/* roulang page: index */
:root {
--brand-primary: #0E7C7B;
--brand-secondary: #17A398;
--accent: #F59E0B;
--accent-deep: #D97706;
--bg-body: #F7F6F2;
--bg-card: #FFFFFF;
--bg-soft: #EDF5F4;
--bg-deep: #0B3B3A;
--text-primary: #1A2E35;
--text-secondary: #5B7076;
--border-light: #E5E7E3;
--shadow-card: 0 8px 24px rgba(14,124,123,0.08);
--shadow-hover: 0 14px 34px rgba(14,124,123,0.16);
--radius-lg: 20px;
--radius-md: 12px;
--radius-sm: 8px;
--radius-pill: 999px;
--container-max: 1280px;
--container-pad: 24px;
--gradient-brand: linear-gradient(135deg, #0E7C7B 0%, #17A398 60%, rgba(245,158,11,0.55) 140%);
--transition-base: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans SC', 'Noto Sans SC', sans-serif; background: var(--bg-body); color: var(--text-primary); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
h1 { font-size: 48px; font-weight: 900; }
h2 { font-size: 30px; font-weight: 700; }
h3 { font-size: 20px; font-weight: 600; }
p { margin-bottom: 1em; }
a { color: var(--brand-primary); text-decoration: none; transition: var(--transition-base); }
a:hover { color: var(--brand-secondary); }
img { max-width: 100%; display: block; }
ul, ol { margin-left: 1.2em; margin-bottom: 1em; }
.tabular-nums, .badge-num, .hero-badge strong, .card-meta time, .news-date, .meta-time { font-variant-numeric: tabular-nums; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-pad); }
.section { padding: 90px 0; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; }
.section-header h2 { font-size: 32px; font-weight: 800; letter-spacing: -0.5px; }
.section-sub { color: var(--text-secondary); font-size: 13px; margin: 6px 0 0; }
.section-link { color: var(--brand-primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.section-link:hover { color: var(--accent-deep); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(245, 158, 11, 0.55); outline-offset: 2px; border-radius: 4px; }

/* 按钮 */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 24px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: var(--transition-base); }
.button.primary-btn { background: linear-gradient(135deg, #F59E0B 0%, #F97316 100%); color: #fff; box-shadow: 0 4px 14px rgba(245,158,11,0.25); }
.button.primary-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,158,11,0.35); color: #fff; }
.button.primary-btn:active { transform: translateY(0); }
.button.secondary-btn { background: #fff; color: var(--brand-primary); border: 1px solid var(--brand-primary); }
.button.secondary-btn:hover { background: #E5F0EF; border-color: #0A5E5D; color: var(--brand-primary); transform: translateY(-2px); }
.button.secondary-btn:active { background: #D7E8E6; transform: translateY(0); }
.button.ghost-btn { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.3); backdrop-filter: none; }
.button.ghost-btn:hover { background: rgba(255,255,255,0.22); color: #fff; }
.button.disabled, .button[disabled] { background: #A2B5B2; box-shadow: none; opacity: 0.7; cursor: not-allowed; transform: none; }
.button.outline-btn { background: transparent; color: var(--brand-primary); border: 1px solid var(--brand-primary); }
.button.outline-btn:hover { background: var(--bg-soft); border-color: #0A5E5D; }
.button.load-more-btn { background: transparent; color: var(--brand-primary); border: 1px solid var(--brand-primary); padding: 0 32px; }
.button.load-more-btn:hover { background: var(--bg-soft); }

/* 徽章 */
.badge { display: inline-flex; align-items: center; gap: 4px; background: var(--bg-soft); color: var(--brand-primary); padding: 6px 10px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 600; }
.badge-accent { background: linear-gradient(135deg, #F59E0B, #F97316); color: #fff; padding: 6px 12px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 700; box-shadow: 0 2px 8px rgba(245,158,11,0.3); }
.badge-num { font-variant-numeric: tabular-nums; font-weight: 700; }

/* Header */
.site-header { position: relative; z-index: 100; }
.toolbar { background: #fff; border-bottom: 1px solid var(--border-light); }
.toolbar-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; flex-shrink: 0; }
.brand-name { font-size: 22px; font-weight: 800; color: var(--text-primary); letter-spacing: 1px; }
.toolbar-right { display: flex; align-items: center; gap: 16px; }
.header-search { display: flex; align-items: center; background: var(--bg-soft); border-radius: var(--radius-pill); padding: 0 16px; height: 40px; width: 280px; border: 1px solid transparent; transition: var(--transition-base); }
.header-search i { color: var(--text-secondary); font-size: 14px; margin-right: 8px; }
.header-search input { border: none; background: transparent; outline: none; font-size: 14px; width: 100%; color: var(--text-primary); }
.header-search input::placeholder { color: #8A9A9E; }
.header-search:focus-within { border-color: var(--brand-primary); box-shadow: 0 0 0 3px rgba(14,124,123,0.12); background: #fff; }
.favorite-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--text-primary); padding: 8px 14px; border-radius: var(--radius-pill); border: 1px solid var(--border-light); background: #fff; transition: var(--transition-base); }
.favorite-btn:hover { color: var(--accent-deep); border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(245,158,11,0.15); }
.favorite-btn i { color: var(--accent); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 10px; cursor: pointer; border-radius: 8px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition-base); }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.channel-nav { background: #fff; border-bottom: 1px solid var(--border-light); position: sticky; top: 0; z-index: 99; transition: box-shadow 0.3s ease; }
.channel-nav.scrolled { box-shadow: 0 4px 16px rgba(14,124,123,0.08); }
.nav-list { display: flex; align-items: center; list-style: none; margin: 0; gap: 4px; height: 56px; }
.nav-list li { margin: 0; }
.nav-list a { display: inline-flex; align-items: center; padding: 10px 20px; font-size: 15px; font-weight: 600; color: var(--text-secondary); border-radius: var(--radius-pill); transition: var(--transition-base); }
.nav-list a:hover { color: var(--brand-primary); background: var(--bg-soft); }
.nav-list a.active { color: var(--accent-deep); background: #FFF7E8; }

.mobile-drawer { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: #fff; z-index: 1000; padding: 20px; overflow-y: auto; }
.mobile-drawer.open { display: block; }
.drawer-search { display: flex; align-items: center; background: var(--bg-soft); border-radius: var(--radius-pill); padding: 0 16px; height: 44px; border: 1px solid transparent; margin-bottom: 24px; }
.drawer-search i { color: var(--text-secondary); margin-right: 8px; }
.drawer-search input { border: none; background: transparent; outline: none; font-size: 15px; width: 100%; }
.drawer-nav { list-style: none; margin: 0; }
.drawer-nav li { margin: 0; }
.drawer-nav a { display: block; padding: 16px 4px; font-size: 18px; font-weight: 600; color: var(--text-primary); border-bottom: 1px solid var(--border-light); }
.drawer-nav a.active { color: var(--brand-primary); background: var(--bg-soft); border-radius: 8px; padding-left: 12px; }
.drawer-cta { margin-top: 24px; width: 100%; }

/* Hero */
.hero-section { background: var(--gradient-brand); position: relative; overflow: hidden; padding: 80px 0 100px; }
.hero-section::before { content: ''; position: absolute; top: 0; right: 0; width: 55%; height: 100%; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; opacity: 0.15; }
.hero-section .container { position: relative; z-index: 2; }
.hero-content { max-width: 640px; }
.hero-title { font-size: 48px; font-weight: 900; color: #fff; line-height: 1.18; letter-spacing: -0.5px; margin-bottom: 20px; }
.hero-title .hero-sub-line { display: block; font-size: 32px; font-weight: 800; margin-top: 8px; color: rgba(255,255,255,0.92); }
.hero-subtitle { font-size: 18px; line-height: 1.7; color: rgba(255,255,255,0.84); margin-bottom: 32px; max-width: 560px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }
.hero-badges { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-badge { background: rgba(255,255,255,0.12); border-radius: 12px; padding: 12px 18px; display: flex; flex-direction: column; min-width: 110px; }
.hero-badge strong { font-size: 24px; font-weight: 800; color: #fff; line-height: 1.2; font-variant-numeric: tabular-nums; }
.hero-badge span { font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 2px; }
.hero-scroll { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,0.5); font-size: 18px; animation: hero-scroll-bounce 2s infinite; border: none; background: none; cursor: pointer; }
@keyframes hero-scroll-bounce { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* 合集目录 */
.catalog-section { padding-top: 80px; }
.catalog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.catalog-card { position: relative; height: 220px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); text-decoration: none; display: block; transition: var(--transition-base); }
.catalog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.catalog-card .catalog-cover { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.catalog-card:hover .catalog-cover { transform: scale(1.04); }
.catalog-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,59,58,0.2) 0%, rgba(11,59,58,0.85) 100%); z-index: 1; transition: background 0.4s ease; }
.catalog-card:hover .catalog-overlay { background: linear-gradient(180deg, rgba(11,59,58,0.3) 0%, rgba(11,59,58,0.92) 100%); }
.catalog-info { position: absolute; bottom: 0; left: 0; right: 0; z-index: 2; padding: 20px; }
.catalog-name { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.catalog-link-text { font-size: 14px; color: rgba(255,255,255,0.85); display: inline-flex; align-items: center; gap: 4px; transition: gap 0.3s ease; }
.catalog-card:hover .catalog-link-text { gap: 8px; }
.catalog-badge { position: absolute; top: 16px; right: 16px; z-index: 2; background: linear-gradient(135deg, #F59E0B, #F97316); color: #fff; border-radius: var(--radius-pill); font-size: 13px; font-weight: 700; padding: 4px 12px; box-shadow: 0 2px 8px rgba(245,158,11,0.3); }
.catalog-cover-fallback { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: #DFF0EF; color: var(--brand-primary); font-size: 40px; z-index: 0; }

