:root{
    --page:#E6EBF2;
    --soft:#F5F7FB;
    --white:#FFFFFF;
    --light:#EEF2F7;
    --light2:#DDE4EE;
    --title:#289CFF;
    --nav:#4E5F7A;
    --text:#243447;
    --muted:#66788A;
    --hint:#8A9AAF;
    --footer:#243447;
    --footerText:#EAF3FF;
    --line:rgba(40,156,255,0.16);
    --shadow:0 14px 36px rgba(56,92,138,0.10);
    --deepShadow:0 24px 60px rgba(56,92,138,0.18);
    --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:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font:inherit}
.site-header{position:fixed;top:0;left:0;right:0;z-index:9999;background:rgba(245,247,251,0.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(40,156,255,0.12)}
.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding:0 22px}
.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;padding:10px 2px;position:relative}
.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:2px;height:3px;background:#289CFF;border-radius:99px;transform:scaleX(0);transition:.2s}
.nav-link:hover,.nav-link.is-active{color:#289CFF}
.nav-link:hover:after,.nav-link.is-active:after{transform:scaleX(1)}
.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px;white-space:nowrap}
.all-menu-btn{border:1px solid rgba(40,156,255,0.18);background:rgba(255,255,255,0.74);color:#289CFF;border-radius:999px;padding:10px 16px;cursor:pointer;font-weight:800;box-shadow:0 8px 18px rgba(56,92,138,0.08)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF;border-radius:999px;border:0;padding:11px 22px;font-weight:900;box-shadow:0 12px 24px rgba(36,155,255,0.28);transition:transform .2s,box-shadow .2s}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(36,155,255,0.34)}
.nav-register{min-width:76px}
.mobile-menu-btn{display:none;width:42px;height:42px;border:0;background:rgba(255,255,255,0.78);border-radius:14px;padding:10px;box-shadow:0 8px 18px rgba(56,92,138,0.10)}
.mobile-menu-btn span{display:block;height:2px;background:#289CFF;border-radius:99px;margin:5px 0}
.overlay{position:fixed;inset:0;background:rgba(23,37,56,0.28);z-index:9998;opacity:0;transition:opacity .18s}
.overlay.is-open{opacity:1}
.mega-panel{position:fixed;top:76px;left:50%;transform:translateX(-50%) translateY(-12px);width:min(1120px,calc(100% - 32px));background:rgba(255,255,255,0.96);border:1px solid rgba(40,156,255,0.16);border-radius:24px;box-shadow:0 24px 60px rgba(56,92,138,0.18);z-index:10000;opacity:0;transition:opacity .2s,transform .2s;padding:24px}
.mega-panel.is-open{opacity:1;transform:translateX(-50%) translateY(0)}
.mega-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}
.mega-head strong{display:block;font-size:22px;color:#289CFF;line-height:1.2}
.mega-head p{margin:8px 0 0;color:#66788A}
.mega-close,.drawer-close{border:0;background:#EEF2F7;color:#289CFF;border-radius:14px;width:40px;height:40px;cursor:pointer;font-size:24px;line-height:1}
.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mega-group{background:#F5F7FB;border:1px solid rgba(40,156,255,0.12);border-radius:18px;padding:16px}
.mega-group h3{margin:0 0 10px;color:#289CFF;font-size:17px}
.mega-item{display:block;padding:11px 10px;border-radius:14px;color:#243447;transition:.18s}
.mega-item:hover{background:#FFFFFF;box-shadow:0 10px 24px rgba(56,92,138,0.10);transform:translateY(-1px)}
.mega-item span{display:block;font-weight:900;color:#4E5F7A}
.mega-item em{display:block;font-style:normal;color:#8A9AAF;font-size:13px;line-height:1.45;margin-top:2px}
.mobile-drawer{position:fixed;top:0;bottom:0;left:0;width:min(84vw,320px);background:#FFFFFF;z-index:10001;transform:translateX(-105%);transition:transform .22s;box-shadow:20px 0 40px rgba(23,37,56,0.18);padding:18px;overflow-y:auto}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-logo img{max-height:50px;width:auto}
.drawer-nav{display:grid;gap:8px}
.drawer-nav a{padding:12px 14px;background:#F5F7FB;border:1px solid rgba(40,156,255,0.12);border-radius:14px;color:#4E5F7A;font-weight:800}
