*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:#1F2329;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.site-header{position:fixed;inset:0 0 auto;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:1380px;margin:auto;min-height:74px;padding:0 24px;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{display:flex;align-items:center;justify-content: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;border-radius:999px;padding:11px 22px;background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#fff;font-weight:800;box-shadow:0 8px 20px rgba(201,0,0,.2)}.header-register{flex:0 0 auto}.menu-toggle{display:none;border:0;background:transparent;width:38px;height:38px;padding:8px}.menu-toggle span{display:block;height:2px;background:#1F2329;margin:5px 0}.site-shell{max-width:1380px;margin:0 auto;padding:98px 24px 40px;display:grid;grid-template-columns:210px minmax(0,1fr);gap:28px}.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;max-height:calc(100vh - 116px);overflow:auto}.side-category a{display:block;color:#1F2329;border-radius:12px;padding:9px 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{max-width:1180px;margin:0 auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:0 12px 30px rgba(18,28,45,.08);overflow:hidden;position:relative;height:clamp(260px,28vw,360px)}.slides,.slide{height:100%}.slide{display:none}.slide.active{display:block}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(17,21,28,.55);color:#fff;font-size:24px;cursor:pointer}.banner-arrow.prev{left:16px}.banner-arrow.next{right:16px}.banner-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px}.banner-dots button{width:9px;height:9px;border-radius:50%;border:0;padding:0;background:rgba(255,255,255,.55);cursor:pointer}.banner-dots button.active{background:#C90000}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.section{padding:32px 0}.section.alt{background:#F6F7F9;border-radius:24px;padding:32px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-title,h1,h2,h3{color:#C90000;margin-top:0}.section-title{font-size:30px;margin-bottom:6px}.lead{font-size:17px;color:#5D6673}.grid{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{background:#fff;border:1px solid rgba(201,0,0,.1);box-shadow:0 12px 30px rgba(18,28,45,.08);border-radius:18px;padding:20px}.card p,.zone-card p,.info-card p,.review-card p{color:#5D6673;margin-bottom:0}.content-img,.zone-card img,.info-card img{width:100%;height:auto;max-height:230px;object-fit:contain;background:#F7F8FA;border-radius:14px;margin-bottom:16px}.product-card{overflow:hidden;padding:0}.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA}.product-card .card-body{padding:18px}.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:#C90000;color:#fff;border-radius:22px;padding:22px}.data-strip article{padding:4px 14px;border-right:1px solid rgba(255,255,255,.25)}.data-strip article:last-child{border-right:0}.data-strip h3{color:#fff;margin:0 0 6px}.data-strip p{margin:0;color:rgba(255,255,255,.84);font-size:14px}.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.hero-inner img{width:100%;max-height:290px;object-fit:contain;background:#F7F8FA;border-radius:18px}.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.quick-links a{background:#F6F7F9;border-radius:999px;padding:8px 14px;color:#5D6673}.quick-links a:hover{color:#C90000;background:rgba(201,0,0,.08)}.page-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;background:#F6F7F9;border-radius:24px;padding:34px;margin-bottom:26px}.page-hero h1{font-size:38px;margin-bottom:12px}.page-hero img{width:100%;max-height:280px;object-fit:contain;background:#fff;border-radius:18px}.notice{border-left:4px solid #C90000;background:#F6F7F9;padding:18px;border-radius:0 16px 16px 0;color:#5D6673}.faq details{background:#fff;border:1px solid rgba(201,0,0,.1);border-radius:14px;padding:14px 16px;margin-bottom:12px}.faq summary{cursor:pointer;font-weight:700;color:#1F2329}.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:7px 0}.site-footer p{color:#AEB7C4}.footer-bottom{max-width:1180px;margin:28px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);color:#8A93A0}.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}
@media(max-width:1100px){.site-shell{grid-template-columns:1fr}.side-category{display:none}.nav-core{gap:6px}.nav-core a{padding:9px 12px}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){body{padding-bottom:68px}.header-inner{min-height:64px;padding:0 12px;gap:10px}.menu-toggle{display:block}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:42px}.nav-core{display:none}.header-register{padding:8px 15px;font-size:14px;margin-left:auto}.site-shell{padding:82px 14px 24px}.banner-slider{height:clamp(150px,48vw,210px);border-radius:16px;margin-bottom:22px}.banner-arrow{width:34px;height:34px;font-size:20px}.banner-arrow.prev{left:8px}.banner-arrow.next{right:8px}.section{padding:24px 0}.section.alt{padding:22px 16px;border-radius:18px}.section-title{font-size:25px}.grid-2,.grid-3,.grid-4,.hero-inner,.page-hero,.footer-grid{grid-template-columns:1fr}.data-strip{grid-template-columns:1fr 1fr;padding:16px}.data-strip article{border-right:0;border-bottom:1px solid rgba(255,255,255,.2);padding:10px}.product-card img{height:145px}.content-img,.zone-card img,.info-card img{max-height:200px}.page-hero{padding:22px 16px}.page-hero h1{font-size:30px}.mobile-drawer{display:block;position:fixed;z-index:1200;inset:0 auto 0 0;width:84%;max-width:320px;background:#fff;transform:translateX(-105%);transition:.25s ease;overflow:auto;box-shadow:20px 0 45px rgba(0,0,0,.16)}.mobile-drawer.open{transform:translateX(0)}.drawer-mask{position:fixed;z-index:1100;inset:0;background:rgba(17,21,28,.46)}.drawer-mask.show{display:block}.drawer-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid #eee}.drawer-head img{max-height:44px;width:auto}.drawer-close{border:0;background:#F6F7F9;width:38px;height:38px;border-radius:50%;font-size:25px}.mobile-drawer nav{padding:12px}.mobile-drawer nav a{display:block;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}.mobile-bottom-nav{display:grid;position:fixed;z-index:1000;left:0;right:0;bottom:0;grid-template-columns:repeat(4,1fr);height:60px;background:#fff;border-top:1px solid #E7E9ED;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;font-size:14px;color:#5D6673}.mobile-bottom-nav a.active{color:#C90000;font-weight:800}.site-footer{padding-bottom:92px}}