:root{
  --bg:#FFFFFF; --bg-soft:#F7F9FC; --bg-dark:#0F1B2D;
  --ink:#1E293B; --ink-soft:#475569; --ink-mute:#94A3B8;
  --blue:#2563EB; --blue-soft:#DBEAFE;
  --orange:#d4713b; --orange-deep:#b35a26;
  --line:#E6EBF1;
  --sans:'Inter',-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --display:'Montserrat','Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:34px;width:auto}
.brand .cn{font-family:var(--display);font-weight:800;font-size:19px;color:var(--bg-dark);letter-spacing:.01em}
.nav{display:flex;align-items:center;gap:30px}
.nav a{color:var(--ink-soft);font-size:15px;font-weight:500;transition:color .15s}
.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;border-radius:10px;transition:all .15s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--bg-dark);color:#fff;padding:10px 20px;font-size:15px}
.btn-primary:hover{background:#1a2b44}
.btn-ghost{border-color:var(--line);color:var(--ink);padding:9px 18px;font-size:15px;background:#fff}
.btn-ghost:hover{border-color:var(--ink-mute)}
.btn-lg{padding:14px 28px;font-size:16px;border-radius:12px}

/* ---------- hero ---------- */
.hero{padding:72px 0 64px;background:radial-gradient(1200px 520px at 50% -10%,var(--bg-soft),#fff)}
.hero .wrap{text-align:center;max-width:1040px}
.hero-figure{margin:30px auto 4px;max-width:760px}
.hero-figure img{width:100%;height:auto;border-radius:14px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);background:var(--blue-soft);padding:6px 14px;border-radius:999px;margin-bottom:24px}
.hero h1{font-family:var(--display);font-weight:800;font-size:60px;line-height:1.05;letter-spacing:-.02em;color:var(--bg-dark);margin-bottom:8px}
.hero h1 .accent{color:var(--orange)}
.hero p.lede{font-size:20px;color:var(--ink-soft);max-width:680px;margin:0 auto 36px}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- sections ---------- */
section.block{padding:84px 0}
section.block.alt{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 52px}
.sec-head h2{font-family:var(--display);font-weight:800;font-size:36px;letter-spacing:-.01em;color:var(--bg-dark);margin-bottom:16px}
.sec-head p{font-size:18px;color:var(--ink-soft)}

.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 26px;transition:box-shadow .18s,transform .18s}
.card:hover{box-shadow:0 12px 32px rgba(15,27,45,.08);transform:translateY(-2px)}
.card .ico{width:44px;height:44px;border-radius:11px;background:var(--blue-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:22px}
.card h3{font-family:var(--display);font-weight:700;font-size:19px;color:var(--bg-dark);margin-bottom:10px}
.card p{font-size:15px;color:var(--ink-soft)}
.card .metric{font-family:var(--display);font-weight:800;font-size:30px;color:var(--orange);margin-bottom:6px;line-height:1}

/* pain list */
.pain-list{max-width:760px;margin:0 auto;display:grid;gap:16px}
.pain-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:3px solid var(--orange);border-radius:12px;padding:20px 24px}
.pain-item .x{color:var(--orange);font-weight:800;font-size:20px;line-height:1.4}
.pain-item b{color:var(--bg-dark)}

.pull{max-width:820px;margin:46px auto 0;text-align:center;font-family:var(--display);font-weight:700;font-size:24px;line-height:1.4;color:var(--bg-dark)}
.pull .accent{color:var(--orange)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--bg-dark);color:#fff;padding:76px 0;text-align:center}
.cta-band h2{font-family:var(--display);font-weight:800;font-size:38px;letter-spacing:-.01em;margin-bottom:18px}
.cta-band p{font-size:18px;color:#AEBBCF;max-width:620px;margin:0 auto 32px}
.cta-band .btn-primary{background:var(--orange)}
.cta-band .btn-primary:hover{background:var(--orange-deep)}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:50px 0 40px}
.site-footer .wrap{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:30px}
.site-footer .brand img{height:30px}
.foot-links{display:flex;gap:48px;flex-wrap:wrap}
.foot-col h4{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:14px}
.foot-col a{display:block;font-size:15px;color:var(--ink-soft);margin-bottom:10px}
.foot-col a:hover{color:var(--ink)}
.copyright{width:100%;border-top:1px solid var(--line);margin-top:36px;padding-top:24px;font-size:14px;color:var(--ink-mute)}

/* ---------- generic doc/legal page ---------- */
.page-hero{padding:64px 0 28px;border-bottom:1px solid var(--line)}
.page-hero h1{font-family:var(--display);font-weight:800;font-size:40px;color:var(--bg-dark);letter-spacing:-.01em}
.page-hero p{font-size:17px;color:var(--ink-soft);margin-top:12px}
.prose{max-width:780px;padding:48px 0 80px}
.prose h2{font-family:var(--display);font-weight:700;font-size:24px;color:var(--bg-dark);margin:36px 0 14px}
.prose p,.prose li{font-size:16px;color:var(--ink-soft);margin-bottom:12px}
.prose ul{padding-left:22px}
.placeholder{background:var(--bg-soft);border:1px dashed var(--ink-mute);border-radius:12px;padding:28px;color:var(--ink-soft);font-size:15px;text-align:center}

@media(max-width:860px){
  .hero h1{font-size:40px}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .nav{gap:18px}
  .nav a:not(.btn){display:none}
}
@media(max-width:560px){
  .grid-3,.grid-4{grid-template-columns:1fr}
}