:root{
  --red:#C90000;
  --red-dark:#A80000;
  --red-light:rgba(201,0,0,0.08);
  --text:#1F2329;
  --muted:#5D6673;
  --soft:#8A93A0;
  --line:rgba(201,0,0,0.12);
  --bg:#FFFFFF;
  --bg-soft:#F6F7F9;
  --bg-zone:#F1F3F6;
  --shadow:0 12px 30px rgba(18,28,45,0.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#FFFFFF;
  color:#1F2329;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  line-height:1.72;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
p{margin:0 0 14px;color:#5D6673}
h1,h2,h3,.section-title{color:#C90000;line-height:1.25;margin:0 0 14px}
h1{font-size:34px;letter-spacing:.02em}
h2{font-size:26px}
h3{font-size:20px}.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(201,0,0,0.08);
}
.header-inner{
  width:min(1180px, calc(100% - 36px));
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:74px;
}
.logo{display:flex;align-items:center;min-width:120px}
.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;min-width:0;flex:1}
.nav-core a{color:#1F2329;background:#F6F7F9;border-radius:999px;padding:10px 16px;font-size:15px;border:1px solid transparent;transition:.2s ease}
.nav-core a:hover,.nav-core a.active{color:#C90000;background:rgba(201,0,0,0.08);border-color:rgba(201,0,0,0.12)}
.register-btn,.main-btn,.small-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:0;
  background:linear-gradient(180deg, #F12B2B 0%, #C90000 55%, #A80000 100%);
  color:#FFFFFF;
  border-radius:999px;
  padding:11px 22px;
  font-weight:700;
  box-shadow:0 10px 20px rgba(201,0,0,0.22);
  white-space:nowrap;
}
.register-btn{flex:0 0 auto}.small-btn{padding:8px 14px;font-size:14px}.menu-toggle{display:none;border:0;background:#F6F7F9;border-radius:14px;width:42px;height:42px;color:#C90000;font-size:22px}.site-shell{
  width:min(1360px, calc(100% - 36px));
  margin:0 auto;
  padding-top:96px;
  display:grid;
  grid-template-columns:178px minmax(0,1fr);
  gap:24px;
}
.page-content{min-width:0;padding-bottom:54px}.side-category{
  position:sticky;
  top:96px;
  align-self:start;
  background:#FFFFFF;
  border:1px solid rgba(201,0,0,0.10);
  border-radius:18px;
  box-shadow:0 12px 30px rgba(18,28,45,0.08);
  padding:12px;
  max-height:calc(100vh - 118px);
  overflow:auto;
}
.side-category a{display:block;color:#1F2329;border-radius:12px;padding:9px 12px;font-size:14px;margin:2px 0;transition:.2s ease}.side-category a:hover,.side-category a.active{color:#C90000;background:rgba(201,0,0,0.08);font-weight:700}.side-home{border-bottom:1px solid rgba(201,0,0,0.08);margin-bottom:7px!important}.drawer-mask,.mobile-drawer{display:none}.banner-slider{
  max-width:1180px;
  margin:24px auto 34px;
  border-radius:22px;
  background:#F7F8FA;
  box-shadow:0 12px 30px rgba(18,28,45,0.08);
  overflow:hidden;
  position:relative;
  height:330px;
}
.banner-slider .slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .45s ease}.banner-slider .slide.active{opacity:1;visibility:visible}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.72);background:rgba(17,21,28,.42);color:#fff;font-size:24px;cursor:pointer;line-height:1}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:9px;z-index:4}.slider-dot{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.62);cursor:pointer}.slider-dot.active{background:#C90000}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.hero-intro,.page-hero,.section,.notice-band,.split-section{
  background:#FFFFFF;
  border:1px solid rgba(201,0,0,0.10);
  border-radius:22px;
  box-shadow:0 12px 30px rgba(18,28,45,0.08);
  padding:28px;
  margin-bottom:28px;
}
.page-hero{display:grid;grid-template-columns:minmax(0,1.1fr) 360px;gap:28px;align-items:center;background:linear-gradient(180deg,#fff 0%,#F6F7F9 100%)}
.page-hero .eyebrow,.eyebrow{display:inline-flex;color:#C90000;background:rgba(201,0,0,0.08);border-radius:999px;padding:6px 12px;font-weight:700;font-size:13px;margin-bottom:12px}.page-hero img,.split-media img{width:100%;height:260px;object-fit:contain;background:#F7F8FA;border-radius:18px}.intro-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.text-link{display:inline-flex;align-items:center;color:#C90000;font-weight:700;padding:10px 0}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.card,.zone-card,.info-card,.review-card,.faq-card,.product-card{
  background:#FFFFFF;
  border:1px solid rgba(201,0,0,0.10);
  box-shadow:0 12px 30px rgba(18,28,45,0.08);
  border-radius:18px;
  padding:18px;
  overflow:hidden;
}
