/* roulang page: index */
:root {
            --bg-warm: #F5F1EA;
            --bg-warm2: #EFEAE3;
            --brand-mist: #B8C6D4;
            --brand-gold: #D8C3A0;
            --brand-grad: linear-gradient(135deg, #B8C6D4 0%, #D8C3A0 100%);
            --brand-grad-90: linear-gradient(90deg, #B8C6D4 0%, #D8C3A0 100%);
            --graphite: #2F3E46;
            --terracotta: #B45F3E;
            --maintext: #1F2A2E;
            --subtext: #5A666B;
            --fainttext: #8A9498;
            --white: #FFFFFF;
            --card-white: #FFFFFF;
            --radius-lg: 28px;
            --radius-xl: 32px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 18px 35px rgba(31, 42, 46, 0.08);
            --shadow-hover: 0 24px 45px rgba(31, 42, 46, 0.14);
            --font-serif: "Songti SC", "Noto Serif CJK SC", "PingFang SC", serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }

        *,
        *::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: 1.8;
            color: var(--maintext);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        button {
            cursor: pointer;
        }

        :focus-visible {
            outline: 2px solid var(--terracotta);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 241, 234, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(184, 198, 212, 0.35);
            box-shadow: 0 4px 18px rgba(31, 42, 46, 0.05);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--graphite);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--brand-grad);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--subtext);
            transition: all 0.25s ease;
            letter-spacing: 0.3px;
        }

        .main-nav a:hover {
            color: var(--terracotta);
            background: rgba(184, 198, 212, 0.18);
        }

        .main-nav a.active {
            color: #fff;
            background: var(--brand-grad);
        }

        .nav-cta {
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--graphite);
            color: #fff !important;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
        }

        .nav-cta:hover {
            background: var(--terracotta) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(45, 63, 70, 0.2);
        }

        /* 进度步骤导航 */
        .steps-nav {
            display: flex;
            gap: 28px;
            align-items: center;
            padding: 10px 0 14px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .steps-nav::-webkit-scrollbar {
            display: none;
        }

        .step-item {
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 500;
            color: var(--fainttext);
            transition: color 0.25s ease;
        }

        .step-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid #C8C0B4;
            font-size: 12px;
            font-weight: 700;
            color: var(--fainttext);
            background: var(--bg-warm);
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .step-item.active {
            color: var(--graphite);
            font-weight: 600;
        }

        .step-item.active .step-dot {
            background: var(--brand-grad);
            border-color: transparent;
            color: #fff;
        }

        .step-item.completed {
            color: var(--subtext);
        }

        .step-item.completed .step-dot {
            background: var(--graphite);
            border-color: var(--graphite);
            color: #fff;
        }

        .step-item:hover {
            color: var(--terracotta);
        }

        .step-item:hover .step-dot {
            border-color: var(--terracotta);
            color: var(--terracotta);
        }

        /* 移动端菜单 */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 6px;
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--graphite);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 12px 0 20px;
            border-top: 1px solid rgba(184, 198, 212, 0.3);
        }

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

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 15px;
            color: var(--maintext);
            transition: all 0.25s ease;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: var(--brand-grad);
            color: #fff;
        }

        /* Hero / 产品舞台 */
        .hero-section {
            padding: 48px 0 64px;
            position: relative;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
            border-radius: 0;
        }

        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1.6fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-point {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--subtext);
            background: rgba(255, 255, 255, 0.75);
            padding: 14px 18px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(184, 198, 212, 0.3);
            transition: all 0.25s ease;
        }

        .hero-point:hover {
            background: #fff;
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .hero-point-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #fff;
            font-weight: 700;
        }

        .hero-stage {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 30px 60px rgba(31, 42, 46, 0.12);
            border: 1px solid rgba(184, 198, 212, 0.25);
            position: relative;
        }

        .hero-stage-top {
            background: var(--brand-grad);
            padding: 18px 24px;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .hero-stage-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }

        .hero-stage-body {
            padding: 20px 24px 24px;
            background: #fff;
        }

        .hero-stage-desc {
            font-size: 14px;
            color: var(--subtext);
            margin-bottom: 14px;
        }

        .hero-stage-metrics {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-metric {
            background: var(--bg-warm);
            border-radius: 12px;
            padding: 10px 16px;
            font-size: 13px;
            color: var(--subtext);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-metric strong {
            color: var(--terracotta);
            font-weight: 700;
            font-family: var(--font-mono);
            font-size: 16px;
        }

        .hero-cta-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            background: var(--brand-grad);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 16px 36px rgba(184, 198, 212, 0.35);
            color: #fff;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            background: transparent;
            border: 1.5px solid #C8C0B4;
            color: var(--subtext);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--terracotta);
            color: var(--terracotta);
            background: rgba(180, 95, 62, 0.05);
            transform: translateY(-2px);
        }

        .btn-terracotta {
            background: var(--terracotta);
            color: #fff;
            border: none;
        }

        .btn-terracotta:hover {
            filter: brightness(1.1);
            box-shadow: 0 16px 36px rgba(180, 95, 62, 0.3);
            color: #fff;
        }

        /* 板块通用 */
        .section-block {
            padding: 60px 0;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--graphite);
            letter-spacing: 1px;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 15px;
            color: var(--subtext);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(184, 198, 212, 0.25);
            color: var(--graphite);
        }

        .badge-accent {
            background: rgba(180, 95, 62, 0.12);
            color: var(--terracotta);
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(184, 198, 212, 0.25);
            color: var(--graphite);
            font-family: var(--font-mono);
        }

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

        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            transition: all 0.3s ease;
            position: relative;
        }

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

        .metric-card .metric-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--graphite);
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }

        .metric-card .metric-label {
            font-size: 14px;
            color: var(--subtext);
            font-weight: 500;
        }

        .metric-card .metric-trend {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 12px;
            font-weight: 600;
            color: #3D7A5C;
            background: rgba(61, 122, 92, 0.1);
            padding: 4px 10px;
            border-radius: 999px;
        }

        /* 服务矩阵 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .service-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .service-card-body {
            padding: 24px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-title {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--graphite);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .service-card-desc {
            font-size: 14px;
            color: var(--subtext);
            margin-bottom: 16px;
            line-height: 1.7;
            flex: 1;
        }

        .service-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--terracotta);
            transition: all 0.25s ease;
        }

        .link-arrow:hover {
            gap: 10px;
        }

        /* 直播预告 */
        .live-banner {
            background: var(--graphite);
            border-radius: var(--radius-xl);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            color: #fff;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .live-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(47, 62, 70, 0.92) 0%, rgba(47, 62, 70, 0.78) 100%);
            z-index: 0;
        }

        .live-banner>* {
            position: relative;
            z-index: 1;
        }

        .live-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--terracotta);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .live-title {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .live-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.7;
        }

        .live-info {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .live-info-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* 看点列表 */
        .highlights-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid rgba(184, 198, 212, 0.25);
            transition: all 0.3s ease;
        }

        .highlight-item:hover {
            border-color: var(--brand-mist);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .highlight-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand-grad);
            color: #fff;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .highlight-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--graphite);
            margin-bottom: 4px;
        }

        .highlight-content p {
            font-size: 14px;
            color: var(--subtext);
            line-height: 1.7;
        }

        /* 结果对比 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .compare-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            transition: all 0.3s ease;
        }

        .compare-panel.highlight {
            border: 2px solid var(--terracotta);
            background: linear-gradient(180deg, rgba(180, 95, 62, 0.04) 0%, #fff 40%);
        }

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

        .compare-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--fainttext);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .compare-title {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--graphite);
            margin-bottom: 16px;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compare-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--subtext);
        }

        .compare-list li::before {
            content: '';
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-grad);
        }

        .compare-panel.highlight .compare-list li::before {
            background: var(--terracotta);
        }

        .compare-progress {
            margin-top: 20px;
            height: 8px;
            background: var(--bg-warm2);
            border-radius: 999px;
            overflow: hidden;
        }

        .compare-progress-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--brand-grad);
            transition: width 0.5s ease;
        }

