:root{
    --page-bg:#E6EBF2;
    --nav-bg:#F5F7FB;
    --white:#FFFFFF;
    --soft:#EEF2F7;
    --soft-2:#DDE4EE;
    --blue:#289CFF;
    --nav-text:#4E5F7A;
    --text:#243447;
    --muted:#66788A;
    --hint:#8A9AAF;
    --footer:#243447;
    --footer-text:#EAF3FF;
    --card:rgba(255,255,255,0.92);
    --border:rgba(40,156,255,0.16);
    --shadow:0 14px 36px rgba(56,92,138,0.12);
    --shadow-soft:0 10px 26px rgba(56,92,138,0.10);
    --btn:linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    --btn-hover:linear-gradient(180deg, #48D9F7 0%, #1E90F0 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","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    line-height:1.75;
    overflow-x:hidden;
}
a{color:#289CFF;text-decoration:none;transition:all .2s 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 22px;
    display:flex;
    align-items:center;
    gap:18px;
}
.brand-logo{display:flex;align-items:center;flex:0 0 auto}
.brand-logo img{width:142px;max-height:48px;object-fit:contain}
.desktop-nav{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:2px;
    flex:1;
    min-width:0;
}
.desktop-nav a{
    color:#4E5F7A;
    font-weight:700;
    font-size:14px;
    padding:25px 8px 21px;
    position:relative;
    white-space:nowrap;
}
.desktop-nav a::after{
    content:"";
    position:absolute;
    left:10px;
    right:10px;
    bottom:14px;
    height:3px;
    border-radius:999px;
    background:#289CFF;
    transform:scaleX(0);
    transform-origin:center;
    transition:transform .2s ease;
}
.desktop-nav a.active,.desktop-nav a:hover{color:#289CFF}
.desktop-nav a.active::after,.desktop-nav a:hover::after{transform:scaleX(1)}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:42px;
    padding:0 22px;
    border-radius:999px;
    background:linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
    color:#FFFFFF!important;
    font-weight:800;
    letter-spacing:.02em;
    box-shadow:0 10px 24px rgba(36,155,255,0.25);
    border:0;
    white-space:nowrap;
}
.main-btn:hover{background:linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);transform:translateY(-1px)}
.header-btn{min-height:40px;padding:0 20px;flex:0 0 auto}
.mobile-topbar{display:none}
.menu-toggle,.drawer-close,.slider-arrow{
    border:0;
    cursor:pointer;
    font-family:inherit;
}
.menu-toggle{
    width:42px;height:42px;border-radius:12px;background:#FFFFFF;box-shadow:0 8px 20px rgba(56,92,138,0.10);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{width:20px;height:2px;background:#4E5F7A;border-radius:999px}
.drawer-mask{position:fixed;inset:0;background:rgba(16,28,44,.42);z-index:10000;opacity:0;transition:opacity .22s ease}
.drawer-mask.show{opacity:1}
.mobile-drawer{
    position:fixed;left:0;top:0;bottom:0;width:84vw;max-width:320px;background:#FFFFFF;z-index:10001;transform:translateX(-105%);transition:transform .25s ease;box-shadow:18px 0 42px rgba(16,40,72,.18);padding:18px 18px 24px;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;padding-bottom:14px;border-bottom:1px solid rgba(40,156,255,0.14)}
.drawer-logo img{width:132px;max-height:46px;object-fit:contain}
.drawer-close{font-size:30px;line-height:1;width:42px;height:42px;border-radius:50%;background:#EEF2F7;color:#4E5F7A}
.drawer-nav{display:grid;gap:8px}
.drawer-nav a{padding:12px 14px;border-radius:14px;color:#4E5F7A;font-weight:800;background:#F5F7FB;border:1px solid rgba(40,156,255,.08)}
.drawer-nav a.active,.drawer-nav a:hover{color:#289CFF;background:#EEF7FF;border-color:rgba(40,156,255,.22)}
.site-main{padding:26px 18px 62px}
.container{max-width:1200px;margin:0 auto}
.section{margin:36px auto}
.section-tight{margin:24px auto}
h1,h2,h3,.section-title{color:#289CFF;line-height:1.25;margin:0 0 16px}
h1{font-size:clamp(32px,5vw,56px);letter-spacing:-.02em}
h2,.section-title{font-size:clamp(24px,3vw,36px)}
h3{font-size:21px}
p{margin:0 0 14px;color:#243447}
.lead{font-size:18px;color:#4E5F7A;max-width:880px}
.muted{color:#66788A}.hint{color:#8A9AAF}.highlight{color:#289CFF;font-weight:800}
.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;
    height:clamp(220px,42vw,500px);
}
.slider-track,.slide{position:absolute;inset:0}.slide{opacity:0;transition:opacity .45s ease;pointer-events:none}.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%);z-index:3;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.88);color:#289CFF;font-size:28px;line-height:1;box-shadow:0 8px 22px rgba(56,92,138,.18);display:flex;align-items:center;justify-content:center;
}
.slider-arrow:hover{background:#FFFFFF;transform:translateY(-50%) scale(1.04)}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:9px;z-index:3}
.slider-dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(78,95,122,.35);cursor:pointer;padding:0;transition:all .2s ease}
.slider-dot.active{width:26px;background:#289CFF}
.card,.zone-card,.info-card,.review-card,.faq-card,.hero-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:clamp(24px,4vw,46px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:34px;align-items:center}
