:root{
    --bg:#E6EBF2;
    --nav:#F5F7FB;
    --white:#FFFFFF;
    --soft:#EEF2F7;
    --soft2:#DDE4EE;
    --blue:#289CFF;
    --navtext:#4E5F7A;
    --text:#243447;
    --muted:#66788A;
    --light:#8A9AAF;
    --footer:#243447;
    --foottext:#EAF3FF;
    --shadow:0 14px 36px rgba(56,92,138,0.12);
    --card:rgba(255,255,255,0.92);
    --border:rgba(40,156,255,0.16);
    --btn:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#E6EBF2;color:#243447;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;overflow-x:hidden}
a{color:#289CFF;text-decoration:none;transition:.25s ease}
a:hover{color:#1E90F0}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:#F5F7FB;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,0.10)}
.header-inner{max-width:1280px;margin:0 auto;min-height:78px;padding:0 24px;display:flex;align-items:center;gap:24px}
.brand-logo{flex:0 0 auto;display:flex;align-items:center}
.brand-logo img{width:142px;max-height:48px;object-fit:contain}
.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;white-space:nowrap;overflow:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{position:relative;padding:24px 10px 22px;color:#4E5F7A;font-size:15px;font-weight:700}
.nav a.active{color:#289CFF}
.nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:15px;height:3px;border-radius:999px;background:#289CFF;box-shadow:0 0 14px rgba(40,156,255,.32)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF!important;border-radius:999px;box-shadow:0 10px 24px rgba(36,155,255,0.25);font-weight:800;border:0;cursor:pointer;letter-spacing:.04em}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px);color:#FFFFFF!important}
.header-btn{flex:0 0 auto}
.menu-toggle{display:none;width:44px;height:44px;border:0;background:transparent;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-toggle span{width:24px;height:2px;background:#4E5F7A;border-radius:8px}
main{min-height:60vh}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{max-width:1200px;margin:0 auto 42px;padding:0 24px}
.section.pad{padding-top:48px}
.hero{max-width:1200px;margin:30px auto 42px;padding:52px 40px;border-radius:26px;background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(238,242,247,.92));box-shadow:0 14px 36px rgba(56,92,138,0.12);border:1px solid rgba(40,156,255,0.16)}
.hero .eyebrow,.eyebrow{display:inline-flex;padding:6px 14px;border-radius:999px;background:rgba(40,156,255,.10);color:#289CFF;font-weight:800;font-size:14px;margin-bottom:14px}
h1,h2,h3,.section-title{color:#289CFF;line-height:1.28;margin:0 0 14px}
h1{font-size:42px;letter-spacing:-.02em}
h2,.section-title{font-size:30px}
h3{font-size:21px}
p{margin:0 0 14px}.lead{font-size:18px;color:#4E5F7A;max-width:820px}.muted{color:#66788A}.small{color:#8A9AAF;font-size:14px}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,0.12);overflow:hidden;position:relative;border:1px solid rgba(40,156,255,0.12);aspect-ratio:16/6.4}
.slider-track,.slide{position:absolute;inset:0}.slide{opacity:0;pointer-events:none;transition:opacity .45s ease}.slide.active{opacity:1;pointer-events:auto}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:999px;border:0;background:rgba(255,255,255,.84);color:#289CFF;font-size:28px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 18px rgba(56,92,138,.12)}
.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(78,95,122,.28);cursor:pointer}.slider-dot.active{background:#289CFF;box-shadow:0 0 12px rgba(40,156,255,.45)}
.grid{display:grid;gap:22px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{background:rgba(255,255,255,0.92);border:1px solid rgba(40,156,255,0.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:22px;padding:24px}.card:hover,.zone-card:hover,.info-card:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(56,92,138,0.14)}
.card,.zone-card,.info-card{transition:.25s ease}.tag{display:inline-flex;align-items:center;margin-bottom:12px;color:#289CFF;font-weight:800}.tag:before{content:"";width:8px;height:8px;border-radius:50%;background:#289CFF;margin-right:8px}.text-link{font-weight:800;color:#289CFF}.text-link:after{content:" →"}
