/* roulang page: index */
:root {
            --color-bg: #F7F9FC;
            --color-surface: #FFFFFF;
            --color-primary: #2E5A8A;
            --color-primary-dark: #1B3A5C;
            --color-primary-mid: #3E6B9E;
            --color-accent: #C9A96E;
            --color-accent-light: #E8D6B2;
            --color-text: #3A4A5A;
            --color-text-dark: #1B3A5C;
            --color-text-muted: #6B7A8A;
            --color-bg-light: #E8F0FA;
            --color-input-bg: #F0F3F6;
            --color-border: #D9E2EC;
            --radius: 8px;
            --radius-sm: 4px;
            --radius-lg: 12px;
            --shadow-sm: 0 4px 16px rgba(27, 58, 92, 0.08);
            --shadow-md: 0 8px 24px rgba(27, 58, 92, 0.14);
            --shadow-lg: 0 16px 40px rgba(27, 58, 92, 0.18);
            --transition: all 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', '思源宋体', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--color-primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: var(--transition);
        }

        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-text-dark);
        }

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

        /* Header & Navigation */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 68px;
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo a {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            line-height: 1;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            position: relative;
            text-decoration: none;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 12px 28px;
            border-radius: var(--radius);
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

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

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: #b8955e;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero */
        .hero {
            padding-top: 68px;
            background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg) 60%, #f0f4f8 100%);
            position: relative;
            overflow: hidden;
            min-height: 80vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero .container {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .hero-text {
            max-width: 560px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.1);
            border: 1px solid var(--color-accent);
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .hero-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        .hero h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            line-height: 1.25;
            color: var(--color-text-dark);
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero h1 .highlight {
            color: var(--color-primary);
            position: relative;
            display: inline-block;
        }

        .hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(201, 169, 110, 0.3);
            border-radius: 3px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: var(--color-text-muted);
            margin-bottom: 28px;
            max-width: 500px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }

        .hero-kpi-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

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

        .hero-kpi .kpi-number {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.2;
        }

        .hero-kpi .kpi-label {
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
        }

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

        .hero-visual-main {
            position: relative;
            width: 100%;
            aspect-ratio: 4/3;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transform: rotate(-2deg);
            transition: var(--transition);
        }

        .hero-visual-main:hover {
            transform: rotate(0deg) scale(1.01);
        }

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

        .hero-visual-float {
            position: absolute;
            background: var(--color-surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 18px 22px;
            z-index: 2;
            border: 1px solid var(--color-border);
        }

        .hero-visual-float.float-1 {
            top: 8%;
            right: -6%;
            transform: rotate(3deg);
            animation: floatY 5s ease-in-out infinite;
        }

        .hero-visual-float.float-2 {
            bottom: 10%;
            left: -5%;
            transform: rotate(-2deg);
            animation: floatY 6s ease-in-out infinite 1s;
        }

        .hero-visual-float .float-number {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .hero-visual-float .float-label {
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
        }

        @keyframes floatY {
            0%, 100% { transform: translateY(0) rotate(3deg); }
            50% { transform: translateY(-10px) rotate(1deg); }
        }

        .float-2 {
            animation-name: floatY2;
        }

        @keyframes floatY2 {
            0%, 100% { transform: translateY(0) rotate(-2deg); }
            50% { transform: translateY(-8px) rotate(-1deg); }
        }

        /* Section Common */
        section {
            padding: 72px 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-title .accent-line {
            display: block;
            width: 40px;
            height: 2px;
            background: var(--color-accent);
            margin-top: 10px;
            border-radius: 1px;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-muted);
            max-width: 720px;
        }

        /* Countdown */
        .countdown-section {
            background: var(--color-primary-dark);
            padding: 40px 0;
            position: relative;
            overflow: hidden;
        }

        .countdown-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .countdown-section .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .countdown-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .countdown-info .label {
            font-size: 13px;
            color: var(--color-accent-light);
            letter-spacing: 2px;
            text-transform: uppercase;
            font-weight: 600;
        }

        .countdown-info .title {
            font-family: var(--font-serif);
            font-size: 22px;
            color: #fff;
            font-weight: 700;
        }

        .countdown-timer {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .cd-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 12px 18px;
            min-width: 72px;
            backdrop-filter: blur(4px);
        }

        .cd-unit .cd-number {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
        }

        .cd-unit .cd-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
        }

        /* Metrics Board */
        .metrics-section {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 48px 0;
        }

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

        .metric-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .metric-card .metric-number {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.2;
        }

        .metric-card .metric-number span {
            font-size: 20px;
            color: var(--color-accent);
        }

        .metric-card .metric-label {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        .metric-card .metric-source {
            font-size: 11px;
            color: var(--color-text-muted);
            opacity: 0.6;
            margin-top: 4px;
        }

        /* Brand Intro */
        .brand-intro-section {
            background: var(--color-bg);
            padding: 72px 0;
        }

        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro-text .section-title {
            margin-bottom: 20px;
        }

        .brand-intro-text p {
            font-size: 16px;
            line-height: 2;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .brand-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* Services Matrix */
        .services-section {
            background: var(--color-surface);
            padding: 72px 0;
        }

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

        .service-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 28px 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            width: 44px;
            height: 44px;
            background: var(--color-bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.4;
        }

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

        .service-card .service-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.1);
            padding: 4px 10px;
            border-radius: 50px;
            margin-top: auto;
            align-self: flex-start;
            border: 1px solid rgba(201, 169, 110, 0.3);
        }

        /* Comparison */
        .comparison-section {
            background: var(--color-bg);
            padding: 72px 0;
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }

        .comparison-col {
            padding: 40px 32px;
        }

        .comparison-col.without {
            background: #f8f5f0;
            border-right: 1px solid var(--color-border);
        }

        .comparison-col.with {
            background: var(--color-surface);
        }

        .comparison-col .col-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: 18px;
        }

        .comparison-col.without .col-label {
            background: rgba(107, 122, 138, 0.15);
            color: var(--color-text-muted);
        }

        .comparison-col.with .col-label {
            background: rgba(46, 90, 138, 0.1);
            color: var(--color-primary);
        }

        .comparison-col h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 18px;
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .comparison-list li {
            font-size: 14px;
            line-height: 1.6;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .comparison-list li .marker {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
        }

        .without .marker {
            background: rgba(107, 122, 138, 0.2);
            color: var(--color-text-muted);
        }

        .with .marker {
            background: var(--color-primary);
            color: #fff;
        }

        .comparison-progress {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .progress-item .progress-label {
            font-size: 13px;
            color: var(--color-text-muted);
            display: flex;
            justify-content: space-between;
        }

        .progress-bar {
            height: 8px;
            background: var(--color-bg-light);
            border-radius: 4px;
            overflow: hidden;
        }

        .progress-bar .fill {
            height: 100%;
            border-radius: 4px;
            background: var(--color-accent);
            transition: width 1s ease;
        }

        /* Media Showcase */
        .media-section {
            background: var(--color-surface);
            padding: 72px 0;
            position: relative;
        }

        .media-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .media-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .media-scroll::-webkit-scrollbar-track {
            background: var(--color-bg-light);
            border-radius: 2px;
        }

        .media-scroll::-webkit-scrollbar-thumb {
            background: var(--color-accent);
            border-radius: 2px;
        }

        .media-card {
            flex: 0 0 280px;
            min-width: 280px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            overflow: hidden;
            scroll-snap-align: start;
            transition: var(--transition);
        }

