:root{
  --brand: rgb(89, 126, 247);
  --brand-hex:#597EF7;
  --brand-soft:#ECF0FF;
  --brand-pale:#F6F8FF;
  --sky:#EAF7FF;
  --dark:#1D2B5F;
  --text:#222222;
  --muted:#5B647A;
  --line:rgba(89,126,247,0.16);
  --shadow:0 16px 40px rgba(89,126,247,0.10);
  --head-bg:linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:#F6F8FF;color:var(--text);line-height:1.78;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;background:linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(89,126,247,0.10)}
.desktop-head{height:78px;display:flex;align-items:center;gap:24px}
.brand img{width:150px;height:auto;object-fit:contain}.top-nav{flex:1;display:flex;align-items:center;justify-content:center;gap:4px}.top-nav a{padding:10px 13px;border-radius:999px;color:#1D2B5F;font-weight:700;font-size:15px;white-space:nowrap}.top-nav a:hover,.top-nav a.active{background:rgba(255,255,255,.72);color:rgb(89,126,247);box-shadow:inset 0 0 0 1px rgba(89,126,247,.13)}
.main-btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;background:linear-gradient(135deg, #7580EE 0%, #597EF7 48%, #7AC4F5 100%);color:#FFFFFF;border-radius:999px;font-weight:800;box-shadow:0 10px 24px rgba(89,126,247,0.28);transition:transform .22s ease,box-shadow .22s ease;white-space:nowrap}.main-btn::before{content:"";position:absolute;inset:-2px;border-radius:inherit;background:linear-gradient(120deg, transparent 0%, rgba(255,255,255,.85) 35%, transparent 70%);transform:translateX(-120%);animation:btnShine 2.4s infinite;z-index:0;pointer-events:none}.main-btn::after{content:"";position:absolute;inset:-1px;border-radius:inherit;border:1px solid rgba(255,255,255,.65);box-shadow:0 0 8px rgba(122,196,245,.55),0 0 18px rgba(89,126,247,.35);pointer-events:none;z-index:1}.main-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(89,126,247,.36)}@keyframes btnShine{0%{transform:translateX(-120%)}55%{transform:translateX(120%)}100%{transform:translateX(120%)}}
.mobile-head{display:none;height:64px;align-items:center;justify-content:space-between;padding:0 14px;background:linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%)}.menu-toggle{width:42px;height:42px;border:0;border-radius:14px;background:rgba(255,255,255,.75);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:inset 0 0 0 1px rgba(89,126,247,.14)}.menu-toggle span{width:20px;height:2px;background:#1D2B5F;border-radius:2px}.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}.mobile-logo img{width:116px;max-height:42px;object-fit:contain}.mobile-reg{min-height:38px;padding:0 13px;font-size:13px}.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.38);z-index:10000;opacity:0;pointer-events:none;transition:opacity .25s ease}.drawer-mask.show{opacity:1;pointer-events:auto}.mobile-drawer{position:fixed;top:0;left:0;height:100vh;width:82vw;max-width:320px;background:linear-gradient(135deg,#fff 0%,#F7F9FF 54%,#EAF7FF 100%);z-index:10001;transform:translateX(-105%);transition:transform .28s ease;box-shadow:18px 0 40px rgba(29,43,95,.16);padding:18px}.mobile-drawer.open{transform:translateX(0)}body.drawer-open{overflow:hidden}.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.drawer-logo img{width:138px}.drawer-close{border:0;background:rgba(89,126,247,.10);color:#1D2B5F;width:38px;height:38px;border-radius:14px;font-size:26px;line-height:1}.drawer-nav{display:grid;gap:10px}.drawer-nav a{padding:13px 14px;border-radius:16px;background:rgba(255,255,255,.78);border:1px solid rgba(89,126,247,.14);color:#1D2B5F;font-weight:800}.drawer-nav a.active{color:rgb(89,126,247);box-shadow:inset 0 0 0 1px rgba(89,126,247,.22)}
