*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#E6EBF2;color:#243447;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.8}
a{color:#289CFF;text-decoration:none}
a:hover{color:#1E90F0}
img{max-width:100%;height:auto;display:block}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.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)}
.desktop-header{display:flex;align-items:center;gap:18px;min-height:78px}
.brand-logo img{width:148px;height:auto}
.nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;flex-wrap:wrap}
.nav a{position:relative;color:#4E5F7A;font-size:14px;font-weight:700;padding:9px 8px;border-radius:10px;white-space:nowrap}
.nav a.active,.nav a:hover{color:#289CFF;background:rgba(40,156,255,.08)}
.nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:#289CFF;border-radius:999px}
.main-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF!important;border-radius:999px;padding:10px 24px;font-weight:800;box-shadow:0 10px 24px rgba(36,155,255,0.25);border:0;transition:.2s ease;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px);color:#FFFFFF!important}
.header-btn{padding:9px 22px}
.mobile-header{display:none;height:66px;align-items:center;justify-content:space-between;padding:0 14px}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
.mobile-logo img{width:128px}
.menu-toggle{width:42px;height:42px;border:0;background:transparent;display:inline-flex;flex-direction:column;justify-content:center;gap:6px;padding:6px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:#4E5F7A;border-radius:999px}
.mobile-reg{padding:8px 16px;font-size:14px}
.drawer-mask{position:fixed;inset:0;background:rgba(20,31,45,.46);opacity:0;visibility:hidden;transition:.22s ease;z-index:10000}
.mobile-drawer{position:fixed;top:0;left:0;width:82vw;max-width:320px;height:100vh;background:#FFFFFF;box-shadow:22px 0 46px rgba(32,54,80,.18);transform:translateX(-104%);transition:.26s ease;z-index:10001;overflow-y:auto}
.drawer-open{overflow:hidden}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.14);background:#F5F7FB}
.drawer-logo img{width:132px}
.drawer-close{width:36px;height:36px;border:0;border-radius:50%;background:#EEF2F7;color:#4E5F7A;font-size:24px;line-height:1;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;padding:12px}
.drawer-nav a{color:#4E5F7A;font-weight:800;padding:12px 14px;border-radius:12px;border-bottom:1px solid rgba(40,156,255,.08)}
.drawer-nav a.active,.drawer-nav a:hover{color:#289CFF;background:#EEF2F7}
.site-main{min-height:60vh}
.banner-slider{max-width:1200px;height:clamp(230px,42vw,520px);margin:28px auto 36px;border-radius:20px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,0.12);overflow:hidden;position:relative}
.banner-track{height:100%;position:relative}
.banner-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .36s ease}
.banner-slide.active{opacity:1;visibility:visible}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(245,247,251,.88);color:#289CFF;font-size:26px;font-weight:700;cursor:pointer;box-shadow:0 10px 22px rgba(56,92,138,.16)}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;align-items:center;justify-content:center;gap:8px}
.slider-dot{width:10px;height:10px;border:0;border-radius:50%;background:rgba(78,95,122,.35);cursor:pointer;padding:0}
.slider-dot.active{background:#289CFF;box-shadow:0 0 0 5px rgba(40,156,255,.12)}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.section{padding:34px 0}
.section-tight{padding:18px 0}
.section-head{max-width:780px;margin:0 auto 26px;text-align:center}
.eyebrow{display:inline-flex;color:#289CFF;background:rgba(40,156,255,.10);border:1px solid rgba(40,156,255,.16);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:800;margin-bottom:8px}
h1,h2,h3,.section-title{color:#289CFF;line-height:1.28;margin:0 0 12px}
h1{font-size:clamp(30px,5vw,54px)}
h2{font-size:clamp(24px,3.2vw,36px)}
h3{font-size:20px}
p{margin:0 0 14px;color:#243447}
.muted{color:#66788A}
.fine{color:#8A9AAF;font-size:14px}
.hero-card,.card,.zone-card,.info-card,.review-card,.faq-item,.notice-card,.contact-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}
.hero-card{padding:34px;display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}
