px 0;
            }
            .bottom-cta-text {
                font-size: 13px;
            }
            .bottom-cta-btn {
                font-size: 13px;
                padding: 8px 16px;
            }
        }
        
        @media (max-width: 520px) {
            body {
                padding-top: 56px;
                padding-bottom: 60px;
            }
            .site-header {
                height: 56px;
            }
            .mobile-nav {
                top: 56px;
            }
            .header-logo {
                font-size: 18px;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .category-banner {
                min-height: 220px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 21px;
            }
            .data-snapshot {
                grid-template-columns: 1fr;
            }
            .bottom-cta-btn {
                font-size: 12px;
                padding: 8px 12px;
            }
            .bottom-cta-text {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --color-deep: #0B3C49;
            --color-deep-2: #0E4D5A;
            --color-deep-3: #0A3340;
            --color-coral: #FF6B4A;
            --color-coral-hover: #E85C3B;
            --color-foam: #D7EEEC;
            --color-sand: #F7F3EC;
            --color-card: #FBF8F3;
            --color-text: #1A2E35;
            --color-text-light: #5A6E75;
            --color-white: #FFFFFF;
            --color-border: #E5DDD0;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 30px rgba(11, 60, 73, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(11, 60, 73, 0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 72px;
            padding-bottom: 80px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-coral);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 50%, var(--color-deep-2) 100%);
            border-bottom: 1px solid rgba(215, 238, 236, 0.12);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 2px 12px rgba(255, 107, 74, 0.35);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .header-nav a {
            color: #E8F1F0;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .header-nav a:hover {
            color: #fff;
            background: rgba(215, 238, 236, 0.1);
        }
        .header-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.1);
            font-weight: 600;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 20px;
            border-radius: 10px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
            letter-spacing: 0.3px;
        }
        .header-cta:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            box-shadow: 0 6px 24px rgba(232, 92, 59, 0.4);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            color: #E8F1F0;
            font-size: 26px;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(215, 238, 236, 0.1);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-deep-3);
            z-index: 999;
            padding: 24px 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            color: #E8F1F0;
            font-size: 17px;
            font-weight: 500;
            padding: 14px 16px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background: rgba(215, 238, 236, 0.1);
            color: #fff;
        }
        .mobile-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.12);
        }

        /* Category Banner */
        .category-banner {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 55%, var(--color-deep-2) 100%);
            min-height: 280px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(255, 107, 74, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(215, 238, 236, 0.15) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 56px 0;
        }
        .category-banner h1 {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .category-banner .banner-desc {
            font-size: 16px;
            color: #D7EEEC;
            max-width: 620px;
            line-height: 1.85;
        }
        .category-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 107, 74, 0.15);
            color: #FF9B82;
            border: 1px solid rgba(255, 107, 74, 0.35);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
            font-size: 14px;
            color: var(--color-text-light);
        }
        .breadcrumb-bar a {
            color: var(--color-deep-2);
            font-weight: 500;
        }
        .breadcrumb-bar a:hover {
            color: var(--color-coral);
        }
        .breadcrumb-bar .separator {
            margin: 0 10px;
            color: #B0BEC5;
        }

        /* List Card */
        .article-list-item {
            display: flex;
            gap: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            margin-bottom: 20px;
            border: 1px solid rgba(229, 221, 208, 0.4);
        }
        .article-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .article-list-item .thumb {
            width: 220px;
            min-height: 150px;
            flex-shrink: 0;
            border-radius: 12px;
            overflow: hidden;
            background: var(--color-foam);
        }
        .article-list-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 150px;
        }
        .article-list-item .content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-list-item .content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .article-list-item .content h3 a:hover {
            color: var(--color-coral);
        }
        .article-list-item .content p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-list-item .meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #8A9BA3;
        }
        .article-list-item .meta .tag {
            background: var(--color-foam);
            color: var(--color-deep-2);
            padding: 3px 12px;
            border-radius: 14px;
            font-weight: 500;
            font-size: 12px;
        }

