:root{
  --ink:#141821;
  --ink-soft:#3c4454;
  --muted:#697386;
  --paper:#fffdf8;
  --paper-2:#fff6ec;
  --line:#e9e2d6;
  --brand:#ff4d2e;
  --brand-2:#ffb300;
  --brand-3:#0f8a7e;
  --brand-4:#2b3cf0;
  --shadow:0 18px 40px -24px rgba(20,24,33,.35);
  --radius:18px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 8% -10%, #ffe8d9 0%, transparent 62%),
    radial-gradient(900px 480px at 96% 4%, #e3f6f2 0%, transparent 58%),
    linear-gradient(180deg,#fffdf8 0%,#fffaf2 42%,#fdf7ef 100%);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(255,253,248,.86);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand img{width:36px;height:36px;object-fit:contain;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.02em;}
.brand-name em{font-style:normal;color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;}
.nav-links a{
  padding:8px 11px;font-size:14px;font-weight:600;color:var(--ink-soft);
  border-radius:10px;transition:color .2s,background .2s;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:#fff1e9;}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-size:14px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s;
}
.btn:active{transform:scale(.97);}
.btn-primary{
  background:linear-gradient(120deg,var(--brand) 0%,#ff7a1a 55%,var(--brand-2) 100%);
  color:#fff;box-shadow:0 12px 24px -14px rgba(255,77,46,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px -14px rgba(255,77,46,.85);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;transform:translateY(-2px);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.25s;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.25s;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fffdf8;}
.mobile-menu.open{display:block;}
.mobile-menu ul{padding:12px 0 18px;}
.mobile-menu a{display:block;padding:11px 4px;font-size:15px;font-weight:600;color:var(--ink-soft);border-bottom:1px dashed #efe8dc;}
.mobile-menu a:hover{color:var(--brand);}

/* ===== Section base ===== */
section{padding:74px 0;}
.sec-head{max-width:760px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);background:#fff1e9;border:1px solid #ffd9c8;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:900;}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(760px 340px at 12% 0%, rgba(255,77,46,.14), transparent 66%),
    radial-gradient(700px 340px at 92% 12%, rgba(15,138,126,.14), transparent 64%),
    linear-gradient(160deg,#fffaf2 0%,#fff4e8 58%,#f4fbf9 100%);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.hero h1{font-size:clamp(30px,4.6vw,48px);font-weight:900;letter-spacing:-.02em;}
.hero h1 mark{
  background:linear-gradient(120deg,var(--brand),#ff8a00);
  color:#fff;padding:0 10px;border-radius:10px;display:inline-block;
  line-height:1.35;
}
.hero-lead{margin-top:20px;font-size:16.5px;color:var(--ink-soft);max-width:600px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;}
.hero-tags span{
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-soft);
  transition:.22s;
}
.hero-tags span:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-cta .btn{padding:14px 30px;font-size:15px;}
.hero-note{margin-top:16px;font-size:13px;color:var(--muted);}
.hero-card{
  background:linear-gradient(150deg,#141821 0%,#232a3a 100%);
  color:#fff;border-radius:24px;padding:26px;
  box-shadow:0 30px 60px -34px rgba(20,24,33,.8);
  position:relative;overflow:hidden;
}
.hero-card::after{
  content:"";position:absolute;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,179,0,.45),transparent 68%);
  top:-70px;right:-60px;
}
.hero-card h3{font-size:16px;font-weight:800;color:#fff;position:relative;}
.hero-mini{
  margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:10px;position:relative;
}
.hero-mini div{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:12px 14px;
}
.hero-mini strong{display:block;font-size:15px;color:#ffcf7a;font-weight:800;}
.hero-mini small{color:#c3cbd8;font-size:12px;}
.hero-card p.foot{margin-top:16px;font-size:12.5px;color:#a9b4c4;position:relative;}

