/* roulang page: index */
:root {
            --brand-deep: #171A22;
            --brand-charcoal: #1C1F28;
            --brand-purple: #4A2A6A;
            --brand-magenta: #C72D6A;
            --brand-pink: #E5356B;
            --brand-pink-hover: #FF3D77;
            --accent-lime: #B9F73E;
            --accent-lime-hover: #A8E62D;
            --bg-light: #F4F6F8;
            --bg-light-alt: #F7F8FA;
            --card-dark: #20242E;
            --card-light: #FFFFFF;
            --text-dark: #1A1D24;
            --text-muted: #5A6072;
            --text-dark-primary: #E8EAEE;
            --text-dark-muted: #B8BDC7;
            --border-light: #E1E4EA;
            --border-dark: #2A3040;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-btn: 0 4px 12px rgba(185,247,62,0.25);
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.35s ease;
            --section-pad-desktop: 96px;
            --section-pad-mobile: 56px;
            --nav-height-desktop: 68px;
            --nav-height-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
        }

        a:hover,
        a:focus {
            text-decoration: none;
            outline: none;
        }

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

        button,
        input,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.8;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-pink);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 0.5em;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--text-dark);
            letter-spacing: -0.015em;
        }

        h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-dark);
        }

        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
        }

        p {
            margin: 0 0 1.2em;
            color: var(--text-muted);
        }

        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--nav-height-desktop);
            background: linear-gradient(100deg, var(--brand-charcoal) 0%, var(--brand-purple) 52%, var(--brand-magenta) 100%);
            box-shadow: 0 2px 16px rgba(0,0,0,0.18);
            transition: box-shadow var(--transition-mid);
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            font-size: 18px;
            color: var(--accent-lime);
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .nav-logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .nav-logo:hover .logo-text,
        .nav-logo:focus .logo-text {
            color: var(--accent-lime);
        }

        .nav-menu-toggle {
            display: none;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 6px;
            color: #fff;
            font-size: 22px;
            width: 46px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .nav-menu-toggle:hover {
            background: rgba(255,255,255,0.2);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li {
            margin: 0;
        }

        .nav-menu a {
            display: inline-block;
            color: rgba(255,255,255,0.88);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            line-height: 1.6;
            letter-spacing: 0.01em;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 1px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-fast);
        }

        .nav-menu a:hover,
        .nav-menu a:focus {
            color: #fff;
            background: rgba(255,255,255,0.08);
        }

        .nav-menu a:hover::after,
        .nav-menu a:focus::after,
        .nav-menu a.active::after {
            transform: scaleX(1);
        }

        .nav-menu a.active {
            color: var(--accent-lime);
            background: rgba(255,255,255,0.06);
        }

        .nav-cta {
            margin-left: 16px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.005em;
            line-height: 1.6;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent-lime);
            color: var(--brand-charcoal);
            border-color: var(--accent-lime);
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-lime-hover);
            border-color: var(--accent-lime-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(185,247,62,0.4);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.55);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--text-dark);
            border-color: var(--border-light);
        }

        .btn-outline-dark:hover,
        .btn-outline-dark:focus {
            background: var(--bg-light-alt);
            border-color: var(--text-dark);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 14px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: calc(var(--nav-height-desktop) + 40px) 0 64px;
            background: linear-gradient(120deg, #171A22 0%, #1C1F28 35%, #3A2255 68%, #C72D6A 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/b1b48b84efa36a42.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.32;
            z-index: 0;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(23,26,34,0.92) 0%, rgba(23,26,34,0.65) 55%, rgba(199,45,106,0.35) 100%);
            z-index: 1;
        }

        .hero-glow {
            position: absolute;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(185,247,62,0.14) 0%, transparent 70%);
            top: -120px;
            right: -100px;
            z-index: 2;
            pointer-events: none;
            animation: floatGlow 8s ease-in-out infinite alternate;
        }

        .hero-glow.second {
            width: 320px;
            height: 320px;
            bottom: -80px;
            right: 30%;
            top: auto;
            background: radial-gradient(circle, rgba(229,53,107,0.18) 0%, transparent 70%);
            animation-delay: 3s;
        }

        @keyframes floatGlow {
            0% { transform: translate(0, 0); opacity: 0.6; }
            100% { transform: translate(-40px, 40px); opacity: 1; }
        }

        .hero .container {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text {
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--accent-lime);
            margin-bottom: 22px;
            letter-spacing: 0.03em;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-lime);
            animation: pulseDot 2s infinite;
        }

        @keyframes pulseDot {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.6); opacity: 0.5; }
        }

        .hero-text h1 {
            font-size: 2.75rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.025em;
            margin-bottom: 18px;
            line-height: 1.25;
            text-shadow: 0 2px 16px rgba(0,0,0,0.3);
        }

        .hero-text h1 .lime {
            color: var(--accent-lime);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.82);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
            font-weight: 400;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .num {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-lime);
            letter-spacing: -0.03em;
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-card {
            width: 100%;
            max-width: 440px;
            background: rgba(32,36,46,0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.14);
            border-radius: var(--radius-card);
            padding: 26px 28px;
            box-shadow: 0 20px 48px rgba(0,0,0,0.4);
            position: relative;
        }

        .hero-card .card-tag {
            display: inline-block;
            background: rgba(185,247,62,0.14);
            color: var(--accent-lime);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .hero-card h3 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .hero-card p {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            margin-bottom: 18px;
            line-height: 1.7;
        }

        .hero-card .mini-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 16px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .hero-card .mini-row span {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
        }

        .hero-card .mini-row strong {
            font-size: 15px;
            color: #fff;
            font-weight: 600;
        }

        /* ===== Sections Common ===== */
        .section {
            padding: var(--section-pad-desktop) 0;
            position: relative;
        }

        .section-dark {
            background: var(--brand-charcoal);
            color: var(--text-dark-primary);
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: #fff;
        }

        .section-dark p {
            color: var(--text-dark-muted);
        }

        .section-light {
            background: var(--bg-light);
        }

        .section-light-alt {
            background: var(--bg-light-alt);
        }

        .section-white {
            background: #fff;
        }

        .section-tight {
            padding: 64px 0;
        }

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

        .section-head .kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-pink);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }

        .section-dark .section-head .kicker {
            color: var(--accent-lime);
        }

        .section-head h2 {
            margin-bottom: 0.4em;
        }

        .section-head .lead {
            font-size: 1.08rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.9;
            margin-top: 12px;
        }

        .section-dark .section-head .lead {
            color: var(--text-dark-muted);
        }

        .section-head.center {
            text-align: center;
        }

        .section-head.center .lead {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Service Matrix ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), box-shadow var(--transition-mid);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            overflow: hidden;
        }

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

        .service-card.featured {
            grid-row: span 2;
            background: linear-gradient(145deg, #fff 0%, #FDFCFF 100%);
            border-color: rgba(199,45,106,0.2);
            padding: 32px 28px;
        }

        .service-card.featured .service-icon {
            background: linear-gradient(135deg, var(--brand-purple), var(--brand-magenta));
            color: #fff;
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: rgba(199,45,106,0.09);
            color: var(--brand-pink);
            flex-shrink: 0;
        }

        .service-card h3 {
            margin: 0;
            font-size: 1.1rem;
        }

        .service-card p {
            margin: 0;
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        .service-card.featured p {
            font-size: 15px;
        }

        .service-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-pink);
            margin-top: auto;
            padding-top: 6px;
        }

        .service-tag i {
            font-size: 13px;
            transition: transform var(--transition-fast);
        }

        .service-tag:hover i {
            transform: translateX(4px);
        }

        /* ===== Brand Introduction ===== */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 52px;
            align-items: center;
        }

        .brand-intro-text h2 {
            color: #fff;
            margin-bottom: 20px;
        }

        .brand-intro-text p {
            color: rgba(255,255,255,0.75);
            font-size: 15.5px;
            line-height: 1.95;
            margin-bottom: 16px;
        }

        .brand-intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: 0 16px 40px rgba(0,0,0,0.3);
        }

        .brand-intro-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .brand-intro-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(23,26,34,0.5), transparent);
            pointer-events: none;
        }

        .brand-points {
            list-style: none;
            margin: 20px 0 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .brand-points li {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.14);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255,255,255,0.75);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-points li i {
            color: var(--accent-lime);
            font-size: 13px;
        }

        /* ===== Data Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .stat-cell {
            background: var(--card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            transition: transform var(--transition-fast), border-color var(--transition-fast);
        }

        .stat-cell:hover {
            transform: translateY(-4px);
            border-color: rgba(185,247,62,0.3);
        }

        .stat-cell .big-num {
            font-size: 2.3rem;
            font-weight: 700;
            color: var(--accent-lime);
            letter-spacing: -0.04em;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-cell .stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            letter-spacing: 0.03em;
        }

        /* ===== Process Steps ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            position: relative;
            transition: transform var(--transition-fast);
        }

        .process-step:hover {
            transform: translateY(-3px);
        }

        .step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-purple), var(--brand-magenta));
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .process-step h4 {
            font-size: 1rem;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 13px;
            line-height: 1.7;
            margin: 0;
        }

        .process-connector {
            position: absolute;
            top: 40px;
            left: 40px;
            right: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-purple), var(--brand-magenta), var(--brand-pink));
            border-radius: 1px;
            z-index: 1;
            opacity: 0.35;
        }

        /* ===== Case Wall ===== */
        .case-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            margin-bottom: 56px;
        }

        .case-item:last-child {
            margin-bottom: 0;
        }

        .case-item:nth-child(even) {
            direction: rtl;
        }

        .case-item:nth-child(even) > * {
            direction: ltr;
        }

        .case-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
            position: relative;
        }

        .case-media img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .case-media .tag-overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(23,26,34,0.85);
            color: var(--accent-lime);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 14px;
            letter-spacing: 0.04em;
        }

        .case-info h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

        .case-info p {
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .case-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .case-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .news-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), box-shadow var(--transition-mid);
            display: flex;
            flex-direction: column;
        }

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

        .news-thumb {
            height: 180px;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-body h4 {
            font-size: 1rem;
            margin: 0;
            line-height: 1.6;
        }

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

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            opacity: 0.7;
            margin-top: auto;
            padding-top: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Partners ===== */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 18px;
        }

        .partner-block {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 10px;
            height: 90px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: rgba(255,255,255,0.5);
            font-weight: 500;
            letter-spacing: 0.04em;
            transition: border-color var(--transition-fast), background var(--transition-fast);
            text-align: center;
            padding: 10px;
        }

        .partner-block:hover {
            border-color: rgba(185,247,62,0.35);
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.8);
        }

        /* ===== FAQ ===== */
        .accordion-faq {
            max-width: 840px;
            margin: 0 auto;
        }

        .accordion-faq .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 10px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .accordion-faq .faq-item:hover {
            border-color: rgba(199,45,106,0.3);
        }

        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15.5px;
            color: var(--text-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            user-select: none;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-stack);
        }

        .faq-question .faq-icon {
            font-size: 16px;
            color: var(--brand-pink);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.is-active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.is-active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 14.5px;
            line-height: 1.85;
            margin: 0;
            color: var(--text-muted);
        }

        /* ===== Guarantee ===== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guarantee-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: border-color var(--transition-fast);
        }

        .guarantee-item:hover {
            border-color: rgba(185,247,62,0.3);
        }

        .guarantee-item .check-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(185,247,62,0.14);
            color: var(--accent-lime);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .guarantee-item h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 6px;
        }

        .guarantee-item p {
            color: rgba(255,255,255,0.6);
            font-size: 13.5px;
            line-height: 1.75;
            margin: 0;
        }

        /* ===== Contact / CTA ===== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .contact-form-box {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 32px 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            font-size: 15px;
            color: var(--text-dark);
            background: #fff;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            line-height: 1.6;
        }

        .form-group input {
            height: 44px;
        }

        .form-group textarea {
            min-height: 110px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--brand-pink);
            box-shadow: 0 0 0 3px rgba(229,53,107,0.1);
        }

        .contact-info-panel {
            background: linear-gradient(145deg, var(--brand-charcoal) 0%, var(--brand-purple) 100%);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            color: #fff;
        }

        .contact-info-panel h3 {
            color: #fff;
            margin-bottom: 18px;
        }

        .contact-info-panel p {
            color: rgba(255,255,255,0.7);
            font-size: 14.5px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .contact-detail {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 16px;
        }

        .contact-detail i {
            color: var(--accent-lime);
            font-size: 16px;
            margin-top: 4px;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

        .contact-detail .cd-label {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
        }

