:root{--paper:#ffe99a;--paper2:#fff8df;--ink:#1f1a13;--muted:#634b32;--line:#bca86e;--brick:#9a3f24;--teal:#12646c;--white:#fffbe8}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:linear-gradient(rgba(154,63,36,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(154,63,36,.04) 1px,transparent 1px),var(--paper);background-size:40px 40px;color:var(--ink);line-height:1.58}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:18px;padding:10px clamp(14px,4vw,54px);background:rgba(255,233,154,.92);border-bottom:2px solid rgba(154,63,36,.28);backdrop-filter:blur(10px)}.brand{display:flex;align-items:center;gap:10px}.brand span{display:grid;place-items:center;width:44px;height:44px;border:2px solid var(--ink);background:var(--white);font-weight:950;box-shadow:5px 5px 0 rgba(154,63,36,.18)}.brand strong{display:block}.brand em{display:block;font-style:normal;color:var(--muted);font-size:12px}.topbar nav{margin-left:auto;display:flex;gap:8px;overflow:auto}.topbar nav a,.button,button{border:1px solid var(--line);background:var(--white);padding:8px 12px;border-radius:4px;font-weight:850;box-shadow:3px 3px 0 rgba(154,63,36,.15)}.topbar nav a.active,.button.primary{background:#23190f;color:#fff8df}main{min-height:80vh}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(310px,.72fr);gap:34px;align-items:center;min-height:70vh;padding:54px clamp(18px,5vw,70px)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:var(--brick);font-weight:950}h1{font-size:clamp(44px,7vw,86px);line-height:1.03;margin:10px 0 18px;letter-spacing:0}.lead{font-size:19px;color:var(--muted);max-width:760px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.hero-panel,.panel,.card,.entry-card{background:rgba(255,249,223,.94);border:1px solid var(--line);box-shadow:8px 8px 0 rgba(154,63,36,.14)}.hero-panel{padding:14px}.hero-panel 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h3{font-size:23px;line-height:1.15;margin:8px 0}.plate-card img{width:100%;height:170px;object-fit:contain;background:var(--white);border:1px solid rgba(188,168,110,.65);margin-bottom:10px}.entry-router{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.entry-card{padding:16px;min-height:155px}.entry-card span{display:block;color:var(--brick);font-size:12px;font-weight:950;text-transform:uppercase}.entry-card strong{display:block;font-size:22px;margin:8px 0}.entry-card.primary{background:#23190f;color:#fff8df}.entry-card.primary p,.entry-card.primary span{color:#fff1ac}.page-title{padding:42px clamp(18px,5vw,70px) 22px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:end}.page-title h1{font-size:clamp(38px,6vw,74px)}.page-title p{color:var(--muted);font-size:18px}.crumb{font-size:13px;color:var(--brick);font-weight:900}.style-board{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr);gap:18px;padding:0 clamp(18px,5vw,70px) 42px}.panel{padding:18px}.source-list li{margin:8px 0}.danger li{color:#8a2e20}.term-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.term-chip{display:inline-flex;gap:6px;align-items:baseline;border:1px solid var(--line);background:#fff1ac;padding:7px 10px;border-radius:999px;font-weight:850}.term-chip em{font-style:normal;color:var(--teal);font-size:12px}.fact-strip{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}.visual-panel{display:grid;place-items:center}.plate-full{max-width:100%;max-height:72vh;object-fit:contain;background:var(--white);border:1px solid rgba(188,168,110,.7)}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.search{min-width:min(440px,100%);border:1px solid var(--line);background:var(--white);padding:12px 14px;border-radius:4px;font:inherit}.hidden{display:none!important}.term-table{width:100%;border-collapse:collapse;background:var(--white);font-size:15px}.term-table th,.term-table td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}footer{border-top:2px solid rgba(154,63,36,.28);padding:24px clamp(18px,5vw,70px);color:var(--muted)}
