:root{
  --ink:#08111f;
  --deep:#0b1021;
  --panel:#ffffff;
  --mist:#f4f8ff;
  --line:#12223a;
  --brand:#38d7ff;
  --brand-2:#8b5cf6;
  --brand-3:#62f6d3;
  --soft:#e8f7ff;
  --muted:#5f6c82;
  --shadow:12px 12px 0 rgba(8,17,31,.95);
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 20% 0%,rgba(56,215,255,.22),transparent 26%),radial-gradient(circle at 90% 10%,rgba(139,92,246,.22),transparent 28%),linear-gradient(180deg,#07111f,#0c1428 42%,#f3f8ff 42%);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.5;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{cursor:pointer}
.site-header{position:sticky;top:0;z-index:60;background:rgba(244,248,255,.92);backdrop-filter:blur(18px);display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px 5vw;border-bottom:1px solid rgba(18,34,58,.15);box-shadow:0 18px 50px rgba(8,17,31,.08)}
.brand{display:flex;align-items:center;gap:14px;font-weight:1000;color:var(--ink)}
.brand img{height:42px;width:42px;object-fit:contain}.brand span{display:grid;gap:3px}.brand strong{font-size:22px}.brand small{font-size:12px;color:var(--muted);font-weight:800}
.menu-toggle{display:none;background:var(--ink);color:var(--brand);border:0;border-radius:999px;padding:10px 14px;font-weight:1000}
nav{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}nav a,nav button{background:rgba(255,255,255,.76);color:var(--ink);border:1px solid rgba(18,34,58,.12);border-radius:999px;padding:10px 15px;font-weight:900;box-shadow:0 10px 26px rgba(8,17,31,.06)}nav button{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0}
.hero{min-height:760px;display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center;padding:74px 5vw;background:linear-gradient(135deg,rgba(7,17,31,.96),rgba(17,31,63,.92)),radial-gradient(circle at 30% 20%,rgba(56,215,255,.35),transparent 26%);color:#fff;border-bottom:1px solid rgba(255,255,255,.16);position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(180deg,#000,transparent 84%);pointer-events:none}.hero>*{position:relative;z-index:1}
.breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:#b7c9e6;margin-bottom:18px;font-size:14px}.breadcrumb strong{color:#fff}.breadcrumb a{color:#dff7ff}
.hero-copy p,.section-title p,.download-band p,.verify-copy p,.contact-copy p,.modal-card p{display:inline-flex;margin:0 0 16px;background:linear-gradient(135deg,rgba(56,215,255,.18),rgba(139,92,246,.18));color:#dffbff;padding:9px 14px;border:1px solid rgba(255,255,255,.18);border-radius:999px;font-weight:1000;letter-spacing:.08em;font-size:13px}.section-title p{color:#123;background:rgba(56,215,255,.14);border-color:rgba(56,215,255,.28)}
.hero h1{font-size:clamp(44px,7.6vw,96px);line-height:.98;letter-spacing:-.06em;margin:0;max-width:940px}.hero span{display:block;font-size:20px;max-width:760px;line-height:1.85;margin-top:20px;color:#d3e5ff}
.hero-actions,.contact-actions,.product-actions,.download-actions,.modal-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.btn,.stack button,.table-btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:18px;padding:15px 20px;font-weight:1000;min-height:52px;transition:transform .2s ease,box-shadow .2s ease}.btn:hover,.stack button:hover,.table-btn:hover{transform:translateY(-2px)}.btn.primary,.table-btn{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 16px 36px rgba(56,215,255,.22)}.btn.secondary{background:#fff;color:var(--ink)}.btn.outline{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff}.btn.ghost,.btn.soft{background:rgba(56,215,255,.12);color:#dffbff;border:1px solid rgba(56,215,255,.22)}.btn.dark-btn{background:var(--ink);color:var(--brand)}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:620px;margin-top:26px}.hero-metrics article{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:18px}.hero-metrics b{font-size:34px;color:var(--brand)}.hero-metrics span{margin:4px 0 0;font-size:14px;color:#d3e5ff}
