:root{
    --page-bg:#E6EBF2;
    --soft-bg:#F5F7FB;
    --white:#FFFFFF;
    --pale:#EEF2F7;
    --line:#DDE4EE;
    --title:#289CFF;
    --nav:#4E5F7A;
    --text:#243447;
    --muted:#66788A;
    --light:#8A9AAF;
    --footer:#243447;
    --footer-text:#EAF3FF;
    --gradient:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
    --shadow:0 14px 36px rgba(56,92,138,.10);
    --shadow-strong:0 24px 60px rgba(56,92,138,.18);
    --radius:24px;
}
*{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:1.75;overflow-x:hidden;padding-top:76px}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:fixed;top:0;left:0;right:0;z-index:9999;background:rgba(245,247,251,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(40,156,255,.12)}
.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding:0 20px}
.logo{flex:0 0 auto;display:flex;align-items:center}.logo img{max-height:52px;width:auto;display:block}.nav-core{flex:1 1 auto;display:flex;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}.nav-link{color:#4E5F7A;font-weight:700;font-size:15px;padding:10px 2px;position:relative}.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:3px;height:3px;background:#289CFF;border-radius:99px;opacity:0;transform:scaleX(.35);transition:.2s}.nav-link:hover,.nav-link.active{color:#289CFF}.nav-link:hover:after,.nav-link.active:after{opacity:1;transform:scaleX(1)}
.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px}.all-menu-btn{border:1px solid rgba(40,156,255,.18);background:rgba(255,255,255,.74);color:#289CFF;border-radius:999px;padding:10px 16px;font-weight:800;cursor:pointer}.all-menu-btn:hover{box-shadow:0 10px 26px rgba(40,156,255,.15)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF;border-radius:999px;border:0;padding:11px 20px;font-weight:900;box-shadow:0 10px 24px rgba(36,155,255,.26);white-space:nowrap}.main-btn:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(36,155,255,.30)}.register-btn{min-width:74px}.mobile-menu-btn{display:none;width:42px;height:42px;border:0;background:#fff;border-radius:14px;align-items:center;justify-content:center;flex-direction:column;gap:5px;box-shadow:0 10px 24px rgba(56,92,138,.12)}.mobile-menu-btn span{width:20px;height:2px;background:#289CFF;border-radius:6px}
.menu-overlay,.drawer-overlay{position:fixed;inset:0;background:rgba(18,39,65,.18);z-index:9998}.mega-panel{position:fixed;top:76px;left:50%;transform:translateX(-50%) translateY(-12px);width:min(1120px,calc(100% - 32px));background:rgba(255,255,255,.96);border:1px solid rgba(40,156,255,.16);border-radius:24px;box-shadow:0 24px 60px rgba(56,92,138,.18);z-index:10000;padding:24px;opacity:0;visibility:hidden;pointer-events:none;transition:.24s}.mega-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.mega-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.mega-head strong{color:#289CFF;font-size:24px}.mega-head p{margin:3px 0 0;color:#66788A}.mega-close,.drawer-close{width:42px;height:42px;border-radius:50%;border:1px solid rgba(40,156,255,.16);background:#F5F7FB;position:relative;cursor:pointer}.mega-close:before,.mega-close:after,.drawer-close:before,.drawer-close:after{content:"";position:absolute;left:12px;right:12px;top:20px;height:2px;background:#289CFF;border-radius:6px}.mega-close:before,.drawer-close:before{transform:rotate(45deg)}.mega-close:after,.drawer-close:after{transform:rotate(-45deg)}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.mega-group{background:#F5F7FB;border:1px solid rgba(40,156,255,.12);border-radius:20px;padding:16px}.mega-group h2{margin:0 0 10px;color:#289CFF;font-size:17px}.mega-item{display:block;border-radius:16px;padding:12px 12px;margin:6px 0;color:#243447;background:rgba(255,255,255,.76);border:1px solid transparent}.mega-item span{display:block;color:#289CFF;font-weight:900}.mega-item small{display:block;color:#66788A;line-height:1.5;margin-top:2px}.mega-item:hover,.mega-item.active{border-color:rgba(40,156,255,.25);box-shadow:0 12px 22px rgba(56,92,138,.10)}
.mobile-drawer{position:fixed;top:0;bottom:0;left:0;width:min(86vw,320px);background:#FFFFFF;z-index:10001;transform:translateX(-105%);transition:.25s;box-shadow:20px 0 50px rgba(36,52,71,.18);display:flex;flex-direction:column}.mobile-drawer.open{transform:translateX(0)}.drawer-lock{overflow:hidden}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px 16px;border-bottom:1px solid #DDE4EE}.drawer-logo img{max-height:48px}.drawer-nav{padding:12px 14px;overflow:auto}.drawer-link{display:block;padding:11px 14px;border-radius:14px;color:#4E5F7A;font-weight:800}.drawer-link.active,.drawer-link:hover{background:#EEF2F7;color:#289CFF}.drawer-note{margin:8px 16px 20px;padding:14px;border-radius:16px;background:#F5F7FB;color:#66788A;font-size:13px;line-height:1.7}
