:root{
  --ink:#0f172a;
  --muted:#64748b;
  --soft:#f4f7f4;
  --line:#dfe7df;
  --card:#ffffff;
  --brand:#047857;
  --brand-2:#0f766e;
  --brand-3:#f59e0b;
  --brand-soft:#ecfdf5;
  --shadow:0 22px 62px rgba(15,23,42,.08);
  --shadow-strong:0 32px 90px rgba(15,23,42,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:radial-gradient(circle at 8% 0%,rgba(16,185,129,.10),transparent 34%),radial-gradient(circle at 95% 10%,rgba(245,158,11,.12),transparent 30%),var(--soft);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  line-height:1.6;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font:inherit}
body.lock{overflow:hidden}
.top{
  min-height:78px;
  padding:0 6vw;
  display:flex;
  gap:24px;
  align-items:center;
  background:rgba(255,255,255,.86);
  border-bottom:1px solid rgba(148,163,184,.22);
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(18px);
  box-shadow:0 12px 32px rgba(15,23,42,.04);
}
.brand{
  font-weight:900;
  font-size:20px;
  display:flex;
  align-items:center;
  gap:12px;
  min-width:max-content;
}
.brand-mark{
  width:46px;
  height:46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--ink),var(--brand));
  color:#fff;
  box-shadow:0 16px 36px rgba(4,120,87,.26);
}
.brand em{
  display:block;
  font-size:12px;
  font-style:normal;
  color:var(--muted);
  letter-spacing:.05em;
  margin-top:1px;
}
.top nav{
  display:flex;
  gap:15px;
  margin-left:auto;
  color:#334155;
  align-items:center;
}
.top nav a,.nav-contact{
  border:0;
  background:transparent;
  color:#334155;
  font-weight:800;
  cursor:pointer;
  white-space:nowrap;
  padding:8px 0;
}
.top nav a:hover,.nav-contact:hover{color:var(--brand)}
.menu-btn{
  display:none;
  border:1px solid var(--line);
  background:#fff;
  padding:10px 14px;
  border-radius:999px;
  font-weight:900;
  cursor:pointer;
}
.contact,.hero-contact,.contact-card strong,.closing a,.closing button{
  background:linear-gradient(135deg,var(--ink),var(--brand));
  color:#fff;
  padding:13px 20px;
  border-radius:999px;
  font-weight:900;
  border:0;
  cursor:pointer;
  box-shadow:0 14px 32px rgba(4,120,87,.22);
}
.hero{
  padding:88px 6vw 48px;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:42px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.hero:before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:8vw;top:64px;
  background:linear-gradient(135deg,rgba(4,120,87,.12),rgba(245,158,11,.12));
  filter:blur(8px);
  border-radius:999px;
  z-index:-1;
}
.hero h1{
  font-size:clamp(44px,5vw,74px);
  line-height:1.02;
  letter-spacing:-.065em;
  margin:12px 0 18px;
}
.hero p,.title p,.support-copy>p,.download-band p,.verify-card p{
  color:var(--brand);
  font-weight:900;
  letter-spacing:.08em;
  margin:0;
}
.hero span,.title span,.support-copy span,.download-band span,.verify-card span{
  display:block;
  color:var(--muted);
  font-size:18px;
  line-height:1.9;
  max-width:880px;
}
.actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.actions a{
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  padding:13px 20px;
  border-radius:999px;
  font-weight:900;
  box-shadow:0 12px 26px rgba(15,23,42,.05);
}
.actions a:first-child,.actions a:nth-child(2),.download-cta,.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  border-color:transparent;
  color:#fff;
  box-shadow:0 16px 34px rgba(4,120,87,.24);
}
.actions a:nth-child(2){background:linear-gradient(135deg,var(--brand-3),#b45309)}
.hero aside{
  background:rgba(255,255,255,.88);
  border:1px solid rgba(148,163,184,.28);
  border-radius:36px;
  padding:34px;
  box-shadow:var(--shadow-strong);
  position:relative;
  overflow:hidden;
}
.hero aside:after{
  content:"";
  position:absolute;
  inset:auto -50px -90px auto;
  width:220px;height:220px;
  border-radius:50%;
  background:rgba(16,185,129,.14);
}
.hero aside img{margin:auto;filter:drop-shadow(0 26px 34px rgba(15,23,42,.12))}
.hero dl{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin:24px 0 0;
}
.hero dt{color:var(--muted);font-weight:800}
.hero dd{font-size:20px;font-weight:900;margin:0;word-break:break-word}
