:root {
            --h5hz5o-chrome-blue: #1a73e8;
            --h5hz5o-chrome-red: #ea4335;
            --h5hz5o-chrome-yellow: #fbbc04;
            --h5hz5o-chrome-green: #34a853;
            --h5hz5o-text-main: #202124;
            --h5hz5o-text-sub: #5f6368;
            --h5hz5o-bg-light: #ffffff;
            --h5hz5o-bg-gray: #f8f9fa;
            --h5hz5o-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --h5hz5o-max-width: 1140px;
        }

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

        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            color: var(--h5hz5o-text-main);
            background-color: var(--h5hz5o-bg-light);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* 导航栏设计 */
        .h5hz5o-header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: var(--h5hz5o-transition);
        }

        .h5hz5o-nav-container {
            max-width: var(--h5hz5o-max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
        }

        .h5hz5o-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .h5hz5o-logo img {
            height: 36px;
            width: auto;
        }

        .h5hz5o-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .h5hz5o-nav-item {
            min-width: 0;
        }

        .h5hz5o-nav-link {
            text-decoration: none;
            color: var(--h5hz5o-text-sub);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--h5hz5o-transition);
            word-break: keep-all;
        }

        .h5hz5o-nav-link:hover {
            background-color: var(--h5hz5o-bg-gray);
            color: var(--h5hz5o-chrome-blue);
        }

        .h5hz5o-nav-link.active {
            color: var(--h5hz5o-chrome-blue);
            background-color: rgba(26, 115, 232, 0.1);
        }

        /* 独特的 Hero 区域 - 模块化悬浮感 */
        .h5hz5o-hero-plugins {
            padding: 160px 24px 96px;
            background: radial-gradient(circle at top right, rgba(26, 115, 232, 0.05), transparent),
                        radial-gradient(circle at bottom left, rgba(52, 168, 83, 0.05), transparent);
            text-align: center;
        }

        .h5hz5o-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .h5hz5o-hero-tag {
            display: inline-block;
            background: linear-gradient(90deg, var(--h5hz5o-chrome-blue), var(--h5hz5o-chrome-green));
            color: white;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .h5hz5o-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--h5hz5o-text-main);
            word-break: keep-all;
        }

        .h5hz5o-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            color: var(--h5hz5o-text-sub);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 插件分类网格 */
        .h5hz5o-section {
            padding: 96px 24px;
            max-width: var(--h5hz5o-max-width);
            margin: 0 auto;
        }

        .h5hz5o-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            width: 100%;
        }

        .h5hz5o-card {
            background: var(--h5hz5o-bg-light);
            border: 1px solid rgba(0,0,0,0.06);
            border-radius: 24px;
            padding: 40px;
            transition: var(--h5hz5o-transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .h5hz5o-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border-color: var(--h5hz5o-chrome-blue);
        }

        .h5hz5o-card-icon {
            width: 64px;
            height: 64px;
            background: var(--h5hz5o-bg-gray);
            border-radius: 16px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
        }

        .h5hz5o-card-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .h5hz5o-card-desc {
            color: var(--h5hz5o-text-sub);
            font-size: 1rem;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .h5hz5o-card-btn {
            display: inline-flex;
            align-items: center;
            color: var(--h5hz5o-chrome-blue);
            font-weight: 600;
            text-decoration: none;
            gap: 8px;
            transition: var(--h5hz5o-transition);
        }

        .h5hz5o-card-btn:hover {
            gap: 12px;
        }

        /* 核心架构深度解析区 - 独特横向布局 */
        .h5hz5o-tech-section {
            background-color: var(--h5hz5o-bg-gray);
            border-radius: 48px;
            margin: 64px 24px;
            padding: 80px 48px;
        }

        .h5hz5o-tech-header {
            margin-bottom: 64px;
            text-align: center;
        }

        .h5hz5o-tech-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .h5hz5o-tech-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }

        .h5hz5o-tech-item {
            flex: 1;
            min-width: 300px;
            background: white;
            padding: 32px;
            border-radius: 24px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
        }

        .h5hz5o-tech-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--h5hz5o-chrome-blue);
            margin-bottom: 12px;
            display: block;
        }

        .h5hz5o-tech-metric {
            display: inline-block;
            background: rgba(52, 168, 83, 0.1);
            color: var(--h5hz5o-chrome-green);
            padding: 2px 12px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 16px;
        }

        /* 安全防护盾 */
        .h5hz5o-shield-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 48px;
        }

        .h5hz5o-shield-card {
            flex: 1;
            min-width: 280px;
            padding: 32px;
            border-radius: 20px;
            border-left: 4px solid var(--h5hz5o-chrome-red);
            background: #fff;
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
        }

        .h5hz5o-shield-card:nth-child(2) { border-left-color: var(--h5hz5o-chrome-blue); }
        .h5hz5o-shield-card:nth-child(3) { border-left-color: var(--h5hz5o-chrome-yellow); }

        .h5hz5o-shield-type {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            display: block;
        }

        /* FAQ 区块 */
        .h5hz5o-faq-container {
            max-width: 800px;
            margin: 64px auto;
        }

        .h5hz5o-faq-item {
            margin-bottom: 24px;
            border-bottom: 1px solid #eee;
            padding-bottom: 24px;
        }

        .h5hz5o-question {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--h5hz5o-text-main);
        }

        .h5hz5o-answer {
            color: var(--h5hz5o-text-sub);
        }

        /* 页脚 */
        .h5hz5o-footer {
            background: #202124;
            color: #bdc1c6;
            padding: 80px 24px 40px;
        }

        .h5hz5o-footer-content {
            max-width: var(--h5hz5o-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .h5hz5o-footer-brand {
            flex: 1;
            min-width: 240px;
        }

        .h5hz5o-footer-brand-name {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 16px;
        }

        .h5hz5o-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

        .h5hz5o-footer-column {
            min-width: 120px;
        }

        .h5hz5o-footer-title {
            color: white;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .h5hz5o-footer-list {
            list-style: none;
        }

        .h5hz5o-footer-item {
            margin-bottom: 12px;
        }

        .h5hz5o-footer-link {
            color: #bdc1c6;
            text-decoration: none;
            transition: var(--h5hz5o-transition);
            font-size: 0.9rem;
        }

        .h5hz5o-footer-link:hover {
            color: white;
        }

        .h5hz5o-copyright {
            max-width: var(--h5hz5o-max-width);
            margin: 64px auto 0;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 0.85rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .h5hz5o-nav-menu {
                display: none; /* 简易处理：移动端通常使用汉堡菜单，此处为演示直接隐藏或变单列 */
            }
            
            .h5hz5o-hero-plugins {
                padding-top: 120px;
            }

            .h5hz5o-tech-section {
                padding: 48px 24px;
                border-radius: 24px;
            }

            .h5hz5o-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 动画交互增强 */
        .h5hz5o-card:hover .h5hz5o-card-icon {
            background-color: var(--h5hz5o-chrome-blue);
            color: white;
            transform: scale(1.1) rotate(5deg);
        }