:root {
    --primary: #c41230;
    --primary-light: #fff1f1;
    --text-primary: #333333;
    --text-secondary: #666666;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border-color: #eaeaea;
}
@font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  src: url(/static/flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2) format('woff2');
}

.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
}
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
}

.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
.header {
    background: var(--primary);
    padding: 2rem 0;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    color: var(--white);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.logo span {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 500;
}

.logo .material-icons {
    font-size: 1.4rem;
}

.header h1 {
    font-size: 2rem;
    margin: 0 0 0.8rem;
    font-weight: 600;
}

.header p {
    margin: 0;
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 主要内容区 */
.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

/* 简介部分 */
.intro-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 1rem;
}

.intro-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.intro-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    background: var(--primary-light);
}

.intro-icon {
    color: var(--primary);
    margin-bottom: 1rem;
}

.intro-icon .material-icons {
    font-size: 2.5rem;
}

.intro-card h3 {
    margin: 0 0 0.5rem;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.intro-card p {
    margin: 0;
    color: var(--text-secondary);
}

/* 分隔线 */
.divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: var(--border-color);
}

.divider span {
    background: var(--bg-light);
    padding: 0 1rem;
    color: var(--text-secondary);
    position: relative;
    font-size: 1.1rem;
}

/* 导航样式 */
.timeline-nav {
    display: grid;
    gap: 1rem;
    padding: 1rem;
}

.nav-item {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s ease;
}

.nav-item:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.nav-item .material-icons {
    color: var(--primary);
    font-size: 1.5rem;
}

.nav-links {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
}

.search-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.search-link:hover {
    background: var(--primary);
    color: var(--white);
}

.search-link .material-icons {
    font-size: 1.2rem;
    color: inherit;
}

/* 页脚 */
.footer {
    background: var(--white);
    border-top: 1px solid var(--border-color);
    padding: 1rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .header-content {
        padding: 0 1rem;
    }

    .header h1 {
        font-size: 1.6rem;
    }

    .header p {
        font-size: 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .intro-section {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .intro-card {
        padding: 1.5rem;
    }

    .intro-icon .material-icons {
        font-size: 2rem;
    }

    .timeline-nav {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .nav-item {
        padding: 0.8rem 1rem;
    }

    .nav-item .material-icons {
        font-size: 1.3rem;
    }

    .main-link {
        font-size: 1rem;
    }

    .search-link {
        padding: 0.4rem;
    }

    .search-link .material-icons {
        font-size: 1.1rem;
    }
}

/* 超小屏幕适配 */
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.4rem;
    }

    .intro-card {
        padding: 1.2rem;
    }

    .nav-item {
        padding: 0.7rem 0.8rem;
    }

    .nav-item .material-icons {
        font-size: 1.2rem;
    }

    .main-link {
        font-size: 0.95rem;
    }

    .search-link {
        padding: 0.35rem;
    }

    .search-link .material-icons {
        font-size: 1rem;
    }
}