        /* Data Snapshot */
        .data-snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-snapshot-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(229, 221, 208, 0.35);
            transition: var(--transition);
        }
        .data-snapshot-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .data-snapshot-card .icon-box {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-foam);
            color: var(--color-deep-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 14px;
        }
        .data-snapshot-card .number {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-deep);
            line-height: 1.2;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }
        .data-snapshot-card .label {
            font-size: 14px;
            color: var(--color-text-light);
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .tag-cloud .tag-item {
            background: #fff;
            color: var(--color-deep-2);
            padding: 8px 18px;
            border-radius: 22px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .tag-cloud .tag-item:hover {
            background: var(--color-foam);
            border-color: var(--color-deep-2);
            transform: translateY(-1px);
        }

        /* Editor Picks */
        .editor-pick-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(229, 221, 208, 0.35);
            display: flex;
            flex-direction: column;
        }
        .editor-pick-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .editor-pick-card .pick-thumb {
            height: 180px;
            background: var(--color-foam);
            overflow: hidden;
        }
        .editor-pick-card .pick-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .editor-pick-card .pick-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .editor-pick-card .pick-body h4 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .editor-pick-card .pick-body p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            flex: 1;
        }
        .editor-pick-card .pick-meta {
            margin-top: 12px;
            font-size: 12px;
            color: #8A9BA3;
            display: flex;
            gap: 14px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: 0 2px 12px rgba(11, 60, 73, 0.04);
        }
        .faq-item.open {
            border-color: var(--color-deep-2);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-text);
            gap: 16px;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-foam);
            color: var(--color-deep-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--color-coral);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
            color: var(--color-text-light);
            font-size: 15px;
            line-height: 1.85;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* Section */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-light);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--color-deep-3);
            color: #C5D6D8;
            padding: 48px 0 20px;
            margin-top: 40px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(215, 238, 236, 0.12);
        }
        .site-footer h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .site-footer h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: #A5BCBF;
            max-width: 360px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: #A5BCBF;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-coral);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            padding-top: 20px;
            font-size: 13px;
            color: #8BA3A8;
        }
        .footer-bottom a {
            color: #8BA3A8;
        }
        .footer-bottom a:hover {
            color: var(--color-coral);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Sticky CTA */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--color-deep-3);
            z-index: 900;
            border-top: 1px solid rgba(215, 238, 236, 0.12);
            padding: 12px 0;
        }
        .sticky-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .sticky-cta-bar .cta-text {
            color: #E8F1F0;
            font-size: 15px;
            font-weight: 500;
            line-height: 1.5;
        }
        .sticky-cta-bar .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
            white-space: nowrap;
        }
        .sticky-cta-bar .cta-btn:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(232, 92, 59, 0.4);
        }
        .sticky-cta-fab {
            display: none;
            position: fixed;
            right: 20px;
            bottom: 24px;
            z-index: 950;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 20px;
            border-radius: 50px;
            box-shadow: 0 8px 24px rgba(255, 107, 74, 0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .sticky-cta-fab:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            transform: translateY(-2px);
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .header-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .data-snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            body {
                padding-top: 60px;
                padding-bottom: 64px;
            }
            .site-header {
                height: 60px;
            }
            .mobile-nav {
                top: 60px;
            }
            .container {
                padding: 0 16px;
            }
            .category-banner {
                min-height: 240px;
            }
            .category-banner h1 {
                font-size: 28px;
                letter-spacing: 0;
            }
            .category-banner .banner-desc {
                font-size: 14px;
                line-height: 1.7;
            }
            .category-banner .banner-content {
                padding: 36px 0;
            }
            .article-list-item {
                flex-direction: column;
                gap: 16px;
                padding: 18px;
            }
            .article-list-item .thumb {
                width: 100%;
                min-height: 0;
                aspect-ratio: 16/9;
            }
            .article-list-item .thumb img {
                min-height: auto;
                aspect-ratio: 16/9;
            }
            .article-list-item .content h3 {
                font-size: 18px;
            }
            .data-snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-snapshot-card {
                padding: 18px 14px;
            }
            .data-snapshot-card .number {
                font-size: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .sticky-cta-bar {
                display: none;
            }
            .sticky-cta-fab {
                display: inline-flex;
            }
            .breadcrumb-bar {
                font-size: 13px;
                padding: 10px 0;
            }
        }
        @media (max-width: 520px) {
            .data-snapshot-grid {
                grid-template-columns: 1fr;
            }
            .category-banner h1 {
                font-size: 24px;
            }
            .header-logo {
                font-size: 18px;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --color-deep: #0B3C49;
            --color-deep-2: #0E4D5A;
            --color-deep-3: #0A3340;
            --color-coral: #FF6B4A;
            --color-coral-hover: #E85C3B;
            --color-foam: #D7EEEC;
            --color-sand: #F7F3EC;
            --color-card: #FBF8F3;
            --color-text: #1A2E35;
            --color-text-light: #5A6E75;
            --color-white: #FFFFFF;
            --color-border: #E5DDD0;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 30px rgba(11, 60, 73, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(11, 60, 73, 0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.25s ease;
        }