/* 精选条目 */
.featured-section { background: var(--bg-body); }
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); overflow: hidden; transition: var(--transition-base); display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-cover-img { position: relative; width: 100%; aspect-ratio: 16/9; overflow: hidden; background: #DFF0EF; }
.card-cover-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-cover-img img { transform: scale(1.04); }
.card-cover-img .img-fallback-icon { display: none; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 32px; color: var(--brand-primary); opacity: 0.5; }
.card-cover-img.img-fallback .img-fallback-icon { display: block; }
.card-cover-img.img-fallback img { display: none; }
.card-badge { position: absolute; top: 12px; right: 12px; background: rgba(255,255,255,0.92); color: var(--brand-primary); border-radius: var(--radius-pill); font-size: 12px; font-weight: 700; padding: 4px 10px; border: 2px solid #fff; backdrop-filter: none; }
.card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.card-tag { display: inline-flex; align-items: center; background: var(--bg-soft); color: var(--brand-primary); font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: var(--radius-pill); margin-bottom: 10px; align-self: flex-start; }
.card-title { font-size: 18px; font-weight: 700; line-height: 1.45; margin-bottom: 8px; color: var(--text-primary); }
.card-title a { color: inherit; }
.card-title a:hover { color: var(--brand-primary); }
.card-title.two-line { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-summary { font-size: 14px; line-height: 1.7; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; flex: 1; }
.card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-secondary); border-top: 1px solid var(--border-light); padding-top: 12px; }
.card-meta .meta-category { display: inline-flex; align-items: center; gap: 4px; }
.card-meta a { color: var(--brand-primary); font-weight: 600; }
.card-meta a:hover { color: var(--accent-deep); }

/* 最新信息 */
.news-section { background: var(--bg-body); padding-top: 0; }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-row { display: flex; align-items: center; background: #fff; border-radius: var(--radius-md); padding: 16px; box-shadow: var(--shadow-card); transition: var(--transition-base); gap: 16px; }
.news-row:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.news-thumb { flex-shrink: 0; width: 160px; height: 100px; border-radius: 8px; overflow: hidden; background: #DFF0EF; position: relative; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-thumb .img-fallback-icon { display: none; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 24px; color: var(--brand-primary); opacity: 0.5; }
.news-thumb.img-fallback .img-fallback-icon { display: block; }
.news-thumb.img-fallback img { display: none; }
.news-content { flex: 1; min-width: 0; }
.news-title { font-size: 17px; font-weight: 600; line-height: 1.4; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-title a { color: var(--text-primary); }
.news-title a:hover { color: var(--brand-primary); }
.news-summary { font-size: 14px; line-height: 1.6; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-secondary); }
.news-meta .tag { display: inline-flex; align-items: center; background: var(--bg-soft); color: var(--brand-primary); padding: 2px 8px; border-radius: var(--radius-pill); font-weight: 600; }
.news-meta a { color: var(--brand-primary); font-weight: 600; }
.news-meta a:hover { color: var(--accent-deep); }
.news-load-more { display: flex; justify-content: center; margin-top: 28px; }

/* 空态 */
.empty-state { border: 2px dashed var(--border-light); border-radius: var(--radius-lg); padding: 48px 24px; text-align: center; background: #fff; }
.empty-state .empty-icon { font-size: 48px; color: var(--brand-secondary); opacity: 0.4; margin-bottom: 16px; }
.empty-state h4 { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.empty-state p { font-size: 14px; color: var(--text-secondary); margin-bottom: 20px; }

/* 相关推荐 */
.recommend-section { background: var(--bg-card); }
.recommend-scroll { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; scrollbar-width: thin; scrollbar-color: #CFE3E1 transparent; }
.recommend-scroll::-webkit-scrollbar { height: 6px; }
.recommend-scroll::-webkit-scrollbar-track { background: transparent; }
.recommend-scroll::-webkit-scrollbar-thumb { background: #CFE3E1; border-radius: 3px; }
.recommend-card { flex: 0 0 260px; scroll-snap-align: start; background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-card); overflow: hidden; transition: var(--transition-base); }
.recommend-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.recommend-card .card-cover-img { aspect-ratio: 16/9; }
.recommend-card .card-body { padding: 16px; }
.recommend-card .card-title { font-size: 15px; -webkit-line-clamp: 2; line-clamp: 2; }
.recommend-actions { display: flex; align-items: center; gap: 8px; }
.scroll-btn { width: 40px; height: 40px; border-radius: 50%; background: #fff; border: 1px solid var(--border-light); box-shadow: 0 2px 8px rgba(14,124,123,0.06); color: var(--brand-primary); display: inline-flex; align-items: center; justify-content: center; font-size: 14px; cursor: pointer; transition: var(--transition-base); }
.scroll-btn:hover { background: var(--bg-soft); color: var(--brand-primary); border-color: var(--brand-primary); transform: scale(1.05); }
.scroll-btn:active { transform: scale(0.95); }

/* CTA */
.cta-section { padding-top: 0; }
.cta-card { background: var(--gradient-brand); border-radius: var(--radius-lg); padding: 56px 24px; text-align: center; position: relative; overflow: hidden; }
.cta-card::before, .cta-card::after { content: ''; position: absolute; border-radius: 50%; background: rgba(255,255,255,0.08); }
.cta-card::before { width: 180px; height: 180px; top: -60px; right: -60px; }
.cta-card::after { width: 120px; height: 120px; bottom: -40px; left: -40px; background: rgba(255,255,255,0.06); }
.cta-card .cta-inner { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
.cta-title { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-desc { font-size: 16px; color: rgba(255,255,255,0.85); margin-bottom: 28px; line-height: 1.7; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }

/* Footer */
.site-footer { background: var(--bg-deep); border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding-top: 60px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { color: #B8D3D1; font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 300px; }
.footer-col-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-links ul, .footer-contact ul { list-style: none; margin: 0; }
.footer-links li, .footer-contact li { margin-bottom: 10px; }
.footer-links a { color: #B8D3D1; font-size: 14px; }
.footer-links a:hover { color: var(--accent); text-decoration: underline; }
.footer-contact p, .footer-contact li { color: #B8D3D1; font-size: 14px; margin-bottom: 10px; line-height: 1.6; }
.footer-social { display: flex; gap: 12px; margin-top: 12px; }
.footer-social .social-icon { width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.1); color: #B8D3D1; font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 18px 0; color: #94B8B7; font-size: 12px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { margin: 0; }
.footer-bottom .footer-icp { margin-left: 16px; }

/* 卡片占位背景 */
.img-placeholder { background: #DFF0EF; display: flex; align-items: center; justify-content: center; color: var(--brand-primary); font-size: 36px; }