        .contact-detail .cd-value {
            font-size: 15px;
            color: #fff;
            font-weight: 500;
        }

        /* ===== Venue ===== */
        .venue-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .venue-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0,0,0,0.12);
            position: relative;
        }

        .venue-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .venue-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(0,0,0,0.35), transparent);
            pointer-events: none;
        }

        .venue-points {
            list-style: none;
            margin: 20px 0 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .venue-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        .venue-points li i {
            color: var(--brand-pink);
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ===== Content Ecology ===== */
        .eco-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .eco-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-mid), box-shadow var(--transition-mid);
        }

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

        .eco-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .eco-body {
            padding: 16px 18px;
        }

        .eco-body h4 {
            font-size: 0.95rem;
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .eco-body p {
            font-size: 12.5px;
            line-height: 1.6;
            margin: 0;
            color: var(--text-muted);
        }

        /* ===== Data Research ===== */
        .research-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .research-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .research-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 10px;
            padding: 16px 20px;
            transition: border-color var(--transition-fast);
        }

        .research-item:hover {
            border-color: rgba(185,247,62,0.3);
        }

        .research-item .r-icon {
            width: 42px;
            height: 42px;
            border-radius: 8px;
            background: rgba(199,45,106,0.18);
            color: var(--brand-pink);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }

        .research-item h4 {
            color: #fff;
            font-size: 0.95rem;
            margin: 0 0 3px;
        }

        .research-item p {
            color: rgba(255,255,255,0.55);
            font-size: 13px;
            margin: 0;
            line-height: 1.6;
        }

        .research-feature {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            text-align: center;
        }

        .research-feature img {
            border-radius: 8px;
            margin-bottom: 16px;
            width: 100%;
            height: 150px;
            object-fit: cover;
        }

        .research-feature h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 8px;
        }

        .research-feature p {
            color: rgba(255,255,255,0.6);
            font-size: 13.5px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Subscribe ===== */
        .subscribe-wrap {
            background: linear-gradient(110deg, var(--brand-charcoal) 0%, var(--brand-purple) 55%, var(--brand-magenta) 100%);
            border-radius: var(--radius-card);
            padding: 52px 44px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .subscribe-wrap::before {
            content: '\f1c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: -30px;
            bottom: -40px;
            font-size: 180px;
            color: rgba(255,255,255,0.04);
            pointer-events: none;
        }

        .subscribe-text h2 {
            color: #fff;
            margin-bottom: 12px;
        }

        .subscribe-text p {
            color: rgba(255,255,255,0.7);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            height: 46px;
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-input);
            background: rgba(255,255,255,0.1);
            color: #fff;
            padding: 10px 16px;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: border-color var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent-lime);
            background: rgba(255,255,255,0.15);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-deep);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.75;
            color: rgba(255,255,255,0.5);
            max-width: 260px;
            margin: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-col ul a {
            font-size: 13.5px;
            color: rgba(255,255,255,0.5);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover,
        .footer-col ul a:focus {
            color: var(--accent-lime);
        }

        .footer-contact .fc-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 13.5px;
            color: rgba(255,255,255,0.5);
            margin-bottom: 10px;
            line-height: 1.7;
        }

        .footer-contact .fc-item i {
            color: var(--accent-lime);
            margin-top: 5px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            align-items: center;
            justify-content: space-between;
            font-size: 12.5px;
            color: rgba(255,255,255,0.4);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover,
        .footer-bottom a:focus {
            color: var(--accent-lime);
        }

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --section-pad-desktop: 72px;
            }

            h1 { font-size: 2.1rem; }
            h2 { font-size: 1.55rem; }

            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero {
                min-height: auto;
                padding-top: calc(var(--nav-height-desktop) + 30px);
            }
            .hero-visual { display: none; }
            .hero-text h1 { font-size: 2.2rem; }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-card.featured { grid-row: span 1; }

            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-connector { display: none; }

            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .eco-cards {
                grid-template-columns: repeat(2, 1fr);
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 56px;
                --nav-height-desktop: var(--nav-height-mobile);
            }

            .site-header .container {
                flex-wrap: wrap;
            }

            .nav-menu-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                flex-direction: column;
                align-items: stretch;
                position: absolute;
                top: var(--nav-height-mobile);
                left: 0;
                right: 0;
                background: linear-gradient(100deg, var(--brand-charcoal) 0%, var(--brand-purple) 60%, var(--brand-magenta) 100%);
                padding: 16px 20px;
                gap: 2px;
                box-shadow: 0 12px 28px rgba(0,0,0,0.3);
                border-top: 1px solid rgba(255,255,255,0.1);
            }

            .nav-menu.is-open {
                display: flex;
            }

            .nav-menu a {
                padding: 14px 12px;
                font-size: 16px;
                border-radius: 6px;
                color: rgba(255,255,255,0.9);
            }
            .nav-menu a::after { display: none; }

            .nav-cta {
                margin-left: auto;
            }

            h1 { font-size: 1.8rem; }
            .hero-text h1 { font-size: 1.8rem; }
            .hero { padding-top: calc(var(--nav-height-mobile) + 24px); }

            .section-head { margin-bottom: 32px; }
            .lead { font-size: 1rem; }

            .brand-intro-grid,
            .venue-grid,
            .contact-grid,
            .case-item,
            .case-item:nth-child(even),
            .research-grid,
            .subscribe-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .case-item:nth-child(even) { direction: ltr; }

            .service-grid,
            .stats-grid,
            .process-steps,
            .news-list,
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .eco-cards {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .brand-intro-image img,
            .venue-image img {
                height: 240px;
            }
            .case-media img {
                height: 220px;
            }

            .subscribe-wrap {
                padding: 36px 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
        }

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

            h1 { font-size: 1.5rem; }
            h2 { font-size: 1.3rem; }
            .hero-text h1 { font-size: 1.5rem; }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .hero-stats { gap: 18px; }
            .hero-stat .num { font-size: 1.3rem; }

            .service-grid,
            .stats-grid,
            .process-steps,
            .news-list,
            .guarantee-grid,
            .eco-cards {
                grid-template-columns: 1fr;
            }

            .stat-cell {
                padding: 20px 16px;
            }
            .stat-cell .big-num { font-size: 1.7rem; }

            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .partner-block { height: 68px; font-size: 12px; }

            .form-group input,
            .form-group textarea {
                font-size: 14px;
            }
            .contact-form-box,
            .contact-info-panel {
                padding: 24px 18px;
            }

            .footer-grid {
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14.5px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.is-active .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category1 */
:root {
        --brand-deep: #171A22;
        --brand-charcoal: #1C1F28;
        --brand-purple: #4A2A6A;
        --brand-magenta: #C72D6A;
        --brand-pink: #E5356B;
        --brand-pink-hover: #FF3D77;
        --accent-lime: #B9F73E;
        --accent-lime-hover: #A8E62D;
        --bg-light: #F4F6F8;
        --bg-light-alt: #F7F8FA;
        --card-dark: #20242E;
        --card-light: #FFFFFF;
        --text-dark: #1A1D24;
        --text-muted: #5A6072;
        --text-dark-primary: #E8EAEE;
        --text-dark-muted: #B8BDC7;
        --border-light: #E1E4EA;
        --border-dark: #2A3040;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-input: 6px;
        --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
        --shadow-btn: 0 4px 12px rgba(185,247,62,0.25);
        --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        --transition-fast: 0.2s ease;
        --transition-mid: 0.35s ease;
        --section-pad-desktop: 72px;
        --section-pad-mobile: 56px;
        --nav-height-desktop: 68px;
        --nav-height-mobile: 60px;
    }

    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-dark);
        background-color: var(--bg-light);
        margin: 0;
        padding: 0;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
    }
    a:hover,
    a:focus {
        text-decoration: none;
        outline: none;
    }
    a:focus-visible {
        outline: 2px solid var(--accent-lime);
        outline-offset: 3px;
        border-radius: 4px;
    }
    button,
    input,
    textarea {
        font-family: var(--font-stack);
        font-size: 15px;
        line-height: 1.8;
    }
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--brand-pink);
        outline-offset: 2px;
    }
    .container {
        max-width: 1120px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* Header / Navigation */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 999;
        height: var(--nav-height-desktop);
        background: linear-gradient(100deg, var(--brand-charcoal) 0%, var(--brand-purple) 52%, var(--brand-magenta) 100%);
        box-shadow: 0 2px 16px rgba(0,0,0,0.18);
        transition: box-shadow var(--transition-mid);
    }
    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .nav-logo {
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }
    .nav-logo .logo-icon {
        width: 38px;
        height: 38px;
        background: rgba(255,255,255,0.12);
        border: 1px solid rgba(255,255,255,0.22);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 10px;
        font-size: 18px;
        color: var(--accent-lime);
        font-weight: 700;
        letter-spacing: -0.5px;
    }
    .nav-logo .logo-text {
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.02em;
        line-height: 1.2;
    }
    .nav-logo:hover .logo-text,
    .nav-logo:focus .logo-text {
        color: var(--accent-lime);
    }
    .nav-menu-toggle {
        display: none;
        background: rgba(255,255,255,0.1);
        border: 1px solid rgba(255,255,255,0.25);
        border-radius: 6px;
        color: #fff;
        font-size: 22px;
        width: 46px;
        height: 42px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: background var(--transition-fast);
    }
    .nav-menu-toggle:hover {
        background: rgba(255,255,255,0.2);
    }
    .nav-menu {
        display: flex;
        align-items: center;
        list-style: none;
        margin: 0;
        padding: 0;
        gap: 4px;
        flex: 1;
        justify-content: center;
    }
    .nav-menu li {
        margin: 0;
    }
    .nav-menu a {
        display: inline-block;
        color: rgba(255,255,255,0.88);
        font-size: 15px;
        font-weight: 500;
        padding: 8px 14px;
        border-radius: 6px;
        line-height: 1.6;
        letter-spacing: 0.01em;
        position: relative;
    }
    .nav-menu a:hover,
    .nav-menu a:focus {
        color: #fff;
        background: rgba(255,255,255,0.13);
    }
    .nav-menu a.active {
        color: #fff;
        background: rgba(255,255,255,0.18);
    }
    .nav-menu a.active::after {
        content: '';
        display: block;
        width: 100%;
        height: 3px;
        background: var(--accent-lime);
        position: absolute;
        left: 0;
        bottom: 4px;
        border-radius: 4px;
    }
    .nav-cta {
        flex-shrink: 0;
        margin-left: 14px;
    }
    .nav-cta a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 38px;
        padding: 0 18px;
        background: var(--accent-lime);
        color: var(--brand-charcoal);
        font-weight: 700;
        border-radius: var(--radius-btn);
        box-shadow: var(--shadow-btn);
        transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }
    .nav-cta a:hover,
    .nav-cta a:focus {
        background: var(--accent-lime-hover);
        transform: translateY(-1px);
        box-shadow: 0 6px 16px rgba(168,230,45,0.35);
    }

    /* Hero / page intro */
    .classification-hero {
        padding: calc(var(--nav-height-desktop) + 56px) 0 56px;
        background: linear-gradient(135deg, #1C1F28 0%, #252936 42%, #3B264E 78%, #8E2A55 100%);
        color: var(--text-dark-primary);
        position: relative;
        overflow: hidden;
    }
    .classification-hero::after {
        content: '';
        position: absolute;
        right: -120px;
        bottom: -80px;
        width: 360px;
        height: 360px;
        background: radial-gradient(circle, rgba(185,247,62,0.22), rgba(185,247,62,0));
        border-radius: 50%;
        pointer-events: none;
    }
    .classification-hero .breadcrumb {
        font-size: 13px;
        color: rgba(255,255,255,0.68);
        margin-bottom: 20px;
        letter-spacing: 0.02em;
    }
    .classification-hero .breadcrumb a {
        color: rgba(255,255,255,0.82);
    }
    .classification-hero .breadcrumb a:hover {
        color: var(--accent-lime);
    }
    .classification-hero h1 {
        font-size: 34px;
        line-height: 1.3;
        font-weight: 700;
        color: #fff;
        margin: 0 0 18px;
        letter-spacing: -0.02em;
    }
    .classification-hero .hero-lead {
        font-size: 17px;
        color: var(--text-dark-muted);
        line-height: 2;
        max-width: 780px;
    }
    .classification-hero .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 18px;
        margin-top: 26px;
        color: rgba(255,255,255,0.75);
        font-size: 14px;
    }
    .classification-hero .hero-meta i {
        color: var(--accent-lime);
        margin-right: 6px;
    }

