/* roulang page: index */
:root {
            --primary: #6C5CE7;
            --primary-light: #8B7FF0;
            --secondary: #FF6B57;
            --bg: #F7F6FB;
            --dark: #201A3A;
            --success: #2ED573;
            --text: #2D2A4A;
            --text-light: #6E6A8A;
            --border: #E8E6F2;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 6px rgba(17, 12, 46, .04);
            --shadow-md: 0 12px 32px rgba(108, 92, 231, .10);
            --shadow-hover: 0 16px 40px rgba(108, 92, 231, .18);
            --gradient: linear-gradient(135deg, #6C5CE7 0%, #FF6B57 100%);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            background: var(--gradient);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: all .3s ease;
            box-shadow: var(--shadow-md);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-md);
            border: 1.5px solid rgba(255, 255, 255, .5);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            transition: all .3s ease;
            background: rgba(255, 255, 255, .06);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
        }
        .btn-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            transition: all .3s ease;
            box-shadow: var(--shadow-md);
        }
        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            padding: 18px 0;
            transition: all .3s ease;
        }
        .site-header.scrolled {
            background: #fff;
            box-shadow: var(--shadow-sm);
            padding: 10px 0;
        }
        .logo-text {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            line-height: 1.2;
            transition: color .3s;
        }
        .logo-sub {
            font-size: 11px;
            color: rgba(255, 255, 255, .75);
            letter-spacing: 2px;
            transition: color .3s;
        }
        .site-header.scrolled .logo-text {
            color: var(--text);
        }
        .site-header.scrolled .logo-sub {
            color: var(--text-light);
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, .85);
            padding: 8px 16px;
            border-radius: 8px;
            transition: all .3s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 2px;
            width: 0;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            transition: width .3s ease;
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 60%;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link.active {
            color: #fff;
            font-weight: 600;
        }
        .site-header.scrolled .nav-link {
            color: var(--text);
        }
        .site-header.scrolled .nav-link:hover,
        .site-header.scrolled .nav-link.active {
            color: var(--primary);
        }
        .header-cta {
            padding: 10px 22px;
            border-radius: var(--radius-md);
            background: var(--gradient);
            color: #fff !important;
            font-weight: 600;
            font-size: 14px;
            box-shadow: var(--shadow-sm);
            transition: all .3s;
        }
        .header-cta:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }

        /* 移动端菜单 */
        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            transition: background .3s;
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, .15);
        }
        .site-header.scrolled .mobile-menu-btn {
            color: var(--text);
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 60;
            transition: right .35s ease;
            box-shadow: -10px 0 40px rgba(0, 0, 0, .15);
            padding: 100px 30px 30px;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer a {
            display: block;
            padding: 14px 12px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text);
            border-radius: 10px;
            margin-bottom: 6px;
        }
        .mobile-drawer a:hover {
            background: var(--bg);
            color: var(--primary);
        }
        .mobile-drawer .btn-primary {
            margin-top: 20px;
            width: 100%;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .45);
            z-index: 55;
            opacity: 0;
            visibility: hidden;
            transition: all .3s;
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 720px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #6C5CE7 0%, #201A3A 100%);
            padding: 140px 0 90px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .3;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(32, 26, 58, .92) 0%, rgba(108, 92, 231, .35) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            font-size: 42px;
            line-height: 1.3;
            color: #fff;
            font-weight: 800;
            max-width: 680px;
            letter-spacing: -1px;
        }
        .hero h1 .highlight {
            color: var(--secondary);
        }
        .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, .8);
            margin-top: 18px;
            max-width: 460px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .hero-badges {
            display: flex;
            gap: 10px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .hero-badge {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .15);
            color: rgba(255, 255, 255, .9);
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual-inner {
            position: relative;
            width: 100%;
            max-width: 440px;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
            transform: rotate(1.5deg);
        }
        .hero-visual-inner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(32, 26, 58, .5));
        }
        .hero-visual-card {
            position: absolute;
            bottom: 18px;
            left: 18px;
            right: 18px;
            background: rgba(255, 255, 255, .9);
            backdrop-filter: blur(8px);
            border-radius: 14px;
            padding: 14px 18px;
            z-index: 3;
        }
        .hero-visual-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }
        .hero-visual-card strong {
            color: var(--text);
            font-size: 15px;
        }
        .hero-decor {
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 107, 87, .25) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
        }
        .hero-decor-1 {
            top: -60px;
            right: 10%;
        }
        .hero-decor-2 {
            bottom: -80px;
            left: 5%;
            background: radial-gradient(circle, rgba(46, 213, 115, .15) 0%, transparent 70%);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-title-wrap {
            margin-bottom: 48px;
            max-width: 640px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            letter-spacing: -.5px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-light);
            margin-top: 12px;
            line-height: 1.7;
        }
        .section-kicker {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(108, 92, 231, .08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        /* ===== 方案卡片 ===== */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .plan-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all .35s ease;
        }
        .plan-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .plan-card:nth-child(3) {
            transform: translateY(20px);
        }
        .plan-card:nth-child(3):hover {
            transform: translateY(14px);
        }
        .plan-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .plan-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .plan-card:hover .plan-cover img {
            transform: scale(1.04);
        }
        .plan-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(32, 26, 58, .35));
        }
        .plan-body {
            padding: 26px 28px 30px;
        }
        .plan-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .plan-body p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .plan-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            transition: gap .3s ease;
        }
        .plan-link:hover {
            gap: 12px;
            color: var(--secondary);
        }

