:root{
    --bg:#E6EBF2;
    --nav-bg:#F5F7FB;
    --white:#FFFFFF;
    --soft:#EEF2F7;
    --soft2:#DDE4EE;
    --blue:#289CFF;
    --nav:#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%);
}
*{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}
h1,h2,h3,.section-title{color:var(--blue);line-height:1.28;margin:0 0 16px;font-weight:800}
p{margin:0 0 14px}.muted{color:var(--muted)}.small{color:var(--light);font-size:14px}.accent{color:var(--blue);font-weight:700}
.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,.10)}
.desktop-header{max-width:1280px;margin:0 auto;min-height:78px;padding:0 22px;display:flex;align-items:center;gap:22px}.brand{flex:0 0 auto}.brand img{width:142px;height:auto}.nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;flex-wrap:wrap}.nav a{position:relative;color:var(--nav);font-weight:700;font-size:14px;padding:22px 8px 18px;white-space:nowrap}.nav a:after{content:"";position:absolute;left:10px;right:10px;bottom:12px;height:3px;border-radius:9px;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:#fff!important;font-weight:800;box-shadow:0 10px 24px rgba(36,155,255,.25);border:0;white-space:nowrap}.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px);box-shadow:0 14px 28px rgba(36,155,255,.32)}.header-btn{min-height:40px;padding:0 22px}
.mobile-bar{display:none;min-height:64px;padding:0 14px;align-items:center;justify-content:space-between}.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}.mobile-logo img{width:126px}.menu-toggle{width:44px;height:44px;border:0;background:transparent;display:inline-flex;flex-direction:column;justify-content:center;gap:5px;padding:0;cursor:pointer}.menu-toggle span{width:24px;height:3px;border-radius:5px;background:var(--nav);display:block}.drawer-mask{position:fixed;inset:0;background:rgba(36,52,71,.46);z-index:10000;opacity:0;visibility:hidden;transition:.25s ease}.drawer-mask.open{opacity:1;visibility:visible}.mobile-drawer{position:fixed;left:0;top:0;width:84vw;max-width:320px;height:100vh;background:#fff;z-index:10001;transform:translateX(-104%);transition:.3s ease;box-shadow:20px 0 40px rgba(36,52,71,.18);padding:18px;overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.drawer-logo img{width:132px}.drawer-close{width:42px;height:42px;border:0;background:var(--soft);border-radius:50%;position:relative;cursor:pointer}.drawer-close:before,.drawer-close:after{content:"";position:absolute;left:12px;right:12px;top:20px;height:2px;background:var(--nav);border-radius:2px}.drawer-close:before{transform:rotate(45deg)}.drawer-close:after{transform:rotate(-45deg)}.drawer-nav{display:grid;gap:8px}.drawer-nav a{padding:12px 14px;border-radius:14px;color:var(--nav);font-weight:800;background:var(--nav-bg)}.drawer-nav a.active,.drawer-nav a:hover{color:var(--blue);background:#EEF7FF}.menu-open{overflow:hidden}
.site-main{min-height:60vh}.container,.section{max-width:1200px;margin:0 auto;padding:0 22px}.section{margin-top:34px}.section-head{max-width:840px;margin-bottom:24px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}.section-title{font-size:clamp(24px,3vw,36px)}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;color:var(--blue);font-weight:800;letter-spacing:.04em}.eyebrow:before{content:"";width:24px;height:3px;border-radius:9px;background:var(--blue)}
.banner-slider{max-width:1200px;height:clamp(180px,42vw,520px);margin:28px auto 36px;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}.slides,.slide{position:absolute;inset:0}.slide{opacity:0;transition:opacity .45s ease;display:flex;align-items:center;justify-content:center;background:#fff}.slide.active{opacity:1;z-index:2}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}.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:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.72);background:rgba(36,52,71,.28);cursor:pointer}.slider-arrow:before{content:"";width:12px;height:12px;border-top:3px solid #fff;border-left:3px solid #fff;position:absolute;top:15px}.slider-prev{left:16px}.slider-prev:before{left:18px;transform:rotate(-45deg)}.slider-next{right:16px}.slider-next:before{right:18px;transform:rotate(135deg)}.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:4;display:flex;justify-content:center;gap:9px}.slider-dots button{width:10px;height:10px;border:0;border-radius:50%;background:rgba(255,255,255,.72);padding:0;cursor:pointer}.slider-dots button.active{width:28px;border-radius:999px;background:var(--blue)}