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

        .media-card .media-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .media-card .media-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .media-card .media-type {
            position: absolute;
            top: 10px;
            left: 10px;
            font-size: 11px;
            font-weight: 600;
            color: #fff;
            background: rgba(27, 58, 92, 0.75);
            padding: 4px 10px;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }

        .media-card .media-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .media-card .media-body h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.4;
        }

        .media-card .media-body p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Collection Zones */
        .collection-section {
            background: var(--color-bg);
            padding: 72px 0;
        }

        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .collection-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 3/4;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .collection-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .collection-card .collection-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 20px 20px;
            background: linear-gradient(to top, rgba(27, 58, 92, 0.85) 0%, rgba(27, 58, 92, 0.4) 50%, transparent 100%);
            color: #fff;
        }

        .collection-card .collection-overlay h4 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 4px;
        }

        .collection-card .collection-overlay span {
            font-size: 12px;
            color: var(--color-accent-light);
            letter-spacing: 1px;
        }

        /* Guarantee Icons */
        .guarantee-section {
            background: var(--color-primary-dark);
            padding: 48px 0;
        }

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

        .guarantee-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 8px;
        }

        .guarantee-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-accent);
        }

        .guarantee-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
        }

        .guarantee-item p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.5;
        }

        /* News */
        .news-section {
            background: var(--color-surface);
            padding: 72px 0;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 18px;
            background: var(--color-bg);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            text-decoration: none;
        }

        .news-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .news-item .news-date {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 52px;
            padding: 8px 10px;
            background: var(--color-primary-dark);
            border-radius: var(--radius-sm);
        }

        .news-item .news-date .day {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .news-item .news-date .month {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.7);
        }

        .news-item .news-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-dark);
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .news-item .news-content p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-sidebar {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-sidebar h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-dark);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--color-accent);
        }

        .news-sidebar .side-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text);
            padding: 8px 0;
            border-bottom: 1px dashed var(--color-border);
            text-decoration: none;
            transition: var(--transition);
        }

        .news-sidebar .side-link:hover {
            color: var(--color-primary);
            padding-left: 6px;
        }

        .news-sidebar .side-link:last-child {
            border-bottom: none;
        }

        /* Registration CTA */
        .registration-section {
            background: var(--color-bg-light);
            padding: 72px 0;
        }

        .registration-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
            border: 1px solid var(--color-border);
        }

        .registration-info h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .registration-info p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .registration-benefits {
            display: flex;
            flex-direction: column;
            gap: 10px;
            list-style: none;
        }

        .registration-benefits li {
            font-size: 14px;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .registration-benefits li::before {
            content: '✓';
            color: var(--color-accent);
            font-weight: 700;
            flex-shrink: 0;
        }

        .reg-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-dark);
            letter-spacing: 0.5px;
        }

        .form-group input,
        .form-group textarea {
            padding: 12px 16px;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius);
            background: var(--color-input-bg);
            transition: var(--transition);
            font-size: 15px;
            color: var(--color-text-dark);
            width: 100%;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            background: #fff;
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 90, 138, 0.1);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-submit {
            margin-top: 8px;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-surface);
            padding: 72px 0;
        }

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

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-dark);
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }

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

        .faq-question .faq-indicator {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-primary);
            transition: var(--transition);
        }

        .faq-item.open .faq-indicator {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

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

        .faq-answer-inner {
            padding: 0 22px 22px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-muted);
        }

        .faq-item.open .faq-question {
            background: var(--color-bg-light);
            border-bottom: 1px solid var(--color-border);
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 24px;
        }

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

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo a {
            color: #fff;
            font-size: 22px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

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

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-contact {
            font-size: 14px;
            line-height: 2;
            color: rgba(255, 255, 255, 0.6);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
                text-align: center;
            }

            .hero-text {
                max-width: 100%;
                margin: 0 auto;
            }

            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-cta-group {
                justify-content: center;
            }

            .hero-kpi-row {
                justify-content: center;
            }

            .hero-visual-main {
                aspect-ratio: 16/9;
                max-width: 600px;
                margin: 0 auto;
            }

            .hero-visual-float.float-1 {
                right: 2%;
                top: 4%;
            }

            .hero-visual-float.float-2 {
                left: 2%;
                bottom: 6%;
            }

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

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

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }

            .registration-card {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }

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

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

            .comparison-col.without {
                border-right: none;
                border-bottom: 1px solid var(--color-border);
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }

            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--color-surface);
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 24px 20px;
                transform: translateX(100%);
                transition: transform 0.35s ease;
                z-index: 999;
                box-shadow: var(--shadow-lg);
                overflow-y: auto;
            }

            .main-nav.open {
                transform: translateX(0);
            }

            .main-nav a {
                font-size: 18px;
                padding: 14px 0;
                width: 100%;
                border-bottom: 1px solid var(--color-border);
                border-radius: 0;
            }

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

            .main-nav a.active {
                color: var(--color-primary);
                background: transparent;
            }

            .header-cta {
                display: none;
            }

            .main-nav .nav-cta-mobile {
                display: block;
                width: 100%;
                margin-top: 16px;
                text-align: center;
            }

            .main-nav .nav-cta-mobile .btn {
                width: 100%;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                min-height: auto;
                padding-top: 60px;
            }

            .hero .container {
                padding-top: 36px;
                padding-bottom: 36px;
            }

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

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-visual-float {
                display: none;
            }

            section {
                padding: 48px 0;
            }

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

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

            .metric-card .metric-number {
                font-size: 28px;
            }

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

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

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

            .form-row {
                grid-template-columns: 1fr;
            }

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

            .countdown-section .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .media-card {
                flex: 0 0 240px;
                min-width: 240px;
            }
        }

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

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

            .hero-tag {
                font-size: 11px;
                padding: 4px 12px;
            }

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

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .metric-card {
                padding: 16px 12px;
            }

            .metric-card .metric-number {
                font-size: 22px;
            }

            .metric-card .metric-label {
                font-size: 12px;
            }

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

            .registration-card {
                padding: 24px 16px;
            }

            .countdown-timer {
                flex-wrap: wrap;
            }

            .cd-unit {
                min-width: 60px;
                padding: 8px 12px;
            }

            .cd-unit .cd-number {
                font-size: 24px;
            }

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

            .news-item .news-date {
                min-width: auto;
                flex-direction: row;
                gap: 6px;
                justify-content: flex-start;
                padding: 6px 10px;
            }

            .news-item .news-date .day {
                font-size: 16px;
            }
        }

/* roulang page: category2 */
:root {
            --color-bg: #F7F9FC;
            --color-surface: #FFFFFF;
            --color-primary: #2E5A8A;
            --color-primary-dark: #1B3A5C;
            --color-primary-mid: #3E6B9E;
            --color-accent: #C9A96E;
            --color-accent-light: #E8D6B2;
            --color-text: #3A4A5A;
            --color-text-dark: #1B3A5C;
            --color-text-muted: #6B7A8A;
            --color-bg-light: #E8F0FA;
            --color-input-bg: #F0F3F6;
            --color-border: #D9E2EC;
            --radius: 8px;
            --radius-sm: 4px;
            --radius-lg: 12px;
            --shadow-sm: 0 4px 16px rgba(27, 58, 92, 0.08);
            --shadow-md: 0 8px 24px rgba(27, 58, 92, 0.14);
            --shadow-lg: 0 16px 40px rgba(27, 58, 92, 0.18);
            --transition: all 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', '思源宋体', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 68px;
        }

