:root{color-scheme:light dark;--bg:#f5f5f7;--card:rgba(255,255,255,.82);--text:#1d1d1f;--muted:#6e6e73;--line:rgba(0,0,0,.08);--accent:#e88a0a}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,rgba(255,184,40,.13),transparent 28rem),var(--bg);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC",sans-serif}main{width:min(760px,calc(100% - 36px));margin:0 auto;padding:64px 0 80px}header{display:flex;gap:17px;align-items:center;margin-bottom:30px}.mark{display:grid;place-items:center;width:58px;height:58px;border-radius:17px;background:linear-gradient(145deg,#ffc544,#ef8b0b);color:#fff;font-size:24px;font-weight:800;box-shadow:0 12px 28px rgba(232,138,10,.22)}header p,header h1,header small{margin:0}header p,header small{color:var(--muted)}header h1{font-size:36px;line-height:1.2;letter-spacing:-.035em}aside{padding:20px 22px;background:var(--card);border:1px solid var(--line);border-radius:18px;backdrop-filter:blur(20px);box-shadow:0 14px 40px rgba(0,0,0,.05);margin-bottom:42px}h2{font-size:22px;margin:38px 0 12px}h3{font-size:17px;margin:22px 0 4px}p,li{color:var(--muted)}strong{color:var(--text)}ul{padding-left:22px}footer{margin-top:55px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}a{color:var(--accent)}@media(prefers-color-scheme:dark){:root{--bg:#111214;--card:rgba(35,36,39,.82);--text:#f5f5f7;--muted:#a1a1a6;--line:rgba(255,255,255,.09)}}