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

        body {
            font-family: var(--font-sans);
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 72px;
            padding-bottom: 80px;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-coral);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 50%, var(--color-deep-2) 100%);
            border-bottom: 1px solid rgba(215, 238, 236, 0.12);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 2px 12px rgba(255, 107, 74, 0.35);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .header-nav a {
            color: #E8F1F0;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .header-nav a:hover {
            color: #fff;
            background: rgba(215, 238, 236, 0.1);
        }

        .header-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.1);
            font-weight: 600;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 20px;
            border-radius: 10px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
            letter-spacing: 0.3px;
        }

        .header-cta:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            box-shadow: 0 6px 24px rgba(232, 92, 59, 0.4);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            color: #E8F1F0;
            font-size: 26px;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(215, 238, 236, 0.1);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-deep-3);
            z-index: 999;
            padding: 24px 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav a {
            color: #E8F1F0;
            font-size: 17px;
            font-weight: 500;
            padding: 14px 16px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-nav a:hover {
            background: rgba(215, 238, 236, 0.08);
            color: #fff;
        }

        .mobile-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.1);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-light);
        }

        .breadcrumb a {
            color: var(--color-deep);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--color-coral);
        }
        .breadcrumb .separator {
            color: #B0BEC5;
        }
        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 600;
        }

        /* Category Banner */
        .cat-banner {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 55%, var(--color-deep-2) 100%);
            min-height: 280px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cat-banner::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 50%;
            background: linear-gradient(90deg, transparent 0%, rgba(11, 60, 73, 0.7) 100%);
            pointer-events: none;
        }

        .cat-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 48px 0;
        }

        .cat-banner h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .cat-banner .sub-desc {
            font-size: 16px;
            color: #D7EEEC;
            max-width: 560px;
            line-height: 1.8;
            margin: 0;
        }

        /* Section base */
        .section {
            padding: 56px 0;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-deep);
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-light);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        /* Article list card */
        .article-list-card {
            display: flex;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 16px;
            gap: 20px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
        }

        .article-list-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 107, 74, 0.25);
        }

        .article-list-card .cover-wrap {
            flex-shrink: 0;
            width: 220px;
            height: 150px;
            border-radius: 12px;
            overflow: hidden;
            background: var(--color-foam);
        }

        .article-list-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-list-card .info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-list-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-deep);
            margin-bottom: 8px;
            transition: var(--transition);
            line-height: 1.5;
        }

        .article-list-card:hover h3 {
            color: var(--color-coral);
        }

        .article-list-card .summary {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-list-card .meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: #8A9BA1;
        }

        .article-list-card .meta .tag {
            background: rgba(255, 107, 74, 0.1);
            color: var(--color-coral);
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: 500;
            font-size: 12px;
        }

        /* Data snapshot */
        .data-snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-snapshot-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .data-snapshot-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .data-snapshot-item .number {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-coral);
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
        }
        .data-snapshot-item .label {
            font-size: 14px;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-deep);
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--color-deep);
            color: #fff;
            border-color: var(--color-deep);
        }

        /* Editor recommendation */
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .editor-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .editor-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .editor-card .cover {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--color-foam);
        }
        .editor-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .editor-card .content {
            padding: 18px 20px;
        }
        .editor-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-deep);
            margin-bottom: 8px;
            transition: var(--transition);
            line-height: 1.5;
        }
        .editor-card:hover h3 {
            color: var(--color-coral);
        }
        .editor-card .meta {
            font-size: 13px;
            color: #8A9BA1;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Related entries */
        .related-entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-entry-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .related-entry-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .related-entry-card .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(11, 60, 73, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-deep);
            font-size: 20px;
            margin-bottom: 14px;
        }
        .related-entry-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-deep);
            margin-bottom: 8px;
        }
        .related-entry-card p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* FAQ */
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item .faq-question {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-deep);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            background: rgba(255, 107, 74, 0.04);
        }
        .faq-item .faq-question .arrow {
            flex-shrink: 0;
            transition: var(--transition);
            color: var(--color-coral);
            font-size: 14px;
        }
        .faq-item .faq-question.active .arrow {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 22px;
        }
        .faq-item .faq-answer.open {
            max-height: 200px;
            padding-bottom: 18px;
        }
        .faq-item .faq-answer p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin: 0;
            padding-top: 6px;
        }

