*{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{text-decoration:none;color:inherit}img{max-width:100%}.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;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;display:block}.nav-core{display:flex;align-items:center;justify-content:center;gap:10px;white-space:nowrap;flex-wrap:nowrap;flex:1}.nav-core a{color:#1f2329;background:#f6f7f9;border-radius:999px;padding:9px 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;background:linear-gradient(180deg,#f12b2b 0%,#c90000 55%,#a80000 100%);color:#fff!important;border-radius:12px;padding:11px 22px;font-weight:800;box-shadow:0 8px 20px rgba(201,0,0,.2)}.header-register{flex:0 0 auto;white-space:nowrap}.menu-toggle{display:none;background:none;border:0;padding:8px}.menu-toggle span{display:block;width:24px;height:2px;background:#1f2329;margin:5px 0}.page-shell{max-width:1380px;margin:0 auto;padding:24px;display:grid;grid-template-columns:190px minmax(0,1fr);gap:28px}.side-category{position:sticky;top:98px;align-self:start;max-height:calc(100vh - 116px);overflow:auto;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-title{padding:8px 10px;color:#c90000;font-weight:900}.side-category a{display:block;color:#1f2329;border-radius:12px;padding:8px 10px;font-size:14px}.side-category a:hover,.side-category a.active{color:#c90000;background:rgba(201,0,0,.08)}.main-content{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:clamp(260px,28vw,360px)}.slides{height:100%;position:relative}.slide{position:absolute;inset:0;opacity:0;transition:opacity .5s ease;pointer-events:none}.slide.active{opacity:1;pointer-events:auto}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#f7f8fa;display:block}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(17,21,28,.58);color:#fff;font-size:24px;cursor:pointer}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}.slider-dot{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.7);box-shadow:0 0 0 1px rgba(0,0,0,.15);padding:0}.slider-dot.active{background:#c90000}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.section{padding:38px 0}.section.alt{background:#f6f7f9;margin-left:-24px;margin-right:-24px;padding-left:24px;padding-right:24px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-title,h1,h2,h3{color:#c90000}.section-title{font-size:28px;margin:0}.section-kicker{color:#8a93a0;font-size:14px}.lead{font-size:17px;color:#5d6673;max-width:860px}.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;padding:34px;background:linear-gradient(135deg,#fff,#f6f7f9);border:1px solid rgba(201,0,0,.1);border-radius:22px;box-shadow:0 12px 30px rgba(18,28,45,.08)}.hero-inner h1{font-size:38px;line-height:1.25;margin:0 0 14px}.content-img{width:100%;height:260px;object-fit:contain;background:#f7f8fa;border-radius:18px}.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}.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))}.zone-card img,.info-card img{width:100%;height:190px;object-fit:contain;background:#f7f8fa;border-radius:14px;margin-bottom:14px}.product-strip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(210px,1fr);gap:18px;overflow-x:auto;padding:4px 2px 18px;scroll-snap-type:x proximity}.product-card{scroll-snap-align:start;background:#fff;border:1px solid rgba(201,0,0,.1);border-radius:18px;padding:14px;box-shadow:0 10px 24px rgba(18,28,45,.07)}.product-card img{width:100%;height:160px;object-fit:contain;background:#f7f8fa;border-radius:12px}.data-band{background:linear-gradient(135deg,#c90000,#9e0000);border-radius:22px;padding:24px;color:#fff}.data-band .grid-4{gap:12px}.data-item{padding:18px;border:1px solid rgba(255,255,255,.2);border-radius:16px;background:rgba(255,255,255,.08)}.data-item strong{display:block;font-size:20px}.notice{background:#fff7f7;border-left:4px solid #c90000;padding:16px 18px;border-radius:12px;color:#5d6673}.faq-item{border-bottom:1px solid #e7e9ed;padding:16px 0}.faq-item:last-child{border-bottom:0}.faq-item h3{margin:0 0 6px;font-size:18px}.review-card p{margin:0;color:#5d6673}.review-card strong{display:block;margin-bottom:8px;color:#1f2329}.text-link{color:#c90000;font-weight:800}.site-footer{background:#11151c;color:#e7ecf3;margin-top:42px;padding:44px 24px 90px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:38px}.footer-brand img{max-height:48px;width:auto}.footer-brand p{color:#b9c0cb}.site-footer h3{color:#fff}.site-footer a{display:block;color:#d9dee6;padding:4px 0}.compliance-note,.copyright{max-width:1180px;margin:24px auto 0;color:#aab2bf;font-size:14px;border-top:1px solid rgba(255,255,255,.1);padding-top:18px}.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{gap:6px}.nav-core a{padding:8px 12px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){body{padding-bottom:66px}.site-header{position:sticky}.header-inner{min-height:64px;padding:0 12px;gap:10px}.menu-toggle{display:block;flex:0 0 42px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:42px;max-width:130px}.nav-core{display:none}.header-register{padding:9px 14px;border-radius:10px}.page-shell{display:block;padding:16px}.banner-slider{height:clamp(150px,48vw,210px);border-radius:15px;margin-bottom:22px}.slider-arrow{width:34px;height:34px;font-size:18px}.slider-prev{left:8px}.slider-next{right:8px}.section{padding:28px 0}.section.alt{margin-left:-16px;margin-right:-16px;padding-left:16px;padding-right:16px}.section-head{display:block}.section-title{font-size:24px}.hero-inner{grid-template-columns:1fr;padding:22px}.hero-inner h1{font-size:30px}.content-img{height:210px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.zone-card img,.info-card img{height:170px}.product-card img{height:145px}.data-band .grid-4{grid-template-columns:1fr 1fr}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:1100;opacity:0;visibility:hidden;transition:.25s}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:82%;max-width:320px;background:#fff;z-index:1200;transform:translateX(-105%);transition:.25s;overflow:auto;box-shadow:12px 0 30px rgba(0,0,0,.2)}.drawer-open{overflow:hidden}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid #eceef1}.drawer-logo img{max-height:42px}.drawer-close{border:0;background:#f6f7f9;width:38px;height:38px;border-radius:50%;font-size:28px}.drawer-nav{padding:10px}.drawer-nav a{display:block;padding:11px 12px;border-radius:10px}.drawer-nav a.active{color:#c90000;background:rgba(201,0,0,.08)}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:1000;background:#fff;border-top:1px solid #ddd;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;padding:11px 4px;color:#5d6673;font-size:14px}.mobile-bottom-nav a.active{color:#c90000;font-weight:800}.footer-grid{grid-template-columns:1fr}.site-footer{padding-bottom:100px}}