:root{
  --bg:#E6EBF2;
  --nav-bg:#F5F7FB;
  --white:#FFFFFF;
  --soft:#EEF2F7;
  --soft-2:#DDE4EE;
  --blue:#289CFF;
  --nav-text:#4E5F7A;
  --text:#243447;
  --sub:#66788A;
  --muted:#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:1.75;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:#F5F7FB;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:74px;padding:0 22px;display:flex;align-items:center;gap:18px}
.brand-logo{width:146px;flex:0 0 auto;display:flex;align-items:center}
.brand-logo img,.mobile-logo img,.drawer-logo img,.footer-brand img{width:100%;height:auto;object-fit:contain}
.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:11px;white-space:nowrap}
.nav a{position:relative;color:#4E5F7A;font-size:14px;font-weight:700;padding:24px 0 20px}
.nav a:after{content:"";position:absolute;left:50%;right:50%;bottom:13px;height:3px;border-radius:999px;background:var(--blue);transition:.2s ease}
.nav a.active,.nav a:hover{color:var(--blue)}
.nav a.active:after,.nav a:hover:after{left:8%;right:8%}
.main-btn{display:inline-flex;align-items:center;justify-content:center;border:none;background:linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);color:#FFFFFF!important;border-radius:999px;box-shadow:0 10px 24px rgba(36,155,255,0.25);font-weight:800;letter-spacing:.03em;padding:11px 24px;min-width:86px;line-height:1.2;cursor:pointer;transition:.2s ease}
.main-btn:hover{background:linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);transform:translateY(-1px);box-shadow:0 12px 26px rgba(36,155,255,0.32)}
.header-btn{font-size:14px;padding:10px 22px;flex:0 0 auto}
.mobile-topbar{display:none;min-height:64px;padding:0 16px;align-items:center;justify-content:space-between;background:#F5F7FB}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%);width:132px;display:flex;align-items:center;justify-content:center}
.menu-toggle{width:42px;height:42px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0;cursor:pointer}
.menu-toggle span{display:block;width:24px;height:2px;background:#4E5F7A;border-radius:999px}
.drawer-mask{position:fixed;inset:0;background:rgba(20,31,45,.45);z-index:10000;opacity:0;visibility:hidden;transition:.25s ease}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:82vw;max-width:320px;background:#FFFFFF;z-index:10001;transform:translateX(-105%);transition:transform .28s ease;box-shadow:18px 0 40px rgba(36,52,71,.22);overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(40,156,255,.14);background:#F5F7FB}
.drawer-logo{width:136px}
.drawer-close{border:0;background:#EEF2F7;width:36px;height:36px;border-radius:50%;font-size:26px;line-height:34px;color:#4E5F7A;cursor:pointer}
.drawer-nav{padding:16px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:13px 12px;border-radius:14px;color:#4E5F7A;font-weight:800;border-bottom:1px solid rgba(40,156,255,.08)}
.drawer-nav a.active,.drawer-nav a:hover{background:#EEF2F7;color:#289CFF}
.main{max-width:1200px;margin:0 auto;padding:0 20px 64px}
.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(200px,38vw,480px)}
.banner-track,.banner-slide{width:100%;height:100%}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .45s 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-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.86);box-shadow:0 8px 20px rgba(56,92,138,.18);color:#289CFF;font-size:30px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.slider-arrow:hover{background:#FFFFFF;transform:translateY(-50%) scale(1.04)}
.slider-prev{left:18px}.slider-next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:4;display:flex;justify-content:center;gap:9px}
.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(36,52,71,.22);cursor:pointer;padding:0}
.slider-dot.active{background:#289CFF;width:26px;border-radius:999px}
.section{margin:34px 0;padding:34px;border-radius:24px;background:rgba(255,255,255,0.72);border:1px solid rgba(40,156,255,.12);box-shadow:0 14px 36px rgba(56,92,138,0.08)}
.section.flush{background:transparent;border:0;box-shadow:none;padding:0}
.section-title{font-size:clamp(24px,3.2vw,38px);line-height:1.25;margin:0 0 14px;color:#289CFF;letter-spacing:.01em}
.section-lead{font-size:17px;color:#66788A;margin:0 0 24px;max-width:880px}
h1,h2,h3,.section-title{color:#289CFF}
h1{font-size:clamp(30px,4vw,48px);line-height:1.18;margin:0 0 16px;letter-spacing:.01em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;margin:0 0 14px}
h3{font-size:20px;line-height:1.35;margin:0 0 10px}
p{margin:0 0 14px;color:#243447}
.muted{color:#8A9AAF}.sub{color:#66788A}.highlight{color:#289CFF;font-weight:800}
.hero-card{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:28px;align-items:center;background:rgba(255,255,255,0.92);border:1px solid rgba(40,156,255,0.16);border-radius:26px;box-shadow:0 14px 36px rgba(56,92,138,0.10);padding:34px}
.hero-card p{font-size:16px;color:#66788A}
.hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:18px}
