:root{--bg:#F4F5F7;--paper:#fff;--soft:#EEF1F5;--line:#DDE2EA;--red:#D60000;--deep:#A90000;--text:#1D222B;--muted:#5B6472;--subtle:#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","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{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{flex:0 0 auto}.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{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:99px;background:var(--red);transform:translateX(-50%)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#FF3030 0%,#D60000 52%,#980000 100%);color:#fff;border-radius:999px;padding:11px 24px;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,.05);border-bottom:1px solid rgba(20,28,40,.08);overflow-x:auto;white-space:nowrap}.channel-inner{display:flex;gap:4px;padding:7px 0}.channel-bar a{display:inline-flex;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)}.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 rgba(20,28,40,.08);box-shadow:0 12px 30px rgba(24,32,46,.08);border-radius:999px;padding:9px 12px;font-size:14px}.floating-service .register-link{background:linear-gradient(135deg,#FF3030,#D60000 52%,#980000);color:#fff}.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)}.slides,.slide{height:100%}.slide{display:none}.slide.active{display:block}.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,.88);font-size:25px;cursor:pointer}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}.slider-dot{width:9px;height:9px;border-radius:50%;border:0;background:rgba(29,34,43,.28);cursor:pointer}.slider-dot.active{background:var(--red)}main{padding-bottom:40px}.section{padding:54px 0}.section.soft{background:var(--soft)}.section-title{margin:0 0 18px;color:var(--red);font-size:clamp(26px,3vw,38px);line-height:1.25}.section-title:after{content:"";display:block;width:54px;height:4px;border-radius:99px;background:var(--red);margin-top:12px}.lead{font-size:18px;color:var(--muted);max-width:850px}.intro-grid,.split{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;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:32px}.content-img{width:100%;height:260px;object-fit:contain;background:var(--soft);border-radius:20px}.news-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}.news-item{background:#fff;padding:20px}.news-item strong{display:block;color:var(--red);margin-bottom:6px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card,.zone-card,.info-card,.review-card{padding:24px}.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 h3,.card h3,.zone-card h3{margin:0 0 8px;color:var(--red)}.text-link{color:var(--red);font-weight:700}.review-card p{margin:0;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{padding:22px}.faq-item h3{margin:0 0 8px;color:var(--red)}.notice{border-left:4px solid var(--red);background:#fff;padding:24px;border-radius:0 18px 18px 0;box-shadow:var(--shadow)}.page-hero{padding:48px 0 24px}.page-hero .hero-box{display:grid;grid-template-columns:1fr .8fr;gap:32px;align-items:center;background:#fff;border-radius:24px;padding:34px;box-shadow:var(--shadow)}.page-hero h1{color:var(--red);font-size:clamp(30px,4vw,48px);margin:0 0 14px}.page-hero img{height:280px;width:100%;object-fit:contain;background:var(--soft);border-radius:18px}.site-footer{background:#11151C;color:#E7ECF3;padding:48px 0 90px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}.footer-grid h3{color:#fff}.footer-grid a{display:block;color:#cfd6df;margin:7px 0}.footer-brand img{max-height:48px;width:auto;margin-bottom:16px}.legal-note{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:20px;color:#b7c0cb;font-size:14px}.menu-toggle,.mobile-drawer,.drawer-overlay,.mobile-bottom-nav{display:none}
@media(max-width:980px){.floating-service{display:none}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}.news-strip{grid-template-columns:repeat(2,1fr)}.intro-grid,.split,.page-hero .hero-box{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.nav-core{gap:14px}}
@media(max-width:720px){body{padding-bottom:68px}.header-inner{min-height:62px;gap:10px}.nav-core{display:none}.menu-toggle{display:flex;flex-direction:column;gap:4px;width:42px;height:42px;align-items:center;justify-content:center;border:0;background:transparent}.menu-toggle span{width:22px;height:2px;background:var(--text)}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:40px}.header-register{padding:9px 16px}.channel-inner{width:max-content;min-width:100%;padding-left:16px;padding-right:16px}.banner-slider{width:calc(100% - 24px);height:clamp(150px,52vw,210px);margin:16px auto 24px;border-radius:16px}.slider-arrow{width:34px;height:34px}.section{padding:38px 0}.panel{padding:22px}.grid-4,.grid-2,.news-strip{grid-template-columns:1fr}.product-card img{height:145px}.content-img,.page-hero img{height:210px}.page-hero{padding-top:28px}.page-hero .hero-box{padding:22px}.footer-grid{grid-template-columns:1fr}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;padding:13px 4px;font-weight:700}.mobile-bottom-nav a:hover{color:var(--red)}.drawer-overlay{display:block;position:fixed;inset:0;background:rgba(17,21,28,.46);z-index:110;opacity:0;visibility:hidden;transition:.25s}.drawer-overlay.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:120;transform:translateX(-101%);transition:.28s;overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--line)}.drawer-head img{max-height:42px;width:auto}.drawer-close{border:0;background:var(--soft);width:36px;height:36px;border-radius:50%;font-size:24px}.drawer-nav{display:grid;padding:12px}.drawer-nav a{padding:12px 14px;border-bottom:1px solid #f0f2f5}.drawer-open{overflow:hidden}.site-footer{padding-bottom:110px}}