        /* Footer */
        .site-footer {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 55%, var(--color-deep-2) 100%);
            color: #D7EEEC;
            padding: 48px 0 32px;
            margin-top: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: #B8D4D0;
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: #B8D4D0;
            font-size: 14px;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-coral);
        }
        .footer-bottom {
            border-top: 1px solid rgba(215, 238, 236, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: #A8C4C0;
        }
        .footer-bottom a {
            color: #A8C4C0;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--color-coral);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 8px 12px;
                font-size: 14px;
            }
            .data-snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .editor-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 64px;
                padding-bottom: 72px;
            }
            .site-header {
                height: 64px;
            }
            .site-header .container {
                gap: 12px;
            }
            .header-logo {
                font-size: 19px;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .header-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-nav {
                top: 64px;
            }
            .cat-banner {
                min-height: 240px;
            }
            .cat-banner h1 {
                font-size: 30px;
            }
            .cat-banner .sub-desc {
                font-size: 14px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .article-list-card {
                flex-direction: column;
                gap: 14px;
            }
            .article-list-card .cover-wrap {
                width: 100%;
                height: 180px;
            }
            .article-list-card h3 {
                font-size: 17px;
            }
            .article-list-card .summary {
                -webkit-line-clamp: 3;
            }
            .editor-grid {
                grid-template-columns: 1fr;
            }
            .related-entry-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-links {
                margin-left: 0;
            }
        }

        @media (max-width: 520px) {
            body {
                padding-top: 60px;
                padding-bottom: 64px;
            }
            .container {
                padding: 0 16px;
            }
            .site-header {
                height: 60px;
            }
            .mobile-nav {
                top: 60px;
            }
            .header-logo {
                font-size: 17px;
                gap: 6px;
            }
            .header-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }
            .cat-banner {
                min-height: 220px;
            }
            .cat-banner h1 {
                font-size: 26px;
            }
            .cat-banner .sub-desc {
                font-size: 13px;
            }
            .section-title {
                font-size: 20px;
            }
            .article-list-card {
                padding: 12px;
            }
            .article-list-card .cover-wrap {
                height: 160px;
            }
            .data-snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-snapshot-item {
                padding: 16px;
            }
            .data-snapshot-item .number {
                font-size: 26px;
            }
        }

/* roulang page: category4 */
:root {
            --color-deep: #0B3C49;
            --color-deep-2: #0E4D5A;
            --color-deep-3: #0A3340;
            --color-coral: #FF6B4A;
            --color-coral-hover: #E85C3B;
            --color-foam: #D7EEEC;
            --color-sand: #F7F3EC;
            --color-card: #FBF8F3;
            --color-text: #1A2E35;
            --color-text-light: #5A6E75;
            --color-white: #FFFFFF;
            --color-border: #E5DDD0;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 30px rgba(11, 60, 73, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(11, 60, 73, 0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 72px;
            padding-bottom: 88px;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-coral);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            body {
                padding-top: 64px;
                padding-bottom: 72px;
            }
        }
        @media (max-width: 400px) {
            body {
                padding-top: 60px;
                padding-bottom: 64px;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 50%, var(--color-deep-2) 100%);
            border-bottom: 1px solid rgba(215, 238, 236, 0.12);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 2px 12px rgba(255, 107, 74, 0.35);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .header-nav a {
            color: #E8F1F0;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .header-nav a:hover {
            color: #fff;
            background: rgba(215, 238, 236, 0.1);
        }
        .header-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.1);
            font-weight: 600;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 20px;
            border-radius: 10px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
            letter-spacing: 0.3px;
        }
        .header-cta:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            box-shadow: 0 6px 24px rgba(232, 92, 59, 0.4);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            color: #E8F1F0;
            font-size: 26px;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(215, 238, 236, 0.1);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-deep-3);
            z-index: 999;
            padding: 24px 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            color: #E8F1F0;
            font-size: 17px;
            font-weight: 500;
            padding: 14px 16px;
            border-radius: 10px;
            transition: var(--transition);
            letter-spacing: 0.5px;
        }
        .mobile-nav a:hover {
            background: rgba(215, 238, 236, 0.1);
        }
        .mobile-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.1);
            font-weight: 600;
        }
        @media (max-width: 1023px) {
            .header-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background-color: var(--color-sand);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--color-deep-2);
            font-weight: 500;
        }
        .breadcrumb-bar a:hover {
            color: var(--color-coral);
        }
        .breadcrumb-bar .separator {
            color: #B8AFA0;
            user-select: none;
        }
        .breadcrumb-bar .current {
            color: var(--color-text);
            font-weight: 600;
        }

