:root{--bg:#f6f7f9;--panel:#ffffff;--ink:#14181f;--muted:#5b6472;--line:#e4e7ec;--brand:#2f6bff;--brand-ink:#ffffff;--ok:#157347;--ok-bg:#e7f4ec;--warn:#9a6a00;--warn-bg:#fbf1dc;--bad:#b42318;--bad-bg:#fdecea;--radius:10px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1)}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:22px;margin:0 0 4px}h2{font-size:17px;margin:0 0 8px}.muted{color:var(--muted)}.small{font-size:13px}.topbar{display:flex;align-items:center;justify-content:space-between;background:var(--panel);border-bottom:1px solid var(--line);padding:12px 20px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700;letter-spacing:-.2px}.topbar nav a{color:var(--ink);margin-left:18px;font-weight:500}.topbar nav a.active{color:var(--brand)}.wrap{max-width:1080px;margin:0 auto;padding:24px 20px 60px}.wrap-narrow{max-width:720px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card+.card{margin-top:16px}.card .pad{padding:18px 20px}.grid{display:grid;grid-gap:16px;gap:16px}.row{display:flex;gap:12px;align-items:center}.row.between{justify-content:space-between}.spread{display:flex;gap:24px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:6px;cursor:pointer;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:8px 14px;border-radius:8px;font-weight:600;font-size:14px}.btn:hover{border-color:#cfd4dc;text-decoration:none}.btn.primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}.btn.ok{background:var(--ok);color:#fff;border-color:var(--ok)}.btn.danger{background:#fff;color:var(--bad);border-color:#f0c4c0}.btn.small{padding:5px 10px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;border:1px solid var(--line)}.badge.ok{background:var(--ok-bg);color:var(--ok)}.badge.ok,.badge.warn{border-color:transparent}.badge.warn{background:var(--warn-bg);color:var(--warn)}.badge.bad{background:var(--bad-bg);color:var(--bad);border-color:transparent}.badge.neutral{background:#eef1f5;color:var(--muted);border-color:transparent}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);font-size:14px}th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}tr:last-child td{border-bottom:none}label{display:block;font-weight:600;font-size:13px;margin:14px 0 5px}input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}textarea{min-height:90px;resize:vertical}.field-hint{font-size:12px;color:var(--muted);margin-top:4px}.scores{display:flex;gap:10px;flex-wrap:wrap}.score{text-align:center;border:1px solid var(--line);border-radius:8px;padding:8px 14px;min-width:74px}.score .n{font-size:20px;font-weight:700}.score .l{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}.article{line-height:1.65}.article h2{font-size:20px;margin:22px 0 8px}.article h3{font-size:16px;margin:16px 0 6px}.article p{margin:10px 0}.article a{text-decoration:underline}.hero{width:100%;border-radius:8px;border:1px solid var(--line);margin-bottom:14px}.auth{max-width:380px;margin:8vh auto}.notice{padding:10px 14px;border-radius:8px;font-size:14px}.notice.err{background:var(--bad-bg);color:var(--bad)}.notice.info{background:#eaf1ff;color:#1b4fd1}.codeblock{background:#0e1420;color:#d7e2f4;border-radius:8px;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;white-space:pre-wrap;overflow-x:auto}.blog-wrap{max-width:760px;margin:0 auto;padding:40px 20px 64px}.blog-head{margin-bottom:24px}.blog-head h1{font-size:30px}.blog-index{list-style:none;padding:0;margin:0}.blog-index li{padding:18px 0;border-bottom:1px solid var(--line)}.blog-index li a{font-size:20px;font-weight:700;text-decoration:none}.blog-index li a:hover{text-decoration:underline}.blog-index time{display:block;color:var(--muted);font-size:13px;margin:4px 0}.blog-wrap .article h1{font-size:30px;margin-bottom:6px}.blog-wrap .article img{max-width:100%;height:auto}