.media-block{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}.media-block.reverse{grid-template-columns:.95fr 1.05fr}.media-card{background:#FFFFFF;border:1px solid rgba(40,156,255,.16);border-radius:24px;padding:14px;box-shadow:0 14px 36px rgba(56,92,138,0.10)}.media-card img,.content-img,.zone-card img,.app-section img{max-width:100%;height:auto;object-fit:contain;border-radius:18px;background:#F5F7FB}
.list-check{padding:0;margin:12px 0 0;list-style:none}.list-check li{position:relative;padding-left:30px;margin:10px 0;color:#4E5F7A}.list-check li:before{content:"✓";position:absolute;left:0;top:0;color:#289CFF;font-weight:900}
.number-list{counter-reset:item;display:grid;gap:16px}.number-item{position:relative;padding-left:62px}.number-item:before{counter-increment:item;content:counter(item,decimal-leading-zero);position:absolute;left:0;top:2px;width:44px;height:44px;border-radius:14px;background:rgba(40,156,255,.12);color:#289CFF;display:flex;align-items:center;justify-content:center;font-weight:900}
.notice{background:#DDE4EE;border:1px solid rgba(40,156,255,.18);border-radius:22px;padding:24px;color:#4E5F7A}.notice strong{color:#289CFF}.reviews{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.review-card p{color:#4E5F7A}.review-name{font-weight:900;color:#289CFF;margin-top:12px}.faq-list{display:grid;gap:16px}.faq-item h3{font-size:19px;margin-bottom:8px}.faq-item p{color:#4E5F7A}.pill-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.pill{background:#EEF2F7;color:#4E5F7A;border:1px solid rgba(40,156,255,.16);padding:7px 13px;border-radius:999px;font-weight:700}
.site-footer{margin-top:56px;background:#243447;color:#EAF3FF}.footer-inner{max-width:1200px;margin:0 auto;padding:48px 24px;display:grid;grid-template-columns:1.4fr .75fr .75fr 1fr;gap:28px}.footer-brand img{width:148px;margin-bottom:14px}.site-footer p,.site-footer a{color:#EAF3FF}.site-footer a{display:block;margin:8px 0}.site-footer h3{color:#EAF3FF;font-size:18px}.footer-bottom{text-align:center;border-top:1px solid rgba(234,243,255,.12);padding:16px;color:#EAF3FF;font-size:14px}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;z-index:10000;transition:.25s ease}.drawer-mask.show{opacity:1;pointer-events:auto}.mobile-drawer{position:fixed;left:0;top:0;width:84vw;max-width:320px;height:100vh;background:#FFFFFF;z-index:10001;transform:translateX(-102%);transition:transform .28s ease;box-shadow:12px 0 34px rgba(36,52,71,.18);display:flex;flex-direction:column}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 18px;border-bottom:1px solid rgba(40,156,255,.14);background:#F5F7FB}.drawer-logo img{width:128px}.drawer-close{width:38px;height:38px;border:0;background:#EEF2F7;color:#289CFF;font-size:28px;border-radius:12px;cursor:pointer}.drawer-nav{padding:14px;overflow:auto}.drawer-nav a{display:block;padding:13px 14px;border-radius:14px;color:#4E5F7A;font-weight:800}.drawer-nav a.active,.drawer-nav a:hover{background:rgba(40,156,255,.10);color:#289CFF}.drawer-open{overflow:hidden}
@media (max-width:1120px){.nav a{font-size:14px;padding-left:8px;padding-right:8px}.header-inner{gap:14px}.brand-logo img{width:128px}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){.header-inner{min-height:66px;display:grid;grid-template-columns:54px 1fr auto;padding:0 14px;gap:8px}.menu-toggle{display:flex}.brand-logo{justify-content:center}.brand-logo img{width:130px}.nav{display:none}.header-btn{min-height:38px;padding:0 16px}.banner-slider{margin:18px 14px 28px;border-radius:16px;aspect-ratio:16/8.5}.slider-arrow{width:38px;height:38px;font-size:24px}.hero{margin:20px 14px 30px;padding:34px 22px}.section,.container{padding-left:14px;padding-right:14px}.media-block,.media-block.reverse{grid-template-columns:1fr}.grid.two,.grid.three,.grid.four{grid-template-columns:1fr}h1{font-size:32px}h2,.section-title{font-size:25px}.footer-inner{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{padding:20px}}
@media (max-width:520px){.header-btn{padding:0 13px;font-size:14px}.brand-logo img{width:118px}.banner-slider{aspect-ratio:16/10}.slider-dots{bottom:10px}.slider-dot{width:8px;height:8px}.hero .eyebrow,.eyebrow{font-size:13px}h1{font-size:28px}.lead{font-size:16px}.pill-row{gap:8px}.number-item{padding-left:0;padding-top:56px}.number-item:before{top:0}}