:root{
  --brand: rgb(89, 126, 247);
  --brand-hex: #597EF7;
  --brand-start: #7580EE;
  --brand-end: #7AC4F5;
  --light-a: #ECF0FF;
  --light-b: #F6F8FF;
  --light-c: #EAF7FF;
  --deep-blue: #1D2B5F;
  --text: #222222;
  --muted: #5B647A;
  --white: #FFFFFF;
  --footer: #1F1F1F;
  --footer-soft: #2B2B2B;
  --dark-banner: #101827;
  --radius: 22px;
  --shadow: 0 16px 40px rgba(89,126,247,0.10);
  --border: 1px solid rgba(89,126,247,0.16);
}
*{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;color:var(--text);background:#F6F8FF;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.container{width:min(1200px, 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);border-bottom:1px solid rgba(89,126,247,0.14)}
.desktop-nav{height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{width:148px;max-height:54px;object-fit:contain}.nav-links{display:flex;align-items:center;justify-content:center;gap:6px;flex:1;min-width:0}.nav-links a{font-size:15px;font-weight:700;color:#1D2B5F;padding:9px 12px;border-radius:999px;white-space:nowrap;transition:.22s ease}.nav-links a:hover,.nav-links a.active{color:var(--brand-hex);background:rgba(255,255,255,.72);box-shadow:inset 0 0 0 1px rgba(89,126,247,.16)}
.main-btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;background:linear-gradient(135deg,#7580EE 0%,#597EF7 48%,#7AC4F5 100%);color:#fff!important;border-radius:999px;font-weight:800;letter-spacing:.02em;box-shadow:0 10px 24px rgba(89,126,247,.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:-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 32px rgba(89,126,247,.35)}@keyframes btnShine{0%{transform:translateX(-120%)}55%{transform:translateX(120%)}100%{transform:translateX(120%)}}
.mobile-topbar{display:none;height:66px;align-items:center;justify-content:space-between;padding:0 14px;gap:10px}.menu-toggle{width:42px;height:42px;border:0;background:rgba(255,255,255,.72);border-radius:13px;box-shadow:inset 0 0 0 1px rgba(89,126,247,.18);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0}.menu-toggle span{width:20px;height:2px;border-radius:2px;background:#1D2B5F}.mobile-logo{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:center}.mobile-logo img{width:122px;max-height:48px;object-fit:contain}.header-btn{flex:0 0 auto}.drawer-mask{position:fixed;inset:0;background:rgba(15,23,42,.42);z-index:10000;opacity:0;transition:.28s ease}.drawer-open .drawer-mask{opacity:1}.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;z-index:10001;background:linear-gradient(135deg,#FFFFFF 0%,#F6F8FF 48%,#EAF7FF 100%);box-shadow:20px 0 44px rgba(15,23,42,.18);transform:translateX(-105%);transition:transform .28s ease;display:flex;flex-direction:column;overflow-y:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 18px 12px;border-bottom:1px solid rgba(89,126,247,.14)}.drawer-logo img{width:132px;max-height:50px;object-fit:contain}.drawer-close{width:38px;height:38px;border:0;border-radius:13px;background:#fff;color:#1D2B5F;font-size:26px;line-height:1;box-shadow:inset 0 0 0 1px rgba(89,126,247,.16)}.drawer-nav{display:grid;gap:8px;padding:16px}.drawer-nav a{padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.72);color:#1D2B5F;font-weight:800;border:1px solid rgba(89,126,247,.12)}.drawer-nav a.active{color:var(--brand-hex);background:rgba(236,240,255,.95);border-color:rgba(89,126,247,.3)}.drawer-note{margin:0 16px 18px;padding:14px;border-radius:18px;background:rgba(255,255,255,.72);border:1px solid rgba(89,126,247,.16);color:#5B647A;font-size:13px}.site-main{min-height:60vh}.section{padding:42px 0}.section-head{max-width:780px;margin:0 auto 26px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-hex);font-size:13px;font-weight:900;letter-spacing:.08em;background:rgba(236,240,255,.78);border:1px