*{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}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.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:1420px;margin:auto;padding:0 24px;min-height:74px;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;justify-content:center;gap:18px;white-space:nowrap;flex-wrap:nowrap;min-width:0}.nav-core a{color:#1f2329;padding:10px 4px;position:relative;font-weight:700}.nav-core a:hover,.nav-core a.active{color:#c90000}.nav-core a.active:after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:3px;border-radius:999px;background:#c90000}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 22px;background:linear-gradient(180deg,#f12b2b 0%,#c90000 55%,#a80000 100%);color:#fff;border-radius:999px;font-weight:800;box-shadow:0 8px 20px rgba(201,0,0,.2);transition:.2s}.main-btn:hover{transform:translateY(-1px);box-shadow:0 11px 24px rgba(201,0,0,.26)}.header-register{flex:0 0 auto}.mobile-menu-btn{display:none;width:42px;height:42px;padding:10px;border:0;background:#f6f7f9;border-radius:12px}.mobile-menu-btn span{display:block;height:2px;background:#1f2329;margin:5px 0;border-radius:99px}.site-shell{max-width:1420px;margin:0 auto;padding:24px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:start}.side-category{position:sticky;top:96px;background:#fff;border:1px solid rgba(201,0,0,.1);border-radius:18px;box-shadow:0 12px 30px rgba(18,28,45,.08);padding:14px;max-height:calc(100vh - 118px);overflow:auto}.side-title{font-size:15px;font-weight:800;color:#c90000;padding:8px 10px 12px;border-bottom:1px solid #edf0f3;margin-bottom:8px}.side-category nav{display:grid;gap:4px}.side-category a{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)}.site-main{min-width:0}.page-hero{background:linear-gradient(135deg,#fff 0%,#f6f7f9 100%);border:1px solid rgba(201,0,0,.1);border-radius:24px;padding:44px;margin-bottom:28px;position:relative;overflow:hidden}.page-hero:before{content:"";position:absolute;width:210px;height:210px;border-radius:50%;right:-80px;top:-100px;background:rgba(201,0,0,.07)}.page-hero .eyebrow{font-weight:800;color:#c90000;letter-spacing:.08em}.page-hero h1{font-size:clamp(30px,4vw,50px);line-height:1.2;margin:10px 0 16px;color:#c90000}.page-hero p{max-width:820px;margin:0;color:#5d6673;font-size:17px}.page-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.text-link{display:inline-flex;align-items:center;color:#c90000;font-weight:800}.text-link:after{content:"→";margin-left:6px}.section{margin:30px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.section-title,h1,h2,h3{color:#c90000}.section-title{font-size:clamp(24px,3vw,34px);line-height:1.25;margin:0}.section-subtitle{margin:8px 0 0;color:#5d6673}.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box{background:#fff;border:1px solid rgba(201,0,0,.1);box-shadow:0 12px 30px rgba(18,28,45,.08);border-radius:18px}.card,.zone-card,.info-card,.review-card{padding:24px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.feature-split{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(280px,.92fr);gap:24px;align-items:center}.feature-split.reverse{grid-template-columns:minmax(280px,.92fr) minmax(0,1.08fr)}.feature-split.reverse .feature-media{order:-1}.feature-copy{padding:8px}.feature-copy h2{font-size:clamp(26px,3vw,38px);line-height:1.25;margin:0 0 16px}.feature-copy p{color:#5d6673}.feature-media{border-radius:20px;background:#f7f8fa;overflow:hidden;border:1px solid #eceff3;min-height:230px;display:flex;align-items:center;justify-content:center}.feature-media img{width:100%;height:280px;object-fit:contain}.product-card{padding:0;overflow:hidden}.product-card img{width:100%;height:170px;object-fit:contain;background:#f7f8fa}.product-card .card-body{padding:20px}.product-card h3{margin:0 0 8px}.product-card p{color:#5d6673;margin:0 0 12px}.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.quick-card{padding:20px;background:#fff;border:1px solid rgba(201,0,0,.1);border-radius:16px;transition:.2s}.quick-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(18,28,45,.08)}.quick-card h3{margin:0 0 6px;font-size:18px}.quick-card p{margin:0 0 10px;color:#5d6673;font-size:14px}.stats-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;background:#c90000;padding:18px;border-radius:22px}.stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:18px;border-radius:16px;color:#fff}.stat strong{display:block;font-size:17px;margin-bottom:6px}.stat p{margin:0;color:rgba(255,255,255,.86);font-size:14px}.banner-slider{max-width:1180px;margin:0 auto 34px;border-radius:22px;background:#f7f8fa;box-shadow:0 12px 30px rgba(18,28,45,.08);overflow:hidden;position:relative;min-height:260px;max-height:360px}.slides{height:100%;position:relative}.slide{display:none;height:100%}.slide.active{display:block}.banner-slider