:root{
  --brand: rgb(89, 126, 247);
  --brand-hex:#597EF7;
  --brand-soft:#ECF0FF;
  --page:#F6F8FF;
  --sky:#EAF7FF;
  --deep:#1D2B5F;
  --text:#222222;
  --muted:#5B647A;
  --line: rgba(89,126,247,0.16);
  --glass: rgba(255,255,255,0.86);
  --shadow: 0 16px 40px rgba(89,126,247,0.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#F6F8FF;color:var(--text);line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height: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)}
.header-inner{max-width:1220px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;gap:24px}
.brand img,.mobile-logo img,.drawer-logo img,.footer-brand img{width:154px;height:auto;object-fit:contain}
.main-nav{flex:1;display:flex;align-items:center;justify-content:center;gap:5px}
.main-nav a{font-size:15px;font-weight:700;color:#1D2B5F;padding:9px 12px;border-radius:999px;transition:.22s ease;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--brand);background:rgba(255,255,255,.72);box-shadow:inset 0 0 0 1px rgba(89,126,247,.14)}
.main-btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,#7580EE 0%,#597EF7 48%,#7AC4F5 100%);color:#fff;border-radius:999px;box-shadow:0 10px 24px rgba(89,126,247,0.28);font-weight:800;border:0;white-space:nowrap;transition:.22s ease}
.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:-1}
.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}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(89,126,247,.34)}
.header-btn{padding:11px 22px;font-size:15px}
@keyframes btnShine{0%{transform:translateX(-120%)}55%{transform:translateX(120%)}100%{transform:translateX(120%)}}
.mobile-header{display:none;align-items:center;justify-content:space-between;padding:10px 14px;min-height:64px}
.menu-toggle{width:42px;height:42px;border:1px solid rgba(89,126,247,.18);border-radius:14px;background:rgba(255,255,255,.76);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:0 8px 20px rgba(89,126,247,.10)}
.menu-toggle span{width:18px;height:2px;background:#1D2B5F;border-radius:999px}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
.mobile-logo img{width:124px}.mobile-reg{padding:8px 12px;font-size:13px;min-width:78px}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.42);opacity:0;visibility:hidden;transition:.25s ease;z-index:10000}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:linear-gradient(135deg,#FFFFFF 0%,#ECF0FF 56%,#EAF7FF 100%);box-shadow:20px 0 50px rgba(29,43,95,.18);transform:translateX(-105%);transition:.28s ease;z-index:10001;padding:18px;overflow-y:auto}
.drawer-open{overflow:hidden}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.drawer-logo img{width:132px}.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#fff;color:#1D2B5F;font-size:28px;line-height:1;box-shadow:0 8px 20px rgba(89,126,247,.12)}
.drawer-nav{display:grid;gap:10px}.drawer-nav a{padding:13px 14px;border-radius:16px;background:rgba(255,255,255,.74);border:1px solid rgba(89,126,247,.14);font-weight:800;color:#1D2B5F}.drawer-nav a.active{color:var(--brand);background:#fff;box-shadow:var(--shadow)}
.container{max-width:1220px;margin:0 auto;padding:0 22px}.section{padding:72px 0}.section.alt{background:#fff}.section.soft{background:#ECF0FF}.section-head{max-width:780px;margin:0 auto 34px;text-align:center}.eyebrow,.tag{display:inline-flex;align-items:center;gap:6px;color:var(--brand);background:rgba(89,126,247,.10);border:1px solid rgba(89,126,247,.16);border-radius:999px;padding:6px 12px;font-weight:800;font-size:13px}.section-head h2,.panel-title{margin:12px 0;color:#1D2B5F;font-size:34px;line-height:1.24}.section-head p{margin:0;color:#5B647A;font-size:16px}.text-link{color:var(--brand);font-weight:800;display:inline-flex;align-items:center}.text-link::after{content:"›";margin-left:6px;font-size:18px}
.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:78px 0 58px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);gap:42px;align-items:center}.hero-copy h1{margin:16px 0 18px;font-size:52px;line-height:1.12;color:#1D2B5F;letter-spacing:-.5px}.hero-copy h1 span{color:var(--brand)}.hero-copy p{font-size:17px;color:#3F4A66;margin:0 0 26px;max-width:650px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.hero-tags span{background:#fff;border:1px solid rgba(89,126,247,.16);color:#1D2B5F;border-radius:999px;padding:8px 12px;font-weight:800;box-shadow:0 8px 18px rgba(89,126,247,.08)}