.hero-visual{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:38px;box-shadow:0 30px 90px rgba(0,0,0,.25);padding:20px;overflow:hidden}.slider{position:relative;min-height:570px;border-radius:28px;overflow:hidden;background:#fff;color:var(--ink)}.slide{position:absolute;inset:0;opacity:0;transform:scale(1.02);transition:opacity .65s ease,transform .65s ease;display:grid;align-content:end}.slide.is-active{opacity:1;transform:scale(1)}.slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:64px;background:radial-gradient(circle at center,rgba(56,215,255,.12),transparent 58%),#fff}.slide div{position:relative;z-index:1;margin:20px;background:rgba(8,17,31,.92);color:#fff;border-radius:24px;padding:20px}.slide strong{display:block;font-size:25px}.slide span{margin:6px 0 0;color:#d3e5ff;font-size:15px}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:44px;height:44px;border:0;border-radius:50%;background:rgba(8,17,31,.88);color:#fff;font-size:30px}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-dots{position:absolute;z-index:5;left:0;right:0;bottom:18px;display:flex;justify-content:center;gap:8px}.slider-dots button{width:9px;height:9px;border:0;border-radius:999px;background:rgba(255,255,255,.5)}.slider-dots button.is-active{width:28px;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.entry-grid{padding:64px 5vw;display:grid;grid-template-columns:1.08fr .92fr .92fr;grid-template-areas:'big support download' 'big contact download';gap:22px;background:var(--mist)}.entry-card{min-height:280px;text-align:left;padding:30px;border:1px solid rgba(18,34,58,.14);border-radius:32px;background:#fff;box-shadow:0 22px 60px rgba(8,17,31,.09);display:flex;flex-direction:column;justify-content:space-between;transition:transform .25s ease,box-shadow .25s ease}.entry-card:hover{transform:translateY(-5px);box-shadow:0 28px 70px rgba(56,215,255,.15)}.entry-card.big{grid-area:big}.entry-card:nth-child(2){grid-area:support}.entry-card.dark{grid-area:download;background:linear-gradient(135deg,#0b1021,#162452);color:#fff}.entry-card:nth-child(4){grid-area:contact}.entry-card small{font-weight:1000;color:var(--brand-2);font-size:18px}.entry-card.dark small{color:var(--brand)}.entry-card h2{font-size:56px;line-height:.95;letter-spacing:-.05em;margin:16px 0}.entry-card h3,.stamp-grid h3,.timeline-grid h3,.warning-grid h3,.scenario-grid h3,.support-grid h3,.article-grid h3,.product-body h3{font-size:28px;line-height:1.12;margin:14px 0 10px}.entry-card p,.stamp-grid p,.timeline-grid p,.warning-grid p,.scenario-grid p,.support-grid p,.article-grid p,.site-footer p,.product-body p,.product-body dd,.verify-copy span,.contact-copy span,.download-band span{color:var(--muted);line-height:1.82}.entry-card.dark p{color:#d3e5ff}.entry-card strong{word-break:break-word;color:var(--brand-2)}
.tech-section,.download-band,.faq-section,.contact-section,.verify-section{padding:68px 5vw}.tech-section{background:#fff}.tech-section:nth-of-type(even){background:var(--mist)}.section-title{text-align:center;max-width:980px;margin:0 auto 38px}.section-title h2,.download-band h2,.verify-copy h2,.contact-copy h2{font-size:clamp(36px,5.6vw,70px);line-height:1;letter-spacing:-.05em;margin:0 0 16px}.section-title span,.download-band span{display:block;color:var(--muted);line-height:1.85}.dark-title p{color:#dffbff;background:rgba(56,215,255,.14);border-color:rgba(255,255,255,.16)}.dark-title span{color:#d3e5ff}
.stamp-grid,.timeline-grid,.warning-grid,.scenario-grid,.support-grid,.article-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.timeline-grid,.warning-grid,.support-grid,.article-grid{grid-template-columns:repeat(3,1fr)}.stamp-grid article,.timeline-grid article,.warning-grid article,.scenario-grid article,.support-grid article,.article-grid article{background:#fff;border:1px solid rgba(18,34,58,.12);border-radius:28px;padding:24px;box-shadow:0 18px 46px rgba(8,17,31,.07)}.stamp-grid b,.timeline-grid i{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:1000;font-style:normal;margin-bottom:12px}.warning-grid article{background:linear-gradient(180deg,#fff,#f7fbff)}
