/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a56db;
            --primary-light: #3b82f6;
            --primary-lighter: #93c5fd;
            --primary-soft: #eff6ff;
            --accent: #d97706;
            --accent-light: #f59e0b;
            --accent-soft: #fef3c7;
            --dark: #0f172a;
            --text: #1e293b;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 12px 32px rgba(15, 23, 42, 0.12);
            --shadow-lg: 0 24px 48px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        p {
            margin-bottom: 0;
        }

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

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

        /* ===== Navbar ===== */
        .navbar-wrap {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 6px rgba(15, 23, 42, 0.04);
        }

        .navbar-wrap .navbar-brand {
            font-weight: 700;
            font-size: 18px;
            color: var(--dark);
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .navbar-wrap .navbar-brand .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #1a56db, #3b82f6);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            flex-shrink: 0;
        }

        .navbar-wrap .navbar-brand .brand-text {
            white-space: nowrap;
        }

        .navbar-wrap .navbar-nav {
            gap: 2px;
        }

        .navbar-wrap .nav-link {
            color: var(--text-light);
            font-weight: 500;
            font-size: 14px;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
        }

        .navbar-wrap .nav-link:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .navbar-wrap .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-soft);
        }

        .nav-search {
            position: relative;
            flex-shrink: 0;
        }

        .nav-search input {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 7px 16px 7px 38px;
            font-size: 13px;
            width: 180px;
            transition: var(--transition);
            font-family: var(--font-family);
        }

        .nav-search input:focus {
            width: 240px;
            outline: none;
            border-color: var(--primary-light);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
        }

        .nav-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-lighter);
            font-size: 14px;
            pointer-events: none;
        }

        .btn-primary-custom {
            background: var(--primary);
            border: none;
            color: #fff;
            padding: 8px 22px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
            font-family: var(--font-family);
            white-space: nowrap;
        }

        .btn-primary-custom:hover {
            background: #1e40af;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(26, 86, 219, 0.3);
            color: #fff;
        }

        .btn-primary-custom:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-primary-custom:focus-visible {
            outline: 3px solid rgba(59, 130, 246, 0.4);
            outline-offset: 2px;
        }

        .btn-outline-custom {
            background: transparent;
            border: 1.5px solid var(--border);
            color: var(--text);
            padding: 8px 22px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
            font-family: var(--font-family);
            white-space: nowrap;
        }

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

        .btn-accent-custom {
            background: var(--accent);
            border: none;
            color: #fff;
            padding: 10px 28px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            font-family: var(--font-family);
            white-space: nowrap;
        }

        .btn-accent-custom:hover {
            background: #b45309;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(217, 119, 6, 0.35);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 80px 0 64px;
            background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 45%, #ffffff 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(217, 119, 6, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 6px 18px;
            font-size: 13px;
            color: var(--text-light);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
            margin-bottom: 24px;
        }

        .hero-badge i {
            color: var(--accent);
        }

        .hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--dark);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

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

        .hero-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.85;
            max-width: 580px;
            margin-bottom: 28px;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 32px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }

        .hero-stats .stat-item {
            text-align: left;
        }

        .hero-stats .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
        }

        .hero-stats .stat-label {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 2px;
        }

        /* 进度环卡片 */
        .hero-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-lg);
            padding: 32px;
            position: relative;
            z-index: 2;
            transition: var(--transition);
        }

        .hero-card:hover {
            box-shadow: 0 20px 48px rgba(15, 23, 42, 0.16);
            transform: translateY(-4px);
        }

        .hero-card .card-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 18px;
        }

        .hero-card .card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        .hero-card .card-tag {
            font-size: 12px;
            background: var(--accent-soft);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: 14px;
            font-weight: 500;
        }

        .progress-ring {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: conic-gradient(var(--primary) 0% 79%, #e2e8f0 79% 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            position: relative;
        }

        .progress-ring::before {
            content: '';
            position: absolute;
            inset: 14px;
            border-radius: 50%;
            background: #fff;
            box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.03);
        }

        .progress-ring-inner {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .progress-ring-inner .num {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .progress-ring-inner .label {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 2px;
        }

