:root{--pn-bg:#f6f7fb;--pn-card:#fff;--pn-text:#111827;--pn-muted:#64748b;--pn-line:#e5e7eb;--pn-primary:#111827;--pn-accent:#5b7cfa;--pn-green:#0ea66b;--pn-soft:#eef2ff;--pn-radius:24px;--pn-shadow:0 24px 70px rgba(15,23,42,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,#e9f0ff 0,#f8fafc 34%,#f6f7fb 100%);color:var(--pn-text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif}.lang-en{display:none}html[data-lang=en] .lang-cn{display:none}html[data-lang=en] .lang-en{display:inline}.container{max-width:1120px}.pn-topbar{position:sticky;top:0;z-index:20;background:rgba(246,247,251,.78);backdrop-filter:blur(18px);border-bottom:1px solid rgba(226,232,240,.8)}.pn-topnav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}.pn-logo{display:flex;align-items:center;gap:10px;color:var(--pn-text);text-decoration:none}.pn-logo span{width:36px;height:36px;border-radius:14px;background:#111827;color:#fff;display:grid;place-items:center;font-weight:800}.pn-logo strong{font-size:17px}.pn-top-actions{display:flex;align-items:center;gap:10px}.pn-top-actions a,.pn-lang{height:38px;border:1px solid var(--pn-line);background:#fff;color:var(--pn-text);border-radius:999px;padding:0 14px;display:flex;align-items:center;text-decoration:none;font-weight:700;font-size:14px;transition:.2s ease}.pn-top-actions a:hover,.pn-lang:hover,.pn-lang.active{background:#111827;color:#fff;border-color:#111827}.pn-lang{cursor:pointer}.pn-shop{overflow:hidden}.pn-hero-min{padding:54px 0 30px}.pn-hero-card{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) 360px;gap:32px;align-items:center;padding:44px;border-radius:34px;background:linear-gradient(135deg,#fff 0,#f7f8ff 55%,#eafdf5 100%);box-shadow:var(--pn-shadow);border:1px solid rgba(255,255,255,.9)}.pn-hero-card:before{content:"";position:absolute;right:24%;top:36px;width:160px;height:160px;border-radius:50%;background:#dbeafe;filter:blur(60px);opacity:.9}.pn-hero-copy{position:relative}.pn-pill{display:inline-flex;align-items:center;gap:8px;height:34px;border-radius:999px;background:#eef2ff;color:#3730a3;padding:0 13px;font-size:14px;margin-bottom:18px}.pn-pill span{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.12)}.pn-hero-copy h1{font-size:clamp(42px,6vw,76px);line-height:.98;letter-spacing:0;margin:0 0 18px;font-weight:900;max-width:720px}.pn-hero-copy p{font-size:19px;line-height:1.75;color:#475569;max-width:650px;margin:0 0 28px}.pn-cta-row{display:flex;gap:12px;flex-wrap:wrap}.pn-buy,.pn-ghost,.pn-bottom-card a,.pn-empty-state a{height:54px;border-radius:999px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:850;transition:.2s ease}.pn-buy{background:#111827;color:#fff;box-shadow:0 16px 36px rgba(17,24,39,.25)}.pn-buy:hover{color:#fff;transform:translateY(-2px)}.pn-ghost{background:#fff;color:#111827;border:1px solid var(--pn-line)}.pn-mini-proof{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.pn-mini-proof span{background:#fff;border:1px solid #e5e7eb;border-radius:999px;padding:8px 12px;font-weight:800;color:#334155}.pn-phone{position:relative;z-index:1;border-radius:34px;background:#111827;padding:22px;min-height:420px;box-shadow:0 28px 60px rgba(17,24,39,.28);color:#fff;display:flex;flex-direction:column;justify-content:flex-end;gap:14px}.pn-phone-top{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:88px;height:8px;border-radius:99px;background:#374151}.pn-chat-line{max-width:86%;padding:12px 14px;border-radius:18px;font-weight:700}.pn-chat-line.user{margin-left:auto;background:#5b7cfa}.pn-chat-line.bot{background:#1f2937;color:#e5e7eb}.pn-token-card{margin-top:12px;border-radius:22px;background:#fff;color:#111827;padding:18px}.pn-token-card small{display:block;color:#64748b;margin-bottom:6px}.pn-token-card