*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#1F2329;font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.72}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.site-header{position:fixed;inset:0 0 auto;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,0,0,.08)}.header-inner{max-width:1220px;margin:auto;min-height:74px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap: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;padding:11px 22px;border-radius:999px;background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#fff;font-weight:800;box-shadow:0 8px 20px rgba(201,0,0,.22)}.register-btn{flex:0 0 auto}.menu-toggle{display:none;border:0;background:#F6F7F9;border-radius:10px;font-size:24px;padding:7px 10px}.site-shell{max-width:1420px;margin:0 auto;padding:98px 22px 0;display:grid;grid-template-columns:210px minmax(0,1180px);gap:24px;justify-content:center}.side-category{position:sticky;top:96px;height:max-content;background:#fff;border:1px solid rgba(201,0,0,.10);border-radius:18px;box-shadow:0 12px 30px rgba(18,28,45,.08);padding:12px}.side-category nav{display:grid;gap:5px}.side-category a{padding:8px 12px;color:#1F2329;border-radius:12px;font-size:14px}.side-category a:hover,.side-category a.active{color:#C90000;background:rgba(201,0,0,.08);font-weight:700}.site-main{min-width:0}.banner-slider{margin:0 auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:0 12px 30px rgba(18,28,45,.08);overflow:hidden;position:relative;height:330px}.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s}.slide.active{opacity:1}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:4;border:0;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.9);font-size:24px;cursor:pointer}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-dots{position:absolute;z-index:4;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px}.slider-dots button{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:#bbb}.slider-dots button.active{background:#C90000}.section{padding:30px 0}.section.alt{background:#F6F7F9;margin-inline:-18px;padding-inline:18px;border-radius:24px}.section-title,h1,h2,h3{color:#C90000}h1{font-size:38px;line-height:1.25;margin:0 0 14px}h2{font-size:28px;margin:0 0 10px}.lead{color:#5D6673;font-size:18px;max-width:820px}.hero-card,.card,.zone-card,.info-card,.review-card,.faq-item{background:#fff;border:1px solid rgba(201,0,0,.10);box-shadow:0 12px 30px rgba(18,28,45,.08);border-radius:18px}.hero-card{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;padding:28px;align-items:center}.hero-card img{width:100%;max-height:280px;object-fit:contain;background:#F7F8FA;border-radius:14px}.grid-2,.grid-3,.grid-4{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.zone-card,.info-card,.review-card{padding:20px}.product-card img,.zone-card img,.info-card img,.content-img{width:100%;height:170px;object-fit:contain;background:#F7F8FA;border-radius:12px;margin-bottom:14px}.data-strip{background:#C90000;color:#fff;border-radius:22px;padding:22px}.data-strip h3{color:#fff}.data-strip .grid-4>div{padding:8px 16px;border-left:1px solid rgba(255,255,255,.3)}.pill-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.pill-links a{background:#F6F7F9;padding:9px 14px;border-radius:999px}.notice{border-left:4px solid #C90000;background:#FFF7F7;padding:16px 18px;border-radius:0 14px 14px 0}.faq-list{display:grid;gap:14px}.faq-item{padding:18px}.site-footer{margin-top:48px;background:#11151C;color:#E7ECF3}.footer-grid{max-width:1220px;margin:auto;padding:42px 20px;display:grid;grid-template-columns:1.5fr .6fr 1.3fr;gap:36px}.footer-logo{max-height:50px;width:auto;background:#fff;border-radius:10px;padding:4px;margin-bottom:14px}.site-footer h3{color:#fff}.site-footer a{display:block;color:#E7ECF3;margin:6px 0}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.1);padding:14px}.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}.inner-hero{margin-bottom:28px}.content-copy p{color:#5D6673}.steps{counter-reset:s}.steps .card:before{counter-increment:s;content:counter(s);display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#C90000;color:#fff;font-weight:800;margin-bottom:10px}@media(max-width:1100px){.site-shell{grid-template-columns:1fr;max-width:1180px}.side-category{display:none}}@media(max-width:760px){body{padding-bottom:66px}.header-inner{min-height:64px;padding:0 12px;gap:10px}.menu-toggle{display:block}.logo img{max-height:42px}.nav-core{display:none}.main-btn{padding:9px 16px}.site-shell{padding:82px 12px 0}.banner-slider{height:190px;border-radius:14px}.slider-arrow{width:34px;height:34px}.hero-card{grid-template-columns:1fr;padding:18px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section{padding:22px 0}.section.alt{margin-inline:-4px;padding-inline:12px}h1{font-size:29px}h2{font-size:24px}.footer-grid{grid-template-columns:1fr;padding:34px 16px}.mobile-bottom-nav{display:grid;position:fixed;z-index:45;bottom:0;left:0;right:0;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #ddd}.mobile-bottom-nav a{text-align:center;padding:12px 4px;font-size:14px}.mobile-drawer{display:block;position:fixed;z-index:70;top:0;bottom:0;left:0;width:82%;max-width:320px;background:#fff;transform:translateX(-105%);transition:.25s;overflow:auto;box-shadow:12px 0 30px rgba(0,0,0,.18)}.mobile-drawer.open{transform:translateX(0)}.drawer-mask{position:fixed;display:block;z-index:65;inset:0;background:rgba(0,0,0,.4);opacity:0;visibility:hidden;transition:.2s}.drawer-mask.show{opacity:1;visibility:visible}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid #eee}.drawer-head img{max-height:44px;width:auto}.drawer-close{border:0;background:#F6F7F9;border-radius:10px;font-size:28px}.mobile-drawer nav{display:grid;padding:12px}.mobile-drawer nav a{padding:11px 12px;border-radius:10px}.mobile-drawer nav a.active{background:rgba(201,0,0,.08);color:#C90000;font-weight:700}.drawer-open{overflow:hidden}.product-card img,.zone-card img,.info-card img,.content-img{height:150px}.data-strip .grid-4>div{border-left:0;border-bottom:1px solid rgba(255,255,255,.25)}}