:root{--brand:#5698c3;--brand-dark:#33789f;--ink:#17252f;--muted:#667783;--soft:#f5f9fb;--line:#dfe9ef;--night:#183242;--page:min(1180px,calc(100% - 48px))}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:var(--page);margin:auto}.eyebrow{color:var(--brand-dark);font-size:12px;font-weight:700;letter-spacing:.12em}.btn{display:inline-flex;min-height:44px;padding:0 20px;align-items:center;justify-content:center;border:1px solid transparent;border-radius:6px;cursor:pointer;font-weight:650}.btn-primary{color:#fff;background:var(--brand)}.btn-primary:hover{background:var(--brand-dark)}
header{position:sticky;top:0;z-index:30;height:68px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}nav{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:750}.brand img{width:36px;height:36px;object-fit:contain}.nav-links{display:flex;align-items:center;gap:25px;color:#455964;font-size:13px}.nav-links>a:hover,.dropdown-trigger:hover{color:var(--brand-dark)}.menu{display:none;width:42px;height:42px;border:0;background:none;font-size:22px}.dropdown{position:relative}.dropdown-trigger{display:flex;gap:6px;align-items:center;padding:18px 0;border:0;color:inherit;background:none;cursor:pointer}.dropdown-trigger span{font-size:12px}.dropdown-menu{position:absolute;top:51px;right:0;display:none;width:235px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:7px;box-shadow:0 18px 50px rgba(31,61,78,.14)}.dropdown.open .dropdown-menu{display:block}.dropdown-menu a{display:block;padding:13px;border-radius:5px}.dropdown-menu a:hover{background:var(--soft)}.dropdown-menu b,.dropdown-menu small{display:block}.dropdown-menu small{margin-top:5px;color:var(--muted)}
.hero{padding:94px 0 88px}.hero-grid{display:grid;grid-template-columns:.94fr 1.06fr;gap:72px;align-items:center}.hero-copy h1{margin:18px 0 24px;font-size:60px;line-height:1.14;letter-spacing:-.045em}.hero-copy h1 span{color:var(--brand)}.hero-copy>p{max-width:590px;margin:0;color:var(--muted);font-size:17px;line-height:1.95}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:34px}.text-link{color:var(--brand-dark);font-size:13px;font-weight:700}.text-link span{margin-left:5px}.decision-card{padding:24px;color:#fff;background:var(--night);border-radius:10px;box-shadow:0 30px 80px rgba(24,50,66,.2)}.decision-head{display:flex;justify-content:space-between;color:#b7cbd6;font-size:11px}.decision-head div{display:flex;align-items:center;gap:8px}.decision-head i{width:8px;height:8px;background:#75c69d;border-radius:50%}.question{width:75%;margin:32px 0 12px auto;padding:14px 16px;background:var(--brand);border-radius:7px 7px 2px 7px;font-size:13px}.answer{padding:22px;background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.1);border-radius:2px 7px 7px}.answer small{color:#a9bec9}.answer h2{margin:9px 0 10px;font-size:21px;line-height:1.45}.answer p{margin:0;color:#c6d6de;font-size:12px;line-height:1.8}.evidence{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px}.evidence span{padding:12px;background:rgba(255,255,255,.055);color:#acc0ca;font-size:10px}.evidence b{display:block;margin-bottom:5px;color:#fff;font-size:17px}.human-line{display:flex;justify-content:space-between;margin-top:17px;color:#9db3be;font-size:10px}.human-line b{color:#dbe7ec}
.statement{padding:64px 0;background:var(--soft);border-block:1px solid var(--line)}.statement p{margin:0;font-size:32px;line-height:1.55;letter-spacing:-.02em}.statement strong{color:var(--brand-dark)}.section{padding:96px 0}.section-title{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-bottom:45px}.section-title h2{margin:11px 0 0;font-size:40px;line-height:1.3;letter-spacing:-.025em}.section-title>p{margin:0;color:var(--muted);line-height:1.9}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:8px;overflow:hidden}.value-grid article{min-height:285px;padding:30px;border-right:1px solid var(--line)}.value-grid article:last-child{border:0}.value-grid span{color:var(--brand);font-size:12px;font-weight:700}.value-grid h3{margin:48px 0 14px;font-size:21px}.value-grid p{margin:0;color:var(--muted);font-size:13px;line-height:1.85}
