:root{--sky:#22AEEA;--deep:#147FB8;--bg:#F3FBFF;--soft:#F8FCFF;--text:#34465C;--muted:#5C6F82;--line:rgba(34,174,234,.14);--shadow:0 16px 38px rgba(31,133,184,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;padding-top:112px}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.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}.nav-core a{font-weight:700;position:relative;padding:10px 2px}.nav-core a:hover,.nav-core a.active{color:var(--sky)}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:0;width:22px;height:3px;border-radius:999px;background:var(--sky);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:10px 22px;font-weight:800;box-shadow:0 10px 24px rgba(34,174,234,.22)}.register-top{flex:0 0 auto}.channel-bar{position:fixed;top:72px;left:0;right:0;z-index:90;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}.channel-scroll{display:flex;overflow-x:auto;white-space:nowrap;scrollbar-width:none}.channel-scroll::-webkit-scrollbar{display:none}.channel-bar a{display:inline-flex;align-items:center;color:var(--muted);padding:8px 12px;border-radius:999px;font-size:14px}.channel-bar a:hover{color:var(--sky);background:rgba(34,174,234,.09)}.floating-service{position:fixed;right:18px;top:42%;z-index:50;display:flex;flex-direction:column;gap:8px}.floating-service a{background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px rgba(31,133,184,.12);border-radius:999px;padding:9px 12px;font-size:14px}.floating-service .register-link{background:linear-gradient(135deg,#45C9F5,#22AEEA,#168ED4);color:#fff}.section{padding:62px 0}.section.alt{background:var(--soft)}.section-title{margin:0 0 12px;color:var(--sky);font-size:32px;line-height:1.25}.section-title:after{content:"";display:block;width:46px;height:4px;background:var(--sky);border-radius:99px;margin-top:12px}.section-intro{max-width:780px;color:var(--muted);margin:0 0 28px}.hero-page{padding:54px 0 34px}.hero-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:34px}.hero-panel h1{font-size:40px;color:var(--sky);margin:0 0 16px}.hero-panel img{width:100%;height:280px;object-fit:contain;background:var(--soft);border-radius:20px}.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:24px;background:var(--soft);box-shadow:var(--shadow);overflow:hidden;position:relative;height:330px}.slides{height:100%;position:relative}.slide{position:absolute;inset:0;opacity:0;transition:.45s}.slide.active{opacity:1}.banner-slider img{width:100%;height:100%;object-fit:contain;background:var(--soft)}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:var(--deep);font-size:26px;cursor:pointer;z-index:2}.slider-btn.prev{left:14px}.slider-btn.next{right:14px}.dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.dot{width:9px;height:9px;border:0;border-radius:50%;background:rgba(255,255,255,.65);cursor:pointer}.dot.active{background:var(--sky)}.grid-2,.grid-3,.grid-4{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:24px}.card h3,.zone-card h3,.info-card h3{margin:0 0 10px;color:var(--deep)}.card p,.zone-card p,.info-card p,.review-card p{color:var(--muted);margin:0}.product-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.product-card img{width:100%;height:150px;object-fit:contain;background:var(--soft);padding:8px}.product-card .body{padding:18px}.product-card h3{margin:0 0 8px;color:var(--deep)}.product-card p{margin:0;color:var(--muted);font-size:14px}.feature-row{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:34px}.feature-row.reverse .feature-image{order:2}.feature-image img{width:100%;height:280px;object-fit:contain;background:var(--soft);border-radius:22px;box-shadow:var(--shadow)}.ticker{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}.ticker div{background:#fff;padding:18px}.ticker strong{display:block;color:var(--sky);margin-bottom:6px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:12px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--deep)}.notice{background:linear-gradient(135deg,#EAF8FF,#fff);border:1px solid var(--line);border-radius:20px;padding:24px}.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:20px}.text-link{color:var(--sky);font-weight:700}.site-footer{background:#163B57;color:#EAF7FE;padding:46px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}.footer-brand img{max-height:50px;width:auto;margin-bottom:12px}.site-footer h3{margin-top:0;color:#fff}.site-footer a{display:block;color:#D9F2FF;margin:6px 0}.footer-note{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);font-size:14px;color:#CFE9F6}.menu-toggle,.mobile-bottom-nav,.mobile-drawer,.drawer-mask{display:none}.quote{font-size:15px}.quote strong{display:block;color:var(--deep);margin-top:12px}.list-clean{padding-left:18px;color:var(--muted)}
@media(max-width:900px){body{padding-top:112px}.nav-core{display:none}.menu-toggle{display:flex;width:42px;height:42px;border:0;background:transparent;flex-direction:column;justify-content:center;gap:5px}.menu-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:auto}.header-inner{gap:12px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.register-top{padding:8px 16px}.floating-service{display:none}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}.hero-panel,.feature-row{grid-template-columns:1fr}.feature-row.reverse .feature-image{order:0}.mobile-drawer{display:block;position:fixed;top:0;left:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:130;transform:translateX(-105%);transition:.3s;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--line)}.drawer-head img{max-height:42px}.drawer-head button{border:0;background:none;font-size:30px;color:var(--text)}.mobile-drawer nav{padding:10px 18px 24px}.mobile-drawer nav a{display:block;padding:11px 4px;border-bottom:1px solid #eef7fb}.drawer-mask{position:fixed;inset:0;background:rgba(20,56,80,.34);z-index:120}.drawer-mask.show{display:block}.menu-open{overflow:hidden}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:110;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;padding:11px 4px;color:var(--muted);font-size:14px}.mobile-bottom-nav a:hover{color:var(--sky)}body{padding-bottom:64px}}
@media(max-width:640px){.container{width:min(100% - 22px,1180px)}.section{padding:42px 0}.section-title{font-size:26px}.hero-panel{padding:24px}.hero-panel h1{font-size:30px}.hero-panel img{height:210px}.banner-slider{height:185px;margin-top:14px;border-radius:16px}.grid-2,.grid-4{grid-template-columns:1fr}.ticker{grid-template-columns:1fr}.feature-image img{height:220px}.product-card img{height:135px}.footer-grid{grid-template-columns:1fr}.channel-bar a{padding:8px 10px}.slider-btn{width:34px;height:34px;font-size:20px}}