/* ========== 美容护肤主题 - 玫瑰红/粉色系 ========== */
:root {
    --primary: #c0392b;
    --primary-light: #e74c3c;
    --primary-dark: #a93226;
    --bg-body: #fdf6f4;
    --bg-card: #ffffff;
    --bg-sidebar: #fef9f8;
    --text-main: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --border: #f0e0dc;
    --radius: 10px;
    --shadow: 0 2px 12px rgba(192,57,43,0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.6; }
a { color: var(--text-main); text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ========== Header ========== */
.site-header { background: #fff; box-shadow: 0 1px 6px rgba(0,0,0,.06); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; height: 60px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 700; color: var(--primary); white-space: nowrap; }
.logo-icon { font-size: 24px; }
.main-nav { display: flex; gap: 4px; flex: 1; justify-content: flex-end; }
.nav-link { padding: 6px 14px; font-size: 14px; color: var(--text-secondary); border-radius: 6px; transition: all .2s; white-space: nowrap; }
.nav-link:hover, .nav-link.active { color: var(--primary); background: #fef0ee; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-form { display: flex; border: 1px solid var(--border); border-radius: 20px; overflow: hidden; }
.search-form input { border: none; padding: 6px 14px; font-size: 13px; width: 160px; outline: none; background: #fef9f8; }
.search-btn { border: none; background: var(--primary); color: #fff; padding: 6px 12px; cursor: pointer; }
.btn-login, .btn-user { font-size: 13px; color: var(--primary); padding: 4px 12px; border: 1px solid var(--primary); border-radius: 20px; white-space: nowrap; }
.mobile-menu-btn { display: none; border: none; background: none; font-size: 20px; cursor: pointer; color: var(--text-main); }

/* ========== Carousel ========== */
.carousel-section { margin-bottom: 30px; }
.carousel { position: relative; height: 420px; overflow: hidden; border-radius: var(--radius); }
.carousel-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity .6s; }
.carousel-slide.active { opacity: 1; }
.carousel-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 40px; background: linear-gradient(transparent, rgba(0,0,0,.7)); color: #fff; }
.carousel-overlay h2 { font-size: 28px; margin-bottom: 8px; }
.carousel-overlay h2 a { color: #fff; }
.carousel-overlay p { font-size: 15px; opacity: .9; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.8); border: none; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; font-size: 16px; color: var(--text-main); }
.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }

/* ========== Section ========== */
.section-block { margin-bottom: 36px; }
.section-header { text-align: center; margin-bottom: 24px; }
.section-title { font-size: 26px; color: var(--primary); }
.section-subtitle { color: var(--text-light); font-size: 15px; margin-top: 6px; }

/* ========== Category Showcase ========== */
.category-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cat-large { grid-row: span 2; }
.cat-card-lg { display: block; height: 100%; min-height: 320px; background-size: cover; background-position: center; border-radius: var(--radius); position: relative; overflow: hidden; }
.cat-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px; background: linear-gradient(transparent, rgba(0,0,0,.6)); color: #fff; }
.cat-overlay h3 { font-size: 22px; }
.cat-overlay p { font-size: 14px; opacity: .85; }
.cat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cat-card-sm { display: flex; align-items: flex-end; padding: 16px; height: 152px; background-size: cover; background-position: center; border-radius: var(--radius); position: relative; overflow: hidden; }
.cat-card-sm::after { content: ''; position: absolute; inset: 0; background: linear-gradient(transparent 40%, rgba(0,0,0,.5)); }
.cat-name { position: relative; z-index: 1; color: #fff; font-size: 16px; font-weight: 600; }

/* ========== Content Layout ========== */
.content-layout { display: grid; grid-template-columns: 1fr; gap: 24px; margin-bottom: 40px; }
.content-layout.with-sidebar-left { grid-template-columns: 280px 1fr; }
.content-title { font-size: 20px; font-weight: 700; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--primary); }
.content-desc { color: var(--text-secondary); margin-bottom: 20px; }