    /* Shared section styling */
    .section {
        padding: var(--section-pad-desktop) 0;
    }
    .section-sm {
        padding: 48px 0;
    }
    .section-title {
        font-size: 26px;
        line-height: 1.4;
        font-weight: 600;
        color: var(--text-dark);
        margin-bottom: 14px;
        letter-spacing: -0.01em;
    }
    .section-subtitle {
        font-size: 15px;
        color: var(--text-muted);
        line-height: 1.9;
        max-width: 740px;
        margin-bottom: 36px;
    }
    .bg-white {
        background: #fff;
    }
    .bg-dark-section {
        background: var(--brand-charcoal);
        color: var(--text-dark-primary);
    }
    .bg-dark-section .section-title {
        color: #fff;
    }
    .bg-dark-section .section-subtitle {
        color: var(--text-dark-muted);
    }

    /* Content cards / filters */
    .news-filter-bar {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        align-items: center;
        margin-bottom: 34px;
    }
    .news-filter-bar .news-filter-label {
        font-size: 14px;
        color: var(--text-muted);
        margin-right: 6px;
        font-weight: 500;
    }
    .news-filter-tag {
        display: inline-flex;
        align-items: center;
        padding: 7px 14px;
        border-radius: 999px;
        background: #fff;
        border: 1px solid var(--border-light);
        color: var(--text-muted);
        font-size: 13px;
        font-weight: 500;
        transition: all var(--transition-fast);
    }
    .news-filter-tag:hover,
    .news-filter-tag:focus {
        border-color: var(--brand-pink);
        color: var(--brand-pink);
    }
    .news-filter-tag.active {
        background: var(--brand-pink);
        border-color: var(--brand-pink);
        color: #fff;
    }

    .news-list {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }
    .news-list-item {
        display: flex;
        background: #fff;
        border-radius: var(--radius-card);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: box-shadow var(--transition-mid), transform var(--transition-mid);
    }
    .news-list-item:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-2px);
    }
    .news-list-item .news-thumb {
        width: 220px;
        min-height: 150px;
        flex-shrink: 0;
        background: #e5e7eb;
        position: relative;
        overflow: hidden;
    }
    .news-list-item .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .news-list-item .news-thumb .news-tag {
        position: absolute;
        left: 10px;
        top: 10px;
        background: rgba(23,26,34,0.82);
        color: #fff;
        font-size: 12px;
        padding: 4px 8px;
        border-radius: 6px;
    }
    .news-list-item .news-body {
        padding: 20px 24px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        min-width: 0;
    }
    .news-list-item .news-body h3 {
        font-size: 19px;
        font-weight: 600;
        line-height: 1.55;
        margin: 0 0 8px;
        color: var(--text-dark);
    }
    .news-list-item .news-body p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.75;
        margin: 0 0 14px;
    }
    .news-list-item .news-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 13px;
        color: var(--text-muted);
    }
    .news-list-item .news-meta i {
        color: var(--brand-pink);
        margin-right: 4px;
    }
    .news-list-item .news-action {
        color: var(--brand-pink);
        font-weight: 600;
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: color var(--transition-fast);
    }
    .news-list-item .news-action:hover {
        color: var(--brand-pink-hover);
    }

    .popular-news-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .popular-news-card {
        background: #fff;
        border-radius: var(--radius-card);
        border: 1px solid var(--border-light);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: box-shadow var(--transition-mid), transform var(--transition-mid);
    }
    .popular-news-card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-3px);
    }
    .popular-news-card .popular-thumb {
        height: 160px;
        background: #e5e7eb;
        overflow: hidden;
    }
    .popular-news-card .popular-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-mid);
    }
    .popular-news-card:hover .popular-thumb img {
        transform: scale(1.04);
    }
    .popular-news-card .popular-body {
        padding: 20px 22px;
    }
    .popular-news-card .popular-body h3 {
        font-size: 18px;
        font-weight: 600;
        line-height: 1.55;
        color: var(--text-dark);
        margin: 0 0 10px;
    }
    .popular-news-card .popular-body p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.75;
        margin: 0 0 14px;
    }
    .popular-news-card .popular-meta {
        font-size: 13px;
        color: var(--text-muted);
    }
    .popular-news-card .popular-meta i {
        color: var(--brand-pink);
        margin-right: 4px;
    }

    /* Data strip */
    .data-strip {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: space-between;
    }
    .data-strip-item {
        flex: 1 1 150px;
        background: var(--card-dark);
        border-radius: var(--radius-card);
        padding: 22px 20px;
        text-align: center;
        border: 1px solid var(--border-dark);
    }
    .data-strip-item .number {
        font-size: 30px;
        font-weight: 700;
        color: var(--accent-lime);
        line-height: 1.2;
    }
    .data-strip-item .label {
        font-size: 14px;
        color: var(--text-dark-muted);
        margin-top: 8px;
    }

    /* CTA / newsletter */
    .newsletter-panel {
        background: linear-gradient(120deg, #1C1F28, #3B264E 65%, #A62E5C);
        border-radius: var(--radius-card);
        padding: 46px 50px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
        box-shadow: 0 16px 35px rgba(0,0,0,0.2);
        color: #fff;
    }
    .newsletter-panel h2 {
        font-size: 24px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 10px;
        line-height: 1.5;
    }
    .newsletter-panel p {
        color: var(--text-dark-muted);
        font-size: 15px;
        max-width: 500px;
        line-height: 1.8;
        margin: 0;
    }
    .newsletter-panel form {
        display: flex;
        gap: 10px;
        flex: 1;
        max-width: 520px;
        min-width: 280px;
    }
    .newsletter-panel input[type="email"] {
        flex: 1;
        height: 46px;
        border-radius: var(--radius-input);
        border: 1px solid rgba(255,255,255,0.22);
        background: rgba(255,255,255,0.08);
        color: #fff;
        padding: 0 14px;
        outline: none;
        transition: border var(--transition-fast), background var(--transition-fast);
    }
    .newsletter-panel input[type="email"]::placeholder {
        color: rgba(255,255,255,0.55);
    }
    .newsletter-panel input[type="email"]:focus {
        border-color: var(--accent-lime);
        background: rgba(255,255,255,0.12);
    }
    .newsletter-panel button {
        height: 46px;
        padding: 0 18px;
        background: var(--accent-lime);
        color: var(--brand-charcoal);
        border: 0;
        border-radius: var(--radius-btn);
        font-weight: 700;
        cursor: pointer;
        transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }
    .newsletter-panel button:hover {
        background: var(--accent-lime-hover);
        transform: translateY(-1px);
        box-shadow: 0 6px 16px rgba(168,230,45,0.35);
    }

    /* FAQ accordion custom */
    .faq-accordion {
        max-width: 820px;
        margin: 0 auto;
    }
    .accordion-item {
        background: #fff;
        border: 1px solid var(--border-light);
        border-radius: var(--radius-card);
        margin-bottom: 12px;
        overflow: hidden;
        transition: box-shadow var(--transition-fast);
    }
    .accordion-item:hover {
        box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    }
    .accordion-title {
        padding: 18px 22px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        font-weight: 600;
        color: var(--text-dark);
        font-size: 16px;
        transition: color var(--transition-fast), background var(--transition-fast);
    }
    .accordion-title:hover {
        color: var(--brand-pink);
        background: #FBFCFD;
    }
    .accordion-title i {
        color: var(--brand-pink);
        transition: transform var(--transition-fast);
    }
    .accordion-title.open i {
        transform: rotate(180deg);
    }
    .accordion-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-mid);
    }
    .accordion-content-inner {
        padding: 0 22px 20px;
        font-size: 15px;
        color: var(--text-muted);
        line-height: 1.9;
    }

    /* Footer */
    .site-footer {
        background: var(--brand-charcoal);
        color: var(--text-dark-primary);
        padding: 60px 0 0;
    }
    .site-footer .container {
        padding-bottom: 30px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 0.8fr 0.8fr 1.2fr;
        gap: 34px;
        padding-bottom: 40px;
        border-bottom: 1px solid var(--border-dark);
    }
    .footer-brand .logo-text {
        font-size: 22px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
        display: inline-block;
    }
    .footer-brand p {
        font-size: 14px;
        color: var(--text-dark-muted);
        line-height: 1.8;
        max-width: 280px;
        margin: 0;
    }
    .footer-col h4 {
        font-size: 16px;
        font-weight: 600;
        color: #fff;
        margin: 0 0 16px;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul li a {
        color: var(--text-dark-muted);
        font-size: 14px;
        transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover {
        color: var(--accent-lime);
    }
    .footer-contact h4 {
        font-size: 16px;
        font-weight: 600;
        color: #fff;
        margin: 0 0 16px;
    }
    .footer-contact .fc-item {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--text-dark-muted);
        font-size: 14px;
        margin-bottom: 12px;
    }
    .footer-contact .fc-item i {
        color: var(--brand-pink);
        width: 18px;
        text-align: center;
    }
    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        padding: 20px 0;
        font-size: 13px;
        color: var(--text-dark-muted);
    }
    .footer-bottom a {
        color: var(--text-dark-muted);
    }
    .footer-bottom a:hover {
        color: var(--accent-lime);
    }
    .footer-beian {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .popular-news-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .newsletter-panel {
            flex-direction: column;
            align-items: flex-start;
        }
        .newsletter-panel form {
            width: 100%;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        :root {
            --section-pad-desktop: 56px;
            --nav-height-desktop: 60px;
        }
        .nav-menu {
            display: none;
            position: absolute;
            top: var(--nav-height-mobile);
            left: 0;
            right: 0;
            background: linear-gradient(100deg, var(--brand-charcoal), var(--brand-purple) 52%, var(--brand-magenta));
            flex-direction: column;
            align-items: flex-start;
            padding: 20px 24px 24px;
            border-top: 1px solid rgba(255,255,255,0.18);
            box-shadow: 0 18px 24px rgba(0,0,0,0.2);
            z-index: 1000;
        }
        .nav-menu.is-open {
            display: flex;
        }
        .nav-menu li {
            width: 100%;
        }
        .nav-menu a {
            display: block;
            width: 100%;
            padding: 12px 10px;
            font-size: 16px;
            color: rgba(255,255,255,0.9);
        }
        .nav-menu a.active::after {
            display: none;
        }
        .nav-cta {
            display: none;
        }
        .nav-menu-toggle {
            display: inline-flex;
        }
        .classification-hero {
            padding: calc(var(--nav-height-desktop) + 40px) 0 40px;
        }
        .classification-hero h1 {
            font-size: 28px;
        }
        .news-list-item {
            flex-direction: column;
        }
        .news-list-item .news-thumb {
            width: 100%;
            min-height: 200px;
        }
        .data-strip-item {
            flex: 1 1 45%;
        }
        .newsletter-panel {
            padding: 30px 22px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
    }

    @media (max-width: 520px) {
        .popular-news-grid {
            grid-template-columns: 1fr;
        }
        .newslist-item .news-body {
            padding: 18px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
        .data-strip-item {
            flex: 1 1 100%;
        }
    }

/* roulang page: category2 */
:root {
            --brand-deep: #171A22;
            --brand-charcoal: #1C1F28;
            --brand-purple: #4A2A6A;
            --brand-magenta: #C72D6A;
            --brand-pink: #E5356B;
            --brand-pink-hover: #FF3D77;
            --accent-lime: #B9F73E;
            --accent-lime-hover: #A8E62D;
            --bg-light: #F4F6F8;
            --bg-light-alt: #F7F8FA;
            --card-dark: #20242E;
            --card-light: #FFFFFF;
            --text-dark: #1A1D24;
            --text-muted: #5A6072;
            --text-dark-primary: #E8EAEE;
            --text-dark-muted: #B8BDC7;
            --border-light: #E1E4EA;
            --border-dark: #2A3040;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-btn: 0 4px 12px rgba(185,247,62,0.25);
            --font-stack: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.35s ease;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 56px;
            --nav-height-desktop: 68px;
            --nav-height-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
        }

        a:hover,
        a:focus {
            text-decoration: none;
            outline: none;
        }

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

        button,
        input,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.8;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-pink);
            outline-offset: 2px;
        }

        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--nav-height-desktop);
            background: linear-gradient(100deg, var(--brand-charcoal) 0%, var(--brand-purple) 52%, var(--brand-magenta) 100%);
            box-shadow: 0 2px 16px rgba(0,0,0,0.18);
            transition: box-shadow var(--transition-mid);
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            font-size: 18px;
            color: var(--accent-lime);
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .nav-logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .nav-logo:hover .logo-text,
        .nav-logo:focus .logo-text {
            color: var(--accent-lime);
        }

