:root{
    --bg:#E6EBF2;
    --nav-bg:#F5F7FB;
    --white:#FFFFFF;
    --soft:#EEF2F7;
    --soft-deep:#DDE4EE;
    --blue:#289CFF;
    --nav-text:#4E5F7A;
    --text:#243447;
    --muted:#66788A;
    --light:#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);
    --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:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:var(--blue);text-decoration:none;transition:.2s 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:1320px;margin:0 auto;min-height:76px;display:flex;align-items:center;gap:18px;padding:0 22px}
.brand-logo img{width:150px;max-height:50px;object-fit:contain}
.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap}
.nav a{position:relative;color:var(--nav-text);font-size:14px;font-weight:700;padding:24px 4px 20px}
.nav a::after{content:"";position:absolute;left:12%;right:12%;bottom:14px;height:3px;border-radius:999px;background:var(--blue);opacity:0;transform:scaleX(.35);transition:.2s ease}
.nav a:hover,.nav a.active{color:var(--blue)}
.nav a.active::after{opacity:1;transform:scaleX(1)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;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;cursor:pointer;white-space:nowrap}
.main-btn:hover{background:var(--btn-hover);transform:translateY(-1px);box-shadow:0 14px 28px rgba(36,155,255,0.30)}
.mobile-topbar{display:none}
.header-btn{font-size:15px}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.42);opacity:0;visibility:hidden;z-index:9998;transition:.25s ease}
.mobile-drawer{position:fixed;left:0;top:0;height:100vh;width:84vw;max-width:320px;background:#FFFFFF;z-index:10000;transform:translateX(-105%);transition:.28s ease;box-shadow:20px 0 40px rgba(36,52,71,.18);overflow-y:auto}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-open{overflow:hidden}
.drawer-head{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:var(--nav-bg);border-bottom:1px solid rgba(40,156,255,.12)}
.drawer-logo img{width:142px;max-height:48px;object-fit:contain}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid rgba(40,156,255,.18);background:#FFFFFF;color:var(--blue);font-size:28px;line-height:36px;cursor:pointer}
.drawer-nav{padding:14px 16px 28px;display:grid;gap:8px}
.drawer-nav a{display:block;padding:12px 14px;border-radius:14px;color:var(--nav-text);font-weight:700;background:#F5F7FB;border:1px solid rgba(40,156,255,.08)}
.drawer-nav a.active,.drawer-nav a:hover{color:var(--blue);background:#EEF7FF;border-color:rgba(40,156,255,.22)}
.container{max-width:1200px;margin:0 auto;padding:0 22px}
main{padding-bottom:50px}
.banner-slider{max-width:1200px;height:clamp(220px,42vw,500px);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,.banner-slide{position:absolute;inset:0}
.banner-slide{opacity:0;transition:opacity .55s ease;background:#FFFFFF;display:flex;align-items:center;justify-content:center}
.banner-slide.active{opacity:1;z-index: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-prev,.slider-next{position:absolute;top:50%;z-index:3;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.6);background:rgba(36,52,71,.34);cursor:pointer;box-shadow:0 8px 20px rgba(36,52,71,.18)}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-prev::before,.slider-next::before{display:block;color:#FFFFFF;font-size:34px;line-height:41px;font-weight:300;text-align:center}
.slider-prev::before{content:"‹"}.slider-next::before{content:"›"}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:4;display:flex;justify-content:center;gap:8px}
.slider-dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(36,52,71,.25);padding:0;cursor:pointer;transition:.2s ease}
.slider-dot.active{width:28px;background:var(--blue)}
.section{margin:34px 0}
.card,.zone-card,.info-card,.review-card,.faq-item,.hero-panel,.notice-box,.stat-card{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}
h1,h2,h3,.section-title{color:var(--blue);line-height:1.28;margin:0 0 12px}
h1{font-size:clamp(30px,4vw,50px)}
h2,.section-title{font-size:clamp(24px,2.8vw,34px)}
h3{font-size:20px}
p{margin:0 0 12px;color:var(--text)}
.lead{font-size:18px;color:var(--muted)}
.muted{color:var(--muted)}
.small{color:var(--light);font-size:14px}
.hero-panel{padding:34px;display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:center}