.stack{padding:78px 5vw;display:grid;gap:28px;background:linear-gradient(135deg,#07111f,#141a36);color:#fff}.product-card{position:sticky;top:94px;display:grid;grid-template-columns:330px 1fr;align-items:stretch;gap:24px;background:#fff;color:var(--ink);border:1px solid rgba(255,255,255,.18);border-radius:34px;padding:26px;box-shadow:0 24px 70px rgba(0,0,0,.25)}.product-card:nth-of-type(3){top:116px}.product-card:nth-of-type(4){top:138px}.product-card:nth-of-type(5){top:160px}.product-media{background:radial-gradient(circle at center,rgba(56,215,255,.16),transparent 62%),linear-gradient(135deg,#eefbff,#f7f3ff);border-radius:26px;display:grid;place-items:center;position:relative;min-height:360px}.product-media span{position:absolute;left:18px;top:16px;font-size:48px;font-weight:1000;color:rgba(139,92,246,.32)}.product-media img{height:260px;object-fit:contain}.product-body{padding:12px 10px}.product-body em{font-style:normal;display:inline-flex;background:rgba(139,92,246,.12);color:var(--brand-2);font-weight:1000;border-radius:999px;padding:8px 12px}.product-body h3{font-size:38px}.product-body dl{display:grid;gap:10px;margin:20px 0}.product-body dt{font-weight:1000}.product-body dd{margin:4px 0 0}.product-body ul{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0;padding:0;list-style:none}.product-body li{background:#f1f7ff;border:1px solid rgba(18,34,58,.08);border-radius:999px;padding:9px 12px;color:#41516a;font-weight:800;font-size:13px}
.table-wrap{overflow:auto;background:#fff;border:1px solid rgba(18,34,58,.14);border-radius:26px;box-shadow:0 22px 60px rgba(8,17,31,.08)}table{width:100%;border-collapse:collapse;min-width:1080px}th,td{padding:18px;border-bottom:1px solid rgba(18,34,58,.12);text-align:left;vertical-align:top}th{background:linear-gradient(135deg,#101a32,#17264c);color:#dffbff}td:first-child{font-weight:1000}.table-btn{min-height:auto;padding:10px 16px;border-radius:999px}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.channel-card{background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid rgba(18,34,58,.12);border-radius:28px;padding:28px;box-shadow:0 18px 46px rgba(8,17,31,.07)}.channel-card h3{font-size:30px;margin:0 0 10px}.channel-card strong{display:block;font-size:22px;color:var(--brand-2);margin-bottom:12px}.channel-card p{color:var(--muted);line-height:1.8}.channel-card a{display:inline-flex;margin-top:12px;background:var(--ink);color:#fff;border-radius:999px;padding:12px 16px;font-weight:1000}
.verify-section{display:grid;grid-template-columns:.82fr 1.18fr;gap:28px;align-items:center;background:linear-gradient(135deg,#0b1021,#122752);color:#fff}.verify-copy h2{color:#fff}.verify-copy span{color:#d3e5ff}.verify-board{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.verify-board article{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:24px;padding:22px}.verify-board small{color:var(--brand);font-weight:1000}.verify-board strong{display:block;margin-top:8px;font-size:20px;line-height:1.45}
.download-band{display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;background:linear-gradient(135deg,#e9fbff,#f5f1ff);border-top:1px solid rgba(18,34,58,.08);border-bottom:1px solid rgba(18,34,58,.08)}.download-band p,.contact-copy p,.verify-copy p,.modal-card p{color:var(--brand-2);background:#fff;border-color:rgba(139,92,246,.16)}
.service-form{margin-top:22px;background:#fff;border:1px solid rgba(18,34,58,.12);border-radius:28px;padding:28px;box-shadow:0 18px 46px rgba(8,17,31,.07)}.service-form h3{font-size:30px;margin:0 0 16px}.form-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.service-form input,.service-form textarea{width:100%;border:1px solid rgba(18,34,58,.14);border-radius:16px;padding:14px 15px;background:#f7fbff;outline:none}.service-form textarea{min-height:120px;margin-top:12px;resize:vertical}.service-form button{margin-top:14px}
.faq-section{background:#f7fbff}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq-item{background:#fff;border:1px solid rgba(18,34,58,.12);border-radius:22px;padding:18px 22px;box-shadow:0 12px 30px rgba(8,17,31,.06)}.faq-item summary{font-size:19px;font-weight:1000;cursor:pointer}.faq-item p{color:var(--muted);line-height:1.75;margin-bottom:0}
.contact-section{display:grid;grid-template-columns:1fr 370px;gap:24px;align-items:center;background:#fff}.qr-card{text-align:center;background:#fff;border:1px solid rgba(18,34,58,.12);border-radius:28px;padding:24px;box-shadow:0 18px 46px rgba(8,17,31,.08)}.qr-card img{width:min(300px,100%);aspect-ratio:1/1;object-fit:contain;margin:0 auto 16px;border:1px solid rgba(18,34,58,.12);border-radius:22px;background:#fff;padding:10px}.qr-card p{color:var(--muted)}
