*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#FFFFFF;color:#1F2329;font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%;height:auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,0.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,0,0,0.08)}.header-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;padding:0 18px}.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}.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(201,0,0,0.08)}.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 22px;font-weight:800;box-shadow:0 12px 24px rgba(201,0,0,.2);border:0}.main-btn:hover{transform:translateY(-1px)}.menu-toggle{display:none;background:transparent;border:0;width:36px}.menu-toggle span{display:block;height:2px;background:#1F2329;margin:7px 0}.layout-shell{max-width:1420px;margin:0 auto;display:grid;grid-template-columns:210px minmax(0,1fr);gap:24px;padding:22px 18px 0}.page-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:0 12px 30px rgba(18,28,45,.08);padding:14px;max-height:calc(100vh - 118px);overflow:auto}.side-category strong{display:block;color:#C90000;margin:4px 8px 10px}.side-category a{display:block;color:#1F2329;border-radius:12px;padding:9px 11px;font-size:14px}.side-category a:hover,.side-category a.active{color:#C90000;background:rgba(201,0,0,.08)}.section{margin:26px 0}.hero-grid,.split{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}.section-head{margin-bottom:18px}.eyebrow{display:inline-flex;color:#C90000;background:rgba(201,0,0,.08);border:1px solid rgba(201,0,0,.12);border-radius:999px;padding:5px 12px;font-weight:700;font-size:13px}.section-title,h1,h2,h3{color:#C90000;line-height:1.25}.section-title{font-size:30px;margin:12px 0}.lead{font-size:17px;color:#5D6673}.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:22px}.soft{background:#F6F7F9}.banner-slider{max-width:1180px;margin:4px auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:0 12px 30px rgba(18,28,45,.08);overflow:hidden;position:relative;height:340px}.banner-slider .slide{position:absolute;inset:0;opacity:0;transition:.45s opacity}.banner-slider .slide.active{opacity:1}.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:38px;height:38px;border-radius:50%;border:0;background:rgba(255,255,255,.88);color:#C90000;font-size:24px;cursor:pointer}.slider-btn.prev{left:16px}.slider-btn.next{right:16px}.slider-dots{position:absolute;bottom:14px;left:0;right:0;text-align:center}.dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin:0 4px;background:rgba(31,35,41,.28);border:0}.dot.active{background:#C90000;width:24px;border-radius:999px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.data-item{background:linear-gradient(180deg,#fff,#FFF5F5);border:1px solid rgba(201,0,0,.14);border-radius:18px;padding:18px}.data-item b{display:block;color:#C90000;font-size:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.horizontal-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);gap:14px;overflow-x:auto;padding-bottom:8px}.content-img,.zone-card img,.info-card img{max-width:100%;height:auto;max-height:230px;object-fit:contain;background:#F7F8FA;border-radius:14px;margin:0 auto 14px}.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA;border-radius:14px;margin-bottom:12px}.list-lines{display:grid;gap:12px}.list-lines p{margin:0;padding:14px 16px;background:#F6F7F9;border-left:4px solid #C90000;border-radius:12px}.faq-list{display:grid;gap:14px}.faq-item{padding:18px;border-radius:16px;background:#fff;border:1px solid rgba(201,0,0,.10)}.faq-item h3{font-size:18px;margin:0 0 8px}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card p{margin:0;color:#5D6673}.notice{background:#FFF7F7;border:1px solid rgba(201,0,0,.12);border-radius:18px;padding:20px;color:#5D6673}.site-footer{margin-top:40px;background:#11151C;color:#E7ECF3}.footer-inner{max-width:1180px;margin:0 auto;padding:34px 18px}.footer-brand{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center}.footer-brand img{max-height:54px}.footer-links{display:flex;flex-wrap:wrap;gap:14px;margin:22px 0}.footer-links a{color:#E7ECF3}.legal{color:#B8C0CB}.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}.inner-hero{background:#F6F7F9;border-radius:22px;padding:32px;margin:4px 0 24px;border:1px solid rgba(201,0,0,.10)}.meta-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tag{display:inline-flex;color:#C90000;background:rgba(201,0,0,.08);border-radius:999px;padding:4px 10px;font-size:13px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{position:relative;padding-left:58px}.step .num{position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;background:#C90000;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}.step h3{margin-top:0}
@media (max-width:1180px){.layout-shell{grid-template-columns:1fr}.side-category{display:none}.nav-core{gap:6px}.nav-core a{padding:9px 12px}.banner-slider{height:300px}.quick-grid,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){body{padding-bottom:66px}.header-inner{min-height:64px;gap:8px;padding:0 12px}.menu-toggle{display:block}.nav-core{display:none}.logo img{max-height:42px}.header-btn{padding:8px 14px;font-size:14px}.layout-shell{padding:14px 12px 0}.banner-slider{height:190px;border-radius:16px;margin:0 0 20px}.slider-btn{width:30px;height:30px;font-size:18px}.section-title{font-size:24px}.hero-grid,.split,.grid-3,.reviews,.meta-list,.steps{grid-template-columns:1fr}.quick-grid,.data-strip,.grid-4{grid-template-columns:1fr}.horizontal-scroll{grid-auto-columns:82%}.card,.zone-card,.info-card,.review-card{padding:18px}.content-img,.zone-card img,.info-card img{max-height:180px}.product-card img{height:140px}.footer-brand{grid-template-columns:1fr}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:10000;opacity:0;pointer-events:none;transition:.25s}.mobile-drawer{display:block;position:fixed;z-index:10001;top:0;left:0;height:100vh;width:84%;max-width:320px;background:#fff;transform:translateX(-100%);transition:.28s;box-shadow:0 16px 40px rgba(0,0,0,.22);overflow:auto}.drawer-open .drawer-mask{opacity:1;pointer-events:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(201,0,0,.10)}.drawer-head img{max-height:42px}.drawer-close{font-size:28px;background:transparent;border:0;color:#C90000}.mobile-drawer nav{display:grid;padding:12px}.mobile-drawer a{padding:12px;border-radius:12px;color:#1F2329}.mobile-drawer a:hover{background:rgba(201,0,0,.08);color:#C90000}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid rgba(18,28,45,.10);z-index:9998}.mobile-bottom-nav a{text-align:center;padding:10px 4px;color:#5D6673;font-weight:700;font-size:13px}.mobile-bottom-nav a:hover,.mobile-bottom-nav a.active{color:#C90000}.step{padding-left:54px}.step .num{left:16px;top:18px}.side-category{display:none}}