:root{
    --bg:#E6EBF2;
    --nav-bg:#F5F7FB;
    --white:#FFFFFF;
    --soft:#EEF2F7;
    --soft-2:#DDE4EE;
    --blue:#289CFF;
    --text:#243447;
    --muted:#66788A;
    --hint:#8A9AAF;
    --footer:#243447;
    --footer-text:#EAF3FF;
    --border:rgba(40,156,255,0.16);
    --shadow:0 14px 36px rgba(56,92,138,0.12);
    --btn:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.78;overflow-x:hidden}
a{color:var(--blue);text-decoration:none;transition:.22s ease}
a:hover{color:#1E90F0}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:var(--nav-bg);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:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px}
.brand-logo img{width:132px;height:auto}
.nav{display:flex;align-items:center;justify-content:center;gap:4px;flex-wrap:wrap}
.nav a{position:relative;color:#4E5F7A;font-weight:700;font-size:14px;padding:25px 9px 22px;white-space:nowrap}
.nav a:after{content:"";position:absolute;left:10px;right:10px;bottom:14px;height:3px;border-radius:99px;background:var(--blue);opacity:0;transform:scaleX(.35);transition:.2s ease}
.nav a.active,.nav a:hover{color:var(--blue)}
.nav a.active:after,.nav a:hover:after{opacity:1;transform:scaleX(1)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 24px;border-radius:999px;background:var(--btn);color:#FFFFFF!important;font-weight:800;letter-spacing:.04em;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);color:#FFFFFF!important}
.header-btn{min-width:82px}
.mobile-menu-btn{display:none;width:44px;height:44px;border:0;background:transparent;padding:10px;cursor:pointer}
.mobile-menu-btn span{display:block;height:3px;background:#4E5F7A;border-radius:99px;margin:6px 0}
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,50,.45);z-index:10000;opacity:0;visibility:hidden;transition:.25s ease}
.mobile-drawer{position:fixed;z-index:10001;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#FFFFFF;box-shadow:22px 0 46px rgba(20,42,70,.20);transform:translateX(-105%);transition:.28s ease;overflow-y:auto}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px;border-bottom:1px solid var(--border);background:#F5F7FB}
.drawer-logo img{width:128px}
.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#EEF2F7;color:#4E5F7A;font-size:28px;line-height:1;cursor:pointer}
.drawer-nav{display:grid;padding:12px}
.drawer-nav a{color:#4E5F7A;font-weight:800;padding:13px 14px;border-radius:14px;border-bottom:1px solid rgba(40,156,255,.08)}
.drawer-nav a.active,.drawer-nav a:hover{background:#EEF7FF;color:var(--blue)}
.site-main{min-height:70vh}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:44px 0}
.section.compact{padding:26px 0}
.section-title{margin:0 0 14px;color:var(--blue);font-size:clamp(26px,3vw,40px);line-height:1.25}
.section-lead{margin:0 0 24px;color:var(--muted);font-size:17px;max-width:900px}
h1,h2,h3{color:var(--blue);line-height:1.28}
h1{font-size:clamp(30px,4vw,48px);margin:0 0 18px}
h2{font-size:clamp(24px,3vw,34px);margin:0 0 15px}
h3{font-size:20px;margin:0 0 10px}
p{margin:0 0 14px}.muted{color:var(--muted)}.hint{color:var(--hint);font-size:14px}.strong{color:var(--blue);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;aspect-ratio:16/6.2;min-height:220px}
.slides,.slide{position:absolute;inset:0}.slide{opacity:0;pointer-events:none;transition:opacity .5s ease;background:#FFFFFF}.slide.active{opacity:1;pointer-events:auto}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:#289CFF;font-size:32px;line-height:1;box-shadow:0 10px 20px rgba(56,92,138,.18);cursor:pointer;z-index:3}.slider-arrow:hover{background:#FFFFFF}.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;align-items:center;justify-content:center;gap:9px;z-index:3}.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(40,156,255,.35);cursor:pointer;padding:0}.slider-dot.active{width:28px;border-radius:999px;background:var(--blue)}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.card,.zone-card,.info-card,.review-card,.feature-card,.faq-item,.notice-box{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}