/* 响应式 */
@media (max-width: 1024px) {
.hero-title { font-size: 40px; }
.hero-title .hero-sub-line { font-size: 26px; }
.section { padding: 72px 0; }
.catalog-grid { grid-template-columns: repeat(2, 1fr); }
.featured-grid { grid-template-columns: repeat(2, 1fr); }
.footer-grid { grid-template-columns: 1fr 1fr; }
.hero-section::before { width: 40%; }
}
@media (max-width: 768px) {
.toolbar .header-search, .toolbar .favorite-btn { display: none; }
.menu-toggle { display: flex; }
.channel-nav .nav-list { display: none; }
.mobile-drawer { display: none; }
.mobile-drawer.open { display: block; }
.hero-section { padding: 50px 0 80px; }
.hero-title { font-size: 32px; }
.hero-title .hero-sub-line { font-size: 20px; }
.hero-subtitle { font-size: 16px; }
.hero-badges { gap: 10px; }
.hero-badge { flex-direction: row; align-items: center; gap: 8px; min-width: auto; padding: 10px 14px; }
.hero-badge strong { font-size: 18px; }
.hero-badge span { font-size: 12px; margin-top: 0; }
.catalog-grid { grid-template-columns: 1fr; }
.featured-grid { grid-template-columns: 1fr; }
.section { padding: 56px 0; }
.section-header h2 { font-size: 26px; }
.news-row { flex-direction: column; align-items: flex-start; }
.news-thumb { width: 100%; height: auto; aspect-ratio: 16/7; }
.news-thumb img { width: 100%; height: 100%; }
.news-title { white-space: normal; }
.recommend-scroll { gap: 12px; }
.recommend-card { flex-basis: 220px; }
.cta-card { padding: 40px 20px; }
.cta-title { font-size: 24px; }
.footer-grid { grid-template-columns: 1fr; gap: 28px; }
.footer-bottom { flex-direction: column; text-align: center; }
.footer-bottom .footer-icp { margin-left: 0; }
.hero-scroll { display: none; }
}
@media (max-width: 520px) {
.container { padding: 0 16px; }
.hero-section { padding: 40px 0 60px; }
.hero-title { font-size: 28px; }
.hero-title .hero-sub-line { font-size: 18px; }
.hero-cta { flex-direction: column; width: 100%; }
.hero-cta .button { width: 100%; }
.hero-badges { flex-direction: column; }
.hero-badge { width: 100%; justify-content: space-between; }
.catalog-grid { grid-template-columns: 1fr; }
.catalog-card { height: 180px; }
.featured-grid { grid-template-columns: 1fr; }
.card-body { padding: 16px; }
.card-title { font-size: 16px; }
.cta-actions { flex-direction: column; width: 100%; }
.cta-actions .button { width: 100%; }
.section { padding: 48px 0; }
.section-header { flex-direction: column; align-items: flex-start; gap: 8px; }
.section-header .section-link { margin-top: 0; }
}

/* roulang page: category1 */
:root {
  --brand-primary: #0E7C7B;
  --brand-secondary: #17A398;
  --accent: #F59E0B;
  --accent-deep: #D97706;
  --bg-body: #F7F6F2;
  --bg-card: #FFFFFF;
  --bg-soft: #EDF5F4;
  --bg-deep: #0B3B3A;
  --text-primary: #1A2E35;
  --text-secondary: #5B7076;
  --border-light: #E5E7E3;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(14,124,123,0.08);
  --shadow-hover: 0 14px 34px rgba(14,124,123,0.16);
  --gradient-brand: linear-gradient(135deg, #0E7C7B 0%, #17A398 60%, rgba(245,158,11,0.55) 140%);
  --gradient-accent: linear-gradient(#F59E0B 0%, #F97316 100%);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, p, ul, ol, figure {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

img {
  max-width: 100%;
  display: block;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

.container {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.grid-x {
  flex-wrap: wrap;
}

.grid-margin-x {
  margin-left: -12px;
  margin-right: -12px;
}

.grid-margin-x > .cell {
  padding-left: 12px;
  padding-right: 12px;
}

.focus-visible:focus-visible {
  outline: 3px solid rgba(245, 158, 11, .55);
  outline-offset: 2px;
  border-radius: 6px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(245, 158, 11, .55);
  outline-offset: 2px;
}

/* ===== Header ===== */
.site-header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.brand-mark svg {
  width: 40px;
  height: 40px;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--brand-primary);
  letter-spacing: 1px;
  white-space: nowrap;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-form {
  display: flex;
  align-items: center;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 4px 4px 4px 16px;
  height: 42px;
  width: 320px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.search-form:focus-within {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(14,124,123,.12);
}

.search-form i {
  color: var(--text-secondary);
  font-size: 14px;
  margin-right: 10px;
}

.search-form input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  font-size: 14px;
  outline: none;
  padding: 0;
  color: var(--text-primary);
}

.search-form input::placeholder {
  color: #9AA8A5;
}

.search-form button {
  background: var(--brand-primary);
  color: #fff;
  border-radius: 999px;
  height: 32px;
  padding: 0 18px;
  font-size: 13px;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}

.search-form button:hover {
  background: var(--brand-secondary);
  transform: translateY(-1px);
}

.favorite-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-primary);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--brand-primary);
  border-radius: 999px;
  padding: 6px 14px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.favorite-btn:hover {
  background: var(--bg-soft);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  font-size: 24px;
  color: var(--brand-primary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  transition: background .2s ease;
}

.nav-toggle:hover {
  background: var(--bg-soft);
}

/* ===== Channel Nav ===== */
.channel-nav {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 40;
  transition: box-shadow .3s ease;
}

.channel-nav.is-scrolled {
  box-shadow: 0 6px 18px rgba(14,124,123,.07);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
  flex-wrap: nowrap;
}

.nav-list li a {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  border-radius: 999px;
  transition: background .2s ease, color .2s ease;
  white-space: nowrap;
}

.nav-list li a:hover {
  color: var(--brand-primary);
  background: var(--bg-soft);
}

.nav-list li a.active {
  color: var(--accent-deep);
  background: var(--bg-soft);
  font-weight: 700;
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(255,255,255,.98) 0%, rgba(245,246,244,.88) 50%, rgba(237,245,244,.92) 100%), url('/assets/images/backpic/back-1.png') no-repeat right center / cover;
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border-light);
}

.category-hero-content {
  max-width: 740px;
}

.category-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-soft);
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 18px;
}

.category-hero h1 {
  font-size: 38px;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.category-hero .category-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 640px;
}

/* ===== Stat Band ===== */
.stat-band {
  padding: 32px 0 8px;
  position: relative;
  z-index: 2;
}

.stat-band .stat-inner {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}

.stat-item {
  text-align: center;
  flex: 1;
  min-width: 120px;
}

.stat-item .stat-num {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: var(--brand-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
}

.stat-item .stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== Week Focus ===== */
.focus-section {
  padding: 48px 0 16px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: .5px;
}

.section-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.section-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-primary);
  white-space: nowrap;
}

.section-link i {
  margin-left: 4px;
  transition: transform .2s ease;
}

.section-link:hover i {
  transform: translateX(4px);
}

.focus-list {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.focus-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  transition: background .2s ease;
}

.focus-item:last-child {
  border-bottom: none;
}

.focus-item:hover {
  background: #FAFBF9;
}

.focus-date {
  flex-shrink: 0;
  text-align: center;
  width: 88px;
  padding: 8px 0;
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  color: var(--brand-primary);
}

.focus-date .day {
  display: block;
  font-size: 22px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.focus-date .month {
  display: block;
  font-size: 12px;
  line-height: 1.4;
}

.focus-main {
  flex: 1;
  min-width: 0;
}

.focus-main h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 4px;
}

.focus-main p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.focus-arrow {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-soft);
  color: var(--brand-primary);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.focus-item:hover .focus-arrow {
  background: var(--brand-primary);
  color: #fff;
  transform: translateX(4px);
}

/* ===== Content Grid ===== */
.content-grid-section {
  padding: 56px 0 16px;
}

.content-card-grid {
  row-gap: 24px;
}

.content-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  padding: 12px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s ease, transform .25s ease;
}

.content-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.card-thumb {
  position: relative;
  height: 160px;
  border-radius: var(--radius-md);
  background-color: #DFF0EF;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.card-thumb .thumb-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: rgba(14,124,123,.35);
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--gradient-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
  border: 2px solid #fff;
}

.card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px 8px 8px;
}

.card-category {
  display: inline-flex;
  align-self: flex-start;
  background: var(--bg-soft);
  color: var(--brand-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s ease;
}

.content-card:hover .card-title {
  color: var(--brand-primary);
}

.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
  margin-bottom: 4px;
  font-size: 12px;
  color: #8A9C9A;
  font-variant-numeric: tabular-nums;
}

.card-readmore {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-primary);
}

.card-readmore i {
  margin-left: 4px;
  transition: transform .2s ease;
}

.content-card:hover .card-readmore i {
  transform: translateX(4px);
}

/* ===== Pagination ===== */
.pagination-wrap {
  padding: 40px 0 10px;
  text-align: center;
}

.pagination {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: #fff;
  border: 1px solid var(--border-light);
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

.page-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: var(--bg-soft);
}

.page-btn.current {
  background: var(--gradient-accent);
  color: #fff;
  border-color: transparent;
  font-weight: 700;
}

.page-btn.disabled {
  background: #F0F2F0;
  color: #A8B7B5;
  border-color: #E5E9E6;
  cursor: not-allowed;
  pointer-events: none;
}

