:root{
  --red:#C90000;
  --red-dark:#A80000;
  --red-light:rgba(201,0,0,0.08);
  --text:#1F2329;
  --muted:#5D6673;
  --hint:#8A93A0;
  --gray:#F6F7F9;
  --gray-2:#F1F3F6;
  --border:rgba(201,0,0,0.12);
  --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:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px;padding-top:86px;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.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{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;padding:0 20px}
.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}
.nav-core a{color:#1F2329;background:#F6F7F9;border-radius:999px;padding:10px 16px;font-weight:700;font-size:15px;transition:.2s ease;border:1px solid transparent}
.nav-core a:hover,.nav-core a.active{color:#C90000;background:rgba(201,0,0,0.08);border-color:rgba(201,0,0,.12)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:999px;padding:11px 22px;background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#FFFFFF;font-weight:800;box-shadow:0 10px 20px rgba(201,0,0,.20);white-space:nowrap;cursor:pointer;transition:.2s ease}
.main-btn:hover{transform:translateY(-1px);box-shadow:0 14px 26px rgba(201,0,0,.26)}
.nav-register{flex:0 0 auto}
.mobile-header-inner{display:none;min-height:66px;padding:0 14px;align-items:center;justify-content:space-between;gap:12px}
.menu-toggle{width:42px;height:42px;border:1px solid var(--border);border-radius:14px;background:#fff;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0}
.menu-toggle span{width:20px;height:2px;background:#1F2329;border-radius:3px}
.mobile-logo img{max-height:45px;width:auto}
.mobile-register{padding:9px 16px;font-size:14px}
.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.34);z-index:1200;opacity:0;transition:.2s ease}
.mobile-drawer{position:fixed;top:0;bottom:0;left:0;width:84%;max-width:320px;background:#fff;z-index:1210;transform:translateX(-104%);transition:.25s ease;box-shadow:18px 0 40px rgba(18,28,45,.20);overflow-y:auto}
.drawer-open{overflow:hidden}
.drawer-open .drawer-mask{display:block;opacity:1}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px;border-bottom:1px solid rgba(201,0,0,0.10)}
.drawer-logo img{max-height:48px;width:auto}.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--red);font-size:24px;line-height:1}.drawer-nav{padding:14px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.drawer-nav a{background:#F6F7F9;border:1px solid transparent;border-radius:14px;padding:12px 10px;text-align:center;font-weight:700;color:#1F2329}.drawer-nav a.active,.drawer-nav a:hover{color:var(--red);background:var(--red-light);border-color:var(--border)}
.site-shell{max-width:1420px;margin:0 auto;display:grid;grid-template-columns:190px minmax(0,1180px);gap:26px;padding:0 20px 42px}.page-main{min-width:0}.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:14px;display:flex;flex-direction:column;gap:8px;max-height:calc(100vh - 120px);overflow:auto}.side-title{color:var(--red);font-weight:900;font-size:16px;padding:6px 8px 8px}.side-category a{color:#1F2329;border-radius:12px;padding:9px 11px;font-weight:700;font-size:14px;transition:.2s ease}.side-category a:hover,.side-category a.active{color:#C90000;background:rgba(201,0,0,0.08)}
h1,h2,h3,.section-title{color:#C90000;line-height:1.25}h1{font-size:40px;margin:0 0 18px}h2{font-size:30px;margin:0 0 14px}h3{font-size:20px;margin:0 0 10px}p{margin:0 0 14px;color:var(--muted)}.lead{font-size:18px;color:#414953}.section{margin:34px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head p{max-width:780px;margin:0}.eyebrow{display:inline-flex;color:var(--red);background:var(--red-light);border:1px solid var(--border);border-radius:999px;padding:5px 12px;font-weight:800;font-size:13px;margin-bottom:12px}.card,.zone-card,.info-card,.review-card,.faq-item,.notice-card,.step-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:20px}.card p:last-child,.zone-card p:last-child,.info-card p:last-child,.review-card p:last-child,.faq-item p:last-child,.notice-card p:last-child,.step-card p:last-child{margin-bottom:0}.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}.auto-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.muted{color:var(--hint)}.red{color:var(--red);font-weight:800}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.ghost-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);background:#fff;border-radius:999px;padding:10px 18px;font-weight:800;color:var(--red)}.ghost-btn:hover{background:var(--red-light)}
.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-track{height:100%;display:flex;transition:transform .45s ease}.banner-slide{min-width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#F7F8FA}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.84);color:var(--red);font-size:30px;line-height:1;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px rgba(18,28,45,.12);cursor:pointer}.banner-arrow.prev{left:14px}.banner-arrow.next{right:14px}.banner-dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px}.banner-dots button{width:9px;height:9px;border-radius:50%;border:0;background:rgba(31,35,41,.28);padding:0;cursor:pointer}.banner-dots button.active{background:var(--red);width:22px;border-radius:999px}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.intro-block{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:24px;align-items:center;background:linear-gradient(180deg,#fff 