        /* Category Banner (窄横幅) */
        .category-banner {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 55%, var(--color-deep-2) 100%);
            min-height: 280px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/82cf7316831fb065.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }
        .category-banner .container {
            position: relative;
            z-index: 1;
            padding-top: 36px;
            padding-bottom: 36px;
        }
        .category-banner h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            margin: 0 0 12px;
            line-height: 1.2;
        }
        .category-banner .banner-desc {
            font-size: 17px;
            color: #D7EEEC;
            max-width: 680px;
            line-height: 1.8;
            opacity: 0.9;
            margin: 0;
        }
        .category-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 107, 74, 0.2);
            color: var(--color-coral);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .category-banner {
                min-height: 240px;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .category-banner .banner-desc {
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            .category-banner {
                min-height: 220px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner .banner-desc {
                font-size: 14px;
            }
        }

        /* Section Common */
        .section {
            padding: 56px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .section-head .section-sub {
            font-size: 15px;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-head h2 {
                font-size: 23px;
            }
        }

        /* News List Cards */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            padding: 0;
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: #CFC4AE;
        }
        .news-card .news-thumb {
            flex-shrink: 0;
            width: 220px;
            min-height: 160px;
            background: var(--color-foam);
            overflow: hidden;
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.03);
        }
        .news-card .news-body {
            flex: 1;
            padding: 20px 24px 16px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-card .news-tag {
            display: inline-block;
            background: rgba(11, 60, 73, 0.08);
            color: var(--color-deep-2);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .news-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
            line-height: 1.4;
            transition: var(--transition);
        }
        .news-card:hover h3 {
            color: var(--color-coral);
        }
        .news-card .news-summary {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-meta {
            font-size: 13px;
            color: #8A9A9E;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .news-card .news-meta i {
            margin-right: 4px;
            font-size: 12px;
        }
        @media (max-width: 768px) {
            .news-card {
                flex-direction: column;
                gap: 0;
            }
            .news-card .news-thumb {
                width: 100%;
                min-height: 180px;
                max-height: 220px;
            }
            .news-card .news-body {
                padding: 16px 18px 18px;
            }
            .news-card h3 {
                font-size: 17px;
            }
        }

        /* Data Snapshot */
        .data-snapshot {
            background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-deep-2) 100%);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-item {
            text-align: center;
        }
        .data-item .data-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-coral);
            line-height: 1.2;
            letter-spacing: 1px;
        }
        .data-item .data-label {
            font-size: 14px;
            color: #D7EEEC;
            opacity: 0.85;
            margin-top: 6px;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .data-snapshot {
                grid-template-columns: repeat(2, 1fr);
                padding: 24px 18px;
                gap: 16px;
            }
            .data-item .data-num {
                font-size: 28px;
            }
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag-pill {
            display: inline-block;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 30px;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .tag-cloud .tag-pill:hover {
            background: var(--color-coral);
            color: #fff;
            border-color: var(--color-coral);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 107, 74, 0.25);
        }