/* ========== Sidebar ========== */
.sidebar { display: flex; flex-direction: column; gap: 20px; }
.sidebar-card { background: var(--bg-card); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.sidebar-title { font-size: 16px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 6px; }
.sidebar-title i { color: var(--primary); }
.hot-list { list-style: none; }
.hot-list li { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid #f5eded; font-size: 14px; }
.hot-list li:last-child { border-bottom: none; }
.hot-rank { display: inline-flex; width: 22px; height: 22px; align-items: center; justify-content: center; border-radius: 4px; font-size: 12px; font-weight: 700; background: #f0e0dc; color: var(--text-light); flex-shrink: 0; }
.hot-rank.rank-top { background: var(--primary); color: #fff; }
.hot-list a { flex: 1; color: var(--text-main); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hot-list a:hover { color: var(--primary); }
.hot-views { font-size: 12px; color: var(--text-light); white-space: nowrap; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-pill { display: inline-block; padding: 4px 14px; background: #fef0ee; color: var(--primary); border-radius: 20px; font-size: 13px; transition: all .2s; }
.tag-pill:hover { background: var(--primary); color: #fff; }

/* ========== Article Grid ========== */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.article-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
.article-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(192,57,43,.12); }
.card-image { display: block; position: relative; height: 180px; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.article-card:hover .card-image img { transform: scale(1.05); }
.card-category { position: absolute; top: 10px; left: 10px; background: var(--primary); color: #fff; padding: 2px 10px; border-radius: 12px; font-size: 12px; }
.card-body { padding: 16px; }
.card-title { font-size: 16px; line-height: 1.4; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-title a:hover { color: var(--primary); }
.card-excerpt { font-size: 13px; color: var(--text-secondary); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12px; color: var(--text-light); }
.card-tag { padding: 1px 8px; background: #fef0ee; color: var(--primary); border-radius: 10px; font-size: 11px; }
.meta-right { margin-left: auto; display: flex; gap: 10px; align-items: center; }

/* ========== Article Detail ========== */
.article-detail { background: var(--bg-card); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.article-title { font-size: 26px; line-height: 1.4; margin-bottom: 16px; }
.article-meta-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; }
.badge-category { background: var(--primary); color: #fff; padding: 3px 12px; border-radius: 12px; font-size: 13px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.article-cover { margin-bottom: 20px; border-radius: var(--radius); overflow: hidden; }
.article-cover img { width: 100%; max-height: 400px; object-fit: cover; }
.article-excerpt-box { background: #fef9f8; border-left: 4px solid var(--primary); padding: 16px 20px; margin-bottom: 24px; border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-secondary); font-size: 15px; line-height: 1.7; }
.article-content { font-size: 16px; line-height: 1.8; color: var(--text-main); }
.article-content h2 { font-size: 20px; margin: 28px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); color: var(--primary-dark); }
.article-content h3 { font-size: 18px; margin: 20px 0 10px; }
.article-content p { margin-bottom: 14px; }
.article-content img { border-radius: var(--radius); margin: 16px 0; }
.article-actions { display: flex; gap: 16px; margin: 30px 0; padding: 20px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.btn-action { display: flex; align-items: center; gap: 8px; padding: 10px 24px; border: 1px solid var(--border); border-radius: 24px; background: #fff; cursor: pointer; font-size: 14px; transition: all .2s; }
.btn-action:hover { border-color: var(--primary); color: var(--primary); }

/* ========== Prev/Next ========== */
.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.pn-link { display: block; padding: 16px; background: var(--bg-sidebar); border-radius: var(--radius); transition: background .2s; }
.pn-link:hover { background: #fef0ee; }
.pn-label { font-size: 13px; color: var(--text-light); display: block; margin-bottom: 4px; }
.pn-title { font-size: 14px; color: var(--text-main); }
.pn-next { text-align: right; }