main{min-height:60vh}.section{padding:72px 0}.section.alt{background:#FFFFFF}.section.soft{background:linear-gradient(135deg,#F7F9FF 0%,#ECF0FF 55%,#EAF7FF 100%)}.section.dark-tech{background:linear-gradient(135deg,#1F1F1F 0%,#2B2B2B 100%);color:#fff}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border:1px solid rgba(89,126,247,.20);background:rgba(255,255,255,.72);border-radius:999px;color:rgb(89,126,247);font-weight:800;font-size:14px}.section-title{margin:12px 0 12px;color:#1D2B5F;font-size:clamp(28px,3vw,42px);line-height:1.25}.section-desc{max-width:820px;color:#5B647A;margin:0 0 28px;font-size:17px}.text-link{color:rgb(89,126,247);font-weight:800;display:inline-flex;align-items:center;gap:6px}.text-link::after{content:"›";font-size:20px;line-height:1}.hero-section{background:radial-gradient(circle at 18% 20%, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 32%),linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);padding:84px 0 70px}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center}.hero-copy h1{margin:18px 0;color:#1D2B5F;font-size:clamp(34px,5vw,62px);line-height:1.12;letter-spacing:-.8px}.hero-copy p{color:#3F4A66;font-size:18px;max-width:640px}.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:28px 0}.hero-tags{display:flex;gap:12px;flex-wrap:wrap}.hero-tags span{padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid rgba(89,126,247,.16);color:#1D2B5F;font-weight:800}.hero-visual{padding:22px;border-radius:34px;background:rgba(255,255,255,.58);border:1px solid rgba(89,126,247,.18);box-shadow:0 24px 60px rgba(89,126,247,.15);backdrop-filter:blur(12px)}.hero-visual img{max-width:100%;height:auto;max-height:430px;object-fit:contain;margin:0 auto}.mini-board{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.mini-board div{background:rgba(255,255,255,.85);border:1px solid rgba(89,126,247,.14);border-radius:18px;padding:12px}.mini-board b{display:block;color:rgb(89,126,247);font-size:14px}.mini-board span{color:#5B647A;font-size:13px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-card,.card,.zone-card,.info-card{background:rgba(255,255,255,0.86);border:1px solid rgba(89,126,247,0.16);box-shadow:0 16px 40px rgba(89,126,247,0.10);border-radius:24px}.quick-card{padding:20px}.quick-card b{color:rgb(89,126,247);font-size:18px}.quick-card h3{margin:8px 0 4px;color:#1D2B5F}.quick-card p{margin:0;color:#5B647A;font-size:15px}.overview{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card{padding:24px}.info-card .num{color:rgb(89,126,247);font-weight:900}.info-card h3{color:#1D2B5F;margin:8px 0}.info-card p{color:#5B647A;margin:0}.feature-list{display:grid;gap:30px}.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.feature-row.reverse .feature-img{order:2}.feature-img{padding:18px;border-radius:30px;background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(236,240,255,.75));border:1px solid rgba(89,126,247,.14);box-shadow:var(--shadow)}.content-img,.feature-img img,.zone-card img,.app-section img,.hero-visual img{max-width:100%;height:auto;object-fit:contain}.feature-img img{max-height:340px;margin:0 auto}.feature-copy{padding:10px}.feature-copy h3{font-size:30px;line-height:1.25;color:#1D2B5F;margin:10px 0}.feature-copy p{color:#3F4A66}.points{display:grid;gap:8px;margin:18px 0}.points span{display:flex;gap:8px;color:#5B647A}.points span::before{content:"";width:8px;height:8px;margin-top:12px;border-radius:999px;background:rgb(89,126,247);flex:0 0 auto}.zone-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.zone-card{overflow:hidden}.zone-card.wide{grid-column:span 2}.zone-card img{width:100%;max-height:178px;margin:0 auto;padding:14px 14px 0}.zone-body{padding:20px}.zone-label{display:inline-block;color:rgb(89,126,247);font-weight:900;font-size:13px;background:rgba(89,126,247,.09);padding:4px 10px;border-radius:999px}.zone-body h3{color:#1D2B5F;margin:10px 0}.zone-body p{color:#5B647A;margin:0 0 12px}.app-banner{display:grid;grid-template-columns:.86fr 1.14fr;gap:34px;align-items:center;padding:34px;border-radius:34px;background:linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%);border:1px solid rgba(89,126,247,.16);box-shadow:var(--shadow)}.app-visual img{max-height:390px;margin:0 auto}.feature-pills{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0}.feature-pills span{padding:12px 14px;border-radius:18px;background:rgba(255,255,255,.82);border:1px solid rgba(89,126,247,.14);color:#1D2B5F;font-weight:800}.support-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}.support-copy img{max-height:280px;margin:20px 0 0}.security-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.security-cards .info-card{padding:18px}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.faq-item{padding:22px;border-radius:24px;background:#fff;border:1px