/* roulang page: index */
:root {
            --primary: #0A3622;
            --primary-light: #0F5132;
            --primary-dark: #061A14;
            --accent: #10B981;
            --accent-glow: #34D399;
            --energy-orange: #EA580C;
            --text-main: #0F172A;
            --text-muted: #475569;
            --text-light: #94A3B8;
            --bg-light: #F8FAFC;
            --bg-white: #FFFFFF;
            --border-color: #E2E8F0;
            --card-shadow: 0 10px 30px -5px rgba(6, 26, 20, 0.08);
            --card-shadow-hover: 0 20px 40px -10px rgba(6, 26, 20, 0.16);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-white);
            line-height: 1.6;
            font-size: 15px;
            overflow-x: hidden;
        }

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

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

        button, input, textarea, select {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航体系 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(6, 26, 20, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .top-bar {
            background: rgba(0, 0, 0, 0.3);
            font-size: 12px;
            color: var(--text-light);
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .system-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent);
        }

        .nav-main {
            padding: 14px 0;
        }

        .nav-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .brand-logo {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-logo span {
            background: linear-gradient(135deg, var(--accent) 0%, #A7F3D0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 28px;
            list-style: none;
        }

        .nav-link {
            color: #E2E8F0;
            font-weight: 500;
            font-size: 14px;
            position: relative;
            padding: 6px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--accent);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        /* 按钮与徽章 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            font-size: 14px;
            line-height: 1.2;
            text-align: center;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
        }

        .btn-primary:hover {
            background: #059669;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
        }

        .btn-outline {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.3);
        }

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

        .btn-orange {
            background: var(--energy-orange);
            color: #FFFFFF;
        }

        .btn-orange:hover {
            background: #C2410C;
            transform: translateY(-2px);
        }

        .badge-live {
            background: rgba(234, 88, 12, 0.15);
            color: #FB923C;
            border: 1px solid rgba(234, 88, 12, 0.3);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            text-transform: uppercase;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 板块基础规范 */
        .section {
            padding: 85px 0;
            position: relative;
        }

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

        .section-bg-dark {
            background-color: var(--primary-dark);
            color: #FFFFFF;
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 55px auto;
        }

        .section-tag {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
            display: inline-block;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .section-bg-dark .section-header h2 {
            color: #FFFFFF;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }

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

        /* 1. Hero 沉浸大屏 */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(6, 26, 20, 0.94) 0%, rgba(10, 54, 34, 0.88) 100%), url('/assets/images/08a02516106467ee.jpg') center/cover no-repeat;
            color: #FFFFFF;
            padding: 100px 0 110px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 50px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 22px;
            letter-spacing: -1px;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.75;
            color: #CBD5E1;
            margin-bottom: 35px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 35px;
            flex-wrap: wrap;
        }

        .hero-trust {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--text-light);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
        }

        .hero-poster-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 14px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
            position: relative;
        }

        .hero-poster-card img {
            border-radius: var(--radius-md);
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .hero-floating-stat {
            position: absolute;
            bottom: -20px;
            left: -20px;
            background: #061A14;
            border: 1px solid var(--accent);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.4);
        }

        .floating-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .floating-label {
            font-size: 12px;
            color: #E2E8F0;
            line-height: 1.3;
        }

        /* 2. 卖点三连 */
        .features-trio {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .trio-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 35px 30px;
            transition: var(--transition);
            box-shadow: var(--card-shadow);
        }

        .trio-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--card-shadow-hover);
            border-color: var(--accent);
        }

        .trio-icon {
            width: 54px;
            height: 54px;
            background: rgba(16, 185, 129, 0.1);
            color: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 22px;
        }

        .trio-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary-dark);
        }

        .trio-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.65;
        }

        /* 3. 入口矩阵 (6卡片) */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .matrix-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
        }

        .matrix-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-shadow-hover);
            border-color: var(--accent);
        }

