* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --blue-400: #60a5fa;
            --blue-500: #3b82f6;
            --blue-600: #2563eb;
            --purple-400: #a855f7;
            --purple-500: #8b5cf6;
            --purple-600: #7c3aed;
            --gray-50: #f0f3fa;
            --gray-200: #cbd5e6;
            --gray-300: #b9c7e6;
            --gray-400: #9ca3c0;
            --gray-500: #7e8aa2;
            --gray-600: #7a85a6;
            --dark-800: #0a0c12;
            --dark-700: #0e111b;
            --dark-600: #11161f;
            --card-bg: rgba(20, 25, 40, 0.7);
            --card-hover: rgba(25, 32, 48, 0.85);
            --border-subtle: rgba(96, 153, 225, 0.2);
            --border-medium: rgba(96, 165, 250, 0.25);
            --border-strong: rgba(96, 165, 250, 0.5);
            --glow-blue: rgba(96, 165, 250, 0.12);
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', 'Roboto', sans-serif;
            background: #0a0c12;
            color: #eef2ff;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* 导航栏 */
        .glass-nav {
            background: rgba(10, 12, 18, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .navbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            gap: 1.5rem;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .logo-svg svg {
            filter: drop-shadow(0 0 6px #3b82f6);
            width: 38px;
            height: 38px;
        }

        .logo-text {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #60a5fa, #a855f7);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            letter-spacing: -0.02em;
        }

        .badge-new {
            background: rgba(96, 165, 250, 0.2);
            border: 1px solid rgba(96, 165, 250, 0.4);
            padding: 0.2rem 0.7rem;
            border-radius: 40px;
            font-size: 0.7rem;
            font-weight: 500;
            color: #93c5fd;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            gap: 2.2rem;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            font-weight: 500;
            color: #cbd5e6;
            transition: color 0.2s, text-shadow 0.2s;
            font-size: 1rem;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #60a5fa;
            text-shadow: 0 0 4px rgba(96, 165, 250, 0.3);
        }

        /* Hero 区域 */
        .hero {
            padding: 4rem 0 4rem;
            position: relative;
            overflow: hidden;
        }

        .hero-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 3rem;
            flex-wrap: wrap;
        }

        .hero-left {
            flex: 1.2;
            min-width: 280px;
        }

        .hero-right {
            flex: 0.9;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, var(--glow-blue), transparent 70%);
            top: 20%;
            left: 20%;
            pointer-events: none;
            z-index: 0;
        }

        .hero-left h1 {
            font-size: 3.8rem;
            font-weight: 800;
            background: linear-gradient(125deg, #ffffff, #60a5fa, #c084fc);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .hero-tagline {
            font-size: 1.3rem;
            color: #9ca3af;
            max-width: 550px;
            margin: 1rem 0 0.8rem 0;
            font-weight: 450;
        }

        .hero-desc {
            font-size: 1rem;
            color: #7e8aa2;
            max-width: 500px;
            margin: 1rem 0 2rem 0;
        }

        .btn-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(105deg, #3b82f6, #8b5cf6);
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 60px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
            box-shadow: 0 6px 14px rgba(59, 130, 246, 0.3);
            border: none;
            display: inline-block;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(59, 130, 246, 0.4);
            background: linear-gradient(105deg, #2563eb, #7c3aed);
        }

        .btn-secondary {
            background: transparent;
            color: #cbd5e6;
            padding: 0.8rem 2rem;
            border-radius: 60px;
            font-weight: 500;
            text-decoration: none;
            border: 1px solid #3b82f6;
            transition: all 0.2s;
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: rgba(59, 130, 246, 0.1);
            border-color: #60a5fa;
            color: white;
        }

        .domain-tag {
            margin-top: 2rem;
            font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            background: rgba(255, 255, 255, 0.03);
            padding: 0.3rem 1rem;
            border-radius: 40px;
            display: inline-block;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            color: #8ba3c9;
            font-size: 0.9rem;
        }

        .hero-visual {
            background: rgba(20, 25, 40, 0.5);
            border-radius: 2rem;
            padding: 1rem;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-medium);
            width: 100%;
            max-width: 380px;
            text-align: center;
        }

        .hero-visual svg {
            width: 100%;
            height: auto;
            max-width: 280px;
        }

        .stat-badge {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 1.2rem;
            flex-wrap: wrap;
        }

        .stat-item {
            background: #11161f;
            padding: 0.4rem 0.8rem;
            border-radius: 40px;
            font-size: 0.75rem;
            color: #a0b3d9;
            white-space: nowrap;
        }

        /* 模块通用 */
        .features {
            padding: 3rem 0 5rem;
        }

        .section-title {
            text-align: center;
            font-size: 2.3rem;
            font-weight: 700;
            margin-bottom: 2.8rem;
            background: linear-gradient(135deg, #e0e7ff, #a78bfa);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }

        .section-subtitle {
            text-align: center;
            color: #7e8aa2;
            font-size: 1rem;
            max-width: 650px;
            margin: -1.5rem auto 2.5rem auto;
            line-height: 1.6;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 2rem;
            padding: 2rem 1.8rem;
            border: 1px solid var(--border-subtle);
            transition: all 0.25s;
            text-align: left;
        }

