:root{--bg:#f7f8fc;--ink:#0f172a;--muted:#667085;--line:#e6e8f0;--primary:#4f46e5;--primary2:#7c3aed;--soft:#eef2ff;--card:#fff}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(900px 480px at 10% -10%,rgba(79,70,229,.12),transparent 60%),var(--bg);color:var(--ink);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--primary)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px 64px}
header{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:rgba(247,248,252,.86);border-bottom:1px solid var(--line)}
.nav{max-width:1200px;margin:0 auto;padding:0 20px;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800}
.mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:grid;place-items:center;overflow:hidden;flex:0 0 auto}
.mark svg{width:38px;height:38px;display:block}
.brand small{display:block;font-size:11px;color:var(--muted);font-weight:400}
.navlinks{display:flex;gap:16px;flex-wrap:wrap}
.navlinks a{font-size:12.5px;color:#475467;text-decoration:none}
.navlinks a:hover{color:var(--primary)}
.hero{padding:38px 0 10px}
.eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);font-weight:800}
h1{font-size:38px;line-height:1.15;letter-spacing:-1.2px;margin:8px 0 10px}
.lead{color:var(--muted);max-width:820px;margin:0 0 16px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;text-decoration:none;color:var(--ink);transition:.15s}
.card:hover{border-color:#c7d2fe;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,23,42,.08)}
.card h3{margin:0 0 6px;font-size:15px}
.card p{margin:0;color:var(--muted);font-size:12.5px;line-height:1.65}
.badge{display:inline-block;font-size:10.5px;padding:2px 7px;border-radius:999px;background:var(--soft);color:var(--primary);font-weight:700;margin-right:4px}
.badge.gray{background:#f2f4f7;color:#475467}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:28px 0 10px;flex-wrap:wrap}
.section-head h2{font-size:20px;margin:0}
.section-head .sub{font-size:12px;color:var(--muted)}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.toolbar input{flex:1 1 280px;padding:11px 13px;border:1px solid var(--line);border-radius:11px;font:inherit;font-size:13px;background:#fff}
.toolbar button{border:1px solid var(--line);background:#fff;color:#475467;border-radius:999px;padding:8px 12px;font:inherit;font-size:12px;cursor:pointer}
.toolbar button.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.item h3{margin:0 0 4px;font-size:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.item p{margin:0 0 8px;color:var(--muted);font-size:12.5px}
.item a.go{font-size:12px;font-weight:700;text-decoration:none}
.item .meta{font-size:11px;color:var(--muted);margin-top:7px}
.note{font-size:12px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:12px 0}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid #eef0f5;font-size:13px;vertical-align:top}
th{background:#f8faff;color:#475467;font-size:12px}
tr:last-child td{border-bottom:0}
.rank{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:8px;background:var(--soft);color:var(--primary);font-weight:800;font-size:12px}
.rank.gold{background:#fef3c7;color:#92400e}.rank.silver{background:#e5e7eb;color:#374151}.rank.bronze{background:#ffedd5;color:#9a3412}
.steps{display:grid;gap:10px}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.step b{font-size:13px}
.step p{margin:4px 0 0;color:var(--muted);font-size:12.5px}
.step a{font-size:12px}
footer{border-top:1px solid var(--line);margin-top:34px;padding:18px 0;color:var(--muted);font-size:11.5px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.grid,.list{grid-template-columns:1fr}h1{font-size:30px}.navlinks{display:none}}