:root { --primary:#ff4d4f; --ink:#172033; --muted:#667085; --line:#e7eaf0; --soft:#f6f8fc; --shadow:0 14px 44px rgba(23,32,51,.1); }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:#fff; font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif; line-height:1.65; overflow-x:hidden; }
img { display:block; width:100%; height:100%; object-fit:cover; }
a { color:inherit; text-decoration:none; }
button,input { font:inherit; }
.container { width:calc(100% - 40px); max-width:1320px; margin-left:auto; margin-right:auto; }
.narrow { max-width:920px; }
.sr-only { position:absolute; width:1px; height:1px; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); }
.topbar { color:#d7dbea; background:#11182a; font-size:13px; }
.top-inner,.brand-row,.nav-inner,.footer-bottom { display:flex; align-items:center; justify-content:space-between; }
.top-inner { min-height:36px; }
.top-links { display:flex; gap:22px; }
.brand-row { min-height:86px; gap:30px; }
.logo { width:190px; height:46px; object-fit:contain; }
.search-form { display:flex; width:min(100%,560px); border:2px solid var(--primary); border-radius:999px; overflow:hidden; background:#fff; }
.search-form input { min-width:0; flex:1; padding:12px 20px; border:0; outline:0; }
.search-form button { display:flex; align-items:center; gap:6px; padding:0 25px; color:#fff; background:var(--primary); border:0; cursor:pointer; }
.ui-icon { display:inline-grid; place-items:center; flex:0 0 auto; width:28px; height:28px; border-radius:9px; color:var(--primary); background:#fff1f1; font-size:14px; font-weight:900; }
.main-nav { position:sticky; top:0; z-index:50; border-block:1px solid var(--line); background:#fff; }
.nav-inner { min-height:54px; gap:5px; }
.nav-inner>a { display:flex; align-items:center; justify-content:center; gap:7px; padding:8px 10px; border-radius:12px; font-weight:700; white-space:nowrap; }
.nav-inner>a:hover,.nav-inner>a.active { color:var(--primary); background:#fff1f1; }
.menu-toggle { display:none; align-items:center; gap:7px; padding:8px 12px; border:1px solid var(--line); border-radius:12px; background:#fff; }
.hero-shell { padding:42px 0 28px; background:radial-gradient(circle at 78% 20%,#ffe0d6 0,transparent 30%),linear-gradient(135deg,#fff7f3,#f7f8ff); }
.hero-grid { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:44px; align-items:center; }
.eyebrow { display:inline-block; color:var(--primary); font-size:14px; font-weight:800; letter-spacing:.1em; }
.hero-copy h1 { margin:14px 0; font-size:clamp(40px,5vw,68px); line-height:1.1; letter-spacing:-.04em; }
.hero-copy>p { color:var(--muted); font-size:18px; }
.hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:26px; }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:0 24px; border-radius:14px; font-weight:800; }
.button.primary { color:#fff; background:var(--primary); box-shadow:0 10px 24px rgba(255,77,79,.25); }
.button.ghost { color:var(--ink); background:#fff; border:1px solid var(--line); }
.button.dark { color:#fff; background:var(--ink); }
.hero-facts { display:flex; gap:30px; padding:0; margin:34px 0 0; list-style:none; }
.hero-facts li { display:flex; flex-direction:column; }
.hero-facts strong { font-size:22px; }
.hero-facts span { color:var(--muted); font-size:13px; }
.hero-feature { position:relative; min-height:460px; overflow:hidden; border-radius:30px; box-shadow:var(--shadow); }
.hero-media { position:absolute; inset:0; background:#e8ebf1; }
.hero-media:after,.topic-media:after,.mosaic-media:after { position:absolute; inset:0; content:""; background:linear-gradient(transparent 35%,rgba(13,18,32,.9)); }
.hero-caption { position:absolute; inset:auto 0 0; z-index:1; padding:32px; color:#fff; }
.hero-caption h2 { margin:8px 0; font-size:32px; }
.hero-caption p { margin:0; color:#e8ebf1; }
.home-section,.content-section { padding:64px 0; }
.section-head { display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:26px; }
.section-head h2,.kids-copy h2,.doc-copy h2 { display:flex; align-items:center; gap:11px; margin:0; font-size:clamp(25px,3vw,34px); line-height:1.25; }