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

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

        a:hover {
            color: var(--color-primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: var(--transition);
        }

        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-text-dark);
        }

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

        /* Header & Navigation */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 68px;
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo a {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            line-height: 1;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            position: relative;
            text-decoration: none;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .nav-cta-mobile {
            display: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 12px 28px;
            border-radius: var(--radius);
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-primary);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }

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

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 16px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            font-size: 14px;
            color: var(--color-text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .breadcrumb-bar .sep {
            color: var(--color-accent);
            font-size: 14px;
        }

        .breadcrumb-bar .current {
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Category2 Page Hero */
        .page-hero {
            background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
            padding: 64px 0 48px;
            position: relative;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-primary) 100%);
            opacity: 0.6;
        }

        .page-hero .container {
            display: flex;
            align-items: flex-start;
            gap: 48px;
            flex-wrap: wrap;
        }

        .page-hero-text {
            flex: 1 1 55%;
            min-width: 320px;
        }

        .page-hero-text .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(46, 90, 138, 0.08);
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(46, 90, 138, 0.2);
        }

        .page-hero-text .eyebrow::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .page-hero-text h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

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

        .page-hero-text .lead {
            font-size: 17px;
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 580px;
        }

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

        .page-hero-stats {
            flex: 1 1 35%;
            min-width: 280px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .stat-float-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 24px 28px;
            display: flex;
            align-items: center;
            gap: 20px;
            border-left: 3px solid var(--color-accent);
            transition: var(--transition);
        }

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

        .stat-float-card .stat-number {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1;
            letter-spacing: 1px;
        }

        .stat-float-card .stat-label {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* Banner Section */
        .retail-banner {
            padding: 12px 0 56px;
            background: var(--color-bg);
        }

        .retail-banner .container {
            position: relative;
        }

        .banner-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .banner-image-wrap img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 58, 92, 0.85) 0%, rgba(27, 58, 92, 0.35) 60%, rgba(27, 58, 92, 0.1) 100%);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: flex-end;
            padding: 36px 40px;
        }

        .banner-overlay-content h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            color: #fff;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .banner-overlay-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 520px;
            line-height: 1.7;
        }

        .banner-gold-line {
            width: 48px;
            height: 2px;
            background: var(--color-accent);
            margin-bottom: 16px;
            border-radius: 2px;
        }

        /* Two Column Text List */
        .retail-dual-section {
            padding: 48px 0 64px;
            background: var(--color-bg);
        }

        .retail-dual-section .section-heading {
            margin-bottom: 36px;
            text-align: left;
        }

        .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary-dark);
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .section-heading .gold-divider {
            width: 40px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            margin-bottom: 16px;
        }

        .section-heading p {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.7;
        }

        .dual-col-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .dual-col-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 32px;
            transition: var(--transition);
            border: 1px solid var(--color-border);
        }

        .dual-col-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(46, 90, 138, 0.3);
        }

        .dual-col-card .card-heading {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .dual-col-card .card-heading .card-icon {
            width: 40px;
            height: 40px;
            background: var(--color-bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            flex-shrink: 0;
            border: 1px solid rgba(46, 90, 138, 0.2);
        }

        .dual-col-card .card-heading h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 0.5px;
        }

        .dual-col-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .dual-col-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.7;
        }

        .dual-col-card ul li::before {
            content: '';
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-top: 10px;
        }

        .dual-col-card ul li strong {
            color: var(--color-primary-dark);
            font-weight: 600;
        }

        /* Metrics Strip */
        .metrics-strip {
            padding: 48px 0;
            background: var(--color-primary-dark);
            position: relative;
        }

        .metrics-strip::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            opacity: 0.7;
        }

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

        .metric-item {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

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

        .metric-item .metric-number {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: 1px;
        }

        .metric-item .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        .metric-item .metric-note {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 4px;
        }

        /* Experience Flow */
        .experience-flow {
            padding: 64px 0;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
        }

        .experience-flow .container {
            display: flex;
            gap: 48px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .experience-flow-text {
            flex: 1 1 38%;
            min-width: 280px;
        }

        .experience-flow-text h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            color: var(--color-primary-dark);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .experience-flow-text .gold-divider {
            width: 40px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            margin-bottom: 16px;
        }

        .experience-flow-text p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .experience-flow-steps {
            flex: 1 1 52%;
            min-width: 300px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .flow-step {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--color-bg);
            border-radius: var(--radius);
            padding: 18px 22px;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }

        .flow-step:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .flow-step .step-index {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .flow-step .step-content h4 {
            font-size: 16px;
            color: var(--color-primary-dark);
            font-weight: 700;
            margin-bottom: 2px;
        }

        .flow-step .step-content p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* FAQ Section */
        .faq-section {
            padding: 64px 0;
            background: var(--color-bg);
        }

        .faq-section .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-section .section-heading .gold-divider {
            margin-left: auto;
            margin-right: auto;
        }

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

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

        .faq-item:hover {
            border-color: rgba(46, 90, 138, 0.3);
        }

        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary-dark);
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .faq-indicator {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
        }

        .faq-item.active .faq-indicator {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.8;
            background: var(--color-bg-light);
            border-radius: 0 0 var(--radius) var(--radius);
            margin: 0 10px 10px;
            padding-top: 14px;
        }

        /* CTA Form Section */
        .consult-section {
            padding: 64px 0 80px;
            background: var(--color-bg-light);
            border-top: 1px solid var(--color-border);
        }

        .consult-section .section-heading {
            text-align: center;
            margin-bottom: 36px;
        }

        .consult-section .section-heading .gold-divider {
            margin-left: auto;
            margin-right: auto;
        }

        .consult-form-wrap {
            max-width: 640px;
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 36px 40px;
            border: 1px solid var(--color-border);
        }

        .consult-form {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary-dark);
            letter-spacing: 0.5px;
        }

        .form-group input,
        .form-group textarea {
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            background: var(--color-input-bg);
            font-size: 15px;
            color: var(--color-text-dark);
            transition: var(--transition);
            width: 100%;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(46, 90, 138, 0.1);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-submit-btn {
            align-self: flex-end;
            min-width: 160px;
        }

        .form-note {
            font-size: 12px;
            color: var(--color-text-muted);
            text-align: center;
            margin-top: 12px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo a {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 360px;
        }

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

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .contact-item {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-links-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links-row a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links-row a:hover {
            color: var(--color-accent);
        }

        .footer-links-row span {
            color: rgba(255, 255, 255, 0.3);
            font-size: 12px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }

            .page-hero-text h1 {
                font-size: 34px;
            }

            .dual-col-grid {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }

            .site-header {
                height: 60px;
            }

            .site-header .container {
                padding: 0 16px;
            }

            .header-cta {
                display: none;
            }

            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--color-surface);
                flex-direction: column;
                gap: 0;
                padding: 24px 20px;
                transform: translateX(100%);
                transition: transform 0.35s ease;
                z-index: 999;
                overflow-y: auto;
                align-items: stretch;
                justify-content: flex-start;
            }

            .main-nav.open {
                transform: translateX(0);
            }

            .main-nav a {
                font-size: 18px;
                padding: 14px 16px;
                border-bottom: 1px solid var(--color-border);
                border-radius: 0;
                text-align: left;
                white-space: normal;
            }

