:root{--ink:#16233b;--muted:#667085;--line:#e5eaf2;--paper:#fff;--soft:#f4f7fb;--brand:#175cd3;--accent:#d92d20;--radius:16px}*{box-sizing:border-box}html{font-size:16px}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.72}.wrap{width:min(1160px,calc(100% - 32px));margin:auto}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.nav{min-height:68px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap}.brand span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;color:#fff;background:var(--brand);font-size:21px}.brand b{font-size:20px}.nav nav{display:flex;align-items:center;gap:18px;flex:1}.nav nav a{font-weight:700}.nav nav span{color:#98a2b3;font-size:14px}.nav nav small{display:none}.top-search,.hero-search{display:flex}.top-search input,.hero-search input{min-width:220px;border:1px solid var(--line);border-radius:10px 0 0 10px;padding:11px 14px;font:inherit}.top-search button,.hero-search button{border:0;border-radius:0 10px 10px 0;padding:0 18px;background:var(--brand);color:#fff;font-weight:700}.menu{display:none}.hero{padding:76px 0 58px;text-align:center;background:linear-gradient(180deg,#f2f7ff,transparent);border-radius:0 0 28px 28px}.eyebrow{margin:0 0 8px;color:var(--brand);font-weight:800;letter-spacing:.12em}.hero h1,.page-head h1{margin:0;font-size:clamp(32px,6vw,54px);line-height:1.2}.hero>p:not(.eyebrow),.page-head>p{color:var(--muted)}.hero-search{width:min(620px,100%);margin:30px auto 0}.hero-search input{flex:1;padding:16px 18px}.section-head{margin:44px 0 18px}.section-head h2{margin:0;font-size:25px}.section-head p{margin:4px 0;color:var(--muted)}.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.channel,.entity-card,.tool-list>*{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.channel{display:flex;flex-direction:column}.channel span,.entity-card span,.tool-list span{color:var(--muted);font-size:14px}.channel.live{color:#fff;background:var(--brand);border-color:var(--brand)}.channel.live span{color:#dbeafe}.two-col{display:grid;grid-template-columns:1.3fr 1fr;gap:34px;padding-bottom:60px}.char-grid,.list-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.char-grid a{display:flex;flex-direction:column;align-items:center;padding:14px;border:1px solid var(--line);border-radius:12px}.char-grid b{font-size:25px}.char-grid span{color:var(--muted);font-size:13px}.tool-list{display:grid;gap:10px}.tool-list>*{display:flex;justify-content:space-between}.page-head{padding:50px 0 28px}.compact{margin:22px 0 0}.list-grid{grid-template-columns:repeat(4,1fr);padding-bottom:60px}.entity-card{display:flex;align-items:center;gap:16px}.entity-card strong{font-size:34px}.entity-card div{display:flex;flex-direction:column}.crumbs{padding-top:22px;color:var(--muted);font-size:14px}.crumbs i{margin:0 8px}.entity-hero{display:grid;grid-template-columns:180px 1fr;gap:34px;padding:38px 0}.glyph{display:grid;place-items:center;aspect-ratio:1;border-radius:24px;background:var(--soft);font-size:96px;font-family:serif}.entity-hero h1{margin:0;font-size:48px}.entity-hero dl{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.entity-hero dl div{padding:12px;background:var(--soft);border-radius:10px}.entity-hero dt{color:var(--muted);font-size:13px}.entity-hero dd{margin:2px 0 0;font-weight:700}.content-panel{max-width:820px;padding:26px;margin-bottom:18px;border:1px solid var(--line);border-radius:var(--radius)}.content-panel h2{margin-top:0}.notice{padding:14px 18px;background:#fff8e7;border-radius:10px;color:#7a4b00}.empty{text-align:center;padding:100px 0}.empty a{color:var(--brand)}footer{margin-top:60px;padding:32px 0;background:var(--soft)}.footer-grid{display:flex;justify-content:space-between}.footer-grid p{margin:4px 0;color:var(--muted)}.footer-grid a{margin-left:18px}@media(max-width:800px){.nav{flex-wrap:wrap;padding:12px 0}.menu{display:block;margin-left:auto;border:0;background:var(--soft);padding:8px 12px;border-radius:8px}.nav