:root {
            --t618w1-accent: #188038;
            --t618w1-accent-light: #e8f5e9;
            --t618w1-text-main: #202124;
            --t618w1-text-muted: #5f6368;
            --t618w1-bg: #ffffff;
            --t618w1-bg-alt: #f8f9fa;
            --t618w1-border: #dadce0;
            --t618w1-shadow: 0 1px 3px rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
            --t618w1-radius: 12px;
            --t618w1-max-width: 1320px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--t618w1-text-main);
            background-color: var(--t618w1-bg);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 导航系统 */
        .t618w1-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--t618w1-border);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .t618w1-nav-container {
            width: 100%;
            max-width: var(--t618w1-max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .t618w1-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .t618w1-logo img {
            height: 36px;
            width: auto;
        }

        .t618w1-nav-menu {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .t618w1-nav-item a {
            text-decoration: none;
            color: var(--t618w1-text-muted);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: clamp(0.875rem, 1vw + 0.5rem, 1rem);
            font-weight: 500;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .t618w1-nav-item a:hover {
            background-color: var(--t618w1-bg-alt);
            color: var(--t618w1-accent);
        }

        .t618w1-nav-item.active a {
            background-color: var(--t618w1-accent-light);
            color: var(--t618w1-accent);
        }

        /* Hero 区块 - 独特非对称布局 */
        .t618w1-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(circle at 90% 10%, #e8f5e9 0%, #ffffff 50%);
        }

        .t618w1-hero-inner {
            max-width: var(--t618w1-max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .t618w1-hero-content {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .t618w1-slogan {
            display: inline-block;
            color: var(--t618w1-accent);
            background: var(--t618w1-accent-light);
            padding: 4px 12px;
            border-radius: 4px;
            font-weight: 600;
            margin-bottom: 16px;
            font-size: 0.9rem;
        }

        .t618w1-hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--t618w1-text-main);
        }

        .t618w1-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            color: var(--t618w1-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
            line-height: 1.6;
        }

        /* 插件分类展示 - Bento Grid 风格 */
        .t618w1-section {
            padding: 80px 0;
            max-width: var(--t618w1-max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .t618w1-section-header {
            margin-bottom: 48px;
            text-align: center;
        }

        .t618w1-section-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            margin-bottom: 12px;
        }

        .t618w1-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-bottom: 48px;
        }

        .t618w1-card {
            background: var(--t618w1-bg-alt);
            border: 1px solid var(--t618w1-border);
            border-radius: var(--t618w1-radius);
            padding: 32px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .t618w1-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--t618w1-shadow);
            border-color: var(--t618w1-accent);
        }

        .t618w1-card-tag {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--t618w1-accent);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .t618w1-card-name {
            font-size: 1.5rem;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .t618w1-card-desc {
            color: var(--t618w1-text-muted);
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .t618w1-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }

        .t618w1-btn-primary {
            background-color: var(--t618w1-accent);
            color: white;
        }

        .t618w1-btn-primary:hover {
            background-color: #0d652d;
            box-shadow: 0 4px 12px rgba(24, 128, 56, 0.3);
        }

        /* 内核演进时间轴 - 视觉节奏感 */
        .t618w1-timeline-container {
            background: var(--t618w1-text-main);
            color: white;
            padding: 96px 24px;
            border-radius: 32px;
            margin: 40px auto;
            max-width: calc(var(--t618w1-max-width) - 48px);
        }

        .t618w1-timeline {
            display: flex;
            flex-direction: column;
            gap: 48px;
            position: relative;
        }

        .t618w1-timeline-item {
            display: grid;
            grid-template-columns: 1fr 3fr;
            gap: 32px;
            align-items: start;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .t618w1-milestone-title {
            font-size: 1.2rem;
            color: var(--t618w1-accent);
            font-weight: 700;
        }

        .t618w1-milestone-details {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .t618w1-stat-badge {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            margin-right: 12px;
        }

        /* FAQ 区块 */
        .t618w1-faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 32px;
        }

        .t618w1-faq-item {
            background: var(--t618w1-bg-alt);
            padding: 32px;
            border-radius: var(--t618w1-radius);
            height: 100%;
        }

        .t618w1-faq-q {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--t618w1-text-main);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .t618w1-faq-a {
            color: var(--t618w1-text-muted);
            line-height: 1.8;
        }

        /* 页脚 */
        .t618w1-footer {
            background-color: var(--t618w1-bg-alt);
            padding: 80px 24px 40px;
            border-top: 1px solid var(--t618w1-border);
        }

        .t618w1-footer-inner {
            max-width: var(--t618w1-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            justify-content: space-between;
        }

        .t618w1-footer-brand {
            flex: 1;
            min-width: 250px;
        }

        .t618w1-brand-name {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--t618w1-accent);
            margin-bottom: 16px;
        }

        .t618w1-footer-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            flex: 2;
        }

        .t618w1-footer-group h4 {
            margin-bottom: 20px;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .t618w1-footer-group ul {
            list-style: none;
        }

        .t618w1-footer-group li {
            margin-bottom: 12px;
        }

        .t618w1-footer-group a {
            text-decoration: none;
            color: var(--t618w1-text-muted);
            transition: color 0.2s;
        }

        .t618w1-footer-group a:hover {
            color: var(--t618w1-accent);
        }

        .t618w1-copyright {
            width: 100%;
            margin-top: 64px;
            padding-top: 24px;
            border-top: 1px solid var(--t618w1-border);
            text-align: center;
            color: var(--t618w1-text-muted);
            font-size: 0.9rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .t618w1-header {
                height: auto;
                padding: 12px 0;
            }
            .t618w1-nav-container {
                flex-direction: column;
                gap: 16px;
            }
            .t618w1-nav-menu {
                justify-content: center;
            }
            .t618w1-hero {
                padding-top: 180px;
            }
            .t618w1-hero-inner {
                text-align: center;
            }
            .t618w1-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .t618w1-timeline-item {
                grid-template-columns: 1fr;
            }
            .t618w1-faq-grid {
                grid-template-columns: 1fr;
            }
        }