        .feature-card:hover {
            border-color: var(--border-strong);
            transform: translateY(-6px);
            background: var(--card-hover);
            box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.5);
        }

        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1.2rem;
        }

        .feature-card h3 {
            font-size: 1.6rem;
            margin-bottom: 0.8rem;
            font-weight: 600;
            color: #f0f3fa;
        }

        .feature-card p {
            color: #9ca3c0;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .feature-card .card-link {
            display: inline-block;
            margin-top: 1rem;
            color: #60a5fa;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.85rem;
            transition: color 0.2s;
        }

        .feature-card .card-link:hover {
            color: #93c5fd;
        }

        /* 展示区 */
        .showcase {
            background: linear-gradient(145deg, #0e111b, #080a10);
            border-radius: 2.5rem;
            padding: 3rem 2rem;
            margin: 1rem 0 3rem;
            border: 1px solid #2d3a5e;
            text-align: center;
        }

        .showcase p {
            font-size: 1.1rem;
            color: #b9c7e6;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .showcase strong {
            background: linear-gradient(135deg, #60a5fa, #c084fc);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            font-weight: 700;
        }

        /* 专题卡片网格 */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 1.8rem;
            margin: 2rem 0;
        }

        .topic-card {
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 1.8rem;
            padding: 2rem 1.6rem;
            border: 1px solid var(--border-subtle);
            transition: all 0.25s;
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .topic-card:hover {
            border-color: var(--border-strong);
            transform: translateY(-5px);
            background: var(--card-hover);
            box-shadow: 0 18px 30px -8px rgba(0, 0, 0, 0.55);
            color: inherit;
        }

        .topic-card .topic-icon {
            font-size: 2.8rem;
            margin-bottom: 1rem;
            display: block;
        }

        .topic-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #f0f3fa;
            margin-bottom: 0.6rem;
        }

        .topic-card p {
            color: #9ca3c0;
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 1.2rem;
        }

        .topic-card .topic-cta {
            display: inline-block;
            color: #60a5fa;
            font-weight: 600;
            font-size: 0.85rem;
            transition: color 0.2s;
        }

        .topic-card:hover .topic-cta {
            color: #93c5fd;
        }

        /* 配置方案卡片 */
        .config-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .config-card {
            background: rgba(20, 25, 40, 0.6);
            border-radius: 1.5rem;
            padding: 1.6rem 1.4rem;
            border: 1px solid rgba(96, 165, 250, 0.15);
            transition: all 0.25s;
            text-align: center;
        }

        .config-card:hover {
            border-color: var(--border-strong);
            transform: translateY(-4px);
            background: var(--card-hover);
        }

        .config-card .config-emoji {
            font-size: 2.5rem;
            display: block;
            margin-bottom: 0.8rem;
        }

        .config-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #f0f3fa;
            margin-bottom: 0.5rem;
        }

        .config-card p {
            color: #9ca3c0;
            font-size: 0.8rem;
            line-height: 1.4;
            margin-bottom: 1rem;
        }

        .config-card .config-link {
            color: #60a5fa;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.8rem;
            transition: color 0.2s;
        }

        .config-card .config-link:hover {
            color: #93c5fd;
        }

        /* 生态导航网格 */
        .eco-nav-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 0.8rem;
            margin: 2rem 0;
        }

        .eco-nav-item {
            background: rgba(20, 25, 40, 0.5);
            border: 1px solid rgba(96, 165, 250, 0.12);
            border-radius: 1rem;
            padding: 1rem 1.2rem;
            text-align: center;
            text-decoration: none;
            color: #b9c7e6;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
        }

        .eco-nav-item:hover {
            border-color: #60a5fa;
            color: #60a5fa;
            background: rgba(59, 130, 246, 0.08);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
        }

        /* 页脚 */
        .site-footer {
            background: #05070c;
            border-top: 1px solid #1e2a44;
            padding: 2.5rem 0;
            margin-top: 2rem;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
        }

        .copyright {
            font-size: 0.85rem;
            color: #7a85a6;
        }

        .footer-links a {
            color: #9aa9c7;
            text-decoration: none;
            margin-left: 1.8rem;
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: #60a5fa;
        }

        .footer-links a:first-child {
            margin-left: 0;
        }

        /* 响应式 */
        @media (max-width: 860px) {
            .hero-grid {
                flex-direction: column;
                text-align: center;
            }
            .hero-left {
                text-align: center;
            }
            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .btn-group {
                justify-content: center;
            }
            .domain-tag {
                margin-left: auto;
                margin-right: auto;
                display: table;
            }
            .hero-left h1 {
                font-size: 2.8rem;
            }
            .eco-nav-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }
        }

        @media (max-width: 680px) {
            .container {
                padding: 0 1.25rem;
            }
            .navbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                flex-wrap: wrap;
                gap: 1rem;
            }
            .hero-left h1 {
                font-size: 2.5rem;
            }
            .hero-tagline {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .features-grid,
            .topics-grid,
            .config-grid {
                grid-template-columns: 1fr;
            }
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
            .footer-links a {
                margin-left: 1rem;
                display: inline-block;
            }
        }