/* ========== Related ========== */
.related-section { background: var(--bg-card); border-radius: var(--radius); padding: 24px; margin-top: 20px; box-shadow: var(--shadow); }
.related-section h3 { font-size: 18px; margin-bottom: 16px; }
.related-list { display: flex; flex-direction: column; gap: 12px; }
.related-item { display: flex; gap: 12px; padding: 10px; border-radius: 8px; transition: background .2s; }
.related-item:hover { background: var(--bg-sidebar); }
.related-item img { width: 80px; height: 60px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.related-item h4 { font-size: 14px; margin-bottom: 4px; }
.related-item span { font-size: 12px; color: var(--text-light); }

/* ========== Breadcrumb ========== */
.breadcrumb { font-size: 14px; color: var(--text-light); margin-bottom: 20px; padding: 12px 0; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 6px; }

/* ========== Pagination ========== */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 30px; }
.pagination a { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 10px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; font-size: 14px; color: var(--text-secondary); transition: all .2s; }
.pagination a:hover, .pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== Auth ========== */
.auth-container { display: flex; justify-content: center; padding: 60px 20px; }
.auth-card { background: var(--bg-card); border-radius: var(--radius); padding: 40px; width: 100%; max-width: 400px; box-shadow: var(--shadow); }
.auth-card h2 { text-align: center; margin-bottom: 24px; color: var(--primary); }
.auth-card .form-group { margin-bottom: 16px; }
.auth-card .form-group label { display: block; margin-bottom: 6px; font-weight: 500; }
.auth-card .form-group input { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; border: none; padding: 10px 24px; border-radius: 8px; font-size: 15px; cursor: pointer; transition: background .2s; }
.btn-primary:hover { background: var(--primary-dark); }
.alert-danger { background: #fce4e4; color: #c0392b; padding: 10px 16px; border-radius: 8px; margin-bottom: 16px; }

/* ========== Search Box ========== */
.search-box { margin-bottom: 24px; }
.search-box form { display: flex; gap: 10px; }
.search-box input { flex: 1; padding: 10px 16px; border: 2px solid var(--border); border-radius: 8px; font-size: 15px; outline: none; }
.search-box input:focus { border-color: var(--primary); }
.search-box button { background: var(--primary); color: #fff; border: none; padding: 10px 20px; border-radius: 8px; cursor: pointer; font-size: 14px; }

/* ========== Footer ========== */
.site-footer { background: #2c2c2c; color: #ccc; margin-top: 50px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; padding: 40px 0; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 12px; }
.footer-col p { font-size: 13px; line-height: 1.7; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 6px; }
.footer-col ul a { color: #bbb; font-size: 13px; }
.footer-col ul a:hover { color: #fff; }
.footer-bottom { text-align: center; padding: 16px 0; border-top: 1px solid #444; font-size: 13px; color: #888; }

/* ========== Sidebar layout in category ========== */
.content-layout.with-sidebar-left .article-grid { grid-template-columns: repeat(3, 1fr); }

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .header-inner { flex-wrap: wrap; height: auto; padding: 10px 16px; }
    .main-nav { display: none; flex-direction: column; width: 100%; order: 3; }
    .main-nav.show { display: flex; }
    .mobile-menu-btn { display: block; }
    .search-form input { width: 100px; }
    .carousel { height: 240px; }
    .category-showcase { grid-template-columns: 1fr; }
    .cat-grid { grid-template-columns: 1fr 1fr; }
    .content-layout, .content-layout.with-sidebar-left { grid-template-columns: 1fr; }
    .article-grid, .content-layout.with-sidebar-left .article-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .prev-next { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .article-grid, .content-layout.with-sidebar-left .article-grid { grid-template-columns: 1fr; }
}
.carousel-section { margin-top: 20px; }

/* 左侧大图高度与右侧两行小图对齐 */
.category-showcase { align-items: stretch; }
.cat-card-lg { min-height: auto; height: 100%; }
.cat-grid { height: 100%; }

/* 精确对齐：左侧大图 = 右侧2行小图高度 */
.category-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.cat-large { height: calc(152px * 2 + 16px); }
.cat-card-lg { min-height: 100%; height: 100%; }