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

            .main-nav a.active {
                background: var(--color-bg-light);
                border-left: 3px solid var(--color-primary);
            }

            .hamburger {
                display: flex;
            }

            .nav-cta-mobile {
                display: block;
                padding-top: 20px;
            }

            .nav-cta-mobile .btn {
                width: 100%;
            }

            .page-hero {
                padding: 40px 0 32px;
            }

            .page-hero .container {
                flex-direction: column;
                gap: 24px;
            }

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

            .page-hero-text .lead {
                font-size: 15px;
            }

            .banner-image-wrap img {
                height: 240px;
            }

            .banner-overlay {
                padding: 20px 24px;
            }

            .banner-overlay-content h2 {
                font-size: 20px;
            }

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

            .dual-col-card {
                padding: 20px;
            }

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

            .metric-item .metric-number {
                font-size: 26px;
            }

            .experience-flow .container {
                flex-direction: column;
                gap: 28px;
            }

            .experience-flow-text h2 {
                font-size: 24px;
            }

            .consult-form-wrap {
                padding: 24px 20px;
            }

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

            .section-heading h2 {
                font-size: 24px;
            }

            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
        }

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

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

            .stat-float-card {
                padding: 16px 20px;
            }

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

            .banner-image-wrap img {
                height: 200px;
            }

            .banner-overlay-content h2 {
                font-size: 18px;
            }

            .banner-overlay-content p {
                font-size: 13px;
            }

            .metric-item .metric-number {
                font-size: 22px;
            }

            .metric-item .metric-label {
                font-size: 11px;
            }

            .flow-step {
                flex-direction: row;
                padding: 14px 16px;
                gap: 14px;
            }

            .flow-step .step-index {
                width: 30px;
                height: 30px;
                font-size: 12px;
            }

            .faq-question {
                font-size: 14px;
                padding: 12px 14px;
            }

            .faq-answer-inner {
                margin: 0 6px 6px;
                padding: 10px 12px;
                font-size: 14px;
            }

            .dual-col-card .card-heading h3 {
                font-size: 17px;
            }

            .consult-section {
                padding: 40px 0 56px;
            }

            .form-submit-btn {
                width: 100%;
                align-self: stretch;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg: #F7F9FC;
            --color-surface: #FFFFFF;
            --color-primary: #2E5A8A;
            --color-primary-dark: #1B3A5C;
            --color-primary-mid: #3E6B9E;
            --color-accent: #C9A96E;
            --color-accent-light: #E8D6B2;
            --color-text: #3A4A5A;
            --color-text-dark: #1B3A5C;
            --color-text-muted: #6B7A8A;
            --color-bg-light: #E8F0FA;
            --color-input-bg: #F0F3F6;
            --color-border: #D9E2EC;
            --radius: 8px;
            --radius-sm: 4px;
            --radius-lg: 12px;
            --shadow-sm: 0 4px 16px rgba(27, 58, 92, 0.08);
            --shadow-md: 0 8px 24px rgba(27, 58, 92, 0.14);
            --shadow-lg: 0 16px 40px rgba(27, 58, 92, 0.18);
            --transition: all 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', '思源宋体', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 68px;
        }

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

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

        a:hover {
            color: var(--color-primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: var(--transition);
        }

        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-text-dark);
        }

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

        /* Header & Navigation */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 68px;
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo a {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            line-height: 1;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            position: relative;
            text-decoration: none;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 12px 28px;
            border-radius: var(--radius);
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-bg-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-light);
            flex-shrink: 0;
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary-dark);
            border-radius: 1px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .nav-cta-mobile {
            display: none;
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            background: var(--color-bg-light);
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
        }

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

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

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

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

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

        /* Category Page Header */
        .category-header {
            padding: 48px 0 16px;
        }

        .category-header .title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .category-header h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-text-dark);
            letter-spacing: 1px;
            line-height: 1.3;
        }

        .category-header .gold-line {
            width: 40px;
            height: 1px;
            background: var(--color-accent);
            margin-top: 12px;
        }

        .category-header .category-desc {
            max-width: 720px;
            font-size: 16px;
            color: var(--color-text-muted);
            margin-top: 16px;
            line-height: 1.8;
        }

        .category-header .result-count {
            font-size: 14px;
            color: var(--color-text-muted);
            background: var(--color-surface);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .result-count strong {
            color: var(--color-primary);
            font-size: 16px;
        }

        /* Filter + Grid Layout */
        .filter-grid-wrapper {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 32px;
            padding: 32px 0 64px;
        }

        /* Filter Sidebar */
        .filter-sidebar {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            height: fit-content;
            position: sticky;
            top: 92px;
        }

        .filter-group {
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border);
        }

        .filter-group:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .filter-group h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .filter-group h3::before {
            content: '';
            width: 3px;
            height: 14px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .filter-option {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            font-size: 14px;
            color: var(--color-text);
        }

        .filter-option:hover {
            background: var(--color-bg-light);
            color: var(--color-primary-dark);
        }

        .filter-option input[type="checkbox"],
        .filter-option input[type="radio"] {
            accent-color: var(--color-primary);
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            cursor: pointer;
        }

        .filter-option .option-count {
            margin-left: auto;
            font-size: 12px;
            color: var(--color-text-muted);
            background: var(--color-bg-light);
            padding: 2px 8px;
            border-radius: 10px;
        }

        .filter-option.active {
            background: var(--color-bg-light);
            color: var(--color-primary);
            font-weight: 600;
        }

        .filter-reset {
            width: 100%;
            padding: 10px 16px;
            background: var(--color-bg-light);
            color: var(--color-text-muted);
            border-radius: var(--radius);
            font-size: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 8px;
            transition: var(--transition);
        }

        .filter-reset:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        /* Brand Cards Grid */
        .brand-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .brand-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .brand-card .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .brand-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .brand-card .card-image .image-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, rgba(27, 58, 92, 0.05) 0%, rgba(27, 58, 92, 0.25) 100%);
            pointer-events: none;
        }

        .brand-card .card-tag-row {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            z-index: 2;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.92);
            color: var(--color-primary-dark);
            border: 1px solid var(--color-accent);
            backdrop-filter: blur(4px);
        }

        .badge-accent {
            background: rgba(201, 169, 110, 0.15);
            color: #8B6F3A;
            border-color: var(--color-accent);
        }

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

        .brand-card .card-title {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }

        .brand-card:hover .card-title {
            color: var(--color-primary);
        }

        .brand-card .card-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .brand-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }

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

        .brand-card .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* Empty state for filter */
        .no-results {
            text-align: center;
            padding: 60px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .no-results h3 {
            font-size: 20px;
            color: var(--color-text-dark);
            margin-bottom: 8px;
        }

        .no-results p {
            color: var(--color-text-muted);
            font-size: 14px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: #fff;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo a {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 12px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-accent);
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-contact .contact-item {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }

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

        .footer-links-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-links-row span {
            color: rgba(255, 255, 255, 0.4);
        }

        /* Mobile Navigation Drawer */
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(27, 58, 92, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-overlay.show {
            opacity: 1;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .filter-grid-wrapper {
                grid-template-columns: 220px 1fr;
                gap: 20px;
            }

            .brand-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }

            .site-header {
                height: 60px;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--color-surface);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 24px 80px;
                gap: 8px;
                overflow-y: auto;
                z-index: 1001;
                box-shadow: var(--shadow-lg);
            }