        /* ===== 数据区 ===== */
        .stats-panel {
            background: linear-gradient(135deg, #201A3A 0%, #2D2155 100%);
            border-radius: 24px;
            padding: 56px 48px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
        }
        .stats-panel::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 92, 231, .25) 0%, transparent 70%);
            top: -100px;
            right: -80px;
            border-radius: 50%;
        }
        .stat-item {
            flex: 0 0 auto;
            min-width: 180px;
            text-align: center;
            padding: 24px 18px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, .12);
            background: rgba(255, 255, 255, .04);
            backdrop-filter: blur(4px);
            transition: all .3s ease;
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 44px;
            font-weight: 800;
            background: linear-gradient(135deg, #fff 0%, #A78BFA 50%, #FF6B57 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            margin-top: 8px;
        }

        /* ===== 最新信息 ===== */
        .latest-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .featured-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .35s ease;
            display: block;
            background: #fff;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-cover {
            height: 260px;
            overflow: hidden;
            position: relative;
        }
        .featured-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(32, 26, 58, .55));
        }
        .featured-cat {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 6px 14px;
            background: var(--secondary);
            border-radius: var(--radius-pill);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
        }
        .featured-title {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 24px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            z-index: 2;
            line-height: 1.4;
        }
        .featured-body {
            padding: 20px 24px 24px;
        }
        .featured-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .featured-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 12px;
            font-size: 13px;
            color: var(--text-light);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border);
            transition: all .3s ease;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
            border-color: var(--primary);
        }
        .news-item-cat {
            flex-shrink: 0;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(108, 92, 231, .1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
        }
        .news-item-info {
            flex: 1;
            min-width: 0;
        }
        .news-item-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-item-info p {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-item-time {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-light);
        }
        .empty-state {
            grid-column: 1 / -1;
            padding: 80px 20px;
            text-align: center;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
        }
        .empty-state .empty-icon {
            font-size: 48px;
            color: #C9C5E0;
            margin-bottom: 16px;
        }
        .empty-state p {
            font-size: 16px;
            color: var(--text-light);
        }

        /* ===== 平台特色 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 34px 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border);
            padding: 24px 28px;
            margin-bottom: 14px;
            transition: all .3s ease;
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(108, 92, 231, .08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--gradient);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
            top: -80px;
            left: -60px;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, .06);
            border-radius: 50%;
            bottom: -50px;
            right: -30px;
        }
        .cta-title {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
        }
        .cta-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            margin-top: 14px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            margin-top: 28px;
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1B1730;
            color: #A0A4C0;
            padding: 64px 0 24px;
            margin-top: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 44px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 24px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-top: 14px;
            color: rgba(255, 255, 255, .5);
            max-width: 260px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }
        .footer-links a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            transition: color .3s, padding-left .3s;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-contact {
            margin-top: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            line-height: 2;
        }
        .footer-contact i {
            width: 20px;
            color: rgba(255, 255, 255, .35);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
        }

        /* ===== 表单弹层 ===== */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .55);
            backdrop-filter: blur(6px);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: all .3s ease;
        }
        .modal-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .modal-box {
            background: #fff;
            border-radius: 20px;
            padding: 36px;
            width: 100%;
            max-width: 460px;
            box-shadow: 0 24px 80px rgba(0, 0, 0, .3);
            position: relative;
            transform: translateY(20px);
            transition: transform .3s ease;
        }
        .modal-overlay.open .modal-box {
            transform: translateY(0);
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all .3s;
        }
        .modal-close:hover {
            background: var(--secondary);
            color: #fff;
        }
        .modal-box h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .modal-box .modal-sub {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            height: 46px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            border: 1.5px solid #E2E0EE;
            background: var(--bg);
            font-size: 15px;
            color: var(--text);
            outline: none;
            transition: all .3s;
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, .15);
            background: #fff;
        }
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            border: 1.5px solid #E2E0EE;
            background: var(--bg);
            font-size: 15px;
            color: var(--text);
            outline: none;
            resize: vertical;
            transition: all .3s;
        }
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, .15);
            background: #fff;
        }
        .modal-privacy {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-light);
            margin-top: 14px;
        }
        .modal-privacy i {
            color: var(--success);
        }
        .submit-btn {
            width: 100%;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--gradient);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            transition: all .3s;
            margin-top: 8px;
        }
        .submit-btn:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 36px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .plan-card:nth-child(3) {
                transform: none;
            }
            .plan-card:nth-child(3):hover {
                transform: translateY(-6px);
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .hero {
                min-height: auto;
                padding: 120px 0 60px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-visual {
                margin-top: 40px;
            }
            .hero-visual-inner {
                max-width: 100%;
            }
            .plan-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .latest-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .stats-panel {
                padding: 40px 24px;
            }
            .stat-item {
                min-width: 140px;
                padding: 18px 12px;
            }
            .stat-number {
                font-size: 34px;
            }
            .cta-section {
                padding: 48px 24px;
            }
            .cta-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .desktop-menu {
                display: none !important;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .section-title {
                font-size: 26px;
            }
            .news-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .news-item-time {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
            }
            .plan-body {
                padding: 20px;
            }
            .stat-item {
                min-width: 45%;
            }
            .stat-number {
                font-size: 30px;
            }
            .cta-section {
                padding: 40px 20px;
            }
        }

/* roulang page: article */
:root {
            --primary: #6C5CE7;
            --primary-dark: #5A4BD1;
            --secondary: #FF6B57;
            --bg: #F7F6FB;
            --dark: #201A3A;
            --text: #2E2A4A;
            --text-light: #6B6883;
            --border: #ECEAF3;
            --success: #2ED573;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-1: 0 2px 6px rgba(17,12,46,.04);
            --shadow-2: 0 12px 32px rgba(108,92,231,.10);
            --shadow-hover: 0 16px 40px rgba(108,92,231,.18);
            --gradient: linear-gradient(135deg, #6C5CE7 0%, #FF6B57 100%);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }

        .site-header {
            position: fixed; top: 0; left: 0; right: 0;
            z-index: 50;
            padding: 16px 0;
            transition: all .35s ease;
            background: transparent;
        }
        .site-header.scrolled {
            background: rgba(255,255,255,.96);
            box-shadow: var(--shadow-1);
            padding: 12px 0;
            backdrop-filter: blur(12px);
        }
        .site-header .logo-text { font-size: 26px; font-weight: 800; color: #fff; transition: color .3s; }
        .site-header.scrolled .logo-text, .site-header.scrolled .logo-sub { color: var(--text) !important; }
        .logo-sub { font-size: 14px; color: rgba(255,255,255,.8); margin-left: 2px; letter-spacing: 1px; }
        .site-header.scrolled .logo-sub { color: var(--text-light); }
        .desktop-menu { display: flex; align-items: center; gap: 4px; }
        .nav-link {
            display: inline-flex; align-items: center;
            padding: 8px 18px;
            font-size: 15px; font-weight: 500;
            color: rgba(255,255,255,.9);
            border-radius: 999px;
            transition: all .3s ease;
        }
        .site-header.scrolled .nav-link { color: var(--text); }
        .nav-link:hover { background: rgba(255,255,255,.15); color: #fff; }
        .site-header.scrolled .nav-link:hover { background: rgba(108,92,231,.1); color: var(--primary); }
        .nav-link.active { background: rgba(255,255,255,.2); color: #fff; font-weight: 600; }
        .site-header.scrolled .nav-link.active { background: rgba(108,92,231,.12); color: var(--primary); }
        .header-cta {
            display: inline-flex; align-items: center; justify-content: center;
            min-height: 44px; padding: 0 24px;
            background: var(--gradient);
            color: #fff;
            font-size: 15px; font-weight: 600;
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(108,92,231,.28);
            transition: all .3s ease;
        }
        .header-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,107,87,.35); }
        .mobile-menu-btn { display: none; width: 44px; height: 44px; border: none; background: transparent; color: #fff; font-size: 20px; border-radius: 10px; }
        .site-header.scrolled .mobile-menu-btn { color: var(--text); }

        .drawer {
            position: fixed; top: 0; right: -320px; width: 300px; height: 100%;
            background: #fff; z-index: 100;
            transition: right .4s ease;
            padding: 32px 24px;
            box-shadow: -8px 0 30px rgba(17,12,46,.12);
        }
        .drawer.open { right: 0; }
        .drawer-overlay {
            position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 90;
            opacity: 0; visibility: hidden; transition: all .35s;
        }
        .drawer-overlay.show { opacity: 1; visibility: visible; }
        .drawer .nav-link { display: block; color: var(--text); padding: 12px 8px; font-size: 17px; border-bottom: 1px solid var(--border); border-radius: 0; }
        .drawer .nav-link:hover { background: rgba(108,92,231,.06); color: var(--primary); }
        .drawer .nav-link.active { color: var(--primary); font-weight: 700; background: rgba(108,92,231,.08); border-radius: 10px; }
        .drawer .drawer-cta { margin-top: 24px; display: flex; width: 100%; height: 48px; align-items: center; justify-content: center; }

        .article-hero {
            padding: 160px 0 60px;
            background: linear-gradient(180deg, #201A3A 0%, #2D2650 55%, var(--bg) 100%);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: ''; position: absolute; inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover; background-position: center;
            opacity: .15;
        }
        .article-hero::after {
            content: ''; position: absolute;
            width: 600px; height: 600px;
            background: radial-gradient(circle, rgba(255,107,87,.25) 0%, transparent 70%);
            top: -200px; right: -100px;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .breadcrumb { font-size: 14px; color: rgba(255,255,255,.55); margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
        .breadcrumb a { color: rgba(255,255,255,.7); transition: color .3s; }
        .breadcrumb a:hover { color: var(--secondary); }
        .article-hero h1 { font-size: 38px; line-height: 1.3; font-weight: 800; color: #fff; max-width: 760px; margin-bottom: 24px; letter-spacing: .5px; }

        .article-main { padding: 60px 0 40px; }
        .article-content-wrap { max-width: 820px; margin: 0 auto; }
        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-1);
            border: 1px solid rgba(255,255,255,.8);
        }
        .article-meta {
            display: flex; align-items: center; justify-content: space-between;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 32px;
            flex-wrap: wrap; gap: 12px;
        }
        .meta-left { display: flex; align-items: center; gap: 16px; font-size: 14px; color: var(--text-light); flex-wrap: wrap; }
        .meta-left i { margin-right: 4px; color: var(--primary); }
        .meta-tag {
            display: inline-flex; align-items: center;
            padding: 4px 14px;
            background: rgba(108,92,231,.1);
            color: var(--primary);
            font-size: 13px; font-weight: 600;
            border-radius: 999px;
        }
        .meta-tag i { margin-right: 5px; font-size: 12px; }