        .matrix-img-wrap {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .matrix-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .matrix-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary-light);
            margin-bottom: 8px;
        }

        .matrix-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .matrix-body p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 18px;
            flex: 1;
        }

        .matrix-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .matrix-link:hover {
            color: var(--accent);
        }

        /* 4. 最新发布与版本迭代 */
        .release-panel {
            background: linear-gradient(145deg, #FFFFFF 0%, #F1F5F9 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .release-info h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 14px;
        }

        .release-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .release-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .release-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-main);
        }

        .check-dot {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* 5. 热门专题与套件对比 */
        .tiers-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            align-items: stretch;
        }

        .tier-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px 30px;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
        }

        .tier-card.featured {
            border-color: var(--accent);
            box-shadow: 0 20px 40px -10px rgba(16, 185, 129, 0.2);
            transform: scale(1.03);
            z-index: 2;
        }

        .tier-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--energy-orange);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 20px;
        }

        .tier-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        .tier-target {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
            min-height: 40px;
        }

        .tier-features {
            list-style: none;
            margin-bottom: 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 14px;
            color: var(--text-main);
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
        }

        .tier-features li {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* 6. 深度战术与运动科技底座 (深色区) */
        .tech-bento {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 30px;
        }

        .bento-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 35px;
        }

        .bento-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #FFFFFF;
        }

        .bento-card p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .tech-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tech-pill {
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.25);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
        }

        /* 7. 资讯列表与战术研究精粹 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-shadow-hover);
        }

        .news-img {
            height: 190px;
            width: 100%;
            object-fit: cover;
        }

        .news-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .news-body p {
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        /* 8. 量化成效数据指标 */
        .metrics-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            text-align: center;
        }

        .metric-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 30px 20px;
        }

        .metric-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 10px;
            font-feature-settings: "tnum";
        }

        .metric-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
        }

        .metric-desc {
            font-size: 12px;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* 9. 实战口碑评价 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testi-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testi-stars {
            color: #F59E0B;
            font-size: 16px;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .testi-quote {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-main);
            margin-bottom: 24px;
            font-style: normal;
        }

        .testi-user {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
        }

        .user-meta h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .user-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 10. FAQ 常见疑问解答 */
        .faq-accordion {
            max-width: 850px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

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

        .faq-answer {
            padding: 0 24px 20px 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }

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

        .faq-icon {
            font-size: 18px;
            transition: transform 0.3s;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* 11. 安全与合规信任条 */
        .trust-bar {
            background: #F1F5F9;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 30px 0;
        }

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

        .trust-item h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .trust-item p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 12. 底部转化收口 */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
            color: #FFFFFF;
            text-align: center;
            padding: 75px 0;
        }

        .cta-box {
            max-width: 750px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .cta-box p {
            font-size: 16px;
            color: #CBD5E1;
            margin-bottom: 35px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            justify-content: center;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
        }

        .cta-input {
            flex: 1;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.95);
            font-size: 14px;
            color: var(--text-main);
        }

        /* 页脚规范 */
        .site-footer {
            background: #04100D;
            color: var(--text-light);
            padding: 70px 0 30px 0;
            font-size: 13px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand h3 {
            font-size: 20px;
            color: #FFFFFF;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 20px;
            color: var(--text-light);
        }

        .footer-links h4 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            color: #64748B;
            font-size: 12px;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .hero-grid, .release-panel, .tech-bento {
                grid-template-columns: 1fr;
            }
            .matrix-grid, .tiers-grid, .news-grid, .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-strip, .trust-grid, .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-card.featured {
                transform: none;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-menu {
                display: none; /* 移动端抽屉精简模式 */
            }
            .features-trio, .matrix-grid, .tiers-grid, .news-grid, .testimonials-grid, .metrics-strip, .trust-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .cta-form {
                flex-direction: column;
            }
            .hero-poster-card img {
                height: 260px;
            }
            .hero-floating-stat {
                position: static;
                margin-top: 15px;
            }
        }