strong{font-size:20px}.pn-how,.pn-plans,.pn-bottom-cta{padding:38px 0}.pn-simple-head{text-align:center;margin-bottom:24px}.pn-simple-head h2{font-size:clamp(28px,4vw,44px);font-weight:900;margin:0}.pn-simple-head p{color:var(--pn-muted);font-size:17px;margin:8px 0 0}.pn-step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.pn-step{background:#fff;border:1px solid var(--pn-line);border-radius:var(--pn-radius);padding:24px;box-shadow:0 12px 34px rgba(15,23,42,.06)}.pn-step b{width:38px;height:38px;border-radius:14px;background:#111827;color:#fff;display:grid;place-items:center;margin-bottom:18px}.pn-step h3{font-size:22px;font-weight:900;margin:0 0 8px}.pn-step p{color:var(--pn-muted);line-height:1.7;margin:0}.pn-plan-head{display:flex;align-items:end;justify-content:space-between;text-align:left;gap:18px}.pn-order-link{border:1px solid var(--pn-line);background:#fff;border-radius:999px;padding:12px 18px;color:#111827;text-decoration:none;font-weight:800;white-space:nowrap}.pn-category-tabs{display:flex;gap:10px;overflow:auto;padding:0 0 18px}.pn-category-tabs a{border-radius:999px;background:#fff;border:1px solid var(--pn-line);padding:10px 16px;color:#111827;text-decoration:none;font-weight:800;white-space:nowrap}.pn-category-tabs a.active{background:#111827;color:#fff}.pn-products{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.pn-product{min-height:260px;border-radius:26px;background:#fff;border:1px solid var(--pn-line);padding:22px;display:flex;flex-direction:column;text-decoration:none;color:#111827;box-shadow:0 14px 36px rgba(15,23,42,.07);transition:.2s ease}.pn-product:hover{color:#111827;transform:translateY(-4px);box-shadow:0 24px 56px rgba(15,23,42,.12)}.pn-product-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:22px}.pn-product-tag{background:#ecfdf5;color:#047857;border-radius:999px;padding:7px 10px;font-weight:900;font-size:13px}.pn-product-stock{color:#94a3b8;font-size:13px;font-weight:800}.pn-product h3{font-size:24px;line-height:1.2;font-weight:900;margin:0 0 10px}.pn-product p{color:#64748b;line-height:1.65;margin:0}.pn-product-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--pn-line);padding-top:18px}.pn-product-bottom strong{font-size:28px}.pn-product-bottom span:last-child{background:#111827;color:#fff;border-radius:999px;padding:10px 16px;font-weight:900}.pn-empty-state{text-align:center;background:#fff;border:1px dashed #cbd5e1;border-radius:30px;padding:42px 20px;box-shadow:0 14px 36px rgba(15,23,42,.06)}.pn-empty-state h3{font-weight:900;font-size:30px;margin:0 0 8px}.pn-empty-state p{color:#64748b;margin:0 auto 18px;max-width:520px;line-height:1.7}.pn-empty-state a{background:#111827;color:#fff}.pn-bottom-card{border-radius:32px;background:#111827;color:#fff;padding:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.pn-bottom-card h2{font-size:34px;font-weight:900;margin:0 0 8px}.pn-bottom-card p{color:#cbd5e1;margin:0}.pn-bottom-card a{background:#fff;color:#111827;white-space:nowrap}.pn-foot{padding:28px 0;color:#64748b}.pn-foot .container{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.pn-foot span{font-weight:900;color:#111827}.pn-foot a{color:#64748b;text-decoration:none}.footer{display:none!important}@media (max-width:900px){.pn-hero-card{grid-template-columns:1fr;padding:28px}.pn-phone{min-height:320px}.pn-step-grid,.pn-products{grid-template-columns:1fr}.pn-plan-head,.pn-bottom-card{display:block;text-align:center}.pn-order-link{display:inline-flex;margin-top:16px}.pn-bottom-card a{margin-top:18px}.pn-topnav{height:auto;padding:14px 0;align-items:flex-start}.pn-top-actions{flex-wrap:wrap;justify-content:flex-end}.pn-top-actions a{display:none}.pn-hero-copy h1{font-size:44px}.pn-hero-copy p{font-size:17px}}@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}