:root{
    --primary: rgb(89, 126, 247);
    --primary-hex: #597EF7;
    --deep: #1D2B5F;
    --text: #222222;
    --muted: #5B647A;
    --soft: #ECF0FF;
    --pale: #F6F8FF;
    --sky: #EAF7FF;
    --white: #FFFFFF;
    --line: rgba(89,126,247,0.16);
    --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;color:var(--text);background:#F6F8FF;line-height:1.78;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);border-bottom:1px solid rgba(255,255,255,.72)}
.header-inner{max-width:1220px;margin:0 auto;height:76px;padding:0 22px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{width:148px;max-height:48px;object-fit:contain}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:6px;flex:1;min-width:0}.desktop-nav a{font-size:15px;font-weight:700;color:#1D2B5F;padding:8px 12px;border-radius:999px;white-space:nowrap;transition:.25s}.desktop-nav a:hover,.desktop-nav a.active{color:var(--primary);background:rgba(255,255,255,.72);box-shadow:inset 0 0 0 1px rgba(89,126,247,.12)}
.main-btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 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(89,126,247,0.28);border:0;transition:.25s;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 30px rgba(89,126,247,.36)}@keyframes btnShine{0%{transform:translateX(-120%)}55%{transform:translateX(120%)}100%{transform:translateX(120%)}}
.menu-toggle{display:none;border:0;background:rgba(255,255,255,.72);width:42px;height:42px;border-radius:14px;box-shadow:inset 0 0 0 1px rgba(89,126,247,.12);padding:10px}.menu-toggle span{display:block;height:2px;margin:5px 0;border-radius:6px;background:#1D2B5F}.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:9998;opacity:0;pointer-events:none;transition:.25s}.drawer-mask.show{opacity:1;pointer-events:auto}.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;z-index:99999;background:linear-gradient(135deg,#fff 0%,#ECF0FF 100%);box-shadow:16px 0 42px rgba(29,43,95,.18);transform:translateX(-104%);transition:transform .28s ease;padding:20px;overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.drawer-logo img{width:132px;max-height:46px;object-fit:contain}.drawer-close{border:0;background:#fff;color:#1D2B5F;width:38px;height:38px;border-radius:50%;font-size:28px;line-height:36px;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,.72);border:1px solid rgba(89,126,247,.12);color:#1D2B5F;font-weight:800}.drawer-nav a.active{color:var(--primary);background:#fff}
.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:72px 0 56px}.container{max-width:1220px;margin:0 auto;padding:0 22px}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 16px;padding:8px 14px;border:1px solid rgba(89,126,247,.18);border-radius:999px;background:rgba(255,255,255,.72);color:var(--primary);font-size:14px;font-weight:800}.hero-title{margin:0;color:#1D2B5F;font-size:clamp(34px,5vw,62px);line-height:1.12;letter-spacing:-.04em}.hero-title span{color:var(--primary)}.hero-desc{margin:22px 0 26px;color:#3F4A66;font-size:18px;max-width:650px}.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.hero-tags span,.mini-tag{display:inline-flex;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.78);border:1px solid rgba(89,126,247,.14);color:#1D2B5F;font-weight:800;font-size:13px}.hero-panel{padding:20px;border-radius:34px;background:rgba(255,255,255,.56);border:1px solid rgba(255,255,255,.78);box-shadow:0 24px 60px rgba(89,126,247,.16);backdrop-filter:blur(12px)}.hero-visual{border-radius:26px;background:linear-gradient(135deg,rgba(236,240,255,.86),rgba(234,247,255,.86));padding:16px}.hero-visual img{width:100%;max-height:420px;object-fit:contain}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.hero-stat{padding:14px;border-radius:20px;background:rgba(255,255,255,.82);border:1px solid rgba(89,126,247,.14)}.hero-stat b{display:block;color:var(--primary);font-size:20px}.hero-stat