/* 极简现代重置 + 创意轻量样式 (无外部依赖，加载极速) */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background: #faf7f2;
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', sans-serif;
            color: #2a241e;
            line-height: 1.4;
            scroll-behavior: smooth;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 创意导航 */
        .header {
            background: rgba(255, 248, 240, 0.96);
            backdrop-filter: blur(4px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid #f0e2d4;
        }
        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            flex-wrap: wrap;
            gap: 16px;
        }
        .logo a {
            font-size: 1.7rem;
            font-weight: 700;
            background: linear-gradient(135deg, #7a4a28, #c47e5a);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: -0.3px;
        }
        .nav-links {
            display: flex;
            gap: 28px;
        }
        .nav-links a {
            text-decoration: none;
            font-weight: 500;
            color: #5a3e2e;
            transition: 0.2s;
        }
        .nav-links a:hover {
            color: #b45f3b;
            transform: translateY(-1px);
        }

        /* Hero 创意模块 */
        .hero {
            text-align: center;
            padding: 56px 0 40px;
        }
        .hero-badge {
            display: inline-flex;
            gap: 12px;
            background: #e9dfd5;
            padding: 6px 18px;
            border-radius: 60px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #6b3f22;
            margin-bottom: 24px;
            backdrop-filter: blur(2px);
        }
        h1 {
            font-size: 3.4rem;
            font-weight: 800;
            background: linear-gradient(145deg, #382317, #9b5e3c);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .tagline {
            font-size: 1.3rem;
            color: #5f4a38;
            margin: 18px 0 24px;
            font-weight: 460;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            margin-top: 20px;
        }
        .stat-chip {
            background: white;
            border-radius: 48px;
            padding: 8px 18px;
            font-weight: 500;
            box-shadow: 0 2px 6px rgba(0,0,0,0.03);
            border: 1px solid #f0e2d4;
            font-size: 0.9rem;
            transition: all 0.2s;
        }
        .stat-chip:hover {
            border-color: #cbb292;
            transform: translateY(-2px);
        }

        /* 创意特性网格 (非对称视觉) */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
            gap: 28px;
            margin: 60px 0 40px;
        }
        .feat-card {
            background: #ffffffdb;
            backdrop-filter: blur(2px);
            border-radius: 40px;
            padding: 28px 24px;
            transition: 0.25s ease;
            border: 1px solid #f3e7dd;
            box-shadow: 0 8px 20px rgba(0,0,0,0.02);
        }
        .feat-card:hover {
            transform: translateY(-6px);
            border-color: #e2cebc;
            box-shadow: 0 20px 28px -12px rgba(86, 48, 26, 0.12);
        }
        .feat-icon {
            font-size: 2.8rem;
            margin-bottom: 16px;
        }
        .feat-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #4f3420;
        }
        .feat-card p {
            color: #5b4a3b;
            line-height: 1.45;
        }

        /* 创意双面板 — 测速氛围 + 主题拟态 */
        .showcase-block {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin: 60px 0 48px;
        }
        .speed-demo, .theme-demo {
            flex: 1;
            background: #fff8f2;
            border-radius: 48px;
            padding: 28px;
            border: 1px solid #f0e0d2;
            box-shadow: 0 6px 14px rgba(0,0,0,0.02);
        }
        .node-list {
            margin: 20px 0 8px;
        }
        .node-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px dashed #eedbcb;
            font-weight: 500;
        }
        .ping {
            font-family: monospace;
            font-weight: 700;
            color: #3c802c;
        }
        .theme-switch-mock {
            display: flex;
            gap: 16px;
            margin: 20px 0;
        }
        .theme-light, .theme-dark {
            flex: 1;
            text-align: center;
            padding: 16px;
            border-radius: 48px;
            font-weight: 600;
            transition: 0.1s;
        }
        .theme-light {
            background: #fef7e0;
            color: #4a2e1a;
            border: 1px solid #ffe1b3;
        }
        .theme-dark {
            background: #2b241f;
            color: #f5e6d9;
            border: 1px solid #51412f;
        }

        /* 创意实用行 */
        .utility-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin: 40px 0 56px;
        }
        .util-card {
            flex: 1;
            background: #ffffffcc;
            border-radius: 32px;
            padding: 22px 24px;
            display: flex;
            gap: 18px;
            align-items: center;
            backdrop-filter: blur(2px);
            border: 1px solid #efe1d3;
        }
        .util-icon {
            font-size: 2.6rem;
        }
        .util-text h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .util-text p {
            color: #68573f;
        }

        /* 性能跃升面板 */
        .innovation-panel {
            background: linear-gradient(125deg, #f4ebe2, #faf1e7);
            border-radius: 56px;
            padding: 40px 28px;
            margin: 40px 0 50px;
            text-align: center;
        }
        .stats-flex {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-evenly;
            gap: 32px;
            margin: 32px 0 16px;
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(145deg, #734b2d, #ab6e48);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }
        .stat-label {
            font-weight: 500;
            color: #644b33;
        }

        /* 下载区域 创意三步骤 */
        .download-zone {
            background: #2b241f;
            border-radius: 64px;
            padding: 48px 32px;
            margin: 56px 0 48px;
            text-align: center;
            color: #fef0e4;
        }
        .download-zone h2 {
            color: #ffddbb;
            margin-bottom: 16px;
        }
        .steps-simple {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 28px;
            margin: 20px 0 32px;
            font-weight: 500;
            background: #3e3228;
            padding: 14px 20px;
            border-radius: 80px;
            width: fit-content;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-download {
            background: #f7bc7a;
            border: none;
            padding: 16px 44px;
            font-size: 1.2rem;
            font-weight: 700;
            border-radius: 60px;
            color: #2b1c10;
            display: inline-block;
            text-decoration: none;
            transition: 0.2s;
            box-shadow: 0 8px 18px rgba(0,0,0,0.2);
            margin-bottom: 28px;
        }
        .btn-download:hover {
            background: #ffcf97;
            transform: scale(1.02);
        }
        .platform-icons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-top: 16px;
        }
        .platform-link {
            background: #4a3a2e;
            padding: 10px 24px;
            border-radius: 48px;
            text-decoration: none;
            color: #ffefdf;
            font-weight: 500;
            transition: all 0.2s;
        }
        .platform-link:hover {
            background: #6f543e;
            color: white;
        }

        /* 动态社区小条 */
        .footer-dynamic {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            background: #e7dbcf;
            border-radius: 48px;
            padding: 20px 28px;
            margin: 20px 0 30px;
            font-weight: 500;
            gap: 16px;
            color: #4e3928;
        }

        /* 页脚 */
        .footer {
            background: #efe2d6;
            padding: 36px 0 28px;
            margin-top: 40px;
            text-align: center;
            border-top: 1px solid #e2cfbf;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 32px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            text-decoration: none;
            color: #6e4c32;
            font-weight: 500;
        }
        .footer p {
            color: #755c46;
        }

        @media (max-width: 760px) {
            .container {
                padding: 0 20px;
            }
            h1 {
                font-size: 2.4rem;
            }
            .hero {
                padding: 32px 0;
            }
            .util-card {
                flex-direction: column;
                text-align: center;
            }
            .footer-dynamic {
                flex-direction: column;
                text-align: center;
            }
        }