:root{
  --bg:#f4f7fc;
  --bg-soft:#edf2fb;
  --card:#ffffff;
  --text:#11233f;
  --muted:#61738f;
  --line:#dbe6f3;
  --primary:#0b57c0;
  --primary-2:#1582f5;
  --dark:#0b1f41;
  --shadow:0 18px 45px rgba(8,28,58,.08);
  --shadow-lg:0 28px 80px rgba(8,28,58,.12);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#fff;color:var(--text);line-height:1.7}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
button{font:inherit}
.container{width:min(1200px,calc(100% - 36px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);padding:8px 14px;border-radius:999px;background:#e9f2ff}
.eyebrow.light{background:rgba(255,255,255,.14);color:#fff}
.site-header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-icon{width:44px;height:44px;border-radius:15px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 12px 28px rgba(11,87,192,.28)}
.brand-text strong{display:block;font-size:18px;color:var(--dark);line-height:1.1}
.brand-text em{display:block;font-style:normal;font-size:12px;color:#7083a1;margin-top:2px}
.nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav a{font-weight:800;color:#334861;position:relative}
.nav a:after{content:"";position:absolute;left:0;bottom:-8px;width:0;height:2px;border-radius:99px;background:var(--primary);transition:.24s}
.nav a:hover:after{width:100%}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;margin-left:auto;background:transparent;border:0;padding:0;cursor:pointer}
.menu-toggle span{display:block;width:26px;height:2px;background:var(--dark);margin:5px 0;border-radius:999px}
.btn{border:0;border-radius:999px;padding:12px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:900;cursor:pointer;transition:.24s ease;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 16px 34px rgba(11,87,192,.27)}
.btn-dark{background:var(--dark);color:#fff}
.btn-white{background:#fff;color:var(--primary);border:1px solid #d6e4f8}
.btn-ghost{background:#edf4ff;color:var(--primary)}
.btn-large{padding:14px 22px}
.hero-section{padding:54px 0 40px;background:radial-gradient(circle at right top,rgba(21,130,245,.16),transparent 34%),linear-gradient(180deg,#f7faff,#fff 70%)}
.hero-layout{display:grid;grid-template-columns:1.03fr .97fr;gap:34px;align-items:center}
.hero-copy h1{font-size:clamp(40px,5.5vw,72px);line-height:1.03;letter-spacing:-.05em;margin:18px 0;color:var(--dark)}
.hero-text{font-size:18px;color:#4e647f;max-width:650px;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hero-metrics div{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
.hero-metrics strong{display:block;font-size:22px;line-height:1.2;color:var(--primary)}
.hero-metrics span{display:block;font-size:14px;color:#6b7d98}
.hero-media{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;align-items:stretch}
.hero-card,.hero-mini-card,.feature-large,.support-card,.tool-card,.entry-banner,.compare-shell,.cta-box,.wallet-card,.feature-products article,.quick-grid a,.quick-button{background:#fff;border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow)}
.hero-main-card{overflow:hidden;position:relative;min-height:100%}
.hero-main-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:1/1.08}
.hero-card-overlay{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(8,28,58,.72);backdrop-filter:blur(10px);color:#fff;padding:16px 18px;border-radius:22px}
.hero-card-overlay span{display:block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;opacity:.8}
.hero-card-overlay strong{display:block;font-size:22px;margin-top:6px}
.hero-side-stack{display:grid;gap:16px}
.hero-mini-card{padding:14px;display:grid;gap:12px}
.hero-mini-card img{border-radius:22px;aspect-ratio:1/1;object-fit:cover}
.hero-mini-card div span{display:block;font-size:12px;font-weight:900;color:#6f87a8;text-transform:uppercase}
.hero-mini-card div strong{display:block;font-size:22px;line-height:1.25;color:var(--dark)}
.info-card{display:flex;flex-direction:column;justify-content:center;padding:22px}
.info-card p{margin:0 0 8px;color:#526b87}
.info-card p:last-child{margin-bottom:0}
.info-card b{color:var(--dark)}
.quick-panel{padding:10px 0 0}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quick-grid a,.quick-button{padding:24px 20px;text-align:left}
.quick-grid span,.quick-button span{display:block;font-size:12px;color:#7691b2;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.quick-grid strong,.quick-button strong{display:block;font-size:22px;line-height:1.2;color:var(--dark);margin-top:8px}
.quick-grid em,.quick-button em{display:block;font-style:normal;color:#627692;margin-top:8px}
.quick-button{border:1px solid var(--line);background:#fff;cursor:pointer}
.section{padding:92px 0}