.hero-visual{background:rgba(255,255,255,.64);border:1px solid rgba(89,126,247,.18);border-radius:34px;box-shadow:0 24px 70px rgba(89,126,247,.16);padding:18px;position:relative}.hero-visual img{max-width:100%;height:auto;object-fit:contain;margin:auto;border-radius:24px}.hero-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.hero-mini div{background:rgba(255,255,255,.86);border:1px solid rgba(89,126,247,.16);border-radius:20px;padding:13px;box-shadow:0 12px 28px rgba(89,126,247,.10)}.hero-mini b{display:block;color:var(--brand);font-size:15px}.hero-mini span{font-size:13px;color:#5B647A}
.quick-nav{margin-top:-22px;position:relative;z-index:2}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-item,.info-card,.card,.zone-card,.faq-item{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-item{padding:18px;min-height:132px}.quick-item em{font-style:normal;color:var(--brand);font-weight:900;font-size:14px}.quick-item h3{margin:6px 0 4px;color:#1D2B5F;font-size:18px}.quick-item p{margin:0;color:#5B647A;font-size:14px}.overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.info-card{padding:22px}.info-card .num{color:var(--brand);font-weight:900;font-size:15px}.info-card h3{margin:8px 0;color:#1D2B5F;font-size:20px}.info-card p{margin:0;color:#5B647A;font-size:15px}
.feature-stack{display:grid;gap:26px}.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;background:rgba(255,255,255,.72);border:1px solid rgba(89,126,247,.16);border-radius:32px;padding:22px;box-shadow:var(--shadow)}.feature-row.reverse .feature-text{order:1}.feature-row.reverse .feature-img{order:2}.feature-img{background:linear-gradient(135deg,#F7F9FF 0%,#ECF0FF 55%,#EAF7FF 100%);border-radius:26px;padding:18px;display:flex;align-items:center;justify-content:center;min-height:260px}.content-img,.zone-card img,.app-section img,.hero-visual img,.inner-hero img,.page-image img{max-width:100%;height:auto;object-fit:contain}.feature-img img{max-height:340px;object-fit:contain}.feature-text{padding:12px}.feature-text h2{margin:10px 0 12px;color:#1D2B5F;font-size:30px;line-height:1.25}.feature-text p{color:#3F4A66;margin:0 0 14px}.feature-points{display:grid;gap:9px;margin:15px 0}.feature-points span{background:#F6F8FF;border:1px solid rgba(89,126,247,.14);border-radius:16px;padding:9px 12px;color:#1D2B5F;font-weight:700}
.zone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.zone-card{padding:16px;display:flex;flex-direction:column;gap:10px}.zone-card.wide{grid-column:span 2}.zone-card .zone-img{background:linear-gradient(135deg,#F7F9FF,#ECF0FF);border-radius:18px;padding:12px;min-height:150px;display:flex;align-items:center;justify-content:center}.zone-card img{max-height:150px;object-fit:contain}.zone-card h3{margin:0;color:#1D2B5F;font-size:21px}.zone-card p{margin:0;color:#5B647A;font-size:15px}.zone-card.text-only{justify-content:space-between;background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(236,240,255,.82))}.zone-card.text-only .zone-img{display:none}
.app-section{background:linear-gradient(135deg,#F7F9FF 0%,#ECF0FF 55%,#EAF7FF 100%);border-radius:36px;border:1px solid rgba(89,126,247,.16);box-shadow:var(--shadow);padding:30px;display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:center}.app-section .app-visual{background:rgba(255,255,255,.72);border-radius:28px;padding:18px;display:flex;align-items:center;justify-content:center}.app-section img{max-height:420px}.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0}.check-list span{background:rgba(255,255,255,.78);border:1px solid rgba(89,126,247,.14);border-radius:16px;padding:11px 12px;color:#1D2B5F;font-weight:800}.support-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start}.support-lead{background:linear-gradient(135deg,#FFFFFF 0%,#ECF0FF 100%);border:1px solid rgba(89,126,247,.16);border-radius:30px;padding:24px;box-shadow:var(--shadow)}.support-lead img{margin-top:16px;max-height:260px;object-fit:contain}.security-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.security-cards .card{padding:18px}.security-cards b{color:var(--brand);font-size:14px}.security-cards h3{margin:7px 0;color:#1D2B5F;font-size:18px}.security-cards p{margin:0;color:#5B647A;font-size:14px}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.faq-item{padding:22px}.faq-item h3{margin:0 0 8px;color:#1D2B5F;font-size:19px}.faq-item p{margin:0;color:#5B647A}.notice-box{background:#1F1F1F;color:#fff;border-radius:30px;padding:28px;display:grid;grid-template-columns:1fr 1.4fr;gap:22px;align-items:center}.notice-box h2{margin:0;color:#fff;font-size:30px}.notice-box p{margin:0;color:#D8DDEE}.notice-list{display:grid;gap:10px}.notice-list span{background:#2B2B2B;border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:11px 14px;color:#ECF0FF}