.section-head p { margin:8px 0 0; color:var(--muted); }
.more-link { flex:0 0 auto; color:var(--primary); font-weight:800; }
.quick-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px; }
.quick-item { display:grid; grid-template-columns:auto 1fr; grid-template-rows:auto auto; gap:2px 12px; min-height:120px; padding:20px; border:1px solid var(--line); border-radius:18px; background:#fffaf8; }
.quick-item .ui-icon { grid-row:1/3; }
.quick-item span:last-child { display:-webkit-box; overflow:hidden; color:var(--muted); font-size:13px; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.soft-bg,.knowledge-section { background:var(--soft); }
.rank-list { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:14px; padding:0; margin:0; list-style:none; }
.rank-list li { display:grid; grid-template-columns:38px 1fr; gap:12px; padding:12px; background:#fff; border-radius:18px; }
.rank-no { align-self:center; color:var(--primary); font-size:21px; font-weight:900; }
.rank-thumb { grid-column:2; height:100px; overflow:hidden; border-radius:12px; background:#e8ebf1; }
.rank-list li>div:last-child { grid-column:1/3; }
.rank-list h3,.rank-list p { margin:0; }
.rank-list p { display:-webkit-box; overflow:hidden; color:var(--muted); font-size:13px; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.poster-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:22px; }
.poster-grid.three { grid-template-columns:repeat(3,minmax(0,1fr)); }
.video-card { min-width:0; overflow:hidden; background:#fff; border:1px solid var(--line); border-radius:20px; box-shadow:0 8px 24px rgba(23,32,51,.05); }
.card-cover { position:relative; display:block; }
.media { aspect-ratio:16/10; overflow:hidden; background:linear-gradient(135deg,#e8ebf1,#d5dbe8); }
.score { position:absolute; right:10px; bottom:10px; padding:3px 9px; color:#fff; background:rgba(18,25,42,.78); border-radius:999px; font-size:13px; font-weight:800; }
.card-body { padding:18px; }
.meta-row { display:flex; justify-content:space-between; gap:10px; color:var(--muted); font-size:13px; }
.tag { color:var(--primary); font-size:13px; font-weight:800; }
.card-body h3 { margin:10px 0 7px; overflow:hidden; font-size:19px; white-space:nowrap; text-overflow:ellipsis; }
.card-body p { display:-webkit-box; min-height:48px; margin:0; overflow:hidden; color:var(--muted); font-size:14px; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.dark-section { color:#fff; background:#161d31; }
.dark-section .section-head p,.dark-section .more-link { color:#d5daea; }
.doc-section { color:#fff; background:#10392f; }
.doc-layout { display:grid; grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr); gap:44px; align-items:center; }
.doc-copy p { color:#cde1d9; }
.light-link { color:#8ce0bd; font-weight:800; }
.doc-picks { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; }
.mosaic-grid { display:grid; grid-template-columns:1.5fr 1fr 1fr; grid-template-rows:repeat(2,180px); gap:16px; }
.mosaic-grid>a { position:relative; overflow:hidden; border-radius:20px; }
.mosaic-main { grid-row:1/3; }
.mosaic-small:last-child { grid-column:2/4; }
.mosaic-media { position:absolute; inset:0; background:#dce8f4; }
.mosaic-grid h3 { position:absolute; left:20px; bottom:15px; z-index:1; margin:0; color:#fff; }
.knowledge-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:18px; }
.knowledge-card { position:relative; min-height:210px; padding:24px; background:#fff; border-radius:20px; }
.knowledge-icon { display:grid; place-items:center; width:48px; height:48px; color:#fff; background:#6757d9; border-radius:15px; font-weight:900; }
.knowledge-card h3 { margin:18px 0 5px; }
.knowledge-card p { margin:0; color:var(--muted); }
.knowledge-card .arrow { position:absolute; right:22px; bottom:18px; color:#6757d9; font-size:24px; }
.kids-section { background:#ffe36c; }
.kids-layout { display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); gap:46px; align-items:center; }