nav{display:none;order:3;width:100%;flex-direction:column;align-items:flex-start}.nav nav.open{display:flex}.nav nav small{display:inline;margin-left:6px}.top-search{display:none}.hero{padding:52px 16px}.channel-grid{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.char-grid{grid-template-columns:repeat(4,1fr)}.list-grid{grid-template-columns:repeat(2,1fr)}.entity-hero{grid-template-columns:100px 1fr;gap:18px}.glyph{font-size:60px}.entity-hero dl{grid-template-columns:repeat(2,1fr)}.footer-grid{display:block}.footer-grid a{margin:0 16px 0 0}}@media(max-width:460px){.list-grid{grid-template-columns:1fr}.entity-hero{grid-template-columns:1fr}.glyph{width:120px}.channel-grid{grid-template-columns:1fr}}
.footer-grid small{display:block;max-width:560px;color:var(--muted)}
@media(max-width:800px){.menu{min-width:44px;min-height:44px}.nav nav{gap:0}.nav nav a{width:100%;padding:10px 4px}.hero{padding:42px 16px 38px}.footer-grid>div+div{margin-top:18px}.footer-grid a{display:inline-block;margin-bottom:8px;padding:4px 0}}
.hanzi-channel-sections{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-bottom:60px}.hanzi-panel{padding:0 20px 22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.hanzi-mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.hanzi-mini-grid a{display:flex;min-width:0;flex-direction:column;align-items:center;padding:12px 6px;border:1px solid var(--line);border-radius:11px;background:var(--soft)}.hanzi-mini-grid strong{font-size:28px;line-height:1.25}.hanzi-mini-grid span{max-width:100%;overflow:hidden;color:var(--brand);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.hanzi-mini-grid small{color:var(--muted);font-size:11px}@media(max-width:800px){.hanzi-channel-sections{grid-template-columns:1fr}.hanzi-mini-grid{grid-template-columns:repeat(5,1fr)}}@media(max-width:460px){.hanzi-panel{padding:0 14px 16px}.hanzi-mini-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:460px){.wrap{width:min(100% - 24px,1160px)}.hero{padding:32px 12px}.hero h1{font-size:34px}.hero-search input{min-width:0;padding:13px 12px}.hero-search button{min-width:84px;padding:0 12px;white-space:nowrap}.section-head{margin-top:34px}.entity-hero{padding-top:20px}.glyph{width:104px}.content-panel{margin-left:0;margin-right:0}}
.theme-hanzi{--brand:#175cd3;--soft:#eef4ff}.theme-pinyin{--brand:#087f8c;--soft:#eaf8f8}.theme-bushou{--brand:#b45309;--soft:#fff5e8}.theme-word{--brand:#15803d;--soft:#edf9f0}.theme-idiom{--brand:#c2413b;--soft:#fff0ef}.theme-poem{--brand:#6d28d9;--soft:#f4efff}.theme-quote{--brand:#be185d;--soft:#fff0f6}.theme-stroke{--brand:#475569;--soft:#f1f5f9}.theme-hanzi .page-head,.theme-pinyin .page-head,.theme-bushou .page-head,.theme-word .page-head,.theme-idiom .page-head,.theme-poem .page-head,.theme-quote .page-head,.theme-stroke .page-head{margin-top:18px;padding-left:24px;padding-right:24px;border-radius:20px;background:linear-gradient(135deg,var(--soft),transparent 78%)}.theme-home .channel-grid .channel:nth-child(1){background:#175cd3;border-color:#175cd3}.theme-home .channel-grid .channel:nth-child(2){background:#087f8c;border-color:#087f8c}.theme-home .channel-grid .channel:nth-child(3){background:#b45309;border-color:#b45309}.theme-home .channel-grid .channel:nth-child(4){background:#15803d;border-color:#15803d}.theme-home .channel-grid .channel:nth-child(5){background:#c2413b;border-color:#c2413b}.theme-home .channel-grid .channel:nth-child(6){background:#6d28d9;border-color:#6d28d9}.theme-home .channel-grid .channel:nth-child(7){background:#be185d;border-color:#be185d}.theme-home .channel-grid .channel:nth-child(8){background:#475569;border-color:#475569}.theme-home .channel-grid .channel span{color:rgba(255,255,255,.84)}@media(max-width:460px){.theme-hanzi .page-head,.theme-pinyin .page-head,.theme-bushou .page-head,.theme-word .page-head,.theme-idiom .page-head,.theme-poem .page-head,.theme-quote .page-head,.theme-stroke .page-head{padding-left:16px;padding-right:16px;border-radius:14px}}