        .compare-progress-fill.accent {
            background: var(--terracotta);
        }

        /* 资讯 */
        .news-layout {
            display: grid;
            grid-template-columns: 1.8fr 1fr;
            gap: 28px;
        }

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

        .news-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid rgba(184, 198, 212, 0.2);
            transition: all 0.3s ease;
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }

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

        .news-item-img {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: 10px;
            object-fit: cover;
        }

        .news-item-body {
            flex: 1;
        }

        .news-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--graphite);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-item-desc {
            font-size: 13px;
            color: var(--subtext);
            line-height: 1.6;
        }

        .news-item-meta {
            display: flex;
            gap: 14px;
            font-size: 12px;
            color: var(--fainttext);
            margin-top: 6px;
        }

        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            height: fit-content;
        }

        .news-sidebar-title {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--graphite);
            margin-bottom: 16px;
        }

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

        .news-sidebar-item {
            font-size: 14px;
            color: var(--subtext);
            padding: 10px 14px;
            border-radius: 10px;
            background: var(--bg-warm);
            transition: all 0.25s ease;
            line-height: 1.5;
        }

        .news-sidebar-item:hover {
            background: rgba(184, 198, 212, 0.25);
            color: var(--graphite);
        }

        /* 用户评价 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            transition: all 0.3s ease;
        }

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

        .review-stars {
            display: flex;
            gap: 4px;
            margin-bottom: 12px;
            color: #D8B45A;
            font-size: 16px;
        }

        .review-text {
            font-size: 14px;
            color: var(--subtext);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--fainttext);
            font-weight: 500;
        }

        .review-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--brand-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 13px;
            flex-shrink: 0;
        }

        /* 提醒订阅 */
        .subscribe-box {
            background: var(--brand-grad);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .subscribe-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.03) 100%);
        }

        .subscribe-box>* {
            position: relative;
            z-index: 1;
        }

        .subscribe-title {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .subscribe-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.92);
            border: none;
            font-size: 14px;
            color: var(--maintext);
            transition: all 0.3s ease;
        }

        .subscribe-input:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.45);
            background: #fff;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid rgba(184, 198, 212, 0.25);
            overflow: hidden;
            transition: all 0.3s ease;
            cursor: pointer;
        }

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

        .faq-item.open {
            box-shadow: var(--shadow-hover);
            border-color: var(--brand-mist);
            background: #FEFDFC;
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--graphite);
            cursor: pointer;
            user-select: none;
        }

        .faq-q-mark {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-grad);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-icon {
            margin-left: auto;
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1.5px solid #C8C0B4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--subtext);
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--brand-grad);
            border-color: transparent;
            color: #fff;
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--subtext);
            line-height: 1.8;
            border-top: 1px solid rgba(184, 198, 212, 0.25);
            padding-top: 16px;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* 转化表单 */
        .cta-form-section {
            background: var(--graphite);
            border-radius: var(--radius-xl);
            padding: 48px 44px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(47, 62, 70, 0.94) 0%, rgba(47, 62, 70, 0.82) 100%);
        }

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

        .cta-form-left h2 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .cta-form-left p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-trust-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-trust-item::before {
            content: '✓';
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(216, 195, 160, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--brand-gold);
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
        }

        .cta-form-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--graphite);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--subtext);
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1.5px solid #D9D2C5;
            font-size: 14px;
            color: var(--maintext);
            background: var(--bg-warm);
            transition: all 0.3s ease;
        }

        .form-input:focus {
            border-color: var(--brand-mist);
            box-shadow: 0 0 0 3px rgba(184, 198, 212, 0.25);
            background: #fff;
        }

        .form-select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A666B' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .btn-submit {
            width: 100%;
            padding: 14px 28px;
            border-radius: 999px;
            background: var(--brand-grad);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            border: none;
            transition: all 0.3s ease;
            cursor: pointer;
            margin-top: 4px;
        }

        .btn-submit:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 16px 36px rgba(184, 198, 212, 0.4);
        }

        /* 品牌介绍 */
        .brand-intro {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 48px 44px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: center;
        }

        .brand-intro-img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .brand-intro-text h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--graphite);
            margin-bottom: 16px;
        }

        .brand-intro-text p {
            font-size: 15px;
            color: var(--subtext);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        /* 合作伙伴 */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .partner-tag {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid rgba(184, 198, 212, 0.25);
            transition: all 0.3s ease;
            text-align: center;
        }

        .partner-tag:hover {
            border-color: var(--brand-mist);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .partner-tag-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--graphite);
            margin-bottom: 6px;
        }

        .partner-tag-desc {
            font-size: 12px;
            color: var(--fainttext);
            line-height: 1.5;
        }

        /* Footer */
        .site-footer {
            background: var(--graphite);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 28px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

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

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.25s ease;
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

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

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

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

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

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

            .cta-form-section {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

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

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .header-inner {
                flex-wrap: wrap;
            }

            .section-block {
                padding: 40px 0;
            }

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

            .hero-section {
                padding: 28px 0 48px;
            }

            .hero-side {
                grid-template-columns: 1fr;
            }

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

            .metric-card {
                padding: 20px 16px;
            }

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

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

            .live-banner {
                padding: 28px 24px;
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }

            .news-item {
                flex-direction: column;
            }

            .news-item-img {
                width: 100%;
                height: 140px;
            }

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

            .cta-form-section {
                padding: 28px 20px;
            }

            .cta-form-card {
                padding: 24px 18px;
            }

            .brand-intro {
                padding: 28px 20px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }

            .steps-nav {
                gap: 16px;
                font-size: 12px;
            }

            .step-item {
                font-size: 11px;
            }

            .step-dot {
                width: 24px;
                height: 24px;
                font-size: 11px;
            }

            .btn-primary,
            .btn-secondary {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
                text-align: center;
            }

            .hero-cta-group {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 10px;
            }

            .subscribe-box {
                padding: 32px 20px;
            }
        }

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

            .section-title {
                font-size: 20px;
            }

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

            .compare-panel {
                padding: 22px 18px;
            }

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

            .highlight-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px 18px;
            }

            .cta-form-section {
                padding: 22px 16px;
            }

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

            .subscribe-input {
                min-width: auto;
                width: 100%;
            }