.page-btn.prev-next {
  min-width: 44px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 56px 0 20px;
}

.faq-accordion .accordion-item {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.faq-accordion .accordion-item:hover {
  box-shadow: var(--shadow-hover);
}

.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: color .2s ease;
}

.accordion-title:hover {
  color: var(--brand-primary);
}

.accordion-title i {
  color: var(--brand-primary);
  transition: transform .3s ease;
}

.accordion-item.is-active .accordion-title i {
  transform: rotate(180deg);
}

.accordion-content-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.accordion-item.is-active {
  border-color: var(--brand-primary);
}

/* ===== CTA ===== */
.cta-section {
  padding: 48px 0 16px;
}

.cta-card {
  position: relative;
  background: var(--gradient-brand);
  border-radius: var(--radius-lg);
  padding: 56px 24px;
  text-align: center;
  overflow: hidden;
}

.cta-card::before,
.cta-card::after {
  content: '';
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}

.cta-card::before {
  top: -80px;
  right: -60px;
}

.cta-card::after {
  bottom: -90px;
  left: -60px;
}

.cta-card h2 {
  position: relative;
  z-index: 1;
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.cta-card p {
  position: relative;
  z-index: 1;
  font-size: 16px;
  color: rgba(255,255,255,.85);
  margin-bottom: 28px;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}

.btn-accent {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 10px 22px rgba(245,158,11,.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(245,158,11,.4);
}

.btn-accent:active {
  transform: translateY(0);
}

.btn-white-outline {
  background: rgba(255,255,255,.16);
  color: #fff;
  border: 1px solid rgba(255,255,255,.6);
}

.btn-white-outline:hover {
  background: rgba(255,255,255,.28);
  transform: translateY(-2px);
}

.btn-white-outline:active {
  transform: translateY(0);
}

/* ===== Back Home ===== */
.back-home {
  padding: 32px 0 48px;
  text-align: center;
}

.back-home a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-primary);
  font-size: 15px;
  font-weight: 600;
}

.back-home a i {
  transition: transform .2s ease;
}

.back-home a:hover i {
  transform: translateX(-4px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-radius: 20px 20px 0 0;
  color: #B8D3D1;
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-brand .brand-logo {
  margin-bottom: 16px;
}

.footer-brand .brand-mark svg {
  width: 36px;
  height: 36px;
}

.footer-brand .brand-name {
  color: #fff;
  font-size: 20px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(184, 211, 209, .75);
  max-width: 280px;
}

.footer-col-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links ul li a {
  font-size: 14px;
  color: rgba(184, 211, 209, .85);
  transition: color .2s ease;
}

.footer-links ul li a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-contact p {
  font-size: 14px;
  color: rgba(184, 211, 209, .8);
  margin-bottom: 8px;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.08);
  color: #B8D3D1;
  font-size: 16px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
  cursor: default;
}

.social-icon:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: #94B8B7;
}

.footer-bottom a {
  color: #94B8B7;
}

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

/* ===== Mobile Nav Drawer ===== */
.mobile-search {
  display: none;
}

@media screen and (max-width: 1023px) {
  .header-tools .search-form,
  .header-tools .favorite-btn {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-search {
    display: block;
    padding: 16px 24px 8px;
  }

  .mobile-search .search-form {
    width: 100%;
  }

  .channel-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    z-index: 60;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .3s ease, visibility .3s ease, transform .3s ease;
    overflow-y: auto;
    border-bottom: none;
  }

  .channel-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .channel-nav .container {
    padding: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
  }

  .nav-list li a {
    width: 100%;
    font-size: 18px;
    line-height: 56px;
    padding: 0 16px;
    border-radius: 12px;
  }

  .nav-list li a.active {
    background: var(--bg-soft);
    color: var(--accent-deep);
  }
}

@media screen and (max-width: 767px) {
  .header-inner {
    min-height: 64px;
  }

  .brand-name {
    font-size: 19px;
  }

  .category-hero {
    padding: 40px 0 36px;
  }

  .category-hero h1 {
    font-size: 30px;
  }

  .category-hero .category-desc {
    font-size: 14px;
  }

  .stat-band .stat-inner {
    padding: 20px 12px;
    gap: 8px;
  }

  .stat-item .stat-num {
    font-size: 24px;
  }

  .section-title {
    font-size: 24px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .focus-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 18px;
  }

  .focus-date {
    width: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
  }

  .focus-date .day {
    font-size: 16px;
  }

  .focus-arrow {
    display: none;
  }

  .content-grid-section {
    padding: 40px 0 8px;
  }

  .card-thumb {
    height: 140px;
  }

  .cta-card {
    padding: 40px 18px;
  }

  .cta-card h2 {
    font-size: 24px;
  }

  .cta-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media screen and (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-mark svg {
    width: 34px;
    height: 34px;
  }

  .brand-name {
    font-size: 17px;
  }

  .category-hero h1 {
    font-size: 26px;
  }

  .stat-inner {
    flex-direction: column;
    gap: 14px !important;
  }

  .stat-item {
    min-width: auto;
  }

  .content-card-grid .cell {
    padding-left: 6px;
    padding-right: 6px;
  }

  .grid-margin-x {
    margin-left: -6px;
    margin-right: -6px;
  }

  .card-title {
    font-size: 16px;
  }

  .card-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

/* roulang page: article */
:root {
  --brand-primary: #0E7C7B;
  --brand-secondary: #17A398;
  --accent: #F59E0B;
  --accent-deep: #D97706;
  --bg-body: #F7F6F2;
  --bg-card: #FFFFFF;
  --bg-soft: #EDF5F4;
  --bg-deep: #0B3B3A;
  --text-primary: #1A2E35;
  --text-secondary: #5B7076;
  --border-light: #E5E7E3;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(14, 124, 123, 0.08);
  --shadow-hover: 0 14px 34px rgba(14, 124, 123, 0.16);
  --gradient-brand: linear-gradient(135deg, #0E7C7B 0%, #17A398 60%, rgba(245, 158, 11, 0.55) 140%);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.reading-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent), #F97316);
  z-index: 1200;
}

.site-header { background: #fff; position: relative; z-index: 1100; }
.toolbar { background: #fff; border-bottom: 1px solid var(--border-light); }
.toolbar-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { display: flex; align-items: center; justify-content: center; }
.brand-name { font-size: 22px; font-weight: 800; color: var(--text-primary); letter-spacing: 0.5px; }
.toolbar-actions { display: flex; align-items: center; gap: 14px; flex: 1; justify-content: flex-end; }
.search-box {
  display: flex; align-items: center; gap: 10px; background: var(--bg-body);
  border: 1px solid var(--border-light); border-radius: 999px; padding: 0 16px; height: 40px; width: 280px;
  transition: all 0.2s ease;
}
.search-box:focus-within { background: #fff; border-color: var(--brand-primary); box-shadow: 0 0 0 3px rgba(14, 124, 123, 0.12); }
.search-box i { color: var(--text-secondary); font-size: 14px; }
.search-box input { border: none; outline: none; background: transparent; flex: 1; font-size: 14px; color: var(--text-primary); }
.btn-favorite { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--brand-primary); padding: 8px 14px; border-radius: 999px; transition: all 0.2s ease; }
.btn-favorite:hover { background: var(--bg-soft); }
.hamburger { display: none; flex-direction: column; gap: 5px; width: 32px; height: 32px; align-items: center; justify-content: center; border-radius: 8px; }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s ease; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.channel-nav {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  position: sticky; top: 0; z-index: 1000;
  transition: box-shadow 0.2s ease;
}
.channel-nav.scrolled { box-shadow: 0 6px 20px rgba(14, 124, 123, 0.08); }
.nav-list { display: flex; align-items: center; gap: 4px; height: 52px; }
.nav-list li a {
  display: inline-flex; align-items: center; padding: 10px 18px; border-radius: 999px;
  font-size: 15px; font-weight: 600; color: var(--text-primary); transition: all 0.2s ease;
}
.nav-list li a:hover { background: var(--bg-soft); color: var(--brand-primary); }
.nav-list li a.active { background: var(--bg-soft); color: var(--accent-deep); font-weight: 700; }

.mobile-drawer {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: #fff; z-index: 1090; padding: 90px 24px 24px;
  transform: translateX(100%); transition: transform 0.3s ease; overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-search { display: flex; align-items: center; gap: 10px; background: var(--bg-body); border-radius: 999px; padding: 0 16px; height: 46px; margin-bottom: 24px; }
.drawer-search input { border: none; outline: none; background: transparent; flex: 1; font-size: 15px; }
.drawer-search i { color: var(--text-secondary); }
.drawer-nav li a { display: block; font-size: 18px; font-weight: 600; padding: 14px 16px; border-radius: 12px; color: var(--text-primary); }
.drawer-nav li a.active { background: var(--bg-soft); color: var(--accent-deep); }

