:root{
  --bg:#f4f6f8;
  --surface:rgba(255,255,255,.78);
  --surface-strong:#fff;
  --text:#17191d;
  --muted:#727985;
  --line:rgba(25,31,40,.08);
  --primary:#191d24;
  --shadow:0 24px 70px rgba(21,27,38,.09);
  --radius:24px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(215,225,255,.55), transparent 28%),
    radial-gradient(circle at 95% 18%, rgba(224,236,230,.55), transparent 24%),
    var(--bg);
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
.bg-blur{
  position:fixed;z-index:-1;border-radius:50%;filter:blur(12px);opacity:.5;
}
.bg-blur-1{width:420px;height:420px;left:-180px;top:180px;background:#e5eaf7}
.bg-blur-2{width:360px;height:360px;right:-120px;top:420px;background:#e4eee8}

.topbar{
  width:min(1180px,calc(100% - 40px));
  height:82px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:700}
.brand-mark{
  width:38px;height:38px;border-radius:13px;
  display:grid;place-items:center;
  background:#17191d;color:#fff;
  box-shadow:0 8px 24px rgba(20,22,28,.16);
  font-size:15px;
}
.brand-name{font-size:18px;letter-spacing:.04em}
.top-actions{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--muted);
  text-transform:uppercase;letter-spacing:.12em;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:#6eb48b;
  box-shadow:0 0 0 5px rgba(110,180,139,.1);
}

main{width:min(1180px,calc(100% - 40px));margin:0 auto}
.hero{
  min-height:630px;
  padding:88px 0 70px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:72px;
  align-items:center;
}
.eyebrow,.section-kicker{
  font-size:11px;letter-spacing:.2em;font-weight:700;color:#8a929e;
}
.hero h1{
  margin:18px 0 22px;
  font-size:clamp(44px,6vw,76px);
  line-height:1.08;
  letter-spacing:-.055em;
}
.hero h1 span{color:#777f89;font-weight:500}
.hero-copy>p{
  max-width:600px;margin:0;
  color:var(--muted);font-size:17px;line-height:1.95;
}
.hero-actions{display:flex;gap:12px;margin-top:34px}
.btn{
  height:48px;padding:0 22px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;transition:.2s ease;
}
.btn-primary{background:#17191d;color:white;box-shadow:0 12px 28px rgba(23,25,29,.16)}
.btn-secondary{background:rgba(255,255,255,.68);border:1px solid rgba(20,24,30,.08)}
.btn:hover{transform:translateY(-2px)}

.hero-card{
  padding:22px;
  border:1px solid rgba(255,255,255,.85);
  background:rgba(255,255,255,.62);
  backdrop-filter:blur(24px);
  border-radius:30px;
  box-shadow:var(--shadow);
}
.hero-card-top,.hero-card-foot{
  display:flex;align-items:center;justify-content:space-between;
  color:#6d7480;font-size:12px;
}
.mini-pill{
  border:1px solid var(--line);padding:5px 8px;border-radius:999px;
  font-size:9px;letter-spacing:.12em;background:rgba(255,255,255,.7);
}
.mini-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
  margin:20px 0;
}
.mini-item{
  min-height:128px;padding:18px;border-radius:21px;
  background:rgba(255,255,255,.88);
  border:1px solid rgba(28,32,39,.06);
  display:flex;flex-direction:column;justify-content:space-between;
}
.mini-item.wide{grid-column:1/-1;min-height:100px;flex-direction:row;align-items:center;justify-content:flex-start;gap:16px}
.mini-icon{
  width:36px;height:36px;border-radius:12px;background:#f1f3f5;
  display:grid;place-items:center;font-size:16px;color:#343a43;
}
.mini-item strong{display:block;font-size:14px;margin-bottom:5px}
.mini-item small{color:#8a929d;font-size:11px}

.workspace,.recent{padding:60px 0}
.section-head{
  display:flex;align-items:end;justify-content:space-between;gap:30px;
  margin-bottom:28px;
}
.section-head h2{margin:8px 0 0;font-size:30px;letter-spacing:-.03em}
.section-head p{margin:0;color:var(--muted);font-size:13px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature-card{
  min-height:310px;padding:22px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.76);
  border:1px solid rgba(255,255,255,.95);
  box-shadow:0 16px 50px rgba(25,31,40,.055);
  display:flex;flex-direction:column;justify-content:space-between;
  transition:.22s ease;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 22px 60px rgba(25,31,40,.09)}
.feature-icon{
  width:58px;height:58px;border-radius:18px;
  display:grid;place-items:center;font-size:24px;
}
.doc-icon{background:#eef1f8}
.image-icon{background:#edf4ef}
.info-icon{background:#f5f0e9}
.feature-top{display:flex;align-items:center;justify-content:space-between}
.feature-top h3{font-size:20px;margin:0}
.arrow{font-size:20px;color:#939aa4}
.feature-content p{color:var(--muted);line-height:1.75;font-size:13px;margin:13px 0 18px}
.tags{display:flex;gap:7px;flex-wrap:wrap}
.tags span{
  padding:6px 9px;border-radius:8px;background:#f2f4f6;color:#777f89;
  font-size:10px;
}

.recent-panel{
  background:rgba(255,255,255,.7);
  border:1px solid rgba(255,255,255,.95);
  border-radius:24px;padding:8px 20px;
  box-shadow:0 16px 50px rgba(25,31,40,.045);
}
.recent-row{
  min-height:84px;display:grid;grid-template-columns:46px 1fr auto;
  gap:14px;align-items:center;border-bottom:1px solid var(--line);
}
.recent-row:last-child{border-bottom:0}
.file-badge{
  width:40px;height:40px;border-radius:12px;background:#f1f3f5;
  display:grid;place-items:center;font-size:9px;font-weight:700;letter-spacing:.08em;color:#5f6670;
}
.recent-main strong{display:block;font-size:14px;margin-bottom:5px}
.recent-main span,.recent-row time{font-size:11px;color:#9097a1}
footer{
  margin-top:60px;border-top:1px solid rgba(25,31,40,.07);
  background:rgba(255,255,255,.35);
}
.footer-inner{
  width:min(1180px,calc(100% - 40px));
  min-height:84px;margin:0 auto;
  display:flex;align-items:center;justify-content:center;
  flex-wrap:wrap;gap:9px;
  font-size:12px;color:#8a919b;
}
.footer-inner a{transition:.2s ease}
.footer-inner a:hover{color:#17191d}
.footer-sep{opacity:.5}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:36px;padding-top:55px}
  .hero-card{max-width:620px}
  .card-grid{grid-template-columns:1fr}
  .feature-card{min-height:220px}
  .section-head{align-items:flex-start;flex-direction:column}
  .section-head p{max-width:520px}
}
@media (max-width:600px){
  .topbar,main,.footer-inner{width:min(100% - 28px,1180px)}
  .topbar{height:70px}
  .top-actions{display:none}
  .hero{min-height:auto;padding:66px 0 46px}
  .hero h1{font-size:42px}
  .hero-copy>p{font-size:15px}
  .hero-actions{flex-direction:column}
  .btn{width:100%}
  .mini-grid{grid-template-columns:1fr}
  .mini-item.wide{grid-column:auto}
  .workspace,.recent{padding:42px 0}
  .recent-row{grid-template-columns:44px 1fr}
  .recent-row time{display:none}
}