*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#F3F8FE;color:#33445F;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(64,105,160,.10)}
.header-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;padding:0 18px}
.logo img{max-height:52px;width:auto;display:block}
.nav-core{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:#33445F;font-weight:700;position:relative;padding:10px 3px}
.nav-core a:hover,.nav-core a.active{color:#168DFF}
.nav-core a.active::after{content:"";position:absolute;left:50%;bottom:-10px;width:22px;height:3px;border-radius:999px;background:#168DFF;transform:translateX(-50%)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#35D7F4 0%,#19BCEB 42%,#168DFF 100%);color:#fff!important;border-radius:999px;padding:10px 22px;font-weight:800;box-shadow:0 12px 24px rgba(22,141,255,.18)}
.nav-register{flex:0 0 auto}
.channel-bar{background:#fff;border-bottom:1px solid rgba(64,105,160,.10);overflow-x:auto;white-space:nowrap}
.channel-inner{max-width:1180px;margin:0 auto;padding:8px 14px}
.channel-bar a{display:inline-flex;align-items:center;color:#687995;padding:8px 13px;border-radius:999px;font-size:14px}
.channel-bar a:hover,.channel-bar a.active{color:#168DFF;background:rgba(22,141,255,.07)}
.site-main{padding-bottom:36px}
.section{max-width:1180px;margin:0 auto 28px;padding:0 18px}
.section-panel{background:rgba(255,255,255,.86);border:1px solid rgba(64,105,160,.10);box-shadow:0 10px 28px rgba(63,105,160,.08);border-radius:18px;padding:28px}
.section-soft{background:#EDF5FD;border-radius:18px;padding:28px;border:1px solid rgba(22,141,255,.12)}
h1,h2,h3,.section-title{color:#315EBD;line-height:1.25;margin:0 0 14px}
h1{font-size:34px}
h2{font-size:26px}
h3{font-size:19px}
p{margin:0 0 12px}
.muted{color:#687995}
.kicker{display:inline-flex;color:#168DFF;background:rgba(22,141,255,.08);border:1px solid rgba(22,141,255,.16);border-radius:999px;padding:5px 12px;font-weight:700;font-size:13px;margin-bottom:12px}
.hero-copy{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.ghost-btn{display:inline-flex;padding:9px 18px;border-radius:999px;border:1px solid rgba(22,141,255,.18);color:#168DFF;font-weight:800;background:#fff}
.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:12px;background:#EDF5FD;box-shadow:0 10px 28px rgba(63,105,160,.08);overflow:hidden;position:relative;height:320px}
.slider-track,.slide{height:100%}
.slide{display:none}
.slide.active{display:block}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#EDF5FD;display:block}
.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%);width:38px;height:38px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:#168DFF;font-size:24px;cursor:pointer;box-shadow:0 8px 22px rgba(63,105,160,.12)}
.slider-prev{left:14px}.slider-next{right:14px}
.slider-dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px}
.slider-dots button{width:9px;height:9px;border-radius:999px;border:0;background:rgba(49,94,189,.35);cursor:pointer}
.slider-dots button.active{width:24px;background:#168DFF}
.news-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.news-item{background:#fff;border:1px solid rgba(64,105,160,.10);border-radius:14px;padding:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card,.zone-card,.info-card,.review-card,.product-card{background:#fff;border:1px solid rgba(64,105,160,.10);box-shadow:0 10px 28px rgba(63,105,160,.08);border-radius:14px;padding:18px}
.zone-card img,.info-card img,.content-img{width:100%;height:auto;max-height:230px;object-fit:contain;background:#EDF5FD;border-radius:12px;margin-bottom:14px}
.product-card img{width:100%;height:160px;object-fit:contain;background:#EDF5FD;border-radius:12px;margin-bottom:12px}