.hero-card p{font-size:16px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px}
.text-link{font-weight:800;color:#289CFF}
.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}
.media-frame{border-radius:20px;background:#FFFFFF;border:1px solid rgba(40,156,255,.12);padding:12px;overflow:hidden}
.media-frame img{width:100%;max-height:330px;object-fit:contain;background:#FFFFFF;border-radius:16px}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.info-card,.review-card,.faq-item,.notice-card,.contact-card{padding:22px}
.card .num,.tag{color:#289CFF;font-weight:900}
.tag{display:inline-flex;border-radius:999px;background:rgba(40,156,255,.10);padding:3px 10px;margin-bottom:10px;font-size:13px}
.zone-card{overflow:hidden}
.zone-card .zone-body{padding:20px}
.zone-card img{width:100%;height:210px;object-fit:contain;background:#FFFFFF;padding:10px;border-bottom:1px solid rgba(40,156,255,.10)}
.feature-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
.feature-list li{position:relative;background:#EEF2F7;border:1px solid rgba(40,156,255,.13);border-radius:16px;padding:13px 14px 13px 38px;color:#243447}
.feature-list li:before{content:"";position:absolute;left:16px;top:22px;width:8px;height:8px;border-radius:50%;background:#289CFF;box-shadow:0 0 0 5px rgba(40,156,255,.12)}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:center}
.app-section{background:#DDE4EE;border-radius:28px;padding:28px;box-shadow:0 14px 36px rgba(56,92,138,0.08)}
.app-section img{width:100%;max-height:360px;object-fit:contain;background:#FFFFFF;border-radius:18px;padding:10px}
.steps{counter-reset:step;display:grid;gap:14px}
.step{position:relative;padding:20px 20px 20px 68px;background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);border-radius:20px;box-shadow:0 12px 30px rgba(56,92,138,.08)}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:22px;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(40,156,255,.12);color:#289CFF;font-weight:900}
.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.review-card p{color:#4E5F7A}
.review-name{color:#289CFF;font-weight:900;margin-top:12px}
.faq-list{display:grid;gap:14px}
.faq-item h3{font-size:18px;margin-bottom:8px}
.inner-hero{padding:46px 0 24px}
.inner-hero .hero-card{grid-template-columns:1fr .85fr}
.breadcrumb{color:#66788A;font-size:14px;margin-bottom:10px}
.page-section{padding:26px 0}
.alert-box{background:#243447;color:#EAF3FF;border-radius:22px;padding:24px;box-shadow:0 14px 36px rgba(36,52,71,.18)}
.alert-box h2,.alert-box h3{color:#EAF3FF}
.alert-box p,.alert-box li{color:#EAF3FF}
.contact-line{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid rgba(40,156,255,.12);padding:10px 0;color:#243447}
.contact-line strong{color:#289CFF}
.table-like{display:grid;gap:10px}
.table-like div{display:grid;grid-template-columns:160px 1fr;gap:16px;background:#EEF2F7;border-radius:14px;padding:13px 15px}
.table-like strong{color:#289CFF}
.site-footer{background:#243447;color:#EAF3FF;margin-top:36px;padding:44px 0 0}
.site-footer p,.site-footer a{color:#EAF3FF}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:26px}
.footer-logo img{width:142px;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links h3,.footer-notice h3{color:#EAF3FF;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(234,243,255,.16);text-align:center;margin-top:34px;padding:16px}
.footer-bottom p{margin:0;color:#EAF3FF}
@media (max-width:1100px){
    .desktop-header{display:none}
    .mobile-header{display:flex}
    .site-main{padding-top:0}
    .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .reviews{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
    .container{width:min(100% - 24px,1200px)}
    .banner-slider{margin:18px auto 22px;height:clamp(190px,58vw,300px);border-radius:16px}
    .slider-prev,.slider-next{width:36px;height:36px;font-size:22px}
    .hero-card,.inner-hero .hero-card,.split{grid-template-columns:1fr}
    .hero-card{padding:22px}
    .section{padding:24px 0}
    .grid-2,.grid-3,.grid-4,.reviews{grid-template-columns:1fr}
    .app-section{padding:20px;border-radius:22px}
    .zone-card img{height:190px}
    .table-like div{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
}