:root{
    --page-bg:#E6EBF2;
    --nav-bg:#F5F7FB;
    --white:#FFFFFF;
    --soft:#EEF2F7;
    --soft-2:#DDE4EE;
    --blue:#289CFF;
    --nav-text:#4E5F7A;
    --text:#243447;
    --muted:#66788A;
    --light:#8A9AAF;
    --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(--page-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:inherit;text-decoration:none}
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:1220px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{flex:0 0 auto;display:flex;align-items:center;min-width:132px}
.logo img{max-height:52px;width:auto}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap}
.nav-item,.nav-button{position:relative;border:0;background:transparent;color:#4E5F7A;font-size:15px;font-weight:700;line-height:1;cursor:pointer;padding:27px 0 24px;font-family:inherit}
.nav-item.active,.dropdown.active>.nav-button,.more-dropdown.active>.nav-button{color:#289CFF}
.nav-item.active:after,.dropdown.active>.nav-button:after,.more-dropdown.active>.nav-button:after{content:"";position:absolute;left:0;right:0;bottom:16px;height:3px;border-radius:99px;background:#289CFF;box-shadow:0 0 12px rgba(40,156,255,.38)}
.header-action{flex:0 0 auto;display:flex;align-items:center;justify-content:flex-end}
.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;font-weight:800;box-shadow:0 10px 24px rgba(36,155,255,0.25);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px);box-shadow:0 14px 28px rgba(36,155,255,0.30)}
.dropdown,.more-dropdown{position:relative}
.dropdown-menu,.more-menu{position:absolute;top:100%;left:0;min-width:180px;background:#FFFFFF;border:1px solid rgba(40,156,255,0.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,0.16);z-index:10000;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .18s ease;padding:8px;pointer-events:none}
.more-menu{right:0;left:auto;min-width:196px}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu,.more-dropdown:hover .more-menu,.more-dropdown:focus-within .more-menu{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.dropdown-menu a,.more-menu a{display:block;padding:12px 16px;color:#4E5F7A;white-space:nowrap;border-radius:10px;font-weight:700;font-size:14px}
.dropdown-menu a:hover,.more-menu a:hover{color:#289CFF;background:rgba(40,156,255,0.08)}
.menu-toggle{display:none;border:0;background:transparent;width:46px;height:46px;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;cursor:pointer}
.menu-toggle span{display:block;width:24px;height:2px;background:#4E5F7A;border-radius:99px}
.drawer-mask{position:fixed;inset:0;background:rgba(36,52,71,.42);opacity:0;visibility:hidden;transition:all .22s ease;z-index:10001}
.mobile-drawer{position:fixed;top:0;bottom:0;left:0;width:84vw;max-width:320px;background:#FFFFFF;box-shadow:22px 0 46px rgba(36,52,71,.20);transform:translateX(-105%);transition:transform .24s ease;z-index:10002;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-open{overflow:hidden}
.drawer-head{min-height:74px;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid rgba(40,156,255,.12);background:#F5F7FB}
.drawer-logo img{max-height:48px;width:auto}
.drawer-close{border:0;background:#EEF2F7;color:#4E5F7A;width:38px;height:38px;border-radius:50%;font-size:26px;line-height:1;cursor:pointer}
.drawer-nav{padding:14px}
.drawer-nav a{display:block;padding:13px 14px;margin:4px 0;border-radius:12px;color:#4E5F7A;font-weight:800;background:#F5F7FB}
.drawer-nav a:hover{color:#289CFF;background:rgba(40,156,255,.10)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.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;z-index:1;aspect-ratio:16/6.2}
.slider-track,.slide{position:absolute;inset:0}
.slide{opacity:0;transition:opacity .35s ease;background:#FFFFFF}
.slide.active{opacity:1;z-index:2}
.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:4;width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:#289CFF;font-size:30px;line-height:1;box-shadow:0 10px 28px rgba(56,92,138,.18);cursor:pointer}
.slider-prev{left:18px}.slider-next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:9px;z-index:4}
.slider-dot{width:10px;height:10px;border:0;border-radius:50%;background:rgba(78,95,122,.32);cursor:pointer;padding:0}
.slider-dot.active{background:#289CFF;box-shadow:0 0 0 5px rgba(40,156,255,.14)}
.section{margin:44px 0}
.section-head{max-width:780px;margin:0 0 24px}
.eyebrow{color:#289CFF;font-weight:900;letter-spacing:.08em;font-size:13px;margin-bottom:8px}
h1,h2,h3,.section-title{color:#289CFF;line-height:1.25;margin:0 0 14px}
h1{font-size:42px}h2{font-size:30px}h3{font-size:20px}
p{margin:0 0 14px;color:#243447}.muted{color:#66788A}.small{color:#8A9AAF;font-size:14px}
.card,.zone-card,.info-card,.review-card,.faq-item,.notice-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:20px}