.inner-hero{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:70px 0}.inner-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:36px;align-items:center}.inner-hero h1{font-size:44px;line-height:1.18;color:#1D2B5F;margin:14px 0}.inner-hero p{color:#3F4A66;font-size:17px;margin:0}.page-image{background:rgba(255,255,255,.68);border:1px solid rgba(89,126,247,.16);border-radius:30px;padding:18px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}.page-image img{max-height:360px}.content-layout{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:start}.article-card{background:#fff;border:1px solid rgba(89,126,247,.14);border-radius:30px;padding:30px;box-shadow:var(--shadow)}.article-card h2{color:#1D2B5F;font-size:30px;margin:0 0 14px}.article-card h3{color:#1D2B5F;font-size:22px;margin:24px 0 10px}.article-card p{color:#3F4A66;margin:0 0 14px}.article-card ul{margin:8px 0 20px;padding-left:20px;color:#3F4A66}.article-card li{margin:6px 0}.side-panel{position:sticky;top:94px;background:linear-gradient(135deg,#fff,#ECF0FF);border:1px solid rgba(89,126,247,.16);border-radius:28px;padding:22px;box-shadow:var(--shadow)}.side-panel h3{margin:0 0 12px;color:#1D2B5F}.side-panel a,.side-panel span{display:block;padding:11px 12px;border-radius:14px;color:#1D2B5F;background:rgba(255,255,255,.72);margin-bottom:8px;font-weight:700}.side-panel a:hover{color:var(--brand)}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0}.step{background:#F6F8FF;border:1px solid rgba(89,126,247,.16);border-radius:20px;padding:18px}.step b{color:var(--brand)}.step h3{font-size:19px;margin:8px 0;color:#1D2B5F}.step p{margin:0;color:#5B647A}.list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.list-grid .card{padding:18px}.list-grid h3{margin:0 0 8px;color:#1D2B5F}.list-grid p{margin:0;color:#5B647A}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.contact-card{padding:22px;background:#fff;border:1px solid rgba(89,126,247,.16);border-radius:24px;box-shadow:var(--shadow)}.contact-card h3{margin:0 0 8px;color:#1D2B5F}.contact-card p{margin:0;color:#5B647A}
.site-footer{background:#1F1F1F;color:#E8ECFF;padding:48px 22px 22px}.footer-grid{max-width:1220px;margin:0 auto;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer-brand img{width:156px;margin-bottom:14px}.site-footer h3{margin:0 0 12px;color:#fff;font-size:18px}.site-footer p{color:#CBD1E6;margin:0}.site-footer a{display:block;color:#CBD1E6;margin:8px 0}.site-footer a:hover{color:#fff}.footer-bottom{max-width:1220px;margin:28px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);display:flex;justify-content:space-between;gap:20px;color:#AEB6D3;font-size:14px}
@media(max-width:1080px){.desktop-header{display:none}.mobile-header{display:flex}.hero-grid,.inner-grid,.content-layout,.support-grid,.app-section{grid-template-columns:1fr}.hero-copy h1{font-size:42px}.quick-grid,.overview-grid{grid-template-columns:repeat(2,1fr)}.zone-grid{grid-template-columns:repeat(2,1fr)}.feature-row,.feature-row.reverse{grid-template-columns:1fr}.feature-row.reverse .feature-text,.feature-row.reverse .feature-img{order:initial}.side-panel{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.notice-box{grid-template-columns:1fr}}
@media(max-width:680px){.container{padding:0 16px}.section{padding:52px 0}.hero-section{padding:48px 0}.hero-grid{gap:28px}.hero-copy h1,.inner-hero h1{font-size:34px}.hero-copy p,.inner-hero p{font-size:15px}.hero-mini,.quick-grid,.overview-grid,.zone-grid,.faq-grid,.security-cards,.check-list,.steps-grid,.list-grid,.contact-grid{grid-template-columns:1fr}.quick-grid{display:flex;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory}.quick-item{min-width:238px;scroll-snap-align:start}.zone-card.wide{grid-column:auto}.feature-row{padding:16px;border-radius:24px}.feature-img{min-height:190px}.app-section{padding:18px;border-radius:26px}.support-lead img{max-height:200px}.section-head h2,.panel-title{font-size:28px}.article-card{padding:20px;border-radius:24px}.article-card h2{font-size:26px}.footer-grid{grid-template-columns:1fr}.mobile-logo img{width:112px}.mobile-reg{font-size:12px;padding:8px 10px}.menu-toggle{width:38px;height:38px}}