.drawer-nav a:hover{color:#289CFF;background:#EEF2F7}
.drawer-note{margin:18px 0 0;color:#66788A;font-size:13px;background:#EEF2F7;border-radius:16px;padding:14px}
.site-main{padding-top:76px;min-height:60vh}
.container{max-width:1200px;margin:0 auto;padding:0 22px}
.section{margin:42px auto}
.section.pad{padding:38px;background:rgba(255,255,255,0.72);border:1px solid rgba(40,156,255,0.12);border-radius:28px;box-shadow:0 14px 36px rgba(56,92,138,0.08)}
h1,h2,h3,.section-title{color:#289CFF;line-height:1.25}
h1{font-size:clamp(34px,5vw,58px);margin:0 0 18px}
h2,.section-title{font-size:clamp(25px,3vw,36px);margin:0 0 16px}
h3{font-size:20px;margin:0 0 10px}
p{margin:0 0 14px;color:#243447}
.lead{font-size:18px;color:#4E5F7A;max-width:820px}
.muted{color:#66788A}
.hint{color:#8A9AAF;font-size:14px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#289CFF;background:rgba(40,156,255,0.10);border:1px solid rgba(40,156,255,0.16);border-radius:999px;padding:6px 13px;font-weight:900;margin-bottom:14px}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(255,255,255,0.96),rgba(238,242,247,0.88));border:1px solid rgba(40,156,255,0.16);border-radius:30px;box-shadow:0 18px 44px rgba(56,92,138,0.12);padding:48px;margin-top:28px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}
.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:22px}
.ghost-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(40,156,255,0.24);color:#289CFF;background:#FFFFFF;border-radius:999px;padding:10px 18px;font-weight:900}
.hero-media,.image-card{background:#FFFFFF;border:1px solid rgba(40,156,255,0.14);border-radius:24px;padding:12px;box-shadow:0 14px 36px rgba(56,92,138,0.10)}
.hero-media img,.content-img,.zone-card img,.app-section img{max-width:100%;height:auto;object-fit:contain;border-radius:18px;background:#FFFFFF}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,0.12);overflow:hidden;position:relative;border:1px solid rgba(40,156,255,0.10)}
.slider-track{position:relative;width:100%;aspect-ratio:1200/430;background:#FFFFFF}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .5s ease;display:flex;align-items:center;justify-content:center;background:#FFFFFF}
.slide.is-active{opacity:1;z-index:2}
.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%);z-index:5;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,0.86);color:#289CFF;box-shadow:0 10px 22px rgba(56,92,138,0.15);cursor:pointer;font-size:28px;display:flex;align-items:center;justify-content:center}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:5;display:flex;gap:8px;justify-content:center;align-items:center}
.slider-dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(40,156,255,0.28);cursor:pointer;padding:0}
.slider-dot.is-active{width:26px;background:#289CFF}
.card,.zone-card,.info-card,.review-card,.faq-item,.notice-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:24px;padding:24px}
.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}
.auto-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.card-number{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;background:rgba(40,156,255,0.12);color:#289CFF;font-weight:900;margin-bottom:12px}
.card h3,.zone-card h3,.info-card h3,.review-card h3{color:#289CFF}
.link-card{display:block;transition:.18s}
.link-card:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(56,92,138,0.14)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{display:inline-flex;background:#EEF2F7;color:#289CFF;border:1px solid rgba(40,156,255,0.16);border-radius:999px;padding:7px 12px;font-weight:800;font-size:14px}
.split{display:grid;grid-template-columns:1fr .92fr;gap:26px;align-items:center}
.split.reverse{grid-template-columns:.92fr 1fr}
.feature-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
.feature-list li{position:relative;background:#F5F7FB;border:1px solid rgba(40,156,255,0.10);border-radius:16px;padding:13px 14px 13px 42px;color:#243447}