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

/* roulang page: category1 */
:root {
            --bg-warm: #F5F1EA;
            --bg-warm2: #EFEAE3;
            --brand-mist: #B8C6D4;
            --brand-gold: #D8C3A0;
            --brand-grad: linear-gradient(135deg, #B8C6D4 0%, #D8C3A0 100%);
            --brand-grad-90: linear-gradient(90deg, #B8C6D4 0%, #D8C3A0 100%);
            --graphite: #2F3E46;
            --terracotta: #B45F3E;
            --maintext: #1F2A2E;
            --subtext: #5A666B;
            --fainttext: #8A9498;
            --white: #FFFFFF;
            --card-white: #FFFFFF;
            --radius-lg: 28px;
            --radius-xl: 32px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 18px 35px rgba(31, 42, 46, 0.08);
            --shadow-hover: 0 24px 45px rgba(31, 42, 46, 0.14);
            --font-serif: "Songti SC", "Noto Serif CJK SC", "PingFang SC", serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--maintext);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 241, 234, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(184, 198, 212, 0.35);
            box-shadow: 0 4px 18px rgba(31, 42, 46, 0.05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--graphite);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--brand-grad);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--subtext);
            transition: all 0.25s ease;
            letter-spacing: 0.3px;
        }
        .main-nav a:hover {
            color: var(--terracotta);
            background: rgba(184, 198, 212, 0.18);
        }
        .main-nav a.active {
            color: #fff;
            background: var(--brand-grad);
        }
        .nav-cta {
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--graphite);
            color: #fff !important;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
        }
        .nav-cta:hover {
            background: var(--terracotta) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(45, 63, 70, 0.2);
        }
        /* Progress Steps */
        .steps-nav {
            display: flex;
            gap: 28px;
            align-items: center;
            padding: 10px 0 14px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .steps-nav::-webkit-scrollbar {
            display: none;
        }
        .step-item {
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 500;
            color: var(--fainttext);
            transition: color 0.25s ease;
        }
        .step-item.active {
            color: var(--graphite);
            font-weight: 600;
        }
        .step-item.active .step-dot {
            background: var(--brand-grad);
            border-color: transparent;
            color: #fff;
        }
        .step-item.completed {
            color: var(--subtext);
        }
        .step-item.completed .step-dot {
            background: var(--graphite);
            border-color: var(--graphite);
            color: #fff;
        }
        .step-item:hover {
            color: var(--terracotta);
        }
        .step-item:hover .step-dot {
            border-color: var(--terracotta);
            color: var(--terracotta);
        }
        .step-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 2px solid var(--fainttext);
            font-size: 11px;
            font-weight: 600;
            transition: all 0.25s ease;
            flex-shrink: 0;
        }
        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 6px;
            cursor: pointer;
        }
        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--graphite);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        /* Hero */
        .hero-section {
            padding: 56px 0 64px;
            background: var(--bg-warm);
        }
        .hero-wrapper {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(47, 62, 70, 0.82) 0%, rgba(184, 198, 212, 0.55) 55%, rgba(216, 195, 160, 0.45) 100%);
            border-radius: var(--radius-xl);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 56px 48px;
            max-width: 720px;
            color: #fff;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 18px;
            color: rgba(255, 255, 255, 0.92);
        }
        .hero-content h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 16px;
            letter-spacing: 1px;
            color: #fff;
        }
        .hero-content .hero-sub {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: var(--brand-grad-90);
            color: var(--graphite);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            box-shadow: 0 10px 28px rgba(47, 62, 70, 0.25);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-3px);
            box-shadow: 0 18px 40px rgba(47, 62, 70, 0.35);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hero-stats {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 18px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .hero-stat-card {
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            min-width: 120px;
        }
        .hero-stat-card .stat-number {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-card .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
            letter-spacing: 1px;
        }
        /* Section Common */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--bg-warm2);
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--graphite);
            margin: 0 0 10px;
            letter-spacing: 0.5px;
        }
        .section-heading p {
            font-size: 16px;
            color: var(--subtext);
            margin: 0;
            max-width: 640px;
        }
        .section-heading .heading-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(184, 198, 212, 0.35);
            color: var(--graphite);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }
        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 30px;
            padding: 12px 18px;
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
        }
        .filter-item {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--subtext);
            cursor: pointer;
            transition: all 0.25s ease;
            background: var(--bg-warm);
            border: 1px solid transparent;
        }
        .filter-item:hover {
            color: var(--terracotta);
            border-color: rgba(184, 198, 212, 0.5);
        }
        .filter-item.active {
            background: var(--brand-grad);
            color: var(--graphite);
            font-weight: 600;
            border-color: transparent;
        }
        /* Cards Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(184, 198, 212, 0.2);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(184, 198, 212, 0.5);
        }
        .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-body {
            padding: 24px 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-tag {
            display: inline-block;
            align-self: flex-start;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(184, 198, 212, 0.3);
            color: var(--graphite);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        .card-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--maintext);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .card-body p {
            font-size: 14px;
            color: var(--subtext);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding-top: 14px;
            border-top: 1px solid var(--bg-warm2);
        }
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(180, 95, 62, 0.12);
            color: var(--terracotta);
            font-size: 13px;
            font-weight: 600;
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--terracotta);
            transition: all 0.25s ease;
        }
        .card-link:hover {
            color: var(--graphite);
            letter-spacing: 0.5px;
        }
        /* Data Workspace */
        .workspace-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: start;
        }
        .workspace-panel {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .workspace-panel h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--graphite);
            margin: 0 0 12px;
        }
        .workspace-panel p {
            font-size: 15px;
            color: var(--subtext);
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .metric-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--bg-warm2);
        }
        .metric-row:last-child {
            border-bottom: none;
        }
        .metric-row .metric-name {
            font-size: 14px;
            color: var(--subtext);
            font-weight: 500;
        }
        .metric-row .metric-value {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--graphite);
        }
        .metric-row .metric-trend {
            font-size: 13px;
            font-weight: 600;
            color: #3d7a5a;
        }
        .metric-row .metric-trend.down {
            color: var(--terracotta);
        }
        .progress-bar {
            width: 100%;
            height: 8px;
            background: var(--bg-warm2);
            border-radius: 999px;
            overflow: hidden;
            margin-top: 6px;
        }
        .progress-bar .progress-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--brand-grad-90);
            transition: width 0.8s ease;
        }
        /* Flow Steps */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .flow-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all 0.3s ease;
        }
        .flow-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .flow-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-grad);
            color: var(--graphite);
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .flow-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--graphite);
            margin: 0 0 8px;
        }
        .flow-card p {
            font-size: 13px;
            color: var(--subtext);
            margin: 0;
            line-height: 1.7;
        }
        /* Compare */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .compare-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .compare-card.highlight {
            background: linear-gradient(135deg, rgba(184, 198, 212, 0.12) 0%, rgba(216, 195, 160, 0.15) 100%);
            border: 1.5px solid rgba(184, 198, 212, 0.4);
        }
        .compare-card h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--graphite);
            margin: 0 0 6px;
        }
        .compare-card .compare-badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .compare-card .compare-badge.before {
            background: rgba(138, 148, 152, 0.2);
            color: var(--fainttext);
        }
        .compare-card .compare-badge.after {
            background: rgba(180, 95, 62, 0.15);
            color: var(--terracotta);
        }
        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--bg-warm2);
            font-size: 14px;
            color: var(--subtext);
        }
        .compare-list li:last-child {
            border-bottom: none;
        }
        .compare-list .compare-val {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--graphite);
            font-size: 16px;
        }
        .compare-list .compare-val.good {
            color: #3d7a5a;
        }
        .compare-list .compare-val.bad {
            color: var(--terracotta);
        }
        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border-top: 4px solid var(--brand-gold);
            transition: all 0.3s ease;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-card .scenario-icon {
            font-size: 36px;
            margin-bottom: 12px;
        }
        .scenario-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--graphite);
            margin: 0 0 8px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--subtext);
            margin: 0;
            line-height: 1.7;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            cursor: pointer;
            transition: all 0.35s ease;
            border: 1px solid rgba(184, 198, 212, 0.2);
        }
        .faq-item:hover {
            border-color: rgba(184, 198, 212, 0.5);
        }
        .faq-item.open {
            background: #FDFCF9;
            box-shadow: var(--shadow-hover);
            border-color: rgba(184, 198, 212, 0.6);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--graphite);
            line-height: 1.5;
        }
        .faq-question .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-warm2);
            font-size: 16px;
            font-weight: 700;
            color: var(--subtext);
            flex-shrink: 0;