        .hero-card .card-detail {
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
        }

        .hero-card .detail-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
            font-size: 14px;
        }

        .hero-card .detail-row .label {
            color: var(--text-light);
        }

        .hero-card .detail-row .value {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 72px 0;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 4px 16px;
            border-radius: 16px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== 目标进度 ===== */
        .progress-section {
            padding: 56px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }

        .progress-section .section-head {
            margin-bottom: 36px;
        }

        .progress-main-bar {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 36px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
        }

        .progress-meta {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .progress-meta .label {
            font-size: 14px;
            color: var(--text-light);
        }

        .progress-meta .value {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .progress-track {
            background: #e2e8f0;
            border-radius: 20px;
            height: 10px;
            overflow: hidden;
            position: relative;
        }

        .progress-fill {
            background: linear-gradient(90deg, #1a56db, #3b82f6);
            border-radius: 20px;
            height: 100%;
            width: 79%;
            transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .progress-fill::after {
            content: '';
            position: absolute;
            right: 4px;
            top: 2px;
            width: 6px;
            height: 6px;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.5);
        }

        .progress-mini-cards {
            display: flex;
            gap: 24px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .progress-mini-card {
            flex: 1;
            min-width: 200px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .progress-mini-card:hover {
            border-color: var(--primary-lighter);
            box-shadow: var(--shadow);
        }

        .progress-mini-card .mini-num {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
        }

        .progress-mini-card .mini-label {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 2px;
        }

        .progress-mini-card i {
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 8px;
        }

        /* ===== 档位回报 ===== */
        .tier-section {
            padding: 72px 0;
            background: var(--bg);
        }

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

        .tier-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .tier-card.featured {
            border-color: var(--primary);
            box-shadow: 0 8px 32px rgba(26, 86, 219, 0.15);
        }

        .tier-card.featured::before {
            content: '热门推荐';
            position: absolute;
            top: 18px;
            right: -34px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 36px;
            transform: rotate(45deg);
        }

        .tier-card .tier-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }

        .tier-card .tier-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .tier-card .tier-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .tier-card .tier-price span {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 400;
        }

        .tier-card .tier-features {
            flex: 1;
            margin-bottom: 24px;
        }

        .tier-card .tier-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            padding: 4px 0;
        }

        .tier-card .tier-features li i {
            color: var(--primary);
            font-size: 12px;
            margin-top: 6px;
            flex-shrink: 0;
        }

        .tier-card .tier-btn {
            width: 100%;
            text-align: center;
            padding: 10px 0;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
        }

        /* ===== 核心服务 ===== */
        .service-section {
            padding: 72px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }

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

        .service-card {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 32px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-lighter);
            background: #fff;
        }

        .service-card .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .service-card:hover .service-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .service-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== 支持者墙 ===== */
        .supporters-section {
            padding: 72px 0;
            background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
        }

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

        .supporter-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .supporter-card .supporter-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 16px;
        }

        .supporter-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .supporter-avatar.alt {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
        }

        .supporter-avatar.alt2 {
            background: linear-gradient(135deg, #10b981, #059669);
        }

        .supporter-info .name {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
        }

        .supporter-info .meta {
            font-size: 12px;
            color: var(--text-lighter);
        }

        .supporter-card .quote {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .supporter-card .stars {
            color: #f59e0b;
            font-size: 13px;
        }

        /* ===== 资讯 ===== */
        .news-section {
            padding: 72px 0;
            background: var(--bg-white);
        }

        .news-wrap {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
        }

        .news-list .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .news-list .news-item:first-child {
            padding-top: 0;
        }

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

        .news-item .news-date {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            line-height: 1.3;
        }

        .news-item .news-date .day {
            font-size: 20px;
            font-weight: 700;
        }

        .news-item .news-date .month {
            font-size: 12px;
        }

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

        .news-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: var(--transition);
            display: block;
        }

        .news-item .news-title:hover {
            color: var(--primary);
        }

        .news-item .news-excerpt {
            font-size: 13px;
            color: var(--text-lighter);
            line-height: 1.6;
        }

