:root{--bg:#F4F5F7;--surface:#fff;--soft:#EEF1F5;--line:#DDE2EA;--red:#D60000;--deep:#A90000;--text:#1D222B;--muted:#5B6472;--hint:#87909E;--shadow:0 16px 38px rgba(24,32,46,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.shell{width:min(1180px,calc(100% - 32px));margin: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(20,28,40,.08)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.logo{display:inline-flex;align-items:center;flex:0 0 auto}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap;flex:1}.nav-core a{font-weight:700;position:relative;padding:8px 4px}.nav-core a:hover,.nav-core a.active{color:var(--red)}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:-10px;width:22px;height:3px;border-radius:999px;background:var(--red);transform:translateX(-50%)}.main-btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 23px;border-radius:999px;background:linear-gradient(135deg,#FF3030 0%,#D60000 52%,#980000 100%);color:#fff;font-weight:800;box-shadow:0 10px 24px rgba(214,0,0,.22)}.header-register{flex:0 0 auto}.channel-bar{background:#fff;border-top:1px solid rgba(20,28,40,.04);overflow-x:auto;white-space:nowrap;scrollbar-width:none}.channel-bar::-webkit-scrollbar{display:none}.channel-track{display:flex;gap:4px;padding:7px 0}.channel-bar a{display:inline-flex;align-items:center;color:var(--muted);padding:7px 12px;border-radius:999px;font-size:14px}.channel-bar a:hover,.channel-bar a.active{color:var(--red);background:rgba(214,0,0,.08)}main{min-height:60vh}.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:24px;background:var(--soft);box-shadow:var(--shadow);overflow:hidden;position:relative;height:clamp(260px,30vw,360px)}.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;pointer-events:none}.slide.active{opacity:1;pointer-events:auto}.banner-slider img{width:100%;height:100%;object-fit:contain;background:var(--soft)}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.92);box-shadow:0 8px 24px rgba(0,0,0,.12);font-size:24px;cursor:pointer;z-index:3}.slider-prev{left:18px}.slider-next{right:18px}.slider-dots{position:absolute;left:50%;bottom:15px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.slider-dot{width:9px;height:9px;border:0;border-radius:50%;background:rgba(255,255,255,.65);padding:0;cursor:pointer}.slider-dot.active{background:var(--red);transform:scale(1.2)}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.section{padding:58px 0}.section.soft{background:var(--soft)}.section-title{margin:0 0 12px;color:var(--red);font-size:clamp(26px,3vw,38px);line-height:1.25}.section-title:after{content:"";display:block;width:46px;height:4px;border-radius:999px;background:var(--red);margin-top:14px}.section-lead{max-width:820px;color:var(--muted);margin:0 0 28px}.hero-intro,.split{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.panel,.card,.zone-card,.info-card,.review-card,.faq-item{background:#fff;border:1px solid rgba(20,28,40,.08);box-shadow:var(--shadow);border-radius:20px}.panel{padding:30px}.panel p:last-child{margin-bottom:0}.content-img{width:100%;height:280px;object-fit:contain;background:var(--soft);border-radius:20px;border:1px solid rgba(20,28,40,.08)}.ticker{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:18px;overflow:hidden}.ticker article{background:#fff;padding:22px}.ticker strong{display:block;color:var(--red);margin-bottom:6px}.dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.dashboard article,.review-card,.faq-item{padding:24px}.dashboard h3,.product-card h3,.zone-card h3,.info-card h3{color:var(--red);margin-top:0}.horizontal-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(230px,1fr);gap:18px;overflow-x:auto;padding:4px 2px 18px;scroll-snap-type:x proximity}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product-card{background:#fff;border:1px solid rgba(20,28,40,.08);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.product-card img{width:100%;height:160px;object-fit:contain;background:var(--soft)}.product-card .body{padding:18px}.product-card p{color:var(--muted);font-size:14px;margin-bottom:0}.zone-card img,.info-card