        /* Editor Picks */
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .editor-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .editor-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .editor-card .editor-thumb {
            width: 100%;
            height: 180px;
            background: var(--color-foam);
            overflow: hidden;
        }
        .editor-card .editor-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .editor-card:hover .editor-thumb img {
            transform: scale(1.04);
        }
        .editor-card .editor-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .editor-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.45;
            transition: var(--transition);
        }
        .editor-card:hover h3 {
            color: var(--color-coral);
        }
        .editor-card .editor-excerpt {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0 0 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .editor-card .editor-meta {
            font-size: 13px;
            color: #8A9A9E;
            display: flex;
            align-items: center;
            gap: 14px;
        }
        @media (max-width: 768px) {
            .editor-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .editor-card .editor-thumb {
                height: 160px;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: #C8BCA4;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            background: none;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--color-coral);
            transition: var(--transition);
            font-size: 14px;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 260px;
            padding-bottom: 20px;
        }

        /* Related Entry */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: #CFC4AE;
        }
        .related-card .related-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(11, 60, 73, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-deep-2);
            font-size: 20px;
            flex-shrink: 0;
        }
        .related-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .related-card p {
            font-size: 13px;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Footer */
        .site-footer {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 55%, var(--color-deep-2) 100%);
            color: #D7EEEC;
            padding: 48px 0 28px;
            margin-top: 8px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(215, 238, 236, 0.12);
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #B8D4D2;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: #B8D4D2;
            font-size: 14px;
            padding: 5px 0;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .footer-col a:hover {
            color: var(--color-coral);
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #9BB8B5;
            letter-spacing: 0.3px;
        }
        .footer-bottom a {
            color: #D7EEEC;
            font-weight: 500;
        }
        .footer-bottom a:hover {
            color: var(--color-coral);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }
        .footer-links span {
            color: #5A7A76;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-links {
                margin-left: 0;
            }
        }

        /* Bottom Fixed CTA Bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 950;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 60%, var(--color-deep-2) 100%);
            border-top: 1px solid rgba(215, 238, 236, 0.15);
            padding: 12px 0;
            box-shadow: 0 -4px 20px rgba(11, 60, 73, 0.18);
        }
        .bottom-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .bottom-cta-bar .cta-text {
            font-size: 15px;
            color: #E8F1F0;
            letter-spacing: 0.3px;
            font-weight: 500;
        }
        .bottom-cta-bar .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 10px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 107, 74, 0.3);
        }
        .bottom-cta-bar .cta-btn:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            box-shadow: 0 6px 20px rgba(232, 92, 59, 0.4);
            transform: translateY(-1px);
        }
        @media (max-width: 640px) {
            .bottom-cta-bar {
                padding: 10px 0;
            }
            .bottom-cta-bar .cta-text {
                font-size: 13px;
            }
            .bottom-cta-bar .cta-btn {
                font-size: 13px;
                padding: 8px 16px;
                white-space: nowrap;
            }
        }
        @media (max-width: 400px) {
            .bottom-cta-bar .cta-text {
                display: none;
            }
            .bottom-cta-bar .container {
                justify-content: center;
            }
        }

        /* View More Button */
        .view-more-wrapper {
            text-align: center;
            margin-top: 24px;
        }
        .view-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 2px solid var(--color-deep-2);
            color: var(--color-deep-2);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 10px;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .view-more-btn:hover {
            background: var(--color-deep-2);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(11, 60, 73, 0.22);
        }
        .view-more-btn i {
            font-size: 14px;
        }

/* roulang page: category5 */
:root {
            --color-deep: #0B3C49;
            --color-deep-2: #0E4D5A;
            --color-deep-3: #0A3340;
            --color-coral: #FF6B4A;
            --color-coral-hover: #E85C3B;
            --color-foam: #D7EEEC;
            --color-sand: #F7F3EC;
            --color-card: #FBF8F3;
            --color-text: #1A2E35;
            --color-text-light: #5A6E75;
            --color-white: #FFFFFF;
            --color-border: #E5DDD0;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 30px rgba(11, 60, 73, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(11, 60, 73, 0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.25s ease;
        }

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

        body {
            font-family: var(--font-sans);
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-sand);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 72px;
            padding-bottom: 88px;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--color-coral);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 50%, var(--color-deep-2) 100%);
            border-bottom: 1px solid rgba(215, 238, 236, 0.12);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 2px 12px rgba(255, 107, 74, 0.35);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .header-nav a {
            color: #E8F1F0;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .header-nav a:hover {
            color: #fff;
            background: rgba(215, 238, 236, 0.1);
        }

        .header-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.1);
            font-weight: 600;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 20px;
            border-radius: 10px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
            letter-spacing: 0.3px;
        }