        .article-body { font-size: 16px; line-height: 1.85; color: #3D395A; }
        .article-body h2 { font-size: 26px; font-weight: 700; color: var(--text); margin: 40px 0 18px; line-height: 1.4; }
        .article-body h3 { font-size: 21px; font-weight: 600; color: var(--text); margin: 32px 0 14px; line-height: 1.4; }
        .article-body p { margin-bottom: 1.5em; }
        .article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
        .article-body img { border-radius: 14px; margin: 24px auto; box-shadow: var(--shadow-1); }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(108,92,231,.06);
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 28px 0;
            color: #4A4568;
        }
        .article-body ul, .article-body ol { margin: 0 0 1.5em 1.2em; }
        .article-body li { margin-bottom: 8px; }
        .article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; display: block; overflow-x: auto; }
        .article-body table th, .article-body table td { border: 1px solid var(--border); padding: 12px 16px; text-align: left; white-space: nowrap; }
        .article-body table th { background: rgba(108,92,231,.06); font-weight: 600; }

        .article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 36px 0 0; padding-top: 28px; border-top: 1px solid var(--border); }
        .tag {
            display: inline-flex; align-items: center;
            padding: 6px 16px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 13px; color: var(--text-light);
            transition: all .3s;
        }
        .tag:hover { border-color: var(--primary); color: var(--primary); }

        .article-pager { display: flex; gap: 16px; margin-top: 32px; }
        .pager-item {
            flex: 1;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 16px 20px;
            transition: all .3s;
        }
        .pager-item:hover { border-color: var(--primary); box-shadow: var(--shadow-1); transform: translateY(-2px); }
        .pager-label { font-size: 12px; color: var(--text-light); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
        .pager-title { font-size: 15px; font-weight: 600; color: var(--text); line-height: 1.5; }

        .empty-state { text-align: center; padding: 48px 24px; }
        .empty-state .icon { width: 72px; height: 72px; border-radius: 50%; background: var(--gradient); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 28px; margin-bottom: 16px; }
        .empty-state p { color: var(--text-light); font-size: 15px; margin-bottom: 20px; }
        .back-link {
            display: inline-flex; align-items: center; justify-content: center;
            min-height: 44px; padding: 0 28px;
            background: var(--gradient); color: #fff;
            font-size: 15px; font-weight: 600;
            border-radius: 12px;
            transition: all .3s;
        }
        .back-link:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }

        .guide-section { padding: 60px 0; }
        .section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; }
        .section-head h2 { font-size: 32px; font-weight: 800; color: var(--text); line-height: 1.3; }
        .section-head .sub { color: var(--text-light); font-size: 15px; }
        .guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .guide-card {
            display: flex; align-items: stretch;
            background: #fff; border-radius: var(--radius-lg);
            overflow: hidden; box-shadow: var(--shadow-1);
            border: 1px solid var(--border);
            transition: all .35s;
        }
        .guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .guide-card .thumb { width: 42%; min-height: 200px; overflow: hidden; background: var(--gradient); }
        .guide-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
        .guide-card:hover .thumb img { transform: scale(1.05); }
        .guide-card .body { flex: 1; padding: 28px; display: flex; flex-direction: column; justify-content: center; }
        .guide-card .body .tag { align-self: flex-start; margin-bottom: 12px; }
        .guide-card .body h3 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 10px; line-height: 1.4; }
        .guide-card .body p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
        .guide-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: gap .3s; }
        .guide-link:hover { gap: 10px; }

        .related-section { padding: 60px 0 80px; background: var(--bg); }
        .related-grid { display: flex; gap: 24px; }
        .related-card {
            flex: 1; background: #fff; border-radius: var(--radius-lg);
            overflow: hidden; box-shadow: var(--shadow-1);
            border: 1px solid var(--border);
            transition: all .35s;
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .related-card .thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--gradient); }
        .related-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
        .related-card:hover .thumb img { transform: scale(1.05); }
        .related-card .info { padding: 20px 22px 24px; }
        .related-card .info h3 { font-size: 17px; font-weight: 700; line-height: 1.4; margin-bottom: 10px; color: var(--text); }
        .related-card .info .meta { font-size: 13px; color: var(--text-light); display: flex; align-items: center; gap: 12px; }

        .cta-section { padding: 70px 0; background: var(--gradient); position: relative; overflow: hidden; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png'); opacity: .08; }
        .cta-box { display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; z-index: 2; }
        .cta-box h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 10px; }
        .cta-box p { color: rgba(255,255,255,.85); font-size: 15px; max-width: 480px; }
        .cta-btn {
            display: inline-flex; align-items: center; justify-content: center;
            min-height: 52px; padding: 0 36px;
            background: #fff; color: var(--primary);
            font-size: 16px; font-weight: 700;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0,0,0,.12);
            transition: all .3s;
            white-space: nowrap;
        }
        .cta-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,.18); }

        .site-footer { background: #1B1730; color: rgba(255,255,255,.6); padding: 70px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
        .footer-brand .logo-text { font-size: 28px; color: #fff; }
        .footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; color: rgba(255,255,255,.5); }
        .footer-title { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 18px; }
        .footer-links { display: flex; flex-direction: column; gap: 10px; }
        .footer-links a { font-size: 14px; color: rgba(255,255,255,.5); transition: all .3s; }
        .footer-links a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-contact { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
        .footer-contact i { margin-right: 8px; color: var(--secondary); }
        .footer-bottom {
            padding: 22px 0;
            border-top: 1px solid rgba(255,255,255,.08);
            display: flex; align-items: center; justify-content: space-between;
            font-size: 13px; color: rgba(255,255,255,.4);
            flex-wrap: wrap; gap: 10px;
        }

