:root{--ink:#171717;--muted:#5f5f5f;--line:#dedbd2;--paper:#fbfaf7;--panel:#fff;--soft:#f1eee7;--accent:#7c3f1d;--green:#244f43;--link:#1d5f91}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}a{color:var(--link);text-underline-offset:3px}header{border-bottom:1px solid var(--line);background:rgba(251,250,247,.96)}.nav{max-width:1160px;margin:0 auto;min-height:64px;padding:0 24px;display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{display:inline-flex;align-items:center;text-decoration:none;color:var(--ink);line-height:1}.brand-logo{display:block;width:268px;height:auto;max-width:min(268px,62vw)}nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}main{max-width:1160px;margin:0 auto;padding:34px 24px 72px;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px}.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:14px}.hero,section,.side-card{background:var(--panel);border:1px solid var(--line)}.hero{padding:34px}.eyebrow{margin:0 0 10px;color:var(--accent);font-size:13px;font-weight:750;text-transform:uppercase;letter-spacing:.08em}h1{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(32px,4.6vw,54px);line-height:1.05}h2{margin:0 0 14px;font-family:Georgia,"Times New Roman",serif;font-size:30px;line-height:1.18}h3{margin:24px 0 8px;font-size:19px}p{margin:0 0 14px}.concept-line{margin:10px 0 0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(24px,3vw,34px);line-height:1.18;color:var(--green)}.lede{margin:18px 0 0;font-size:19px;max-width:760px;color:#333}.answer{margin-top:24px;border-left:5px solid var(--green);background:#f4f6f1;padding:18px 20px;font-size:18px}.answer-grid{margin-top:18px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);background:#fff}.answer-grid div{min-width:0;padding:14px;border-right:1px solid var(--line);overflow-wrap:anywhere}.answer-grid div:last-child{border-right:0}.answer-grid span{display:block;color:var(--muted);font-size:12px;font-weight:760;text-transform:uppercase;letter-spacing:.07em;margin-bottom:4px}.quote-card{margin-top:28px;background:#20251f;color:white;padding:30px;display:grid;gap:14px}.quote-card .chinese{font-family:"Songti SC","Noto Serif CJK SC",Georgia,serif;font-size:clamp(42px,7vw,76px);line-height:1.08}.quote-card .pinyin{color:#d6d2c8;font-size:16px}.quote-card .english{border-top:1px solid rgba(255,255,255,.22);padding-top:16px;font-size:20px}section{margin-top:28px;padding:28px}.facts{width:100%;border-collapse:collapse;font-size:15px;table-layout:fixed;max-width:100%}.facts th,.facts td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;overflow-wrap:anywhere}.facts th{width:34%;background:var(--soft);font-weight:750}.relation-grid,.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.relation,.summary-card{border:1px solid var(--line);background:#fffdf8;padding:16px;border-radius:8px;text-decoration:none}.relation strong,.summary-card strong{display:block;margin-bottom:6px}.qa details{border-top:1px solid var(--line);padding:14px 0}.qa summary{cursor:pointer;font-weight:760}.tag-grid{display:flex;flex-wrap:wrap;gap:10px}.tag{display:inline-flex;border:1px solid var(--line);background:var(--soft);padding:7px 10px;border-radius:999px;font-size:14px;color:#303030;text-decoration:none;cursor:pointer}.tool-grid{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:24px;align-items:start}.tool-form{display:grid;gap:14px}.tool-form textarea,.tool-form input{display:block;width:100%;max-width:100%;border:1px solid var(--line);background:#fff;padding:10px 12px;font:inherit;margin-top:6px;resize:vertical}.canvas-wrap{overflow:auto;background:var(--soft);border:1px solid var(--line);padding:14px}canvas{display:block;width:100%;height:auto;background:#fff}.side-card{padding:20px}.side-card h2{font-size:20px;margin-bottom:10px}.mini{color:var(--muted);font-size:13px}.misuse-warning{background:#fff7ed;border-left:5px solid #9a5a2d}aside{align-self:start;position:sticky;top:24px;display:grid;gap:18px}footer{border-top:1px solid var(--line);padding:28px 24px;color:var(--muted);font-size:14px}footer .inner{max-width:1160px;margin:0 auto;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}footer h2{font-family:inherit;font-size:15px;margin:0 0 8px;color:var(--ink)}footer ul{list-style:none;padding:0;margin:0}@media(max-width:920px){main{grid-template-columns:1fr}aside{position:static}.relation-grid,.summary-grid,.tool-grid{grid-template-columns:1fr}footer .inner{grid-template-columns:1fr 1fr}}@media(max-width:620px){.nav{align-items:flex-start;flex-direction:column;padding:14px 18px}main{padding:22px 16px 48px}.hero,section{padding:18px}h1{font-size:34px;line-height:1.08}.concept-line{font-size:24px}.answer-grid{grid-template-columns:1fr 1fr}.answer-grid div{border-bottom:1px solid var(--line)}.answer-grid div:nth-child(2n){border-right:0}.quote-card{padding:22px}footer .inner{grid-template-columns:1fr}}
.geo-snippet-box{background:#f7f8f4;border-left:5px solid var(--green);}.geo-snippet-box h2{font-size:24px;margin-bottom:10px}.geo-snippet-box ul{margin:8px 0 0;padding-left:20px}.geo-snippet-box li{margin:6px 0}

.facts{table-layout:fixed;max-width:100%}.facts td{overflow-wrap:anywhere;word-break:normal}.facts th{overflow-wrap:anywhere;word-break:normal}

.editorial-restructure{background:#fbfaf6;border:1px solid var(--line)}.editorial-restructure h2{font-size:24px;margin-bottom:10px}.editorial-link-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:14px}.muted-tag{background:#f3f0e8;color:var(--muted);cursor:default}@media(max-width:760px){.editorial-link-row{grid-template-columns:1fr}}

.detail-density{background:#fff;border:1px solid var(--line)}.detail-density h2{font-size:24px;margin-bottom:10px}.detail-density h3{font-size:18px;margin:16px 0 6px}.curated-reason span{display:block;margin-top:6px;color:var(--muted)}.task-card em{display:inline-block;margin-top:14px;color:var(--green);font-style:normal;font-weight:700}.intent-cluster h3{font-size:17px;margin-bottom:8px}