        .header-cta:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            box-shadow: 0 6px 24px rgba(232, 92, 59, 0.4);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            color: #E8F1F0;
            font-size: 26px;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(215, 238, 236, 0.1);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-deep-3);
            z-index: 999;
            padding: 24px 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav a {
            color: #E8F1F0;
            font-size: 17px;
            font-weight: 500;
            padding: 14px 16px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-nav a:hover {
            background: rgba(215, 238, 236, 0.1);
        }

        .mobile-nav a.active {
            color: var(--color-coral);
            background: rgba(255, 107, 74, 0.1);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding: 10px 0;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--color-text-light);
            transition: var(--transition);
        }

        .breadcrumb-bar a:hover {
            color: var(--color-coral);
        }

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

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

        /* Category Banner */
        .category-banner {
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 55%, var(--color-deep-2) 100%);
            min-height: 264px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            border-bottom: 3px solid rgba(255, 107, 74, 0.35);
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: linear-gradient(270deg, rgba(11, 60, 73, 0.05) 0%, rgba(11, 60, 73, 0.6) 70%);
            pointer-events: none;
        }

        .category-banner .banner-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            object-fit: cover;
            opacity: 0.22;
            pointer-events: none;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 264px;
            padding-top: 36px;
            padding-bottom: 36px;
        }

        .category-banner h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 1px;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .category-banner .banner-desc {
            font-size: 16px;
            color: #D7EEEC;
            max-width: 580px;
            line-height: 1.8;
        }

        /* Article List */
        .article-list-section {
            padding: 48px 0 56px;
            background-color: var(--color-sand);
        }

        .article-list-section .section-head {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .article-list-section .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
        }

        .article-list-section .section-head .count {
            font-size: 14px;
            color: var(--color-text-light);
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-card {
            display: flex;
            gap: 24px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid rgba(229, 221, 208, 0.5);
        }

        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(255, 107, 74, 0.25);
        }

        .article-card .thumb {
            flex-shrink: 0;
            width: 220px;
            min-height: 150px;
            object-fit: cover;
            border-radius: 12px 0 0 12px;
        }

        .article-card .content {
            padding: 20px 20px 18px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }

        .article-card .content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: var(--transition);
        }

        .article-card:hover .content h3 {
            color: var(--color-coral);
        }

        .article-card .content .summary {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .content .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .article-card .content .meta .tag {
            display: inline-block;
            background: var(--color-foam);
            color: var(--color-deep);
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 12px;
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        .load-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 2px solid var(--color-deep);
            color: var(--color-deep);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .load-more-link:hover {
            background: rgba(11, 60, 73, 0.08);
            transform: translateY(-1px);
        }

        .load-more-link i {
            font-size: 14px;
            transition: var(--transition);
        }

        .load-more-link:hover i {
            transform: translateX(4px);
        }

        /* Data Snapshot */
        .data-snapshot-section {
            padding: 48px 0;
            background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-deep-2) 100%);
        }

        .data-snapshot-section .section-head h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }

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

        .snapshot-item {
            text-align: center;
            padding: 20px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            border: 1px solid rgba(215, 238, 236, 0.15);
            transition: var(--transition);
        }

        .snapshot-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .snapshot-item .number {
            font-size: 34px;
            font-weight: 700;
            color: var(--color-coral);
            line-height: 1.2;
            letter-spacing: 0.5px;
            font-variant-numeric: tabular-nums;
        }

        .snapshot-item .label {
            font-size: 14px;
            color: #D7EEEC;
            margin-top: 6px;
        }

        /* Tags Cloud */
        .tags-section {
            padding: 48px 0;
            background-color: var(--color-white);
        }

        .tags-section .section-head h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tags-cloud a {
            display: inline-block;
            background: var(--color-sand);
            color: var(--color-deep);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 20px;
            border-radius: 24px;
            transition: var(--transition);
            border: 1px solid var(--color-border);
        }

        .tags-cloud a:hover {
            background: var(--color-coral);
            color: #fff;
            border-color: var(--color-coral);
            box-shadow: 0 4px 14px rgba(255, 107, 74, 0.3);
            transform: translateY(-1px);
        }

        /* Editor Picks */
        .editor-picks-section {
            padding: 48px 0 56px;
            background-color: var(--color-sand);
        }