/* ===== Metrics ===== */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:0;}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 24px 46px -26px rgba(20,24,33,.45);}
.metric strong{display:block;font-size:26px;font-weight:900;color:var(--brand);line-height:1.2;}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);font-weight:600;}

/* ===== Cards / grids ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s,border-color .22s;
  display:flex;flex-direction:column;gap:10px;
}
.card:hover{transform:translateY(-5px);border-color:#ffd0bc;box-shadow:0 26px 46px -26px rgba(255,77,46,.35);}
.card .ico{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:#fff1e9;color:var(--brand);font-weight:900;font-size:16px;flex-shrink:0;
}
.card h3{font-size:17px;font-weight:800;}
.card p{font-size:14px;color:var(--muted);}

/* ===== Scenes ===== */
.scene-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.scene-strip a{
  display:block;padding:15px 16px;border-radius:14px;background:#fff;
  border:1px solid var(--line);font-size:14px;font-weight:700;color:var(--ink-soft);
  transition:.22s;
}
.scene-strip a:hover{background:#fff4ea;border-color:#ffc9ae;color:var(--brand);transform:translateY(-3px);}

/* ===== Flow ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;position:relative;box-shadow:var(--shadow);
}
.flow-item b{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:#fff;
  font-size:14px;font-weight:800;margin-bottom:12px;
}
.flow-item h3{font-size:16px;font-weight:800;margin-bottom:6px;}
.flow-item p{font-size:13.5px;color:var(--muted);}

/* ===== Table ===== */
.table-scroll{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);}
table{width:100%;border-collapse:collapse;min-width:680px;}
th,td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid #f1ebdf;}
thead th{background:#141821;color:#fff;font-weight:800;font-size:13.5px;letter-spacing:.03em;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#fffaf3;}
td.strong{font-weight:800;color:var(--brand);}

/* ===== Review ===== */
.review{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px;align-items:stretch;}
.score-card{
  background:linear-gradient(150deg,#141821,#2a3346);color:#fff;
  border-radius:22px;padding:30px;box-shadow:0 28px 56px -34px rgba(20,24,33,.8);
  display:flex;flex-direction:column;justify-content:center;gap:10px;
}
.score-card .stars{color:#ffb300;font-size:22px;letter-spacing:4px;}
.score-card .big{font-size:52px;font-weight:900;line-height:1;color:#ffcf7a;}
.score-card .big small{font-size:16px;color:#c3cbd8;font-weight:700;margin-left:6px;}
.score-card p{color:#c3cbd8;font-size:14px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-soft);padding:8px 0;border-bottom:1px dashed #efe8dc;}
.check-list li:last-child{border-bottom:none;}
.check-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:9px;flex-shrink:0;}

/* ===== Comments ===== */
.comment{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;transition:.22s;}
.comment:hover{transform:translateY(-4px);border-color:#ffd0bc;}
.comment .who{display:flex;align-items:center;gap:10px;}
.avatar{width:40px;height:40px;border-radius:50%;background:#fff1e9;color:var(--brand);font-weight:900;display:flex;align-items:center;justify-content:center;font-size:14px;}
.who b{font-size:14.5px;}
.who small{display:block;color:var(--muted);font-size:12px;}
.comment p{font-size:14px;color:var(--ink-soft);}

/* ===== Cases ===== */
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.22s;}
.case-card:hover{transform:translateY(-5px);border-color:#ffd0bc;}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:contain;background:#f7f3ea;}
.case-card .body{padding:16px 18px;}
.case-card h3{font-size:15.5px;font-weight:800;margin-bottom:6px;}
.case-card p{font-size:13.5px;color:var(--muted);}

/* ===== Article ===== */
.article-list li{border-bottom:1px dashed #efe8dc;}
.article-list a{display:flex;justify-content:space-between;gap:16px;padding:14px 0;font-size:14.5px;font-weight:600;color:var(--ink-soft);transition:.2s;}
.article-list a:hover{color:var(--brand);padding-left:6px;}
.article-list a span{color:var(--muted);font-size:13px;font-weight:600;flex-shrink:0;}