        .nav-menu-toggle {
            display: none;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 6px;
            color: #fff;
            font-size: 22px;
            width: 46px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .nav-menu-toggle:hover {
            background: rgba(255,255,255,0.2);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li {
            margin: 0;
        }

        .nav-menu a {
            display: inline-block;
            color: rgba(255,255,255,0.88);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            line-height: 1.6;
            letter-spacing: 0.01em;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-menu a:hover,
        .nav-menu a:focus {
            background: rgba(255,255,255,0.1);
            color: #fff;
        }

        .nav-menu a.active {
            background: rgba(185,247,62,0.16);
            color: var(--accent-lime);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 2px;
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-lime);
            color: var(--brand-deep) !important;
            font-size: 14px;
            font-weight: 700;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-btn);
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-lime-hover);
            box-shadow: 0 6px 18px rgba(185,247,62,0.35);
            transform: translateY(-1px);
            color: var(--brand-deep);
        }

        /* ===== Category Header ===== */
        .category-header {
            padding-top: calc(var(--nav-height-desktop) + 44px);
            padding-bottom: 36px;
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            color: #B4B9C4;
        }

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

        .category-heading {
            max-width: 760px;
        }

        .category-heading h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 12px 0;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .category-heading .cat-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-muted);
            margin: 0;
            max-width: 680px;
        }

        .category-tagline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(229,53,107,0.08);
            color: var(--brand-pink);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
        }

        /* ===== Section Base ===== */
        .section-block {
            padding: 48px 0;
        }

        .section-block.alt-bg {
            background: var(--bg-light-alt);
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 6px 0;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0 0 28px 0;
            line-height: 1.7;
        }

        .section-head {
            margin-bottom: 28px;
        }

        /* ===== Article List ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-card {
            display: flex;
            gap: 24px;
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid), border-color var(--transition-fast);
        }

        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #D5D9E0;
        }

        .article-card .thumb {
            flex-shrink: 0;
            width: 260px;
            height: 170px;
            border-radius: 8px;
            overflow: hidden;
            background: var(--bg-light-alt);
        }

        .article-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }

        .article-card:hover .thumb img {
            transform: scale(1.04);
        }

        .article-card .content {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .article-card .meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .article-card .tag {
            display: inline-block;
            background: rgba(229,53,107,0.08);
            color: var(--brand-pink);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 4px;
        }

        .article-card .date {
            color: #9096A3;
        }

        .article-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px 0;
            line-height: 1.5;
        }

        .article-card h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .article-card h3 a:hover {
            color: var(--brand-pink);
        }

        .article-card .summary {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .read-more {
            align-self: flex-start;
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-pink);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

        .article-card .read-more:hover {
            color: var(--brand-pink-hover);
        }

        .article-card .read-more i {
            font-size: 12px;
        }

        /* ===== Topic Cards ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid), border-color var(--transition-fast);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #D5D9E0;
        }

        .topic-card .topic-thumb {
            height: 150px;
            overflow: hidden;
            background: var(--bg-light-alt);
        }

        .topic-card .topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }

        .topic-card:hover .topic-thumb img {
            transform: scale(1.05);
        }

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

        .topic-card .topic-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-lime-hover);
            background: rgba(168,230,45,0.12);
            display: inline-block;
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .topic-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 6px 0;
            line-height: 1.5;
        }

        .topic-card h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .topic-card h3 a:hover {
            color: var(--brand-pink);
        }

        .topic-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Featured Content ===== */
        .featured-card {
            display: flex;
            gap: 28px;
            background: linear-gradient(135deg, var(--brand-charcoal) 0%, var(--brand-purple) 60%, var(--brand-magenta) 100%);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: 0 6px 24px rgba(0,0,0,0.15);
            position: relative;
            overflow: hidden;
        }

        .featured-card::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(185,247,62,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .featured-card .featured-img {
            flex-shrink: 0;
            width: 300px;
            height: 200px;
            border-radius: 8px;
            overflow: hidden;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.12);
        }

        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-card .featured-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .featured-card .featured-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-lime);
            background: rgba(185,247,62,0.12);
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .featured-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px 0;
            line-height: 1.45;
        }

        .featured-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-dark-muted);
            margin: 0 0 16px 0;
            max-width: 520px;
        }

        .featured-card .featured-link {
            align-self: flex-start;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-lime);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: color var(--transition-fast);
        }

        .featured-card .featured-link:hover {
            color: #fff;
        }

        .featured-card .featured-link i {
            font-size: 12px;
        }

        /* ===== Stats ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
        }

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

        .stat-item .number {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-lime-hover);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-item .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag-item {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .tag-cloud .tag-item:hover {
            border-color: var(--brand-pink);
            color: var(--brand-pink);
            background: rgba(229,53,107,0.05);
        }

        .tag-cloud .tag-item.hot {
            border-color: var(--accent-lime-hover);
            background: rgba(168,230,45,0.08);
            color: #6B8C1A;
            font-weight: 600;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-box {
            background: linear-gradient(135deg, var(--brand-charcoal) 0%, var(--brand-purple) 55%, var(--brand-magenta) 100%);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: 0 6px 24px rgba(0,0,0,0.15);
            position: relative;
            overflow: hidden;
        }

        .subscribe-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(185,247,62,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-box .subscribe-text {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-box .subscribe-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px 0;
            line-height: 1.4;
        }

        .subscribe-box .subscribe-text p {
            font-size: 15px;
            color: var(--text-dark-muted);
            margin: 0;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-input);
            color: #fff;
            padding: 11px 16px;
            font-size: 14px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--accent-lime);
            background: rgba(255,255,255,0.12);
        }

        .subscribe-form button {
            background: var(--accent-lime);
            color: var(--brand-deep);
            font-weight: 700;
            font-size: 14px;
            padding: 11px 24px;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            box-shadow: var(--shadow-btn);
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--accent-lime-hover);
            box-shadow: 0 6px 18px rgba(185,247,62,0.35);
            transform: translateY(-1px);
        }

        /* ===== Back Home Link ===== */
        .back-home-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-pink);
            padding: 10px 20px;
            border: 1px solid rgba(229,53,107,0.25);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
        }

        .back-home-link:hover {
            background: rgba(229,53,107,0.06);
            border-color: var(--brand-pink);
            color: var(--brand-pink-hover);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-deep);
            color: var(--text-dark-muted);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .site-footer .container {
            max-width: 1120px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-dark-muted);
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px 0;
            letter-spacing: 0.01em;
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-dark-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px 0;
        }

        .fc-item {
            font-size: 14px;
            color: var(--text-dark-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .fc-item i {
            color: var(--accent-lime);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-dark-muted);
        }

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

        .footer-bottom a {
            color: var(--text-dark-muted);
            transition: color var(--transition-fast);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            :root {
                --nav-height-desktop: var(--nav-height-mobile);
                --section-pad-desktop: var(--section-pad-mobile);
            }

            .nav-menu-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height-mobile);
                left: 0;
                right: 0;
                flex-direction: column;
                background: linear-gradient(160deg, var(--brand-charcoal) 0%, var(--brand-purple) 60%, var(--brand-magenta) 100%);
                padding: 16px 24px 20px;
                gap: 2px;
                box-shadow: 0 8px 24px rgba(0,0,0,0.3);
                border-top: 1px solid rgba(255,255,255,0.08);
            }

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

            .nav-menu li {
                width: 100%;
            }

            .nav-menu a {
                display: block;
                padding: 12px 16px;
                font-size: 16px;
                border-radius: 8px;
            }

            .nav-menu a.active::after {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .category-header {
                padding-top: calc(var(--nav-height-mobile) + 28px);
                padding-bottom: 28px;
            }

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

            .article-card {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }

            .article-card .thumb {
                width: 100%;
                height: 180px;
            }

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

            .featured-card {
                flex-direction: column;
                padding: 24px;
                gap: 18px;
            }

            .featured-card .featured-img {
                width: 100%;
                height: 180px;
            }

            .featured-card h3 {
                font-size: 19px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-item {
                padding: 18px 14px;
            }

            .stat-item .number {
                font-size: 28px;
            }

            .subscribe-box {
                padding: 28px 22px;
                flex-direction: column;
                align-items: stretch;
                gap: 18px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form input[type="email"] {
                min-width: 100%;
            }

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

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

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

            .section-block {
                padding: 36px 0;
            }

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

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .category-heading h1 {
                font-size: 22px;
            }