.hero-metrics{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  max-width:620px;
}
.hero-metrics article{
  background:rgba(255,255,255,.76);
  border:1px solid rgba(148,163,184,.25);
  border-radius:22px;
  padding:16px;
}
.hero-metrics strong{display:block;font-size:34px;line-height:1;color:var(--brand)}
.hero-metrics small{color:var(--muted);font-weight:900}
.proof{
  margin:0 6vw;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.proof a,.proof div{
  background:linear-gradient(135deg,var(--ink),#064e3b);
  color:#fff;
  border-radius:26px;
  padding:26px;
  box-shadow:0 24px 60px rgba(15,23,42,.16);
  min-height:160px;
}
.proof a:nth-child(2){background:linear-gradient(135deg,#14532d,#0f766e)}
.proof a:nth-child(3){background:linear-gradient(135deg,#78350f,var(--brand-3))}
.proof b{font-size:24px;display:block;margin-bottom:8px}
.proof p{color:#e2e8f0;margin:0 0 14px;line-height:1.7}
.proof strong{word-break:break-word}
.section{padding:82px 6vw}
.title{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:28px;
  margin-bottom:30px;
}
.title h2,.plan h2,.faq h2,.closing h2,.download-band h2,.support-copy h2,.verify-card h2{
  font-size:clamp(32px,4vw,48px);
  letter-spacing:-.045em;
  line-height:1.12;
  margin:8px 0 0;
  max-width:920px;
}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-card,.entry-card,.detail-grid article,.scenario-grid article,.wallet-grid article,.scope-grid article,.path-grid article,.okx-grid article,.article-grid article{
  background:rgba(255,255,255,.92);
  border:1px solid rgba(148,163,184,.25);
  border-radius:28px;
  padding:22px;
  box-shadow:var(--shadow);
}
.product-card{
  min-height:570px;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  transition:transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.product-card:hover,.entry-card:hover,.path-grid article:hover,.scope-grid article:hover,.article-grid article:hover{
  transform:translateY(-4px);
  box-shadow:0 28px 78px rgba(15,23,42,.12);
  border-color:rgba(4,120,87,.30);
}
.product-card img{height:190px;object-fit:contain;margin:22px auto;transition:transform .35s ease}
.product-card:hover img{transform:scale(1.045) rotate(-1deg)}
.pc-head{display:flex;justify-content:space-between;gap:12px;color:var(--brand);font-weight:900}
.pc-head span{font-size:28px;letter-spacing:-.06em}
.product-card h3{font-size:25px;margin:0 0 8px;letter-spacing:-.03em}
.product-card p{color:var(--muted);line-height:1.75;margin:0}
.product-meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.product-meta em,.support-tags em{
  font-style:normal;
  padding:8px 10px;
  background:var(--brand-soft);
  border:1px solid rgba(16,185,129,.22);
  color:#065f46;
  border-radius:999px;
  font-size:13px;
  font-weight:900;
}
.clean-list{padding-left:18px;margin:0 0 18px;color:var(--muted);line-height:1.72}
.clean-list li{margin:6px 0}
.buy{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid rgba(148,163,184,.2);padding-top:16px}
.buy strong{font-size:15px;color:var(--ink)}
.buy button,.mini-btn{
  border:0;
  background:var(--brand-soft);
  color:#047857;
  padding:10px 14px;
  border-radius:999px;
  font-weight:900;
  cursor:pointer;
  white-space:nowrap;
}
.entry-grid,.detail-grid,.scenario-grid,.scope-grid,.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.entry-card{min-height:310px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer}
.entry-card small{color:var(--brand);font-size:13px;letter-spacing:.08em;font-weight:900}
.entry-card h3{font-size:30px;letter-spacing:-.045em;line-height:1.05;margin:16px 0 10px}
.entry-card p{color:var(--muted);line-height:1.82;margin:0}
.entry-card strong{word-break:break-word;margin-top:16px;color:var(--brand);font-weight:900;background:transparent;padding:0;box-shadow:none}
.entry-card.dark{background:linear-gradient(135deg,var(--ink),#064e3b);color:#fff}
.entry-card.dark p,.entry-card.dark strong{color:#d1fae5}
.entry-card.accent{background:linear-gradient(135deg,#fffbeb,#ecfdf5)}
.contact-card{border-style:dashed;background:#fff}
.core-authorized-entry .entry-title-rich{align-items:flex-start}
.core-authorized-entry .entry-title-rich span{font-size:17px}