        .editor-picks-section .section-head h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .picks-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pick-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid rgba(229, 221, 208, 0.5);
        }

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

        .pick-card .pick-thumb {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }

        .pick-card .pick-body {
            padding: 18px 20px 20px;
        }

        .pick-card .pick-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: var(--transition);
        }

        .pick-card:hover .pick-body h3 {
            color: var(--color-coral);
        }

        .pick-card .pick-body p {
            font-size: 13px;
            color: var(--color-text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* FAQ Section */
        .faq-section {
            padding: 48px 0 56px;
            background-color: var(--color-white);
        }

        .faq-section .section-head h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-sand);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 107, 74, 0.35);
        }

        .faq-item details {
            width: 100%;
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-text);
            list-style: none;
            transition: var(--transition);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .arrow {
            font-size: 14px;
            color: var(--color-coral);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item details[open] summary .arrow {
            transform: rotate(180deg);
        }

        .faq-item summary:hover {
            color: var(--color-coral);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
        }

        /* Bottom Conversion Bar */
        .conversion-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            background: linear-gradient(135deg, var(--color-deep-3) 0%, var(--color-deep) 60%, var(--color-deep-2) 100%);
            border-top: 2px solid rgba(255, 107, 74, 0.5);
            padding: 12px 0;
            box-shadow: 0 -4px 24px rgba(11, 60, 73, 0.22);
        }

        .conversion-bar .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .conversion-bar .conv-text {
            color: #D7EEEC;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .conversion-bar .conv-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-coral) 0%, #FF8E72 100%);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255, 107, 74, 0.35);
            white-space: nowrap;
        }

        .conversion-bar .conv-cta:hover {
            background: linear-gradient(135deg, var(--color-coral-hover) 0%, #F07048 100%);
            box-shadow: 0 6px 24px rgba(232, 92, 59, 0.45);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: linear-gradient(180deg, var(--color-deep-3) 0%, #0A2A35 100%);
            color: #C5D8D6;
            padding: 52px 0 24px;
            border-top: 1px solid rgba(215, 238, 236, 0.1);
        }

        .site-footer .container {
            max-width: 1200px;
        }

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

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #9FB8B5;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: #9FB8B5;
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-coral);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(215, 238, 236, 0.1);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #8FA9A6;
        }

        .footer-bottom a {
            color: #8FA9A6;
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-coral);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links span {
            color: #5A6E75;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .picks-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 820px) {
            .header-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .category-banner .banner-desc {
                font-size: 14px;
            }
            .article-card {
                flex-direction: column;
            }
            .article-card .thumb {
                width: 100%;
                min-height: auto;
                height: 190px;
                border-radius: 12px 12px 0 0;
            }
            .article-card .content {
                padding: 16px 18px 18px;
            }
        }

        @media (max-width: 640px) {
            body {
                padding-top: 60px;
                padding-bottom: 76px;
            }
            .site-header {
                height: 60px;
            }
            .mobile-nav {
                top: 60px;
            }
            .container {
                padding: 0 16px;
            }
            .category-banner {
                min-height: 220px;
            }
            .category-banner .container {
                min-height: 220px;
                padding-top: 24px;
                padding-bottom: 24px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner .banner-desc {
                font-size: 13px;
                line-height: 1.7;
            }
            .article-list-section .section-head h2,
            .data-snapshot-section .section-head h2,
            .tags-section .section-head h2,
            .editor-picks-section .section-head h2,
            .faq-section .section-head h2 {
                font-size: 20px;
            }
            .snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .snapshot-item .number {
                font-size: 26px;
            }
            .picks-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .conversion-bar {
                padding: 10px 0;
            }
            .conversion-bar .container {
                gap: 10px;
                justify-content: flex-start;
            }
            .conversion-bar .conv-text {
                font-size: 13px;
            }
            .conversion-bar .conv-cta {
                padding: 8px 18px;
                font-size: 14px;
            }
            .article-card .content h3 {
                font-size: 17px;
            }
            .article-card .thumb {
                height: 160px;
            }
        }

        @media (max-width: 380px) {
            .category-banner h1 {
                font-size: 22px;
            }
            .snapshot-grid {
                grid-template-columns: 1fr;
            }
            .conversion-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }
        }