/* ========== 全局变量 ========== */
:root {
    --primary: #6366f1;
    --primary-2: #22d3ee;
    --bg: #f8fafc;
    --bg-darker: #f1f5f9;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 10px 25px -5px rgba(99, 102, 241, 0.15);
}

/* ========== 重置样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* ========== 首页横幅 ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #f0f9ff 0%, #f8fafc 100%);
    padding-top: 80px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: 0.3s;
    box-shadow: var(--shadow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* ========== 通用板块样式 ========== */
.section {
    padding: 5rem 0;
}

.bg-darker {
    background: var(--bg-darker);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    margin: 0.8rem auto 0;
    border-radius: 2px;
}

/* ========== 项目网格 ========== */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: 0.3s;
    box-shadow: var(--shadow);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.project-img {
    height: 200px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(34, 211, 238, 0.1));
}

.project-card h3 {
    padding: 1.2rem 1.5rem 0.5rem;
    font-size: 1.2rem;
}

.project-card p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========== 公众号文章列表 ========== */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.article-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: 0.3s;
}

.article-item:hover {
    transform: translateX(5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.article-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.article-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
}

.article-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.article-link {
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(34, 211, 238, 0.1));
    color: var(--primary);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    transition: 0.3s;
}

.article-link:hover {
    background: var(--primary);
    color: #fff;
}

/* ========== 腾讯文档多板块 ========== */
.doc-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.doc-tab {
    padding: 10px 24px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: 0.3s;
}

.doc-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.doc-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.doc-panels {
    position: relative;
}

.doc-panel {
    display: none;
}

.doc-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 腾讯文档列表 */
.doc-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.doc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: 0.3s;
}

.doc-item:hover {
    transform: translateX(5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

.doc-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.doc-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(34, 211, 238, 0.1));
    border-radius: 8px;
    font-size: 1rem;
    color: var(--primary);
}

.doc-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
}

.doc-type {
    font-size: 0.75rem;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
}

.doc-link {
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(34, 211, 238, 0.1));
    color: var(--primary);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    transition: 0.3s;
}

.doc-link:hover {
    background: var(--primary);
    color: #fff;
}

/* ========== 优势网格 ========== */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: 0.3s;
}

.advantage-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.advantage-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.advantage-item h3 {
    margin-bottom: 0.5rem;
}

.advantage-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========== 联系方式 ========== */
.contact-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: 0.3s;
}

.contact-item:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

.contact-item i {
    font-size: 2rem;
}

/* ========== 页脚 ========== */
.footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========== 动画 ========== */
.fade-in {
    animation: fadeIn 0.6s ease;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .contact-links {
        gap: 1.5rem;
    }

    .doc-tabs {
        gap: 0.

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要不要我把 `script.js` 也发给你？浅色版下需要和 CSS 配套使用。