:root{color-scheme:light;--brand-1:#07C160;--brand-2:#05964A;--grad:linear-gradient(135deg,#07C160 0%,#34D399 100%);--ink:#0F172A;--ink-2:#333F50;--muted:#64748B;--line:#E2E8F0;--bg-soft:#F8FAFC;--bg-warm:#E8F8F0;--card:#FFFFFF;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-8:32px;--sp-10:40px;--sp-12:48px;--sp-16:64px;--sp-20:80px;--fs-hero:clamp(34px,4.6vw,54px);--fs-h2:clamp(26px,3.2vw,38px);--fs-h3:clamp(22px,2.6vw,30px);--fs-card:18px;--fs-sub:16px;--fs-body:15px;--fs-sec:14px;--fs-cap:13px;--radius:16px;--radius-sm:12px;--shadow:0 10px 30px rgba(15,23,42,.08);--shadow-sm:0 6px 18px rgba(15,23,42,.06);}*{margin:0;padding:0;box-sizing:border-box;}a{text-decoration:none;}.container{width:min(1160px,92%);margin:0 auto;}.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 4px 20px rgba(15,23,42,.05);transition:box-shadow .25s;}.header.scrolled{box-shadow:0 6px 24px rgba(15,23,42,.08);}.nav{display:flex;align-items:center;justify-content:space-between;height:72px;}.brand{display:flex;align-items:center;gap:var(--sp-3);}.brand-text .cn{display:block;font-size:20px;font-weight:800;letter-spacing:1px;line-height:1.3;}.brand-text .en{display:block;font-size:10px;letter-spacing:3px;color:var(--muted);}.nav-links{display:flex;align-items:center;gap:8px;}.nav-pill{display:flex;align-items:center;gap:4px;}.nav-pill a{position:relative;font-size:var(--fs-sub);font-weight:600;color:var(--ink-2);padding:9px 16px;border-radius:10px;white-space:nowrap;text-decoration:none;transition:color .2s ease,background .2s ease;}.nav-pill a:hover{color:var(--brand-1);background:rgba(7,193,96,.10);}.nav-pill a.active{color:var(--brand-1);font-weight:700;background:rgba(7,193,96,.14);}.nav-cta{background:var(--grad);color:#fff !important;font-weight:700;white-space:nowrap;padding:10px 22px;border-radius:999px;border:1px solid transparent;box-shadow:0 6px 16px 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auto;}.faq-item{margin-bottom:var(--sp-3);overflow:hidden;border-radius:14px;}.faq-item:hover{transform:none;}.faq-q{width:100%;background:none;border:0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:var(--sp-4);padding:var(--sp-5) var(--sp-6);font-size:var(--fs-sub);font-weight:700;color:var(--ink);text-align:left;font-family:inherit;}.faq-q .arr{transition:transform .25s;color:var(--brand-1);font-size:18px;flex:none;}.faq-item.open .arr{transform:rotate(180deg);}.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}.faq-a p{padding:0 var(--sp-6) var(--sp-5);color:var(--muted);font-size:var(--fs-sec);line-height:1.9;}.faq-a .shot{margin:6px 0 var(--sp-3);}.faq-a .shot img{max-width:560px;border-radius:10px;}.qr-cta{background:linear-gradient(135deg,#1E293B 0%,#0F172A 100%);border-radius:24px;padding:56px 60px;color:#fff;display:grid;grid-template-columns:1fr auto;gap:var(--sp-10);align-items:center;position:relative;overflow:hidden;}.qr-cta::before{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(7,193,96,.35),transparent 70%);}.qr-cta h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:var(--sp-3);}.qr-cta h2 .grad{background:linear-gradient(135deg,#07C160,#34D399);-webkit-background-clip:text;background-clip:text;color:transparent;}.qr-cta p{color:#94A3B8;font-size:var(--fs-body);max-width:560px;line-height:1.9;}.qr-cta .qr-note{color:#94A3B8;font-size:var(--fs-cap);margin-top:10px;}.qr-box{position:relative;z-index:1;background:#fff;border-radius:18px;padding:18px;width:220px;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.35);}.qr-box img{border-radius:10px;}.qr-box .qr-cap{margin-top:10px;color:var(--ink);font-weight:700;font-size:var(--fs-sec);}.qr-box .qr-sub{color:var(--muted);font-size:12px;margin-top:2px;}.float-qr{position:fixed;right:22px;bottom:22px;z-index:90;width:64px;height:64px;border-radius:18px;border:0;cursor:pointer;background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(5,150,74,.4);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10.5px;font-weight:700;font-family:inherit;transition:transform .2s;}.float-qr:hover{transform:scale(1.06);}.float-qr svg{width:20px;height:20px;}.modal{position:fixed;inset:0;z-index:10000;display:none;align-items:center;justify-content:center;padding:20px;}.modal.open{display:flex;}.modal-mask{position:absolute;inset:0;background:rgba(15,23,42,.6);backdrop-filter:blur(4px);}.modal-card{position:relative;z-index:1;background:#fff;border-radius:20px;padding:36px 40px;text-align:center;max-width:340px;width:100%;animation:pop .25s ease;}@keyframes pop{from{transform:scale(.92);opacity:0;}to{transform:scale(1);opacity:1;}}.modal-card img{border-radius:var(--radius-sm);margin:18px auto 0;}.modal-card h3{font-size:19px;}.modal-card p{color:var(--muted);font-size:var(--fs-cap);margin-top:var(--sp-1);}.modal-card p.qr-sub{margin-top:var(--sp-3);}.modal-close{position:absolute;top:var(--sp-3);right:14px;background:none;border:0;font-size:22px;color:var(--muted);cursor:pointer;line-height:1;}.footer{background:#0F172A;color:#94A3B8;padding:56px 0 28px;}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:var(--sp-10);}.footer h5{color:#fff;font-size:var(--fs-body);margin-bottom:var(--sp-4);}.footer a{color:#CBD5E1;transition:color .2s;}.footer a:hover{color:#34D399;}.footer-links li{margin-bottom:10px;font-size:var(--fs-sec);}.footer .brand-text .cn{color:#fff;}.footer-desc{font-size:var(--fs-cap);margin-top:var(--sp-3);max-width:300px;line-height:1.9;}.footer-qr img{border-radius:var(--sp-2);background:#fff;padding:6px;}.footer-qr p{font-size:12.5px;margin-top:10px;}.footer-copy{font-size:12.5px;color:#64748B;text-align:center;line-height:1.7;margin-bottom:18px;}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;font-size:var(--fs-cap);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}.page-hero{background:var(--grad);color:#fff;padding:76px 0;position:relative;overflow:hidden;}.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 85% 20%,rgba(255,255,255,.18),transparent 60%);}.page-hero h1{font-size:clamp(30px,4vw,44px);font-weight:800;position:relative;z-index:1;}.page-hero p{margin-top:var(--sp-3);font-size:var(--fs-sub);opacity:.92;position:relative;z-index:1;max-width:640px;line-height:1.9;}.page-hero .btn-row{margin-top:var(--sp-6);position:relative;z-index:1;}.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-10);align-items:center;}.feature-row + .feature-row{margin-top:var(--sp-16);}.feature-row.flip 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