:root{color-scheme:light;--paper:#f5f3ec;--ink:#233c33;--muted:#52665b;--line:#d8dfd2;--green:#345745;--surface:#fffefa}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 system-ui,-apple-system,"PingFang SC",sans-serif}a{color:inherit;text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid #96702f;outline-offset:4px}.skip{position:absolute;top:-200px}.skip:focus{top:5px;left:8px;z-index:60;background:white;padding:12px}main,footer{max-width:1200px;margin:auto;padding:42px 28px}h1,h2,h3{font-family:"Songti SC","Noto Serif CJK SC",serif;font-weight:500;line-height:1.4}h1{font-size:clamp(32px,5vw,50px);margin:8px 0 20px}h2{font-size:27px;margin-top:38px}.kicker{font-size:12px;letter-spacing:.14em;color:#85602d}.lead{max-width:760px;color:var(--muted)}.hub-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0 36px}.hub-card{display:flex;flex-direction:column;align-items:start;padding:25px;background:var(--surface);border:1px solid var(--line);border-radius:14px;min-width:0;overflow-wrap:anywhere}.hub-card h2{font-size:24px;margin:5px 0}.hub-card p{color:var(--muted);margin:10px 0 22px}.hub-card small{font-size:12px;color:var(--muted)}.hub-card>a{margin-top:auto;min-height:44px;padding:8px 14px;border:1px solid var(--green);border-radius:7px;background:var(--green);color:white;text-decoration:none}.hub-note{padding:20px;border-left:3px solid #a77d34;background:#e9ede3}.hub-note a{display:inline-block;min-height:44px;margin-right:20px;padding-block:8px}footer{border-top:1px solid var(--line);font-size:13px;color:var(--muted)}@media(max-width:1100px){.hub-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){main,footer{padding:26px 18px}.hub-grid{grid-template-columns:1fr;gap:12px}.hub-card{padding:20px}.hub-card>a{width:100%;text-align:center}}@media(prefers-reduced-motion:no-preference){.hub-card>a{transition:background-color .15s ease}.hub-card>a:hover{background:#244432}}