*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#FFFFFF;color:#20242A;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;width:100%;z-index:9999;background:rgba(255,255,255,0.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(214,0,0,0.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.logo{flex:0 0 auto;display:inline-flex;align-items:center}
.logo img{max-height:52px;width:auto;display:block}
.mobile-logo,.mobile-menu-btn{display:none}
.nav-core{flex:1 1 auto;display:flex;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:#20242A;font-size:15px;font-weight:650;padding:26px 2px;transition:.2s}
.nav-core a:hover,.nav-core a.active{color:#D60000}
.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px}
.all-menu-btn{border:1px solid rgba(214,0,0,0.18);background:#FFFFFF;color:#D60000;border-radius:999px;padding:10px 16px;font-weight:700;cursor:pointer}
.main-btn{display:inline-flex;align-items:center;justify-content:center;border:0;background:linear-gradient(180deg,#F13A3A 0%,#D60000 55%,#B80000 100%);color:#FFFFFF;border-radius:999px;padding:11px 22px;font-weight:800;box-shadow:0 12px 24px rgba(214,0,0,0.18);white-space:nowrap}
.nav-register{min-width:74px}
.site-main{padding-top:76px}
.menu-mask{position:fixed;inset:0;background:rgba(23,26,34,.34);z-index:9998;opacity:0;visibility:hidden;transition:.2s}
.menu-mask.show{opacity:1;visibility:visible}
.mega-panel{position:fixed;top:76px;left:50%;transform:translateX(-50%) translateY(-8px);width:min(1120px,calc(100% - 32px));background:rgba(255,255,255,0.98);border:1px solid rgba(214,0,0,0.12);border-radius:24px;box-shadow:0 24px 60px rgba(26,38,56,0.14);z-index:10000;padding:22px;opacity:0;visibility:hidden;transition:.2s}
.mega-panel.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;color:#D60000}
.mega-head strong{font-size:20px}
.mega-head button,.drawer-top button{border:0;background:#F4F6F8;color:#D60000;width:36px;height:36px;border-radius:50%;font-size:24px;line-height:1;cursor:pointer}
.mega-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.mega-group{padding:14px;border-radius:18px;background:#FFFFFF;border:1px solid rgba(214,0,0,0.08)}
.mega-group h3{margin:0 0 12px;color:#D60000;font-size:16px}
.mega-link{display:block;padding:10px 8px;border-radius:12px;color:#20242A}
.mega-link span{display:block;font-weight:750}
.mega-link em{display:block;font-style:normal;font-size:12px;color:#8A94A3;margin-top:2px;line-height:1.45}
.mega-link:hover,.mega-link.active{background:#FFF2F2;color:#D60000}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#FFFFFF;z-index:10001;box-shadow:20px 0 50px rgba(26,38,56,0.18);transform:translateX(-105%);transition:.25s;overflow-y:auto}
.mobile-drawer.show{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px 18px;border-bottom:1px solid rgba(214,0,0,0.08)}
.drawer-nav{padding:12px 12px 24px;display:grid;gap:4px}
.drawer-nav a{padding:12px 14px;border-radius:14px;font-weight:700;color:#20242A}
.drawer-nav a:hover,.drawer-nav a.active{background:#FFF2F2;color:#D60000}