.path-grid article b,.scenario-grid b{
  display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--ink),var(--brand));color:#fff;margin-bottom:16px;font-weight:900;
}
.path-grid article h3,.detail-grid h3,.scenario-grid h3,.wallet-grid h3,.scope-grid h3,.okx-grid h3,.article-grid h3{margin:0 0 10px;font-size:24px;letter-spacing:-.03em;line-height:1.2}
.path-grid article p,.detail-grid p,.detail-grid li,.scenario-grid p,.wallet-grid p,.scope-grid p,.okx-grid p,.article-grid p{color:var(--muted);line-height:1.78;margin:0}
.details .detail-grid,.product-detail-rich .detail-grid{grid-template-columns:repeat(2,1fr)}
.detail-grid ul{margin:16px 0 0;padding-left:20px}
.table-wrap{overflow:auto;background:#fff;border:1px solid rgba(148,163,184,.28);border-radius:28px;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:980px}
th,td{text-align:left;padding:18px;border-bottom:1px solid rgba(148,163,184,.22);vertical-align:top}
th{background:var(--brand-soft);color:#064e3b;white-space:nowrap}
tbody tr:hover{background:#f8fafc}
.download-band{
  margin:0 6vw 24px;
  padding:42px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  border-radius:36px;
  background:linear-gradient(135deg,var(--ink),#065f46 58%,#92400e);
  color:#fff;
  box-shadow:var(--shadow-strong);
  position:relative;
  overflow:hidden;
}
.download-band:after{content:"";position:absolute;width:260px;height:260px;right:-90px;bottom:-130px;border-radius:50%;background:rgba(255,255,255,.12)}
.download-band p{color:#a7f3d0}
.download-band span{color:#dbeafe;max-width:820px}
.download-cta{position:relative;z-index:1;min-width:max-content;padding:14px 22px;border-radius:999px;font-weight:900}
.wallet-grid,.scope-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.verify-section{padding-top:58px}
.verify-card{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center;background:#fff;border:1px solid rgba(148,163,184,.25);border-radius:36px;padding:38px;box-shadow:var(--shadow)}
.verify-card img{max-height:360px;margin:auto;object-fit:contain;filter:drop-shadow(0 20px 30px rgba(15,23,42,.12))}
.verify-grid{margin-top:18px}
.okx-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.okx-grid article{background:linear-gradient(135deg,#fff,#f0fdf4)}
.support-area{display:grid;grid-template-columns:1.06fr .72fr;gap:18px}
.support-copy,.support-qr{background:#fff;border:1px solid rgba(148,163,184,.25);border-radius:34px;padding:34px;box-shadow:var(--shadow)}
.support-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.support-qr{text-align:center}
.support-qr img{width:min(310px,100%);margin:0 auto 18px;border-radius:24px;border:1px solid var(--line);padding:12px;background:#f8fafc;aspect-ratio:1/1;object-fit:cover}
.support-qr h3{font-size:26px;margin:8px 0 6px}
.support-qr p{color:var(--muted);margin:0}
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.article-grid article{padding:28px}
.article-grid h3{font-size:27px}
.faq .title{margin-bottom:22px}
.faq details{background:#fff;border:1px solid rgba(148,163,184,.25);border-radius:22px;padding:20px 22px;margin-top:12px;box-shadow:0 12px 30px rgba(15,23,42,.04)}
.faq summary{font-size:20px;font-weight:900;cursor:pointer;letter-spacing:-.02em}
.faq p{color:var(--muted);margin:14px 0 0;line-height:1.78}
.closing{margin:0 6vw 82px;padding:42px;border-radius:36px;background:linear-gradient(135deg,var(--ink),#064e3b);color:#fff;box-shadow:var(--shadow-strong)}
.closing p{color:#d1fae5;margin:12px 0 24px;max-width:980px;line-height:1.8}
.closing-actions{display:flex;gap:12px;flex-wrap:wrap}
.closing a,.closing button{display:inline-flex;align-items:center;justify-content:center}
.site-footer{background:var(--ink);color:#fff;padding:42px 6vw;display:flex;justify-content:space-between;gap:24px}
.site-footer strong{font-size:28px}
.site-footer p{color:#cbd5e1;max-width:760px;margin:10px 0 0;line-height:1.75}
.footer-links{display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.footer-links a:hover{color:#a7f3d0}
.footer-contact{border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;border-radius:999px;padding:12px 18px;font-weight:900;cursor:pointer}
