:root{
  --bg:#fbfbfd;
  --ink:#111827;
  --muted:#667085;
  --line:#e8eaf0;
  --card:#ffffff;
  --soft:#f3f6ff;
  --blue:#2563eb;
  --violet:#7c3aed;
  --pink:#ec4899;
  --green:#10b981;
  --radius:24px;
  --shadow:0 24px 70px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 10% 10%,rgba(37,99,235,.12),transparent 28%),
    radial-gradient(circle at 90% 15%,rgba(236,72,153,.10),transparent 28%),
    radial-gradient(circle at 50% 90%,rgba(124,58,237,.10),transparent 32%);
  z-index:-2;
}
.noise{
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.4;
  background-image:linear-gradient(rgba(17,24,39,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(17,24,39,.025) 1px,transparent 1px);
  background-size:44px 44px;
  z-index:-1;
}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,92%);margin:0 auto}
.nav{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(18px);
  background:rgba(251,251,253,.72);
  border-bottom:1px solid rgba(232,234,240,.7);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:flex;gap:10px;align-items:center;font-weight:800;letter-spacing:-.03em;
}
.logo-mark{
  width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;color:white;
  background:linear-gradient(135deg,var(--blue),var(--violet),var(--pink));
  box-shadow:0 14px 34px rgba(37,99,235,.22);
}
.nav-links{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:14px}
.nav-links a:hover{color:var(--ink)}
.cta-small{
  padding:10px 14px;border-radius:999px;background:#111827;color:white;font-weight:700;
}
.hero{
  padding:92px 0 60px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;gap:8px;align-items:center;
  padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72);
  color:var(--muted);font-size:14px;
  box-shadow:0 10px 30px rgba(15,23,42,.04);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px rgba(16,185,129,.12)}
h1{
  font-size:clamp(42px,7vw,84px);
  line-height:1.02;
  letter-spacing:-.065em;
  margin:24px 0 22px;
}
.grad{
  background:linear-gradient(90deg,var(--blue),var(--violet),var(--pink));
  -webkit-background-clip:text;color:transparent;
}
.lead{
  font-size:19px;line-height:1.9;color:var(--muted);max-width:720px;
}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 20px;border-radius:16px;font-weight:800;
  border:1px solid var(--line);
  transition:.25s ease;
}
.btn:hover{transform:translateY(-3px)}
.btn.primary{background:#111827;color:white;border-color:#111827;box-shadow:0 18px 50px rgba(17,24,39,.18)}
.btn.secondary{background:white;color:var(--ink)}
.hero-card{
  border:1px solid var(--line);
  background:rgba(255,255,255,.78);
  border-radius:34px;
  padding:26px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.hero-card:before{
  content:"";
  position:absolute;
  width:220px;height:220px;border-radius:50%;
  right:-70px;top:-70px;
  background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(236,72,153,.18));
  filter:blur(10px);
}
.profile{
  position:relative;
  display:flex;gap:18px;align-items:center;margin-bottom:24px;
}
.avatar{
  width:76px;height:76px;border-radius:24px;
  background:linear-gradient(135deg,var(--blue),var(--violet),var(--pink));
  display:grid;place-items:center;color:white;font-size:32px;font-weight:900;
}
.profile h2{margin:0 0 4px;font-size:28px;letter-spacing:-.04em}
.profile p{margin:0;color:var(--muted)}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;position:relative}
.mini{
  padding:18px;border-radius:20px;background:rgba(248,250,252,.82);border:1px solid var(--line);
}
.mini strong{display:block;font-size:23px;margin-bottom:5px}
.mini span{color:var(--muted);font-size:14px}
.section{padding:78px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.section h2{font-size:42px;letter-spacing:-.055em;margin:0}
.section-desc{color:var(--muted);line-height:1.8;max-width:620px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{
  background:rgba(255,255,255,.78);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:0 16px 45px rgba(15,23,42,.045);
  transition:.25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.icon{
  width:46px;height:46px;border-radius:16px;background:var(--soft);
  display:grid;place-items:center;font-size:22px;margin-bottom:18px;
}
.card h3{font-size:22px;letter-spacing:-.035em;margin:0 0 12px}