solid rgba(89,126,247,.16);box-shadow:var(--shadow)}.faq-item h3{margin:0 0 8px;color:#1D2B5F}.faq-item p{margin:0;color:#5B647A}.notice{padding:28px;border-radius:28px;background:rgba(255,255,255,.88);border:1px solid rgba(89,126,247,.18);box-shadow:var(--shadow);color:#3F4A66}.notice h2{margin:0 0 10px;color:#1D2B5F}.inner-hero{padding:62px 0;background:radial-gradient(circle at 18% 20%, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 32%),linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%)}.inner-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.inner-hero h1{font-size:clamp(32px,4vw,52px);line-height:1.18;color:#1D2B5F;margin:14px 0}.inner-hero p{color:#3F4A66;font-size:17px}.inner-visual{padding:20px;border-radius:30px;background:rgba(255,255,255,.68);border:1px solid rgba(89,126,247,.16);box-shadow:var(--shadow)}.inner-visual img{max-height:360px;margin:0 auto;object-fit:contain}.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:start}.article-card{padding:30px;border-radius:28px;background:#fff;border:1px solid rgba(89,126,247,.16);box-shadow:var(--shadow)}.article-card h2{color:#1D2B5F;margin:0 0 12px}.article-card p{color:#3F4A66}.side-stack{display:grid;gap:16px}.small-card{padding:20px;border-radius:22px;background:rgba(255,255,255,.86);border:1px solid rgba(89,126,247,.16);box-shadow:var(--shadow)}.small-card h3{margin:0 0 8px;color:#1D2B5F}.small-card p,.small-card li{color:#5B647A}.list-check{padding:0;margin:14px 0 0;list-style:none;display:grid;gap:10px}.list-check li{padding-left:22px;position:relative}.list-check li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:999px;background:rgb(89,126,247)}.table-like{display:grid;gap:12px}.table-row{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:14px;border-radius:18px;background:#F6F8FF;border:1px solid rgba(89,126,247,.12)}.table-row b{color:rgb(89,126,247)}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review{padding:22px;border-radius:24px;background:#fff;border:1px solid rgba(89,126,247,.16);box-shadow:var(--shadow);color:#5B647A}.review b{display:block;color:#1D2B5F;margin-bottom:8px}.site-footer{background:linear-gradient(135deg,#1F1F1F 0%,#2B2B2B 100%);color:#DDE3F4;padding:54px 0 0}.footer-grid{display:grid;grid-template-columns:1.25fr .85fr .85fr 1fr;gap:30px}.footer-brand img{width:150px;filter:brightness(1.05)}.site-footer h3{color:#fff;margin:0 0 14px}.site-footer a{display:block;color:#DDE3F4;margin:8px 0}.site-footer p{color:#BFC7DA;margin:12px 0}.footer-link{color:#BFD3FF!important;font-weight:800}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.10);padding:18px;margin-top:34px;color:#BFC7DA}
@media (max-width:1024px){.desktop-head{gap:14px}.top-nav a{font-size:14px;padding:8px 9px}.quick-grid,.overview{grid-template-columns:repeat(2,1fr)}.zone-wall{grid-template-columns:repeat(2,1fr)}.reviews{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.desktop-head{display:none}.mobile-head{display:flex}.hero-section{padding:48px 0}.hero-grid,.inner-grid,.feature-row,.app-banner,.support-grid,.content-grid{grid-template-columns:1fr}.hero-copy{text-align:left}.hero-actions{margin:22px 0}.hero-visual{padding:14px;border-radius:24px}.mini-board{grid-template-columns:1fr}.quick-grid{display:flex;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}.quick-card{min-width:226px;scroll-snap-align:start}.overview,.security-cards,.faq-grid,.feature-pills,.reviews{grid-template-columns:1fr}.feature-row.reverse .feature-img{order:0}.zone-wall{grid-template-columns:1fr}.zone-card.wide{grid-column:auto}.section{padding:48px 0}.app-banner{padding:22px}.footer-grid{grid-template-columns:1fr}.table-row{grid-template-columns:1fr}.brand img{width:130px}.inner-hero{padding:42px 0}.mobile-reg{max-width:104px}.hero-copy h1{letter-spacing:0}}
@media (max-width:420px){.container{width:min(100% - 24px,1180px)}.mobile-logo img{width:104px}.mobile-reg{font-size:12px;padding:0 10px;min-height:36px}.menu-toggle{width:38px;height:38px}.hero-tags span{font-size:13px}.section-title{font-size:28px}.feature-copy h3{font-size:25px}.article-card{padding:22px}.quick-card{min-width:210px}}