:root{--red:#C90000;--red-dark:#A80000;--text:#1F2329;--muted:#5D6673;--soft:#8A93A0;--bg:#fff;--gray:#F6F7F9;--gray2:#F1F3F6;--line:rgba(201,0,0,.12);--shadow:0 12px 30px rgba(18,28,45,.08);--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}
.site-header{position:fixed;top:0;left:0;right: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;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;gap:10px;white-space:nowrap;flex-wrap:nowrap;margin-left:auto}.nav-core a{color:var(--text);background:var(--gray);border-radius:999px;padding:10px 16px;font-weight:700;font-size:14px}.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;background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#fff;border:0;border-radius:999px;padding:11px 24px;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:40px;padding:8px}.menu-toggle span{display:block;height:2px;background:var(--text);margin:5px 0}
.site-shell{max-width:1380px;margin:0 auto;padding:98px 24px 40px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px}.site-main{min-width:0}.side-category{position:sticky;top:96px;align-self:start;background:#fff;border:1px solid rgba(201,0,0,.10);border-radius:18px;box-shadow:var(--shadow);padding:14px;max-height:calc(100vh - 118px);overflow:auto}.side-title{padding:8px 10px;color:var(--red);font-weight:900;border-bottom:1px solid var(--line);margin-bottom:8px}.side-category a{display:block;color:var(--text);border-radius:12px;padding:8px 10px;font-size:14px}.side-category a:hover,.side-category a.active{color:var(--red);background:rgba(201,0,0,.08)}
.page-hero,.content-section,.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box{background:#fff;border:1px solid rgba(201,0,0,.10);box-shadow:var(--shadow);border-radius:var(--radius)}.page-hero{overflow:hidden;margin-bottom:26px}.page-hero img{width:100%;height:300px;object-fit:contain;background:#F7F8FA}.page-hero-body{padding:28px}.page-hero h1{margin:0 0 12px;color:var(--red);font-size:34px;line-height:1.25}.page-hero p{margin:0;color:var(--muted)}
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.banner-slider{max-width:1180px;margin:0 auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:var(--shadow);overflow:hidden;position:relative;height:330px}.slides,.slide{height:100%}.slide{display:none}.slide.active{display:block}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.slider-btn{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:26px;cursor:pointer;z-index:2}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:2}.slider-dot{width:9px;height:9px;border:0;border-radius:50%;background:rgba(255,255,255,.65);padding:0;cursor:pointer}.slider-dot.active{background:#C90000}
.site-footer{background:#11151C;color:#E7ECF3;padding:44px 24px 18px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}.footer-brand img{max-height:50px;width:auto;margin-bottom:14px}.footer-brand p{color:#B8C0CC;margin:0;max-width:560px}.site-footer h3{color:#fff;margin:0 0 12px}.site-footer a{display:block;color:#C9D0DA;padding:3px 0}.site-footer a:hover{color:#fff}.legal-note{max-width:1180px;margin:28px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);color:#AAB2BF;font-size:13px}.copyright{max-width:1180px;margin:10px auto 0;color:#7F8897;font-size:12px}.mobile-drawer,.drawer-overlay,.mobile-bottom-nav{display:none}
@media(max-width:1100px){.site-shell{grid-template-columns:1fr;max-width:980px}.side-category{display:none}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.nav-core{gap:6px}.nav-core a{padding:9px 12px}.header-inner{gap:14px}}
@media(max-width:760px){body{padding-bottom:64px}.site-header{height:64px}.header-inner{min-height:64px;padding:0 12px;gap:10px}.menu-toggle{display:block;flex:0 0 40px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:42px}.nav-core{display:none}.main-btn{padding:9px 16px;font-size:14px}.header-register{margin-left:auto}.site-shell{padding:82px 14px 24px;display:block}.banner-slider{height:190px;border-radius:16px;margin-bottom:22px}.slider-btn{width:36px;height:36px;font-size:22px}.slider-prev{left:8px}.slider-next{right:8px}.page-hero img{height:190px}.page-hero-body{padding:20px}.page-hero h1{font-size:27px}.content-section{padding:20px}.section-title{font-size:24px}.section-head{display:block}.grid-2,.grid-3,.grid-4,.reviews,.data-strip,.split,.footer-grid{grid-template-columns:1fr}.data-strip{gap:0}.data-item{padding:20px;border-bottom:1px solid rgba(255,255,255,.15)}.product-card img{height:145px}.card img,.zone-card img,.info-card img,.content-img{max-height:190px}.split img{max-height:210px}.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 #E6E8EC;box-shadow:0 -5px 18px rgba(18,28,45,.08);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;padding:11px 4px;color:#5D6673;font-size:13px;font-weight:800}.mobile-bottom-nav a.active{color:var(--red)}.drawer-overlay{display:block;position:fixed;inset:0;background:rgba(17,21,28,.46);z-index:1300;opacity:0;visibility:hidden;transition:.25s}.mobile-drawer{display:block;position:fixed;top:0;left:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:1400;transform:translateX(-102%);transition:.28s;overflow:auto;box-shadow:16px 0 40px rgba(0,0,0,.16)}.drawer-open{overflow:hidden}.drawer-open .drawer-overlay{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #ECEEF1}.drawer-head img{max-height:44px;width:auto}.drawer-close{border:0;background:#F2F3F5;width:38px;height:38px;border-radius:50%;font-size:26px;line-height:1}.drawer-nav{padding:12px}.drawer-nav a{display:block;padding:11px 12px;border-radius:10px;color:var(--text)}.drawer-nav a.active,.drawer-nav a:hover{color:var(--red);background:rgba(201,0,0,.08)}.site-footer{padding-bottom:84px}}