.breadcrumb-wrap { padding-top: 28px; }
.breadcrumb-list { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--text-secondary); }
.breadcrumb-list li { display: flex; align-items: center; gap: 6px; }
.breadcrumb-list li + li::before { content: "/"; color: #C0CDCA; }
.breadcrumb-list a:hover { color: var(--brand-primary); }
.breadcrumb-list .current { color: var(--text-secondary); max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.article-header { padding: 40px 0 8px; text-align: center; }
.article-title {
  font-size: 38px; font-weight: 800; line-height: 1.35; color: var(--text-primary);
  max-width: 860px; margin: 0 auto;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-meta { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 18px; margin-top: 20px; font-size: 13px; color: var(--text-secondary); }
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-category { display: inline-flex; align-items: center; gap: 6px; background: var(--bg-soft); color: var(--brand-primary); padding: 4px 12px; border-radius: 999px; font-weight: 600; }
.article-meta .meta-category:hover { background: var(--brand-primary); color: #fff; }
.article-meta .meta-views { display: inline-flex; align-items: center; gap: 6px; }

.article-feature { max-width: 920px; margin: 32px auto 0; border-radius: 16px; overflow: hidden; background: #DFF0EF; }
.article-feature img { width: 100%; height: 320px; object-fit: cover; }

.article-section { padding: 48px 0 20px; }
.article-container { max-width: 780px; }
.article-content { font-size: 17px; line-height: 1.9; color: var(--text-primary); }
.article-content p { margin-bottom: 24px; }
.article-content h2 {
  font-size: 24px; font-weight: 700; color: var(--text-primary);
  border-left: 4px solid var(--accent); padding-left: 12px;
  margin: 44px 0 20px; line-height: 1.4;
}
.article-content h3 { font-size: 20px; font-weight: 700; color: var(--brand-primary); margin: 32px 0 16px; }
.article-content blockquote {
  background: var(--bg-soft); border-left: 4px solid var(--brand-primary);
  border-radius: 8px; padding: 16px 20px; margin: 24px 0; color: var(--text-secondary);
}
.article-content ul { margin-bottom: 24px; }
.article-content ul li { position: relative; padding-left: 24px; margin-bottom: 10px; }
.article-content ul li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--brand-primary); }
.article-content ol { counter-reset: article-ol; margin-bottom: 24px; }
.article-content ol li { counter-increment: article-ol; position: relative; padding-left: 32px; margin-bottom: 10px; }
.article-content ol li::before { content: counter(article-ol); position: absolute; left: 0; top: 0; font-weight: 800; color: var(--brand-primary); font-size: 16px; }
.article-content table { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--border-light); border-radius: 8px; overflow: hidden; margin: 24px 0; font-size: 14px; }
.article-content table th { background: #E5F0EF; font-weight: 700; padding: 12px; text-align: left; }
.article-content table td { padding: 12px; border-top: 1px solid var(--border-light); }
.article-content table tr:nth-child(odd) td { background: #F8FAF9; }
.article-content table tr:hover td { background: #FEF7E7; }
.article-content code { background: #E9ECEA; border-radius: 4px; padding: 2px 6px; font-size: 14px; }
.article-content pre { background: var(--bg-deep); color: #fff; border-radius: 12px; padding: 20px; overflow-x: auto; margin: 24px 0; }
.article-content pre code { background: transparent; color: inherit; padding: 0; }
.article-content img { border-radius: 12px; margin: 24px auto; background: #DFF0EF; min-height: 100px; }

.article-empty {
  text-align: center; padding: 80px 24px; background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow); margin: 40px auto;
}
.empty-icon { font-size: 48px; color: var(--brand-primary); margin-bottom: 20px; }
.article-empty h2 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
.article-empty p { color: var(--text-secondary); margin-bottom: 24px; }

.article-bottom { max-width: 780px; margin: 24px auto; padding-top: 24px; border-top: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item { display: inline-block; padding: 6px 14px; border-radius: 999px; background: var(--bg-soft); color: var(--brand-primary); font-size: 13px; font-weight: 600; transition: all 0.2s ease; }
.tag-item:hover { background: var(--accent); color: #fff; }
.share-row { display: flex; align-items: center; gap: 10px; }
.share-label { font-size: 13px; color: var(--text-secondary); }
.social-icon {
  display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px;
  border-radius: 50%; background: var(--bg-soft); color: var(--brand-primary); font-size: 15px; transition: all 0.2s ease;
}
.social-icon:hover { background: var(--brand-primary); color: #fff; transform: translateY(-2px); }
.back-wrap { max-width: 780px; margin: 20px auto 40px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--brand-primary); }
.back-link:hover { color: var(--accent-deep); text-decoration: underline; }

.related-section { padding: 70px 0 30px; }
.section-title { font-size: 30px; font-weight: 800; color: var(--text-primary); margin-bottom: 30px; position: relative; display: inline-block; }
.section-title::after { content: ""; display: block; width: 42px; height: 4px; border-radius: 2px; background: var(--accent); margin-top: 8px; }
.related-card { margin-bottom: 24px; }
.related-card-inner {
  display: block; background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow); transition: all 0.3s ease; height: 100%;
}
.related-card-inner:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-thumb { height: 140px; background-size: cover; background-position: center; background-color: #DFF0EF; }
.related-body { padding: 20px; }
.related-body .badge { display: inline-block; padding: 4px 10px; border-radius: 999px; background: var(--bg-soft); color: var(--brand-primary); font-size: 12px; font-weight: 600; margin-bottom: 10px; }
.related-body h3 { font-size: 17px; font-weight: 700; color: var(--text-primary); line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.faq-section { padding: 50px 0; }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-list .accordion-item {
  background: #fff; border-radius: 12px; box-shadow: var(--shadow); margin-bottom: 16px;
  border: 1px solid transparent; transition: all 0.2s ease; overflow: hidden;
}
.faq-list .accordion-item.is-active { border-color: var(--brand-primary); }
.faq-list .accordion-title {
  background: transparent; border: none; padding: 20px 24px; font-size: 16px; font-weight: 700; color: var(--text-primary);
  position: relative; display: block; padding-right: 60px; line-height: 1.5;
}
.faq-list .accordion-title:hover { color: var(--brand-primary); }
.faq-list .accordion-arrow { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--brand-primary); font-size: 14px; transition: transform 0.2s ease; }
.faq-list .accordion-item.is-active .accordion-arrow { transform: translateY(-50%) rotate(180deg); }
.faq-list .accordion-content { background: #fff; padding: 0 24px 20px; color: var(--text-secondary); font-size: 14px; line-height: 1.75; }

.cta-section { padding: 40px 0 60px; }
.cta-card {
  background: var(--gradient-brand); border-radius: var(--radius-lg); padding: 56px 24px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-card::before, .cta-card::after { content: ""; position: absolute; width: 180px; height: 180px; border-radius: 50%; background: rgba(255, 255, 255, 0.08); }
.cta-card::before { top: -60px; right: -40px; }
.cta-card::after { bottom: -70px; left: -30px; }
.cta-card h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 12px; position: relative; }
.cta-card p { font-size: 16px; color: rgba(255, 255, 255, 0.88); margin-bottom: 32px; position: relative; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; position: relative; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 24px; border-radius: 8px; font-size: 16px; font-weight: 600;
  transition: all 0.2s ease; border: none;
}
.btn:active { transform: translateY(0) !important; }
.btn-accent { background: linear-gradient(135deg, var(--accent), #F97316); color: #fff; box-shadow: 0 8px 20px rgba(245, 158, 11, 0.25); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(245, 158, 11, 0.35); }
.btn-light { background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.3); color: #fff; }
.btn-light:hover { background: rgba(255, 255, 255, 0.25); transform: translateY(-2px); }

.site-footer { background: var(--bg-deep); border-radius: 20px 20px 0 0; padding: 60px 0 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand .brand-name { color: #fff; font-size: 20px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: #B8D3D1; max-width: 300px; }
.footer-links .footer-col-title, .footer-contact .footer-col-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul a, .footer-contact p { font-size: 14px; color: #B8D3D1; transition: all 0.2s ease; }
.footer-links ul a:hover { color: var(--accent); text-decoration: underline; }
.footer-contact p { margin-bottom: 8px; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social .social-icon { background: rgba(255, 255, 255, 0.1); color: #B8D3D1; }
.footer-social .social-icon:hover { background: var(--accent); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 18px 0; text-align: center; font-size: 12px; color: #94B8B7; }
.footer-bottom p { line-height: 1.6; }
.footer-icp { margin-left: 12px; }