.site-footer{padding:42px 5vw;background:#07111f;color:#dffbff;display:flex;justify-content:space-between;gap:24px;border-top:1px solid rgba(255,255,255,.12)}.site-footer strong{display:block;font-size:34px}.site-footer p{max-width:760px;color:#aebfda}.footer-links{display:flex;flex-direction:column;gap:10px;align-items:flex-end}.footer-links a,.footer-links button{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#dffbff;border-radius:999px;padding:12px 18px;font-weight:900}.footer-links button{cursor:pointer}
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:22px}.modal.active{display:flex}.modal-mask{position:absolute;inset:0;background:rgba(3,9,18,.76);backdrop-filter:blur(10px)}.modal-card{position:relative;z-index:1;width:min(540px,92vw);max-height:calc(100vh - 34px);overflow:auto;padding:30px;border:1px solid rgba(18,34,58,.12);border-radius:34px;background:#fff;color:var(--ink);text-align:center;box-shadow:0 30px 90px rgba(0,0,0,.35)}.modal-card img{width:min(310px,74vw);height:auto;aspect-ratio:1/1;object-fit:contain;margin:18px auto;border-radius:22px;border:1px solid rgba(18,34,58,.12);background:#fff;padding:10px}.modal-card h3{margin:0;font-size:34px}.modal-card span{display:block;color:var(--muted);line-height:1.75}.modal-actions{justify-content:center;margin-top:18px}.modal-actions a{background:#f0f8ff;border-radius:999px;padding:12px 18px;font-weight:1000;color:var(--brand-2)}.close{position:absolute;right:18px;top:16px;border:0;background:var(--ink);color:#fff;border-radius:50%;width:42px;height:42px;font-size:24px;line-height:1}.float-contact{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:80;border:0;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;padding:14px 18px;font-weight:1000;box-shadow:0 18px 45px rgba(56,215,255,.28)}body.lock{overflow:hidden}.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:1100px){.site-header nav{display:none;position:absolute;top:78px;left:18px;right:18px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid rgba(18,34,58,.14);border-radius:22px;padding:16px;box-shadow:0 24px 70px rgba(8,17,31,.18)}.site-header nav.is-open{display:flex}.menu-toggle{display:block}.hero,.verify-section,.contact-section{grid-template-columns:1fr}.entry-grid{grid-template-columns:1fr 1fr;grid-template-areas:'big big' 'support download' 'contact download'}.stamp-grid,.scenario-grid{grid-template-columns:repeat(2,1fr)}.timeline-grid,.warning-grid,.support-grid,.article-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}.product-card{position:relative;top:auto!important;grid-template-columns:1fr}.download-band,.site-footer{grid-template-columns:1fr;display:grid}.footer-links{align-items:flex-start}.form-grid{grid-template-columns:repeat(2,1fr)}.slider{min-height:500px}}
@media(max-width:680px){.brand img{display:none}.brand strong{font-size:20px}.brand small{font-size:11px}.site-header{padding:14px 18px}.hero{padding:48px 20px;min-height:auto}.hero h1{font-size:42px;letter-spacing:-.04em}.hero span{font-size:16px}.hero-metrics{grid-template-columns:1fr}.slider{min-height:430px}.slide img{padding:40px 22px 104px}.slide div{margin:14px;padding:16px}.slider-arrow{width:38px;height:38px}.entry-grid,.stamp-grid,.scenario-grid,.timeline-grid,.warning-grid,.support-grid,.article-grid,.channel-grid,.verify-board,.faq-grid{grid-template-columns:1fr}.entry-grid{grid-template-areas:'big' 'support' 'download' 'contact';padding:44px 20px}.tech-section,.download-band,.faq-section,.contact-section,.verify-section{padding:44px 20px}.entry-card h2{font-size:42px}.hero-actions,.modal-actions,.contact-actions,.download-actions,.product-actions{flex-direction:column}.btn,.stack button,.table-btn{width:100%}.stack{padding:44px 20px}.product-card{padding:18px}.product-media{min-height:260px}.product-media img{height:210px}.product-body h3{font-size:30px}.form-grid{grid-template-columns:1fr}.site-footer{padding:34px 20px}.footer-links a,.footer-links button{width:100%;text-align:center}.float-contact{right:12px;bottom:12px;padding:12px 15px}.modal{padding:14px}.modal-card{border-radius:26px;padding:24px 18px}.modal-card h3{font-size:28px}}