:root{
  --bg:#f3f6f9; --panel:#fff; --line:#e2e8f0;
  --text:#111827; --muted:#64748b;
  --primary:#00a896; --primary-2:#028090;
  --dark:#111b2d; --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:920px;margin:0 auto;padding:0 24px}

/* 顶栏 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);margin-bottom:8px}
.nav .wrap{display:flex;align-items:center;gap:28px;height:62px;max-width:1120px}
.nav .logo{font-size:21px;font-weight:900;letter-spacing:-.5px;
  background:linear-gradient(90deg,var(--primary-2),var(--primary));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav .links{display:flex;gap:22px;font-size:14px;color:var(--muted);flex:1}
.nav .links a:hover{color:var(--primary-2)}
.nav .acts{display:flex;gap:10px}
.btn{display:inline-block;padding:9px 18px;border-radius:9px;font-size:14px;
  font-weight:600;border:1px solid transparent;transition:.2s;white-space:nowrap;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;
  box-shadow:0 4px 14px rgba(0,168,150,.25)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--muted);background:#fff}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-2)}

/* 面包屑 */
.crumb{font-size:13px;color:var(--muted);padding:22px 0 0}
.crumb a:hover{color:var(--primary-2)}

/* 页头 */
.ph{padding:26px 0 34px;border-bottom:1px solid var(--line);margin-bottom:34px}
.ph .tag{display:inline-block;padding:4px 12px;border-radius:99px;font-size:12px;font-weight:700;
  background:rgba(0,168,150,.1);color:var(--primary-2);margin-bottom:14px}
.ph h1{font-size:clamp(26px,4.4vw,36px);font-weight:900;letter-spacing:-.8px;line-height:1.3;margin-bottom:12px}
.ph .lead{font-size:16.5px;color:var(--muted)}
.ph .meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:20px;font-size:13.5px;color:var(--muted)}
.ph .meta b{color:var(--primary-2);font-size:16px}

/* 正文 */
.body{margin-bottom:44px}
.body h2,.tbl h2,.rel h2{font-size:21px;font-weight:800;margin-bottom:16px;
  padding-left:13px;border-left:4px solid var(--primary)}
.body p{margin-bottom:16px;font-size:15.5px;color:#374151}

/* 表格 */
.tbl{margin-bottom:44px}
.tbl .note{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:620px}
thead th{background:#f8fafc;text-align:left;padding:13px 14px;font-size:13px;
  font-weight:700;color:var(--muted);border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{padding:13px 14px;border-bottom:1px solid #f1f5f9}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(0,168,150,.03)}
td.idx{color:var(--muted);font-size:13px;width:38px}
td.nm{font-weight:650}
td.mt{white-space:nowrap}
td.mt b{color:var(--primary-2);font-size:15px}
.lv{display:inline-block;padding:2px 9px;border-radius:6px;font-size:12px;
  background:#f1f5f9;color:var(--muted);white-space:nowrap}

/* 转化区 */
.gate{margin-top:20px;padding:26px 28px;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.gate h3{font-size:19px;font-weight:800;margin-bottom:6px}
.gate p{font-size:14px;opacity:.9;max-width:520px}
.gate .btn{background:#fff;color:var(--primary-2);padding:12px 26px;flex-shrink:0}

/* 相关赛道 / 索引卡 */
.rel{padding-bottom:52px}
.rgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px}
.rgrid a{display:block;padding:15px 17px;border-radius:12px;background:var(--panel);
  border:1px solid var(--line);transition:.2s;font-size:14.5px}
.rgrid a:hover{border-color:rgba(0,168,150,.45);box-shadow:0 8px 20px rgba(2,128,144,.07);transform:translateY(-2px)}
.rgrid a b{display:block;font-weight:700}
.rgrid a span{display:block;font-size:12px;color:var(--muted);margin-top:3px}

.igrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:16px}
.icard{display:block;padding:22px 22px 20px;border-radius:var(--radius);background:var(--panel);
  border:1px solid var(--line);transition:.25s}
.icard:hover{border-color:rgba(0,168,150,.45);box-shadow:0 12px 30px rgba(2,128,144,.09);transform:translateY(-3px)}
.icard .tag{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11.5px;font-weight:700;
  background:rgba(0,168,150,.1);color:var(--primary-2);margin-bottom:11px}
.icard h3{font-size:17.5px;font-weight:800;margin-bottom:7px}
.icard p{font-size:13.5px;color:var(--muted);line-height:1.6;margin-bottom:12px}
.icard .cnt{font-size:12.5px;color:var(--primary-2);font-weight:650}

/* 页脚 */
footer{background:var(--dark);color:rgba(255,255,255,.45);padding:40px 0;font-size:13px;margin-top:20px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center;max-width:1120px}
footer .fl{font-weight:800;font-size:17px;color:var(--primary);margin-bottom:5px}
footer a{color:rgba(255,255,255,.6)}
footer a:hover{color:var(--primary)}
.disclaimer{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12px;line-height:1.75;color:rgba(255,255,255,.32)}

@media(max-width:700px){
  .nav .links{display:none}
  .ph{padding:18px 0 26px}
  .ph .meta{gap:16px}
  .gate{padding:22px}
}