        .news-sidebar {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 24px;
        }

        .news-sidebar .sidebar-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-soft);
        }

        .sidebar-reco-items .reco-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            align-items: center;
        }

        .sidebar-reco-items .reco-item:last-child {
            border-bottom: none;
        }

        .reco-item .reco-rank {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary-lighter);
            width: 30px;
            text-align: center;
            flex-shrink: 0;
        }

        .reco-item:first-child .reco-rank {
            color: #f59e0b;
        }

        .reco-item:nth-child(2) .reco-rank {
            color: #94a3b8;
        }

        .reco-item:nth-child(3) .reco-rank {
            color: #d97706;
        }

        .reco-item .reco-text {
            font-size: 14px;
            color: var(--text);
            line-height: 1.4;
            transition: var(--transition);
            display: block;
        }

        .reco-item .reco-text:hover {
            color: var(--primary);
        }

        .sidebar-badge {
            margin-top: 24px;
            padding: 16px;
            background: var(--primary-soft);
            border-radius: var(--radius-sm);
            text-align: center;
            font-size: 14px;
            color: var(--text);
        }

        .sidebar-badge strong {
            color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 60%, #1a56db 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .cta-inner .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-white-custom {
            background: #fff;
            border: none;
            color: #1a56db;
            padding: 12px 32px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }

        .btn-white-custom:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
            color: #1a56db;
        }

        .btn-ghost-custom {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            padding: 10px 28px;
            border-radius: 24px;
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }

        .btn-ghost-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

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

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-card:hover {
            box-shadow: var(--shadow);
        }

        .faq-card summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            transition: var(--transition);
        }

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

        .faq-card summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: var(--text-lighter);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-card[open] summary {
            color: var(--primary);
        }

        .faq-card[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-card .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.9;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--dark);
            padding: 56px 0 24px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }

        .footer h5 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer ul li {
            padding: 4px 0;
        }

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

        .footer ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .supporter-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-wrap {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                margin-top: 20px;
            }
            .hero h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero {
                padding: 56px 0 40px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-card {
                margin-top: 32px;
                padding: 24px;
            }
            .navbar-collapse {
                padding-top: 16px;
                background: #fff;
                border-radius: 12px;
                box-shadow: var(--shadow);
                border: 1px solid var(--border-light);
                padding: 16px;
            }
            .nav-search input,
            .nav-search input:focus {
                width: 100%;
            }
            .nav-search {
                width: 100%;
                margin: 10px 0;
            }
            .navbar-nav {
                margin-bottom: 8px;
            }
            .progress-main-bar {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-stats {
                gap: 20px;
            }
            .tier-grid,
            .service-grid,
            .supporter-grid {
                grid-template-columns: 1fr;
            }
            .tier-card {
                padding: 24px 20px;
            }
            .cta-inner .cta-title {
                font-size: 24px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-buttons .btn {
                width: 100%;
                text-align: center;
            }
            .faq-card summary {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-card .faq-answer {
                padding: 0 18px 16px;
            }
            .progress-mini-cards {
                flex-direction: column;
                gap: 12px;
            }
            .progress-meta {
                flex-direction: column;
                gap: 4px;
            }
        }

/* roulang page: index */
:root {
  --primary: #1a73e8;
  --primary-dark: #0d47a1;
  --primary-light: #e8f0fe;
  --accent: #b08968;
  --accent-light: #f5ebe0;
  --bg: #f5f8fc;
  --text: #1a2b3c;
  --text-weak: #5f6c80;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(26, 43, 60, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 43, 60, 0.12);
  --transition: 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
.btn { border-radius: 50px; padding: 10px 28px; font-weight: 600; font-size: 15px; border: none; transition: all var(--transition); display: inline-flex; align-items: center; gap: 8px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(26, 115, 232, 0.3); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #9a7355; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(176, 137, 104, 0.3); }
.btn-lg { padding: 14px 38px; font-size: 16px; }
.btn:focus, .btn:active { outline: 4px solid rgba(26, 115, 232, 0.2); box-shadow: 0 8px 20px rgba(26, 115, 232, 0.25); }

