:root{--bg:#f8fafc;--surface:#fff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--accent:#2563eb;--accent2:#7c3aed;--green:#047857;--green-bg:#ecfdf5;--amber:#92400e;--amber-bg:#fffbeb;--radius:14px}
*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;margin:0;background:var(--bg);color:var(--text);line-height:1.7}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:1020px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:10px}
.logo{font-weight:800;font-size:18px;color:var(--text)}
.logo b{color:var(--accent)}
.topbar-inner span{color:var(--muted);font-size:13px}
.wrap{max-width:1020px;margin:0 auto;padding:0 20px 48px}
.hero{padding:48px 0 8px}
.hero h1{font-size:42px;line-height:1.2;margin:0 0 12px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:17px;color:var(--muted);max-width:680px;margin:0}
.stats{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 18px}
.stat strong{font-size:22px;display:block;line-height:1.2}
.stat span{color:var(--muted);font-size:13px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0}
@media(max-width:640px){.grid{grid-template-columns:1fr}.hero h1{font-size:32px}}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;color:var(--text);transition:.15s}
.card:hover{border-color:var(--accent);box-shadow:0 8px 24px rgba(37,99,235,.12);transform:translateY(-2px);text-decoration:none}
.card .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--accent);background:#eff6ff;border-radius:999px;padding:3px 10px;margin-bottom:10px}
.card h3{margin:0 0 6px;font-size:19px}
.card p{margin:0;color:var(--muted);font-size:14px}
.card .go{margin-top:12px;font-size:14px;font-weight:600;color:var(--accent)}
h2{font-size:24px;margin:36px 0 8px}
.section-note{color:var(--muted)}
ul.tight li{margin:6px 0}
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin:20px 0}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:760px}
th,td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:#f1f5f9;font-size:13px;color:#334155;position:sticky;top:0}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#f8fafc}
.badge{display:inline-block;font-size:12px;font-weight:700;border-radius:999px;padding:2px 9px;white-space:nowrap}
.badge.green{background:var(--green-bg);color:var(--green)}
.badge.amber{background:var(--amber-bg);color:var(--amber)}
.badge.grey{background:#f1f5f9;color:#475569}
.badge.blue{background:#eff6ff;color:var(--accent)}
.hero-dark{background:#0f172a;color:#fff;border-radius:18px;padding:36px 28px;margin:24px 0}
.hero-dark h1{color:#fff}
.hero-dark p{color:#cbd5e1}
.hero-dark em{font-style:normal;background:linear-gradient(90deg,#60a5fa,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-dark input{width:100%;max-width:560px;margin-top:18px;padding:13px 16px;border-radius:10px;border:1px solid #334155;background:#1e293b;color:#fff;font-size:16px;outline:none}
.hero-dark input::placeholder{color:#94a3b8}
.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.pills button{border:1px solid #334155;background:transparent;color:#e2e8f0;border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer}
.pills button.on{background:#2563eb;border-color:#2563eb;color:#fff}
.api-grid{grid-template-columns:1fr 1fr 1fr}
@media(max-width:900px){.api-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.api-grid{grid-template-columns:1fr}}
.api-card h3{font-size:16px}
.api-card p{font-size:13px;min-height:40px}
.badges{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.verdict{background:#0f172a;color:#fff;border-radius:14px;padding:20px 22px;margin:20px 0;font-size:16px;line-height:1.7}
.verdict strong{color:#93c5fd}
.pick-grid{grid-template-columns:1fr 1fr 1fr}
@media(max-width:900px){.pick-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.pick-grid{grid-template-columns:1fr}}
footer{border-top:1px solid var(--line);margin-top:40px;padding-top:20px;color:var(--muted);font-size:13px}
.back{font-size:14px}