:root{--brand:#c22e1d;--brand2:#ff4419;--text:#243447;--muted:#66788A;--soft:#8A9AAF;--bg:#E6EBF2;--nav:#F5F7FB;--white:#fff;--line:rgba(194,46,29,.16);--shadow:0 14px 36px rgba(56,92,138,.10);}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}main{padding-top:86px}.site-header{position:fixed;top:0;left:0;right:0;background:rgba(245,247,251,.92);backdrop-filter:blur(10px);z-index:9999;border-bottom:1px solid rgba(194,46,29,.12)}.header-inner{max-width:1200px;margin:0 auto;min-height:76px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{flex:0 0 auto}.logo img{max-height:52px;width:auto}.nav-core{flex:1 1 auto;display:flex;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{font-size:15px;color:#4E5F7A;font-weight:700;padding:24px 0}.nav-core a.active,.nav-core a:hover{color:var(--brand)}.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px}.all-menu-btn{border:1px solid rgba(194,46,29,.18);background:rgba(255,255,255,.74);color:var(--brand);border-radius:999px;padding:10px 16px;font-weight:800;cursor:pointer}.main-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(180deg,#c43e1f 0%,#ff4419 35%,#f7390a 100%);color:#fff;border-radius:999px;padding:11px 22px;font-weight:900;border:0;box-shadow:0 10px 24px rgba(194,46,29,.22)}.main-btn:hover{filter:brightness(.96);transform:translateY(-1px)}.header-register{padding:9px 18px}.mobile-menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:42px;height:42px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.mobile-menu-btn span{width:19px;height:2px;background:var(--brand);border-radius:2px}.mega-mask,.drawer-mask{position:fixed;inset:0;background:rgba(10,20,32,.28);z-index:9998}.mega-panel{position:fixed;top:76px;left:50%;transform:translateX(-50%);width:min(1120px,calc(100% - 32px));background:rgba(255,255,255,.96);border:1px solid rgba(194,46,29,.16);border-radius:24px;box-shadow:0 24px 60px rgba(56,92,138,.18);z-index:10000;padding:24px}.mega-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.mega-head strong{color:var(--brand);font-size:22px}.mega-head button,.drawer-top button{border:0;background:#EEF2F7;color:var(--brand);font-size:26px;width:40px;height:40px;border-radius:50%;cursor:pointer}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.mega-group{background:#F5F7FB;border:1px solid var(--line);border-radius:18px;padding:16px}.mega-group h3{margin:0 0 12px;color:var(--brand)}.mega-group a{display:block;background:#fff;border:1px solid rgba(194,46,29,.10);border-radius:14px;padding:11px 12px;margin-top:10px}.mega-group b{display:block;color:#243447}.mega-group span{display:block;color:var(--muted);font-size:13px}.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:min(86vw,320px);background:#fff;z-index:10001;transform:translateX(-105%);transition:.25s ease;box-shadow:18px 0 50px rgba(20,35,55,.18);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #EEF2F7}.drawer-top img{max-height:48px}.drawer-nav{padding:12px}.drawer-nav a{display:block;padding:12px 14px;border-radius:12px;color:#4E5F7A;font-weight:800}.drawer-nav a:hover{background:#F5F7FB;color:var(--brand)}.no-scroll{overflow:hidden}.wrap{max-width:1200px;margin:0 auto;padding:0 18px}.section{padding:44px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px}.section-title,h1,h2,h3{color:var(--brand);line-height:1.25}.section-title{font-size:30px;margin:0}.section-kicker{display:inline-flex;color:var(--brand);background:#fff1ee;border:1px solid rgba(194,46,29,.16);border-radius:999px;padding:6px 12px;font-weight:900;margin-bottom:10px}.lead{font-size:17px;color:var(--muted);max-width:820px}.banner-slider{max-width:1200px;height:420px;margin:28px auto 36px;border-radius:22px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative;z-index:1}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}.slide{position:absolute;inset:0;opacity:0;transition:opacity .4s}.slide.active{opacity:1}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.82);color:var(--brand);font-size:24px;cursor:pointer;box-shadow:0 8px 22px rgba(0,0,0,.12)}.prev{left:18px}.next{right:18px}.