/* roulang page: index */
:root {
            --bg-base: #0B0E14;
            --bg-card: #121721;
            --bg-card-hover: #161D2B;
            --bg-darker: #07090D;
            --border-color: #1E2638;
            --border-highlight: #2A364F;
            --accent-cyan: #00F2FE;
            --accent-cyan-rgb: 0, 242, 254;
            --accent-cyan-glow: rgba(0, 242, 254, 0.2);
            --accent-orange: #FF5E3A;
            --accent-orange-glow: rgba(255, 94, 58, 0.25);
            --accent-green: #10B981;
            --text-main: #F0F4F8;
            --text-muted: #94A3B8;
            --text-dim: #64748B;
            --sidebar-width: 260px;
            --topbar-height: 60px;
            --font-mono: 'Roboto Mono', Consolas, 'SF Mono', monospace;
            --radius-card: 10px;
            --radius-btn: 30px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        ::selection {
            background: var(--accent-cyan);
            color: #000;
        }

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

        /* 滚动条美化 */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-base);
        }
        ::-webkit-scrollbar-thumb {
            background: #1E2638;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-cyan);
        }

        /* 左侧 App Shell 侧边栏架构 */
        @media (min-width: 992px) {
            .app-sidebar {
                position: fixed;
                top: 0;
                left: 0;
                width: var(--sidebar-width);
                height: 100vh;
                overflow-y: auto;
                background-color: #0e121a;
                border-right: 1px solid var(--border-color);
                z-index: 1030;
                display: flex;
                flex-direction: column;
            }
            .app-main-wrapper {
                margin-left: var(--sidebar-width);
            }
            .mobile-topbar {
                display: none !important;
            }
        }

        @media (max-width: 991.98px) {
            .app-sidebar {
                display: none;
            }
            .app-main-wrapper {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .mobile-topbar {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                height: var(--topbar-height);
                background-color: rgba(11, 14, 20, 0.95);
                backdrop-filter: blur(12px);
                border-bottom: 1px solid var(--border-color);
                z-index: 1020;
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 0 1.25rem;
            }
        }

        /* 侧边栏内部元素 */
        .sidebar-brand {
            padding: 1.5rem 1.25rem;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-cyan), #0072ff);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #000;
            font-size: 1.1rem;
            box-shadow: 0 0 15px var(--accent-cyan-glow);
        }
        .brand-text {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #ffffff;
        }

        .sidebar-nav {
            list-style: none;
            padding: 1rem 0.75rem;
            margin: 0;
            flex: 1;
        }
        .sidebar-nav li {
            margin-bottom: 4px;
        }
        .sidebar-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: 8px;
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
        }
        .sidebar-link:hover,
        .sidebar-link:focus {
            color: var(--accent-cyan);
            background-color: rgba(0, 242, 254, 0.08);
            border-left: 3px solid var(--accent-cyan);
            padding-left: 11px;
        }
        .sidebar-link i {
            width: 18px;
            text-align: center;
            font-size: 0.95rem;
        }

        .sidebar-status-box {
            padding: 1.25rem;
            border-top: 1px solid var(--border-color);
            background: rgba(18, 23, 33, 0.5);
        }
        .status-pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent-green);
            display: inline-block;
            box-shadow: 0 0 8px var(--accent-green);
            animation: pulse-green 2s infinite;
        }
        @keyframes pulse-green {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        /* 抽屉样式调整 */
        .offcanvas-esports {
            background-color: #0e121a;
            border-right: 1px solid var(--border-color);
            color: var(--text-main);
        }

        /* 通用板块与排版 */
        .section-block {
            padding: 5rem 0;
            position: relative;
        }
        .section-block-alt {
            background-color: #0d1119;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-cyan);
            background: rgba(0, 242, 254, 0.1);
            border: 1px solid rgba(0, 242, 254, 0.25);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 1rem;
            font-family: var(--font-mono);
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 2.5rem;
        }

        /* 按钮系统 */
        .btn-cyan {
            background-color: var(--accent-cyan);
            color: #061019;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 10px 26px;
            border: 1px solid var(--accent-cyan);
            box-shadow: 0 4px 18px var(--accent-cyan-glow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cyan:hover {
            background-color: #38f5ff;
            color: #000;
            box-shadow: 0 6px 24px rgba(0, 242, 254, 0.4);
            transform: translateY(-2px);
        }
        .btn-tactical {
            background-color: var(--accent-orange);
            color: #ffffff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 10px 26px;
            border: 1px solid var(--accent-orange);
            box-shadow: 0 4px 18px var(--accent-orange-glow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-tactical:hover {
            background-color: #ff7454;
            color: #ffffff;
            box-shadow: 0 6px 24px rgba(255, 94, 58, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline-cyber {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-highlight);
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 500;
        }
        .btn-outline-cyber:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        /* 卡片基础 */
        .esports-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 1.8rem;
            height: 100%;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            position: relative;
            overflow: hidden;
        }
        .esports-card:hover {
            transform: translateY(-4px);
            background-color: var(--bg-card-hover);
            border-color: rgba(0, 242, 254, 0.4);
            box-shadow: 0 12px 30px rgba(0, 242, 254, 0.12);
        }