/* Header */
.site-header { background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1000; padding: 14px 0; }
.header-inner { display: flex; align-items: center; gap: 30px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); white-space: nowrap; }
.brand:hover { color: var(--primary); }
.brand-icon { width: 36px; height: 36px; background: var(--primary-light); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 18px; }
.main-nav { display: flex; align-items: center; gap: 6px; flex: 1; }
.main-nav .nav-link { padding: 8px 16px; border-radius: 8px; color: var(--text-weak); font-weight: 500; font-size: 15px; }
.main-nav .nav-link:hover { color: var(--primary); background: var(--primary-light); }
.main-nav .nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box { position: relative; }
.search-box input { border: 1.5px solid var(--border); border-radius: 50px; padding: 8px 16px 8px 38px; font-size: 14px; width: 220px; outline: none; transition: all var(--transition); background: #f8fafc; }
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(26,115,232,0.15); width: 260px; }
.search-box i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-weak); font-size: 14px; }
.mobile-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--text); cursor: pointer; padding: 6px; border-radius: 8px; }
.mobile-toggle:hover { background: var(--primary-light); }
.mobile-menu { display: none; }

/* Hero */
.hero { position: relative; background: linear-gradient(135deg, rgba(26,115,232,0.08), rgba(176,137,104,0.08)); padding: 80px 0 100px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.jpg'); background-size: cover; background-position: center; opacity: 0.18; z-index: 0; }
.hero .container { position: relative; z-index: 1; }
.hero-tag { display: inline-flex; align-items: center; gap: 6px; background: var(--primary-light); color: var(--primary); padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 20px; letter-spacing: 0.5px; }
.hero h1 { font-size: 42px; font-weight: 800; line-height: 1.25; color: var(--text); margin-bottom: 18px; letter-spacing: -0.5px; }
.hero-sub { font-size: 17px; color: var(--text-weak); line-height: 1.75; max-width: 580px; margin-bottom: 28px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-stat h3 { font-size: 26px; font-weight: 800; color: var(--text); line-height: 1.2; }
.hero-stat p { font-size: 13px; color: var(--text-weak); margin: 0; }
.progress-ring-card { background: rgba(255,255,255,0.95); border-radius: 24px; padding: 36px 30px; text-align: center; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.6); max-width: 340px; margin: 0 auto; }
.progress-ring-wrap { position: relative; width: 220px; height: 220px; margin: 0 auto 20px; }
.progress-ring { width: 220px; height: 220px; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: var(--primary-light); stroke-width: 16; }
.ring-bar { fill: none; stroke: var(--primary); stroke-width: 16; stroke-linecap: round; stroke-dasharray: 553; stroke-dashoffset: 77; transition: stroke-dashoffset 1.2s ease; }
.ring-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; }
.ring-percent { font-size: 36px; font-weight: 800; color: var(--primary); display: block; line-height: 1.1; }
.ring-label { font-size: 13px; color: var(--text-weak); display: block; margin-top: 2px; }
.ring-card-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.ring-card-desc { font-size: 13px; color: var(--text-weak); margin-bottom: 14px; }
.ring-card-meta { display: flex; justify-content: center; gap: 14px; font-size: 12px; color: var(--text-weak); }
.ring-card-meta i { color: var(--primary); }

/* Section common */
.section-pad { padding: 80px 0; }
.section-label { font-size: 14px; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.section-label::after { content: ""; width: 40px; height: 2px; background: var(--primary-light); display: inline-block; }
.section-title { font-size: 34px; font-weight: 800; color: var(--text); line-height: 1.3; letter-spacing: -0.4px; margin-bottom: 12px; }
.section-sub { font-size: 16px; color: var(--text-weak); max-width: 700px; margin-bottom: 48px; }