h1,h2,h3,.section-title{color:#D60000}
h1{font-size:clamp(28px,4vw,48px);line-height:1.2;margin:0 0 18px}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin:0 0 14px}
h3{line-height:1.35}
p{margin:0 0 14px;color:#5F6875}
.lead{font-size:18px;color:#20242A}
.page-hero{background:linear-gradient(180deg,#FFFFFF 0%,#F7F8FA 100%);padding:58px 0 42px;border-bottom:1px solid rgba(214,0,0,0.08)}
.page-hero .hero-card{background:#FFFFFF;border:1px solid rgba(214,0,0,0.10);box-shadow:0 12px 30px rgba(26,38,56,0.08);border-radius:28px;padding:34px;display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:center}
.hero-note{display:grid;gap:12px}
.note-pill{display:inline-flex;align-items:center;gap:8px;width:max-content;max-width:100%;border:1px solid rgba(214,0,0,0.14);background:#FFF7F7;color:#D60000;border-radius:999px;padding:8px 14px;font-weight:750}
.section{padding:54px 0}
.section.alt{background:#F7F8FA}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:24px}
.section-head p{max-width:760px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.card,.zone-card,.info-card,.review-card,.faq-card,.step-card,.notice-card{background:#FFFFFF;border:1px solid rgba(214,0,0,0.10);box-shadow:0 12px 30px rgba(26,38,56,0.08);border-radius:22px;padding:22px}
.card h3,.zone-card h3,.info-card h3,.faq-card h3,.step-card h3,.notice-card h3{margin:0 0 10px;color:#D60000;font-size:20px}
.card p,.zone-card p,.info-card p,.faq-card p,.step-card p,.notice-card p{margin:0;color:#5F6875}
.kicker{display:inline-flex;color:#D60000;background:#FFF2F2;border-radius:999px;padding:6px 12px;font-weight:800;margin-bottom:12px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag-row span{border:1px solid rgba(214,0,0,0.12);background:#FFFFFF;color:#D60000;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:750}
.text-link{color:#D60000;font-weight:800}
.hero-actions,.section-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.secondary-link{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(214,0,0,0.16);background:#FFFFFF;color:#D60000;border-radius:999px;padding:10px 18px;font-weight:800}
.product-card{padding:0;overflow:hidden}
.product-card img{width:100%;height:180px;object-fit:contain;background:#F7F8FA;display:block;border-bottom:1px solid rgba(214,0,0,0.08)}
.product-card .card-body{padding:18px}
.image-text{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}
.image-box{background:#F7F8FA;border-radius:24px;border:1px solid rgba(214,0,0,0.10);padding:14px;text-align:center;box-shadow:0 12px 30px rgba(26,38,56,0.08)}
.image-box img,.content-img{width:100%;height:260px;object-fit:contain;display:block}
.zone-card img,.info-card img{width:100%;height:180px;object-fit:contain;background:#F7F8FA;border-radius:16px;margin-bottom:14px;display:block}
.review-card{position:relative}
.review-card strong{display:block;color:#20242A;margin-top:14px}
.review-card p{font-size:15px}
.faq-list{display:grid;gap:14px}
.faq-card{padding:20px}
.faq-card h3{font-size:18px}
.compliance{background:#171A22;color:#E8EDF5;border-radius:28px;padding:28px}
.compliance h2,.compliance h3{color:#FFFFFF}
.compliance p,.compliance li{color:#E8EDF5}
.compliance ul{margin:12px 0 0;padding-left:20px}
.site-footer{background:#171A22;color:#E8EDF5;padding:46px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:28px}
.footer-brand p{color:#C5CEDA;margin-top:12px}
.footer-links{display:grid;gap:9px;align-content:start}
.footer-links h3{margin:0 0 8px;color:#FFFFFF;font-size:18px}
.footer-links a{color:#C5CEDA}
.footer-links a:hover{color:#FFFFFF}
.footer-note{border-top:1px solid rgba(255,255,255,0.12);margin-top:28px;padding-top:18px}
.footer-note p{color:#E8EDF5;margin:0;font-size:14px}

.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:0 12px 30px rgba(26,38,56,0.08);overflow:hidden;position:relative;height:clamp(260px,30vw,380px)}
.banner-track,.banner-slide{height:100%}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .35s}
.banner-slide.active{opacity:1;z-index:1}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA;display:block}
.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border-radius:50%;border:1px solid rgba(214,0,0,0.18);background:rgba(255,255,255,0.92);color:#D60000;font-size:24px;cursor:pointer}
.slider-prev{left:14px}
.slider-next{right:14px}
.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:4;display:flex;gap:8px}
.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(214,0,0,.25);cursor:pointer;padding:0}
.slider-dot.active{background:#D60000}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}

@media (max-width:1024px){
    .nav-core{gap:16px}
    .mega-grid{grid-template-columns:repeat(3,1fr)}
    .grid-5{grid-template-columns:repeat(3,1fr)}
    .grid-4{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
    .container{width:min(100% - 24px,1180px)}
    .desktop-logo,.nav-core,.all-menu-btn{display:none}
    .mobile-logo,.mobile-menu-btn{display:inline-flex}
    .header-inner{min-height:64px;gap:10px}
    .mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
    .logo img{max-height:42px}
    .mobile-menu-btn{border:0;background:#FFFFFF;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
    .mobile-menu-btn span{display:block;width:20px;height:2px;background:#D60000;border-radius:2px}
    .header-action{margin-left:auto}
    .nav-register{padding:9px 15px;min-width:auto}
    .site-main{padding-top:64px}
    .mega-panel{display:none}
    .banner-slider{margin:16px auto 24px;height:clamp(160px,46vw,220px);border-radius:16px}
    .slider-prev,.slider-next{width:34px;height:34px;font-size:20px}
    .page-hero{padding:30px 0 26px}
    .page-hero .hero-card{grid-template-columns:1fr;padding:22px;border-radius:22px}
    .section{padding:38px 0}
    .section-head{display:block}
    .grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}
    .image-text{grid-template-columns:1fr}
    .image-box img,.content-img{height:220px}
    .zone-card img,.info-card img,.product-card img{height:150px}
    .card,.zone-card,.info-card,.review-card,.faq-card,.step-card,.notice-card{padding:18px;border-radius:18px}
    .footer-grid{grid-template-columns:1fr}
    .compliance{border-radius:22px;padding:22px}
}
@media (max-width:420px){
    .nav-register{padding:8px 13px;font-size:14px}
    .mobile-drawer{width:86vw}
    .hero-actions,.section-actions{display:grid}
    .main-btn,.secondary-link{width:100%}
}