        /* 终端仿真代码块 */
        .code-terminal {
            background: #090C12;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            font-family: var(--font-mono);
        }
        .terminal-header {
            background: #121722;
            padding: 10px 16px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .terminal-dots {
            display: flex;
            gap: 6px;
        }
        .terminal-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .terminal-dot.red { background: #ff5f56; }
        .terminal-dot.yellow { background: #ffbd2e; }
        .terminal-dot.green { background: #27c93f; }
        .terminal-body {
            padding: 1.25rem;
            font-size: 0.85rem;
            color: #d1d5db;
            line-height: 1.6;
            max-height: 380px;
            overflow-y: auto;
        }
        .t-key { color: var(--accent-cyan); }
        .t-str { color: #86efac; }
        .t-num { color: #f59e0b; }
        .t-bool { color: #ec4899; }
        .t-comment { color: #64748b; }

        /* Hero 区域 */
        .hero-section {
            padding: 5rem 0 4.5rem;
            position: relative;
            background: radial-gradient(circle at 85% 20%, rgba(0, 242, 254, 0.08) 0%, transparent 60%),
                        linear-gradient(180deg, #0B0E14 0%, #0d121c 100%);
        }
        .hero-metric-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 242, 254, 0.07);
            border: 1px solid rgba(0, 242, 254, 0.25);
            padding: 6px 14px;
            border-radius: 20px;
            color: var(--accent-cyan);
            font-size: 0.82rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            font-family: var(--font-mono);
        }

        /* 痛点对比卡片 */
        .pain-card {
            border-left: 3px solid #ff4757;
            background: linear-gradient(180deg, rgba(255, 71, 87, 0.05) 0%, var(--bg-card) 100%);
        }
        .pain-card .pain-icon {
            font-size: 1.8rem;
            color: #ff4757;
            margin-bottom: 1rem;
        }

        /* 核心优势网格 */
        .tech-feature-card {
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            border-radius: 8px;
            padding: 1.5rem;
            transition: all 0.25s ease;
        }
        .tech-feature-card:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 242, 254, 0.03);
        }
        .feature-icon-wrapper {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            background: rgba(0, 242, 254, 0.1);
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }

        /* 矩阵卡片 */
        .product-matrix-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 2rem;
            position: relative;
        }
        .product-matrix-card.featured {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 25px rgba(0, 242, 254, 0.15);
        }
        .matrix-badge {
            position: absolute;
            top: 1.25rem;
            right: 1.25rem;
            font-size: 0.72rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
        }

        /* 实施步骤流水线 */
        .pipeline-step {
            position: relative;
            padding: 1.5rem;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
        }
        .step-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            font-family: var(--font-mono);
            line-height: 1;
            margin-bottom: 0.75rem;
        }

        /* 关键指标条 */
        .metric-counter-banner {
            background: linear-gradient(90deg, #101622 0%, #161F30 50%, #101622 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 3rem 0;
        }
        .metric-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-cyan);
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
            margin-bottom: 0.25rem;
        }
        .metric-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* 套餐对比与阶梯 */
        .plan-table-wrapper {
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            background: var(--bg-card);
        }
        .table-cyber {
            margin-bottom: 0;
            color: var(--text-main);
        }
        .table-cyber th {
            background: #171E2C;
            color: #ffffff;
            border-bottom: 2px solid var(--border-color);
            padding: 1.1rem 1.25rem;
            font-weight: 600;
        }
        .table-cyber td {
            background: transparent;
            border-color: var(--border-color);
            padding: 1rem 1.25rem;
            vertical-align: middle;
            color: var(--text-muted);
        }
        .table-cyber tr:hover td {
            background: rgba(0, 242, 254, 0.02);
            color: var(--text-main);
        }

        /* 评论与信赖墙 */
        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 2px solid var(--border-highlight);
            object-fit: cover;
        }
        .star-rating {
            color: #fbbf24;
            font-size: 0.85rem;
            margin-bottom: 0.75rem;
        }

        /* 资讯内嵌卡片 */
        .news-item-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
        }
        .news-item-card:hover {
            border-color: var(--border-highlight);
            transform: translateY(-3px);
        }
        .news-thumb-box {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .news-thumb-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-item-card:hover .news-thumb-box img {
            transform: scale(1.05);
        }
        .news-date-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(11, 14, 20, 0.85);
            backdrop-filter: blur(4px);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            font-family: var(--font-mono);
        }

        /* 手风琴改造 */
        .accordion-esports .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            border-radius: 8px !important;
            overflow: hidden;
        }
        .accordion-esports .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.2rem 1.5rem;
            box-shadow: none !important;
        }
        .accordion-esports .accordion-button:not(.collapsed) {
            background-color: rgba(0, 242, 254, 0.05);
            color: var(--accent-cyan);
            border-bottom: 1px solid var(--border-color);
        }
        .accordion-esports .accordion-button::after {
            filter: invert(0.8) hue-rotate(170deg);
        }
        .accordion-esports .accordion-body {
            color: var(--text-muted);
            padding: 1.25rem 1.5rem;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* 终极转化卡片 */
        .cta-focus-card {
            background: radial-gradient(circle at 50% 0%, rgba(0, 242, 254, 0.12) 0%, rgba(18, 23, 33, 0.95) 75%);
            border: 1px solid rgba(0, 242, 254, 0.35);
            border-radius: 14px;
            padding: 4rem 2rem;
            text-align: center;
            box-shadow: 0 0 40px rgba(0, 242, 254, 0.08);
        }

        /* 页脚规范 */
        .esports-footer {
            background-color: #080A0F;
            border-top: 1px solid var(--border-color);
            padding: 4rem 0 2rem;
            color: var(--text-dim);
            font-size: 0.88rem;
        }
        .footer-heading {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }
        .footer-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-link-list li {
            margin-bottom: 8px;
        }
        .footer-link-list a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom-bar {
            margin-top: 3.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #141A26;
            font-size: 0.82rem;
            color: #4B5563;
        }