:root {
            --mldow-primary: #2c3e50;
            --mldow-accent: #e67e22;
            --mldow-secondary: #34495e;
            --mldow-bg-light: #f8f9fa;
            --mldow-text: #2d3436;
            --mldow-white: #ffffff;
            --mldow-glass: rgba(255, 255, 255, 0.9);
            --mldow-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --mldow-radius: 16px;
            --mldow-gap: 8px;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            color: var(--mldow-text);
            background-color: var(--mldow-bg-light);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
            overflow-wrap: break-word;
        }

        /* 布局容器 */
        .mldow-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 导航栏 */
        .mldow-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--mldow-glass);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .mldow-nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            flex-wrap: wrap;
        }

        .mldow-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .mldow-logo img {
            height: 45px;
            display: block;
        }

        .mldow-menu {
            display: flex;
            list-style: none;
            gap: 16px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .mldow-menu a {
            text-decoration: none;
            color: var(--mldow-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

        .mldow-menu a:hover {
            color: var(--mldow-accent);
            background: rgba(230, 126, 34, 0.05);
        }

        .mldow-menu a.mldow-active {
            color: var(--mldow-accent);
            background: rgba(230, 126, 34, 0.1);
        }

        /* Hero 区 - 非对称实验室布局 */
        .mldow-hero {
            padding-top: 160px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
            color: var(--mldow-white);
            position: relative;
            overflow: hidden;
        }

        .mldow-hero-grid {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .mldow-hero-content {
            flex: 1;
            min-width: 320px;
        }

        .mldow-hero-tag {
            display: inline-block;
            background: var(--mldow-accent);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .mldow-hero h1 {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            margin-bottom: 24px;
            font-weight: 800;
        }

        .mldow-hero p {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            opacity: 0.9;
            margin-bottom: 32px;
            max-width: 600px;
        }

        /* 模拟终端组件 */
        .mldow-terminal-preview {
            flex: 1;
            min-width: 320px;
            background: #1e1e1e;
            border-radius: 12px;
            box-shadow: 0 40px 80px rgba(0,0,0,0.5);
            border: 1px solid rgba(255,255,255,0.1);
            overflow: hidden;
            transform: perspective(1000px) rotateY(-5deg);
            transition: transform 0.5s ease;
        }

        .mldow-terminal-preview:hover {
            transform: perspective(1000px) rotateY(0deg);
        }

        .mldow-terminal-header {
            background: #333;
            padding: 10px 15px;
            display: flex;
            gap: 8px;
        }

        .mldow-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .mldow-dot-r { background: #ff5f56; }
        .mldow-dot-y { background: #ffbd2e; }
        .mldow-dot-g { background: #27c93f; }

        .mldow-terminal-body {
            padding: 24px;
            font-family: 'Fira Code', 'Courier New', monospace;
            font-size: 14px;
        }

        .mldow-code-line {
            margin-bottom: 8px;
            word-break: break-all;
        }

        .mldow-c-accent { color: var(--mldow-accent); }
        .mldow-c-green { color: #2ecc71; }
        .mldow-c-blue { color: #3498db; }

        /* 内容区块 */
        .mldow-section {
            padding: 96px 0;
        }

        .mldow-section-title {
            text-align: center;
            margin-bottom: 64px;
        }

        .mldow-section-title h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            color: var(--mldow-primary);
            margin-bottom: 16px;
        }

        .mldow-section-title .mldow-divider {
            width: 60px;
            height: 4px;
            background: var(--mldow-accent);
            margin: 0 auto;
        }

        /* 皮肤卡片网格 */
        .mldow-theme-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
        }

        .mldow-theme-card {
            background: var(--mldow-white);
            border-radius: var(--mldow-radius);
            padding: 32px;
            box-shadow: var(--mldow-shadow);
            border: 1px solid rgba(0,0,0,0.03);
            transition: all 0.3s ease;
        }

        .mldow-theme-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .mldow-theme-icon {
            width: 56px;
            height: 56px;
            background: rgba(230, 126, 34, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 24px;
            color: var(--mldow-accent);
        }

        .mldow-theme-card h3 {
            margin-bottom: 16px;
            font-size: 1.4rem;
            color: var(--mldow-primary);
        }

        .mldow-theme-card p {
            color: #636e72;
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        /* 配色预览小样 */
        .mldow-color-swatches {
            display: flex;
            gap: 8px;
            margin-top: 16px;
        }

        .mldow-swatch {
            width: 24px;
            height: 24px;
            border-radius: 4px;
            border: 1px solid rgba(0,0,0,0.1);
        }

        /* 步骤说明区 */
        .mldow-steps-section {
            background: var(--mldow-white);
        }

        .mldow-step-item {
            display: flex;
            gap: 32px;
            margin-bottom: 48px;
            flex-wrap: wrap;
            align-items: center;
        }

        .mldow-step-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .mldow-step-content {
            flex: 1;
            min-width: 300px;
        }

        .mldow-step-number {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(230, 126, 34, 0.2);
            line-height: 1;
            margin-bottom: 8px;
        }

        .mldow-step-content h4 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--mldow-primary);
        }

        .mldow-step-visual {
            flex: 1;
            min-width: 300px;
            background: #f1f3f5;
            padding: 24px;
            border-radius: var(--mldow-radius);
            border: 2px dashed #dee2e6;
        }

        /* 协议链接区 */
        .mldow-protocol-nexus {
            background: #2c3e50;
            color: var(--mldow-white);
        }

        .mldow-protocol-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .mldow-protocol-box {
            background: rgba(255,255,255,0.05);
            padding: 32px;
            border-radius: 12px;
            border-left: 4px solid var(--mldow-accent);
        }

        .mldow-protocol-box h5 {
            color: var(--mldow-accent);
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .mldow-protocol-box ul {
            list-style: none;
            font-size: 0.9rem;
            opacity: 0.8;
        }

        /* 页脚 */
        .mldow-footer {
            background: #1a252f;
            color: rgba(255,255,255,0.7);
            padding: 80px 0 40px;
        }

        .mldow-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .mldow-footer-brand h2 {
            color: var(--mldow-white);
            margin-bottom: 20px;
            font-size: 1.8rem;
        }

        .mldow-footer-links h4 {
            color: var(--mldow-white);
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .mldow-footer-links ul {
            list-style: none;
        }

        .mldow-footer-links li {
            margin-bottom: 12px;
        }

        .mldow-footer-links a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .mldow-bottom {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.85rem;
        }

        /* 按钮样式 */
        .mldow-btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .mldow-btn-primary {
            background: var(--mldow-accent);
            color: var(--mldow-white);
        }

        .mldow-btn-primary:hover {
            background: #d35400;
            transform: scale(1.05);
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .mldow-hero-grid {
                flex-direction: column;
                text-align: center;
            }
            .mldow-hero p {
                margin-left: auto;
                margin-right: auto;
            }
            .mldow-terminal-preview {
                transform: none;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .mldow-nav-wrapper {
                height: auto;
                padding: 16px 0;
                flex-direction: column;
                gap: 16px;
            }
            .mldow-menu {
                justify-content: center;
            }
            .mldow-section {
                padding: 64px 0;
            }
            .mldow-theme-grid {
                grid-template-columns: 1fr;
            }
            .mldow-step-item, .mldow-step-item:nth-child(even) {
                flex-direction: column;
            }
        }