        .modal-overlay {
            position: fixed; inset: 0; z-index: 200;
            background: rgba(0,0,0,.6);
            backdrop-filter: blur(6px);
            display: flex; align-items: center; justify-content: center;
            opacity: 0; visibility: hidden; transition: all .35s;
            padding: 20px;
        }
        .modal-overlay.show { opacity: 1; visibility: visible; }
        .modal-box {
            background: #fff; border-radius: 20px; padding: 40px;
            max-width: 440px; width: 100%;
            transform: translateY(20px) scale(.95);
            transition: all .35s;
            position: relative;
        }
        .modal-overlay.show .modal-box { transform: translateY(0) scale(1); }
        .modal-close {
            position: absolute; top: 14px; right: 14px;
            width: 40px; height: 40px;
            border: none; background: var(--bg);
            color: var(--text-light); border-radius: 50%;
            font-size: 16px;
            transition: all .3s;
        }
        .modal-close:hover { background: var(--secondary); color: #fff; }
        .modal-box h3 { font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
        .modal-box .sub { font-size: 14px; color: var(--text-light); margin-bottom: 28px; }
        .form-group { margin-bottom: 16px; }
        .form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
        .form-group input, .form-group select {
            width: 100%; height: 46px;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 0 14px;
            font-size: 14px; color: var(--text);
            transition: all .3s;
            background: #fff;
        }
        .form-group input:focus, .form-group select:focus {
            outline: none; border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108,92,231,.15);
        }
        .submit-btn {
            width: 100%; height: 48px;
            background: var(--gradient); color: #fff;
            font-size: 15px; font-weight: 700;
            border: none; border-radius: 12px;
            margin-top: 8px;
            transition: all .3s;
            box-shadow: 0 6px 20px rgba(108,92,231,.25);
        }
        .submit-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(108,92,231,.35); }
        .privacy-note { font-size: 12px; color: var(--text-light); margin-top: 16px; display: flex; align-items: center; justify-content: center; gap: 6px; }

        @media (max-width: 1024px) {
            .desktop-menu { display: none; }
            .mobile-menu-btn { display: inline-flex; align-items: center; justify-content: center; }
            .related-grid { flex-wrap: wrap; }
            .related-card { flex: 1 1 45%; }
            .guide-card .thumb { width: 38%; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
            .article-hero { padding: 130px 0 48px; }
            .article-hero h1 { font-size: 28px; }
            .article-card { padding: 24px; }
            .article-meta { flex-direction: column; align-items: flex-start; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .cta-box { flex-direction: column; text-align: center; }
            .cta-box p { margin: 0 auto; }
            .article-pager { flex-direction: column; }
            .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
            .guide-grid { grid-template-columns: 1fr; }
            .guide-card .thumb { width: 100%; min-height: 180px; }
            .guide-card { flex-direction: column; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
            .related-card { flex: 1 1 100%; }
            .header-cta { display: none; }
            .article-card { padding: 20px; }
            .article-hero h1 { font-size: 24px; }
            .cta-box h2 { font-size: 26px; }
        }

/* roulang page: category1 */
:root {
            --primary: #6C5CE7;
            --secondary: #FF6B57;
            --darkblue: #201A3A;
            --success: #2ED573;
            --bglight: #F7F6FB;
            --text: #2A2545;
            --text-light: #6F6B8E;
            --border: #E8E6F2;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 6px rgba(17, 12, 46, .04);
            --shadow-lg: 0 12px 32px rgba(108, 92, 231, .10);
            --gradient: linear-gradient(135deg, #6C5CE7 0%, #FF6B57 100%);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            background: var(--bglight);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 14px;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container {
            max-width: 1280px !important;
            margin: 0 auto !important;
            padding: 0 24px !important;
        }
        @media (max-width:768px) {
            .container {
                padding: 0 16px !important;
            }
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            padding: 18px 0;
            transition: all .3s ease;
            background: transparent;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-sm);
            padding: 10px 0;
        }
        .logo-text {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1;
        }
        .logo-sub {
            font-size: 12px;
            color: rgba(255, 255, 255, .7);
            margin-left: 8px;
            padding-left: 8px;
            border-left: 1px solid rgba(255, 255, 255, .3);
            white-space: nowrap;
        }
        .site-header.scrolled .logo-text {
            color: var(--text);
        }
        .site-header.scrolled .logo-sub {
            color: var(--text-light);
            border-left-color: var(--border);
        }
        .desktop-menu {
            gap: 4px;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, .85);
            transition: all .2s;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
        }
        .nav-link.active {
            background: rgba(255, 255, 255, .18);
            color: #fff;
            font-weight: 600;
        }
        .site-header.scrolled .nav-link {
            color: var(--text);
        }
        .site-header.scrolled .nav-link:hover {
            background: rgba(108, 92, 231, .08);
            color: var(--primary);
        }
        .site-header.scrolled .nav-link.active {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 4px 12px rgba(108, 92, 231, .3);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--gradient);
            color: #fff;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(108, 92, 231, .25);
            transition: all .25s;
            white-space: nowrap;
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(108, 92, 231, .35);
        }
        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .25);
        }
        .site-header.scrolled .mobile-menu-btn {
            color: var(--text);
            border-color: var(--border);
        }
        @media (max-width:768px) {
            .desktop-menu {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            inset: 0;
            z-index: 60;
            background: rgba(32, 26, 58, .5);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s;
        }
        .mobile-drawer.open {
            opacity: 1;
            pointer-events: auto;
        }
        .drawer-panel {
            position: absolute;
            top: 0;
            right: 0;
            width: 82%;
            max-width: 340px;
            height: 100%;
            background: #fff;
            padding: 28px 20px;
            transform: translateX(100%);
            transition: transform .3s ease;
        }
        .mobile-drawer.open .drawer-panel {
            transform: translateX(0);
        }
        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bglight);
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .drawer-link {
            display: block;
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: all .2s;
        }
        .drawer-link:hover {
            background: var(--bglight);
            color: var(--primary);
        }
        .drawer-link.active {
            background: var(--gradient);
            color: #fff;
        }
        .drawer-cta {
            display: block;
            text-align: center;
            background: var(--gradient);
            color: #fff;
            padding: 12px 20px;
            border-radius: 999px;
            margin-top: 16px;
            font-weight: 600;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(32, 26, 58, .88), rgba(108, 92, 231, .72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            padding: 120px 0 60px;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(circle at 20% 20%, rgba(255, 107, 87, .2), transparent 50%), radial-gradient(circle at 80% 70%, rgba(46, 213, 115, .15), transparent 40%);
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 1;
            background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
            background-size: 48px 48px;
        }
        .hero-banner .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 22px;
        }
        .hero-title {
            font-size: 40px;
            line-height: 1.3;
            font-weight: 800;
            max-width: 720px;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .hero-title .highlight {
            color: var(--secondary);
        }
        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, .85);
            max-width: 500px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient);
            color: #fff;
            padding: 14px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 6px 20px rgba(108, 92, 231, .35);
            transition: all .25s;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(108, 92, 231, .45);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, .4);
            color: #fff;
            padding: 14px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            transition: all .25s;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }
        .hero-trust {
            display: flex;
            gap: 12px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .trust-badge {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .15);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            color: rgba(255, 255, 255, .8);
        }
        @media (max-width:768px) {
            .hero-banner {
                min-height: 600px;
                padding: 100px 0 40px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
                text-align: center;
            }
        }

