:root{--red:#c90000;--red2:#a80000;--text:#1f2329;--muted:#5d6673;--soft:#f6f7f9;--line:rgba(201,0,0,.12);--shadow:0 12px 30px rgba(18,28,45,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.site-header{position:sticky;top:0;z-index:80;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 img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;gap:10px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{padding:9px 16px;background:var(--soft);border-radius:999px;font-weight:700}.nav-core a:hover,.nav-core a.active{color:var(--red);background:rgba(201,0,0,.08)}.main-btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 22px;border-radius:999px;color:#fff;background:linear-gradient(180deg,#f12b2b 0%,#c90000 55%,#a80000 100%);font-weight:800;box-shadow:0 8px 18px rgba(201,0,0,.2)}.register-btn{flex:0 0 auto}.menu-toggle{display:none;border:0;background:transparent;font-size:26px}.page-shell{max-width:1380px;margin:0 auto;padding:22px 24px 50px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:26px}.side-category{position:sticky;top:96px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px;max-height:calc(100vh - 118px);overflow:auto}.side-category nav{display:grid;gap:5px}.side-category a{padding:8px 12px;border-radius:11px;font-size:14px}.side-category a:hover,.side-category a.active{color:var(--red);background:rgba(201,0,0,.08)}.page-main{min-width:0}.banner-slider{position:relative;overflow:hidden;border-radius:22px;background:#f7f8fa;box-shadow:var(--shadow);height:clamp(260px,28vw,360px);margin-bottom:34px}.slides{height:100%}.slide{display:none;width:100%;height:100%}.slide.active{display:block}.slide img{width:100%;height:100%;object-fit:contain;background:#f7f8fa}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:0;background:rgba(17,21,28,.68);color:white;font-size:26px;cursor:pointer}.slider-arrow.prev{left:14px}.slider-arrow.next{right:14px}.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px}.slider-dot{width:9px;height:9px;border:0;border-radius:50%;background:rgba(255,255,255,.6)}.slider-dot.active{background:#c90000}.section{margin:0 0 28px;padding:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px}.section.alt{background:#f6f7f9}.section-title,h1,h2,h3{color:var(--red);line-height:1.35}h1{font-size:clamp(30px,4vw,46px);margin:0 0 14px}h2{font-size:clamp(24px,3vw,32px);margin:0 0 14px}h3{margin:0 0 8px}.lead{font-size:18px;color:var(--muted)}.grid-2,.grid-3,.grid-4{display:grid;gap:18px}.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,.product-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;overflow:hidden;padding:18px}.product-card{padding:0}.product-card img{width:100%;height:170px;object-fit:contain;background:#f7f8fa}.product-card .body{padding:16px}.content-img,.zone-card img,.info-card img{width:100%;max-height:250px;object-fit:contain;background:#f7f8fa;border-radius:14px}.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:24px;align-items:center}.summary-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;background:linear-gradient(135deg,#d31212,#9b0000);padding:20px;border-radius:20px;color:white;box-shadow:var(--shadow)}.summary-strip article{padding:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:15px}.summary-strip h3{color:#fff}.tag-links{display:flex;flex-wrap:wrap;gap:10px}.tag-links a{padding:8px 13px;background:#f6f7f9;border-radius:999px}.notice{padding:18px;border-left:4px solid var(--red);background:#fff5f5;border-radius:12px}.faq details{border-bottom:1px solid #e7e9ed;padding:14px 0}.faq summary{font-weight:800;color:#2a2f36;cursor:pointer}.site-footer{background:#11151c;color:#e7ecf3;padding:44px 24px 22px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-brand img{max-height:48px;width:auto;margin-bottom:14px}.site-footer h3{color:#fff}.site-footer section>a{display:block;margin:7px 0;color:#cfd5de}.legal-note{max-width:1180px;margin:28px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:14px;color:#b8c0cb}.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}
@media(max-width:1100px){.page-shell{grid-template-columns:1fr}.side-category{display:none}.nav-core{display:none}.menu-toggle{display:block}.header-inner{gap:12px}.logo{margin-right:auto}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:white;z-index:120;transform:translateX(-105%);transition:.25s;padding:14px;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:110;opacity:0;pointer-events:none;transition:.25s}.drawer-mask.show{opacity:1;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:8px 4px 14px;border-bottom:1px solid #eee}.drawer-head img{max-height:45px}.drawer-close{border:0;background:transparent;font-size:34px}.mobile-drawer nav{display:grid;gap:4px;padding-top:12px}.mobile-drawer nav a{padding:10px 12px;border-radius:10px}.mobile-drawer nav a.active{color:var(--red);background:rgba(201,0,0,.08)}body.drawer-open{overflow:hidden}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:90;background:white;border-top:1px solid #ddd}.mobile-bottom-nav a{text-align:center;padding:10px 4px;font-size:14px}.page-shell{padding-bottom:88px}}
@media(max-width:760px){.header-inner{min-height:64px;padding:0 14px}.logo img{max-height:42px}.main-btn{padding:9px 15px}.page-shell{padding:14px 14px 84px}.banner-slider{height:clamp(150px,44vw,210px);margin-bottom:20px;border-radius:16px}.section{padding:20px;margin-bottom:18px}.grid-2,.grid-3,.grid-4,.split,.summary-strip,.footer-grid{grid-template-columns:1fr}.product-card img{height:145px}.content-img,.zone-card img,.info-card img{max-height:210px}.slider-arrow{width:38px;height:38px}.site-footer{padding-bottom:80px}}