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.list-clean{padding-left:18px;margin:0}
.list-clean li{margin:8px 0}
.faq-list details{background:#fff;border:1px solid rgba(64,105,160,.10);border-radius:14px;padding:16px;margin-bottom:10px}
.faq-list summary{font-weight:800;color:#315EBD;cursor:pointer}
.side-image{display:grid;grid-template-columns:1fr 360px;gap:24px;align-items:center}
.side-image img{width:100%;max-height:280px;object-fit:contain;background:#EDF5FD;border-radius:14px}
.floating-service{position:fixed;right:18px;top:42%;z-index:50;display:flex;flex-direction:column;gap:8px}
.floating-service a{background:#fff;color:#33445F;border:1px solid rgba(64,105,160,.10);box-shadow:0 10px 26px rgba(63,105,160,.09);border-radius:999px;padding:9px 12px;font-weight:700;text-align:center}
.floating-service a.register-link{background:linear-gradient(180deg,#35D7F4 0%,#19BCEB 42%,#168DFF 100%);color:#fff}
.menu-toggle{display:none;background:transparent;border:0;width:42px;height:42px;padding:8px}
.menu-toggle span{display:block;height:2px;background:#315EBD;margin:6px 0;border-radius:10px}
.drawer-mask{position:fixed;inset:0;background:rgba(20,33,55,.38);z-index:180;display:none}
.drawer-mask.show{display:block}
.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:190;transform:translateX(-105%);transition:.25s ease;box-shadow:16px 0 34px rgba(31,65,105,.18);overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(64,105,160,.10)}
.drawer-logo img{max-height:48px}
.drawer-close{border:0;background:#EDF5FD;color:#315EBD;width:34px;height:34px;border-radius:50%;font-size:24px}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:18px}
.drawer-nav a{padding:10px 12px;border-radius:12px;background:#F3F8FE;color:#33445F;font-weight:700}
.drawer-nav a.active{color:#168DFF;background:rgba(22,141,255,.10)}
.drawer-open{overflow:hidden}
.mobile-bottom-nav{display:none}
.site-footer{background:#344564;color:#EAF5FF;margin-top:34px}
.footer-inner{max-width:1180px;margin:0 auto;padding:34px 18px}
.footer-brand{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;margin-bottom:18px}
.footer-brand img{max-height:58px;width:auto}
.footer-links{display:flex;gap:14px;flex-wrap:wrap;margin:14px 0}
.footer-links a{color:#EAF5FF;background:rgba(255,255,255,.08);border-radius:999px;padding:8px 13px}
.footer-note{color:#D8E9FA;font-size:14px}
@media(max-width:980px){
    .hero-copy,.side-image{grid-template-columns:1fr}
    .grid-4,.news-strip{grid-template-columns:repeat(2,1fr)}
    .matrix,.grid-3{grid-template-columns:repeat(2,1fr)}
    .floating-service{display:none}
}
@media(max-width:720px){
    body{padding-bottom:62px}
    .header-inner{min-height:64px;padding:0 12px;gap:10px}
    .menu-toggle{display:block}
    .nav-core{display:none}
    .logo img{max-height:44px}
    .main-btn{padding:8px 16px}
    .channel-inner{padding:7px 10px}
    .channel-bar a{padding:7px 11px}
    .banner-slider{height:188px;margin:16px 12px 22px}
    .section{padding:0 12px;margin-bottom:20px}
    .section-panel,.section-soft{padding:20px}
    h1{font-size:26px}
    h2{font-size:22px}
    .grid-4,.news-strip,.matrix,.grid-3,.grid-2{grid-template-columns:1fr}
    .product-card img{height:138px}
    .zone-card img,.info-card img,.content-img,.side-image img{max-height:205px}
    .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:95;background:#fff;border-top:1px solid rgba(64,105,160,.16);display:grid;grid-template-columns:repeat(4,1fr)}
    .mobile-bottom-nav a{text-align:center;padding:10px 0;color:#687995;font-weight:800;font-size:13px}
    .mobile-bottom-nav a:hover{color:#168DFF}
    .footer-brand{grid-template-columns:1fr}
    .drawer-nav{grid-template-columns:1fr}
}