.card p,.card li{color:var(--muted);line-height:1.78}
.card ul{padding-left:18px;margin:0}
.project{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:18px;align-items:stretch;
}
.project-visual{
  min-height:300px;border-radius:30px;overflow:hidden;position:relative;
  background:linear-gradient(135deg,#111827,#1e3a8a,#7c3aed);
  box-shadow:var(--shadow);
}
.project-visual:before{
  content:"";
  position:absolute;inset:24px;
  border:1px solid rgba(255,255,255,.2);
  border-radius:24px;
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(8px);
}
.wave{
  position:absolute;left:40px;right:40px;top:120px;height:110px;
  display:flex;align-items:center;gap:8px;
}
.wave i{
  display:block;width:9px;border-radius:999px;background:rgba(255,255,255,.8);
  animation:bounce 1.4s infinite ease-in-out alternate;
}
.wave i:nth-child(1){height:32px}.wave i:nth-child(2){height:76px;animation-delay:.1s}.wave i:nth-child(3){height:48px;animation-delay:.2s}.wave i:nth-child(4){height:94px;animation-delay:.3s}.wave i:nth-child(5){height:58px;animation-delay:.4s}.wave i:nth-child(6){height:88px;animation-delay:.5s}.wave i:nth-child(7){height:38px;animation-delay:.6s}.wave i:nth-child(8){height:70px;animation-delay:.7s}
@keyframes bounce{to{transform:scaleY(.45);opacity:.55}}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.badge{
  display:inline-flex;padding:7px 10px;border-radius:999px;background:#eef2ff;color:#4338ca;font-size:13px;font-weight:700;
}
.timeline{position:relative;padding-left:24px}
.timeline:before{content:"";position:absolute;left:5px;top:5px;bottom:5px;width:2px;background:linear-gradient(var(--blue),var(--pink))}
.time{position:relative;margin-bottom:18px;padding:20px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.75)}
.time:before{content:"";position:absolute;left:-25px;top:25px;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px rgba(37,99,235,.12)}
.time h3{margin:0 0 8px}
.time p{margin:0;color:var(--muted);line-height:1.75}
.now-box{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
.article{
  display:flex;justify-content:space-between;gap:18px;align-items:flex-start;
  padding:22px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.74);
}
.article h3{margin:0 0 8px;font-size:20px}
.article p{margin:0;color:var(--muted);line-height:1.7}
.article span{color:var(--blue);font-weight:800;white-space:nowrap}
.contact{
  text-align:center;padding:60px 28px;border-radius:34px;background:#111827;color:white;position:relative;overflow:hidden;
}
.contact:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:rgba(37,99,235,.35);filter:blur(20px);left:-130px;top:-120px}
.contact *{position:relative}
.contact h2{font-size:44px;letter-spacing:-.055em;margin:0 0 16px}
.contact p{color:#cbd5e1;line-height:1.8}
.email{display:inline-flex;margin-top:18px;padding:14px 18px;background:white;color:#111827;border-radius:16px;font-weight:900}
.eyebrow{display:inline-block;margin-bottom:10px;color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
.feedback-card{padding:28px;border:1px solid var(--line);border-radius:30px;background:rgba(255,255,255,.78);box-shadow:var(--shadow)}
.feedback-copy{max-width:720px;margin-bottom:26px}
.feedback-copy h3{font-size:25px;letter-spacing:-.035em;margin:0 0 10px}
.feedback-copy p{margin:0;color:var(--muted);line-height:1.78}
.giscus-container{min-height:120px}
.giscus-notice{display:flex;flex-direction:column;gap:8px;padding:22px;border:1px dashed #a5b4fc;border-radius:20px;background:#f5f7ff;color:#3730a3}
.giscus-notice span{color:var(--muted);line-height:1.6}
.footer{padding:36px 0;color:var(--muted);font-size:14px}
.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid var(--line);padding-top:24px}
.reveal{opacity:0;transform:translateY(20px);transition:.7s ease}
.reveal.show{opacity:1;transform:translateY(0)}
.page-title{padding:80px 0 36px}
.page-title h1{font-size:64px;margin:18px 0}
.content{padding-bottom:80px}
.kicker{color:var(--blue);font-weight:900}
@media(max-width:900px){
  .nav-links{display:none}
  .hero,.project,.grid-2,.now-box{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .section-head{display:block}
  h1{font-size:46px}
  .section h2,.contact h2{font-size:34px}
  .footer-inner{display:block}
}