/* ============================================================
   大学择校指南 — 样式表
   ============================================================ */

/* ---- CSS 变量 ---- */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-border: #e2e8f0;
    --color-star: #f59e0b;
    --color-tag-bg: #eff6ff;
    --color-tag-text: #1d4ed8;
    --radius: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --max-width: 1100px;
}

/* ---- 全局重置 ---- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
                 Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- 导航栏 ---- */
.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}
.nav-brand:hover { text-decoration: none; }

.nav-links { display: flex; gap: 24px; }
.nav-links a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }

/* ---- 主内容 ---- */
.main-content {
    flex: 1;
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---- Hero ---- */
.hero {
    text-align: center;
    padding: 60px 20px 40px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--color-primary), #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}
.hero-stats strong { color: var(--color-primary); }

/* ---- 筛选栏 ---- */
.filter-bar {
    margin-bottom: 32px;
}

.filter-container {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-input {
    flex: 1;
    min-width: 200px;
    padding: 10px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}
.filter-input:focus { border-color: var(--color-primary); }

.filter-select {
    padding: 10px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: var(--color-surface);
    cursor: pointer;
    outline: none;
}

/* ---- 大学卡片网格 ---- */
.uni-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 48px;
}

.uni-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    transition: box-shadow 0.2s, transform 0.2s;
    display: block;
    color: var(--color-text);
    position: relative;
}
.uni-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
}

.uni-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.uni-card-header h2 { font-size: 1.25rem; }

.uni-badge {
    background: var(--color-tag-bg);
    color: var(--color-tag-text);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.uni-card-meta {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    display: flex;
    gap: 12px;
}

.uni-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }

.tag {
    background: var(--color-tag-bg);
    color: var(--color-tag-text);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.78rem;
}
.tag-large { padding: 4px 12px; font-size: 0.85rem; }
.tag-small { padding: 1px 6px; font-size: 0.75rem; }

.uni-card-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.uni-card-features {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.uni-card-commit {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 0.7rem;
    opacity: 0.5;
}
.uni-card-commit code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
}

/* ---- 面包屑 ---- */
.breadcrumb {
    padding: 16px 0;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}
.breadcrumb a { margin-right: 4px; }
.breadcrumb span { margin: 0 4px; }

/* ---- 学校头部 ---- */
.uni-header {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.uni-header h1 {
    font-size: 2rem;
    margin-bottom: 4px;
    display: inline;
}

.uni-short-name {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-left: 12px;
}

.uni-header-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 12px 0;
}

.meta-badge {
    background: #f1f5f9;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.uni-header-tags { margin: 12px 0; display: flex; gap: 8px; flex-wrap: wrap; }

.uni-website {
    display: inline-block;
    margin-top: 8px;
    font-size: 0.95rem;
}

/* ---- 学校概况 ---- */
.uni-overview {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}
.uni-overview h2 { margin-bottom: 16px; }

.motto {
    background: #fefce8;
    border-left: 4px solid var(--color-star);
    padding: 12px 20px;
    margin-bottom: 16px;
    font-style: italic;
    color: #92400e;
    border-radius: 0 8px 8px 0;
}

.overview-desc { line-height: 1.8; color: var(--color-text-secondary); }

/* ---- Markdown 正文渲染样式 ---- */
.overview-body.markdown-body {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    line-height: 1.8;
}
.markdown-body h1 { font-size: 1.5rem; margin: 24px 0 12px; }
.markdown-body h2 { font-size: 1.3rem; margin: 20px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--color-border); }
.markdown-body h3 { font-size: 1.1rem; margin: 16px 0 8px; }
.markdown-body p { margin-bottom: 12px; }
.markdown-body ul, .markdown-body ol { margin: 8px 0 12px 20px; }
.markdown-body li { margin-bottom: 4px; }
.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 0.9rem;
}
.markdown-body th, .markdown-body td {
    border: 1px solid var(--color-border);
    padding: 8px 12px;
    text-align: left;
}
.markdown-body th { background: #f8fafc; font-weight: 600; }
.markdown-body blockquote {
    border-left: 4px solid var(--color-primary);
    padding: 8px 16px;
    margin: 12px 0;
    background: #f8fafc;
    color: var(--color-text-secondary);
}
.markdown-body code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}
.markdown-body strong { font-weight: 600; }
.markdown-body a { color: var(--color-primary); }

/* ---- 综合评分 ---- */
.rating-overview {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    text-align: center;
}

.rating-number { font-size: 3rem; font-weight: 700; color: var(--color-star); }
.rating-max { font-size: 1.5rem; color: var(--color-text-secondary); }
.rating-label { display: block; margin-top: 4px; color: var(--color-text-secondary); }

/* ---- 评价详情 ---- */
.features-detail { margin-bottom: 32px; }
.features-detail > h2 { margin-bottom: 20px; }

.features-list { display: flex; flex-direction: column; gap: 16px; }

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    transition: box-shadow 0.2s;
}
.feature-card:hover { box-shadow: var(--shadow-sm); }

.feature-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 8px;
}
.feature-header h3 { font-size: 1.1rem; }

.feature-rating {
    display: flex;
    align-items: center;
    gap: 2px;
}
.star { color: #d1d5db; font-size: 1.2rem; }
.star-filled { color: var(--color-star); }
.rating-text { margin-left: 8px; font-size: 0.9rem; color: var(--color-text-secondary); }

.feature-summary {
    color: var(--color-primary);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.feature-content p {
    margin-bottom: 6px;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.feature-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
}

.feature-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.feature-contributor { font-size: 0.85rem; color: var(--color-text-secondary); }

/* ---- 评价分类区块 ---- */
.category-section {
    margin-bottom: 28px;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0 8px;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 16px;
}

.category-name {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text);
}

.category-stats {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.review-item {
    margin-left: 16px;
    border-left: 3px solid var(--color-border);
    padding-left: 20px;
}

/* ---- 提交信息表 ---- */
.commit-info {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 32px;
}
.commit-info h3 { margin-bottom: 16px; }

.commit-table { width: 100%; border-collapse: collapse; }
.commit-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}
.commit-table td:first-child {
    font-weight: 600;
    width: 140px;
    color: var(--color-text-secondary);
}
.commit-table code {
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* ---- 返回首页 ---- */
.back-home {
    text-align: center;
    padding: 24px 0 48px;
}
.back-home a { font-size: 1rem; }

/* ---- 关于 / 贡献指南 ---- */
.about-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 40px;
    margin-bottom: 48px;
    text-align: center;
}

.about-steps {
    display: flex;
    gap: 24px;
    margin: 32px 0;
    flex-wrap: wrap;
    justify-content: center;
}

.step {
    flex: 1;
    min-width: 200px;
    max-width: 280px;
}

.step-number {
    display: inline-flex;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.step h3 { margin-bottom: 8px; font-size: 1rem; }
.step p { font-size: 0.9rem; color: var(--color-text-secondary); }
.step code { background: #f1f5f9; padding: 2px 6px; border-radius: 4px; font-size: 0.85rem; }

.about-note {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ---- 页脚 ---- */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
    margin-top: auto;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.footer-build code {
    background: #f1f5f9;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 6px;
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
    .hero h1 { font-size: 1.8rem; }
    .hero-stats { flex-direction: column; gap: 8px; }
    .uni-grid { grid-template-columns: 1fr; }
    .uni-header { padding: 20px; }
    .uni-header h1 { font-size: 1.5rem; }
    .footer-container { flex-direction: column; text-align: center; }
    .about-steps { flex-direction: column; align-items: center; }
}