.site-main{min-height:60vh}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{margin:44px auto}.section-inner{background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:24px;padding:34px}.section-title,h1,h2,h3{color:#289CFF}.eyebrow{display:inline-flex;color:#289CFF;background:rgba(40,156,255,.10);border:1px solid rgba(40,156,255,.16);border-radius:999px;padding:6px 13px;font-weight:900;font-size:13px}.hero-page{max-width:1200px;margin:28px auto 34px;padding:0 20px}.hero-card{background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(238,242,247,.94));border:1px solid rgba(40,156,255,.16);box-shadow:0 18px 40px rgba(56,92,138,.12);border-radius:28px;padding:38px;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}.hero-card h1{font-size:clamp(30px,4.6vw,52px);line-height:1.16;margin:12px 0}.hero-card p{color:#66788A;margin:0 0 18px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.outline-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(40,156,255,.22);color:#289CFF;background:#fff;border-radius:999px;padding:10px 18px;font-weight:900}.content-img{border-radius:22px;background:#FFFFFF;border:1px solid rgba(40,156,255,.12);box-shadow:0 12px 28px rgba(56,92,138,.10);object-fit:contain}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:22px;padding:24px}.card h3,.zone-card h3,.info-card h3,.step-card h3{margin:0 0 10px;color:#289CFF}.card p,.zone-card p,.info-card p,.step-card p,.faq-item p{margin:0;color:#66788A}.number{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(40,156,255,.10);color:#289CFF;font-weight:900;margin-bottom:12px}.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.tag{color:#289CFF;background:#EEF2F7;border:1px solid rgba(40,156,255,.15);border-radius:999px;padding:6px 12px;font-weight:800;font-size:13px}.muted{color:#66788A}.note-box{background:#EEF2F7;border:1px solid rgba(40,156,255,.16);border-radius:20px;padding:22px;color:#66788A}.quote{font-size:15px;color:#243447}.quote strong{display:block;margin-top:12px;color:#289CFF}.faq-list{display:grid;gap:14px}.faq-item h3{font-size:18px;margin:0 0 8px}.split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}.list-check{padding-left:0;list-style:none;margin:14px 0 0}.list-check li{margin:10px 0;padding-left:26px;position:relative;color:#66788A}.list-check li:before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:50%;background:#289CFF;box-shadow:0 0 0 5px rgba(40,156,255,.10)}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative;height:clamp(220px,42vw,510px)}.slider-track{height:100%;position:relative}.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease}.slide.active{opacity:1}.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-control{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.88);box-shadow:0 10px 24px rgba(56,92,138,.16);cursor:pointer}.slider-prev{left:16px}.slider-next{right:16px}.slider-control:before{content:"";position:absolute;width:12px;height:12px;border-left:3px solid #289CFF;border-bottom:3px solid #289CFF;top:14px}.slider-prev:before{left:17px;transform:rotate(45deg)}.slider-next:before{right:17px;transform:rotate(-135deg)}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:9px}.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(138,154,175,.52);cursor:pointer}.slider-dot.active{background:#289CFF;width:24px;border-radius:999px}.home-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}.product-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.matrix-card{background:#F5F7FB;border:1px solid rgba(40,156,255,.16);border-radius:20px;padding:22px}.matrix-card h3{margin:0 0 8px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.app-strip{background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(221,228,238,.9));border-radius:24px;padding:26px;border:1px solid rgba(40,156,255,.16)}
.site-footer{background:#243447;color:#EAF3FF;margin-top:62px}.footer-inner{max-width:1200px;margin:0 auto;padding:42px 20px;display:grid;grid-template-columns:1.15fr 1.85fr;gap:34px}.footer-brand a{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:900;color:#EAF3FF}.footer-brand img{max-height:50px;width:auto}.footer-brand p{color:rgba(234,243,255,.78);margin:16px 0 0}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-links h2{font-size:16px;margin:0 0 10px;color:#EAF3FF}.footer-links a{display:block;color:rgba(234,243,255,.78);margin:7px 0}.footer-links a:hover{color:#FFFFFF}.footer-bottom{border-top:1px solid rgba(234,243,255,.14);padding:16px 20px;text-align:center}.footer-bottom p{max-width:1000px;margin:0 auto;color:rgba(234,243,255,.72);font-size:13px}
@media (max-width:980px){.nav-core{gap:14px}.mega-grid{grid-template-columns:repeat(2,1fr)}.hero-card,.home-intro,.split,.footer-inner{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.product-matrix,.review-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){body{padding-top:68px}.header-inner{min-height:68px;padding:0 14px;gap:10px;display:grid;grid-template-columns:44px 1fr auto}.mobile-menu-btn{display:flex}.nav-core,.all-menu-btn{display:none}.logo{justify-content:center}.logo img{max-height:46px}.header-action{justify-content:flex-end}.register-btn{padding:9px 15px;min-width:64px}.mega-panel{display:none}.hero-page{margin-top:20px}.hero-card{padding:26px 20px;border-radius:22px}.section{margin:30px auto}.section-inner{padding:24px 18px;border-radius:20px}.grid-2,.grid-3,.grid-4,.product-matrix,.review-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.banner-slider{margin:18px 14px 28px;height:clamp(190px,58vw,330px);border-radius:18px}.slider-control{width:36px;height:36px}.slider-prev{left:10px}.slider-next{right:10px}.content-img{border-radius:18px}}