:root{
  --ink:#141414;
  --ink-2:#2a2a2a;
  --paper:#fbf9f6;
  --paper-2:#f4f0ea;
  --red:#c8402f;
  --red-soft:#e0685a;
  --line:#e3ddd4;
  --muted:#6f675e;
  --wrap:1040px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:16px/1.75 "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(251,249,246,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:baseline;gap:8px;text-decoration:none}
.brand-cn{font-size:20px;font-weight:800;letter-spacing:.06em}
.brand-en{font-size:11px;letter-spacing:.22em;color:var(--red);font-weight:700}
.links{display:flex;gap:20px;flex-wrap:wrap}
.links a{text-decoration:none;font-size:14px;color:var(--muted)}
.links a:hover{color:var(--red)}

/* hero */
.hero{padding:84px 0 64px;background:
  radial-gradient(1100px 380px at 12% -10%, rgba(200,64,47,.10), transparent 60%),
  linear-gradient(180deg,#fff 0%, var(--paper) 100%);
  border-bottom:1px solid var(--line)}
.eyebrow{margin:0 0 14px;font-size:12px;letter-spacing:.3em;color:var(--red);font-weight:700}
.hero h1{margin:0;font-size:clamp(38px,7vw,68px);line-height:1.12;letter-spacing:.02em;font-weight:900}
.accent{color:var(--red)}
.lead{margin:22px 0 0;max-width:660px;font-size:17px;color:var(--ink-2)}
.hero-meta{margin-top:30px;display:flex;gap:10px;flex-wrap:wrap}
.hero-meta span{font-size:12.5px;color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 13px}

/* sections */
.section{padding:66px 0}
.section.alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{margin:0 0 22px;font-size:24px;font-weight:800;letter-spacing:.02em;position:relative;padding-left:14px}
h2:before{content:"";position:absolute;left:0;top:.32em;width:5px;height:1.05em;background:var(--red);border-radius:2px}
.section p{margin:0 0 14px}
.tagline{margin-top:-8px;color:var(--red);font-weight:600;font-size:15px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.stat b{display:block;font-size:26px;letter-spacing:.01em}
.stat span{font-size:13px;color:var(--muted)}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.timeline li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--red);border-radius:12px;padding:16px 18px}
.timeline h3{margin:0 0 6px;font-size:17px}
.timeline h3 span{font-size:12.5px;color:var(--muted);font-weight:500;margin-left:8px}
.timeline p{margin:0;color:var(--ink-2);font-size:15px}

/* two column bullets */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.bullets{margin:0;padding-left:20px}
.bullets li{margin-bottom:9px;color:var(--ink-2);font-size:15px}
.bullets li::marker{color:var(--red)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(20,20,20,.07)}
.card h3{margin:0 0 8px;font-size:17px}
.card p{margin:0;font-size:14.5px;color:var(--ink-2)}

/* org */
.org{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.org-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:6px}
.org-item b{font-size:19px}
.org-item span{font-size:13.5px;color:var(--muted)}

/* contact */
.mail{font-size:19px}
.mail a{color:var(--red);text-decoration:none;border-bottom:1px dashed var(--red-soft)}
.small{font-size:13.5px;color:var(--muted)}

/* footer */
.foot{border-top:1px solid var(--line);padding:26px 0 40px;background:#fff}
.foot p{margin:0 0 6px;font-size:13px;color:var(--muted)}
.pending{opacity:.7}

@media (max-width:760px){
  .hero{padding:60px 0 46px}
  .two-col{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .links{display:none}
}