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

            .main-nav a {
                font-size: 18px;
                padding: 14px 20px;
                width: 100%;
                border-radius: var(--radius);
            }

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

            .main-nav a.active {
                background: var(--color-bg-light);
            }

            .hamburger {
                display: flex;
            }

            .header-cta {
                display: none;
            }

            .nav-cta-mobile {
                display: block;
                width: 100%;
                margin-top: 16px;
            }

            .nav-cta-mobile .btn {
                width: 100%;
            }

            .mobile-overlay.show {
                display: block;
            }

            .category-header h1 {
                font-size: 30px;
            }

            .filter-grid-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 24px 0 48px;
            }

            .filter-sidebar {
                position: static;
                display: none;
            }

            .filter-sidebar.open {
                display: block;
            }

            .filter-mobile-toggle {
                display: flex;
                align-items: center;
                gap: 8px;
                padding: 10px 16px;
                background: var(--color-surface);
                border: 1px solid var(--color-border);
                border-radius: var(--radius);
                font-size: 14px;
                font-weight: 600;
                color: var(--color-text-dark);
                margin-bottom: 16px;
                width: fit-content;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }

            .footer-links-row {
                justify-content: center;
            }
        }

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

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

            .category-header .title-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .brand-card .card-body {
                padding: 16px 18px 18px;
            }

            .brand-card .card-title {
                font-size: 18px;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
        }

        @media (min-width: 769px) {
            .filter-mobile-toggle {
                display: none;
            }
        }

/* roulang page: category3 */
:root {
            --color-bg: #F7F9FC;
            --color-surface: #FFFFFF;
            --color-primary: #2E5A8A;
            --color-primary-dark: #1B3A5C;
            --color-primary-mid: #3E6B9E;
            --color-accent: #C9A96E;
            --color-accent-light: #E8D6B2;
            --color-text: #3A4A5A;
            --color-text-dark: #1B3A5C;
            --color-text-muted: #6B7A8A;
            --color-bg-light: #E8F0FA;
            --color-input-bg: #F0F3F6;
            --color-border: #D9E2EC;
            --radius: 8px;
            --radius-sm: 4px;
            --radius-lg: 12px;
            --shadow-sm: 0 4px 16px rgba(27, 58, 92, 0.08);
            --shadow-md: 0 8px 24px rgba(27, 58, 92, 0.14);
            --shadow-lg: 0 16px 40px rgba(27, 58, 92, 0.18);
            --transition: all 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', '思源宋体', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', system-ui, -apple-system, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: var(--transition);
        }
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-text-dark);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 68px;
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo a {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            line-height: 1;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            position: relative;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 12px 28px;
            border-radius: var(--radius);
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-bg-light);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 6px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-primary-dark);
            border-radius: 1px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .page-main {
            padding-top: 68px;
        }
        .category-hero {
            background: var(--color-bg-light);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--color-border);
        }
        .category-hero .container {
            max-width: 1200px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .separator {
            color: var(--color-accent);
        }
        .breadcrumb .current {
            color: var(--color-primary-dark);
            font-weight: 600;
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--color-text);
            max-width: 800px;
            line-height: 1.8;
        }
        .hero-accent-line {
            width: 40px;
            height: 2px;
            background: var(--color-accent);
            margin-bottom: 16px;
            border-radius: 1px;
        }
        .section {
            padding: 60px 0;
        }
        .section-light {
            background: var(--color-surface);
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-bottom: 32px;
            max-width: 720px;
            line-height: 1.7;
        }
        .section-accent-line {
            width: 40px;
            height: 2px;
            background: var(--color-accent);
            margin-bottom: 20px;
            border-radius: 1px;
        }
        .alternating-list {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .alt-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .alt-row:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .alt-row.reverse .alt-image {
            order: 2;
        }
        .alt-row.reverse .alt-content {
            order: 1;
        }
        .alt-image {
            height: 100%;
            min-height: 300px;
            overflow: hidden;
            position: relative;
        }
        .alt-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .alt-row:hover .alt-image img {
            transform: scale(1.03);
        }
        .alt-content {
            padding: 32px 36px;
        }
        .alt-content .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-surface);
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            padding: 4px 12px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .alt-content h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .alt-content p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .alt-content .stat-row {
            display: flex;
            gap: 24px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
        }
        .alt-content .stat-item .stat-number {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-serif);
        }
        .alt-content .stat-item .stat-label {
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .goals-section {
            background: var(--color-primary-dark);
            color: #fff;
            padding: 60px 0;
        }
        .goals-section .section-title {
            color: #fff;
        }
        .goals-section .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .goals-section .section-accent-line {
            background: var(--color-accent);
        }
        .goals-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .goal-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: var(--transition);
        }
        .goal-card:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .goal-card .goal-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-serif);
        }
        .goal-card .goal-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 8px;
            line-height: 1.5;
        }
        .impact-section {
            padding: 60px 0;
            background: var(--color-surface);
        }
        .impact-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .impact-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .impact-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-accent);
        }
        .impact-card .impact-icon {
            width: 48px;
            height: 48px;
            background: var(--color-bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .impact-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 10px;
        }
        .impact-card p {
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.7;
        }
        .faq-section {
            padding: 60px 0;
            background: var(--color-bg);
        }
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-dark);
            background: transparent;
            width: 100%;
            text-align: left;
            line-height: 1.5;
        }
        .faq-question .indicator {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--color-bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 18px;
            transition: var(--transition);
        }
        .faq-item.open .faq-question .indicator {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            background: var(--color-bg-light);
            color: var(--color-primary-dark);
        }
        .cta-section {
            padding: 60px 0;
            background: var(--color-surface);
        }
        .cta-card {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            border: 1px solid var(--color-border);
        }
        .cta-card h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 12px;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--color-text);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            padding: 48px 0 32px;
        }
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
        }
        .site-footer .logo a {
            color: #fff;
        }
        .site-footer .logo-icon {
            background: rgba(255, 255, 255, 0.15);
            color: var(--color-accent);
        }
        .footer-brand p {
            margin-top: 16px;
            line-height: 1.7;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-links-row {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
        }
        .footer-links-row a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }
        .footer-links-row a:hover {
            color: var(--color-accent);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(27, 58, 92, 0.95);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-overlay.show {
            display: flex;
        }
        .mobile-overlay a {
            color: #fff;
            font-size: 18px;
            padding: 14px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            text-decoration: none;
            display: block;
        }
        .mobile-overlay a:hover {
            color: var(--color-accent);
        }
        .mobile-overlay .btn {
            margin-top: 16px;
        }
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .alt-row {
                gap: 24px;
            }
            .alt-content {
                padding: 24px;
            }
            .goals-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .impact-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .site-header {
                height: 60px;
            }
            .page-main {
                padding-top: 60px;
            }
            .mobile-overlay {
                top: 60px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .alt-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .alt-row.reverse .alt-image {
                order: 1;
            }
            .alt-row.reverse .alt-content {
                order: 2;
            }
            .alt-image {
                min-height: 220px;
            }
            .alt-content {
                padding: 24px;
            }
            .alt-content h3 {
                font-size: 19px;
            }
            .alt-content .stat-row {
                flex-direction: column;
                gap: 10px;
            }
            .goals-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .impact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 32px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }
            .alt-content .tag {
                font-size: 11px;
                padding: 3px 8px;
            }
            .alt-content h3 {
                font-size: 17px;
            }
            .alt-content p {
                font-size: 14px;
            }
            .goal-card .goal-number {
                font-size: 28px;
            }
            .goal-card .goal-label {
                font-size: 12px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 13px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 15px;
            }
        }