        /* Sections */
        .section {
            padding: 80px 0;
        }
        @media (max-width:768px) {
            .section {
                padding: 60px 0;
            }
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            max-width: 640px;
        }
        @media (max-width:768px) {
            .section-title {
                font-size: 26px;
            }
        }

        /* Intro */
        .intro-box {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
            max-width: 860px;
        }
        .intro-box p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.9;
        }
        @media (max-width:768px) {
            .intro-box {
                padding: 24px 22px;
            }
        }

        /* Hot News */
        .hot-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 28px;
        }
        @media (max-width:1024px) {
            .hot-grid {
                grid-template-columns: 1fr;
            }
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .3s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .feature-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }
        .feature-card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-body {
            padding: 24px 28px;
        }
        .card-tag {
            display: inline-block;
            background: rgba(108, 92, 231, .1);
            color: var(--primary);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 600;
        }
        .card-title {
            font-size: 20px;
            font-weight: 700;
            margin: 12px 0 8px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-light);
        }
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .list-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            transition: all .25s;
        }
        .list-card:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(108, 92, 231, .3);
        }
        .list-card .card-title {
            font-size: 16px;
            margin-bottom: 4px;
        }
        .list-card .card-desc {
            font-size: 13px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Features */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: start;
        }
        .features-grid .feature-item:nth-child(2) {
            margin-top: 40px;
        }
        .features-grid .feature-item:nth-child(4) {
            grid-column: 1 / -1;
            display: flex;
            align-items: center;
            gap: 24px;
            margin-top: 0;
        }
        .features-grid .feature-item:nth-child(4) .feature-icon {
            margin-bottom: 0;
            flex-shrink: 0;
        }
        .feature-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: all .3s;
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            margin-bottom: 20px;
        }
        .feature-item h3 {
            font-size: 20px;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .feature-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        @media (max-width:1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid .feature-item:nth-child(2) {
                margin-top: 0;
            }
            .features-grid .feature-item:nth-child(4) {
                grid-column: span 2;
            }
        }
        @media (max-width:768px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .features-grid .feature-item:nth-child(4) {
                grid-column: span 1;
                flex-direction: column;
                text-align: center;
            }
            .features-grid .feature-item:nth-child(4) .feature-icon {
                margin-bottom: 16px;
            }
        }

        /* Stats */
        .stats-panel {
            background: linear-gradient(135deg, #201A3A, #2D2650);
            border-radius: 24px;
            padding: 60px 50px;
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: space-between;
        }
        .stat-item {
            flex: 1 1 200px;
            min-width: 180px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 16px;
            padding: 28px 24px;
            text-align: center;
            transition: all .3s;
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 48px;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 8px;
        }
        @media (max-width:768px) {
            .stats-panel {
                padding: 40px 24px;
            }
            .stat-number {
                font-size: 36px;
            }
            .stat-item {
                min-width: 140px;
                flex: 1 1 45%;
            }
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .step-item {
            position: relative;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all .3s;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }
        .step-item h3 {
            font-size: 18px;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        @media (max-width:1024px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width:768px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 0 24px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 4px 18px rgba(108, 92, 231, .08);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            user-select: none;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bglight);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s, background .3s;
            color: var(--primary);
            flex-shrink: 0;
            font-size: 13px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-answer .inner {
            padding-bottom: 20px;
        }

        /* CTA */
        .cta-panel {
            background: var(--gradient);
            border-radius: 24px;
            padding: 60px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .1);
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
        }
        .cta-panel>* {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-desc {
            font-size: 15px;
            opacity: .85;
        }
        .btn-white {
            display: inline-block;
            background: #fff;
            color: var(--primary);
            padding: 14px 32px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
            transition: all .25s;
            white-space: nowrap;
        }
        .btn-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .2);
        }
        @media (max-width:768px) {
            .cta-panel {
                padding: 40px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-title {
                font-size: 24px;
            }
        }

