*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#E6EBF2;color:#243447;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:#289CFF;text-decoration:none}
a:hover{color:#1E90F0}
.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:1200px;margin:0 auto;min-height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo,.drawer-logo{flex:0 0 auto;display:flex;align-items:center}
.logo img{max-height:52px;width:auto;display:block}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}
.nav a,.nav-drop{position:relative;border:0;background:transparent;color:#4E5F7A;font:inherit;font-weight:700;cursor:pointer;padding:22px 0}
.nav a.active,.nav a:hover,.nav-drop:hover{color:#289CFF}
.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:99px;background:#289CFF}
.header-action{flex:0 0 auto;display:flex;align-items:center}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 24px;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF;font-weight:800;box-shadow:0 10px 24px rgba(36,155,255,0.25)}
.main-btn:hover{color:#FFFFFF;background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px)}
.dropdown,.more-dropdown{position:relative}
.dropdown-menu,.more-menu{position:absolute;top:100%;left:0;min-width:184px;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(8px);transition:.18s ease;overflow:hidden}
.dropdown:hover .dropdown-menu,.more-dropdown:hover .more-menu,.dropdown:focus-within .dropdown-menu,.more-dropdown:focus-within .more-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a,.more-menu a{display:block;padding:12px 16px;color:#4E5F7A;white-space:nowrap;font-weight:700}
.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:42px;height:42px;padding:8px}
.menu-toggle span{display:block;height:3px;background:#4E5F7A;border-radius:99px;margin:6px 0}
.drawer-overlay{position:fixed;inset:0;background:rgba(36,52,71,.42);z-index:10001;opacity:0;visibility:hidden;transition:.2s}
.mobile-drawer{position:fixed;top:0;bottom:0;left:0;width:84%;max-width:320px;background:#FFFFFF;z-index:10002;transform:translateX(-102%);transition:.25s ease;box-shadow:18px 0 40px rgba(36,52,71,.18);overflow:auto}
.drawer-open .drawer-overlay{opacity:1;visibility:visible}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(40,156,255,.12)}
.drawer-logo img{max-height:48px;width:auto}
.drawer-close{border:0;background:#EEF2F7;color:#4E5F7A;width:36px;height:36px;border-radius:50%;font-size:26px;line-height:1}
.drawer-nav{display:grid;padding:12px}
.drawer-nav a{padding:13px 14px;border-radius:12px;color:#4E5F7A;font-weight:700}
.drawer-nav a:hover{background:#EEF2F7;color:#289CFF}
.page-main{padding-bottom:48px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.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;aspect-ratio:16/6.3}
.slider-track,.slide{height:100%}
.slide{display:none}
.slide.active{display:block}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF;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:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.86);color:#289CFF;font-size:28px;cursor:pointer;box-shadow:0 8px 20px rgba(56,92,138,.16)}
.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;text-align:center}
.slider-dots button{width:11px;height:11px;border-radius:50%;border:0;background:rgba(78,95,122,.35);margin:0 5px;cursor:pointer}
.slider-dots button.active{background:#289CFF}
.hero-card,.section,.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}
.hero-card{padding:34px;margin-bottom:28px}
h1,h2,h3,.section-title{color:#289CFF;line-height:1.35;margin:0 0 14px}
h1{font-size:36px}
h2{font-size:28px}
h3{font-size:20px}
p{margin:0 0 14px}
.muted{color:#66788A}.small{color:#8A9AAF;font-size:14px}
.grid{display:grid;gap:20px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.faq-item{padding:24px}
.section{padding:30px;margin:28px 0}
.link-more{font-weight:800}
.content-img{width:100%;height:auto;display:block;border-radius:20px;background:#FFFFFF;box-shadow:0 12px 30px rgba(56,92,138,.12);object-fit:contain}
.image-card{padding:12px;background:#FFFFFF;border-radius:22px;border:1px solid rgba(40,156,255,.12)}
.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px}
.feature-list span{display:block;background:#EEF2F7;border-radius:14px;padding:12px 14px;color:#4E5F7A;font-weight:700}
.notice{background:#DDE4EE;border-left:4px solid #289CFF;border-radius:16px;padding:18px 20px;color:#4E5F7A;margin-top:18px}
.review-card strong{display:block;color:#289CFF;margin-bottom:8px}
.site-footer{background:#243447;color:#EAF3FF;padding:42px 20px 22px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.footer-brand img{max-height:54px;width:auto;display:block;margin-bottom:16px}
.footer-brand p{color:#EAF3FF}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.footer-links a{color:#EAF3FF;background:rgba(255,255,255,.08);border-radius:12px;padding:10px 12px}
.footer-note{max-width:1200px;margin:26px auto 0;color:#EAF3FF;border-top:1px solid rgba(234,243,255,.18);padding-top:18px;font-size:14px}
@media (max-width:980px){
    .nav{gap:14px}.nav a,.nav-drop{font-size:14px}
    .grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
    .grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
    .header-inner{min-height:64px;padding:0 12px;gap:10px}
    .menu-toggle{display:block;flex:0 0 auto}
    .nav-wrap{display:none}
    .logo{position:absolute;left:50%;transform:translateX(-50%)}
    .logo img{max-height:44px}
    .header-action .main-btn{min-height:36px;padding:0 16px}
    .banner-slider{margin:18px 12px 24px;border-radius:16px;aspect-ratio:16/8.8}
    .container{padding:0 14px}
    .hero-card,.section{padding:22px;margin:20px 0}
    h1{font-size:28px}h2{font-size:24px}
    .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
    .feature-list{grid-template-columns:1fr}
    .footer-inner{grid-template-columns:1fr}
    .footer-links{grid-template-columns:1fr}
}