            .category-heading .cat-desc {
                font-size: 14px;
            }

            .article-card .thumb {
                height: 150px;
            }

            .article-card h3 {
                font-size: 16px;
            }

            .article-card .summary {
                font-size: 13px;
            }

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

            .stat-item .number {
                font-size: 24px;
            }

            .stat-item .label {
                font-size: 12px;
            }

            .featured-card {
                padding: 20px;
            }

            .featured-card .featured-img {
                height: 150px;
            }

            .subscribe-box h2 {
                font-size: 20px;
            }

            .footer-bottom {
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-deep: #171A22;
            --brand-charcoal: #1C1F28;
            --brand-purple: #4A2A6A;
            --brand-magenta: #C72D6A;
            --brand-pink: #E5356B;
            --brand-pink-hover: #FF3D77;
            --accent-lime: #B9F73E;
            --accent-lime-hover: #A8E62D;
            --bg-light: #F4F6F8;
            --bg-light-alt: #F7F8FA;
            --card-dark: #20242E;
            --card-light: #FFFFFF;
            --text-dark: #1A1D24;
            --text-muted: #5A6072;
            --text-dark-primary: #E8EAEE;
            --text-dark-muted: #B8BDC7;
            --border-light: #E1E4EA;
            --border-dark: #2A3040;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-btn: 0 4px 12px rgba(185,247,62,0.25);
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.35s ease;
            --section-pad-desktop: 56px;
            --section-pad-mobile: 48px;
            --nav-height-desktop: 68px;
            --nav-height-mobile: 60px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
        }
        a:hover,
        a:focus {
            text-decoration: none;
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent-lime);
            outline-offset: 3px;
            border-radius: 4px;
        }
        button,
        input,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.8;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-pink);
            outline-offset: 2px;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--nav-height-desktop);
            background: linear-gradient(100deg, var(--brand-charcoal) 0%, var(--brand-purple) 52%, var(--brand-magenta) 100%);
            box-shadow: 0 2px 16px rgba(0,0,0,0.18);
            transition: box-shadow var(--transition-mid);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            font-size: 18px;
            color: var(--accent-lime);
            font-weight: 700;
            letter-spacing: -0.5px;
        }
        .nav-logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .nav-logo:hover .logo-text,
        .nav-logo:focus .logo-text {
            color: var(--accent-lime);
        }
        .nav-menu-toggle {
            display: none;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 6px;
            color: #fff;
            font-size: 22px;
            width: 46px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .nav-menu-toggle:hover {
            background: rgba(255,255,255,0.2);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-menu li {
            margin: 0;
        }
        .nav-menu a {
            display: inline-block;
            color: rgba(255,255,255,0.88);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            line-height: 1.6;
            letter-spacing: 0.01em;
            position: relative;
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform var(--transition-mid);
        }
        .nav-menu a:hover,
        .nav-menu a:focus {
            color: #fff;
            background: rgba(255,255,255,0.1);
        }
        .nav-menu a:hover::after,
        .nav-menu a:focus::after,
        .nav-menu a.active::after {
            transform: scaleX(1);
        }
        .nav-menu a.active {
            color: var(--accent-lime);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-lime);
            color: var(--brand-charcoal);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 18px;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-btn);
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-lime-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(185,247,62,0.35);
        }
        .main-content {
            padding-top: var(--nav-height-desktop);
        }
        .hero-category {
            background: linear-gradient(135deg, var(--brand-charcoal) 0%, var(--brand-purple) 62%, var(--brand-magenta) 100%);
            padding: 40px 0 52px;
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(185,247,62,0.16), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: 20%;
            width: 320px;
            height: 180px;
            background: radial-gradient(ellipse, rgba(255,61,119,0.18), transparent 70%);
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255,255,255,0.75);
            flex-wrap: wrap;
            margin-bottom: 22px;
        }
        .breadcrumb-nav a {
            color: rgba(255,255,255,0.75);
        }
        .breadcrumb-nav a:hover,
        .breadcrumb-nav a:focus {
            color: var(--accent-lime);
        }
        .breadcrumb-nav .sep {
            opacity: 0.6;
        }
        .breadcrumb-nav .current {
            color: rgba(255,255,255,0.95);
        }
        .hero-category h1 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.01em;
            line-height: 1.4;
        }
        .hero-category .cat-desc {
            font-size: 16px;
            color: rgba(255,255,255,0.82);
            max-width: 720px;
            line-height: 1.9;
            margin: 0 0 18px;
        }
        .cat-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.2);
            color: #fff;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 20px;
            line-height: 1.6;
        }
        .cat-tag i {
            color: var(--accent-lime);
            font-size: 12px;
        }
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section-alt {
            background: var(--bg-light-alt);
        }
        .section-dark {
            background: var(--brand-charcoal);
            color: var(--text-dark-primary);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-pink);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label .label-line {
            width: 28px;
            height: 2px;
            background: var(--brand-pink);
            border-radius: 2px;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 12px;
            line-height: 1.45;
            letter-spacing: 0.01em;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-intro {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0 0 32px;
            line-height: 1.9;
            max-width: 760px;
        }
        .section-dark .section-intro {
            color: var(--text-dark-muted);
        }
        .venue-list .venue-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-mid), box-shadow var(--transition-mid);
            height: 100%;
            display: flex;
            flex-direction: column;
            margin-bottom: 24px;
        }
        .venue-list .venue-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .venue-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--brand-charcoal);
        }
        .venue-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }
        .venue-card:hover .card-img img {
            transform: scale(1.04);
        }
        .venue-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(28,31,40,0.82);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 4px;
            letter-spacing: 0.02em;
        }
        .venue-card .card-body {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .venue-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .venue-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .venue-card .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
            flex: 1;
        }
        .venue-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 16px;
            color: var(--brand-pink);
            font-weight: 600;
            font-size: 14px;
            transition: color var(--transition-fast), gap var(--transition-fast);
        }
        .venue-card .card-link:hover,
        .venue-card .card-link:focus {
            color: var(--brand-pink-hover);
            gap: 12px;
        }
        .scene-block {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            align-items: center;
            margin: 40px 0 10px;
        }
        .scene-block .scene-img {
            flex: 1 1 420px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .scene-block .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        .scene-block .scene-content {
            flex: 1 1 360px;
        }
        .scene-block .scene-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 12px;
            line-height: 1.5;
        }
        .scene-block .scene-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.9;
            margin: 0 0 14px;
        }
        .scene-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .scene-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-dark);
            line-height: 1.7;
        }
        .scene-list li i {
            color: var(--accent-lime-hover);
            font-size: 13px;
        }
        .featured-grid .featured-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px;
            transition: transform var(--transition-mid), box-shadow var(--transition-mid);
            height: 100%;
            margin-bottom: 20px;
        }
        .featured-grid .featured-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .featured-card .fc-top {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .featured-card .fc-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(229,53,107,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-pink);
            font-size: 18px;
            flex-shrink: 0;
        }
        .featured-card .fc-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-pink);
            letter-spacing: 0.03em;
            background: rgba(229,53,107,0.08);
            padding: 4px 10px;
            border-radius: 4px;
        }
        .featured-card .fc-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .featured-card .fc-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 20px 0;
        }
        .stat-item {
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: center;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .stat-item:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-2px);
        }
        .stat-item .stat-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--accent-lime);
            line-height: 1.3;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--text-dark-muted);
            line-height: 1.6;
        }
        .accordion-item {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .accordion-item:hover {
            border-color: rgba(229,53,107,0.4);
            box-shadow: 0 4px 14px rgba(0,0,0,0.08);
        }
        .accordion-item .accordion-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .accordion-item .accordion-content {
            background: var(--bg-light-alt);
            border-top: 1px solid var(--border-light);
            padding: 14px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.85;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--brand-charcoal) 0%, var(--brand-purple) 58%, var(--brand-magenta) 100%);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-between;
            margin-top: 20px;
        }
        .cta-box .cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 8px;
            color: #fff;
            line-height: 1.5;
        }
        .cta-box .cta-text p {
            font-size: 14px;
            color: rgba(255,255,255,0.78);
            margin: 0;
            line-height: 1.8;
            max-width: 520px;
        }
        .cta-box .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 14px;
            padding: 12px 22px;
            border-radius: var(--radius-btn);
            border: 0;
            cursor: pointer;
            line-height: 1.6;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent-lime);
            color: var(--brand-charcoal);
            box-shadow: var(--shadow-btn);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-lime-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(185,247,62,0.35);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.45);
        }
        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.75);
            transform: translateY(-1px);
        }
        .site-footer {
            background: var(--brand-deep);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 0;
            font-size: 14px;
            line-height: 1.8;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 28px;
            padding-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-brand p {
            color: rgba(255,255,255,0.65);
            font-size: 14px;
            line-height: 1.85;
            margin: 0;
            max-width: 250px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.5;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .footer-col ul li a:hover,
        .footer-col ul li a:focus {
            color: var(--accent-lime);
            padding-left: 4px;
        }
        .footer-contact .fc-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            margin-bottom: 10px;
            line-height: 1.7;
        }
        .footer-contact .fc-item i {
            color: var(--brand-pink);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover,
        .footer-bottom a:focus {
            color: var(--accent-lime);
        }
        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
        }
        @media (max-width: 1024px) {
            .nav-menu a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-menu-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height-mobile);
                left: 0;
                right: 0;
                background: linear-gradient(100deg, var(--brand-charcoal) 0%, var(--brand-purple) 52%, var(--brand-magenta) 100%);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px 20px;
                gap: 2px;
                box-shadow: 0 12px 30px rgba(0,0,0,0.3);
                max-height: calc(100vh - var(--nav-height-mobile));
                overflow-y: auto;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                display: block;
                padding: 12px 10px;
                font-size: 16px;
                border-bottom: 1px solid rgba(255,255,255,0.08);
                border-radius: 0;
            }
            .nav-menu a::after {
                display: none;
            }
            .nav-cta {
                margin-top: 12px;
                width: 100%;
                text-align: center;
            }
            .site-header {
                height: var(--nav-height-mobile);
            }
            .main-content {
                padding-top: var(--nav-height-mobile);
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .hero-category {
                padding: 28px 0 40px;
            }
            .hero-category h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .scene-block {
                gap: 20px;
            }
            .cta-box {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .nav-logo .logo-text {
                font-size: 18px;
            }
            .stat-item .stat-num {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-category h1 {
                font-size: 22px;
            }
            .cat-desc {
                font-size: 14px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 16px 12px;
            }
            .stat-item .stat-num {
                font-size: 22px;
            }
            .stat-item .stat-label {
                font-size: 12px;
            }
            .btn {
                width: 100%;
            }
            .cta-actions {
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-beian {
                flex-direction: column;
                gap: 4px;
            }
        }

/* roulang page: category4 */
:root {
            --brand-deep: #171A22;
            --brand-charcoal: #1C1F28;
            --brand-purple: #4A2A6A;
            --brand-magenta: #C72D6A;
            --brand-pink: #E5356B;
            --brand-pink-hover: #FF3D77;
            --accent-lime: #B9F73E;
            --accent-lime-hover: #A8E62D;
            --bg-light: #F4F6F8;
            --bg-light-alt: #F7F8FA;
            --card-dark: #20242E;
            --card-light: #FFFFFF;
            --text-dark: #1A1D24;
            --text-muted: #5A6072;
            --text-dark-primary: #E8EAEE;
            --text-dark-muted: #B8BDC7;
            --border-light: #E1E4EA;
            --border-dark: #2A3040;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-btn: 0 4px 12px rgba(185,247,62,0.25);
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.35s ease;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 56px;
            --nav-height-desktop: 68px;
            --nav-height-mobile: 60px;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
        }

        a:hover,
        a:focus {
            text-decoration: none;
            outline: none;
        }

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

        button,
        input,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.8;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-pink);
            outline-offset: 2px;
        }

        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--nav-height-desktop);
            background: linear-gradient(100deg, var(--brand-charcoal) 0%, var(--brand-purple) 52%, var(--brand-magenta) 100%);
            box-shadow: 0 2px 16px rgba(0,0,0,0.18);
            transition: box-shadow var(--transition-mid);
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            font-size: 18px;
            color: var(--accent-lime);
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .nav-logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .nav-logo:hover .logo-text,
        .nav-logo:focus .logo-text {
            color: var(--accent-lime);
        }

        .nav-menu-toggle {
            display: none;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 6px;
            color: #fff;
            font-size: 22px;
            width: 46px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .nav-menu-toggle:hover {
            background: rgba(255,255,255,0.2);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li {
            margin: 0;
        }

        .nav-menu a {
            display: inline-block;
            color: rgba(255,255,255,0.88);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            line-height: 1.6;
            letter-spacing: 0.01em;
            position: relative;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-menu a:hover,
        .nav-menu a:focus {
            background: rgba(255,255,255,0.12);
            color: #fff;
        }

        .nav-menu a.active {
            color: var(--accent-lime);
            background: rgba(255,255,255,0.08);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 1px;
        }

        .nav-cta {
            display: inline-block;
            background: var(--accent-lime);
            color: var(--brand-deep);
            font-weight: 700;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            letter-spacing: 0.02em;
            flex-shrink: 0;
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-lime-hover);
            box-shadow: var(--shadow-btn);
            color: var(--brand-deep);
            transform: translateY(-1px);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 86px 0 14px;
            margin-top: 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
        }

        .breadcrumb li + li::before {
            content: '/';
            margin: 0 8px;
            color: var(--border-light);
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb li:last-child {
            color: var(--text-dark);
            font-weight: 500;
        }

        /* ===== Section Common ===== */
        .section-pad {
            padding: var(--section-pad-desktop) 0;
        }

        .section-pad-sm {
            padding: 48px 0;
        }

        .section-title-group {
            margin-bottom: 36px;
        }

        .section-title-group h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 10px;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }

        .section-title-group p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
            max-width: 640px;
            line-height: 1.8;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-pink);
            background: rgba(229,53,107,0.08);
            border: 1px solid rgba(229,53,107,0.2);
            border-radius: 4px;
            padding: 3px 10px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(115deg, var(--brand-charcoal) 0%, var(--brand-purple) 45%, var(--brand-magenta) 100%);
            color: #fff;
            padding: 56px 0 68px;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 560px;
            height: 560px;
            background: radial-gradient(circle, rgba(185,247,62,0.16) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 15%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(229,53,107,0.2) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .category-hero-text {
            flex: 1;
            min-width: 0;
        }

        .category-hero-text h1 {
            font-size: 32px;
            font-weight: 700;
            margin: 0 0 14px;
            line-height: 1.35;
            color: #fff;
            letter-spacing: 0.01em;
        }

        .category-hero-text h1 .highlight {
            color: var(--accent-lime);
        }

        .category-hero-text p {
            font-size: 16px;
            color: rgba(255,255,255,0.82);
            margin: 0;
            max-width: 600px;
            line-height: 1.9;
        }

        .category-hero-visual {
            flex-shrink: 0;
            width: 280px;
            height: 190px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 12px 32px rgba(0,0,0,0.25);
            border: 1px solid rgba(255,255,255,0.15);
        }

        .category-hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Stats Bar ===== */
        .stats-strip {
            background: var(--card-light);
            border-bottom: 1px solid var(--border-light);
            padding: 28px 0;
        }

        .stats-strip-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 8px 12px;
            border-right: 1px solid var(--border-light);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--brand-charcoal);
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

        .stat-number .stat-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-pink);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ===== Article List ===== */
        .article-list-section {
            background: var(--bg-light);
        }

        .article-card {
            background: var(--card-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--border-light);
        }

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

        .article-card .article-thumb {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .article-card .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }

        .article-card:hover .article-thumb img {
            transform: scale(1.04);
        }

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

        .article-card .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-pink);
            background: rgba(229,53,107,0.08);
            padding: 3px 10px;
            border-radius: 4px;
            align-self: flex-start;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .article-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 8px;
            line-height: 1.5;
            color: var(--text-dark);
        }

        .article-card h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .article-card h3 a:hover {
            color: var(--brand-pink);
        }

        .article-card .article-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0 0 14px;
            line-height: 1.8;
            flex: 1;
        }

        .article-card .article-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .article-card .article-meta .meta-date {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-card .article-meta .meta-link {
            color: var(--brand-charcoal);
            font-weight: 600;
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .article-card .article-meta .meta-link:hover {
            color: var(--brand-pink);
        }

        /* ===== Featured Reports ===== */
        .featured-reports {
            background: var(--brand-charcoal);
            color: var(--text-dark-primary);
        }

        .featured-reports .section-title-group h2 {
            color: #fff;
        }

        .featured-reports .section-title-group p {
            color: var(--text-dark-muted);
        }

        .featured-reports .section-label {
            background: rgba(185,247,62,0.1);
            border-color: rgba(185,247,62,0.25);
            color: var(--accent-lime);
        }

