*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#1f2329;font:16px/1.75 Arial,"Microsoft YaHei",sans-serif}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,0,0,.08)}.header-inner{max-width:1280px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;padding:0 24px}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;gap:10px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:#1f2329;background:#f6f7f9;border-radius:999px;padding:10px 16px;font-weight:700}.nav-core a:hover,.nav-core a.active{color:#c90000;background:rgba(201,0,0,.08)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f12b2b 0%,#c90000 55%,#a80000 100%);color:#fff;border-radius:999px;padding:11px 22px;font-weight:700;box-shadow:0 8px 18px rgba(201,0,0,.2)}.header-register{flex:0 0 auto}.menu-btn{display:none;border:0;background:#f6f7f9;border-radius:10px;font-size:22px;padding:8px 12px}.site-shell{max-width:1380px;margin:auto;display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;padding:24px}.side-category{position:sticky;top:96px;align-self:start;background:#fff;border:1px solid rgba(201,0,0,.1);border-radius:18px;box-shadow:0 12px 30px rgba(18,28,45,.08);padding:12px}.side-category nav{display:grid;gap:4px}.side-category a{padding:9px 12px;border-radius:12px;color:#1f2329}.side-category a:hover,.side-category a.active{color:#c90000;background:rgba(201,0,0,.08)}.main-content{min-width:0}.banner-slider{margin:0 auto 34px;border-radius:24px;background:#f7f8fa;box-shadow:0 12px 30px rgba(18,28,45,.08);overflow:hidden;position:relative;height:330px}.slides{height:100%}.slide{display:none;width:100%;height:100%;object-fit:contain;background:#f7f8fa}.slide.active{display:block}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.9);font-size:28px;cursor:pointer;box-shadow:0 5px 16px rgba(0,0,0,.12)}.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px}.slider-dots button{width:10px;height:10px;border:0;border-radius:50%;background:#d9dde3;padding:0}.slider-dots button.active{background:#c90000}.section{margin:0 0 34px;padding:30px;border-radius:22px;background:#fff;border:1px solid rgba(201,0,0,.1);box-shadow:0 12px 30px rgba(18,28,45,.08)}.section.alt{background:#f6f7f9}.section h1,.section h2,.section h3,.section-title{color:#c90000;line-height:1.3}.section h1{font-size:34px;margin-top:0}.section h2{font-size:27px}.lead{font-size:18px;color:#5d6673}.grid-2,.grid-3,.grid-4{display:grid;gap:20px}.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,.product-card{background:#fff;border:1px solid rgba(201,0,0,.1);box-shadow:0 12px 30px rgba(18,28,45,.08);border-radius:18px;padding:18px}.card img,.zone-card img,.info-card img,.content-img{width:100%;max-height:230px;object-fit:contain;background:#f7f8fa;border-radius:14px}.product-card img{width:100%;height:170px;object-fit:contain;background:#f7f8fa;border-radius:14px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:linear-gradient(135deg,#c90000,#940000);padding:22px;border-radius:22px;color:#fff;margin-bottom:34px}.stat{padding:18px;border:1px solid rgba(255,255,255,.22);border-radius:16px;background:rgba(255,255,255,.08)}.stat h3{color:#fff;margin:0 0 8px}.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.quick-links a{padding:9px 14px;border-radius:999px;background:#f6f7f9;color:#c90000;font-weight:700}.split{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}.faq-item{padding:16px 0;border-bottom:1px solid #e9ebef}.faq-item:last-child{border-bottom:0}.site-footer{background:#11151c;color:#e7ecf3;padding:42px 24px 90px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:32px}.footer-brand img{max-height:48px;width:auto;margin-bottom:14px}.site-footer h3{color:#fff}.site-footer a{display:block;color:#e7ecf3;margin:5px 0}.footer-note{max-width:1180px;margin:28px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#aeb6c2}.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}.inner-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}.inner-hero img{width:100%;height:260px;object-fit:contain;background:#f7f8fa;border-radius:18px}.notice{padding:18px;border-left:4px solid #c90000;background:#fff5f5;border-radius:12px;color:#5d6673}@media(max-width:1100px){.site-shell{grid-template-columns:1fr}.side-category{display:none}.nav-core{display:none}.menu-btn{display:block}.header-inner{padding:0 14px}.banner-slider{height:280px}.grid-4{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.mobile-drawer{display:block;position:fixed;z-index:1200;top:0;left:0;height:100vh;width:84%;max-width:320px;background:#fff;transform:translateX(-105%);transition:.25s;padding:16px;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-mask{display:block;position:fixed;z-index:1150;inset:0;background:rgba(0,0,0,.42);opacity:0;pointer-events:none;transition:.25s}.drawer-mask.show{opacity:1;pointer-events:auto}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid #eceff3}.drawer-head img{max-height:42px}.drawer-head button{border:0;background:#f6f7f9;border-radius:10px;font-size:28px}.mobile-drawer nav{display:grid;gap:4px;padding-top:12px}.mobile-drawer a{padding:10px 12px;border-radius:10px}.mobile-drawer a.active{background:rgba(201,0,0,.08);color:#c90000}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;z-index:1100;left:0;right:0;bottom:0;background:#fff;border-top:1px solid #e5e7eb}.mobile-bottom-nav a{text-align:center;padding:12px 4px;font-size:14px}.no-scroll{overflow:hidden}}@media(max-width:720px){.site-shell{padding:14px}.section{padding:20px;margin-bottom:22px}.section h1{font-size:28px}.section h2{font-size:23px}.banner-slider{height:190px;margin-bottom:22px;border-radius:16px}.grid-2,.grid-3,.grid-4,.split,.inner-hero,.footer-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.product-card img{height:145px}.card img,.zone-card img,.info-card img,.content-img,.inner-hero img{max-height:200px;height:auto}.site-footer{padding-bottom:100px}.header-register{padding:9px 16px}.logo img{max-height:42px}}