.topic-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.topic-card { position:relative; min-height:300px; overflow:hidden; color:#fff; border-radius:20px; }
.topic-media { position:absolute; inset:0; background:#d9dde6; }
.topic-card>div:last-child { position:absolute; inset:auto 24px 22px; z-index:1; }
.topic-card h3,.topic-card p { margin:0 0 7px; }
.topic-card span { color:#ffce7c; font-weight:800; }
.faq-box { padding:34px; background:#fff; border-radius:28px; }
.faq-grid { display:grid; gap:10px; }
.faq-grid details { padding:18px 20px; border:1px solid var(--line); border-radius:14px; }
.faq-grid summary { cursor:pointer; font-weight:800; }
.faq-grid p { color:var(--muted); }
.breadcrumb { display:flex; align-items:center; flex-wrap:wrap; gap:9px; min-height:52px; color:var(--muted); font-size:14px; }
.category-hero { padding:58px 0; background:linear-gradient(135deg,#fff0ec,#f4f5ff); }
.category-inner { display:flex; align-items:center; justify-content:space-between; gap:30px; }
.category-hero h1 { display:flex; align-items:center; gap:12px; margin:12px 0; font-size:clamp(36px,5vw,58px); }
.category-hero p { max-width:720px; margin:0; color:var(--muted); font-size:18px; }
.category-mark { display:grid; place-items:center; flex:0 0 140px; width:140px; height:140px; color:#fff; background:var(--primary); border-radius:42px; font-size:56px; }
.guide-cards { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.guide-cards article,.prose-box { padding:28px; background:#fff; border:1px solid var(--line); border-radius:20px; }
.guide-cards article>span { color:var(--primary); font-size:28px; font-weight:900; }
.guide-cards h2 { font-size:21px; }
.guide-cards p,.prose-box p { color:var(--muted); }
.guide-cards a { color:var(--primary); font-weight:800; }
.detail-hero { padding:42px 0 64px; color:#fff; background:linear-gradient(135deg,#181f34,#343e5b); }
.detail-grid { display:grid; grid-template-columns:minmax(280px,.78fr) minmax(0,1.22fr); gap:48px; align-items:center; }
.detail-poster { aspect-ratio:16/10; overflow:hidden; border-radius:24px; background:#2f3852; }
.detail-intro h1 { margin:12px 0; font-size:clamp(38px,5vw,60px); }
.detail-intro .lead { color:#d8deec; font-size:18px; }
.detail-meta { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
.detail-meta div { padding:12px 14px; background:rgba(255,255,255,.08); border-radius:12px; }
.detail-meta dt { color:#aab3c8; font-size:12px; }
.detail-meta dd { margin:2px 0 0; font-weight:700; }
.article-layout { display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:38px; padding-block:60px 40px; }
.article-section { padding-bottom:34px; }
.article-section>p { color:#475467; font-size:17px; line-height:1.9; }
.point-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:15px; }
.point-grid>div { padding:20px; background:var(--soft); border-radius:16px; }
.point-grid span { color:var(--primary); font-weight:900; }
.point-grid p { color:var(--muted); font-size:14px; }
.notice-box { padding:24px; background:#fff8e7; border-radius:16px; }
.detail-aside { align-self:start; position:sticky; top:76px; padding:24px; border:1px solid var(--line); border-radius:20px; }
.detail-aside ul { padding:0; list-style:none; }
.detail-aside li { display:flex; flex-direction:column; padding:13px 0; border-bottom:1px solid var(--line); }
.detail-aside li span { color:var(--muted); }
.aside-link { color:var(--primary); font-weight:800; }
.prev-next { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; padding-bottom:60px; }
.prev-next a { display:flex; flex-direction:column; padding:20px; border:1px solid var(--line); border-radius:16px; }
.prev-next a:last-child { text-align:right; }
.prev-next span { color:var(--muted); font-size:13px; }
.info-hero,.search-hero { padding:70px 0; text-align:center; background:linear-gradient(135deg,#fff3ef,#f3f5ff); }
.info-hero .ui-icon { width:56px; height:56px; margin:auto; font-size:24px; }
.info-hero h1,.search-hero h1 { margin:16px 0 10px; font-size:clamp(36px,5vw,52px); }