.detail-board{grid-template-columns:minmax(0,1.05fr) minmax(330px,.95fr);align-items:start}.detail-panel{display:grid;gap:14px}.reading-card{border:1px solid rgba(188,168,110,.82);background:rgba(255,251,232,.72);padding:15px}.reading-card h2,.quiz-box h2,.viewer h2{font-size:25px}.reading-card p:first-of-type{margin-top:0}.thesis{border-left:8px solid var(--teal);background:#fff6cc}.detail-list{margin:10px 0 0;padding-left:24px}.detail-list li{margin:9px 0}.practice-list li::marker{color:var(--teal);font-weight:950}.source-box{background:#fff1ac}.source-caption{margin:2px 0 14px;color:var(--muted);font-size:15px}.source-expansion{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin-bottom:14px}.source-expansion-deep{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}.source-item{border:1px solid rgba(188,168,110,.75);background:#fff8dc;padding:12px}.source-item h3{margin:0 0 8px;font-size:18px;line-height:1.2}.source-item p{margin:0;color:var(--muted)}.source-item-deep{background:#f3f7ef}.route-card{background:#e8f0dc}.route-item{position:relative;padding-top:34px}.route-number{position:absolute;top:10px;left:12px;display:grid;place-items:center;width:24px;height:24px;background:#12646c;color:#fffbe8;font-weight:950}.source-meta{display:grid;gap:4px;margin-top:10px;padding-top:10px;border-top:1px dashed rgba(188,168,110,.9)}.source-meta strong{font-size:12px;color:var(--brick)}.source-meta span{color:var(--ink)}.source-meta.caution span{color:#8a2e20}.plate-path-section{display:grid;gap:18px}.plate-path-group{border:1px solid rgba(188,168,110,.85);background:rgba(255,251,232,.78);padding:16px;box-shadow:7px 7px 0 rgba(18,100,108,.12)}.plate-path-head{display:grid;grid-template-columns:minmax(160px,.32fr) minmax(0,1fr);gap:16px;align-items:start;margin-bottom:12px}.plate-path-head h3{margin:0;font-size:28px;line-height:1.08}.plate-path-head p{margin:0;color:var(--muted)}.plate-detail-stack{display:grid;gap:14px}.plate-callout{background:#dfeef1}.visual-stack{position:sticky;top:86px;display:grid;gap:14px}.viewer{border:1px solid rgba(188,168,110,.82);background:#fff8df;padding:14px}.viewer-main{margin:0;display:grid;place-items:center;gap:8px}.viewer-main img{width:100%;max-height:520px;object-fit:contain;background:var(--white);border:1px solid rgba(188,168,110,.7)}.viewer-main figcaption{width:100%;color:var(--brick);font-weight:900}.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px;margin-top:10px}.thumbs button{padding:3px;box-shadow:none;background:#fffbe8}.thumbs img{display:block;width:100%;height:58px;object-fit:contain}.empty-viewer p{color:var(--muted)}.quiz-box{border:2px solid rgba(154,63,36,.36);background:#fff1ac;padding:16px}.quiz-box p{font-size:18px;color:var(--ink)}.answer{display:none;margin-top:12px;border-top:1px solid var(--line);padding-top:12px;color:var(--muted)}.answer.is-open{display:block}.learning-path{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0 clamp(18px,5vw,70px) 22px}.reading-card .learning-path{padding:0;grid-template-columns:1fr}.path-button{display:block;border:1px solid var(--line);background:#fffbe8;padding:12px;box-shadow:4px 4px 0 rgba(154,63,36,.12)}.path-button span{display:block;color:var(--brick);font-size:12px;font-weight:950}.path-button strong{display:block;line-height:1.25}.path-button.disabled{opacity:.5}
@media(max-width:900px){.hero,.style-board,.page-title,.section-head{grid-template-columns:1fr}.entry-router{grid-template-columns:1fr 1fr}.topbar{align-items:flex-start}.topbar nav{max-width:100%}}
@media(max-width:900px){.visual-stack{position:static}.learning-path{grid-template-columns:1fr}}
@media(max-width:620px){.topbar{padding:6px 8px}.brand strong,.brand em{display:none}.brand span{width:34px;height:34px}.entry-router,.fact-strip{grid-template-columns:1fr}.hero{padding-top:30px}h1{font-size:40px}.topbar nav a,.button,button{padding:7px 8px;font-size:12px}.viewer-main img{max-height:380px}.thumbs{grid-template-columns:repeat(auto-fill,minmax(52px,1fr))}}