*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:#F3FBFF;color:#34465C;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.wrap{max-width:1180px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(34,174,234,.12);box-shadow:0 8px 24px rgba(31,133,184,.08)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:#34465C;font-weight:700;position:relative;padding:8px 2px}.nav-core a:hover,.nav-core a.active{color:#22AEEA}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:-9px;width:22px;height:3px;border-radius:999px;background:#22AEEA;transform:translateX(-50%)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#45C9F5 0%,#22AEEA 52%,#168ED4 100%);color:#fff;border-radius:999px;padding:11px 22px;font-weight:800;box-shadow:0 14px 30px rgba(34,174,234,.24);transition:.2s}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(34,174,234,.32)}.header-btn{white-space:nowrap}.menu-toggle{display:none;background:#fff;border:1px solid rgba(34,174,234,.16);border-radius:12px;width:42px;height:38px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.menu-toggle span{width:19px;height:2px;background:#147FB8;border-radius:4px}.channel-bar{background:#fff;border-bottom:1px solid rgba(34,174,234,.12);overflow-x:auto;white-space:nowrap}.channel-scroll{display:flex;align-items:center;gap:6px;padding-top:8px;padding-bottom:8px}.channel-bar a{display:inline-flex;align-items:center;color:#5C6F82;padding:8px 13px;border-radius:999px;font-size:14px;font-weight:650}.channel-bar a:hover,.channel-bar a.active{color:#22AEEA;background:rgba(34,174,234,.10)}.site-main{min-height:60vh}.floating-service{position:fixed;right:18px;top:42%;z-index:50;display:flex;flex-direction:column;gap:8px}.floating-service a{background:#fff;color:#34465C;border:1px solid rgba(34,174,234,.12);box-shadow:0 12px 30px rgba(31,133,184,.12);border-radius:999px;padding:9px 12px;text-align:center;font-weight:700;font-size:13px}.floating-service a.register-link{background:linear-gradient(135deg,#45C9F5 0%,#22AEEA 52%,#168ED4 100%);color:#fff}.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:24px;background:#F8FCFF;box-shadow:0 16px 38px rgba(31,133,184,.12);overflow:hidden;position:relative;height:340px}.banner-track,.banner-slide{height:100%}.banner-slide{display:none;align-items:center;justify-content:center}.banner-slide.active{display:flex}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F8FCFF}.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.86);color:#147FB8;font-size:24px;cursor:pointer;box-shadow:0 8px 20px rgba(31,133,184,.16)}.banner-prev{left:14px}.banner-next{right:14px}.banner-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}.banner-dots button{width:9px;height:9px;border:0;border-radius:50%;background:rgba(20,127,184,.25);cursor:pointer}.banner-dots button.active{width:24px;border-radius:999px;background:#22AEEA}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.section{padding:38px 0}.hero-intro{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;background:#fff;border:1px solid rgba(34,174,234,.12);border-radius:28px;padding:36px;box-shadow:0 16px 38px rgba(31,133,184,.12);position:relative;overflow:hidden}.hero-intro:before{content:"";position:absolute;right:-80px;top:-80px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(69,201,245,.26),rgba(69,201,245,0) 68%)}.eyebrow{display:inline-flex;color:#147FB8;background:rgba(34,174,234,.10);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:800}h1,h2,h3,.section-title{color:#22AEEA;line-height:1.25}h1{font-size:42px;margin:16px 0}h2{font-size:30px;margin:0 0 12px}.lead{font-size:17px;color:#5C6F82}.intro-pic{border-radius:24px;background:#F8FCFF;border:1px solid rgba(34,174,234,.16);padding:18px}.intro-pic img{width:100%;max-height:280px;object-fit:contain}.news-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.strip-item,.card,.zone-card,.info-card,.review-card,.faq-card,.page-hero,.notice-box{background:#fff;border:1px solid rgba(34,174,234,.12);box-shadow:0 16px 38px rgba(31,133,184,.12);border-radius:20px}.strip-item{padding:18px}.strip-item strong,.num{color:#22AEEA}.board-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:24px}.feature{display:grid;grid-template-columns:1fr 1.05fr;gap:28px;align-items:center;background:#fff;border-radius:26px;border:1px solid rgba(34,174,234,.12);padding:28px;box-shadow:0 