.card h3,.zone-card h3,.info-card h3,.product-card h3{font-size:19px}.card-number{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:rgba(201,0,0,0.08);color:#C90000;font-weight:800;margin-bottom:10px}.summary-red{background:#C90000;color:#fff;border-radius:22px;padding:24px;margin-bottom:28px}.summary-red h2{color:#fff}.summary-red p{color:rgba(255,255,255,.88)}.summary-red .grid-4{margin-top:15px}.summary-red .summary-item{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10);border-radius:18px;padding:18px}.summary-red strong{display:block;font-size:18px;margin-bottom:8px}.summary-red span{display:block;color:rgba(255,255,255,.88);font-size:14px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}.section-head p{max-width:720px}.zone-card img,.info-card img,.content-img{max-width:100%;height:auto;max-height:230px;object-fit:contain;background:#F7F8FA;border-radius:14px;margin-bottom:14px}.product-card{padding:0}.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA}.product-card .product-body{padding:16px}.horizontal-scroll{display:grid;grid-template-columns:repeat(4,minmax(190px,1fr));gap:16px}.combo-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}.split-section{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:center}.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0;padding:0;list-style:none}.pill-list li{background:#F6F7F9;border:1px solid rgba(201,0,0,0.10);border-radius:999px;padding:8px 12px;color:#5D6673}.check-list{margin:12px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:22px;margin:8px 0;color:#5D6673}.check-list li:before{content:'•';position:absolute;left:4px;color:#C90000;font-weight:900}.review-card p{font-size:15px}.review-card strong{color:#1F2329}.faq-list{display:grid;gap:14px}.faq-card h3{font-size:18px}.notice-band{background:#F6F7F9}.notice-band p{margin-bottom:8px}.site-footer{background:#11151C;color:#E7ECF3;margin-top:20px}.footer-inner{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:36px 0;display:grid;grid-template-columns:1.2fr 1fr 1.1fr;gap:28px}.footer-brand img{max-height:48px;width:auto;margin-bottom:14px}.footer-brand p,.footer-note p{color:#C5CEDA}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.footer-links a{color:#E7ECF3;background:rgba(255,255,255,.06);border-radius:12px;padding:10px 12px}.footer-note strong{color:#fff}.mobile-bottom-nav{display:none}.plain-page{max-width:980px;margin:0 auto}.contact-box{background:#F6F7F9;border-radius:18px;padding:18px;border:1px solid rgba(201,0,0,.10)}
@media (max-width:1180px){
  .site-shell{grid-template-columns:1fr;width:min(1180px, calc(100% - 28px))}.side-category{display:none}.header-inner{width:calc(100% - 28px)}.nav-core{gap:6px}.nav-core a{padding:9px 12px;font-size:14px}
}
@media (max-width:820px){
  body{padding-bottom:74px}.site-header{position:fixed}.header-inner{min-height:64px;gap:10px}.menu-toggle{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.logo{justify-content:center;min-width:0;flex:1}.logo img{max-height:42px}.nav-core{display:none}.register-btn{padding:9px 15px;font-size:14px}.site-shell{padding-top:78px;width:calc(100% - 22px)}.page-content{padding-bottom:22px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:1100;opacity:0;visibility:hidden;transition:.2s ease}.mobile-drawer{display:block;position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:320px;background:#FFFFFF;z-index:1110;transform:translateX(-102%);transition:.25s ease;box-shadow:20px 0 45px rgba(0,0,0,.18);overflow:auto}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(201,0,0,.10)}.drawer-logo img{max-height:42px}.drawer-close{width:38px;height:38px;border:0;border-radius:12px;background:#F6F7F9;color:#C90000;font-size:26px}.drawer-links{padding:12px}.drawer-links a{display:block;border-radius:12px;padding:11px 12px;margin:2px 0;color:#1F2329}.drawer-links a.active,.drawer-links a:hover{background:rgba(201,0,0,.08);color:#C90000;font-weight:700}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:999;background:#FFFFFF;border-top:1px solid #E6E9EE;display:grid;grid-template-columns:repeat(4,1fr);padding:7px 6px calc(7px + env(safe-area-inset-bottom));box-shadow:0 -8px 22px rgba(18,28,45,.08)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;color:#5D6673;font-size:13px;border-radius:12px;padding:8px 2px}.mobile-bottom-nav a.active{color:#C90000;background:rgba(201,0,0,.08);font-weight:700}.banner-slider{height:190px;margin:12px auto 22px;border-radius:16px}.slider-prev,.slider-next{width:32px;height:32px;font-size:19px}.hero-intro,.page-hero,.section,.notice-band,.split-section{padding:20px;border-radius:18px;margin-bottom:20px}.page-hero,.split-section{grid-template-columns:1fr}.page-hero img,.split-media img{height:190px}.grid-2,.grid-3,.grid-4,.combo-grid{grid-template-columns:1fr}.horizontal-scroll{display:flex;overflow:auto;scroll-snap-type:x mandatory;padding-bottom:4px}.horizontal-scroll .product-card{min-width:210px;scroll-snap-align:start}.product-card img{height:140px}.zone-card img,.info-card img,.content-img{max-height:190px}.section-head{display:block}h1{font-size:27px}h2{font-size:23px}h3{font-size:18px}.footer-inner{grid-template-columns:1fr;padding:28px 0}.footer-links{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:420px){
  .register-btn{padding:8px 12px}.banner-slider{height:165px}.hero-intro,.page-hero,.section,.notice-band,.split-section{padding:17px}.page-hero img,.split-media img{height:170px}.footer-links{grid-template-columns:1fr}
}