0%,#F6F7F9 100%);border:1px solid rgba(201,0,0,.10);border-radius:26px;box-shadow:var(--shadow);padding:28px}.intro-img,.feature-img,.content-img{width:100%;max-height:280px;object-fit:contain;background:#F7F8FA;border-radius:18px}.quick-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px}.quick-links a{background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px;text-align:center;font-weight:800;color:#1F2329}.quick-links a:hover{color:var(--red);background:var(--red-light)}.data-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;background:linear-gradient(180deg,#F12B2B 0%,#C90000 62%,#A80000 100%);border-radius:24px;padding:20px;box-shadow:0 18px 34px rgba(201,0,0,.22)}.data-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:18px;padding:18px;color:#fff}.data-card strong{display:block;font-size:22px;margin-bottom:8px}.data-card p{color:rgba(255,255,255,.88);margin:0}.product-card,.zone-card{padding:0;overflow:hidden}.product-card img,.zone-card img,.info-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA}.product-card .card-body,.zone-card .card-body{padding:18px}.horizontal-scroll{display:grid;grid-template-columns:repeat(4,minmax(210px,1fr));gap:18px}.combo-card{display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;align-items:center}.combo-card img{width:120px;height:120px;object-fit:contain;background:#F7F8FA;border-radius:16px}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.step-card{position:relative;padding-top:46px}.step-card:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:16px;left:18px;color:var(--red);font-size:18px;font-weight:900}.review-card{border-left:4px solid var(--red)}.faq-list{display:grid;gap:14px}.faq-item strong{display:block;color:#1F2329;margin-bottom:7px}.compliance-box{background:#11151C;color:#E7ECF3;border-radius:22px;padding:24px;box-shadow:var(--shadow)}.compliance-box h2,.compliance-box h3{color:#fff}.compliance-box p{color:#D7DEE8}.page-hero{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(260px,.88fr);gap:24px;align-items:center;margin:24px 0 30px;background:#fff;border:1px solid rgba(201,0,0,.10);border-radius:26px;box-shadow:var(--shadow);padding:30px}.page-hero img{width:100%;max-height:290px;object-fit:contain;background:#F7F8FA;border-radius:20px}.title-card{background:var(--gray);border:1px solid rgba(201,0,0,.08);border-radius:20px;padding:20px}.list{padding-left:0;list-style:none;margin:0;display:grid;gap:10px}.list li{background:#F6F7F9;border-radius:14px;padding:12px 14px;color:var(--muted)}.list li strong{color:var(--red)}
.site-footer{background:#11151C;color:#E7ECF3;margin-top:34px}.footer-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.35fr .7fr .7fr 1fr;gap:28px;padding:38px 20px}.footer-logo img{max-height:54px;width:auto}.footer-brand p,.footer-col p{color:#C9D2DE}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{color:#fff;margin-bottom:8px}.footer-col a{color:#E7ECF3}.footer-col a:hover{color:#fff}.footer-btn{margin-top:8px;width:max-content}.footer-bottom{border-top:1px solid rgba(255,255,255,.10);text-align:center;color:#AEB8C5;padding:16px 20px}.mobile-bottom-nav{display:none}
@media(max-width:1180px){.site-shell{grid-template-columns:1fr;max-width:1180px}.side-category{display:none}.header-inner{max-width:100%}.nav-core a{padding:9px 13px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.horizontal-scroll{overflow-x:auto;grid-template-columns:repeat(4,230px);padding-bottom:4px}}
@media(max-width:820px){body{padding-top:68px;padding-bottom:78px;font-size:15px}.desktop-header{display:none}.mobile-header-inner{display:flex}.site-shell{padding:0 14px 24px}.page-main{width:100%}h1{font-size:30px}h2{font-size:24px}.section{margin:26px 0}.section-head{display:block}.banner-slider{height:190px;border-radius:16px;margin:16px auto 24px}.banner-arrow{width:34px;height:34px;font-size:24px}.banner-arrow.prev{left:8px}.banner-arrow.next{right:8px}.intro-block,.page-hero{grid-template-columns:1fr;padding:20px;border-radius:20px}.intro-img,.feature-img,.content-img,.page-hero img{max-height:220px}.quick-links{grid-template-columns:repeat(2,minmax(0,1fr))}.data-band{grid-template-columns:1fr 1fr;padding:14px;border-radius:20px}.data-card{padding:14px}.grid-2,.grid-3,.steps{grid-template-columns:1fr}.grid-4{grid-template-columns:1fr}.product-card img,.zone-card img,.info-card img{height:150px}.combo-card{grid-template-columns:90px minmax(0,1fr)}.combo-card img{width:90px;height:90px}.footer-inner{grid-template-columns:1fr;padding:30px 18px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:980;background:#fff;border-top:1px solid #E5E8EE;display:grid;grid-template-columns:repeat(4,1fr);height:64px}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:13px;color:#5D6673;font-weight:800}.mobile-bottom-nav a span{font-size:18px;line-height:1}.mobile-bottom-nav a.active,.mobile-bottom-nav a:hover{color:var(--red)}}
@media(max-width:460px){.mobile-logo img{max-height:38px}.mobile-register{padding:8px 13px}.banner-slider{height:165px}.data-band{grid-template-columns:1fr}.quick-links{grid-template-columns:1fr 1fr}.drawer-nav{grid-template-columns:1fr}.card,.zone-card .card-body,.product-card .card-body,.info-card,.review-card,.faq-item,.notice-card,.step-card{padding:16px}.intro-block,.page-hero{padding:16px}h1{font-size:27px}}