            transition: all 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--brand-grad);
            color: var(--graphite);
        }
        .faq-answer {
            margin-top: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--bg-warm2);
            font-size: 15px;
            color: var(--subtext);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* CTA Form */
        .cta-section {
            padding: 64px 0 72px;
        }
        .cta-wrapper {
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, rgba(184, 198, 212, 0.25) 0%, rgba(216, 195, 160, 0.3) 100%);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .cta-wrapper::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-left,
        .cta-right {
            position: relative;
            z-index: 1;
        }
        .cta-left h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--graphite);
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .cta-left p {
            font-size: 15px;
            color: var(--subtext);
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .cta-trust {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .cta-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--subtext);
            font-weight: 500;
        }
        .cta-trust .trust-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--terracotta);
        }
        .cta-form {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .cta-form .form-group {
            margin-bottom: 16px;
        }
        .cta-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--graphite);
            margin-bottom: 6px;
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1.5px solid #D9D2C5;
            background: var(--bg-warm);
            font-size: 14px;
            color: var(--maintext);
            transition: all 0.25s ease;
            box-sizing: border-box;
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--brand-mist);
            box-shadow: 0 0 0 4px rgba(184, 198, 212, 0.25);
            background: #fff;
        }
        .cta-form .btn-submit {
            width: 100%;
            padding: 14px;
            border-radius: 999px;
            background: var(--brand-grad-90);
            color: var(--graphite);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 1px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 20px rgba(47, 62, 70, 0.15);
        }
        .cta-form .btn-submit:hover {
            filter: brightness(1.06);
            transform: translateY(-2px);
            box-shadow: 0 16px 35px rgba(47, 62, 70, 0.25);
        }
        /* Footer */
        .site-footer {
            background: var(--graphite);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 10px;
            font-size: 26px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 1px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: all 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--brand-gold);
            letter-spacing: 0.5px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }
        .footer-bottom a:hover {
            color: var(--brand-gold);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .workspace-grid {
                grid-template-columns: 1fr;
            }
            .cta-wrapper {
                grid-template-columns: 1fr;
                padding: 36px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-content {
                padding: 40px 32px;
            }
            .hero-content h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(245, 241, 234, 0.98);
                backdrop-filter: blur(18px);
                padding: 16px 24px;
                border-bottom: 1px solid rgba(184, 198, 212, 0.35);
                box-shadow: 0 12px 30px rgba(31, 42, 46, 0.1);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                text-align: center;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-wrapper {
                min-height: 400px;
            }
            .hero-content {
                padding: 32px 20px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-content .hero-sub {
                font-size: 15px;
            }
            .hero-stats {
                gap: 10px;
            }
            .hero-stat-card {
                min-width: 100px;
                padding: 12px 14px;
            }
            .hero-stat-card .stat-number {
                font-size: 20px;
            }
            .section {
                padding: 40px 0;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .cta-wrapper {
                padding: 24px 18px;
            }
            .cta-form {
                padding: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .steps-nav {
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-stats {
                flex-direction: column;
                gap: 8px;
            }
            .hero-stat-card {
                min-width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-item {
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --bg-warm: #F5F1EA;
            --bg-warm2: #EFEAE3;
            --brand-mist: #B8C6D4;
            --brand-gold: #D8C3A0;
            --brand-grad: linear-gradient(135deg, #B8C6D4 0%, #D8C3A0 100%);
            --brand-grad-90: linear-gradient(90deg, #B8C6D4 0%, #D8C3A0 100%);
            --graphite: #2F3E46;
            --terracotta: #B45F3E;
            --maintext: #1F2A2E;
            --subtext: #5A666B;
            --fainttext: #8A9498;
            --white: #FFFFFF;
            --card-white: #FFFFFF;
            --radius-lg: 28px;
            --radius-xl: 32px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 18px 35px rgba(31, 42, 46, 0.08);
            --shadow-hover: 0 24px 45px rgba(31, 42, 46, 0.14);
            --font-serif: "Songti SC", "Noto Serif CJK SC", "PingFang SC", serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--maintext);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 241, 234, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(184, 198, 212, 0.35);
            box-shadow: 0 4px 18px rgba(31, 42, 46, 0.05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
            flex-wrap: wrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--graphite);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--brand-grad);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--subtext);
            transition: all 0.25s ease;
            letter-spacing: 0.3px;
        }
        .main-nav a:hover {
            color: var(--terracotta);
            background: rgba(184, 198, 212, 0.18);
        }
        .main-nav a.active {
            color: #fff;
            background: var(--brand-grad);
            box-shadow: 0 8px 20px rgba(184, 198, 212, 0.3);
        }
        .nav-cta {
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--graphite);
            color: #fff !important;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
            border: 2px solid var(--graphite);
        }
        .nav-cta:hover {
            background: var(--terracotta) !important;
            border-color: var(--terracotta);
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(45, 63, 70, 0.2);
        }
        .steps-nav {
            display: flex;
            gap: 28px;
            align-items: center;
            padding: 10px 0 14px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .steps-nav::-webkit-scrollbar {
            display: none;
        }
        .step-item {
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 500;
            color: var(--fainttext);
            transition: color 0.25s ease;
        }
        .step-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 2px solid #D9D2C5;
            font-size: 12px;
            font-weight: 700;
            transition: all 0.25s ease;
            background: transparent;
            color: var(--fainttext);
            flex-shrink: 0;
        }
        .step-item.active {
            color: var(--graphite);
            font-weight: 600;
        }
        .step-item.active .step-dot {
            background: var(--brand-grad);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 12px rgba(184, 198, 212, 0.4);
        }
        .step-item.completed {
            color: var(--subtext);
        }
        .step-item.completed .step-dot {
            background: var(--graphite);
            border-color: var(--graphite);
            color: #fff;
        }
        .step-item:hover {
            color: var(--terracotta);
        }
        .step-item:hover .step-dot {
            border-color: var(--terracotta);
            color: var(--terracotta);
        }
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 10px;
            background: transparent;
            border: 1px solid #D9D2C5;
        }
        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--graphite);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .mobile-menu-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 4px);
        }
        .mobile-menu-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            padding: 8px 0 20px;
            gap: 4px;
        }
        .mobile-nav a {
            padding: 12px 16px;
            border-radius: 14px;
            font-size: 16px;
            font-weight: 500;
            color: var(--subtext);
        }
        .mobile-nav a:hover {
            background: rgba(184, 198, 212, 0.18);
            color: var(--terracotta);
        }
        .mobile-nav a.active {
            background: var(--brand-grad);
            color: #fff;
        }
        .hero-section {
            position: relative;
            padding: 60px 0 70px;
            background: var(--bg-warm);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.85;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(135deg, rgba(184, 198, 212, 0.88) 0%, rgba(216, 195, 160, 0.82) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-title {
            font-family: var(--font-serif);
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            letter-spacing: 0.5px;
            margin: 0 0 18px;
            text-shadow: 0 2px 18px rgba(31, 42, 46, 0.2);
        }
        .hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.95);
            margin: 0 0 28px;
            text-shadow: 0 1px 8px rgba(31, 42, 46, 0.15);
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            background: var(--graphite);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            border: 2px solid var(--graphite);
            transition: all 0.3s ease;
            box-shadow: 0 12px 28px rgba(31, 42, 46, 0.25);
        }
        .btn-primary:hover {
            background: var(--terracotta);
            border-color: var(--terracotta);
            transform: translateY(-2px);
            box-shadow: 0 18px 36px rgba(180, 95, 62, 0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.75);
            color: var(--graphite);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            border: 2px solid rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(6px);
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background: #fff;
            border-color: #fff;
            color: var(--terracotta);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(31, 42, 46, 0.15);
        }
        .group-card {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-xl);
            padding: 28px 30px;
            box-shadow: 0 24px 50px rgba(31, 42, 46, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.7);
        }
        .group-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
        }
        .group-count {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--terracotta);
        }
        .group-label {
            font-size: 13px;
            color: var(--subtext);
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .group-progress {
            height: 10px;
            border-radius: 999px;
            background: #EFEAE3;
            overflow: hidden;
            margin-bottom: 18px;
        }
        .group-progress-bar {
            height: 100%;
            border-radius: 999px;
            background: var(--brand-grad-90);
            width: 60%;
            transition: width 0.6s ease;
        }
        .group-members {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .member-chip {
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(184, 198, 212, 0.25);
            font-size: 13px;
            font-weight: 500;
            color: var(--graphite);
            border: 1px solid rgba(184, 198, 212, 0.4);
        }
        .group-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-grad {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 999px;