/* roulang page: category4 */
:root {
            --color-bg: #F7F9FC;
            --color-surface: #FFFFFF;
            --color-primary: #2E5A8A;
            --color-primary-dark: #1B3A5C;
            --color-primary-mid: #3E6B9E;
            --color-accent: #C9A96E;
            --color-accent-light: #E8D6B2;
            --color-text: #3A4A5A;
            --color-text-dark: #1B3A5C;
            --color-text-muted: #6B7A8A;
            --color-bg-light: #E8F0FA;
            --color-input-bg: #F0F3F6;
            --color-border: #D9E2EC;
            --radius: 8px;
            --radius-sm: 4px;
            --radius-lg: 12px;
            --shadow-sm: 0 4px 16px rgba(27, 58, 92, 0.08);
            --shadow-md: 0 8px 24px rgba(27, 58, 92, 0.14);
            --shadow-lg: 0 16px 40px rgba(27, 58, 92, 0.18);
            --transition: all 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', '思源宋体', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 68px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: var(--transition);
        }
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-text-dark);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 68px;
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo a {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            line-height: 1;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            position: relative;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 12px 28px;
            border-radius: var(--radius);
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-bg-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary-dark);
            border-radius: 1px;
            transition: var(--transition);
        }
        .hamburger:hover span {
            background: var(--color-primary);
        }
        .nav-cta-mobile {
            display: none;
        }
        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-nav li+li::before {
            content: '/';
            color: var(--color-border);
            font-size: 12px;
        }
        .breadcrumb-nav a {
            color: var(--color-text-muted);
            font-size: 14px;
        }
        .breadcrumb-nav a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-nav .current {
            color: var(--color-primary-dark);
            font-weight: 500;
        }
        /* Page Header */
        .page-header {
            background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
            padding: 56px 0 40px;
        }
        .page-header .container {
            max-width: 900px;
        }
        .page-header h1 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .page-header .lead {
            font-size: 18px;
            color: var(--color-text);
            line-height: 1.8;
            max-width: 680px;
        }
        .gold-divider {
            width: 40px;
            height: 1px;
            background: var(--color-accent);
            margin: 18px 0 20px;
        }
        /* Article layout with sidebar TOC */
        .article-layout {
            padding: 48px 0 60px;
        }
        .article-layout .container {
            display: flex;
            gap: 40px;
            align-items: flex-start;
        }
        .toc-sidebar {
            flex: 0 0 240px;
            position: sticky;
            top: 92px;
            max-height: calc(100vh - 110px);
            overflow-y: auto;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            border: 1px solid var(--color-border);
        }
        .toc-sidebar .toc-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-text-dark);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border);
        }
        .toc-sidebar ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .toc-sidebar ul li {
            margin-bottom: 4px;
        }
        .toc-sidebar ul li a {
            display: block;
            padding: 8px 10px;
            font-size: 14px;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            border-left: 2px solid transparent;
            transition: var(--transition);
        }
        .toc-sidebar ul li a:hover,
        .toc-sidebar ul li a.active {
            background: var(--color-bg-light);
            color: var(--color-primary);
            border-left-color: var(--color-accent);
        }
        .toc-toggle-mobile {
            display: none;
            width: 100%;
            padding: 12px 16px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-dark);
            text-align: left;
            gap: 8px;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .toc-toggle-mobile span {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-main {
            flex: 1;
            min-width: 0;
            max-width: 720px;
            margin: 0 auto;
        }
        .article-section {
            margin-bottom: 44px;
        }
        .article-section h2 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border);
        }
        .article-section h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-primary-dark);
            margin-bottom: 12px;
            margin-top: 20px;
        }
        .article-section p {
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .article-section ul,
        .article-section ol {
            padding-left: 20px;
            margin-bottom: 16px;
        }
        .article-section ul li,
        .article-section ol li {
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 8px;
        }
        .article-section .highlight-box {
            background: var(--color-bg-light);
            border-left: 3px solid var(--color-accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .article-section .highlight-box p {
            margin-bottom: 0;
            font-weight: 500;
            color: var(--color-text-dark);
        }
        /* Data cards in article */
        .data-inline-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin: 24px 0;
        }
        .data-inline-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .data-inline-card .number {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary-dark);
            display: block;
        }
        .data-inline-card .label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 6px;
            display: block;
        }
        /* CTA Section */
        .cta-section {
            padding: 56px 0 60px;
            background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
        }
        .cta-section .container {
            max-width: 720px;
            text-align: center;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 16px;
            color: var(--color-text);
            margin-bottom: 24px;
        }
        .cta-section .btn {
            font-size: 16px;
            padding: 14px 32px;
        }
        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 0;
        }
        .site-footer .container {
            max-width: 1200px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 32px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 14px;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .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: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-contact .contact-item {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
            line-height: 1.6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-links-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-links-row a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }
        .footer-links-row a:hover {
            color: var(--color-accent);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout .container {
                gap: 24px;
            }
            .toc-sidebar {
                flex: 0 0 200px;
            }
            .data-inline-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }
            .site-header {
                height: 60px;
            }
            .site-header .container {
                flex-wrap: nowrap;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                box-shadow: var(--shadow-md);
                gap: 2px;
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 18px;
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid var(--color-border);
                border-radius: 0;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a.active::after {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-cta-mobile {
                display: block;
                width: 100%;
                margin-top: 8px;
            }
            .nav-cta-mobile a {
                width: 100%;
                justify-content: center;
                font-size: 16px !important;
                padding: 14px 0 !important;
                text-align: center;
                background: var(--color-primary);
                color: #fff !important;
                border-radius: var(--radius);
            }
            .nav-cta-mobile a:hover {
                background: var(--color-primary-dark) !important;
                color: #fff !important;
            }
            .page-header {
                padding: 40px 0 28px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .page-header .lead {
                font-size: 16px;
            }
            .article-layout {
                padding: 28px 0 40px;
            }
            .article-layout .container {
                flex-direction: column;
                gap: 20px;
            }
            .toc-sidebar {
                display: none;
                position: static;
                flex: none;
                width: 100%;
                max-height: none;
                border-radius: var(--radius);
                box-shadow: none;
                padding: 12px 16px;
            }
            .toc-sidebar.open {
                display: block;
            }
            .toc-toggle-mobile {
                display: flex;
            }
            .toc-toggle-mobile .arrow {
                transition: transform 0.25s ease;
            }
            .toc-toggle-mobile .arrow.rotated {
                transform: rotate(180deg);
            }
            .article-main {
                max-width: 100%;
            }
            .article-section h2 {
                font-size: 22px;
            }
            .article-section h3 {
                font-size: 17px;
            }
            .data-inline-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .data-inline-card {
                padding: 14px 10px;
            }
            .data-inline-card .number {
                font-size: 22px;
            }
            .data-inline-card .label {
                font-size: 12px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo a {
                font-size: 20px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .page-header .lead {
                font-size: 15px;
                line-height: 1.7;
            }
            .data-inline-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .article-section p {
                font-size: 15px;
                line-height: 1.8;
            }
            .article-section ul li,
            .article-section ol li {
                font-size: 15px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .cta-section .btn {
                font-size: 15px;
                padding: 12px 24px;
            }
        }

