/* =========================================================
   tokens.css — 设计变量、重置、排版基线与通用工具类
   改品牌色只需修改 :root 中的 --gold / --gold-hi
   ========================================================= */

:root{
  --ink:#0A0B0D;
  --ink-2:#111318;
  --ink-3:#191C22;
  --gold:#E9A33C;
  --gold-hi:#FFC768;
  --gold-dim:rgba(233,163,60,.14);
  --cream:#FBF8F2;
  --paper:#FFFFFF;
  --text:#14161A;
  --text-2:#3D434C;
  --muted:#6E7683;
  --line:#E8E2D6;
  --line-soft:#F1ECE2;
  --red:#DE3A3A;
  --green:#0F9D6B;
  --r:18px;
  --font:"Inter","HarmonyOS Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"SF Mono","JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.025em;font-weight:700}
p{margin:0}
::selection{background:var(--gold);color:#0A0B0D}

.wrap{width:min(1180px,100% - 44px);margin-inline:auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:20px;height:1.5px;background:currentColor;opacity:.6}
.sec{padding:clamp(60px,8vw,104px) 0}
.sec-head{max-width:680px;margin-bottom:clamp(34px,4.6vw,54px)}
.sec-head h2{font-size:clamp(27px,3.6vw,42px)}
.sec-head p{margin-top:16px;font-size:clamp(15px,1.35vw,17px);line-height:1.72;color:var(--muted)}

.up{color:var(--red)}      /* 涨 → 红 */
.down{color:var(--green)}  /* 跌 → 绿 */
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}