            background: var(--brand-grad-90);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.4px;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .btn-grad:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(184, 198, 212, 0.4);
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 999px;
            background: transparent;
            color: var(--graphite);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.4px;
            border: 2px solid #D9D2C5;
            transition: all 0.3s ease;
        }
        .btn-outline-white:hover {
            border-color: var(--terracotta);
            color: var(--terracotta);
            background: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }
        .section {
            padding: 64px 0;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--graphite);
            letter-spacing: 0.5px;
            margin: 0 0 12px;
            line-height: 1.4;
        }
        .section-desc {
            font-size: 16px;
            color: var(--subtext);
            line-height: 1.85;
            margin: 0 0 36px;
            max-width: 640px;
        }
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(184, 198, 212, 0.2);
            font-size: 13px;
            font-weight: 600;
            color: var(--terracotta);
            letter-spacing: 0.4px;
            white-space: nowrap;
        }
        .badge-num {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--graphite);
            background: rgba(184, 198, 212, 0.2);
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .badge-num .arrow {
            color: var(--terracotta);
            font-weight: 700;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
        }
        .info-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(184, 198, 212, 0.5);
        }
        .info-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .info-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .info-card:hover .info-card-img img {
            transform: scale(1.05);
        }
        .info-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .info-card-tag {
            display: inline-flex;
            padding: 4px 12px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(184, 198, 212, 0.22);
            color: var(--graphite);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .info-card-title {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--maintext);
            line-height: 1.45;
            margin: 0 0 8px;
            letter-spacing: 0.3px;
        }
        .info-card-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--subtext);
            margin: 0 0 14px;
            flex: 1;
        }
        .info-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding-top: 12px;
            border-top: 1px solid rgba(184, 198, 212, 0.3);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .process-step {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            transition: all 0.3s ease;
        }
        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .process-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand-grad);
            color: #fff;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 12px;
            box-shadow: 0 6px 16px rgba(184, 198, 212, 0.35);
        }
        .process-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--graphite);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .process-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--subtext);
        }
        .compare-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .compare-card {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            padding: 30px 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
        }
        .compare-card.dark {
            background: var(--graphite);
            border-color: var(--graphite);
        }
        .compare-card.dark .compare-title,
        .compare-card.dark .compare-desc {
            color: rgba(255, 255, 255, 0.9);
        }
        .compare-title {
            font-family: var(--font-serif);
            font-size: 21px;
            font-weight: 700;
            color: var(--graphite);
            margin: 0 0 10px;
        }
        .compare-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--subtext);
            margin-bottom: 18px;
        }
        .compare-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(184, 198, 212, 0.25);
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--subtext);
        }
        .compare-value {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--terracotta);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .compare-value.up {
            color: var(--terracotta);
        }
        .compare-value .arrow-indicator {
            font-size: 14px;
        }
        .scenario-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .scenario-item {
            background: var(--card-white);
            border-radius: 18px;
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            transition: all 0.3s ease;
        }
        .scenario-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .scenario-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: rgba(184, 198, 212, 0.25);
            color: var(--terracotta);
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .scenario-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--graphite);
            margin-bottom: 6px;
        }
        .scenario-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--subtext);
        }
        .faq-section {
            background: var(--bg-warm2);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
        }
        .faq-item {
            background: var(--card-white);
            border-radius: 18px;
            margin-bottom: 14px;
            border: 1px solid rgba(184, 198, 212, 0.25);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(184, 198, 212, 0.5);
        }
        .faq-item.open {
            box-shadow: 0 16px 32px rgba(31, 42, 46, 0.1);
            border-color: rgba(184, 198, 212, 0.6);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            gap: 16px;
            width: 100%;
            background: transparent;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--graphite);
            letter-spacing: 0.3px;
        }
        .faq-question .faq-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(184, 198, 212, 0.22);
            color: var(--terracotta);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-question .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid #D9D2C5;
            color: var(--subtext);
            font-size: 18px;
            font-weight: 400;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--terracotta);
            color: var(--terracotta);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--subtext);
            border-top: 0 solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 16px 22px 20px;
            border-top: 1px solid rgba(184, 198, 212, 0.3);
        }
        .cta-section {
            background: var(--brand-grad);
            border-radius: var(--radius-xl);
            padding: 48px 44px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: 0 20px 45px rgba(184, 198, 212, 0.3);
        }
        .cta-left h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin: 0 0 12px;
            line-height: 1.4;
            text-shadow: 0 2px 12px rgba(31, 42, 46, 0.15);
        }
        .cta-left p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.92);
            margin: 0 0 16px;
        }
        .cta-trust {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .trust-tag {
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.25);
            font-size: 12px;
            font-weight: 500;
            color: #fff;
            letter-spacing: 0.4px;
            backdrop-filter: blur(4px);
        }
        .form-card {
            background: rgba(255, 255, 255, 0.92);
            border-radius: 22px;
            padding: 28px 26px;
            box-shadow: 0 16px 36px rgba(31, 42, 46, 0.15);
        }
        .form-card label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--subtext);
            margin-bottom: 6px;
            letter-spacing: 0.4px;
        }
        .form-card input,
        .form-card select,
        .form-card textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1.5px solid #D9D2C5;
            background: #fff;
            font-size: 14px;
            color: var(--maintext);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            margin-bottom: 14px;
            box-sizing: border-box;
        }
        .form-card input:focus,
        .form-card select:focus,
        .form-card textarea:focus {
            border-color: var(--brand-mist);
            box-shadow: 0 0 0 3px rgba(184, 198, 212, 0.3);
            outline: none;
        }
        .form-card textarea {
            resize: vertical;
            min-height: 72px;
        }
        .form-submit {
            width: 100%;
            padding: 14px 20px;
            border-radius: 12px;
            background: var(--brand-grad-90);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            cursor: pointer;
        }
        .form-submit:hover {
            filter: brightness(1.06);
            box-shadow: 0 12px 28px rgba(184, 198, 212, 0.45);
            transform: translateY(-1px);
        }
        .site-footer {
            background: var(--graphite);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }
        .footer-brand .logo {
            color: #fff;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.7);
            margin: 12px 0 0;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.8px;
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.25s ease;
        }
        .footer-col a:hover {
            color: var(--brand-gold);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom a:hover {
            color: var(--brand-gold);
        }
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 32px;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 820px) {
            .main-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .mobile-nav.open {
                display: flex;
            }
            .header-inner {
                padding: 12px 0;
            }
            .compare-panel {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 640px) {
            .hero-section {
                padding: 36px 0 48px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.two-col {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .scenario-list {
                grid-template-columns: 1fr;
            }
            .group-card {
                padding: 20px 18px;
            }
            .group-count {
                font-size: 26px;
            }
            .cta-section {
                padding: 32px 22px;
                border-radius: 24px;
            }
            .faq-section {
                padding: 28px 20px;
                border-radius: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
        }
        @media (min-width: 821px) {
            .mobile-nav {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root {
            --bg-warm: #F5F1EA;
            --bg-warm2: #EFEAE3;
            --brand-mist: #B8C6D4;
            --brand-gold: #D8C3A0;
            --brand-grad: linear-gradient(135deg, #B8C6D4 0%, #D8C3A0 100%);
            --brand-grad-90: linear-gradient(90deg, #B8C6D4 0%, #D8C3A0 100%);
            --graphite: #2F3E46;
            --terracotta: #B45F3E;
            --maintext: #1F2A2E;
            --subtext: #5A666B;
            --fainttext: #8A9498;
            --white: #FFFFFF;
            --card-white: #FFFFFF;
            --radius-lg: 28px;
            --radius-xl: 32px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 18px 35px rgba(31, 42, 46, 0.08);
            --shadow-hover: 0 24px 45px rgba(31, 42, 46, 0.14);
            --font-serif: "Songti SC", "Noto Serif CJK SC", "PingFang SC", serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--maintext);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        button {
            cursor: pointer;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 241, 234, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(184, 198, 212, 0.35);
            box-shadow: 0 4px 18px rgba(31, 42, 46, 0.05);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--graphite);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--brand-grad);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--subtext);
            transition: all 0.25s ease;
            letter-spacing: 0.3px;
        }