.info-hero p,.search-hero p { color:var(--muted); font-size:17px; }
.info-content { padding:60px 0; }
.info-stack { display:grid; gap:18px; }
.info-stack article { display:grid; grid-template-columns:60px 1fr; gap:20px; padding:28px; border:1px solid var(--line); border-radius:20px; }
.info-number { color:var(--primary); font-size:25px; font-weight:900; }
.info-stack h2,.info-stack p { margin:0; }
.info-stack p { color:var(--muted); }
.contact-card { padding:30px; color:#fff; background:var(--ink); border-radius:20px; text-align:center; }
.contact-card a { display:block; color:#ff9596; font-size:24px; font-weight:800; }
.search-large { margin:26px auto 0; }
.no-results { padding:70px 20px; text-align:center; background:var(--soft); border-radius:20px; }
.not-found { min-height:70vh; display:grid; place-items:center; padding:70px 0; background:linear-gradient(135deg,#fff5f1,#eff2ff); }
.not-found-inner { text-align:center; }
.error-code { color:var(--primary); font-size:clamp(100px,20vw,220px); font-weight:950; line-height:.8; opacity:.16; }
.not-found h1 { font-size:38px; }
.center,.error-links { justify-content:center; }
.error-links { display:flex; flex-wrap:wrap; gap:12px; margin-top:30px; }
.error-links a { padding:8px 15px; background:#fff; border-radius:999px; }
.site-footer { padding-top:52px; color:#cdd3e1; background:#11182a; }
.footer-grid { display:grid; grid-template-columns:1.5fr repeat(3,1fr); gap:40px; padding-bottom:42px; }
.footer-logo { width:180px; height:44px; object-fit:contain; }
.footer-grid h2 { color:#fff; font-size:17px; }
.footer-grid p,.footer-links { color:#98a2b3; }
.footer-links { display:grid; gap:9px; }
.footer-bottom { min-height:70px; gap:20px; border-top:1px solid rgba(255,255,255,.1); color:#7f899f; font-size:13px; }
.is-image-error { position:relative; }
.is-image-error:before { position:absolute; inset:0; display:grid; place-items:center; content:"图片暂不可用"; color:#7b8497; background:linear-gradient(135deg,#eef1f6,#dce2ec); }
.is-image-error img { visibility:hidden; }
@media (max-width:1080px) { .poster-grid { grid-template-columns:repeat(3,minmax(0,1fr)); } .rank-list { grid-template-columns:repeat(3,minmax(0,1fr)); } .quick-grid,.knowledge-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .nav-inner>a { padding:8px 6px; font-size:14px; } }
@media (max-width:820px) { .topbar { display:none; } .brand-row { min-height:74px; } .logo { width:150px; } .brand-row>.search-form { display:none; } .menu-toggle { display:flex; } .main-nav { display:none; position:static; } .main-nav.is-open { display:block; } .nav-inner { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); padding:12px 0; } .hero-grid,.doc-layout,.kids-layout,.detail-grid,.article-layout { grid-template-columns:minmax(0,1fr); } .rank-list,.poster-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .mosaic-grid { grid-template-columns:repeat(2,minmax(0,1fr)); grid-template-rows:300px repeat(2,170px); } .mosaic-main { grid-column:1/3; grid-row:auto; } .mosaic-small:last-child { grid-column:1/3; } .topic-grid,.guide-cards,.point-grid,.footer-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .detail-aside { position:static; } }
@media (max-width:560px) { .home-section,.content-section { padding:46px 0; } .hero-copy h1 { font-size:42px; } .hero-feature { min-height:360px; } .section-head { align-items:flex-start; flex-direction:column; } .quick-grid,.rank-list,.poster-grid,.poster-grid.three,.knowledge-grid,.topic-grid,.guide-cards,.point-grid,.footer-grid,.doc-picks,.prev-next { grid-template-columns:minmax(0,1fr); } .mosaic-grid { grid-template-columns:minmax(0,1fr); grid-template-rows:280px repeat(3,170px); } .mosaic-main,.mosaic-small:last-child { grid-column:auto; } .category-mark { display:none; } .detail-meta { grid-template-columns:minmax(0,1fr); } .info-stack article { grid-template-columns:minmax(0,1fr); } .contact-card a { font-size:19px; overflow-wrap:anywhere; } .footer-bottom { align-items:flex-start; flex-direction:column; justify-content:center; padding:20px 0; } }