        .report-card {
            background: var(--card-dark);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-dark);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-mid), transform var(--transition-mid);
            height: 100%;
        }

        .report-card:hover {
            border-color: rgba(185,247,62,0.35);
            box-shadow: 0 8px 28px rgba(0,0,0,0.25);
            transform: translateY(-3px);
        }

        .report-card .report-thumb {
            width: 100%;
            height: 160px;
            overflow: hidden;
        }

        .report-card .report-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }

        .report-card:hover .report-thumb img {
            transform: scale(1.05);
        }

        .report-card .report-body {
            padding: 20px 22px;
        }

        .report-card .report-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-deep);
            background: var(--accent-lime);
            padding: 2px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .report-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 6px;
            line-height: 1.5;
            color: #fff;
        }

        .report-card h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .report-card h3 a:hover {
            color: var(--accent-lime);
        }

        .report-card p {
            font-size: 14px;
            color: var(--text-dark-muted);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== Methods Section ===== */
        .methods-section {
            background: var(--bg-light-alt);
        }

        .method-item {
            display: flex;
            gap: 18px;
            background: var(--card-light);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            height: 100%;
        }

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

        .method-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-purple) 0%, var(--brand-magenta) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .method-content h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--text-dark);
            line-height: 1.5;
        }

        .method-content p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== Trend Snapshot ===== */
        .trend-section {
            background: #fff;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

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

        .trend-card {
            background: var(--bg-light);
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: background var(--transition-fast), box-shadow var(--transition-mid);
        }

        .trend-card:hover {
            background: #fff;
            box-shadow: var(--shadow-card);
        }

        .trend-card .trend-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--brand-magenta);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .trend-card .trend-number.trend-lime {
            color: #7FB800;
        }

        .trend-card .trend-number.trend-purple {
            color: var(--brand-purple);
        }

        .trend-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 10px 0 6px;
            color: var(--text-dark);
            line-height: 1.5;
        }

        .trend-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-section {
            background: linear-gradient(110deg, var(--brand-charcoal) 0%, var(--brand-purple) 60%, var(--brand-magenta) 100%);
            color: #fff;
        }

        .subscribe-inner {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .subscribe-text {
            flex: 1;
        }

        .subscribe-text h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 8px;
            color: #fff;
            line-height: 1.4;
        }

        .subscribe-text p {
            font-size: 15px;
            color: rgba(255,255,255,0.78);
            margin: 0;
            line-height: 1.8;
        }

        .subscribe-form {
            flex-shrink: 0;
            width: 380px;
            max-width: 100%;
        }

        .subscribe-form .form-row {
            display: flex;
            gap: 10px;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            height: 46px;
            border-radius: var(--radius-input);
            border: 1px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.1);
            color: #fff;
            padding: 0 16px;
            font-size: 15px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255,255,255,0.55);
        }

        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--accent-lime);
            background: rgba(255,255,255,0.14);
        }

        .subscribe-form .btn-subscribe {
            height: 46px;
            padding: 0 22px;
            background: var(--accent-lime);
            color: var(--brand-deep);
            font-weight: 700;
            border: none;
            border-radius: var(--radius-input);
            cursor: pointer;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .subscribe-form .btn-subscribe:hover {
            background: var(--accent-lime-hover);
            box-shadow: var(--shadow-btn);
        }

        .form-hint {
            font-size: 12px;
            color: rgba(255,255,255,0.6);
            margin-top: 8px;
            letter-spacing: 0.02em;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-deep);
            color: var(--text-dark-muted);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border-dark);
        }

        .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-dark-muted);
            margin: 0;
            line-height: 1.8;
        }

        .footer-col h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-dark-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-contact .fc-item {
            font-size: 14px;
            color: var(--text-dark-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.7;
        }

        .footer-contact .fc-item i {
            color: var(--accent-lime);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-dark-muted);
        }

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

        .footer-bottom a {
            color: var(--text-dark-muted);
            transition: color var(--transition-fast);
        }

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

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

            .category-hero-inner {
                gap: 32px;
            }

            .category-hero-visual {
                width: 240px;
                height: 170px;
            }

            .subscribe-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

            .subscribe-form {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 56px;
                --nav-height-desktop: var(--nav-height-mobile);
            }

            .nav-menu-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height-desktop);
                left: 0;
                right: 0;
                background: linear-gradient(110deg, var(--brand-charcoal) 0%, var(--brand-purple) 55%, var(--brand-magenta) 100%);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 24px 20px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0,0,0,0.25);
                border-top: 1px solid rgba(255,255,255,0.12);
            }

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

            .nav-menu a {
                font-size: 16px;
                padding: 12px 14px;
                display: block;
                border-radius: 6px;
            }

            .nav-menu a.active::after {
                left: 14px;
                right: auto;
                bottom: 8px;
                width: 30px;
                height: 3px;
            }

            .nav-cta {
                display: none;
            }

            .breadcrumb-wrap {
                padding-top: 76px;
            }

            .category-hero-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .category-hero-visual {
                width: 100%;
                height: 200px;
            }

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

            .stats-strip-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .stat-item:nth-child(3) {
                border-right: none;
            }

            .stat-item:nth-child(4),
            .stat-item:nth-child(5) {
                border-right: 1px solid var(--border-light);
            }

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

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

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

            .stats-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-item {
                border-right: 1px solid var(--border-light);
                padding: 6px 8px;
            }

            .stat-item:nth-child(even) {
                border-right: none;
            }

            .stat-number {
                font-size: 24px;
            }

            .category-hero {
                padding: 40px 0 48px;
            }

            .category-hero-text h1 {
                font-size: 22px;
            }

            .article-card .article-thumb {
                height: 170px;
            }

            .subscribe-form .form-row {
                flex-direction: column;
            }

            .subscribe-form .btn-subscribe {
                width: 100%;
                justify-content: center;
            }

            .section-title-group h2 {
                font-size: 21px;
            }
        }

        @media (max-width: 400px) {
            .category-hero-text h1 {
                font-size: 20px;
            }

            .category-hero-text p {
                font-size: 14px;
            }

            .article-card .article-thumb {
                height: 150px;
            }
        }

/* roulang page: category5 */
:root {
        --brand-deep: #171A22;
        --brand-charcoal: #1C1F28;
        --brand-purple: #4A2A6A;
        --brand-magenta: #C72D6A;
        --brand-pink: #E5356B;
        --brand-pink-hover: #FF3D77;
        --accent-lime: #B9F73E;
        --accent-lime-hover: #A8E62D;
        --bg-light: #F4F6F8;
        --bg-light-alt: #F7F8FA;
        --card-dark: #20242E;
        --card-light: #FFFFFF;
        --text-dark: #1A1D24;
        --text-muted: #5A6072;
        --text-dark-primary: #E8EAEE;
        --text-dark-muted: #B8BDC7;
        --border-light: #E1E4EA;
        --border-dark: #2A3040;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-input: 6px;
        --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
        --shadow-btn: 0 4px 12px rgba(185,247,62,0.25);
        --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        --transition-fast: 0.2s ease;
        --transition-mid: 0.35s ease;
        --section-pad-desktop: 56px;
        --section-pad-mobile: 48px;
        --nav-height-desktop: 68px;
        --nav-height-mobile: 60px;
    }

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

    body {
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-dark);
        background-color: var(--bg-light);
        margin: 0;
        padding: 0;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
    }

    a:hover,
    a:focus {
        text-decoration: none;
        outline: none;
    }

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

    button,
    input,
    textarea {
        font-family: var(--font-stack);
        font-size: 15px;
        line-height: 1.8;
    }

    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--brand-pink);
        outline-offset: 2px;
    }

    .container {
        max-width: 1120px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 999;
        height: var(--nav-height-desktop);
        background: linear-gradient(100deg, var(--brand-charcoal) 0%, var(--brand-purple) 52%, var(--brand-magenta) 100%);
        box-shadow: 0 2px 16px rgba(0,0,0,0.18);
        transition: box-shadow var(--transition-mid);
    }

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

    .nav-logo {
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }

    .nav-logo .logo-icon {
        width: 38px;
        height: 38px;
        background: rgba(255,255,255,0.12);
        border: 1px solid rgba(255,255,255,0.22);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 10px;
        font-size: 18px;
        color: var(--accent-lime);
        font-weight: 700;
        letter-spacing: -0.5px;
    }

    .nav-logo .logo-text {
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.02em;
        line-height: 1.2;
    }

    .nav-logo:hover .logo-text,
    .nav-logo:focus .logo-text {
        color: var(--accent-lime);
    }

    .nav-menu-toggle {
        display: none;
        background: rgba(255,255,255,0.1);
        border: 1px solid rgba(255,255,255,0.25);
        border-radius: 6px;
        color: #fff;
        font-size: 22px;
        width: 46px;
        height: 42px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: background var(--transition-fast);
    }

    .nav-menu-toggle:hover {
        background: rgba(255,255,255,0.2);
    }

    .nav-menu {
        display: flex;
        align-items: center;
        list-style: none;
        margin: 0;
        padding: 0;
        gap: 4px;
        flex: 1;
        justify-content: center;
    }

    .nav-menu li {
        margin: 0;
    }

    .nav-menu a {
        display: inline-block;
        color: rgba(255,255,255,0.88);
        font-size: 15px;
        font-weight: 500;
        padding: 8px 14px;
        border-radius: 6px;
        line-height: 1.6;
        letter-spacing: 0.01em;
        position: relative;
        transition: color var(--transition-fast), background var(--transition-fast);
    }

    .nav-menu a:hover,
    .nav-menu a:focus {
        color: #fff;
        background: rgba(255,255,255,0.1);
    }

    .nav-menu a.active {
        color: var(--accent-lime);
        background: rgba(185,247,62,0.12);
    }

    .nav-menu a.active::after {
        content: '';
        position: absolute;
        left: 14px;
        right: 14px;
        bottom: 2px;
        height: 2px;
        background: var(--accent-lime);
        border-radius: 2px;
    }

    .nav-cta {
        flex-shrink: 0;
        margin-left: 12px;
    }

    .nav-cta .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--accent-lime);
        color: var(--brand-deep);
        font-weight: 700;
        font-size: 14px;
        padding: 9px 18px;
        border-radius: var(--radius-btn);
        transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    }

    .nav-cta .btn-primary:hover,
    .nav-cta .btn-primary:focus {
        background: var(--accent-lime-hover);
        box-shadow: var(--shadow-btn);
        transform: translateY(-1px);
        color: var(--brand-deep);
    }

    .main-content {
        padding-top: var(--nav-height-desktop);
    }

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

    .section-alt {
        background-color: var(--bg-light-alt);
    }

    .section-dark {
        background: linear-gradient(135deg, var(--brand-charcoal) 0%, var(--brand-purple) 55%, var(--brand-magenta) 100%);
        color: var(--text-dark-primary);
    }

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

    .section-header {
        margin-bottom: 32px;
    }

    .section-header h2 {
        font-size: 26px;
        font-weight: 700;
        line-height: 1.35;
        margin: 0 0 10px;
        color: var(--text-dark);
    }

    .section-header p {
        font-size: 15px;
        color: var(--text-muted);
        margin: 0;
        max-width: 720px;
        line-height: 1.8;
    }

    .section-dark .section-header p {
        color: var(--text-dark-muted);
    }

    /* Breadcrumb */
    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 6px;
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 16px;
        list-style: none;
        padding: 0;
    }

    .breadcrumb li {
        margin: 0;
    }

    .breadcrumb li+li::before {
        content: '/';
        margin-right: 6px;
        color: #B0B6C0;
    }

    .breadcrumb a {
        color: var(--text-muted);
    }

    .breadcrumb a:hover,
    .breadcrumb a:focus {
        color: var(--brand-pink);
    }

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

    /* Category Hero */
    .category-hero {
        background: linear-gradient(135deg, var(--brand-charcoal) 0%, #252A36 45%, #33233D 100%);
        padding: 44px 0 40px;
        color: var(--text-dark-primary);
        position: relative;
        overflow: hidden;
    }

    .category-hero::before {
        content: '';
        position: absolute;
        right: -80px;
        top: -80px;
        width: 320px;
        height: 320px;
        background: radial-gradient(circle, rgba(229,53,107,0.35) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .category-hero::after {
        content: '';
        position: absolute;
        left: -40px;
        bottom: -100px;
        width: 240px;
        height: 240px;
        background: radial-gradient(circle, rgba(185,247,62,0.15) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .category-hero .breadcrumb {
        position: relative;
        z-index: 1;
        color: var(--text-dark-muted);
    }