/* ===== Form ===== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-soft);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  background:#fffdf8;font-size:14px;color:var(--ink);font-family:inherit;
  transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,77,46,.14);
}
.field textarea{resize:vertical;min-height:110px;}
.form-side{background:linear-gradient(160deg,#fff4ea,#eaf8f4);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px;}
.form-side h3{font-size:18px;font-weight:900;}
.contact-row{display:flex;gap:10px;font-size:14px;color:var(--ink-soft);}
.contact-row b{color:var(--ink);flex-shrink:0;}
.qr{width:132px;border-radius:12px;border:1px solid var(--line);background:#fff;padding:6px;}

/* ===== FAQ ===== */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .2s;}
.faq-item.open{border-color:#ffc9ae;}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:17px 20px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:15px;font-weight:800;color:var(--ink);font-family:inherit;
}
.faq-q .plus{width:22px;height:22px;border-radius:50%;background:#fff1e9;color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:900;flex-shrink:0;transition:transform .25s;}
.faq-item.open .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 18px;font-size:14px;color:var(--muted);}

/* ===== Token ===== */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.token-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.22s;}
.token-card:hover{transform:translateY(-4px);border-color:#ffd0bc;}
.token-card h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.price{font-size:26px;font-weight:900;color:var(--brand);line-height:1.2;}
.price small{font-size:12.5px;color:var(--muted);font-weight:700;margin-left:4px;}
.token-card p{font-size:13.5px;color:var(--muted);margin-top:8px;}

/* ===== Networks ===== */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.net-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;font-size:14px;font-weight:700;color:var(--ink-soft);transition:.22s;}
.net-item:hover{background:#fff4ea;border-color:#ffc9ae;color:var(--brand);transform:translateY(-3px);}

/* ===== Footer ===== */
.site-footer{background:#141821;color:#d7dde7;padding:52px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:36px;}
.site-footer h4{font-size:15px;color:#fff;font-weight:800;margin-bottom:14px;}
.site-footer p,.site-footer a{font-size:13.5px;color:#b6bfcc;}
.site-footer a:hover{color:#ffcf7a;}
.footer-links li{margin-bottom:9px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:13px;color:#8d97a6;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin-bottom:22px;}
.friend-links a{font-size:13px;color:#b6bfcc;}
.friend-links a:hover{color:#ffcf7a;}

/* ===== Float ===== */
.float-kefu{
  position:fixed;right:18px;bottom:24px;z-index:80;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
}
.float-kefu button,.float-kefu a{
  width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;color:#fff;background:var(--brand);
  box-shadow:0 14px 28px -12px rgba(255,77,46,.9);transition:.2s;
}
.float-kefu a{background:var(--ink);}
.float-kefu button:hover,.float-kefu a:hover{transform:translateY(-3px);}
.kefu-panel{
  display:none;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:14px;box-shadow:0 22px 44px -22px rgba(20,24,33,.5);text-align:center;width:170px;
}
.kefu-panel.show{display:block;}
.kefu-panel p{font-size:12.5px;color:var(--muted);margin-top:8px;}

/* ===== Animation ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .scene-strip{grid-template-columns:repeat(3,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .review{grid-template-columns:1fr;}
  .token-grid{grid-template-columns:repeat(2,1fr);}
  .net-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .nav-links,.nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions{display:none;}
  .brand img{width:32px;height:32px;}
}
@media (max-width:720px){
  section{padding:56px 0;}
  .hero{padding:48px 0 58px;}
  .grid-3,.grid-2,.form-grid,.scene-strip,.flow,.token-grid,.net-grid,.metrics{grid-template-columns:1fr;}
  .hero-mini{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .float-kefu{right:12px;bottom:16px;}
  .friend-links{gap:8px 14px;}
}