solid rgba(89,126,247,.16);border-radius:999px;padding:6px 12px;margin-bottom:10px}h1,h2,h3{margin:0;color:#1D2B5F;line-height:1.28}h1{font-size:clamp(30px,5vw,54px);letter-spacing:-.03em}h2{font-size:clamp(24px,3.2vw,36px)}h3{font-size:20px}p{margin:0;color:#5B647A}.lead{font-size:17px;color:#33406F;margin-top:12px}.text-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:rgb(89,126,247);font-weight:900}.text-link::after{content:"›";font-size:20px;line-height:1}.page-hero{padding:64px 0 28px;background:radial-gradient(circle at 18% 0%, rgba(122,196,245,.24), transparent 32%),linear-gradient(135deg,#F7F9FF 0%,#ECF0FF 55%,#EAF7FF 100%)}.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.75fr);gap:30px;align-items:center}.page-hero-card{background:rgba(255,255,255,.82);border:var(--border);box-shadow:var(--shadow);border-radius:28px;padding:30px}.hero-visual{border-radius:28px;background:linear-gradient(135deg,#ECF0FF 0%,#FFFFFF 52%,#EAF7FF 100%);border:var(--border);box-shadow:var(--shadow);padding:20px;min-height:270px;display:flex;align-items:center;justify-content:center}.hero-visual img{width:100%;max-height:340px;object-fit:contain}.banner-slider{max-width:1200px;margin:28px auto 42px;border-radius:18px;background:#101827;box-shadow:0 24px 55px rgba(16,24,39,.22);overflow:hidden;position:relative;height:390px}.banner-track{height:100%;position:relative}.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .55s ease;display:flex;align-items:center;justify-content:center;background:#101827}.banner-slide.active{opacity:1;z-index:1}.banner-slide img{width:100%;height:100%;object-fit:cover;object-position:center;max-width:100%}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.18);background:rgba(15,23,42,.45);color:#fff;font-size:34px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s ease}.slider-arrow:hover{background:rgba(15,23,42,.68)}.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}.slider-dots{position:absolute;z-index:4;bottom:18px;left:0;right:0;display:flex;align-items:center;justify-content:center;gap:9px}.slider-dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(255,255,255,.35);cursor:pointer;transition:.22s ease;padding:0}.slider-dot.active{width:34px;background:linear-gradient(135deg,#7580EE 0%,#597EF7 48%,#7AC4F5 100%)}.quick-caps{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x proximity}.quick-caps::-webkit-scrollbar{height:6px}.quick-caps::-webkit-scrollbar-thumb{background:rgba(89,126,247,.24);border-radius:999px}.quick-pill{flex:1 0 142px;min-width:142px;scroll-snap-align:start;background:rgba(255,255,255,.82);border:1px solid rgba(89,126,247,.16);border-radius:18px;padding:14px 15px;box-shadow:0 12px 28px rgba(89,126,247,.08);transition:.22s ease}.quick-pill:hover{transform:translateY(-3px);border-color:rgba(89,126,247,.4);box-shadow:0 16px 36px rgba(89,126,247,.14)}.quick-pill b{display:inline-flex;font-size:12px;color:#fff;background:linear-gradient(135deg,#7580EE 0%,#597EF7 48%,#7AC4F5 100%);border-radius:999px;padding:2px 8px;margin-bottom:8px}.quick-pill strong{display:block;color:#1D2B5F;font-size:16px;margin-bottom:2px}.quick-pill span{display:block;color:#5B647A;font-size:13px}.intro-strip{background:linear-gradient(135deg,rgba(255,255,255,.9) 0%,rgba(236,240,255,.88) 58%,rgba(234,247,255,.9) 100%);border:1px solid rgba(89,126,247,.16);border-radius:24px;padding:24px 28px;box-shadow:var(--shadow)}.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.info-card,.card,.zone-card{background:rgba(255,255,255,.86);border:1px solid rgba(89,126,247,.16);box-shadow:0 16px 40px rgba(89,126,247,.10);border-radius:22px}.info-card{padding:22px}.number{display:inline-flex;width:36px;height:36px;border-radius:14px;align-items:center;justify-content:center;background:rgba(236,240,255,.9);color:var(--brand-hex);font-weight:900;margin-bottom:12px}.info-card h3{margin-bottom:8px}.info-card p{font-size:14px}.alt-stack{display:grid;gap:24px}.