.intro-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;padding:32px;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:24px}
.intro-panel .main-btn{margin-top:8px}
.content-img{border-radius:18px;background:#FFFFFF;border:1px solid rgba(40,156,255,.12);box-shadow:0 12px 30px rgba(56,92,138,.10);width:100%;height:auto;object-fit:contain}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.card-grid.two{grid-template-columns:repeat(2,1fr)}
.info-card,.zone-card,.review-card,.faq-item,.notice-card{padding:22px}
.info-card .num,.zone-card .tag{display:inline-flex;align-items:center;justify-content:center;color:#289CFF;background:rgba(40,156,255,.10);font-weight:900;border-radius:999px;padding:5px 12px;margin-bottom:12px;font-size:13px}
.info-card p,.zone-card p,.review-card p,.faq-item p{color:#66788A}
.text-link{display:inline-flex;align-items:center;margin-top:8px;color:#289CFF;font-weight:900}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;align-items:center}
.panel{padding:28px;border-radius:24px;background:#F5F7FB;border:1px solid rgba(40,156,255,.14)}
.clean-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
.clean-list li{position:relative;padding-left:28px;color:#243447}
.clean-list li:before{content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;border-radius:50%;background:#289CFF;box-shadow:0 0 0 6px rgba(40,156,255,.12)}
.product-card img,.image-card img{width:100%;height:auto;object-fit:contain;border-radius:16px;background:#FFFFFF;border:1px solid rgba(40,156,255,.12);margin-bottom:16px}
.review-card strong{display:block;color:#289CFF;margin-bottom:8px}
.faq-list{display:grid;gap:16px}.faq-item h3{font-size:18px;color:#289CFF;margin-bottom:8px}
.page-hero{padding:48px 0 10px}.page-hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}
.page-hero .hero-text{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:24px;padding:32px}
.hero-text .main-btn{margin-top:8px}.hero-image{border-radius:24px;overflow:hidden;background:#FFFFFF;border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);padding:12px}
.hero-image img{width:100%;height:auto;object-fit:contain;border-radius:18px}
.notice-band{margin:44px 0 58px;padding:26px 30px;border-radius:24px;background:#243447;color:#EAF3FF;box-shadow:0 14px 36px rgba(56,92,138,0.14)}
.notice-band h2{color:#EAF3FF}.notice-band p{color:#EAF3FF;margin-bottom:0}.notice-band .text-link{color:#EAF3FF}
.site-footer{background:#243447;color:#EAF3FF;margin-top:58px}
.footer-inner{max-width:1200px;margin:0 auto;padding:42px 24px;display:grid;grid-template-columns:1fr 1.7fr;gap:34px;border-bottom:1px solid rgba(234,243,255,.12)}
.footer-brand img{max-height:54px;width:auto;margin-bottom:16px}.footer-brand p{color:#EAF3FF;opacity:.86}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.footer-links h3{color:#EAF3FF;font-size:17px}.footer-links a{display:block;color:#EAF3FF;opacity:.82;margin:8px 0}.footer-links a:hover{opacity:1;color:#FFFFFF}
.footer-note{max-width:1200px;margin:0 auto;padding:20px 24px 30px}.footer-note p{color:#EAF3FF;opacity:.86;margin:0;font-size:14px}
@media (max-width:1120px){.nav{gap:14px}.nav-item,.nav-button{font-size:14px}.header-inner{gap:16px;padding:0 18px}.logo{min-width:120px}}
@media (max-width:960px){.header-inner{display:grid;grid-template-columns:64px 1fr auto;min-height:68px;padding:0 14px;gap:8px}.menu-toggle{display:flex;justify-self:start}.logo{min-width:0;justify-self:center}.logo img{max-height:46px}.nav-wrap{display:none}.header-action{justify-self:end}.main-btn{min-height:38px;padding:0 17px}.banner-slider{margin:18px 14px 30px;border-radius:16px;aspect-ratio:16/8.6}.slider-arrow{width:38px;height:38px;font-size:26px}.container{padding:0 16px}.intro-panel,.page-hero-inner,.split{grid-template-columns:1fr}.card-grid,.card-grid.three,.card-grid.two{grid-template-columns:repeat(2,1fr)}h1{font-size:34px}h2{font-size:26px}.page-hero{padding-top:32px}.footer-inner{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){body{font-size:15px}.header-inner{grid-template-columns:50px 1fr auto}.logo img{max-height:40px}.main-btn{min-height:36px;padding:0 14px;font-size:14px}.banner-slider{aspect-ratio:16/10.5;margin-top:14px}.slider-arrow{width:34px;height:34px}.slider-prev{left:10px}.slider-next{right:10px}.slider-dots{bottom:10px}.section{margin:34px 0}.intro-panel,.page-hero .hero-text,.panel,.notice-band{padding:22px;border-radius:18px}.card-grid,.card-grid.three,.card-grid.two{grid-template-columns:1fr;gap:14px}.info-card,.zone-card,.review-card,.faq-item,.notice-card{padding:19px}h1{font-size:28px}h2{font-size:23px}h3{font-size:18px}.footer-links{grid-template-columns:1fr}.footer-inner{padding:34px 18px}.footer-note{padding:18px}.mobile-drawer{width:86vw}}