        /* Modal */
        .modal-mask {
            position: fixed;
            inset: 0;
            z-index: 70;
            background: rgba(0, 0, 0, .6);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s;
            padding: 16px;
        }
        .modal-mask.open {
            opacity: 1;
            pointer-events: auto;
        }
        .modal-wrap {
            position: relative;
            width: 92%;
            max-width: 460px;
            background: #fff;
            border-radius: 20px;
            padding: 32px;
            transform: translateY(20px);
            transition: transform .3s;
            max-height: 90vh;
            overflow-y: auto;
        }
        .modal-mask.open .modal-wrap {
            transform: translateY(0);
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bglight);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text);
            font-size: 16px;
            transition: background .2s;
        }
        .modal-close:hover {
            background: var(--border);
        }
        .modal-title {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .modal-sub {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 22px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }
        .form-control {
            width: 100%;
            height: 46px;
            border: 1px solid #E2E0EE;
            border-radius: 10px;
            padding: 0 14px;
            font-size: 14px;
            background: #fff;
            outline: none;
            transition: border-color .2s, box-shadow .2s;
            color: var(--text);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, .15);
        }
        textarea.form-control {
            height: auto;
            padding: 12px 14px;
            resize: vertical;
        }
        .btn-block {
            width: 100%;
            background: var(--gradient);
            color: #fff;
            border-radius: 10px;
            padding: 14px;
            font-size: 15px;
            font-weight: 700;
            transition: transform .2s, box-shadow .2s;
        }
        .btn-block:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(108, 92, 231, .3);
        }
        .privacy-tip {
            font-size: 11px;
            color: var(--text-light);
            margin-top: 14px;
            text-align: center;
            line-height: 1.6;
        }
        .form-success {
            text-align: center;
            padding: 36px 0 20px;
        }
        .form-success i {
            font-size: 44px;
            color: var(--success);
        }
        .form-success p {
            margin-top: 12px;
            font-weight: 600;
            font-size: 16px;
        }