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;background:rgba(255,255,255,.72);border:1px solid rgba(89,126,247,.14);border-radius:28px;padding:22px;box-shadow:var(--shadow)}.alt-row.reverse .alt-media{order:2}.alt-row.reverse .alt-content{order:1}.alt-media{border-radius:24px;background:linear-gradient(135deg,#ECF0FF 0%,#FFFFFF 52%,#EAF7FF 100%);border:1px solid rgba(89,126,247,.14);padding:14px;min-height:260px;display:flex;align-items:center;justify-content:center;overflow:hidden}.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}.alt-media img{width:100%;max-height:300px;object-fit:contain}.alt-content{padding:10px 8px}.alt-content p{margin-top:12px}.point-list{display:grid;gap:8px;margin:16px 0 0;padding:0;list-style:none}.point-list li{position:relative;padding-left:22px;color:#33406F}.point-list li::before{content:"";position:absolute;left:0;top:.78em;width:8px;height:8px;border-radius:50%;background:rgb(89,126,247);box-shadow:0 0 0 5px rgba(89,126,247,.12)}.zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.zone-card{overflow:hidden;display:flex;flex-direction:column}.zone-card.wide{grid-column:span 2}.zone-img{height:170px;background:linear-gradient(135deg,#ECF0FF 0%,#FFFFFF 55%,#EAF7FF 100%);display:flex;align-items:center;justify-content:center;padding:12px;border-bottom:1px solid rgba(89,126,247,.12)}.zone-img img{max-height:150px;width:100%;object-fit:contain}.zone-body{padding:20px}.tag{display:inline-flex;color:var(--brand-hex);background:rgba(236,240,255,.9);border:1px solid rgba(89,126,247,.16);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:900;margin-bottom:10px}.zone-body h3{margin-bottom:8px}.zone-body p{font-size:14px}.zone-card.text-only{padding:22px;min-height:260px;justify-content:center;background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(236,240,255,.85))}.app-section{background:linear-gradient(135deg,#F7F9FF 0%,#ECF0FF 55%,#EAF7FF 100%);border:1px solid rgba(89,126,247,.16);box-shadow:var(--shadow);border-radius:30px;padding:30px;display:grid;grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr);gap:30px;align-items:center}.app-visual{display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.62);border-radius:26px;border:1px solid rgba(89,126,247,.13);padding:18px}.app-visual img{max-height:360px;object-fit:contain}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.feature{background:rgba(255,255,255,.74);border:1px solid rgba(89,126,247,.14);border-radius:16px;padding:12px;color:#1D2B5F;font-weight:800}.security-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:start}.security-copy{background:rgba(255,255,255,.84);border:1px solid rgba(89,126,247,.16);box-shadow:var(--shadow);border-radius:24px;padding:26px}.security-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.mini-card{background:rgba(255,255,255,.86);border:1px solid rgba(89,126,247,.16);border-radius:20px;padding:18px;box-shadow:0 10px 26px rgba(89,126,247,.08)}.mini-card b{color:var(--brand-hex);font-size:13px}.mini-card h3{font-size:17px;margin:4px 0 6px}.mini-card p{font-size:14px}.faq-list{display:grid;gap:14px}.faq-item{background:rgba(255,255,255,.86);border:1px solid rgba(89,126,247,.16);border-radius:20px;padding:20px;box-shadow:0 12px 28px rgba(89,126,247,.08)}.faq-item h3{font-size:18px;margin-bottom:8px}.faq-item p{font-size:15px}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}.article-card{background:rgba(255,255,255,.86);border:1px solid rgba(89,126,247,.16);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.article-card + .article-card{margin-top:18px}.article-card p{margin-top:12px}.article-card h2{margin-bottom:10px}.side-card{background:linear-gradient(135deg,#FFFFFF 0%,#ECF0FF 100%);border:1px solid rgba(89,126,247,.16);border-radius:24px;padding:22px;box-shadow:var(--shadow);position:sticky;top:98px}.side-card img{width:100%;max-height:260px;object-fit:contain;margin-bottom:14px;border-radius:18px;background:#fff}.side-card ul{padding:0;margin:12px 0 0;list-style:none;display:grid;gap:10px}.side-card li{color:#33406F;padding-left:20px;position:relative}.side-card li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand-hex)}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step-card{background:rgba(255,255,255,.86);border:1px solid rgba(89,126,247,.16);border-radius:22px;padding:22px;box-shadow:0 14px 32px rgba(89,126,247,.08)}.step-card h3{font-size:18px;margin:8px 0}.notice-box{background:linear-gradient(135deg,rgba(236,240,255,.9),rgba(234,247,255,.9));border:1px solid rgba(89,126,247,.18);border-radius:22px;padding:22px;color:#33406F}.notice-box strong{color:#1D2B5F}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.contact-card{background:rgba(255,255,255,.86);border:1px solid rgba(89,126,247,.16);border-radius:22px;padding:22px;box-shadow:0 14px 32px rgba(89,126,247,.08)}.contact-card h3{margin-bottom:8px}.contact-card p{font-size:14px}.site-footer{background:linear-gradient(135deg,#1F1F1F 0%,#2B2B2B 100%);color:#fff;margin-top:42px;padding:46px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:26px}.footer-logo img{width:142px;max-height:52px;object-fit:contain;filter:brightness(1.08)}.footer-brand p{color:rgba(255,255,255,.72);margin-top:16px}.footer-col{display:grid;gap:8px;align-content:start}.footer-col h3{color:#fff;font-size:17px;margin-bottom:6px}.footer-col a{color:rgba(255,255,255,.72);font-size:14px}.footer-col a:hover{color:#fff}.footer-warning{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;display:flex;justify-content:space-between;gap:18px}.footer-warning p{color:rgba(255,255,255,.62);font-size:13px;max-width:760px}
@media (max-width:1080px){.desktop-nav{gap:16px}.nav-links a{font-size:14px;padding:8px 9px}.board-grid{grid-template-columns:repeat(2,1fr)}.zone-grid{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:1fr}.side-card{position:relative;top:auto}.footer-grid{grid-template-columns:1fr 1fr}.banner-slider{height:320px}.page-hero-grid{grid-template-columns:1fr}}
@media (max-width:780px){.desktop-nav{display:none}.mobile-topbar{display:flex}.site-main{padding-top:0}.header-btn{min-height:38px;padding:0 14px;font-size:13px}.banner-slider{height:220px;margin:18px auto 30px;border-radius:16px}.slider-arrow{width:36px;height:36px;font-size:26px}.slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}.section{padding:32px 0}.intro-strip{padding:20px}.board-grid,.security-cards,.feature-grid,.step-grid,.contact-grid{grid-template-columns:1fr}.alt-row,.alt-row.reverse{grid-template-columns:1fr;padding:16px}.alt-row.reverse .alt-media,.alt-row.reverse .alt-content{order:initial}.alt-media{min-height:210px}.zone-grid{grid-template-columns:1fr}.zone-card.wide{grid-column:auto}.app-section{grid-template-columns:1fr;padding:20px}.security-wrap{grid-template-columns:1fr}.page-hero{padding:40px 0 20px}.page-hero-card{padding:22px}.hero-visual{min-height:220px}.footer-grid{grid-template-columns:1fr}.footer-warning{flex-direction:column}.content-grid{gap:18px}.article-card{padding:22px}.side-card img{max-height:220px}}
@media (max-width:460px){.container{width:min(100% - 24px,1200px)}.quick-pill{flex-basis:150px}.banner-slider{height:190px}.mobile-logo img{width:108px}.main-btn{padding:0 12px}.page-hero-card{padding:20px}.zone-img{height:150px}.zone-img img{max-height:132px}}