    .category-hero .breadcrumb a {
        color: var(--text-dark-muted);
    }

    .category-hero .breadcrumb a:hover {
        color: var(--accent-lime);
    }

    .category-hero .breadcrumb .current {
        color: #fff;
    }

    .category-hero h1 {
        font-size: 32px;
        font-weight: 700;
        line-height: 1.3;
        margin: 0 0 12px;
        color: #fff;
        position: relative;
        z-index: 1;
    }

    .category-hero .category-desc {
        font-size: 15px;
        color: var(--text-dark-muted);
        max-width: 680px;
        margin: 0;
        line-height: 1.85;
        position: relative;
        z-index: 1;
    }

    /* Partner Cards */
    .partner-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .partner-card {
        background: var(--card-light);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: box-shadow var(--transition-mid), transform var(--transition-mid);
        display: flex;
        flex-direction: column;
    }

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

    .partner-card .card-img {
        position: relative;
        aspect-ratio: 16/10;
        overflow: hidden;
        background: #E8EBEF;
    }

    .partner-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-mid);
    }

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

    .partner-card .card-tag {
        position: absolute;
        top: 12px;
        left: 12px;
        background: rgba(23,26,34,0.82);
        color: var(--accent-lime);
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 20px;
        letter-spacing: 0.02em;
    }

    .partner-card .card-body {
        padding: 20px 22px 22px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .partner-card .card-body h3 {
        font-size: 18px;
        font-weight: 600;
        margin: 0 0 8px;
        color: var(--text-dark);
        line-height: 1.45;
    }

    .partner-card .card-body p {
        font-size: 14px;
        color: var(--text-muted);
        margin: 0 0 14px;
        line-height: 1.75;
        flex: 1;
    }

    .partner-card .card-meta {
        font-size: 12px;
        color: #8A90A0;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .partner-card .card-meta i {
        color: var(--brand-pink);
        font-size: 12px;
    }

    .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 600;
        color: var(--brand-pink);
        transition: color var(--transition-fast);
    }

    .card-link:hover,
    .card-link:focus {
        color: var(--brand-pink-hover);
    }

    .card-link i {
        transition: transform var(--transition-fast);
    }

    .card-link:hover i {
        transform: translateX(3px);
    }

    /* Tag pills */
    .tag-pills {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .tag-pills li {
        margin: 0;
    }

    .tag-pill {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--card-light);
        border: 1px solid var(--border-light);
        border-radius: 24px;
        padding: 7px 16px;
        font-size: 13px;
        font-weight: 500;
        color: var(--text-dark);
        transition: all var(--transition-fast);
    }

    .tag-pill:hover,
    .tag-pill:focus {
        border-color: var(--brand-pink);
        color: var(--brand-pink);
        background: #FFF5F8;
    }

    .tag-pill i {
        color: var(--brand-pink);
        font-size: 12px;
    }

    /* Stats Bar */
    .stats-bar {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        text-align: center;
    }

    .stat-item .stat-number {
        font-size: 34px;
        font-weight: 700;
        color: var(--accent-lime);
        line-height: 1.2;
        display: block;
        margin-bottom: 4px;
    }

    .stat-item .stat-label {
        font-size: 14px;
        color: var(--text-dark-muted);
    }

    .section-dark .stat-item .stat-label {
        color: var(--text-dark-muted);
    }

    /* Featured List */
    .featured-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .featured-item {
        display: flex;
        gap: 16px;
        background: var(--card-light);
        border-radius: var(--radius-card);
        padding: 16px;
        box-shadow: var(--shadow-card);
        transition: box-shadow var(--transition-mid), transform var(--transition-mid);
    }

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

    .featured-item img {
        width: 120px;
        height: 84px;
        object-fit: cover;
        border-radius: 8px;
        flex-shrink: 0;
    }

    .featured-item .fi-content {
        flex: 1;
        min-width: 0;
    }

    .featured-item .fi-content h3 {
        font-size: 15px;
        font-weight: 600;
        margin: 0 0 6px;
        color: var(--text-dark);
        line-height: 1.45;
    }

    .featured-item .fi-content p {
        font-size: 13px;
        color: var(--text-muted);
        margin: 0 0 8px;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .featured-item .fi-content .fi-meta {
        font-size: 12px;
        color: #8A90A0;
        display: flex;
        gap: 10px;
    }

    /* Coop Steps */
    .coop-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        counter-reset: step;
    }

    .coop-step {
        background: var(--card-light);
        border-radius: var(--radius-card);
        padding: 24px 20px;
        box-shadow: var(--shadow-card);
        position: relative;
        transition: box-shadow var(--transition-mid), transform var(--transition-mid);
    }

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

    .coop-step .step-num {
        width: 32px;
        height: 32px;
        background: linear-gradient(135deg, var(--brand-magenta), var(--brand-pink));
        color: #fff;
        font-weight: 700;
        font-size: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        margin-bottom: 14px;
    }

    .coop-step h3 {
        font-size: 16px;
        font-weight: 600;
        margin: 0 0 8px;
        color: var(--text-dark);
    }

    .coop-step p {
        font-size: 13px;
        color: var(--text-muted);
        margin: 0;
        line-height: 1.7;
    }

    /* Subscribe CTA */
    .subscribe-cta {
        background: var(--card-light);
        border-radius: var(--radius-card);
        padding: 40px 32px;
        box-shadow: var(--shadow-card);
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 24px;
        border-left: 4px solid var(--brand-pink);
    }

    .subscribe-cta .sc-text {
        flex: 1;
        min-width: 260px;
    }

    .subscribe-cta .sc-text h3 {
        font-size: 20px;
        font-weight: 700;
        margin: 0 0 6px;
        color: var(--text-dark);
    }

    .subscribe-cta .sc-text p {
        font-size: 14px;
        color: var(--text-muted);
        margin: 0;
        line-height: 1.7;
    }

    .subscribe-cta .sc-form {
        display: flex;
        gap: 10px;
        flex: 1;
        min-width: 260px;
    }

    .subscribe-cta .sc-form input {
        flex: 1;
        height: 44px;
        border: 1px solid var(--border-light);
        border-radius: var(--radius-input);
        padding: 0 14px;
        font-size: 14px;
        background: #fff;
        color: var(--text-dark);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .subscribe-cta .sc-form input:focus {
        outline: none;
        border-color: var(--brand-pink);
        box-shadow: 0 0 0 3px rgba(229,53,107,0.12);
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--accent-lime);
        color: var(--brand-deep);
        font-weight: 700;
        font-size: 14px;
        padding: 10px 22px;
        border-radius: var(--radius-btn);
        border: none;
        cursor: pointer;
        transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        white-space: nowrap;
    }

    .btn-primary:hover,
    .btn-primary:focus {
        background: var(--accent-lime-hover);
        box-shadow: var(--shadow-btn);
        transform: translateY(-1px);
        color: var(--brand-deep);
    }

    .btn-secondary {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: transparent;
        color: var(--text-dark);
        font-weight: 600;
        font-size: 14px;
        padding: 10px 20px;
        border-radius: var(--radius-btn);
        border: 1px solid var(--border-light);
        cursor: pointer;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
        border-color: var(--brand-pink);
        color: var(--brand-pink);
        background: #FFF5F8;
    }

    /* Back to home link */
    .back-home {
        text-align: center;
        padding: 36px 0 8px;
    }

    .back-home a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--brand-pink);
        font-weight: 600;
        font-size: 15px;
        transition: color var(--transition-fast);
    }

    .back-home a:hover,
    .back-home a:focus {
        color: var(--brand-pink-hover);
    }

    .back-home a i {
        transition: transform var(--transition-fast);
    }

    .back-home a:hover i {
        transform: translateX(-4px);
    }

    /* Footer */
    .site-footer {
        background: var(--brand-deep);
        color: var(--text-dark-muted);
        padding: 48px 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 32px;
        padding-bottom: 32px;
    }

    .footer-brand .logo-text {
        font-size: 22px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.75;
        margin: 0;
        color: var(--text-dark-muted);
        max-width: 280px;
    }

    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin: 0 0 14px;
    }

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

    .footer-col ul li {
        margin: 0 0 8px;
    }

    .footer-col ul li a {
        color: var(--text-dark-muted);
        font-size: 14px;
        transition: color var(--transition-fast);
    }

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

    .footer-contact h4 {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin: 0 0 14px;
    }

    .fc-item {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        margin-bottom: 8px;
        color: var(--text-dark-muted);
    }

    .fc-item i {
        color: var(--accent-lime);
        font-size: 13px;
        width: 16px;
        text-align: center;
    }

    .footer-bottom {
        border-top: 1px solid var(--border-dark);
        padding: 18px 0 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        color: var(--text-dark-muted);
    }

    .footer-bottom a {
        color: var(--text-dark-muted);
    }

    .footer-bottom a:hover,
    .footer-bottom a:focus {
        color: var(--accent-lime);
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
        .partner-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .coop-steps {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .stats-bar {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
    }

    @media (max-width: 768px) {
        .nav-menu-toggle {
            display: flex;
        }
        .nav-menu {
            position: fixed;
            top: var(--nav-height-mobile);
            left: 0;
            right: 0;
            background: linear-gradient(135deg, var(--brand-charcoal) 0%, var(--brand-purple) 60%, var(--brand-magenta) 100%);
            flex-direction: column;
            align-items: flex-start;
            padding: 16px 24px 24px;
            gap: 2px;
            display: none;
            box-shadow: 0 12px 32px rgba(0,0,0,0.25);
            max-height: calc(100vh - var(--nav-height-mobile));
            overflow-y: auto;
        }
        .nav-menu.open {
            display: flex;
        }
        .nav-menu a {
            font-size: 16px;
            padding: 12px 10px;
            width: 100%;
        }
        .nav-menu a.active::after {
            display: none;
        }
        .nav-cta {
            display: none;
        }
        .site-header {
            height: var(--nav-height-mobile);
        }
        .main-content {
            padding-top: var(--nav-height-mobile);
        }
        .category-hero h1 {
            font-size: 26px;
        }
        .partner-grid {
            grid-template-columns: 1fr;
        }
        .featured-list {
            grid-template-columns: 1fr;
        }
        .coop-steps {
            grid-template-columns: 1fr;
        }
        .subscribe-cta {
            flex-direction: column;
            align-items: stretch;
        }
        .subscribe-cta .sc-form {
            flex-direction: column;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 8px;
        }
        .stats-bar {
            grid-template-columns: 2fr 2fr;
        }
        .section {
            padding: var(--section-pad-mobile) 0;
        }
    }

    @media (max-width: 520px) {
        .stats-bar {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .stat-item .stat-number {
            font-size: 28px;
        }
        .featured-item {
            flex-direction: column;
        }
        .featured-item img {
            width: 100%;
            height: 140px;
        }
        .breadcrumb {
            font-size: 12px;
        }
        .category-hero {
            padding: 32px 0 28px;
        }
        .category-hero h1 {
            font-size: 22px;
        }
        .category-desc {
            font-size: 14px;
        }
    }

/* roulang page: category6 */
:root {
            --brand-deep: #171A22;
            --brand-charcoal: #1C1F28;
            --brand-purple: #4A2A6A;
            --brand-magenta: #C72D6A;
            --brand-pink: #E5356B;
            --brand-pink-hover: #FF3D77;
            --accent-lime: #B9F73E;
            --accent-lime-hover: #A8E62D;
            --bg-light: #F4F6F8;
            --bg-light-alt: #F7F8FA;
            --card-dark: #20242E;
            --card-light: #FFFFFF;
            --text-dark: #1A1D24;
            --text-muted: #5A6072;
            --text-dark-primary: #E8EAEE;
            --text-dark-muted: #B8BDC7;
            --border-light: #E1E4EA;
            --border-dark: #2A3040;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-btn: 0 4px 12px rgba(185,247,62,0.25);
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-mid: 0.35s ease;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 48px;
            --nav-height-desktop: 68px;
            --nav-height-mobile: 60px;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-dark);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height-desktop);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
        }

        a:hover,
        a:focus {
            text-decoration: none;
            outline: none;
        }

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

        button,
        input,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.8;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-pink);
            outline-offset: 2px;
        }

        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--nav-height-desktop);
            background: linear-gradient(100deg, var(--brand-charcoal) 0%, var(--brand-purple) 52%, var(--brand-magenta) 100%);
            box-shadow: 0 2px 16px rgba(0,0,0,0.18);
            transition: box-shadow var(--transition-mid);
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            font-size: 18px;
            color: var(--accent-lime);
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .nav-logo .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .nav-logo:hover .logo-text,
        .nav-logo:focus .logo-text {
            color: var(--accent-lime);
        }