@media (max-width: 1024px) {
  .search-box { width: 200px; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: 30px; }
}
@media (max-width: 780px) {
  .toolbar-inner { height: 64px; }
  .search-box, .btn-favorite { display: none; }
  .hamburger { display: flex; }
  .article-title { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .related-thumb { height: 120px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand-name { font-size: 18px; }
  .article-title { font-size: 25px; }
  .article-feature img { height: 220px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-card h2 { font-size: 24px; }
  .article-bottom { flex-direction: column; align-items: flex-start; }
}

/* roulang page: category2 */
:root {
  --brand-primary: #0E7C7B;
  --brand-secondary: #17A398;
  --accent: #F59E0B;
  --accent-deep: #D97706;
  --bg-body: #F7F6F2;
  --bg-card: #FFFFFF;
  --bg-soft: #EDF5F4;
  --bg-deep: #0B3B3A;
  --text-primary: #1A2E35;
  --text-secondary: #5B7076;
  --border-light: #E5E7E3;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(14,124,123,0.08);
  --shadow-hover: 0 14px 34px rgba(14,124,123,0.16);
  --gradient: linear-gradient(135deg, #0E7C7B 0%, #17A398 60%, rgba(245,158,11,0.55) 140%);
  --gradient-cta: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--brand-primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--accent-deep); }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
ul { list-style: none; }
a:focus-visible, button:focus-visible, input:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { background: #fff; position: relative; z-index: 200; }
.toolbar { border-bottom: 1px solid var(--border-light); }
.toolbar-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { display: flex; align-items: center; }
.brand-name { font-size: 20px; font-weight: 800; color: var(--text-primary); letter-spacing: 0.5px; }
.toolbar-right { display: flex; align-items: center; gap: 14px; }
.search-box {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 0 16px;
  height: 40px;
  width: 260px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-box:focus-within { border-color: var(--brand-primary); box-shadow: 0 0 0 3px rgba(14,124,123,0.12); }
.search-box i { color: var(--text-secondary); font-size: 13px; }
.search-box input { border: none; background: none; outline: none; font-size: 14px; color: var(--text-primary); width: 100%; }
.search-box input::placeholder { color: #A2B5B2; }
.favorite-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  padding: 8px 14px; border-radius: 999px;
  transition: all 0.2s ease; text-decoration: none;
}
.favorite-btn:hover { background: var(--bg-soft); color: var(--brand-primary); }
.favorite-btn i { font-size: 13px; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; border-radius: 8px; }
.hamburger span { width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s ease; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.channel-nav {
  position: sticky; top: 0; z-index: 150;
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.3s ease;
}
.channel-nav.scrolled { box-shadow: var(--shadow); }
.nav-list { display: flex; align-items: center; gap: 6px; height: 52px; }
.nav-list a {
  display: inline-flex; align-items: center;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px; font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
}
.nav-list a:hover { color: var(--brand-primary); background: var(--bg-soft); }
.nav-list a.active {
  color: var(--accent-deep);
  background: var(--bg-soft);
  font-weight: 600;
}

/* Mobile drawer */
.drawer-overlay {
  position: fixed; inset: 0; z-index: 998;
  background: rgba(11,59,58,0.4);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-drawer {
  position: fixed; top: 0; right: -100%;
  width: 100%; max-width: 420px; height: 100vh;
  background: #fff; z-index: 999;
  transition: right 0.35s ease;
  padding: 24px;
  display: flex; flex-direction: column; gap: 20px;
}
.mobile-drawer.open { right: 0; }
.drawer-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-body); border: 1px solid var(--border-light);
  border-radius: 12px; padding: 0 14px; height: 44px;
}
.drawer-search input { border: none; background: none; outline: none; font-size: 15px; width: 100%; }
.drawer-search i { color: var(--text-secondary); }
.drawer-nav { display: flex; flex-direction: column; }
.drawer-nav a {
  display: flex; align-items: center;
  height: 56px; font-size: 18px; font-weight: 500;
  color: var(--text-primary); text-decoration: none;
  border-bottom: 1px solid var(--border-light);
  transition: all 0.2s ease;
}
.drawer-nav a:last-child { border-bottom: none; }
.drawer-nav a:hover { color: var(--brand-primary); padding-left: 8px; }
.drawer-nav a.active { color: var(--accent-deep); font-weight: 600; background: var(--bg-soft); padding-left: 12px; border-radius: 8px; margin: 4px 0; border-bottom: none; }
.mobile-drawer .favorite-btn { justify-content: center; border: 1px solid var(--border-light); }

/* Category Hero */
.category-hero {
  background: linear-gradient(0deg, rgba(255,255,255,0.92), rgba(255,255,255,0.92)), url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center;
  padding: 56px 0 48px;
  min-height: 220px;
  border-bottom: 1px solid var(--border-light);
}
.category-hero-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.category-hero h1 {
  font-size: 34px; font-weight: 800;
  color: var(--brand-primary);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.category-hero .hero-desc {
  font-size: 15px; color: var(--text-secondary);
  max-width: 640px; line-height: 1.75;
}
.stat-badges { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.stat-badge {
  background: var(--bg-soft);
  border-radius: 12px;
  padding: 12px 20px;
  display: inline-flex; align-items: baseline; gap: 8px;
}
.stat-badge strong {
  font-size: 24px; font-weight: 700;
  color: var(--brand-primary);
  font-variant-numeric: tabular-nums;
}
.stat-badge span { font-size: 13px; color: var(--text-secondary); }

/* Content Grid */
.content-section { padding: 56px 0 16px; }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 32px;
}
.section-head h2 { font-size: 28px; font-weight: 700; color: var(--text-primary); }
.section-head .section-sub { font-size: 13px; color: var(--text-secondary); margin-top: 6px; }
.content-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex; flex-direction: column;
}
.content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #DFF0EF;
}
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.content-card:hover .card-cover img { transform: scale(1.04); }
.card-cover.img-error::before {
  content: '\f03e';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
  background: #DFF0EF; color: var(--brand-primary); font-size: 34px;
}
.card-badge {
  position: absolute; top: 12px; right: 12px;
  background: linear-gradient(135deg, #F59E0B, #F97316);
  color: #fff; font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px;
  border: 2px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  font-variant-numeric: tabular-nums;
}
.card-body { padding: 20px 20px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-tag {
  display: inline-block;
  background: var(--bg-soft);
  color: var(--brand-primary);
  font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px;
  align-self: flex-start;
}
.card-title {
  font-size: 18px; font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 52px;
}
.card-title a { color: inherit; text-decoration: none; }
.card-title a:hover { color: var(--brand-primary); }
.card-desc {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  margin-top: auto;
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: #9AA6A5;
}
.card-meta .meta-time { font-variant-numeric: tabular-nums; }
.card-meta .meta-link {
  margin-left: auto;
  color: var(--brand-primary);
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  transition: all 0.2s ease;
}
.card-meta .meta-link:hover { color: var(--accent-deep); }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 6px; margin: 48px 0 8px; flex-wrap: wrap; }
.page-link {
  width: 40px; height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: #fff;
  color: var(--text-secondary);
  font-size: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  text-decoration: none;
  transition: all 0.2s ease;
  font-variant-numeric: tabular-nums;
}
.page-link:hover { border-color: var(--brand-primary); color: var(--brand-primary); background: var(--bg-soft); }
.page-link.active {
  background: linear-gradient(135deg, #F59E0B, #F97316);
  border-color: transparent;
  color: #fff; font-weight: 600;
  box-shadow: 0 4px 14px rgba(245,158,11,0.3);
}
.page-link.disabled { opacity: 0.4; pointer-events: none; }
.page-arrow { width: auto; padding: 0 16px; gap: 6px; }

/* FAQ */
.faq-section { padding: 56px 0 20px; }
.faq-section .section-head { justify-content: center; text-align: center; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item.is-active { border-color: var(--brand-primary); box-shadow: 0 4px 16px rgba(14,124,123,0.08); }
.faq-question {
  width: 100%; background: none; border: none;
  padding: 18px 20px;
  font-size: 16px; font-weight: 600;
  color: var(--text-primary);
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; text-align: left;
}
.faq-question .faq-icon { transition: transform 0.3s ease; color: var(--brand-primary); font-size: 14px; }
.faq-item.is-active .faq-question .faq-icon { transform: rotate(180deg); }
.faq-answer { padding: 0 20px 18px; font-size: 14px; line-height: 1.75; color: var(--text-secondary); display: none; }
.faq-item.is-active .faq-answer { display: block; }