img{max-width:100%;width:100%;height:230px;object-fit:contain;background:var(--soft);border-radius:18px}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card p{color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item summary{cursor:pointer;font-weight:800;color:var(--red)}.notice{border-left:5px solid var(--red);background:#fff;padding:24px 26px;border-radius:0 18px 18px 0;box-shadow:var(--shadow)}.page-hero{padding:54px 0 26px}.page-hero h1{color:var(--red);font-size:clamp(32px,4vw,48px);margin:0 0 12px}.page-hero p{color:var(--muted);max-width:820px}.content-stack{display:grid;gap:24px;padding-bottom:60px}.content-block{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:center;background:#fff;border:1px solid rgba(20,28,40,.08);border-radius:22px;padding:26px;box-shadow:var(--shadow)}.content-block:nth-child(even){grid-template-columns:1.15fr .85fr}.content-block:nth-child(even) .content-img{order:2}.content-block h2{color:var(--red);margin-top:0}.floating-service{position:fixed;right:18px;top:42%;z-index:50;display:flex;flex-direction:column;gap:8px}.floating-service a{background:#fff;color:var(--text);border:1px solid rgba(20,28,40,.08);box-shadow:0 12px 30px rgba(24,32,46,.08);border-radius:999px;padding:9px 12px;font-size:13px}.floating-service a.register-link{background:linear-gradient(135deg,#FF3030 0%,#D60000 52%,#980000 100%);color:#fff}footer{background:#11151C;color:#E7ECF3;padding:48px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr .7fr 1.3fr;gap:36px}.footer-grid h2{font-size:17px;color:#fff}.footer-grid p{color:#bcc5d0}.footer-grid a:hover{color:#fff}.footer-logo img{max-height:48px}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.09);margin-top:34px;padding:18px;color:#9ea8b5;font-size:14px}.menu-toggle,.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}
@media(max-width:900px){.floating-service{display:none}.product-grid{grid-template-columns:repeat(2,1fr)}.ticker{grid-template-columns:repeat(2,1fr)}.dashboard,.reviews{grid-template-columns:1fr}.hero-intro,.split,.content-block,.content-block:nth-child(even){grid-template-columns:1fr}.content-block:nth-child(even) .content-img{order:0}.footer-grid{grid-template-columns:1fr 1fr}.nav-core{gap:14px}}
@media(max-width:680px){body{padding-bottom:64px}.shell{width:min(100% - 22px,1180px)}.header-inner{min-height:62px;gap:10px}.nav-core{display:none}.menu-toggle{display:inline-flex;width:40px;height:40px;border:0;background:transparent;font-size:25px;align-items:center;justify-content:center}.header-inner>.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:42px}.header-register{padding:9px 16px;font-size:14px;margin-left:auto}.channel-track{padding:6px 0}.channel-bar a{font-size:13px;padding:6px 10px}.banner-slider{margin:16px auto 24px;width:calc(100% - 22px);height:clamp(150px,47vw,210px);min-height:0;border-radius:16px}.slider-arrow{width:34px;height:34px;font-size:20px}.slider-prev{left:8px}.slider-next{right:8px}.section{padding:40px 0}.panel{padding:22px}.ticker{grid-template-columns:1fr}.product-grid{grid-template-columns:1fr 1fr;gap:12px}.product-card img{height:130px}.product-card .body{padding:14px}.content-img,.zone-card img,.info-card img{height:190px}.content-block{padding:17px;gap:17px}.footer-grid{grid-template-columns:1fr}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(17,21,28,.48);z-index:199;opacity:0;visibility:hidden;transition:.25s}.drawer-mask.show{opacity:1;visibility:visible}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:200;transform:translateX(-105%);transition:.28s;overflow-y:auto;box-shadow:20px 0 50px rgba(0,0,0,.18)}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:15px;border-bottom:1px solid var(--line)}.drawer-close{border:0;background:var(--soft);width:38px;height:38px;border-radius:50%;font-size:26px}.mobile-drawer nav{display:grid;padding:10px}.mobile-drawer nav a{padding:12px 14px;border-bottom:1px solid #eef1f5}.mobile-drawer nav a:hover{color:var(--red)}.menu-open{overflow:hidden}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:150;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;padding:12px 4px;font-weight:700;font-size:14px}.mobile-bottom-nav a:hover{color:var(--red)}}