:root{color-scheme:light dark;--bg:#f4f7f3;--panel:#fff;--ink:#1c3027;--muted:#52695c;--line:#d8e4db;--accent:#205f47;font:16px/1.7 system-ui,'Microsoft YaHei',sans-serif;background:var(--bg);color:var(--ink)}*{box-sizing:border-box}body{margin:0}main{max-width:860px;margin:auto;padding:36px 22px 50px}header{display:flex;align-items:flex-start;gap:18px;margin:12px 0 28px}header h1{font-size:clamp(1.6rem,5vw,2.2rem);line-height:1.4;margin:.15em 0}header p{margin:0;color:var(--muted)}.mark{width:54px;height:54px;background:var(--accent);color:white;border-radius:18px;display:grid;place-content:center;font-size:30px;flex:none}.eyebrow{font-size:.8rem;letter-spacing:.06em}.privacy{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px}.privacy p{font-size:.87rem;color:var(--muted);margin:.5em 0}nav{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}button,input,textarea{font:inherit;color:inherit}button{min-height:44px;padding:9px 15px;border:1px solid var(--line);border-radius:12px;background:var(--panel);cursor:pointer}button:hover{border-color:var(--accent)}button[aria-pressed=true],button[type=submit]{background:var(--accent);color:white}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}input,textarea{width:100%;border:1px solid var(--line);padding:11px;border-radius:10px;background:var(--panel)}label{display:block;margin-top:12px;font-weight:600}form{margin:20px 0;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}form button{margin-top:12px}h2{font-size:1.25rem}h3{font-size:1rem}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.help{font-size:.85rem;color:var(--muted)}.subjects{display:grid;gap:12px}.subject{text-align:left;display:block;width:100%;padding:18px}.subject strong,.subject small{display:block;overflow-wrap:anywhere}.subject small{color:var(--muted)}article{padding:16px;margin:12px 0;background:var(--panel);border:1px solid var(--line);border-radius:15px}article p{white-space:pre-wrap;overflow-wrap:anywhere}article header{display:block;font-size:.85rem;margin:0;color:var(--muted)}article button{margin-right:8px;font-size:.85rem}.marker{display:inline-block;border-radius:8px;background:var(--bg);padding:2px 9px;font-size:.85rem}#status{padding:10px 2px;overflow-wrap:anywhere}details{margin-top:30px;border-top:1px solid var(--line);padding-top:16px}summary{cursor:pointer;min-height:44px}.check{display:flex;align-items:flex-start;gap:10px;font-weight:400;font-size:.85rem}.check input{width:22px;height:22px;flex:none}dialog{border:1px solid var(--line);border-radius:20px;background:var(--panel);color:var(--ink);max-width:calc(100% - 24px);width:430px;max-height:88vh;overflow:auto}dialog::backdrop{background:#152d2466}footer{margin-top:40px;font-size:.8rem;color:var(--muted)}a{color:var(--accent)}[hidden]{display:none!important}@media(prefers-color-scheme:dark){:root{--bg:#101b17;--panel:#1b2b23;--ink:#e6f1e9;--muted:#a6bdb0;--line:#344b3d;--accent:#387d5b}}@media(max-width:420px){main{padding:18px 16px}header{gap:12px}.mark{width:44px;height:44px}.section-heading{align-items:flex-start}nav button{flex:1;font-size:.9rem}}