/* roulang page: category5 */
:root {
            --color-bg: #F7F9FC;
            --color-surface: #FFFFFF;
            --color-primary: #2E5A8A;
            --color-primary-dark: #1B3A5C;
            --color-primary-mid: #3E6B9E;
            --color-accent: #C9A96E;
            --color-accent-light: #E8D6B2;
            --color-text: #3A4A5A;
            --color-text-dark: #1B3A5C;
            --color-text-muted: #6B7A8A;
            --color-bg-light: #E8F0FA;
            --color-input-bg: #F0F3F6;
            --color-border: #D9E2EC;
            --radius: 8px;
            --radius-sm: 4px;
            --radius-lg: 12px;
            --shadow-sm: 0 4px 16px rgba(27, 58, 92, 0.08);
            --shadow-md: 0 8px 24px rgba(27, 58, 92, 0.14);
            --shadow-lg: 0 16px 40px rgba(27, 58, 92, 0.18);
            --transition: all 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', '思源宋体', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: var(--transition);
        }
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-text-dark);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 68px;
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo a {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            line-height: 1;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            position: relative;
            text-decoration: none;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .header-cta {
            flex-shrink: 0;
            margin-left: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 12px 28px;
            border-radius: var(--radius);
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: var(--color-bg-light);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
            border-radius: var(--radius-lg);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--color-border);
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary-dark);
            border-radius: 1px;
            transition: var(--transition);
        }
        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .nav-cta-mobile {
            display: none;
        }
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .header-cta .btn {
                padding: 10px 16px;
                font-size: 13px;
            }
        }
        @media (max-width: 900px) {
            .main-nav {
                display: none;
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 8px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--color-border);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 18px;
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius);
            }
            .main-nav a.active::after {
                display: none;
            }
            .nav-cta-mobile {
                display: block;
                width: 100%;
                margin-top: 16px;
                padding-top: 16px;
                border-top: 1px solid var(--color-border);
            }
            .nav-cta-mobile .btn {
                width: 100%;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 20px 0 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            color: var(--color-accent);
            font-weight: 600;
        }
        .breadcrumb .current {
            color: var(--color-primary-dark);
            font-weight: 600;
        }

        /* Hero Section - Trial Application style */
        .talent-hero {
            position: relative;
            background: linear-gradient(135deg, #E8F0FA 0%, #F7F9FC 55%, #FFFFFF 100%);
            padding: 110px 0 90px;
            overflow: hidden;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        .talent-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: right center;
            opacity: 0.15;
            pointer-events: none;
        }
        .talent-hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .talent-hero-text .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg-light);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            margin-bottom: 24px;
        }
        .talent-hero-text h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.3;
            margin: 0 0 20px;
            letter-spacing: 1px;
        }
        .talent-hero-text h1 .accent {
            color: var(--color-accent);
        }
        .talent-hero-text .hero-sub {
            font-size: 17px;
            color: var(--color-text);
            line-height: 1.8;
            margin: 0 0 28px;
            max-width: 560px;
        }
        .talent-hero-text .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-badges {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .badge-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: var(--transition);
        }
        .badge-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }
        .badge-card .badge-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            color: var(--color-primary);
        }
        .badge-card .badge-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-dark);
            margin: 0 0 4px;
        }
        .badge-card .badge-content p {
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }
        .badge-card .badge-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.1);
            border: 1px solid var(--color-accent);
            padding: 2px 10px;
            border-radius: 20px;
            margin-left: auto;
            white-space: nowrap;
            flex-shrink: 0;
            align-self: center;
        }
        @media (max-width: 768px) {
            .talent-hero {
                padding: 90px 0 60px;
                min-height: auto;
            }
            .talent-hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .talent-hero-text h1 {
                font-size: 30px;
            }
            .talent-hero-text .hero-sub {
                font-size: 15px;
            }
            .badge-card {
                padding: 16px 18px;
            }
            .badge-card .badge-tag {
                display: none;
            }
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0 0 12px;
            line-height: 1.35;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 40px;
            height: 1px;
            background: var(--color-accent);
            margin-top: 16px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.7;
            margin: 12px 0 0;
        }

        /* Introduction Block */
        .talent-intro {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }
        .talent-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .talent-intro-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: var(--transition);
        }
        .talent-intro-image:hover img {
            transform: scale(1.02);
        }
        .talent-intro-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(27, 58, 92, 0.12);
            pointer-events: none;
            border-radius: var(--radius-lg);
        }
        .talent-intro-text h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0 0 16px;
        }
        .talent-intro-text p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.8;
            margin: 0 0 14px;
        }
        .talent-intro-text .intro-stats {
            display: flex;
            gap: 20px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .talent-intro-text .intro-stat {
            background: var(--color-bg-light);
            border-radius: var(--radius);
            padding: 16px 20px;
            text-align: center;
            flex: 1;
            min-width: 120px;
            border: 1px solid var(--color-border);
        }
        .talent-intro-text .intro-stat .stat-num {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-dark);
            display: block;
        }
        .talent-intro-text .intro-stat .stat-label {
            font-size: 14px;
            color: var(--color-text-muted);
        }
        @media (max-width: 768px) {
            .talent-intro {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .talent-intro-image img {
                height: 260px;
            }
        }

        /* Masonry Grid Section */
        .masonry-grid {
            column-count: 3;
            column-gap: 24px;
        }
        .masonry-card {
            break-inside: avoid;
            margin-bottom: 24px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
            cursor: pointer;
        }
        .masonry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .masonry-card .card-image {
            position: relative;
            overflow: hidden;
        }
        .masonry-card .card-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .masonry-card:hover .card-image img {
            transform: scale(1.03);
        }
        .masonry-card .card-image .image-overlay {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(27, 58, 92, 0.85);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        .masonry-card .card-body {
            padding: 20px 22px;
        }
        .masonry-card .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-dark);
            margin: 0 0 8px;
            line-height: 1.45;
        }
        .masonry-card .card-body p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .masonry-card .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .masonry-card .card-tags .tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.08);
            border: 1px solid var(--color-accent-light);
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        @media (max-width: 900px) {
            .masonry-grid {
                column-count: 2;
            }
        }
        @media (max-width: 600px) {
            .masonry-grid {
                column-count: 1;
            }
            .masonry-card .card-image img {
                height: 220px;
            }
        }

        /* Process / Growth Path */
        .growth-path {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }
        .growth-step {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            position: relative;
        }
        .growth-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .growth-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary-dark);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            margin: 0 auto 16px;
        }
        .growth-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-dark);
            margin: 0 0 8px;
        }
        .growth-step p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 900px) {
            .growth-path {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 500px) {
            .growth-path {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-dark);
            gap: 12px;
            background: transparent;
            transition: var(--transition);
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-bg-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            transition: var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            background: var(--color-bg-light);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
        }