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:9px}.dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(194,46,29,.22);cursor:pointer}.dot.active{background:var(--brand)}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.card,.zone-card,.info-card,.review-card{background:rgba(255,255,255,.92);border:1px solid rgba(194,46,29,.16);box-shadow:var(--shadow);border-radius:22px}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{padding:24px}.card h3{margin:0 0 10px}.card p{margin:0;color:var(--muted)}.tag{display:inline-flex;color:var(--brand);background:#fff1ee;border-radius:999px;padding:5px 10px;font-size:13px;font-weight:900;margin-bottom:12px}.link{display:inline-flex;margin-top:14px;color:var(--brand);font-weight:900}.feature{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}.feature.reverse{grid-template-columns:.95fr 1.05fr}.media-box{background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:var(--shadow)}.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}.media-box img{width:100%;max-height:360px;object-fit:contain;background:#fff;border-radius:18px}.list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.list li{padding:12px 14px;background:#F5F7FB;border:1px solid var(--line);border-radius:14px;color:var(--muted)}.product-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{overflow:hidden}.product-card img{width:100%;height:190px;object-fit:contain;background:#fff}.product-card .body{padding:18px}.notice{background:#fff1ee;border:1px solid rgba(194,46,29,.18);border-radius:24px;padding:24px;color:#5a2d27}.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 10px 24px rgba(56,92,138,.06)}.faq-item h3{margin:0 0 8px;font-size:18px}.faq-item p{margin:0;color:var(--muted)}.page-hero{padding:64px 0 34px;background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(230,235,242,.55))}.page-hero .box{background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}.page-hero h1{font-size:38px;margin:8px 0 12px}.content-section{padding:38px 0}.inner-layout{display:grid;grid-template-columns:1fr 330px;gap:22px}.article{display:grid;gap:18px}.info-card{padding:22px}.info-card h2,.info-card h3{margin-top:0}.side-stack{display:grid;gap:18px;align-self:start}.review-card{padding:20px;color:var(--muted)}.cta{background:#243447;color:#EAF3FF;border-radius:28px;padding:32px;text-align:center}.cta h2{color:#fff}.site-footer{background:#243447;color:#EAF3FF;margin-top:44px}.footer-inner{max-width:1200px;margin:0 auto;padding:42px 18px}.footer-brand{display:grid;grid-template-columns:180px 1fr;gap:24px;align-items:center}.footer-brand img{max-height:58px}.footer-brand p{color:#cfe0f4;margin:0}.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:28px 0}.footer-cols h3{color:#fff}.footer-cols a{display:block;color:#EAF3FF;margin:8px 0}.footer-note{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;color:#cfe0f4;font-size:14px}.quick-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.quick-row a{padding:10px 14px;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--brand);font-weight:900}.steps{counter-reset:s;display:grid;gap:14px}.steps li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;color:var(--muted)}.steps li:before{counter-increment:s;content:counter(s);display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;background:var(--brand);color:#fff;border-radius:50%;margin-right:10px;font-weight:900}
@media(max-width:980px){main{padding-top:72px}.header-inner{min-height:68px;gap:8px}.mobile-menu-btn{display:flex}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:42px}.nav-core,.all-menu-btn{display:none}.header-action{margin-left:auto}.header-register{padding:8px 14px;font-size:14px}.mega-panel{display:none}.banner-slider{height:300px;margin-top:18px}.grid-3,.grid-4,.grid-2,.product-matrix,.feature,.feature.reverse,.inner-layout{grid-template-columns:1fr}.section-head{display:block}.footer-brand,.footer-cols{grid-template-columns:1fr}.page-hero h1{font-size:30px}.page-hero .box{padding:24px}.media-box img{max-height:280px}}
@media(max-width:560px){.wrap{padding:0 14px}.section{padding:30px 0}.banner-slider{height:210px;border-radius:16px}.slider-arrow{width:34px;height:34px;font-size:20px}.prev{left:10px}.next{right:10px}.section-title{font-size:24px}.card{padding:18px}.product-card img{height:150px}.quick-row a{width:100%;text-align:center}.cta{padding:24px 16px}.mega-mask{display:none}}