/* CTA */
.cta-section {
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
  color: #fff;
  margin: 48px 0 32px;
  position: relative;
  overflow: hidden;
}
.cta-section::before,
.cta-section::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.cta-section::before { width: 200px; height: 200px; top: -80px; right: -40px; }
.cta-section::after { width: 140px; height: 140px; bottom: -60px; left: -30px; }
.cta-section h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 12px; position: relative; z-index: 1; }
.cta-section p { font-size: 16px; opacity: 0.88; max-width: 560px; margin: 0 auto 28px; line-height: 1.7; position: relative; z-index: 1; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 44px; padding: 0 26px;
  border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
  border: none;
}
.btn-cta { background: var(--gradient-cta); color: #fff; box-shadow: 0 4px 14px rgba(245,158,11,0.3); }
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.4); color: #fff; }
.btn-cta:active { transform: translateY(0); }
.btn-white {
  background: #fff; color: var(--brand-primary);
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}
.btn-white:hover { background: var(--bg-soft); color: var(--brand-primary); transform: translateY(-2px); }
.back-home { text-align: center; padding: 8px 0 48px; }
.back-home a {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--brand-primary);
  font-size: 15px; font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}
.back-home a:hover { color: var(--accent-deep); text-decoration: underline; }

/* Footer */
.site-footer {
  background: var(--bg-deep);
  border-radius: 20px 20px 0 0;
  color: #B8D3D1;
  padding: 48px 0 0;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1.1fr;
  gap: 36px;
  padding-bottom: 36px;
}
.site-footer .brand-logo { margin-bottom: 14px; }
.site-footer .brand-name { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.75; opacity: 0.85; max-width: 300px; }
.footer-col-title { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: #B8D3D1; font-size: 14px; text-decoration: none; transition: all 0.2s ease; }
.footer-links a:hover { color: var(--accent); text-decoration: underline; }
.footer-contact p { font-size: 14px; line-height: 1.8; opacity: 0.85; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.social-icon {
  width: 36px; height: 36px;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; color: #B8D3D1;
  transition: all 0.2s ease;
}
.social-icon:hover { background: var(--accent); color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: #94B8B7;
}
.footer-icp { margin-left: 10px; }

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 768px) {
  .toolbar-inner { height: 60px; }
  .search-box { display: none; }
  .favorite-btn { display: none; }
  .hamburger { display: flex; }
  .nav-list { overflow-x: auto; gap: 4px; scrollbar-width: none; }
  .nav-list::-webkit-scrollbar { display: none; }
  .nav-list a { padding: 6px 14px; font-size: 14px; white-space: nowrap; }
  .category-hero { padding: 40px 0 36px; }
  .category-hero h1 { font-size: 28px; }
  .stat-badges { gap: 10px; }
  .stat-badge { padding: 10px 16px; }
  .stat-badge strong { font-size: 20px; }
  .content-section { padding: 40px 0 12px; }
  .section-head h2 { font-size: 24px; }
  .cta-section { padding: 40px 20px; }
  .cta-section h2 { font-size: 24px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .category-hero { padding: 32px 0 28px; }
  .category-hero h1 { font-size: 24px; }
  .stat-badges { flex-direction: column; align-items: flex-start; }
  .stat-badge { width: 100%; }
  .pagination { gap: 4px; }
  .page-link { width: 36px; height: 36px; font-size: 13px; }
  .page-arrow { width: auto; padding: 0 12px; }
  .cta-buttons .btn { width: 100%; justify-content: center; }
}

/* Utility */
.img-placeholder {
  background: #DFF0EF;
  display: flex; align-items: center; justify-content: center;
  color: var(--brand-primary);
  font-size: 32px;
  min-height: 120px;
}

/* roulang page: category3 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  :root {
    --brand-primary: #0E7C7B;
    --brand-secondary: #17A398;
    --accent: #F59E0B;
    --accent-deep: #D97706;
    --bg-body: #F7F6F2;
    --bg-card: #FFFFFF;
    --bg-soft: #EDF5F4;
    --bg-deep: #0B3B3A;
    --text-primary: #1A2E35;
    --text-secondary: #5B7076;
    --border-light: #E5E7E3;
    --shadow-sm: 0 8px 24px rgba(14,124,123,0.08);
    --shadow-md: 0 14px 34px rgba(14,124,123,0.16);
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --gradient-brand: linear-gradient(135deg, #0E7C7B 0%, #17A398 60%, rgba(245,158,11,0.55) 140%);
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  ::selection {
    background: rgba(245,158,11,0.3);
  }
  img {
    max-width: 100%;
    display: block;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  ul {
    list-style: none;
  }
  button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
  }
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }
  h1, h2, h3, h4 {
    line-height: 1.3;
  }

  /* ===== 按钮 ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  }
  .btn:focus-visible {
    outline: 3px solid rgba(245,158,11,0.5);
    outline-offset: 2px;
  }
  .btn-accent {
    background: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
    color: #fff;
  }
  .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245,158,11,0.35);
  }
  .btn-accent:active {
    transform: translateY(0);
  }
  .btn-white {
    background: #fff;
    color: var(--brand-primary);
  }
  .btn-white:hover {
    background: var(--bg-soft);
    color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
  }
  .btn-white:active {
    transform: translateY(0);
  }
  .btn-outline {
    background: transparent;
    border: 1px solid var(--brand-primary);
    color: var(--brand-primary);
  }
  .btn-outline:hover {
    background: var(--bg-soft);
    border-color: #0A6C6B;
  }
  .btn-outline:active {
    background: #D7E8E6;
  }

  /* ===== 标签 / 徽章 ===== */
  .tag {
    display: inline-block;
    background: var(--bg-soft);
    color: var(--brand-primary);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    line-height: 1.5;
  }
  .tag:hover {
    background: var(--accent);
    color: #fff;
  }
  .badge-hot {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(245,158,11,0.95);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    border: 1.5px solid rgba(255,255,255,0.8);
    font-variant-numeric: tabular-nums;
  }

  /* ===== 顶部工具层 ===== */
  .site-header {
    background: #fff;
    position: relative;
    z-index: 100;
  }
  .toolbar {
    background: #fff;
    border-bottom: 1px solid var(--border-light);
  }
  .toolbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 20px;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .brand-mark {
    display: flex;
    flex-shrink: 0;
  }
  .brand-name {
    font-size: 22px;
    font-weight: 800;
    color: var(--brand-primary);
    letter-spacing: 0.5px;
    white-space: nowrap;
  }
  .toolbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    justify-content: flex-end;
  }
  .search-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-body);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-pill);
    padding: 8px 18px;
    width: 300px;
    transition: border-color 0.3s, box-shadow 0.3s;
    color: var(--text-secondary);
  }
  .search-bar:focus-within {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(14,124,123,0.12);
  }
  .search-bar input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
  }
  .search-bar input::placeholder {
    color: #A5B8B6;
  }
  .favorite-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    height: 38px;
    padding: 0 16px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.3s, border-color 0.3s, background 0.3s;
    flex-shrink: 0;
  }
  .favorite-btn:hover {
    color: var(--accent-deep);
    border-color: var(--accent);
    background: #FEF7E7;
  }
  .favorite-btn i {
    color: var(--accent);
  }
  .menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-light);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    font-size: 16px;
    color: var(--text-primary);
    cursor: pointer;
    align-items: center;
    justify-content: center;
  }

  /* ===== 频道层导航 ===== */
  .channel-nav {
    position: sticky;
    top: 0;
    z-index: 80;
    background: #fff;
    border-bottom: 1px solid var(--border-light);
    transition: box-shadow 0.3s ease;
  }
  .channel-nav.scrolled {
    box-shadow: var(--shadow-sm);
  }
  .nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 0;
    overflow-x: auto;
  }
  .nav-list a {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.25s, background 0.25s;
  }
  .nav-list a:hover {
    color: var(--brand-primary);
    background: var(--bg-soft);
  }
  .nav-list a.active {
    color: var(--accent-deep);
    background: #FEF3E2;
    font-weight: 600;
  }

  /* ===== 移动抽屉 ===== */
  .mobile-drawer {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: #fff;
    padding: 24px;
    overflow-y: auto;
  }
  .mobile-drawer.open {
    display: block;
  }
  .drawer-search {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-body);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-pill);
    padding: 12px 18px;
    margin-bottom: 24px;
    color: var(--text-secondary);
  }
  .drawer-search input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 15px;
  }
  .drawer-nav li a {
    display: block;
    font-size: 18px;
    line-height: 56px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    padding: 0 8px;
    transition: background 0.2s, color 0.2s;
    border-radius: 8px;
  }
  .drawer-nav li a.active {
    color: var(--accent-deep);
    background: var(--bg-soft);
    font-weight: 600;
    padding-left: 16px;
  }
  .drawer-fav {
    width: 100%;
    margin-top: 24px;
    justify-content: center;
  }