        .main-nav a:hover {
            color: var(--terracotta);
            background: rgba(184, 198, 212, 0.18);
        }

        .main-nav a.active {
            color: #fff;
            background: var(--brand-grad);
        }

        .nav-cta {
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--graphite);
            color: #fff !important;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
        }

        .nav-cta:hover {
            background: var(--terracotta) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(45, 63, 70, 0.2);
        }

        /* 进度步骤导航 */
        .steps-nav {
            display: flex;
            gap: 28px;
            align-items: center;
            padding: 10px 0 14px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .steps-nav::-webkit-scrollbar {
            display: none;
        }

        .step-item {
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 500;
            color: var(--fainttext);
            transition: color 0.25s ease;
        }

        .step-item.active {
            color: var(--graphite);
            font-weight: 600;
        }

        .step-item.active .step-dot {
            background: var(--brand-grad);
            border-color: transparent;
            color: #fff;
        }

        .step-item.completed {
            color: var(--subtext);
        }

        .step-item.completed .step-dot {
            background: var(--graphite);
            border-color: var(--graphite);
            color: #fff;
        }

        .step-item:hover {
            color: var(--terracotta);
        }

        .step-item:hover .step-dot {
            border-color: var(--terracotta);
            color: var(--terracotta);
        }

        .step-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 999px;
            border: 2px solid #c8cdd0;
            font-size: 12px;
            font-weight: 600;
            transition: all 0.25s ease;
            flex-shrink: 0;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 4px;
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--graphite);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero 拼团转化 */
        .hero-bg {
            background-image: var(--brand-grad);
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 1;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(47, 62, 70, 0.88) 0%, rgba(180, 95, 62, 0.55) 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
        }

        .group-btn-primary {
            background: #fff;
            color: var(--graphite);
            font-weight: 700;
            border-radius: 999px;
            padding: 14px 28px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
            letter-spacing: 0.5px;
        }

        .group-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 32px rgba(0,0,0,0.2);
            background: var(--brand-gold);
            color: #fff;
        }

        .group-btn-secondary {
            background: transparent;
            color: #fff;
            font-weight: 600;
            border: 2px solid rgba(255,255,255,0.6);
            border-radius: 999px;
            padding: 12px 26px;
            transition: all 0.3s ease;
            letter-spacing: 0.5px;
        }

        .group-btn-secondary:hover {
            background: rgba(255,255,255,0.2);
            border-color: #fff;
            transform: translateY(-3px);
        }

        /* 卡片 */
        .case-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.35s ease;
            border: 1px solid rgba(184, 198, 212, 0.2);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(184, 198, 212, 0.5);
        }

        .case-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #E8E2D8;
        }

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

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

        .data-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(184, 198, 212, 0.28);
            color: var(--graphite);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
        }

        .data-pill.highlight {
            background: rgba(180, 95, 62, 0.14);
            color: var(--terracotta);
        }

        .tag-chip {
            display: inline-block;
            background: rgba(184, 198, 212, 0.3);
            color: var(--graphite);
            border-radius: 8px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        /* 对比面板 */
        .compare-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px;
            border: 1px solid rgba(184, 198, 212, 0.25);
        }

        .compare-before {
            background: #F7F3EC;
            border-radius: 20px;
            padding: 24px;
            position: relative;
        }

        .compare-after {
            background: linear-gradient(135deg, rgba(184,198,212,0.20), rgba(216,195,160,0.25));
            border-radius: 20px;
            padding: 24px;
            position: relative;
            border: 2px solid rgba(180,95,62,0.3);
        }

        /* 流程 */
        .flow-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px dashed rgba(184,198,212,0.4);
        }

        .flow-step:last-child {
            border-bottom: none;
        }

        .flow-num {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--brand-grad);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        /* FAQ */
        .faq-card {
            background: #fff;
            border-radius: 20px;
            border: 1px solid rgba(184, 198, 212, 0.25);
            box-shadow: 0 6px 16px rgba(31,42,46,0.05);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-card:hover {
            border-color: rgba(184,198,212,0.5);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 24px;
            cursor: pointer;
            user-select: none;
            transition: background 0.25s ease;
            font-weight: 600;
            color: var(--maintext);
        }

        .faq-question:hover {
            background: rgba(245, 241, 234, 0.6);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(184,198,212,0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.3s ease;
            font-size: 14px;
            color: var(--graphite);
            font-weight: 700;
        }

        .faq-answer {
            padding: 0 24px 22px 64px;
            color: var(--subtext);
            font-size: 15px;
            line-height: 1.8;
            display: none;
        }

        .faq-card.open .faq-answer {
            display: block;
        }

        .faq-card.open .faq-icon {
            background: var(--brand-grad);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-card.open {
            border-color: rgba(184,198,212,0.6);
            box-shadow: var(--shadow-card);
            background: #FFFDF9;
        }

        /* 表单 */
        .form-card {
            background: var(--brand-grad);
            border-radius: var(--radius-xl);
            padding: 48px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .form-card::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            z-index: 0;
        }

        .form-input {
            background: rgba(255,255,255,0.92);
            border: 2px solid rgba(255,255,255,0.4);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 15px;
            color: var(--maintext);
            width: 100%;
            transition: all 0.25s ease;
        }

        .form-input:focus {
            border-color: var(--graphite);
            box-shadow: 0 0 0 4px rgba(47,62,70,0.12);
            background: #fff;
        }

        .form-submit {
            background: var(--graphite);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 12px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            width: 100%;
        }

        .form-submit:hover {
            background: var(--terracotta);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.2);
        }

        /* 页脚 */
        .site-footer {
            background: var(--graphite);
            color: rgba(255,255,255,0.85);
            margin-top: 80px;
            padding: 56px 0 32px;
        }

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

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

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,0.65);
            max-width: 300px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255,255,255,0.65);
            font-size: 14px;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.12);
            font-size: 13px;
            color: rgba(255,255,255,0.5);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            font-size: 13px;
            transition: color 0.25s ease;
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .form-card {
                padding: 36px;
            }
            .compare-panel {
                padding: 24px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px 0 4px;
                border-top: 1px solid rgba(184,198,212,0.3);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                text-align: center;
                padding: 10px 16px;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .steps-nav {
                gap: 16px;
                font-size: 11px;
            }
            .step-item {
                font-size: 11px;
                gap: 5px;
            }
            .step-dot {
                width: 22px;
                height: 22px;
                font-size: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .form-card {
                padding: 24px;
                border-radius: 24px;
            }
            .hero-bg {
                border-radius: 24px;
            }
            .compare-panel {
                padding: 16px;
                border-radius: 20px;
            }
            .compare-before,
            .compare-after {
                padding: 16px;
                border-radius: 14px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px 18px 46px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .logo {
                font-size: 20px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 10px;
            }
            .group-btn-primary,
            .group-btn-secondary {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
                text-align: center;
            }
            .hero-content {
                padding: 28px 20px;
            }
        }

        /* 自定义补充动画 */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category4 */
:root {
            --bg-warm: #F5F1EA;
            --bg-warm2: #EFEAE3;
            --brand-mist: #B8C6D4;
            --brand-gold: #D8C3A0;
            --brand-grad: linear-gradient(135deg, #B8C6D4 0%, #D8C3A0 100%);
            --brand-grad-90: linear-gradient(90deg, #B8C6D4 0%, #D8C3A0 100%);
            --graphite: #2F3E46;
            --terracotta: #B45F3E;
            --maintext: #1F2A2E;
            --subtext: #5A666B;
            --fainttext: #8A9498;
            --white: #FFFFFF;
            --card-white: #FFFFFF;
            --radius-lg: 28px;
            --radius-xl: 32px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 18px 35px rgba(31, 42, 46, 0.08);
            --shadow-hover: 0 24px 45px rgba(31, 42, 46, 0.14);
            --font-serif: "Songti SC", "Noto Serif CJK SC", "PingFang SC", serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }

        * {
            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: 1.8;
            color: var(--maintext);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        button {
            cursor: pointer;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        ::selection {
            background: rgba(184, 198, 212, 0.5);
            color: var(--graphite);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 241, 234, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(184, 198, 212, 0.35);
            box-shadow: 0 4px 18px rgba(31, 42, 46, 0.05);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--graphite);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--brand-grad);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(184, 198, 212, 0.4);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--subtext);
            transition: all 0.25s ease;
            letter-spacing: 0.3px;
        }

        .main-nav a:hover {
            color: var(--terracotta);
            background: rgba(184, 198, 212, 0.18);
        }

        .main-nav a.active {
            color: #fff;
            background: var(--brand-grad);
            box-shadow: 0 6px 18px rgba(184, 198, 212, 0.4);
        }