.card,.zone-card,.info-card,.review-card,.faq-item,.notice-card{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}.grid{display:grid;gap:20px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.info-card,.review-card,.faq-item,.notice-card{padding:24px}.card h3,.info-card h3,.review-card h3,.faq-item h3,.notice-card h3{font-size:20px}.link-more{font-weight:800;display:inline-flex;align-items:center;gap:6px}.link-more:after{content:"›";font-size:20px}.hero,.sub-hero{max-width:1200px;margin:28px auto 0;padding:0 22px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:26px;align-items:center}.hero-copy,.sub-copy{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:34px}.hero-copy h1,.sub-copy h1{font-size:clamp(30px,4vw,48px)}.hero-media,.sub-media{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:16px;overflow:hidden}.content-img,.zone-card img,.app-section img,.sub-media img{max-width:100%;height:auto;object-fit:contain;border-radius:18px;background:#fff}.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.image-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:16px}.image-card img{width:100%;height:auto;object-fit:contain;border-radius:18px}.number-list{counter-reset:item;display:grid;gap:14px}.number-list .item{position:relative;padding:18px 18px 18px 64px;background:#fff;border:1px solid var(--border);border-radius:18px}.number-list .item:before{counter-increment:item;content:counter(item,decimal-leading-zero);position:absolute;left:18px;top:19px;color:var(--blue);font-weight:900}.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.tag{padding:8px 14px;border-radius:999px;background:#EEF7FF;color:var(--blue);font-weight:800}.notice-strip{max-width:1200px;margin:34px auto 0;padding:0 22px}.notice-strip .notice-card{background:#fff}.reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.review-card p{color:var(--muted)}.review-card strong{color:var(--blue)}.faq-list{display:grid;gap:14px}.faq-item h3{margin-bottom:10px}.page-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.page-nav a{padding:8px 14px;border-radius:999px;background:#EEF7FF;font-weight:800}.site-footer{background:var(--footer);color:var(--footer-text);margin-top:56px}.footer-wrap{max-width:1200px;margin:0 auto;padding:44px 22px;display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:28px}.footer-brand img{width:150px;margin-bottom:16px}.footer-brand p,.footer-notice p{color:#D6E6F7}.footer-links{display:grid;gap:8px;align-content:start}.footer-links h3,.footer-notice h3{color:#fff;margin-bottom:8px}.footer-links a{color:#EAF3FF}.footer-links a:hover{color:#75C6FF}.footer-bottom{text-align:center;color:#C5D7EA;border-top:1px solid rgba(234,243,255,.12);padding:16px 22px}.app-points{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.app-points .card{padding:18px}.product-card{display:flex;flex-direction:column;gap:14px}.product-card img{width:100%;height:auto;object-fit:contain;background:#fff;border-radius:16px;border:1px solid rgba(40,156,255,.10)}
@media (max-width:1100px){.desktop-header{display:none}.mobile-bar{display:flex}.nav{gap:0}.hero,.sub-hero{grid-template-columns:1fr}.grid.four{grid-template-columns:repeat(2,1fr)}.footer-wrap{grid-template-columns:1fr 1fr}.app-points{grid-template-columns:repeat(2,1fr)}}
@media (max-width:780px){.container,.section{padding:0 16px}.banner-slider{margin:18px 14px 28px;border-radius:16px;height:clamp(168px,58vw,300px)}.slider-arrow{width:38px;height:38px}.slider-prev{left:10px}.slider-next{right:10px}.hero,.sub-hero{padding:0 16px;margin-top:20px}.hero-copy,.sub-copy{padding:24px;border-radius:22px}.grid.two,.grid.three,.grid.four,.split,.reviews{grid-template-columns:1fr}.app-points{grid-template-columns:1fr}.footer-wrap{grid-template-columns:1fr;padding:36px 18px}.card,.info-card,.review-card,.faq-item,.notice-card{padding:20px}.section{margin-top:28px}.page-nav a{font-size:14px}.header-btn{min-height:38px;padding:0 18px}.sub-media{padding:12px}}