  /* ===== 面包屑 ===== */
  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 18px;
  }
  .breadcrumb a {
    color: var(--brand-primary);
  }
  .breadcrumb a:hover {
    color: var(--accent-deep);
  }
  .breadcrumb .sep {
    color: #B9C6C4;
  }

  /* ===== 分类页页头 ===== */
  .category-hero {
    position: relative;
    background: #fff url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
    min-height: 200px;
    padding: 60px 0 52px;
  }
  .category-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.92);
  }
  .category-hero-inner {
    position: relative;
    z-index: 1;
  }
  .category-hero h1 {
    font-size: 34px;
    font-weight: 800;
    color: var(--brand-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
  }
  .category-hero .hero-desc {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 720px;
    line-height: 1.8;
    margin-bottom: 28px;
  }
  .data-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }
  .data-badge {
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    padding: 14px 22px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 150px;
    border: 1px solid rgba(14,124,123,0.06);
  }
  .data-badge .num {
    font-size: 24px;
    font-weight: 700;
    color: var(--brand-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
  }
  .data-badge .label {
    font-size: 13px;
    color: var(--text-secondary);
  }

  /* ===== 板块通用 ===== */
  .section {
    padding: 90px 0;
  }
  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
  }
  .section-head h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
  }
  .section-sub {
    font-size: 14px;
    color: var(--text-secondary);
  }

  /* ===== 观察视角 ===== */
  .point-card {
    height: 100%;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }
  .point-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }
  .point-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-soft);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    font-size: 20px;
    margin-bottom: 16px;
  }
  .point-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
  }
  .point-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
  }

  /* ===== 内容卡片 ===== */
  .content-card {
    height: 100%;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .content-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
  .card-media {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #DFF0EF;
    display: block;
  }
  .card-media::after {
    content: "\f03e";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 36px;
    color: rgba(14,124,123,0.35);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
  }
  .card-media.img-fallback::after {
    opacity: 1;
  }
  .card-media.img-fallback img {
    display: none !important;
  }
  .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }
  .content-card:hover .card-media img {
    transform: scale(1.04);
  }
  .card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .card-body .tag {
    align-self: flex-start;
    margin-bottom: 10px;
  }
  .card-body h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .card-body h3 a {
    color: var(--text-primary);
    transition: color 0.25s;
  }
  .card-body h3 a:hover {
    color: var(--brand-primary);
  }
  .card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
  }
  .card-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
    font-size: 12px;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    flex-wrap: wrap;
  }
  .card-meta a {
    color: var(--brand-primary);
    font-weight: 600;
    white-space: nowrap;
  }
  .card-meta a:hover {
    color: var(--accent-deep);
  }

  /* ===== 分页器 ===== */
  .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 44px;
    flex-wrap: wrap;
  }
  .pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: var(--radius-pill);
    background: #fff;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    font-size: 14px;
    font-variant-numeric: tabular-nums;
    transition: color 0.25s, border-color 0.25s, background 0.25s;
  }
  .pagination a:hover {
    color: var(--brand-primary);
    border-color: var(--brand-primary);
    background: var(--bg-soft);
  }
  .pagination a.current {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-weight: 600;
  }
  .pagination a.current:hover {
    background: var(--accent-deep);
    border-color: var(--accent-deep);
  }

  /* ===== 适用场景 ===== */
  .scene-section {
    background: var(--bg-soft);
  }
  .scene-card {
    height: 100%;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--brand-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .scene-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
  .scene-icon {
    font-size: 28px;
    color: var(--brand-primary);
    margin-bottom: 16px;
  }
  .scene-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
  }
  .scene-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
  }

  /* ===== 观察流程 ===== */
  .process-card {
    height: 100%;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: box-shadow 0.3s, transform 0.3s;
  }
  .process-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }
  .process-num {
    width: 40px;
    height: 40px;
    background: var(--gradient-brand);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    font-variant-numeric: tabular-nums;
  }
  .process-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
  }
  .process-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
  }

  /* ===== FAQ ===== */
  .faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    transition: border-color 0.3s, box-shadow 0.3s;
  }
  .faq-item:hover {
    border-color: rgba(14,124,123,0.3);
  }
  .faq-item[open] {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-sm);
  }
  .faq-item summary {
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  .faq-item summary::-webkit-details-marker {
    display: none;
  }
  .faq-item summary::after {
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 14px;
    color: var(--brand-primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
  }
  .faq-item[open] summary::after {
    transform: rotate(180deg);
  }
  .faq-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-top: 14px;
  }

  /* ===== CTA ===== */
  .cta-banner {
    background: var(--gradient-brand);
    border-radius: var(--radius-lg);
    padding: 56px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: #fff;
  }
  .cta-banner::before,
  .cta-banner::after {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
  }
  .cta-banner::before {
    top: -80px;
    left: -80px;
  }
  .cta-banner::after {
    bottom: -100px;
    right: -60px;
  }
  .cta-banner h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
  }
  .cta-banner p {
    font-size: 16px;
    opacity: 0.88;
    margin-bottom: 26px;
    position: relative;
    z-index: 1;
  }
  .cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
  }

  /* ===== 返回首页 ===== */
  .back-home {
    text-align: center;
    padding: 0 24px 64px;
  }
  .back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-primary);
    font-weight: 600;
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    transition: background 0.25s, color 0.25s, transform 0.25s;
  }
  .back-link:hover {
    background: var(--bg-soft);
    color: var(--accent-deep);
    transform: translateX(-3px);
  }

  /* ===== 页脚 ===== */
  .site-footer {
    background: var(--bg-deep);
    border-radius: 20px 20px 0 0;
    color: #B8D3D1;
    padding-top: 60px;
    margin-top: 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 44px;
  }
  .footer-brand .brand-logo {
    margin-bottom: 16px;
  }
  .footer-brand .brand-mark {
    box-shadow: 0 0 0 1px rgba(255,255,255,0.14);
    border-radius: 10px;
  }
  .footer-brand .brand-name {
    color: #fff;
  }
  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: #B8D3D1;
    max-width: 280px;
  }
  .footer-col-title {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
  }
  .footer-links ul li {
    margin-bottom: 10px;
  }
  .footer-links ul li a {
    color: #B8D3D1;
    font-size: 14px;
    transition: color 0.25s;
  }
  .footer-links ul li a:hover {
    color: var(--accent);
    text-decoration: underline;
  }
  .footer-contact p {
    font-size: 14px;
    color: #B8D3D1;
    margin-bottom: 8px;
    line-height: 1.6;
  }
  .footer-social {
    display: flex;
    gap: 10px;
    margin-top: 16px;
  }
  .social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    transition: background 0.25s, transform 0.25s;
    cursor: default;
  }
  .social-icon:hover {
    background: rgba(245,158,11,0.5);
    transform: translateY(-2px);
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    color: #94B8B7;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  .footer-bottom p {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
  }
  .footer-bottom .icp {
    color: #729694;
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1023px) {
    .search-bar {
      width: 220px;
    }
    .point-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .section {
      padding: 64px 0;
    }
  }
  @media (max-width: 767px) {
    .toolbar-inner {
      height: 60px;
    }
    .search-bar,
    .favorite-btn {
      display: none;
    }
    .menu-toggle {
      display: inline-flex;
    }
    .nav-list {
      padding: 8px 0;
    }
    .nav-list a {
      padding: 6px 14px;
      font-size: 14px;
    }
    .category-hero {
      padding: 42px 0 38px;
    }
    .category-hero h1 {
      font-size: 28px;
    }
    .category-hero .hero-desc {
      font-size: 14px;
    }
    .data-strip {
      gap: 10px;
    }
    .data-badge {
      min-width: 120px;
      padding: 12px 16px;
    }
    .data-badge .num {
      font-size: 20px;
    }
    .section {
      padding: 48px 0;
    }
    .section-head {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
      margin-bottom: 24px;
    }
    .section-head h2 {
      font-size: 24px;
    }
    .breadcrumb {
      font-size: 12px;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }
    .cta-banner {
      padding: 40px 20px;
      border-radius: var(--radius-md);
    }
    .cta-banner h2 {
      font-size: 24px;
    }
    .cta-buttons {
      flex-direction: column;
      align-items: stretch;
    }
    .cta-buttons .btn {
      width: 100%;
    }
    .back-home {
      padding-bottom: 48px;
    }
  }
  @media (max-width: 520px) {
    .container {
      padding: 0 16px;
    }
    .card-body {
      padding: 16px;
    }
    .card-body h3 {
      font-size: 17px;
    }
    .point-card,
    .process-card {
      padding: 24px 20px;
    }
    .pagination a {
      min-width: 36px;
      height: 36px;
      padding: 0 10px;
      font-size: 13px;
    }
  }