.section-head h2{font-size:clamp(32px,4vw,52px);line-height:1.1;margin:14px 0 0;color:var(--dark);letter-spacing:-.04em}
.section-head p{margin:12px 0 0;color:#60728f}
.section-head.center{text-align:center;max-width:760px;margin:0 auto 28px}
.section-head.left{max-width:720px}
.split-feature{background:var(--bg)}
.feature-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;align-items:start}
.feature-large{overflow:hidden}
.feature-large-image img{width:100%;aspect-ratio:1.35/1;object-fit:cover}
.feature-large-copy{padding:26px}
.feature-large-copy h3{font-size:30px;line-height:1.2;margin:0 0 10px;color:var(--dark)}
.feature-large-copy p{margin:0;color:#5d718d}
.text-link{display:inline-flex;margin-top:16px;font-weight:900;color:var(--primary)}
.feature-products{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feature-products article{padding:18px}
.feature-products img{width:100%;aspect-ratio:1/1;object-fit:contain;background:#f6f9ff;border-radius:22px;padding:12px}
.feature-products h3{margin:14px 0 6px;color:var(--dark);font-size:22px}
.feature-products p{margin:0;color:#667890}
.compare-block{background:#fff}
.compare-shell{overflow:auto;padding:6px}
.compare-table{width:100%;border-collapse:collapse;min-width:880px}
.compare-table thead th{background:var(--dark);color:#fff;text-align:left;padding:18px}
.compare-table td{padding:18px;color:#425972;border-bottom:1px solid #e6eef8}
.compare-table tr:last-child td{border-bottom:0}
.mini-btn{border:0;background:#ebf3ff;color:var(--primary);font-weight:900;padding:9px 14px;border-radius:999px;cursor:pointer}
.wallet-zone{background:linear-gradient(135deg,#0b1f41,#0e4ca4 62%,#1a8eff);color:#fff}
.wallet-layout{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.wallet-copy h2{font-size:clamp(34px,4.5vw,56px);line-height:1.08;margin:18px 0;color:#fff;letter-spacing:-.04em}
.wallet-copy p{margin:0;color:rgba(255,255,255,.82);font-size:17px}
.wallet-points{display:grid;gap:12px;margin:24px 0 28px}
.wallet-points div{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:22px;padding:14px 16px;backdrop-filter:blur(6px)}
.wallet-points strong{display:block;color:#fff}
.wallet-points span{display:block;color:rgba(255,255,255,.75);font-size:14px}
.wallet-visual{position:relative;min-height:420px}
.wallet-card{overflow:hidden;position:absolute}
.wallet-card img{width:100%;height:100%;object-fit:cover}
.wallet-card.front{width:min(440px,86%);right:0;top:20px;transform:rotate(3deg)}
.wallet-card.back{width:min(320px,72%);left:10px;bottom:10px;transform:rotate(-8deg)}
.process-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:22px;align-items:start}
.process-aside{position:sticky;top:100px}
.process-aside h2{font-size:clamp(32px,4vw,48px);line-height:1.12;margin:18px 0 10px;color:var(--dark);letter-spacing:-.04em}
.process-aside p{margin:0;color:#5f728d}
.process-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.process-steps article{padding:24px;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}
.process-steps span{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:#eaf2ff;color:var(--primary);font-weight:900;margin-bottom:14px}
.process-steps h3{margin:0 0 8px;font-size:24px;color:var(--dark)}
.process-steps p{margin:0;color:#60728e}
.support-zone{background:var(--bg)}
.support-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
.support-cards{display:grid;gap:18px}
.support-card{padding:28px}
.support-card h3{font-size:32px;line-height:1.15;margin:16px 0 10px}
.support-card p{margin:0 0 10px}
.support-card b{display:block;margin-bottom:18px;word-break:break-all}
.dark-card{background:linear-gradient(135deg,#0b1f41,#164f9f);border-color:transparent;color:#fff;box-shadow:var(--shadow-lg)}
.dark-card p,.dark-card b{color:rgba(255,255,255,.86)}
.light-card{background:#fff}
.support-side{display:flex;flex-direction:column;gap:18px}
.support-side img{width:100%;border-radius:30px;aspect-ratio:1.1/1;object-fit:cover;border:1px solid var(--line);box-shadow:var(--shadow)}
.support-tags{display:flex;flex-wrap:wrap;gap:10px}
.support-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 14px;font-weight:800;color:#44607e}
.faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:20px;align-items:start}
.faq-list{display:grid;gap:14px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:0 20px}
.faq-list summary{list-style:none;padding:18px 4px;cursor:pointer;font-weight:900;color:var(--dark);position:relative;padding-right:24px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:0;top:14px;color:#8197b1;font-size:24px}
.faq-list details[open] summary:after{content:"−"}
.faq-list p{margin:0;padding:0 4px 18px;color:#60728d}
.cta-zone{padding-top:0}