        .nav-cta {
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--graphite);
            color: #fff !important;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
        }

        .nav-cta:hover {
            background: var(--terracotta) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(45, 63, 70, 0.2);
        }

        .steps-nav {
            display: flex;
            gap: 28px;
            align-items: center;
            padding: 10px 0 14px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid rgba(184, 198, 212, 0.25);
        }

        .steps-nav::-webkit-scrollbar {
            display: none;
        }

        .step-item {
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 500;
            color: var(--fainttext);
            transition: color 0.25s ease;
        }

        .step-item.active {
            color: var(--graphite);
            font-weight: 600;
        }

        .step-item.active .step-dot {
            background: var(--brand-grad);
            border-color: transparent;
            color: #fff;
        }

        .step-item.completed {
            color: var(--subtext);
        }

        .step-item.completed .step-dot {
            background: var(--graphite);
            border-color: var(--graphite);
            color: #fff;
        }

        .step-item:hover {
            color: var(--terracotta);
        }

        .step-item:hover .step-dot {
            border-color: var(--terracotta);
            color: var(--terracotta);
        }

        .step-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid #cfd8df;
            font-size: 12px;
            font-weight: 700;
            color: var(--fainttext);
            transition: all 0.25s ease;
            flex-shrink: 0;
            background: #fff;
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 10px;
            background: rgba(184, 198, 212, 0.2);
        }

        .mobile-menu-btn span {
            width: 22px;
            height: 2.5px;
            background: var(--graphite);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        .mobile-nav {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 16px 0;
            border-top: 1px solid rgba(184, 198, 212, 0.25);
        }

        .mobile-nav a {
            padding: 12px 16px;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--subtext);
            transition: all 0.25s ease;
        }

        .mobile-nav a:hover {
            color: var(--terracotta);
            background: rgba(184, 198, 212, 0.15);
        }

        .mobile-nav a.active {
            color: #fff;
            background: var(--brand-grad);
        }

        .page-hero {
            position: relative;
            padding: 72px 0 88px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: 0 0 40px 40px;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(47, 62, 70, 0.82) 0%, rgba(47, 62, 70, 0.55) 50%, rgba(184, 198, 212, 0.4) 100%);
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            letter-spacing: 0.5px;
            max-width: 680px;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: var(--brand-grad);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            box-shadow: 0 12px 32px rgba(184, 198, 212, 0.45);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 18px 40px rgba(184, 198, 212, 0.55);
            filter: brightness(1.05);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

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

        .section {
            padding: 72px 0;
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(184, 198, 212, 0.25);
            color: var(--terracotta);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--graphite);
            line-height: 1.4;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--subtext);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .card-resource {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid rgba(184, 198, 212, 0.2);
        }

        .card-resource:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(184, 198, 212, 0.5);
        }

        .card-resource .card-img-wrap {
            position: relative;
            padding-top: 56.25%;
            background: var(--bg-warm2);
            overflow: hidden;
        }

        .card-resource .card-img-wrap img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .card-resource .card-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 8px;
            background: rgba(184, 198, 212, 0.25);
            color: var(--terracotta);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 12px;
            width: fit-content;
        }

        .card-resource h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--graphite);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .card-resource p {
            font-size: 14.5px;
            color: var(--subtext);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 16px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding-top: 14px;
            border-top: 1px solid rgba(184, 198, 212, 0.25);
        }

        .badge-data {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(184, 198, 212, 0.3);
            color: var(--graphite);
            font-size: 13px;
            font-weight: 600;
            font-family: var(--font-mono);
        }

        .badge-data .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--terracotta);
        }

        .card-link {
            color: var(--terracotta);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .card-link:hover {
            gap: 8px;
            color: var(--graphite);
        }

        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-panel {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            border: 1px solid rgba(184, 198, 212, 0.2);
        }

        .feature-panel .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 280px;
            background: var(--bg-warm2);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .feature-panel .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-panel .feature-content h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--graphite);
            line-height: 1.5;
            margin-bottom: 14px;
        }

        .feature-panel .feature-content p {
            font-size: 15.5px;
            color: var(--subtext);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14.5px;
            color: var(--subtext);
            line-height: 1.7;
        }

        .feature-list li::before {
            content: '→';
            color: var(--terracotta);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .process-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px;
            text-align: center;
            border: 1px solid rgba(184, 198, 212, 0.2);
            transition: all 0.35s ease;
        }

        .process-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(184, 198, 212, 0.5);
        }

        .process-card .step-number {
            font-family: var(--font-mono);
            font-size: 42px;
            font-weight: 700;
            color: var(--brand-mist);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -1px;
        }

        .process-card h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--graphite);
            margin-bottom: 10px;
        }

        .process-card p {
            font-size: 14px;
            color: var(--subtext);
            line-height: 1.7;
        }

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

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(184, 198, 212, 0.2);
            padding: 24px 28px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(184, 198, 212, 0.5);
            box-shadow: var(--shadow-hover);
        }

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

        .faq-question h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--graphite);
            line-height: 1.6;
        }

        .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid rgba(184, 198, 212, 0.5);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--subtext);
            transition: all 0.3s ease;
            flex-shrink: 0;
            background: #fff;
        }

        .faq-item.open .faq-toggle {
            background: var(--brand-grad);
            border-color: transparent;
            color: #fff;
            transform: rotate(45deg);
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 16px;
            opacity: 1;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--subtext);
            line-height: 1.8;
            border-top: 1px solid rgba(184, 198, 212, 0.3);
            padding-top: 16px;
        }

        .cta-panel {
            background: var(--brand-grad);
            border-radius: var(--radius-xl);
            padding: 56px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            box-shadow: 0 30px 60px rgba(184, 198, 212, 0.35);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .cta-panel .cta-content h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 14px;
        }

        .cta-panel .cta-content p {
            font-size: 15.5px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .cta-trust-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-trust-list li {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cta-trust-list li::before {
            content: '✓';
            font-weight: 700;
            color: #fff;
        }

        .cta-panel .cta-form {
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 28px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .cta-panel .cta-form label {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 4px;
            display: block;
            letter-spacing: 0.5px;
        }

        .cta-panel .cta-form input,
        .cta-panel .cta-form select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            color: var(--maintext);
            transition: all 0.3s ease;
            margin-bottom: 14px;
        }

        .cta-panel .cta-form input:focus,
        .cta-panel .cta-form select:focus {
            border-color: #fff;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3);
            background: #fff;
        }

        .cta-panel .cta-form .btn-submit {
            width: 100%;
            padding: 14px 28px;
            border-radius: 999px;
            background: var(--graphite);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .cta-panel .cta-form .btn-submit:hover {
            background: var(--terracotta);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(47, 62, 70, 0.35);
        }

        .site-footer {
            background: var(--graphite);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
        }

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

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

        .footer-brand .logo-mark {
            background: var(--brand-grad);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }

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

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

            .feature-panel {
                grid-template-columns: 1fr;
                padding: 32px;
            }

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

            .cta-panel {
                grid-template-columns: 1fr;
                padding: 36px;
            }

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

            .hero-title {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .mobile-nav {
                display: none;
            }

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

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

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

            .section {
                padding: 48px 0;
            }

            .page-hero {
                padding: 48px 0 60px;
                border-radius: 0 0 28px 28px;
            }

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

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

            .feature-panel {
                padding: 24px;
                border-radius: var(--radius-lg);
            }

            .cta-panel {
                padding: 28px;
                border-radius: var(--radius-lg);
            }

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

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

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

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

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

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

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 13px 24px;
            }

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

            .card-resource .card-body {
                padding: 18px 18px 22px;
            }

