*{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:1380px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}.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:9px 16px}.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 25px;font-weight:700;box-shadow:0 8px 20px rgba(201,0,0,.2)}.header-register{flex:0 0 auto}.menu-toggle{display:none;background:none;border:0;font-size:26px}.page-shell{max-width:1380px;margin:auto;display:grid;grid-template-columns:190px minmax(0,1fr);gap:28px;padding:24px 28px 60px}.side-category{position:sticky;top:96px;align-self:start;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:4px}.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)}.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 .5s}.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:3;border:0;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.85);font-size:26px;cursor:pointer}.prev{left:16px}.next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;z-index:3}.slider-dots button{width:10px;height:10px;border:0;border-radius:50%;background:rgba(31,35,41,.35);padding:0}.slider-dots button.active{background:#c90000}.hero,.section{margin:0 0 28px;padding:30px;background:#fff;border:1px solid rgba(201,0,0,.10);box-shadow:0 12px 30px rgba(18,28,45,.08);border-radius:18px}.hero-grid,.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center}h1,h2,h3,.section-title{color:#c90000;line-height:1.3}h1{font-size:36px;margin:0 0 14px}h2{font-size:27px;margin:0 0 16px}h3{font-size:19px;margin:0 0 10px}.muted{color:#5d6673}.content-img{width:100%;max-height:270px;object-fit:contain;background:#f7f8fa;border-radius:15px}.grid-4,.grid-3,.grid-2{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid rgba(201,0,0,.10);box-shadow:0 12px 30px rgba(18,28,45,.08);border-radius:18px;padding:20px}.product-card img,.card img{width:100%;height:170px;object-fit:contain;background:#f7f8fa;border-radius:12px;margin-bottom:14px}.summary-strip{background:#c90000;color:#fff;border-radius:18px;padding:26px}.summary-strip h2,.summary-strip h3{color:#fff}.summary-strip .grid-4>div{padding:15px;border-left:1px solid rgba(255,255,255,.28)}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.soft-link{padding:8px 14px;border-radius:999px;background:#f6f7f9;color:#c90000}.faq-item{padding:16px 0;border-bottom:1px solid #eceff3}.faq-item:last-child{border-bottom:0}.notice{padding:18px;border-radius:14px;background:#f6f7f9;border-left:4px solid #c90000}.mobile-drawer,.drawer-mask{display:none}footer{background:#11151c;color:#e7ecf3;padding:42px 28px 20px}footer a{display:block;color:#e7ecf3;margin:6px 0}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.5fr 1fr 1.3fr;gap:30px}.footer-brand img{max-height:48px;width:auto;margin-bottom:14px}.footer-note{max-width:1180px;margin:24px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);color:#aeb7c3}.mobile-bottom-nav{display:none}
@media(max-width:1100px){.page-shell{grid-template-columns:1fr}.side-category{display:none}.nav-core a{padding:8px 12px}.header-inner{padding:0 18px}}
@media(max-width:760px){body{padding-bottom:64px}.header-inner{min-height:64px;gap:10px}.nav-core{display:none}.menu-toggle{display:block}.logo{margin:auto}.logo img{max-height:42px}.header-register{padding:8px 16px}.page-shell{padding:16px 14px 36px}.banner-slider{height:190px;margin-bottom:20px;border-radius:16px}.slider-arrow{width:34px;height:34px;font-size:20px}.hero,.section{padding:20px;margin-bottom:18px}.hero-grid,.two-col,.grid-4,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}h1{font-size:28px}h2{font-size:23px}.product-card img,.card img{height:145px}.content-img{max-height:220px}.summary-strip .grid-4>div{border-left:0;border-bottom:1px solid rgba(255,255,255,.22)}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:1200;background:#fff;border-top:1px solid #e2e5e9}.mobile-bottom-nav a{text-align:center;padding:10px 4px;color:#5d6673;font-size:14px}.mobile-bottom-nav a:hover{color:#c90000}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(17,21,28,.45);z-index:1500;opacity:0;visibility:hidden;transition:.25s}.drawer-mask.show{opacity:1;visibility:visible}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:82%;max-width:320px;background:#fff;z-index:1600;transform:translateX(-100%);transition:.28s;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:15px;border-bottom:1px solid #eceff3}.drawer-head img{max-height:42px;width:auto}.drawer-head button{border:0;background:none;font-size:30px}.mobile-drawer nav{padding:10px}.mobile-drawer a{display:block;padding:11px 14px;border-radius:10px}.mobile-drawer a.active,.mobile-drawer a:hover{color:#c90000;background:rgba(201,0,0,.08)}body.drawer-open{overflow:hidden}}