.text-link{font-weight:800;color:#289CFF}
.image-wrap{background:#FFFFFF;border:1px solid rgba(40,156,255,.14);border-radius:22px;padding:12px;box-shadow:0 14px 36px rgba(56,92,138,0.08)}
.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}
.image-wrap img{width:100%;height:auto;object-fit:contain;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,.zone-card,.info-card,.review-card,.faq-item{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;padding:24px;overflow:hidden}
.card h3,.zone-card h3,.info-card h3,.review-card h3{margin-bottom:10px}
.card p,.zone-card p,.info-card p,.review-card p,.faq-item p{color:#66788A}
.card-number{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:#EEF2F7;color:#289CFF;font-weight:900;margin-bottom:14px}
.card-img{border-radius:18px;margin:-4px 0 16px;background:#FFFFFF;border:1px solid rgba(40,156,255,.12);padding:8px}
.card-img img{width:100%;height:auto;object-fit:contain;border-radius:14px}
.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:26px;align-items:center}
.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,.12);border-radius:16px;padding:14px 16px 14px 44px;color:#243447}
.feature-list li:before{content:"";position:absolute;left:18px;top:21px;width:10px;height:10px;border-radius:50%;background:#289CFF;box-shadow:0 0 0 5px rgba(40,156,255,.12)}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0}
.tag{display:inline-flex;padding:7px 12px;border-radius:999px;background:#EEF2F7;color:#289CFF;font-weight:800;font-size:13px}
.notice-panel{background:#DDE4EE;border:1px solid rgba(40,156,255,.18);border-radius:22px;padding:24px;color:#243447}
.notice-panel p{color:#4E5F7A}
.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.review-card strong{display:block;color:#289CFF;margin-bottom:8px}
.faq-list{display:grid;gap:14px}
.faq-item h3{font-size:18px;color:#289CFF;margin-bottom:8px}
.inner-hero{max-width:1200px;margin:28px auto 28px;padding:38px 34px;border-radius:26px;background:rgba(255,255,255,.88);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:28px;align-items:center}
.inner-hero.no-image{display:block}.inner-hero p{font-size:17px;color:#66788A}.page-main{max-width:1200px;margin:0 auto;padding:0 20px 64px}.breadcrumb{font-size:14px;color:#8A9AAF;margin-bottom:12px}.breadcrumb a{font-weight:700}.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:20px}.mini-item{background:#F5F7FB;border:1px solid rgba(40,156,255,.12);border-radius:16px;padding:15px}.mini-item strong{color:#289CFF;display:block;margin-bottom:6px}.mini-item span{color:#66788A;font-size:14px}
.service-steps{counter-reset:step;display:grid;gap:14px}.service-steps li{counter-increment:step;list-style:none;background:#FFFFFF;border:1px solid rgba(40,156,255,.16);border-radius:18px;padding:18px 18px 18px 64px;position:relative;color:#66788A;box-shadow:0 10px 26px rgba(56,92,138,.08)}.service-steps li:before{content:counter(step);position:absolute;left:18px;top:18px;width:32px;height:32px;border-radius:12px;background:#EEF2F7;color:#289CFF;display:flex;align-items:center;justify-content:center;font-weight:900}
.site-footer{background:#243447;color:#EAF3FF;margin-top:30px}.footer-inner{max-width:1200px;margin:0 auto;padding:44px 20px;display:grid;grid-template-columns:minmax(260px,1.15fr) minmax(0,1.85fr);gap:34px}.footer-brand img{width:148px;margin-bottom:16px}.footer-brand p{color:#EAF3FF;opacity:.9}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.footer-links h3{color:#EAF3FF;font-size:17px;margin-bottom:12px}.footer-links a{display:block;color:#EAF3FF;opacity:.82;margin:8px 0}.footer-links a:hover{opacity:1;color:#FFFFFF}.footer-note{border-top:1px solid rgba(234,243,255,.16);max-width:1200px;margin:0 auto;padding:18px 20px 24px}.footer-note p{color:#EAF3FF;opacity:.84;margin:0;font-size:14px}
@media (max-width:1180px){.nav{gap:8px}.nav a{font-size:13px}.brand-logo{width:132px}.main-btn{padding:10px 18px}}
@media (max-width:980px){.header-inner{display:none}.mobile-topbar{display:flex}.site-header{min-height:64px}.main{padding-left:16px;padding-right:16px}.hero-card,.inner-hero,.split{grid-template-columns:1fr}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.reviews{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr}.banner-slider{margin-top:18px;border-radius:18px}.section{padding:24px;border-radius:20px}}
@media (max-width:640px){body{font-size:15px}.mobile-logo{width:116px}.header-btn{padding:9px 16px;min-width:72px}.banner-slider{height:clamp(180px,62vw,280px);margin-bottom:24px}.slider-arrow{width:36px;height:36px;font-size:24px}.slider-prev{left:10px}.slider-next{right:10px}.section{margin:24px 0;padding:20px}.hero-card,.inner-hero{padding:22px;border-radius:20px}.grid-2,.grid-3,.grid-4,.reviews,.mini-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card,.faq-item{padding:20px}.feature-list li{padding-left:38px}}