.card,.zone-card,.info-card,.review-card,.feature-card,.faq-item{padding:24px}.notice-box{padding:22px;background:#EEF2F7}
.grid{display:grid;gap:22px}.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))}
.hero-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;background:rgba(255,255,255,.92);border:1px solid var(--border);border-radius:28px;padding:34px;box-shadow:var(--shadow)}
.hero-panel.no-media{grid-template-columns:1fr}.media-wrap{border-radius:24px;background:#FFFFFF;border:1px solid var(--border);box-shadow:0 14px 30px rgba(56,92,138,.10);overflow:hidden;padding:10px}.media-wrap img{width:100%;height:auto;object-fit:contain;background:#FFFFFF;border-radius:18px}.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}.card-link{font-weight:800;color:var(--blue)}
.icon-num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:#EAF6FF;color:var(--blue);font-weight:900;margin-bottom:12px}.tag{display:inline-flex;padding:5px 12px;border-radius:999px;background:#EAF6FF;color:var(--blue);font-size:13px;font-weight:800;margin-bottom:12px}.feature-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.feature-list li{display:flex;gap:10px;color:var(--text)}.feature-list li:before{content:"";width:8px;height:8px;margin-top:12px;border-radius:50%;background:var(--blue);flex:0 0 auto}.steps{counter-reset:step;display:grid;gap:18px}.step{position:relative;padding-left:54px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;background:#EAF6FF;color:var(--blue);font-weight:900;display:flex;align-items:center;justify-content:center}.review-card p{color:#4E5F7A}.review-name{color:var(--blue);font-weight:900;margin-top:12px}.faq-list{display:grid;gap:16px}.faq-item h3{font-size:18px}.page-hero{padding:52px 0 26px}.page-hero .hero-panel{min-height:330px}.mini-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}.mini-links a{padding:7px 13px;border-radius:999px;background:#EAF6FF;color:var(--blue);font-weight:800}.footer-spacer{height:1px}.site-footer{background:#243447;color:#EAF3FF;margin-top:54px}.footer-inner{max-width:1200px;margin:0 auto;padding:44px 24px;display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:30px}.footer-brand img{width:138px;margin-bottom:16px}.footer-brand p,.footer-notice p{color:#EAF3FF;opacity:.88}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.footer-links a{color:#EAF3FF;opacity:.9}.footer-links a:hover{opacity:1;color:#FFFFFF}.footer-notice strong{display:block;margin-bottom:10px;color:#FFFFFF}.footer-bottom{text-align:center;border-top:1px solid rgba(234,243,255,.13);padding:16px 24px;color:rgba(234,243,255,.72)}
@media (max-width:1120px){.nav a{font-size:13px;padding-left:6px;padding-right:6px}.header-inner{gap:14px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:980px){.header-inner{grid-template-columns:78px 1fr auto;min-height:68px;padding:0 14px}.mobile-menu-btn{display:block}.brand-logo{justify-self:center}.brand-logo img{width:124px}.nav{display:none}.header-btn{min-width:74px;padding:0 18px;min-height:38px}.banner-slider{margin:18px 14px 28px;aspect-ratio:16/8;min-height:180px;border-radius:16px}.hero-panel{grid-template-columns:1fr;padding:24px}.grid-3{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr}.page-hero{padding-top:32px}.section{padding:34px 0}}
@media (max-width:680px){.container{padding:0 16px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card,.feature-card,.faq-item{padding:20px}.hero-panel{padding:20px;border-radius:22px}.slider-arrow{width:36px;height:36px;font-size:26px}.slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}.slider-dots{bottom:10px}.banner-slider{aspect-ratio:16/10;min-height:170px}.footer-links{grid-template-columns:1fr}.section-title{font-size:26px}.page-hero .hero-panel{min-height:auto}.main-btn{padding:0 20px}}