        /* CTA / Application Form */
        .talent-cta {
            background: var(--color-primary-dark);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .talent-cta::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .talent-cta .container {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .talent-cta-text h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .talent-cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin: 0 0 24px;
        }
        .talent-cta-text .cta-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin: 0 0 24px;
        }
        .talent-cta-text .cta-list li {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .talent-cta-text .cta-list li::before {
            content: '✦';
            color: var(--color-accent);
            font-size: 12px;
        }
        .cta-form-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-lg);
        }
        .cta-form-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin: 0 0 8px;
        }
        .cta-form-card .form-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            margin: 0 0 20px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-dark);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius);
            background: var(--color-input-bg);
            font-size: 15px;
            color: var(--color-text-dark);
            transition: var(--transition);
            box-sizing: border-box;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--color-primary);
            background: #fff;
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 90, 138, 0.12);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-submit {
            width: 100%;
            padding: 14px 28px;
            font-size: 16px;
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .talent-cta .container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .cta-form-card {
                padding: 24px 20px;
            }
            .talent-cta-text h2 {
                font-size: 24px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: #fff;
            padding: 60px 0 30px;
            position: relative;
        }
        .site-footer .container {
            position: relative;
            z-index: 1;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo a {
            font-size: 22px;
            color: #fff;
        }
        .footer-brand .logo .logo-icon {
            background: rgba(255, 255, 255, 0.15);
            color: var(--color-accent);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 1px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-contact .contact-item {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
        }
        .footer-links-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-links-row a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links-row a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }

/* roulang page: category6 */
:root {
            --color-bg: #F7F9FC;
            --color-surface: #FFFFFF;
            --color-primary: #2E5A8A;
            --color-primary-dark: #1B3A5C;
            --color-primary-mid: #3E6B9E;
            --color-accent: #C9A96E;
            --color-accent-light: #E8D6B2;
            --color-text: #3A4A5A;
            --color-text-dark: #1B3A5C;
            --color-text-muted: #6B7A8A;
            --color-bg-light: #E8F0FA;
            --color-input-bg: #F0F3F6;
            --color-border: #D9E2EC;
            --radius: 8px;
            --radius-sm: 4px;
            --radius-lg: 12px;
            --shadow-sm: 0 4px 16px rgba(27, 58, 92, 0.08);
            --shadow-md: 0 8px 24px rgba(27, 58, 92, 0.14);
            --shadow-lg: 0 16px 40px rgba(27, 58, 92, 0.18);
            --transition: all 0.25s ease;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', '思源宋体', 'Songti SC', 'SimSun', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', '微软雅黑', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--color-primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            background: none;
            transition: var(--transition);
        }

        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 15px;
            color: var(--color-text-dark);
        }

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

        /* Header & Navigation */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 68px;
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo a {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 1px;
            line-height: 1;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            position: relative;
            text-decoration: none;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 12px 28px;
            border-radius: var(--radius);
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-bg-light);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 14px;
        }

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

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary-dark);
            border-radius: 1px;
            transition: var(--transition);
        }

        .hamburger span:nth-child(2) {
            width: 18px;
        }

        .nav-cta-mobile {
            display: none;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-bg-light);
            border-bottom: 1px solid var(--color-border);
            padding: 84px 0 0;
            margin-top: 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            padding: 16px 0;
            flex-wrap: wrap;
        }

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

        .breadcrumb a:hover {
            color: var(--color-primary-dark);
        }

        .breadcrumb .separator {
            color: var(--color-accent);
            font-weight: 600;
        }

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

        /* Page Hero */
        .page-hero {
            background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg) 50%, var(--color-surface) 100%);
            padding: 48px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .page-hero-text h1 {
            font-family: var(--font-serif);
            font-size: 38px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .page-hero-text h1 .accent-line {
            display: block;
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 16px;
        }

        .page-hero-text .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: var(--color-text);
            margin-bottom: 28px;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .page-hero-media {
            position: relative;
        }

        .media-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .media-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }

        .media-card-body {
            padding: 24px 28px;
        }

        .media-card-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.12);
            border: 1px solid var(--color-accent);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .media-card h3 {
            font-size: 18px;
            color: var(--color-text-dark);
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .media-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .media-card .toc-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .media-card .toc-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text);
            padding: 6px 0;
            border-bottom: 1px dashed var(--color-border);
        }

        .media-card .toc-list li:last-child {
            border-bottom: none;
        }

        .media-card .toc-list .toc-dot {
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* Section General */
        .section {
            padding: 72px 0;
        }

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

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

        .section-header {
            margin-bottom: 40px;
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-header h2 .title-accent {
            display: inline-block;
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-left: 12px;
            vertical-align: middle;
        }

        .section-header p {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 680px;
            line-height: 1.8;
        }

        /* Brand Philosophy Section */
        .philosophy-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .philosophy-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .philosophy-visual img {
            width: 100%;
            aspect-ratio: 4/5;
            object-fit: cover;
        }

        .philosophy-text h3 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .philosophy-text .gold-divider {
            width: 40px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }

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

        .philosophy-text .highlight-quote {
            font-family: var(--font-serif);
            font-size: 18px;
            color: var(--color-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--color-accent);
            padding-left: 18px;
            margin: 20px 0;
            line-height: 1.8;
        }

        /* News Insights Grid */
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .insight-card {
            background: var(--color-surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }

        .insight-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }

        .insight-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }

        .insight-card-body {
            padding: 22px 24px;
        }

        .insight-card .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-bg-light);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .insight-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-dark);
            line-height: 1.5;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

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

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

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-accent-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-item.active {
            border-color: var(--color-primary-mid);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            gap: 16px;
            width: 100%;
            background: transparent;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-dark);
            letter-spacing: 0.3px;
            transition: var(--transition);
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: var(--transition);
            font-weight: 700;
        }

        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

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

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

        .faq-answer p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.9;
            background: var(--color-bg-light);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
        }

        /* CTA Form Section */
        .cta-form-section {
            background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-surface) 100%);
            padding: 72px 0;
        }

        .form-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px 48px;
            border: 1px solid var(--color-border);
            max-width: 800px;
            margin: 0 auto;
        }

        .form-card h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .form-card .form-subtitle {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-bottom: 28px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            margin-bottom: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-dark);
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            background: var(--color-input-bg);
            border: 1px solid transparent;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--color-text-dark);
            transition: var(--transition);
            width: 100%;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--color-primary);
            background: var(--color-surface);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 90, 138, 0.1);
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        .form-note {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 10px;
        }

        .form-submit-row {
            margin-top: 8px;
        }

        .form-submit-row .btn {
            width: 100%;
            padding: 16px 32px;
            font-size: 16px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            padding: 64px 0 0;
            color: rgba(255, 255, 255, 0.85);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 16px;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            font-size: 15px;
            transition: var(--transition);
        }

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

        .footer-contact .contact-item {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-links-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-links-row a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links-row a:hover {
            color: var(--color-accent);
        }

        .footer-links-row span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Back to top */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: var(--shadow-md);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 900;
            text-decoration: none;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-3px);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .page-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .page-hero-text .hero-subtitle {
                max-width: 100%;
            }
            .philosophy-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .philosophy-visual img {
                aspect-ratio: 16/9;
            }
            .insights-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 8px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--color-border);
                z-index: 1000;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 18px;
                padding: 12px 8px;
                width: 100%;
                border-bottom: 1px solid var(--color-bg-light);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a.active::after {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .nav-cta-mobile {
                display: block;
                margin-top: 10px;
                padding: 0 8px;
            }
            .hamburger {
                display: flex;
            }
            .page-hero {
                padding: 36px 0 48px;
            }
            .page-hero-text h1 {
                font-size: 28px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .insights-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .form-card {
                padding: 28px 22px;
            }
            .form-card h3 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .breadcrumb-bar {
                padding-top: 60px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero-text h1 {
                font-size: 24px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .section-header h2 {
                font-size: 21px;
            }
            .media-card-body {
                padding: 18px 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer p {
                font-size: 14px;
                padding: 12px 14px;
            }
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
        }