.hero-panel.no-image{display:block}
.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:18px}
.text-link{font-weight:800;color:var(--blue)}
.visual-card{border-radius:20px;overflow:hidden;background:#FFFFFF;border:1px solid rgba(40,156,255,.12);box-shadow:0 12px 28px rgba(56,92,138,.10)}
.visual-card img{width:100%;height:auto;object-fit:contain;background:#FFFFFF}
.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,.zone-card,.review-card,.faq-item,.stat-card{padding:24px}
.card-number,.tag{display:inline-flex;align-items:center;justify-content:center;color:var(--blue);font-weight:900;background:#EAF6FF;border:1px solid rgba(40,156,255,.18);border-radius:999px;padding:3px 12px;font-size:13px;margin-bottom:12px}
.zone-card img{width:100%;height:auto;object-fit:contain;background:#FFFFFF;border-radius:16px;margin-bottom:16px;border:1px solid rgba(40,156,255,.10)}
.icon-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.icon-list li{position:relative;padding-left:28px;color:var(--text)}
.icon-list li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(40,156,255,.10)}
.steps{counter-reset:step;display:grid;gap:16px}
.step{position:relative;padding:22px 22px 22px 70px;background:#FFFFFF;border:1px solid rgba(40,156,255,.14);border-radius:20px;box-shadow:0 10px 24px rgba(56,92,138,.08)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:20px;top:22px;color:var(--blue);font-weight:900;font-size:18px}
.review-card p{color:var(--muted)}
.review-name{font-weight:900;color:var(--text);margin-top:12px}
.notice-box{padding:26px;background:linear-gradient(180deg,#FFFFFF 0%,#EEF7FF 100%)}
.faq-item h3{font-size:18px;color:var(--blue)}
.page-hero{padding:36px 0 8px}
.breadcrumb{color:var(--light);font-weight:700;margin-bottom:10px}
.breadcrumb a{color:var(--blue)}
.kv-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.kv-list .stat-card strong{display:block;font-size:28px;color:var(--blue);line-height:1.1;margin-bottom:8px}
.app-band{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:center;padding:28px;border-radius:24px;background:linear-gradient(135deg,#FFFFFF 0%,#EEF2F7 100%);border:1px solid var(--border);box-shadow:var(--shadow)}
.site-footer{background:var(--footer);color:var(--footer-text);margin-top:50px}
.footer-inner{max-width:1200px;margin:0 auto;padding:42px 22px;display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:30px}
.footer-logo img{width:150px;max-height:52px;object-fit:contain;margin-bottom:16px}
.site-footer p,.site-footer a{color:var(--footer-text)}
.site-footer h3{color:#FFFFFF;font-size:18px;margin-bottom:14px}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px}
.footer-links h3{grid-column:1/-1}
.footer-bottom{text-align:center;color:#BFD4EA;border-top:1px solid rgba(234,243,255,.16);padding:16px 22px;font-size:14px}
@media (max-width:1180px){
    .header-inner{display:none}
    .mobile-topbar{height:70px;display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:12px;padding:0 14px}
    .menu-toggle{width:44px;height:44px;border:0;background:transparent;display:grid;place-items:center;gap:4px;padding:8px;cursor:pointer}
    .menu-toggle span{display:block;width:24px;height:2px;border-radius:99px;background:var(--nav-text)}
    .mobile-logo{justify-self:center}.mobile-logo img{width:145px;max-height:48px;object-fit:contain}
    .mobile-topbar .main-btn{min-height:38px;padding:0 18px;font-size:14px}
}
@media (max-width:900px){
    .container{padding:0 16px}
    .banner-slider{margin:18px 16px 28px;border-radius:16px;height:clamp(180px,48vw,330px)}
    .hero-panel,.app-band{grid-template-columns:1fr;padding:24px}
    .grid-4,.grid-3,.grid-2,.kv-list,.footer-inner{grid-template-columns:1fr}
    .section-head{display:block}
    .footer-links{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
    h1{font-size:30px}h2,.section-title{font-size:24px}
    .card,.info-card,.zone-card,.review-card,.faq-item,.stat-card{padding:20px}
    .slider-prev,.slider-next{width:38px;height:38px}.slider-prev{left:10px}.slider-next{right:10px}
    .slider-prev::before,.slider-next::before{font-size:30px;line-height:35px}
    .footer-links{grid-template-columns:1fr}
    .step{padding-left:58px}.step::before{left:16px}
}