/* Progress section */
.progress-section .card { border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); transition: all var(--transition); }
.progress-section .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.progress-item { padding: 24px; }
.progress-item .icon-wrap { width: 48px; height: 48px; border-radius: 12px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 14px; }
.progress-item h4 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.progress-item p { font-size: 14px; color: var(--text-weak); margin-bottom: 16px; }
.progress-item .progress { height: 8px; border-radius: 10px; background: var(--primary-light); overflow: hidden; }
.progress-item .progress-bar { background: var(--primary); border-radius: 10px; }
.progress-item .stat-num { font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 2px; }

/* Tiers */
.tiers-section { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.tier-card { border: 1px solid var(--border); border-radius: 20px; overflow: hidden; background: var(--white); box-shadow: var(--shadow); transition: all var(--transition); display: flex; flex-direction: column; height: 100%; }
.tier-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(26,115,232,0.3); }
.tier-card.featured { border-color: var(--primary); box-shadow: 0 8px 30px rgba(26,115,232,0.15); }
.tier-img { height: 160px; overflow: hidden; position: relative; }
.tier-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.tier-card:hover .tier-img img { transform: scale(1.06); }
.tier-img .tier-badge { position: absolute; top: 14px; right: 14px; background: var(--primary); color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.tier-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.tier-body h4 { font-size: 19px; font-weight: 700; margin-bottom: 4px; }
.tier-body .tier-price { font-size: 24px; font-weight: 800; color: var(--primary); margin-bottom: 14px; }
.tier-body .tier-price span { font-size: 14px; color: var(--text-weak); font-weight: 400; }
.tier-body ul { list-style: none; padding: 0; margin: 0 0 20px; flex: 1; }
.tier-body ul li { padding: 5px 0; font-size: 14px; color: var(--text-weak); display: flex; align-items: flex-start; gap: 8px; }
.tier-body ul li i { color: var(--primary); font-size: 14px; margin-top: 4px; }

/* Guarantee strip */
.guarantee-strip { background: var(--primary-dark); position: relative; overflow: hidden; }
.guarantee-strip::before { content: ""; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-3.jpg'); background-size: cover; background-position: center; opacity: 0.12; }
.guarantee-strip .container { position: relative; z-index: 1; }
.guarantee-item { text-align: center; padding: 20px 10px; }
.guarantee-item i { font-size: 32px; color: #fff; margin-bottom: 12px; display: block; }
.guarantee-item h5 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.guarantee-item p { color: rgba(255,255,255,0.7); font-size: 13px; margin: 0; }

/* Supporters */
.supporters-section .card { border: none; border-radius: 20px; box-shadow: var(--shadow); background: var(--white); transition: all var(--transition); height: 100%; }
.supporters-section .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.supporters-section .card-body { padding: 28px; }
.reviewer { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.reviewer-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; }
.reviewer-info h6 { margin: 0; font-size: 15px; font-weight: 700; }
.reviewer-info p { margin: 0; font-size: 12px; color: var(--text-weak); }
.stars { color: #f0b429; font-size: 13px; margin-bottom: 10px; }
.review-text { font-size: 14px; color: var(--text); line-height: 1.75; margin: 0; }

/* News */
.news-section { background: var(--white); }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item { display: flex; align-items: flex-start; gap: 16px; padding: 18px; border-radius: 14px; border: 1px solid var(--border); transition: all var(--transition); background: var(--white); }
.news-item:hover { box-shadow: var(--shadow); border-color: rgba(26,115,232,0.3); transform: translateX(4px); }
.news-item .date-badge { flex-shrink: 0; width: 58px; height: 58px; border-radius: 14px; background: var(--primary-light); color: var(--primary); display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; line-height: 1.2; }
.news-item .date-badge small { font-size: 11px; font-weight: 500; }
.news-item h5 { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.news-item p { font-size: 13px; color: var(--text-weak); margin: 0; line-height: 1.6; }
.news-sidebar { background: var(--bg); border-radius: 20px; padding: 28px; }
.news-sidebar h5 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.sidebar-link { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 14px; color: var(--text); }
.sidebar-link:last-child { border-bottom: none; }
.sidebar-link:hover { color: var(--primary); }
.sidebar-link i { color: var(--primary); font-size: 12px; }
.hot-tag { display: inline-block; background: var(--accent-light); color: var(--accent); padding: 2px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; margin-left: 8px; }

