@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');
:root{--ink:#202a27;--muted:#78817b;--line:#e4e8e2;--paper:#f4f6f2;--white:#fff;--green:#4b7258;--green-soft:#e9f0e9;--orange:#ae7047;--shadow:0 14px 36px #2533290a}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 'DM Sans','Noto Sans SC',sans-serif}.page-shell{max-width:1260px;margin:auto;padding:0 38px}.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:38px}.brand{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none}.brand>span:last-child{display:grid;line-height:1.15}.brand b{font-size:17px;letter-spacing:-.04em}.brand small{font:9px 'DM Mono',monospace;letter-spacing:.11em;color:#8b938d;margin-top:5px}.brand-mark{width:25px;height:25px;display:grid;grid-template-columns:repeat(2,1fr);gap:3px;transform:rotate(-8deg)}.brand-mark i{background:#647f68;border-radius:2px}.brand-mark i:nth-child(2){opacity:.45}.brand-mark i:nth-child(3){opacity:.7}.topbar nav{display:flex;gap:12px;align-items:center;color:#66716a;font-size:13px}.topbar nav a{color:inherit;text-decoration:none}.topbar nav a:hover,.source-link:hover{color:var(--green)}.divider{color:#b6bdb7}.source-link{margin-left:auto;color:#68746b;text-decoration:none;font-size:12px}.hero{padding:76px 0 42px}.eyebrow,.section-kicker{font:10px 'DM Mono',monospace;letter-spacing:.12em;color:#738078}.eyebrow{display:flex;align-items:center;gap:10px}.pulse{width:7px;height:7px;background:#79a77e;border-radius:50%;box-shadow:0 0 0 4px #79a77e20}.updated{margin-left:8px;padding-left:13px;border-left:1px solid #cbd2ca;letter-spacing:0}.hero h1{font-size:clamp(38px,6vw,66px);letter-spacing:-.065em;line-height:1.1;margin:19px 0 18px;font-weight:600}.hero h1 em{font-style:normal;color:#67816a}.hero p{max-width:700px;color:#69736c;margin:0;font-size:15px}.hero-meta{display:flex;gap:23px;flex-wrap:wrap;margin-top:26px;color:#78827a;font-size:11px}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:12px 0 55px}.category-card{background:#fff;border:1px solid var(--line);border-radius:12px;text-align:left;padding:19px 20px;cursor:pointer;box-shadow:var(--shadow);transition:.18s ease;color:var(--ink)}.category-card:hover{transform:translateY(-2px);border-color:#bdcbbd}.category-card.active{border-color:#829c83;box-shadow:inset 0 0 0 1px #829c83}.category-card .num{font:10px 'DM Mono',monospace;color:#9aa39b}.category-card strong{display:block;font-size:19px;margin:9px 0 2px;letter-spacing:-.03em}.category-card small{color:#879089;font-size:11px}.category-card .count{float:right;font:12px 'DM Mono',monospace;color:#7b8d7c;margin-top:8px}.toolbar{display:flex;justify-content:space-between;align-items:end;border-bottom:1px solid var(--line);padding-bottom:17px}.toolbar h2{margin:5px 0 0;font-size:23px;letter-spacing:-.04em}.toolbar h2 small{font:11px 'DM Mono',monospace;color:#929a93;vertical-align:middle;margin-left:8px}.search{width:min(320px,45vw);border:1px solid #dfe4dd;background:white;border-radius:8px;padding:8px 12px;display:flex;align-items:center;gap:8px;color:#8e9990}.search input{border:0;outline:0;width:100%;font:12px 'DM Sans','Noto Sans SC',sans-serif;color:var(--ink);background:transparent}.question-list{display:grid;gap:10px;padding:17px 0 70px}.question-card{display:grid;grid-template-columns:50px 1fr auto;gap:17px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:11px;padding:19px 21px;box-shadow:var(--shadow)}.q-icon{height:38px;width:38px;background:#f0f3ef;border-radius:9px;display:grid;place-items:center;color:#718675;font:14px 'DM Mono',monospace}.q-content h3{font-size:15px;line-height:1.55;margin:0 0 10px;font-weight:600}.tags{display:flex;gap:7px;flex-wrap:wrap}.tag{border-radius:20px;padding:3px 8px;background:#f3f5f2;color:#737e75;font-size:10px}.tag.category{background:var(--green-soft);color:#59765e}.q-date{color:#9aa29b;font:10px 'DM Mono',monospace;margin-top:3px;white-space:nowrap}.source{color:#738b75;text-decoration:none;font-size:11px;white-space:nowrap;padding-top:3px}.source:hover{text-decoration:underline}.empty{border:1px dashed #cfd7ce;background:#ffffff8c;border-radius:12px;padding:36px;text-align:center;color:#758078}.empty strong{display:block;color:#46534a;font-size:16px;margin-bottom:6px}.empty p{margin:0;font-size:12px}.notice{font-size:11px;color:#8a938c;margin:13px 0 0}footer{border-top:1px solid var(--line);padding:17px 0 26px;display:flex;justify-content:space-between;gap:20px;color:#969e97;font-size:10px}footer span:first-child{font:9px 'DM Mono',monospace;letter-spacing:.1em}@media(max-width:720px){.page-shell{padding:0 18px}.topbar{height:68px;gap:17px}.topbar nav{display:none}.hero{padding:53px 0 34px}.category-grid{grid-template-columns:repeat(2,1fr);margin-bottom:40px}.category-card{padding:15px}.toolbar{align-items:start;gap:15px;flex-direction:column}.search{width:100%}.question-card{grid-template-columns:38px 1fr;gap:11px;padding:15px}.q-icon{width:34px;height:34px}.source{grid-column:2}.q-date{grid-column:2;grid-row:2;margin:0}footer{flex-direction:column;gap:4px}}
.source-title{font-size:11px;color:#8a948c;margin:-5px 0 10px}
.answer-points{margin-top:13px;color:#68746b;font-size:12px}.answer-points summary{width:max-content;cursor:pointer;color:#58745d;font-weight:600}.answer-points ul{margin:9px 0 0;padding-left:18px}.answer-points li{margin:4px 0;line-height:1.65}.source-title{color:#8a948b;font-size:11px;margin:-4px 0 9px}
.knowledge-points{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:9px}.knowledge-label{font-size:10px;color:#929b93;margin-right:2px}.knowledge-chip{border:1px solid #e5eae4;border-radius:20px;padding:3px 8px;background:#f7f9f6;color:#718075;font:10px 'DM Sans','Noto Sans SC',sans-serif;cursor:pointer;transition:.15s ease}.knowledge-chip:hover{border-color:#9eb29e;background:#edf3ec;color:#47684d}