span{font-size:13px;color:#5B647A}.section{padding:70px 0}.section.alt{background:#ECF0FF}.section.sky{background:linear-gradient(135deg,#F7F9FF 0%,#ECF0FF 55%,#EAF7FF 100%)}.section.dark-band{background:linear-gradient(135deg,#202539 0%,#2B2B2B 100%);color:#fff}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-kicker{display:block;color:var(--primary);font-weight:900;font-size:14px;margin-bottom:8px}.section h2,.section-title{margin:0;color:#1D2B5F;font-size:clamp(26px,3vw,42px);line-height:1.22;letter-spacing:-.03em}.section.dark-band h2,.section.dark-band .section-title{color:#fff}.section-intro{margin:10px 0 0;color:#5B647A;max-width:760px}.section.dark-band .section-intro{color:rgba(255,255,255,.74)}.text-link{color:var(--primary);font-weight:900;display:inline-flex;align-items:center;gap:6px}.text-link::after{content:"→"}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-card,.info-card,.card,.zone-card,.faq-item,.feature-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:18px;min-height:132px}.num{display:inline-flex;color:var(--primary);font-weight:900;margin-bottom:10px}.quick-card h3,.info-card h3,.feature-card h3,.zone-card h3,.content-copy h3{margin:0 0 8px;color:#1D2B5F}.quick-card p,.info-card p,.feature-card p,.zone-card p,.content-copy p,.plain-card p{margin:0;color:#5B647A}.overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card{padding:22px;background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(236,240,255,.62))}.info-card .label{color:var(--primary);font-weight:900;font-size:13px}.split-stack{display:grid;gap:34px}.split-row{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.split-row.reverse .content-img-wrap{order:2}.content-img-wrap{padding:18px;border-radius:30px;background:rgba(255,255,255,.68);border:1px solid rgba(89,126,247,.14);box-shadow:0 20px 48px rgba(89,126,247,.12)}.content-img{width:100%;max-height:360px;object-fit:contain}.content-copy{padding:10px}.content-copy h3{font-size:clamp(24px,3vw,36px);line-height:1.25}.point-list{display:grid;gap:10px;margin:18px 0}.point-list span{display:flex;gap:10px;color:#3F4A66}.point-list span::before{content:"";width:8px;height:8px;margin-top:12px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px rgba(89,126,247,.12);flex:0 0 auto}.zone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.zone-card{overflow:hidden;min-height:282px;display:flex;flex-direction:column}.zone-card.wide{grid-column:span 2}.zone-card img{width:100%;height:148px;object-fit:contain;padding:14px;background:linear-gradient(135deg,#F7F9FF,#EAF7FF)}.zone-body{padding:18px}.zone-label{display:inline-flex;margin-bottom:8px;color:var(--primary);font-size:13px;font-weight:900}.plain-card{padding:22px;border-radius:24px;background:linear-gradient(135deg,rgba(255,255,255,.88),rgba(236,240,255,.74));border:1px solid rgba(89,126,247,.16);box-shadow:0 16px 40px rgba(89,126,247,0.10)}.app-banner{display:grid;grid-template-columns:.86fr 1.14fr;gap:32px;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,.14);box-shadow:0 24px 60px rgba(89,126,247,.14)}.app-section img,.app-img{width:100%;max-height:430px;object-fit:contain}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:20px 0}.feature-card{padding:16px}.support-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:28px;align-items:start}.support-media{padding:18px;border-radius:28px;background:rgba(255,255,255,.72);border:1px solid rgba(89,126,247,.14);box-shadow:var(--shadow);margin-top:20px}.support-media img{width:100%;max-height:280px;object-fit:contain}.security-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.security-card{padding:18px;border-radius:22px;background:rgba(255,255,255,.88);border:1px solid rgba(89,126,247,.15);box-shadow:0 12px 30px rgba(89,126,247,.08)}.security-card b{color:var(--primary);display:block;margin-bottom:6px}.security-card p{margin:0;color:#5B647A}.