        .nav-menu-toggle {
            display: none;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 6px;
            color: #fff;
            font-size: 22px;
            width: 46px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .nav-menu-toggle:hover {
            background: rgba(255,255,255,0.2);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li {
            margin: 0;
        }

        .nav-menu a {
            display: inline-block;
            color: rgba(255,255,255,0.88);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            line-height: 1.6;
            letter-spacing: 0.01em;
            position: relative;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent-lime);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-fast);
        }

        .nav-menu a:hover,
        .nav-menu a:focus {
            background: rgba(255,255,255,0.1);
            color: #fff;
        }

        .nav-menu a:hover::after,
        .nav-menu a:focus::after {
            transform: scaleX(1);
        }

        .nav-menu a.active {
            background: rgba(255,255,255,0.12);
            color: var(--accent-lime);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            transform: scaleX(1);
        }

        .nav-cta {
            flex-shrink: 0;
            margin-left: 16px;
        }

        .nav-cta .btn-nav-cta {
            display: inline-block;
            background: var(--accent-lime);
            color: var(--brand-deep);
            font-weight: 700;
            font-size: 14px;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .nav-cta .btn-nav-cta:hover,
        .nav-cta .btn-nav-cta:focus {
            background: var(--accent-lime-hover);
            box-shadow: var(--shadow-btn);
            transform: translateY(-1px);
        }

        /* ===== Section Base ===== */
        .site-main {
            display: block;
            min-height: 60vh;
        }

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

        .section-alt {
            background: var(--bg-light-alt);
        }

        .section-dark {
            background: var(--brand-charcoal);
            color: var(--text-dark-primary);
        }

        .section-heading {
            margin-bottom: 36px;
        }

        .section-heading .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-pink);
            background: rgba(229,53,107,0.1);
            padding: 5px 14px;
            border-radius: 99px;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .section-heading h2 {
            font-size: 26px;
            font-weight: 700;
            color: inherit;
            letter-spacing: 0.01em;
            line-height: 1.4;
            margin: 0;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 12px 0 0;
            line-height: 1.8;
            max-width: 720px;
        }

        .section-dark .section-heading p {
            color: var(--text-dark-muted);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--brand-pink);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .breadcrumb-bar a:hover,
        .breadcrumb-bar a:focus {
            color: var(--brand-pink-hover);
        }

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

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

        /* ===== Category Page Header ===== */
        .category-hero {
            background: linear-gradient(135deg, var(--brand-charcoal) 0%, var(--brand-purple) 68%, var(--brand-magenta) 100%);
            color: #fff;
            padding: 52px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(185,247,62,0.08);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(229,53,107,0.15);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero-wrapper {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 36px;
            align-items: center;
        }

        .category-hero-info .breadcrumb-bar {
            color: rgba(255,255,255,0.7);
            margin-bottom: 14px;
        }

        .category-hero-info .breadcrumb-bar a {
            color: var(--accent-lime);
        }

        .category-hero-info .breadcrumb-bar a:hover {
            color: var(--accent-lime-hover);
        }

        .category-hero-info .breadcrumb-bar .sep {
            color: rgba(255,255,255,0.35);
        }

        .category-hero-info .breadcrumb-bar .current {
            color: #fff;
        }

        .category-hero-info h1 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.35;
            letter-spacing: 0.01em;
        }

        .category-hero-info .category-desc {
            font-size: 15px;
            color: rgba(255,255,255,0.82);
            line-height: 1.85;
            margin: 0;
            max-width: 560px;
        }

        .category-hero-info .hero-pain-point {
            display: inline-block;
            margin-top: 16px;
            font-size: 14px;
            color: var(--accent-lime);
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(185,247,62,0.1);
            border: 1px solid rgba(185,247,62,0.25);
            padding: 7px 16px;
            border-radius: 99px;
        }

        .category-hero-form-card {
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.18);
            border-radius: var(--radius-card);
            padding: 24px 22px;
        }

        .category-hero-form-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .category-hero-form-card p {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            margin: 0 0 16px;
            line-height: 1.6;
        }

        .category-hero-form-card .form-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .category-hero-form-card input[type="email"] {
            flex: 1;
            min-width: 180px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.22);
            border-radius: var(--radius-input);
            color: #fff;
            padding: 11px 14px;
            height: 42px;
            font-size: 14px;
            transition: border var(--transition-fast), background var(--transition-fast);
        }

        .category-hero-form-card input[type="email"]::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .category-hero-form-card input[type="email"]:focus {
            border-color: var(--accent-lime);
            background: rgba(255,255,255,0.16);
            outline: none;
        }

        .category-hero-form-card .btn-submit {
            background: var(--accent-lime);
            color: var(--brand-deep);
            font-weight: 700;
            border: none;
            padding: 0 20px;
            height: 42px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            font-size: 14px;
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .category-hero-form-card .btn-submit:hover,
        .category-hero-form-card .btn-submit:focus {
            background: var(--accent-lime-hover);
            box-shadow: var(--shadow-btn);
            transform: translateY(-1px);
        }

        /* ===== Data Stats Bar ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .stat-item {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
        }

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

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--brand-pink);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .stat-number .unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-muted);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ===== Topic List Cards ===== */
        .topic-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .topic-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            align-items: stretch;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
        }

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

        .topic-card .topic-thumb {
            width: 220px;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
            background: #e9ebef;
        }

        .topic-card .topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }

        .topic-card:hover .topic-thumb img {
            transform: scale(1.04);
        }

        .topic-card .topic-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
            flex: 1;
        }

        .topic-card .topic-tag-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .topic-card .topic-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 99px;
            letter-spacing: 0.02em;
            background: rgba(229,53,107,0.08);
            color: var(--brand-pink);
        }

        .topic-card .topic-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .topic-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0;
            line-height: 1.5;
        }

        .topic-card h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .topic-card h3 a:hover,
        .topic-card h3 a:focus {
            color: var(--brand-pink);
        }

        .topic-card .topic-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

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

        .topic-card .topic-meta i {
            margin-right: 5px;
            color: var(--brand-pink);
        }

        .view-more-wrap {
            text-align: center;
            margin-top: 28px;
        }

        .btn-outline-primary {
            display: inline-block;
            background: transparent;
            border: 1.5px solid var(--brand-pink);
            color: var(--brand-pink);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 26px;
            border-radius: var(--radius-btn);
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background: var(--brand-pink);
            color: #fff;
            box-shadow: 0 4px 14px rgba(229,53,107,0.3);
        }

        /* ===== Featured Activities ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .featured-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
            display: flex;
            flex-direction: column;
        }

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

        .featured-card .featured-thumb {
            height: 160px;
            overflow: hidden;
            background: #e9ebef;
            position: relative;
        }

        .featured-card .featured-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }

        .featured-card:hover .featured-thumb img {
            transform: scale(1.05);
        }

        .featured-card .featured-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .featured-card .featured-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 99px;
            background: rgba(185,247,62,0.18);
            color: #5c7a1e;
            letter-spacing: 0.02em;
            align-self: flex-start;
        }

        .featured-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0;
            line-height: 1.5;
        }

        .featured-card .featured-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Community Members ===== */
        .members-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .member-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), transform var(--transition-mid);
        }

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

        .member-card .member-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-purple) 0%, var(--brand-magenta) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            margin: 0 auto 12px;
            letter-spacing: 0;
        }

        .member-card .member-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 4px;
        }

        .member-card .member-title {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== Community Rules ===== */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .rule-card {
            background: var(--card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 22px 22px;
            transition: border var(--transition-fast), box-shadow var(--transition-mid);
        }

        .rule-card:hover {
            border-color: rgba(185,247,62,0.35);
            box-shadow: 0 4px 16px rgba(0,0,0,0.2);
        }

        .rule-card .rule-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(185,247,62,0.12);
            color: var(--accent-lime);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 12px;
        }

        .rule-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .rule-card p {
            font-size: 14px;
            color: var(--text-dark-muted);
            margin: 0;
            line-height: 1.75;
        }

        /* ===== CTA / Subscribe ===== */
        .community-cta {
            background: linear-gradient(120deg, var(--brand-charcoal) 0%, var(--brand-purple) 60%, var(--brand-magenta) 100%);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
        }

        .community-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(185,247,62,0.08);
            pointer-events: none;
        }

        .community-cta .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .community-cta h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .community-cta p {
            font-size: 15px;
            color: rgba(255,255,255,0.75);
            margin: 0;
            line-height: 1.7;
            max-width: 480px;
        }

        .community-cta .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .community-cta .cta-form input[type="email"] {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-input);
            color: #fff;
            padding: 12px 16px;
            height: 46px;
            min-width: 240px;
            font-size: 15px;
            transition: border var(--transition-fast), background var(--transition-fast);
        }

        .community-cta .cta-form input[type="email"]::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .community-cta .cta-form input[type="email"]:focus {
            border-color: var(--accent-lime);
            background: rgba(255,255,255,0.16);
            outline: none;
        }

        .community-cta .cta-form .btn-submit {
            background: var(--accent-lime);
            color: var(--brand-deep);
            font-weight: 700;
            border: none;
            padding: 0 26px;
            height: 46px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            font-size: 15px;
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .community-cta .cta-form .btn-submit:hover,
        .community-cta .cta-form .btn-submit:focus {
            background: var(--accent-lime-hover);
            box-shadow: var(--shadow-btn);
            transform: translateY(-1px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-deep);
            color: var(--text-dark-muted);
            padding: 52px 0 0;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border-dark);
        }

        .site-footer .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--text-dark-muted);
            line-height: 1.75;
            margin: 0;
            max-width: 260px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

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

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

        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: var(--text-dark-muted);
            transition: color var(--transition-fast);
            line-height: 1.6;
        }

        .site-footer .footer-col ul li a:hover,
        .site-footer .footer-col ul li a:focus {
            color: var(--accent-lime);
        }

        .site-footer .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }

        .site-footer .footer-contact .fc-item {
            font-size: 14px;
            color: var(--text-dark-muted);
            margin-bottom: 10px;
            line-height: 1.6;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-contact .fc-item i {
            color: var(--brand-pink);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 20px 0 24px;
            font-size: 13px;
            color: var(--text-dark-muted);
        }

        .site-footer .footer-bottom .footer-beian {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom a {
            color: var(--text-dark-muted);
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover,
        .site-footer .footer-bottom a:focus {
            color: var(--accent-lime);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --section-pad-desktop: 56px;
            }

            .category-hero-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .category-hero-info .category-desc {
                max-width: none;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .members-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .rules-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 48px;
                --nav-height-desktop: 60px;
            }

            body {
                padding-top: var(--nav-height-mobile);
            }

            .site-header {
                height: var(--nav-height-mobile);
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height-mobile);
                left: 0;
                right: 0;
                background: var(--brand-charcoal);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                border-top: 1px solid var(--border-dark);
                box-shadow: 0 12px 24px rgba(0,0,0,0.2);
            }

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

            .nav-menu li a {
                display: block;
                padding: 12px 14px;
                font-size: 16px;
            }

            .nav-menu a::after {
                display: none;
            }

            .nav-menu-toggle {
                display: flex;
            }

            .nav-cta {
                display: none;
            }

            .nav-logo .logo-text {
                font-size: 18px;
            }

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

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

            .category-hero-wrapper {
                gap: 18px;
            }

            .topic-card {
                flex-direction: column;
            }

            .topic-card .topic-thumb {
                width: 100%;
                height: 180px;
            }

            .topic-card .topic-body {
                padding: 16px 18px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-number {
                font-size: 26px;
            }

            .featured-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .members-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

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

            .community-cta {
                padding: 28px 20px;
            }

            .community-cta .cta-inner {
                flex-direction: column;
                align-items: stretch;
                text-align: left;
            }

            .community-cta .cta-form {
                flex-direction: column;
            }

            .community-cta .cta-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }

            .community-cta .cta-form .btn-submit {
                width: 100%;
            }

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

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad-desktop: 40px;
            }

            .container {
                padding: 0 16px;
            }

            .category-hero-info h1 {
                font-size: 21px;
            }

            .category-hero-form-card {
                padding: 18px 16px;
            }

            .category-hero-form-card .form-row {
                flex-direction: column;
            }

            .category-hero-form-card input[type="email"] {
                min-width: auto;
                width: 100%;
            }

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

            .stat-item {
                padding: 16px 12px;
            }

            .stat-number {
                font-size: 22px;
            }

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

            .member-card {
                padding: 16px 12px;
            }

            .topic-card .topic-thumb {
                height: 150px;
            }
        }