.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:22px}.text-link{font-weight:800;color:#289CFF}.text-link::after{content:"  ›"}.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 12px;background:#EEF2F7;color:#289CFF;font-weight:800;font-size:14px;border:1px solid rgba(40,156,255,.15)}
.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}.image-frame{border-radius:20px;overflow:hidden;background:#FFFFFF;box-shadow:0 14px 34px rgba(56,92,138,.12);border:1px solid rgba(40,156,255,.14)}
.image-frame img{width:100%;height:auto;object-fit:contain;background:#FFFFFF}
.grid{display:grid;gap:20px}.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,.zone-card,.info-card,.review-card,.faq-card{padding:24px}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-card h3{margin-top:0}.card p,.zone-card p,.info-card p,.review-card p,.faq-card p{color:#66788A}.card-number{display:inline-flex;width:34px;height:34px;border-radius:12px;background:#EEF7FF;color:#289CFF;align-items:center;justify-content:center;font-weight:900;margin-bottom:12px;border:1px solid rgba(40,156,255,.18)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.85fr);gap:26px;align-items:center}.split.reverse{grid-template-columns:minmax(280px,.85fr) minmax(0,1fr)}
.soft-panel{background:#EEF2F7;border-radius:22px;padding:26px;border:1px solid rgba(40,156,255,.13)}
.notice-panel{background:#DDE4EE;border-radius:22px;padding:24px;border:1px solid rgba(40,156,255,.14)}
.timeline{display:grid;gap:14px}.timeline-item{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;align-items:start}.timeline-num{width:42px;height:42px;border-radius:50%;background:#EEF7FF;color:#289CFF;font-weight:900;display:flex;align-items:center;justify-content:center;border:1px solid rgba(40,156,255,.18)}
.review-card{position:relative}.review-card::before{content:"“";position:absolute;top:10px;right:22px;color:rgba(40,156,255,.18);font-size:64px;line-height:1;font-weight:900}.review-name{font-weight:900;color:#289CFF;margin-top:12px}
.faq-list{display:grid;gap:14px}.faq-card h3{font-size:19px}.faq-card details{border:0}.faq-card summary{cursor:pointer;color:#289CFF;font-weight:900}.faq-card summary::marker{color:#289CFF}
.page-hero{margin:28px auto 34px}.page-hero .lead{margin-bottom:0}.intro-list{display:grid;gap:12px;margin-top:20px}.intro-list li{list-style:none;background:#F5F7FB;border:1px solid rgba(40,156,255,.12);border-radius:16px;padding:13px 16px;color:#4E5F7A}.intro-list li strong{color:#289CFF}
.feature-table{display:grid;gap:12px}.feature-row{display:grid;grid-template-columns:190px minmax(0,1fr);gap:12px;padding:15px;border-radius:16px;background:#F5F7FB;border:1px solid rgba(40,156,255,.10)}.feature-row strong{color:#289CFF}
.site-footer{background:#243447;color:#EAF3FF;padding:48px 18px 24px}.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.25fr .75fr .75fr 1fr;gap:28px}.footer-brand img{width:142px;max-height:48px;object-fit:contain;margin-bottom:14px}.site-footer p,.site-footer a,.site-footer span{color:#EAF3FF}.site-footer h3{color:#EAF3FF;font-size:18px;margin:0 0 12px}.footer-links{display:grid;align-content:start;gap:8px}.footer-links a{color:#DCEBFF}.footer-links a:hover{color:#FFFFFF}.footer-notice p{color:#DCEBFF}.footer-btn{margin-top:8px}.footer-bottom{max-width:1200px;margin:30px auto 0;padding-top:18px;border-top:1px solid rgba(234,243,255,.16);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:#DCEBFF}
@media (max-width:1180px){.desktop-nav a{font-size:13px;padding-left:6px;padding-right:6px}.brand-logo img{width:128px}.header-inner{gap:10px}}
@media (max-width:1060px){.header-inner{display:none}.mobile-topbar{height:68px;display:grid;grid-template-columns:54px minmax(0,1fr) auto;align-items:center;gap:10px;padding:0 14px}.mobile-logo{justify-self:center}.mobile-logo img{width:132px;max-height:46px;object-fit:contain}.header-btn{padding:0 17px;min-height:38px}.site-main{padding-top:20px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr 1fr}.hero-grid,.split,.split.reverse{grid-template-columns:1fr}.split.reverse .image-frame{order:2}}
@media (max-width:720px){.site-main{padding-left:14px;padding-right:14px}.banner-slider{margin:18px auto 28px;border-radius:16px;height:clamp(180px,55vw,300px)}.slider-arrow{width:36px;height:36px;font-size:24px}.slider-prev{left:10px}.slider-next{right:10px}.hero-card,.card,.zone-card,.info-card,.review-card,.faq-card,.soft-panel,.notice-panel{border-radius:18px;padding:20px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.feature-row{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-bottom{display:grid}.lead{font-size:16px}h1{font-size:32px}.mobile-logo img{width:118px}.header-btn{padding:0 14px}.mobile-topbar{grid-template-columns:48px minmax(0,1fr) 70px}.menu-toggle{width:40px;height:40px}.hero-actions{align-items:flex-start}.main-btn{min-height:40px;padding:0 18px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}