/* FAQ */
.faq-section .card { border: 1px solid var(--border); border-radius: 16px; margin-bottom: 16px; box-shadow: none; transition: all var(--transition); }
.faq-section .card:hover { border-color: rgba(26,115,232,0.4); box-shadow: var(--shadow); }
.faq-section .card-header { background: var(--white); border-bottom: 1px solid var(--border); padding: 20px 24px; border-radius: 16px 16px 0 0 !important; }
.faq-section .card-header button { color: var(--text); font-weight: 600; font-size: 15px; text-decoration: none; display: flex; align-items: center; justify-content: space-between; width: 100%; }
.faq-section .card-header button i { color: var(--primary); transition: transform var(--transition); }
.faq-section .card-header button[aria-expanded="true"] i { transform: rotate(180deg); }
.faq-section .card-body { padding: 20px 24px; font-size: 14px; color: var(--text-weak); line-height: 1.8; }

/* CTA */
.cta-section { position: relative; padding: 100px 0; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); text-align: center; }
.cta-section::before { content: ""; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.jpg'); background-size: cover; background-position: center; opacity: 0.1; }
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: #fff; font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 17px; max-width: 640px; margin: 0 auto 36px; }
.cta-section .btn-white { background: #fff; color: var(--primary); border-radius: 50px; padding: 14px 44px; font-size: 16px; font-weight: 700; transition: all var(--transition); border: none; }
.cta-section .btn-white:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,0.2); color: var(--primary-dark); }
.cta-section .cta-meta { margin-top: 24px; color: rgba(255,255,255,0.7); font-size: 13px; }
.cta-section .cta-meta i { margin-right: 6px; }

/* Footer */
.site-footer { background: #0b1a2a; color: rgba(255,255,255,0.85); padding: 60px 0 0; }
.footer-brand { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-desc { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 24px; max-width: 360px; }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 14px; transition: all var(--transition); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; margin-top: 40px; font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

/* Responsive */
@media (max-width: 991px) {
  .main-nav { display: none; }
  .header-actions .search-box { display: none; }
  .mobile-toggle { display: block; }
  .mobile-menu { display: block; position: fixed; top: 70px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 16px 24px; z-index: 999; transform: translateY(-120%); transition: transform 0.3s ease; }
  .mobile-menu.open { transform: translateY(0); }
  .mobile-menu .nav-link { display: block; padding: 12px 0; border-bottom: 1px solid var(--border); color: var(--text); font-weight: 500; }
  .mobile-menu .nav-link:last-child { border-bottom: none; }
  .mobile-menu .nav-link.active { color: var(--primary); }
  .mobile-menu .btn { margin-top: 12px; width: 100%; justify-content: center; }
  .hero h1 { font-size: 32px; }
  .hero { padding: 60px 0 80px; }
  .progress-ring-card { margin-top: 40px; }
  .section-title { font-size: 28px; }
}
@media (max-width: 767px) {
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-stats { gap: 20px; }
  .hero-stat h3 { font-size: 20px; }
  .section-pad { padding: 50px 0; }
  .section-title { font-size: 24px; }
  .tier-card { margin-bottom: 16px; }
  .news-item { flex-direction: column; gap: 12px; }
  .news-item .date-badge { width: 48px; height: 48px; }
  .cta-section h2 { font-size: 26px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .brand-name { font-size: 17px; }
  .header-actions .btn { padding: 8px 16px; font-size: 13px; }
  .hero h1 { font-size: 24px; letter-spacing: -0.3px; }
  .progress-ring-card { padding: 24px 16px; }
  .ring-percent { font-size: 30px; }
  .header-inner { gap: 12px; }
}