        /* Footer */
        .site-footer {
            background: #1B1730;
            color: rgba(255, 255, 255, .6);
            padding: 60px 0 0;
        }
        .site-footer .logo-text {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            color: rgba(255, 255, 255, .55);
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 13px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .6);
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        .footer-contact {
            font-size: 13px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 16px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-contact i {
            margin-right: 6px;
            width: 14px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        @media (max-width:1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #6C5CE7;
            --secondary: #FF6B57;
            --bg: #F7F6FB;
            --dark: #201A3A;
            --success: #2ED573;
            --text: #2D2B3A;
            --muted: #6E6A7C;
            --border: #E6E4F0;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 6px rgba(17,12,46,.04);
            --shadow-lg: 0 12px 32px rgba(108,92,231,.10);
            --gradient: linear-gradient(135deg, #6C5CE7 0%, #FF6B57 100%);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid rgba(230, 228, 240, .6);
        }
        .site-header .container {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo-text {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .logo-text span {
            color: var(--secondary);
        }
        .logo-sub {
            font-size: 13px;
            color: var(--muted);
            margin-left: 4px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .desktop-menu {
            display: flex;
            gap: 4px;
            align-items: center;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: 999px;
            color: var(--text);
            font-weight: 500;
            font-size: 15px;
            transition: all .2s;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(108, 92, 231, .08);
        }
        .nav-link.active {
            color: #fff;
            background: var(--primary);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            background: var(--gradient);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            transition: all .2s;
            box-shadow: var(--shadow-sm);
        }
        .header-cta:hover {
            opacity: .92;
            transform: translateY(-1px);
            color: #fff;
            box-shadow: var(--shadow-lg);
        }
        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            border: none;
            background: transparent;
            color: var(--text);
            font-size: 22px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background .2s;
        }
        .mobile-menu-btn:hover {
            background: rgba(108, 92, 231, .08);
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: #fff;
            z-index: 150;
            padding: 24px;
            transform: translateX(-100%);
            transition: transform .3s ease;
            box-shadow: var(--shadow-lg);
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .drawer-close {
            width: 40px;
            height: 40px;
            border: none;
            background: rgba(0, 0, 0, .05);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: var(--text);
            transition: background .2s;
        }
        .drawer-close:hover {
            background: rgba(255, 107, 87, .12);
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .drawer-nav .nav-link {
            padding: 12px 16px;
            font-size: 16px;
            border-radius: var(--radius-sm);
        }
        .drawer-cta {
            justify-content: center;
        }
        body.drawer-open {
            overflow: hidden;
        }
        main {
            padding-top: 72px;
        }
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #201A3A 0%, #3B2E6B 50%, #6C5CE7 100%);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .22;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(255, 107, 87, .18);
            filter: blur(80px);
            z-index: 0;
        }
        .hero-inner {
            display: flex;
            align-items: center;
            gap: 60px;
            padding: 84px 24px 96px;
            position: relative;
            z-index: 1;
        }
        .hero-copy {
            flex: 1.15;
            max-width: 640px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .14);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .5px;
            border: 1px solid rgba(255, 255, 255, .16);
        }
        .hero-copy h1 {
            font-size: 40px;
            line-height: 1.3;
            color: #fff;
            margin: 16px 0 14px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .hero-copy p {
            color: rgba(255, 255, 255, .82);
            font-size: 17px;
            max-width: 520px;
            margin: 0;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--gradient);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            border: none;
            transition: all .2s;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            color: #fff;
            opacity: .92;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background: rgba(255, 255, 255, .16);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, .28);
            transition: all .2s;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .26);
            color: #fff;
        }
        .hero-media {
            flex: 0.9;
            position: relative;
        }
        .hero-media img {
            width: 100%;
            max-height: 380px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 50px rgba(0, 0, 0, .28);
            border: 2px solid rgba(255, 255, 255, .12);
        }
        .section {
            padding: 80px 24px;
        }
        .intro-section {
            background: #fff;
            padding: 44px 24px;
        }
        .intro-wrap {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 10px;
            letter-spacing: -0.3px;
        }
        .section-head p {
            color: var(--muted);
            font-size: 16px;
            margin: 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            flex-direction: column;
            transition: all .3s;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            color: #fff;
            font-size: 22px;
            margin-bottom: 18px;
            box-shadow: var(--shadow-sm);
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }
        .feature-card p {
            color: var(--muted);
            font-size: 15px;
            margin: 0;
            flex: 1;
            line-height: 1.7;
        }
        .feature-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 18px;
            transition: gap .2s;
        }
        .feature-link:hover {
            gap: 10px;
            color: var(--primary);
        }
        .alt-bg {
            background: #EFEFF8;
        }
        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .content-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border);
            transition: all .3s;
        }
        .content-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .content-thumb {
            width: 130px;
            height: 96px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
        }
        .content-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .content-info {
            flex: 1;
        }
        .tag {
            font-size: 12px;
            color: var(--primary);
            background: rgba(108, 92, 231, .08);
            padding: 4px 10px;
            border-radius: 999px;
            display: inline-block;
            font-weight: 600;
        }
        .content-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 8px 0 4px;
            line-height: 1.4;
        }
        .content-info p {
            color: var(--muted);
            font-size: 14px;
            margin: 0;
            line-height: 1.6;
        }
        .content-meta {
            font-size: 12px;
            color: #9A96A8;
            margin-top: 8px;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-card {
            position: relative;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 20px 24px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all .3s;
        }
        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .step-card::before {
            counter-increment: step;
            content: "0" counter(step);
            position: absolute;
            top: 12px;
            left: 14px;
            font-size: 34px;
            font-weight: 800;
            color: rgba(108, 92, 231, .12);
            line-height: 1;
        }
        .step-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            border-radius: var(--radius-md);
            background: rgba(108, 92, 231, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }
        .step-card p {
            color: var(--muted);
            font-size: 14px;
            margin: 0;
            line-height: 1.6;
        }
        .faq-section {
            background: #fff;
        }
        .faq-wrap {
            max-width: 768px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .2s, background .2s;
        }
        .faq-item.open {
            border-color: var(--primary);
            background: #fff;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            user-select: none;
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(108, 92, 231, .1);
            color: var(--primary);
            border-radius: 50%;
            font-size: 14px;
            transition: transform .2s;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 20px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 20px 20px;
        }
        .cta-section {
            background: var(--gradient);
            padding: 80px 24px;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 30px;
            margin: 0 0 10px;
            font-weight: 800;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .88);
            font-size: 16px;
            margin: 0;
        }
        .btn-light {
            display: inline-flex;
            align-items: center;
            padding: 14px 36px;
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 8px 24px rgba(32, 26, 58, .12);
            transition: all .2s;
            white-space: nowrap;
        }
        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, .16);
            color: var(--primary);
        }
        .site-footer {
            background: #1B1730;
            color: rgba(255, 255, 255, .65);
            padding: 60px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            margin-top: 12px;
            color: rgba(255, 255, 255, .5);
            max-width: 280px;
            line-height: 1.7;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact {
            margin-top: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, .6);
            backdrop-filter: blur(4px);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 200;
            padding: 20px;
        }
        .modal-overlay.show {
            display: flex;
        }
        .modal-card {
            position: relative;
            background: #fff;
            border-radius: 20px;
            padding: 32px;
            max-width: 440px;
            width: 100%;
            box-shadow: 0 24px 60px rgba(0, 0, 0, .24);
        }
        .modal-close {
            position: absolute;
            top: 14px;
            right: 14px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: none;
            background: rgba(0, 0, 0, .06);
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .2s;
        }
        .modal-close:hover {
            background: rgba(255, 107, 87, .15);
        }
        .modal-card h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 6px;
        }
        .modal-desc {
            font-size: 14px;
            color: var(--muted);
            margin: 0 0 20px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            height: 48px;
            border-radius: 10px;
            border: 1px solid #E2E0EE;
            padding: 0 14px;
            font-size: 15px;
            background: #fff;
            transition: border .2s, box-shadow .2s;
            outline: none;
            color: var(--text);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, .2);
        }
        .submit-btn {
            width: 100%;
            margin-top: 8px;
            justify-content: center;
        }
        .privacy-note {
            font-size: 12px;
            color: var(--muted);
            text-align: center;
            margin-top: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }
        .privacy-note i {
            font-size: 13px;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(108, 92, 231, .5);
            outline-offset: 2px;
        }
        #guide {
            scroll-margin-top: 80px;
        }
        @media (max-width: 1024px) {
            .desktop-menu {
                display: none;
            }
            .mobile-menu-btn {
                display: inline-flex;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .site-header .container {
                padding: 0 16px;
            }
            .hero-inner {
                flex-direction: column;
                gap: 32px;
                padding: 60px 16px 72px;
            }
            .hero-copy h1 {
                font-size: 32px;
            }
            .hero-copy p {
                font-size: 16px;
            }
            .hero-media img {
                max-height: 260px;
                width: 100%;
                object-fit: cover;
            }
            .section {
                padding: 64px 16px;
            }
            .intro-section {
                padding: 36px 16px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 64px 16px;
            }
        }
        @media (max-width: 520px) {
            .logo-sub {
                display: none;
            }
            .header-cta {
                padding: 10px 16px;
                font-size: 14px;
            }
            .feature-grid,
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .content-item {
                flex-direction: column;
            }
            .content-thumb {
                width: 100%;
                height: 140px;
            }
            .modal-card {
                padding: 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .btn-light {
                width: 100%;
                justify-content: center;
            }
        }