16px 38px rgba(31,133,184,.12)}.feature.reverse{grid-template-columns:1.05fr 1fr}.feature-media{background:#F8FCFF;border-radius:22px;padding:16px}.feature-media img,.content-img{width:100%;height:260px;object-fit:contain}.horizontal-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product-card{background:#fff;border:1px solid rgba(34,174,234,.12);border-radius:20px;overflow:hidden;box-shadow:0 16px 38px rgba(31,133,184,.12)}.product-card img{width:100%;height:160px;object-fit:contain;background:#F8FCFF;padding:10px}.product-card div{padding:16px}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.matrix .product-card img{height:145px}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.notice-box{padding:26px;background:linear-gradient(135deg,#fff 0%,#F8FCFF 100%)}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card{padding:18px}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.faq-card{padding:20px}.about-band{background:#fff;border-radius:26px;border:1px solid rgba(34,174,234,.12);padding:30px;box-shadow:0 16px 38px rgba(31,133,184,.12)}.legal-reminder{background:#EAF7FE;border:1px solid rgba(34,174,234,.20);border-radius:24px;padding:24px;color:#34465C}.page-hero{padding:34px;margin:28px auto}.page-hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}.page-hero img{width:100%;height:260px;object-fit:contain;background:#F8FCFF;border-radius:22px;padding:14px}.page-content{display:grid;grid-template-columns:2fr 1fr;gap:22px}.content-stack{display:grid;gap:18px}.info-list{display:grid;gap:12px}.info-list li{background:#F8FCFF;border:1px solid rgba(34,174,234,.12);border-radius:14px;padding:12px 14px}.site-footer{margin-top:46px;background:#163B57;color:#EAF7FE;padding:42px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:24px}.footer-brand img{height:52px;width:auto;margin-bottom:12px}.site-footer a{display:block;color:#EAF7FE;margin:7px 0}.site-footer h3{color:#fff;margin-top:0}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.12);padding:16px;margin-top:24px;color:#BFE8FA}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:10001;transform:translateX(-105%);transition:.25s;box-shadow:20px 0 50px rgba(22,59,87,.18);overflow-y:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(34,174,234,.12)}.drawer-head img{height:46px;width:auto}.drawer-close{font-size:30px;background:#F3FBFF;border:0;border-radius:12px;color:#147FB8;width:40px;height:40px}.drawer-nav{display:grid;padding:12px}.drawer-nav a{padding:12px 10px;border-bottom:1px solid rgba(34,174,234,.08);color:#34465C;font-weight:700}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:10000}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open .drawer-mask{display:block}.drawer-open{overflow:hidden}.mobile-bottom-nav{display:none}@media(max-width:980px){.nav-core{gap:14px}.horizontal-cards,.news-strip{grid-template-columns:repeat(2,1fr)}.board-grid,.matrix,.reviews{grid-template-columns:1fr 1fr}.page-content,.footer-grid{grid-template-columns:1fr}.floating-service{display:none}}@media(max-width:720px){body{padding-bottom:66px}.wrap{padding:0 14px}.header-inner{min-height:62px;gap:12px}.menu-toggle{display:flex}.nav-core{display:none}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:42px}.header-btn{padding:8px 14px;font-size:14px;margin-left:auto}.channel-scroll{padding-left:14px;padding-right:14px}.banner-slider{height:190px;margin:16px 14px 24px;border-radius:18px}.banner-arrow{width:34px;height:34px;font-size:20px}.hero-intro,.page-hero-inner,.feature,.feature.reverse,.split{grid-template-columns:1fr;padding:22px}.hero-intro h1,h1{font-size:30px}.section{padding:25px 0}.news-strip,.board-grid,.horizontal-cards,.matrix,.reviews,.faq-grid{grid-template-columns:1fr}.feature-media img,.content-img,.page-hero img{height:190px}.product-card img,.matrix .product-card img{height:130px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:9998;background:#fff;border-top:1px solid rgba(34,174,234,.16);display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 -8px 20px rgba(31,133,184,.10)}.mobile-bottom-nav a{text-align:center;padding:9px 0;color:#5C6F82;font-size:13px;font-weight:800}.mobile-bottom-nav a:before{content:"•";display:block;line-height:1;color:#BFE8FA}.mobile-bottom-nav a.active{color:#22AEEA}.footer-grid{gap:14px}.site-footer{padding-bottom:18px}}