.cta-box{background:linear-gradient(135deg,#0b1f41,#0e58bf);padding:38px 40px;display:flex;justify-content:space-between;align-items:center;gap:24px;color:#fff;box-shadow:var(--shadow-lg)}
.cta-box h2{font-size:34px;line-height:1.18;margin:16px 0 0;max-width:650px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.site-footer{background:#07152f;color:#d7e5ff;padding:52px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.site-footer strong{font-size:24px}
.site-footer p{margin:10px 0 0;color:#adc0de}
.footer-links a,.footer-contact{display:block;margin:8px 0;color:#dbe8ff;background:transparent;border:0;padding:0;text-align:left;cursor:pointer}
.contact-modal{display:none;position:fixed;inset:0;z-index:100}
.contact-modal.open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(6,20,42,.64);backdrop-filter:blur(6px)}
.modal-panel{position:relative;width:min(420px,calc(100% - 30px));margin:9vh auto 0;background:#fff;border-radius:30px;padding:28px;box-shadow:0 32px 90px rgba(0,0,0,.28);text-align:center}
.modal-close{position:absolute;top:12px;right:14px;width:36px;height:36px;border:0;border-radius:50%;background:#eef4fb;font-size:24px;cursor:pointer}
.modal-panel h2{margin:6px 0 16px;color:var(--dark)}
.modal-qr{padding:8px;background:#fff;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow)}
.modal-qr img{width:100%;height:auto;border-radius:16px}
.modal-links{display:flex;gap:12px;margin-top:16px}
.modal-links a{flex:1;padding:11px 14px;border-radius:14px;background:#edf4ff;color:var(--primary);font-weight:900}
.float-contact{position:fixed;right:22px;bottom:22px;z-index:55;border:0;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;padding:14px 18px;font-weight:900;cursor:pointer;box-shadow:0 16px 38px rgba(11,87,192,.33)}
body.lock{overflow:hidden}
.entry-hero{padding:60px 0 26px;background:linear-gradient(180deg,#f7fbff,#fff)}
.entry-hero-inner{text-align:center;max-width:780px;margin:0 auto}
.entry-hero h1{font-size:clamp(40px,5vw,64px);line-height:1.05;margin:16px 0;color:var(--dark);letter-spacing:-.05em}
.entry-hero p{margin:0;color:#60728d;font-size:18px}
.entry-stack{display:grid;gap:22px}
.entry-banner{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;padding:26px}
.entry-copy h2{font-size:40px;line-height:1.1;margin:18px 0 10px;color:inherit}
.entry-copy p{margin:0 0 10px;color:inherit}
.entry-copy strong{display:block;margin-bottom:18px;word-break:break-all}
.entry-media img{width:100%;border-radius:24px;aspect-ratio:1.2/1;object-fit:cover}
.entry-dark{background:linear-gradient(135deg,#0b1f41,#1651a1);color:#fff;border-color:transparent;box-shadow:var(--shadow-lg)}
.entry-light{background:#fff}
.entry-tools{padding-top:0}
.entry-tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tool-card{padding:26px;display:block;text-align:left;cursor:pointer}
.tool-card span{display:block;font-size:12px;font-weight:900;color:#7591b2;text-transform:uppercase;letter-spacing:.08em}
.tool-card strong{display:block;font-size:24px;line-height:1.25;color:var(--dark);margin-top:10px}
@media (max-width:1080px){
  .nav,.nav-actions{display:none}
  .menu-toggle{display:block}
  .site-header.show .nav,.site-header.show .nav-actions{display:flex}
  .site-header.show .nav-wrap{flex-wrap:wrap;align-items:flex-start;padding:16px 0}
  .site-header.show .nav{order:3;width:100%;margin-left:0;flex-direction:column;align-items:flex-start;border-top:1px solid var(--line);padding-top:14px}
  .site-header.show .nav-actions{order:4;width:100%;flex-wrap:wrap}
  .hero-layout,.wallet-layout,.feature-grid,.support-layout,.faq-layout,.process-layout,.entry-banner{grid-template-columns:1fr}
  .hero-media{grid-template-columns:1fr 1fr}
  .process-aside{position:static}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .entry-tools-grid,.hero-metrics{grid-template-columns:1fr 1fr}
  .cta-box,.footer-grid{grid-template-columns:1fr;display:block}
  .cta-actions{margin-top:22px}
}
@media (max-width:760px){
  .container{width:min(100% - 28px,1200px)}
  .hero-section{padding:34px 0 28px}
  .section{padding:64px 0}
  .hero-copy h1,.entry-hero h1{font-size:40px}
  .hero-text,.entry-hero p{font-size:16px}
  .hero-actions .btn,.cta-actions .btn,.nav-actions .btn{width:100%}
  .hero-media,.feature-products,.process-steps,.quick-grid,.entry-tools-grid,.hero-metrics{grid-template-columns:1fr}
  .wallet-card{position:static;transform:none !important;margin-bottom:14px}
  .wallet-visual{min-height:auto}
  .wallet-copy h2,.section-head h2,.process-aside h2,.entry-copy h2{font-size:32px}
  .cta-box{padding:28px}
  .cta-box h2{font-size:28px}
  .modal-links{flex-direction:column}
  .float-contact{right:16px;bottom:16px}
}