/* roulang page: category1 */
:root {
  --primary: #2b6b9e;
  --primary-dark: #1f537f;
  --primary-light: #eaf2f8;
  --accent: #d9923b;
  --accent-light: #fdf3e5;
  --bg-body: #f6f8fb;
  --bg-white: #ffffff;
  --text-dark: #1e2a38;
  --text-body: #4a5b6a;
  --text-muted: #7c8a99;
  --border-light: #e6ecf2;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(30, 42, 56, 0.06);
  --shadow-md: 0 8px 24px rgba(30, 42, 56, 0.08);
  --shadow-lg: 0 16px 40px rgba(30, 42, 56, 0.12);
  --space-section: 96px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: var(--primary); transition: color 0.2s ease; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { padding-left: 1.2rem; }
h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5em;
}
.container { max-width: 1200px; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 16px 0;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(43, 107, 158, 0.3);
}
.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  transition: all 0.2s ease;
}
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 16px;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 8px 16px;
  width: 220px;
  transition: all 0.2s ease;
}
.nav-search:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(43, 107, 158, 0.12);
}
.nav-search i { color: var(--text-muted); font-size: 13px; }
.nav-search input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  color: var(--text-dark);
  width: 100%;
}
.nav-search input::placeholder { color: var(--text-muted); }
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  border-radius: 24px;
  font-weight: 600;
  font-size: 14px;
  padding: 9px 22px;
  transition: all 0.25s ease;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(43, 107, 158, 0.3);
}
.btn-outline-primary {
  border-color: var(--primary);
  color: var(--primary);
  border-radius: 24px;
  font-weight: 600;
  font-size: 14px;
  padding: 9px 22px;
  transition: all 0.25s ease;
}
.btn-outline-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  border-radius: 24px;
  font-weight: 600;
  transition: all 0.25s ease;
}
.btn-accent:hover {
  background: #c97e2a;
  border-color: #c97e2a;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(217, 146, 59, 0.3);
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 18px;
  color: var(--text-dark);
}
.nav-toggle:focus { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ===== Hero ===== */
.page-hero {
  position: relative;
  background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  padding: 110px 0 90px;
  color: #fff;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15, 32, 48, 0.88) 0%, rgba(15, 32, 48, 0.72) 50%, rgba(15, 32, 48, 0.45) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 22px;
  backdrop-filter: blur(4px);
}
.hero-badge i { color: #ffd58a; }
.page-hero h1 {
  font-size: 48px;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
  line-height: 1.2;
}
.page-hero .lead {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-bottom: 24px;
}
.hero-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
}
.hero-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.95);
}
.hero-features li i {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #ffd58a;
}
.hero-cta { display: flex; align-items: center; gap: 16px; margin-bottom: 42px; }
.hero-trust {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.hero-trust-item { display: flex; align-items: center; gap: 12px; }
.hero-trust-item strong { font-size: 22px; color: #fff; display: block; line-height: 1.2; }
.hero-trust-item span { font-size: 13px; color: rgba(255, 255, 255, 0.8); }
.hero-panel {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(8px);
}
.hero-panel h3 { color: #fff; font-size: 18px; margin-bottom: 20px; }
.hero-panel-list { list-style: none; padding: 0; margin: 0; }
.hero-panel-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
}
.hero-panel-list li:last-child { border-bottom: none; }
.hero-panel-list i {
  color: #ffd58a;
  font-size: 16px;
  margin-top: 1px;
  flex-shrink: 0;
}

/* ===== Section common ===== */
.section { padding: var(--space-section) 0; }
.section-head { margin-bottom: 48px; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}
.section-title { font-size: 34px; margin-bottom: 14px; }
.section-desc { font-size: 16px; color: var(--text-muted); max-width: 700px; }

/* ===== Feature cards ===== */
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  padding: 36px 30px;
  height: 100%;
  transition: all 0.3s ease;
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: transparent;
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.feature-icon.blue { background: var(--primary-light); color: var(--primary); }
.feature-icon.gold { background: var(--accent-light); color: var(--accent); }
.feature-icon.green { background: #e8f5ee; color: #2a8a5f; }
.feature-icon.purple { background: #f1ebfa; color: #7a5bb8; }
.feature-card h3 { font-size: 19px; margin-bottom: 10px; }
.feature-card p { font-size: 14px; margin-bottom: 0; }