.contact-modal{display:none;position:fixed;inset:0;z-index:100;align-items:center;justify-content:center;padding:12px}
.contact-modal.open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(15,23,42,.66);backdrop-filter:blur(10px)}
.modal-panel{position:relative;z-index:2;width:min(470px,100%);background:#fff;border-radius:34px;padding:30px;text-align:center;box-shadow:0 30px 90px rgba(15,23,42,.25);max-height:calc(100vh - 24px);overflow:auto}
.modal-close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:30px;cursor:pointer;color:var(--ink)}
.eyebrow{display:inline-flex;color:var(--brand);font-weight:900;letter-spacing:.08em;margin-bottom:4px}
.modal-panel h2{font-size:30px;letter-spacing:-.04em;margin:6px 0 8px}
.modal-qr{width:min(300px,100%);margin:18px auto;padding:12px;border:1px solid var(--line);border-radius:24px;background:#f8fafc}
.modal-qr img{aspect-ratio:1/1;object-fit:cover;border-radius:16px}
.modal-panel p{color:var(--muted);line-height:1.7;margin:0}
.modal-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:18px}
.modal-actions a{padding:12px 18px;border-radius:999px;font-weight:900}
.btn-secondary{background:var(--brand-soft);color:#047857}.btn-primary{color:#fff}
.float-contact{position:fixed;right:18px;bottom:18px;z-index:80;border:0;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--ink));color:#fff;padding:14px 18px;font-weight:900;cursor:pointer;box-shadow:0 20px 44px rgba(15,23,42,.25)}
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .68s ease,transform .68s ease}
.js .reveal.is-visible{opacity:1;transform:none}
.floating-card{animation:floatY 6s ease-in-out infinite}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal,.reveal{transition:none;opacity:1;transform:none}.floating-card{animation:none}.product-card:hover,.entry-card:hover,.path-grid article:hover,.scope-grid article:hover,.article-grid article:hover{transform:none}}
@media(max-width:1180px){
  .top nav,.contact{display:none}
  .top nav.show{display:flex;position:absolute;left:16px;right:16px;top:76px;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:24px;padding:16px;box-shadow:var(--shadow-strong)}
  .menu-btn{display:block;margin-left:auto}
  .hero,.support-area,.verify-card{grid-template-columns:1fr}
  .grid,.entry-grid,.path-grid{grid-template-columns:repeat(2,1fr)}
  .wallet-grid,.scope-grid,.okx-grid{grid-template-columns:repeat(2,1fr)}
  .site-footer{flex-direction:column}.footer-links{align-items:flex-start}
}
@media(max-width:760px){
  .top{padding:0 20px;min-height:72px}.brand{font-size:18px}.brand-mark{width:42px;height:42px}.brand em{font-size:11px}
  .hero{padding:50px 20px 28px;gap:24px}.hero h1{font-size:42px;letter-spacing:-.05em}.hero span{font-size:16px}.hero aside{padding:22px;border-radius:28px}.hero dl,.hero-metrics{grid-template-columns:1fr}.hero-metrics strong{font-size:30px}
  .section{padding:52px 20px}.proof,.download-band,.closing{margin-left:20px;margin-right:20px}.proof{grid-template-columns:1fr}.proof a{min-height:0}
  .title{display:block}.title h2,.download-band h2,.support-copy h2,.verify-card h2{font-size:34px}.title span,.support-copy span,.download-band span,.verify-card span{font-size:16px}
  .grid,.entry-grid,.detail-grid,.details .detail-grid,.product-detail-rich .detail-grid,.path-grid,.wallet-grid,.scope-grid,.okx-grid,.article-grid{grid-template-columns:1fr}
  .product-card{min-height:0}.product-card img{height:160px}.buy{align-items:flex-start;flex-direction:column}.buy button{width:100%}
  .download-band{display:block;padding:28px}.download-cta{display:block;margin-top:20px;text-align:center;min-width:0;width:100%}
  .actions,.modal-actions,.closing-actions{flex-direction:column}.actions a,.hero-contact,.btn-primary,.btn-secondary,.closing a,.closing button{width:100%;text-align:center;justify-content:center}
  .verify-card{padding:24px;border-radius:28px}.support-copy,.support-qr{padding:24px;border-radius:28px}.float-contact{right:14px;bottom:14px;padding:13px 16px}
  .modal-panel{border-radius:28px;padding:26px 20px}.modal-qr{width:min(280px,100%)}
}