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}.faq-item p{margin:0;color:#5B647A}.notice-box{padding:26px;border-radius:28px;background:#fff;border:1px solid rgba(89,126,247,.18);box-shadow:var(--shadow)}.notice-box h2,.notice-box h3{margin-top:0;color:#1D2B5F}.notice-box p{color:#5B647A;margin-bottom:0}.page-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:66px 0 48px}.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.page-hero h1{margin:0;color:#1D2B5F;font-size:clamp(32px,4vw,54px);line-height:1.15;letter-spacing:-.03em}.page-hero p{color:#3F4A66;font-size:17px;max-width:780px}.page-visual{padding:18px;border-radius:30px;background:rgba(255,255,255,.64);border:1px solid rgba(89,126,247,.14);box-shadow:0 20px 50px rgba(89,126,247,.14)}.page-visual img{width:100%;max-height:360px;object-fit:contain}.content-layout{display:grid;grid-template-columns:1fr 330px;gap:26px;align-items:start}.article-card{padding:30px;border-radius:28px;background:#fff;border:1px solid rgba(89,126,247,.14);box-shadow:var(--shadow)}.article-card h2{color:#1D2B5F;margin:28px 0 10px}.article-card h2:first-child{margin-top:0}.article-card p,.article-card li{color:#3F4A66}.article-card ul{padding-left:20px}.side-panel{position:sticky;top:98px;display:grid;gap:14px}.side-panel .plain-card{padding:18px}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.metric-card{padding:22px;border-radius:24px;background:#fff;border:1px solid rgba(89,126,247,.14);box-shadow:var(--shadow)}.metric-card b{display:block;color:var(--primary);font-size:26px}.metric-card span{color:#5B647A}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card{padding:22px;border-radius:24px;background:#fff;border:1px solid rgba(89,126,247,.14);box-shadow:var(--shadow)}.review-card p{margin:0;color:#3F4A66}.site-footer{background:#1F1F1F;color:rgba(255,255,255,.76);padding:46px 0 0}.footer-inner{max-width:1220px;margin:0 auto;padding:0 22px 34px;display:grid;grid-template-columns:1.1fr .9fr;gap:30px}.footer-brand img{width:150px;max-height:48px;object-fit:contain;margin-bottom:16px}.footer-brand p{margin:0;max-width:620px}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.footer-links a{color:#fff;background:#2B2B2B;border-radius:14px;padding:12px 14px}.footer-bottom{text-align:center;background:#2B2B2B;padding:16px 22px;font-size:14px;color:rgba(255,255,255,.68)}
@media (max-width:1080px){.desktop-nav{display:none}.menu-toggle{display:block}.header-inner{justify-content:space-between;height:68px}.brand{position:absolute;left:50%;transform:translateX(-50%)}.brand img{width:132px}.header-btn{padding:9px 14px;min-height:38px;font-size:13px}.hero-grid,.page-hero-grid,.app-banner,.support-grid,.content-layout{grid-template-columns:1fr}.side-panel{position:static}.quick-grid,.overview-grid,.zone-grid{grid-template-columns:repeat(2,1fr)}.split-row,.split-row.reverse{grid-template-columns:1fr}.split-row.reverse .content-img-wrap{order:0}.hero-stats,.metric-grid,.review-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:720px){.container{padding:0 16px}.hero-section{padding:44px 0 38px}.hero-title{font-size:36px}.hero-desc{font-size:16px}.quick-grid{display:flex;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}.quick-card{min-width:238px;scroll-snap-align:start}.overview-grid,.feature-grid,.security-grid,.faq-grid,.metric-grid,.review-grid{grid-template-columns:1fr}.zone-grid{grid-template-columns:1fr}.zone-card.wide{grid-column:auto}.app-banner{padding:22px}.section{padding:48px 0}.section-head{display:block}.hero-stats{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr}.page-hero{padding:44px 0 32px}.article-card{padding:22px}.header-inner{padding:0 12px}.header-btn{font-size:12px;padding:8px 12px}.menu-toggle{width:38px;height:38px}.brand img{width:118px}.content-img{max-height:260px}.hero-visual img{max-height:300px}}