/* ===== Space cards ===== */
.space-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  height: 100%;
  transition: all 0.3s ease;
}
.space-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.space-card-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.space-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.space-card:hover .space-card-img img { transform: scale(1.05); }
.space-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text-dark);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.space-card-tag.hot { background: rgba(217, 146, 59, 0.95); color: #fff; }
.space-card-body { padding: 24px; }
.space-card-body h3 { font-size: 18px; margin-bottom: 8px; }
.space-card-body p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.space-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}
.space-card-meta i { color: var(--primary); }
.space-card-body .btn-sm { border-radius: 20px; }

/* ===== Scene / Timeline ===== */
.scene-wrap {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.scene-list { list-style: none; padding: 0; margin: 0; }
.scene-item {
  position: relative;
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px dashed var(--border-light);
}
.scene-item:last-child { border-bottom: none; }
.scene-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}
.scene-item h4 { font-size: 17px; margin-bottom: 4px; }
.scene-item p { font-size: 14px; color: var(--text-muted); margin-bottom: 0; }
.scene-side-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  min-height: 300px;
  position: relative;
}
.scene-side-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }

/* ===== Process ===== */
.process-step {
  text-align: center;
  position: relative;
  padding: 0 16px;
}
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 14px rgba(43, 107, 158, 0.35);
}
.step-icon {
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 10px;
  display: block;
}
.process-step h4 { font-size: 16px; margin-bottom: 6px; }
.process-step p { font-size: 13px; color: var(--text-muted); margin-bottom: 0; }

/* ===== Stats ===== */
.stats-band {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  color: #fff;
}
.stats-band .stat-item { text-align: center; padding: 16px; }
.stats-band .stat-num { font-size: 38px; font-weight: 800; line-height: 1.2; }
.stats-band .stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.85); margin-top: 4px; }

/* ===== FAQ ===== */
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 14px;
  transition: box-shadow 0.25s ease;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item h4 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  margin-bottom: 8px;
}
.faq-item h4 i { color: var(--primary); font-size: 14px; }
.faq-item p { font-size: 14px; color: var(--text-muted); margin: 0; padding-left: 26px; }

/* ===== CTA ===== */
.cta-band {
  background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 72px 48px;
  text-align: center;
  color: #fff;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(20, 40, 60, 0.78);
}
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; font-size: 32px; margin-bottom: 12px; }
.cta-band p { color: rgba(255, 255, 255, 0.85); max-width: 600px; margin: 0 auto 30px; font-size: 15px; }
.cta-band .hero-trust { justify-content: center; border-top-color: rgba(255, 255, 255, 0.2); }

/* ===== Footer ===== */
.site-footer {
  background: #162938;
  color: rgba(255, 255, 255, 0.65);
  padding-top: 64px;
}
.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.site-footer .brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-size: 17px;
}
.footer-desc { font-size: 14px; line-height: 1.7; margin-bottom: 0; }
.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, 0.6); font-size: 14px; transition: all 0.2s ease; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  margin-top: 48px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .nav-links { display: none; }
  .nav-actions { display: none; }
  .nav-toggle { display: block; }
  .page-hero { padding: 80px 0 60px; }
  .page-hero h1 { font-size: 34px; }
  .section { padding: 64px 0; }
  .section-title { font-size: 28px; }
  .stats-band { padding: 40px 20px; }
  .cta-band { padding: 56px 24px; }
}
@media (max-width: 767.98px) {
  .page-hero h1 { font-size: 28px; }
  .page-hero .lead { font-size: 16px; }
  .hero-cta { flex-wrap: wrap; }
  .hero-cta .btn { width: 100%; }
  .scene-wrap { padding: 24px; }
  .scene-side-img { min-height: 200px; margin-top: 20px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 6px; }
}
@media (max-width: 575.98px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .brand-text { font-size: 17px; }
  .brand-icon { width: 36px; height: 36px; font-size: 17px; }
  .page-hero h1 { font-size: 24px; }
  .section-title { font-size: 24px; }
  .feature-card { padding: 26px 22px; }
  .stats-band .stat-num { font-size: 28px; }
}