img{width:100%;height:100%;min-height:260px;max-height:360px;object-fit:contain;background:#f7f8fa}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(17,21,28,.65);color:#fff;cursor:pointer;font-size:24px;z-index:4}.slider-arrow:hover{background:#c90000}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:15px;display:flex;justify-content:center;gap:8px;z-index:4}.slider-dot{width:10px;height:10px;border:0;border-radius:50%;background:rgba(255,255,255,.7);box-shadow:0 1px 5px rgba(0,0,0,.3);padding:0;cursor:pointer}.slider-dot.active{width:28px;border-radius:99px;background:#c90000}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.review-card p{margin:0;color:#46505e}.review-card .reviewer{display:block;margin-top:12px;color:#c90000;font-weight:800}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h3{font-size:18px;margin:0 0 8px}.faq-item p{margin:0;color:#5d6673}.notice-box{padding:22px;background:#fff8f8}.notice-box strong{color:#c90000}.notice-box p{margin:8px 0 0;color:#5d6673}.pill-list{display:flex;flex-wrap:wrap;gap:10px}.pill{display:inline-flex;padding:8px 13px;border-radius:999px;background:#f6f7f9;color:#5d6673;border:1px solid #e7eaee}.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}.step:before{content:counter(step);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#c90000;color:#fff;font-weight:900}.step h3{margin:1px 0 5px}.step p{margin:0;color:#5d6673}.site-footer{margin-top:42px;background:#11151c;color:#e7ecf3}.footer-inner{max-width:1420px;margin:auto;padding:44px 24px;display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:32px}.footer-brand img{max-height:52px;width:auto;margin-bottom:16px}.footer-brand p,.footer-notice p{color:#b9c1cc;margin:0}.footer-links{display:grid;gap:10px;align-content:start}.footer-links a:hover{color:#fff}.footer-notice strong{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.1);text-align:center;padding:16px 24px;color:#98a2af;font-size:14px}.mobile-bottom-nav{display:none}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;z-index:1200;width:min(84vw,320px);background:#fff;transform:translateX(-102%);transition:transform .22s ease;box-shadow:20px 0 45px rgba(18,28,45,.18);overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-overlay{position:fixed;inset:0;background:rgba(17,21,28,.45);z-index:1100;opacity:0;transition:opacity .22s}.drawer-overlay.show{opacity:1}.drawer-head{height:74px;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #edf0f3}.drawer-logo img{max-height:46px;width:auto}.drawer-close{width:40px;height:40px;border:0;border-radius:12px;background:#f6f7f9;font-size:28px;line-height:1}.drawer-nav{display:grid;padding:14px}.drawer-nav a{padding:11px 12px;border-radius:12px}.drawer-nav a.active,.drawer-nav a:hover{background:rgba(201,0,0,.08);color:#c90000}.banner-slider+.section{margin-top:0}@media(max-width:1180px){.site-shell{grid-template-columns:190px minmax(0,1fr);gap:20px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.nav-core{gap:12px}.header-inner{gap:16px}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.nav-core,.side-category{display:none}.mobile-menu-btn{display:block}.header-inner{padding:0 14px;min-height:66px;gap:12px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.header-register{min-height:38px;padding:7px 16px}.site-shell{display:block;padding:18px 14px}.page-hero{padding:30px 22px}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-split,.feature-split.reverse{grid-template-columns:1fr}.feature-split.reverse .feature-media{order:0}.stats-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr 1fr}.footer-notice{grid-column:1/-1}}@media(max-width:640px){body{padding-bottom:70px}.page-hero{border-radius:18px}.page-hero h1{font-size:30px}.page-hero p{font-size:15px}.banner-slider{min-height:150px;max-height:210px;border-radius:16px;margin-bottom:22px}.banner-slider img{min-height:150px;max-height:210px}.slider-arrow{width:36px;height:36px;font-size:20px}.slider-prev{left:8px}.slider-next{right:8px}.grid-2,.grid-3,.grid-4,.quick-grid,.review-grid,.footer-inner{grid-template-columns:1fr}.stats-strip{grid-template-columns:1fr}.section-head{display:block}.feature-media{min-height:190px}.feature-media img{height:210px}.product-card img{height:150px}.card,.zone-card,.info-card,.review-card{padding:20px}.product-card{padding:0}.footer-inner{padding:34px 18px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:1050;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #e8ebef;box-shadow:0 -10px 25px rgba(18,28,45,.08);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{display:grid;place-items:center;min-height:58px;color:#5d6673;font-weight:700;font-size:13px}.mobile-bottom-nav a.active{color:#c90000}.mobile-bottom-nav a:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;margin-bottom:2px}.copyright{padding-bottom:22px}}