.feature-list li:before{content:"";position:absolute;left:16px;top:22px;width:9px;height:9px;background:#289CFF;border-radius:50%;box-shadow:0 0 0 5px rgba(40,156,255,0.12)}
.product-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product-card{background:#FFFFFF;border:1px solid rgba(40,156,255,0.16);border-radius:24px;overflow:hidden;box-shadow:0 14px 36px rgba(56,92,138,0.10);transition:.18s}
.product-card:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(56,92,138,0.15)}
.product-card img{width:100%;height:auto;object-fit:contain;background:#FFFFFF}
.product-card .body{padding:20px}
.review-card p{color:#4E5F7A}
.review-name{display:block;margin-top:14px;color:#289CFF;font-weight:900}
.faq-list{display:grid;gap:14px}
.faq-item h3{margin-bottom:8px}
.notice-bar{background:#243447;color:#EAF3FF;border-radius:26px;padding:26px;box-shadow:0 18px 44px rgba(36,52,71,0.16)}
.notice-bar h2,.notice-bar h3{color:#EAF3FF}
.notice-bar p{color:#EAF3FF}
.notice-bar a{color:#FFFFFF;text-decoration:underline;text-underline-offset:4px}
.steps{counter-reset:step;display:grid;gap:16px;margin:0;padding:0;list-style:none}
.steps li{counter-increment:step;background:#FFFFFF;border:1px solid rgba(40,156,255,0.16);border-radius:20px;padding:18px 18px 18px 62px;position:relative;box-shadow:0 10px 26px rgba(56,92,138,0.08)}
.steps li:before{content:counter(step);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:12px;background:rgba(40,156,255,0.12);color:#289CFF;display:flex;align-items:center;justify-content:center;font-weight:900}
.contact-box{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.contact-box .card strong{color:#289CFF;font-size:18px}
.site-footer{background:#243447;color:#EAF3FF;margin-top:56px;padding:46px 0 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 22px 34px;display:grid;grid-template-columns:1.1fr 1.6fr;gap:34px}
.footer-logo img{max-height:54px;width:auto;margin-bottom:16px}
.footer-brand p{color:#EAF3FF;opacity:.88;max-width:460px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.footer-links h3{color:#EAF3FF;font-size:18px;margin-bottom:12px}
.footer-links a{display:block;color:#EAF3FF;opacity:.88;margin:8px 0}
.footer-links a:hover{opacity:1;color:#FFFFFF}
.footer-bottom{border-top:1px solid rgba(234,243,255,0.14);padding:18px 22px;text-align:center}
.footer-bottom p{color:#EAF3FF;opacity:.86;margin:0;font-size:14px}
@media (max-width: 980px){
    .header-inner{gap:14px;padding:0 14px;min-height:68px}
    .site-main{padding-top:68px}
    .nav-core,.all-menu-btn{display:none}
    .mobile-menu-btn{display:block;flex:0 0 auto}
    .logo{position:absolute;left:50%;transform:translateX(-50%)}
    .logo img{max-height:46px}
    .header-action{margin-left:auto}
    .nav-register{padding:9px 16px;min-width:68px}
    .mega-panel{display:none!important}
    .mega-mask{display:none!important}
    .hero,.section.pad{padding:26px;border-radius:24px}
    .hero-grid,.split,.split.reverse,.footer-inner{grid-template-columns:1fr}
    .grid-3,.grid-4,.product-matrix,.contact-box{grid-template-columns:1fr 1fr}
    .mega-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
    .container{padding:0 14px}
    .section{margin:28px auto}
    .banner-slider{margin:18px 14px 26px;border-radius:18px}
    .slider-track{aspect-ratio:16/9}
    .slider-arrow{width:36px;height:36px;font-size:22px}
    .slider-prev{left:10px}.slider-next{right:10px}
    .hero{padding:22px;margin-top:18px}
    .grid-2,.grid-3,.grid-4,.product-matrix,.contact-box,.footer-links{grid-template-columns:1fr}
    .card,.zone-card,.info-card,.review-card,.faq-item,.notice-card{padding:20px;border-radius:20px}
    .header-inner{min-height:64px}
    .site-main{padding-top:64px}
    .logo img{max-height:42px}
    .mobile-menu-btn{width:38px;height:38px;padding:9px}
    .main-btn{padding:9px 15px}
    h1{font-size:32px}
    h2,.section-title{font-size:25px}
    .footer-inner{padding:0 18px 28px}
}