.workflow{background:var(--night);color:#fff}.workflow .eyebrow{color:#80b7d8}.workflow .section-title>p{color:#b7c9d2}.steps{display:grid;grid-template-columns:repeat(5,1fr);margin:0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.18)}.steps li{position:relative;padding:28px 22px 0 0}.steps li:before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;background:var(--brand);border-radius:50%}.steps b,.steps span{display:block}.steps b{font-size:17px}.steps span{margin-top:9px;color:#acc0ca;font-size:11px;line-height:1.7}
.products{background:var(--soft)}.product-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:center}.product-grid h2{margin:12px 0 16px;font-size:40px;line-height:1.3}.product-grid p{margin:0;color:var(--muted);line-height:1.9}.product-lines{background:#fff;border:1px solid var(--line);border-radius:8px}.product-lines article{display:grid;grid-template-columns:150px 1fr;gap:25px;padding:27px;border-bottom:1px solid var(--line)}.product-lines article:last-child{border:0}.product-lines b{color:var(--brand-dark)}.product-lines span{color:var(--muted);font-size:13px}.security-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}.security h2{margin:12px 0 0;font-size:40px;line-height:1.35}.security p{margin:0 0 18px;color:var(--muted);line-height:1.9}.cta{padding:68px 0;color:#fff;background:var(--brand)}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}.cta small{color:#e3f1f8}.cta h2{max-width:780px;margin:9px 0 0;font-size:35px;line-height:1.4}.btn-light{color:var(--brand-dark);background:#fff;white-space:nowrap}
footer{padding:52px 0 28px}.footer-main{display:flex;justify-content:space-between;gap:40px;padding-bottom:32px;border-bottom:1px solid var(--line)}.footer-main p{color:var(--muted);font-size:12px}.footer-links{display:flex;gap:55px}.footer-links b,.footer-links a{display:block;font-size:12px}.footer-links a{margin-top:11px;color:var(--muted)}.copyright{display:flex;gap:18px;padding-top:21px;color:#8998a1;font-size:11px}.modal-backdrop{position:fixed;inset:0;z-index:50;display:none;place-items:center;padding:20px;background:rgba(16,35,46,.55);backdrop-filter:blur(6px)}.modal-backdrop.open{display:grid}.modal{width:min(460px,100%);padding:28px;text-align:center;background:#fff;border-radius:8px}.modal-head{display:flex;align-items:center;justify-content:space-between}.modal h3{margin:0;font-size:21px}.close{width:34px;height:34px;border:0;background:var(--soft);cursor:pointer;font-size:20px}.modal p{color:var(--muted);font-size:12px}.qr{width:230px;height:230px;padding:7px;border:1px solid var(--line);object-fit:contain}
@media(max-width:900px){.nav-links{position:absolute;top:68px;left:0;right:0;display:none;padding:20px 24px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu{display:block}.dropdown{width:100%}.dropdown-trigger{padding:6px 0}.dropdown-menu{position:static;width:100%;margin-top:8px;box-shadow:none}.hero-grid,.section-title,.product-grid,.security-grid{grid-template-columns:1fr}.hero-grid{gap:52px}.value-grid{grid-template-columns:1fr}.value-grid article{min-height:auto;border-right:0;border-bottom:1px solid var(--line)}.steps{grid-template-columns:1fr}.steps li{padding:22px 0 22px 22px;border-bottom:1px solid rgba(255,255,255,.12)}.steps li:before{top:28px;left:-4px}.cta-inner,.footer-main{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){:root{--page:calc(100% - 32px)}.hero{padding:58px 0}.hero-copy h1{font-size:39px}.hero-copy>p{font-size:14px}.hero-actions{align-items:flex-start;flex-direction:column;gap:18px}.decision-card{padding:16px}.question{width:90%;margin-top:25px}.evidence{grid-template-columns:1fr}.human-line{gap:12px;flex-direction:column}.statement{padding:45px 0}.statement p{font-size:24px}.section{padding:68px 0}.section-title{gap:16px}.section-title h2,.product-grid h2,.security h2{font-size:31px}.product-lines article{grid-template-columns:1fr;gap:8px}.cta h2{font-size:28px}.footer-links{gap:30px}.copyright{gap:8px;flex-direction:column}}