            .faq-item {
                padding: 18px 20px;
            }

            .cta-panel .cta-form {
                padding: 20px;
            }

            .steps-nav {
                gap: 16px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-warm: #F5F1EA;
            --bg-warm2: #EFEAE3;
            --brand-mist: #B8C6D4;
            --brand-gold: #D8C3A0;
            --brand-grad: linear-gradient(135deg, #B8C6D4 0%, #D8C3A0 100%);
            --brand-grad-90: linear-gradient(90deg, #B8C6D4 0%, #D8C3A0 100%);
            --graphite: #2F3E46;
            --terracotta: #B45F3E;
            --maintext: #1F2A2E;
            --subtext: #5A666B;
            --fainttext: #8A9498;
            --white: #FFFFFF;
            --card-white: #FFFFFF;
            --radius-lg: 28px;
            --radius-xl: 32px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 18px 35px rgba(31, 42, 46, 0.08);
            --shadow-hover: 0 24px 45px rgba(31, 42, 46, 0.14);
            --font-serif: "Songti SC", "Noto Serif CJK SC", "PingFang SC", serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--maintext);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        button {
            cursor: pointer;
        }

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

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 241, 234, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(184, 198, 212, 0.35);
            box-shadow: 0 4px 18px rgba(31, 42, 46, 0.05);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--graphite);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--brand-grad);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--subtext);
            transition: all 0.25s ease;
            letter-spacing: 0.3px;
        }

        .main-nav a:hover {
            color: var(--terracotta);
            background: rgba(184, 198, 212, 0.18);
        }

        .main-nav a.active {
            color: #fff;
            background: var(--brand-grad);
        }

        .nav-cta {
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--graphite);
            color: #fff !important;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
        }

        .nav-cta:hover {
            background: var(--terracotta) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 12px 28px rgba(45, 63, 70, 0.2);
        }

        .steps-nav {
            display: flex;
            gap: 28px;
            align-items: center;
            padding: 10px 0 14px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .steps-nav::-webkit-scrollbar {
            display: none;
        }

        .step-item {
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 500;
            color: var(--fainttext);
            transition: color 0.25s ease;
        }

        .step-item.active {
            color: var(--graphite);
            font-weight: 600;
        }

        .step-item.active .step-dot {
            background: var(--brand-grad);
            border-color: transparent;
            color: #fff;
        }

        .step-item.completed {
            color: var(--subtext);
        }

        .step-item.completed .step-dot {
            background: var(--graphite);
            border-color: var(--graphite);
            color: #fff;
        }

        .step-item:hover {
            color: var(--terracotta);
        }

        .step-item:hover .step-dot {
            border-color: var(--terracotta);
            color: var(--terracotta);
        }

        .step-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 2px solid var(--fainttext);
            color: var(--fainttext);
            font-size: 12px;
            font-weight: 700;
            transition: all 0.25s ease;
            flex-shrink: 0;
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 6px;
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--graphite);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: var(--brand-grad);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            box-shadow: 0 10px 24px rgba(184, 198, 212, 0.35);
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 18px 35px rgba(184, 198, 212, 0.45);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 999px;
            background: transparent;
            border: 1.5px solid var(--brand-mist);
            color: var(--graphite);
            font-weight: 600;
            font-size: 16px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            border-color: var(--terracotta);
            color: var(--terracotta);
            background: rgba(180, 95, 62, 0.05);
            transform: translateY(-1px);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(180, 95, 62, 0.45);
            outline-offset: 2px;
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(184, 198, 212, 0.25);
            color: var(--graphite);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }

        .badge-pill .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--terracotta);
            flex-shrink: 0;
        }

        .data-badge {
            display: inline-flex;
            align-items: baseline;
            gap: 4px;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 22px;
            color: var(--graphite);
            letter-spacing: -0.5px;
        }

        .section-pad {
            padding: 72px 0;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--graphite);
            line-height: 1.35;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .section-sub {
            font-size: 16px;
            color: var(--subtext);
            max-width: 680px;
            line-height: 1.85;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(216, 195, 160, 0.2);
            color: var(--terracotta);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.4px;
        }

        .card-base {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            border: 1px solid rgba(184, 198, 212, 0.18);
        }

        .card-base:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(184, 198, 212, 0.5);
        }

        .faq-card {
            background: #fff;
            border-radius: 20px;
            border: 1px solid rgba(216, 195, 160, 0.25);
            overflow: hidden;
            transition: all 0.3s ease;
            margin-bottom: 14px;
        }

        .faq-card summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 28px;
            cursor: pointer;
            font-weight: 600;
            font-size: 17px;
            color: var(--graphite);
            list-style: none;
            gap: 16px;
            transition: color 0.25s ease;
        }

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

        .faq-card summary:hover {
            color: var(--terracotta);
        }

        .faq-card summary .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(184, 198, 212, 0.25);
            color: var(--graphite);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: all 0.3s ease;
        }

        .faq-card[open] summary .faq-icon {
            background: var(--brand-grad);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-card[open] {
            box-shadow: var(--shadow-card);
            border-color: rgba(184, 198, 212, 0.5);
            background: #FFFDF9;
        }

        .faq-card .faq-answer {
            padding: 0 28px 22px;
            color: var(--subtext);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid rgba(216, 195, 160, 0.18);
            padding-top: 16px;
            margin: 0 28px;
        }

        .form-input {
            width: 100%;
            padding: 14px 18px;
            border-radius: 12px;
            border: 1.5px solid #D9D2C5;
            background: rgba(255, 255, 255, 0.85);
            color: var(--maintext);
            font-size: 15px;
            transition: all 0.3s ease;
        }

        .form-input:focus {
            border-color: var(--brand-mist);
            box-shadow: 0 0 0 4px rgba(184, 198, 212, 0.25);
            background: #fff;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--graphite);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .site-footer {
            background: var(--graphite);
            color: #E8E2D5;
            padding: 56px 0 28px;
        }

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

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
            font-size: 24px;
        }

        .footer-brand .logo-mark {
            background: var(--brand-grad);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(232, 226, 213, 0.7);
            max-width: 320px;
        }

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

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: rgba(232, 226, 213, 0.7);
            font-size: 14px;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(232, 226, 213, 0.15);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 13px;
            color: rgba(232, 226, 213, 0.5);
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(232, 226, 213, 0.6);
            transition: color 0.25s ease;
        }

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

        .hero-section {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 520px;
            display: flex;
            align-items: center;
            margin-top: 24px;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(47, 62, 70, 0.78) 0%, rgba(184, 198, 212, 0.45) 55%, rgba(216, 195, 160, 0.4) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 56px;
            max-width: 720px;
            color: #fff;
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 1.5px;
            margin-bottom: 18px;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 560px;
        }

        .video-play-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(8px);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .video-play-btn:hover {
            background: rgba(255, 255, 255, 0.28);
            transform: translateY(-2px);
        }

        .play-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #fff;
            color: var(--graphite);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

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

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

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

        .responsive-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            background: var(--bg-warm2);
        }

        .process-step {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 22px;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid rgba(184, 198, 212, 0.22);
            transition: all 0.3s ease;
            box-shadow: 0 8px 20px rgba(31, 42, 46, 0.04);
        }

        .process-step:hover {
            box-shadow: var(--shadow-card);
            border-color: rgba(184, 198, 212, 0.5);
            transform: translateY(-2px);
        }

        .process-num {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--terracotta);
            background: rgba(180, 95, 62, 0.1);
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .cover-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            border: 1px solid rgba(184, 198, 212, 0.18);
        }

        .cover-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(184, 198, 212, 0.5);
        }

        .cover-card-body {
            padding: 22px 24px 26px;
        }

        .stat-block {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid rgba(184, 198, 212, 0.3);
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-block:hover {
            border-color: rgba(184, 198, 212, 0.6);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .stat-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--terracotta);
            letter-spacing: -0.5px;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--subtext);
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-content {
                padding: 36px 40px;
            }
            .hero-title {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .hero-content {
                padding: 28px 24px;
            }
            .hero-title {
                font-size: 27px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .steps-nav {
                gap: 16px;
                font-size: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 23px;
            }
            .hero-section {
                min-height: 420px;
            }
            .hero-content {
                padding: 22px 18px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .video-play-btn {
                width: 100%;
                justify-content: center;
            }
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .steps-nav {
                gap: 12px;
            }
            .step-item {
                font-size: 11px;
                gap: 5px;
            }
            .step-dot {
                width: 22px;
                height: 22px;
                font-size: 10px;
            }
        }