:root{
    --red:#C90000;
    --red-dark:#A80000;
    --red-soft:rgba(201,0,0,0.08);
    --text:#1F2329;
    --muted:#5D6673;
    --light:#F6F7F9;
    --section:#F1F3F6;
    --line: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;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;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;
    padding:0 20px;
    min-height:74px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
}
.logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;flex:0 0 auto}
.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;
    flex:1 1 auto;
    min-width:0;
}
.nav-core a{
    color:var(--text);
    background:var(--light);
    border-radius:999px;
    padding:10px 16px;
    font-size:15px;
    transition:all .2s ease;
}
.nav-core a:hover,.nav-core a.active{
    color:var(--red);
    background:rgba(201,0,0,0.08);
}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:42px;
    padding:10px 22px;
    border-radius:999px;
    color:#FFFFFF;
    background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);
    font-weight:700;
    box-shadow:0 10px 24px rgba(201,0,0,0.22);
    border:0;
    cursor:pointer;
}
.main-btn:hover{transform:translateY(-1px)}
.top-register{flex:0 0 auto;white-space:nowrap}
.mobile-menu-btn{display:none;background:none;border:0;padding:8px;flex:0 0 auto}
.mobile-menu-btn span{display:block;width:24px;height:2px;background:#1F2329;border-radius:2px;margin:5px 0}
.site-shell{
    max-width:1320px;
    margin:0 auto;
    padding:94px 20px 0;
    display:grid;
    grid-template-columns:172px minmax(0,1fr);
    gap:28px;
}
.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;
}
.side-category strong{display:block;color:var(--red);font-size:15px;padding:8px 10px 10px}
.side-category a{
    display:block;
    color:var(--text);
    border-radius:12px;
    padding:9px 10px;
    font-size:14px;
    margin:2px 0;
    transition:all .2s ease;
}
.side-category a:hover,.side-category a.active{
    color:var(--red);
    background:rgba(201,0,0,0.08);
}
.page-main{min-width:0}
h1,h2,h3,.section-title{color:var(--red);line-height:1.28;margin-top:0}
p{margin-top:0;color:var(--muted)}
.section-title{font-size:30px;margin-bottom:14px}
.section-subtitle{max-width:820px;margin:0 0 24px;color:var(--muted)}
.content-section{padding:36px 0}
.section-panel{
    background:#FFFFFF;
    border:1px solid rgba(201,0,0,0.10);
    box-shadow:var(--shadow);
    border-radius:22px;
    padding:28px;
}
.banner-slider{
    width:100%;
    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:clamp(260px,28vw,360px);
}
.slider-track,.slide{width:100%;height:100%}
.slide{display:none;align-items:center;justify-content:center;background:#F7F8FA}
.slide.active{display:flex}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}
.slider-arrow{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    width:38px;
    height:38px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,0.65);
    background:rgba(17,21,28,0.42);
    color:#FFFFFF;
    font-size:26px;
    line-height:1;
    cursor:pointer;
}
.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}
.slider-dot{width:9px;height:9px;border-radius:50%;border:0;background:rgba(31,35,41,0.28);cursor:pointer;padding:0}
.slider-dot.active{background:#C90000;width:24px;border-radius:999px}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.card,.zone-card,.info-card,.review-card,.faq-card,.notice-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;
}
.card,.info-card,.review-card,.faq-card,.notice-card{padding:22px}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-card h3,.notice-card h3,.product-card h3{font-size:20px;margin:0 0 10px;color:#C90000}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.quick-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
.quick-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.quick-link{padding:18px;border-radius:18px;background:#F6F7F9;border:1px solid rgba(201,0,0,0.10)}
.quick-link strong{display:block;color:#C90000;margin-bottom:6px}
.stats-red{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:16px;
    background:linear-gradient(180deg,#F12B2B 0%,#C90000 58%,#A80000 100%);
    border-radius:24px;
    padding:22px;
    box-shadow:0 16px 36px rgba(201,0,0,0.20);
}
.stat-item{background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.22);border-radius:18px;padding:18px;color:#FFFFFF}
.stat-item strong{display:block;font-size:24px;margin-bottom:6px;color:#FFFFFF}.stat-item p{color:rgba(255,255,255,0.88);margin:0}
.split-section{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}
.content-img,.zone-card img,.info-card img{max-width:100%;height:auto;max-height:230px;object-fit:contain;margin:0 auto;background:#F7F8FA;border-radius:16px}
.split-section .content-img{max-height:300px;width:100%;object-fit:contain;padding:8px}
.product-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;overflow:visible}
.product-card{overflow:hidden}
.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA;padding:8px}
.product-card .product-body{padding:18px}.product-card p{margin-bottom:0}
.combo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.combo-card{overflow:hidden}.combo-card img{width:100%;height:190px;object-fit:contain;background:#F7F8FA;padding:8px}.combo-card div{padding:20px}
.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.review-card p{margin:0}.review-card strong{display:block;color:#1F2329;margin-bottom:8px}
.faq-list{display:grid;gap:16px}.faq-card p{margin-bottom:0}
.inner-hero{
    background:linear-gradient(180deg,#FFFFFF 0%,#F6F7F9 100%);
    border:1px solid rgba(201,0,0,0.10);
    box-shadow:var(--shadow);
    border-radius:24px;
    padding:34px;
    margin:24px 0 34px;
}
.eyebrow{display:inline-flex;border-radius:999px;background:rgba(201,0,0,0.08);color:#C90000;font-weight:700;padding:6px 14px;margin-bottom:16px}
.inner-hero h1{font-size:38px;margin:0 0 16px}.inner-hero p{font-size:17px;max-width:860px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:20px}
.ghost-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 20px;border-radius:999px;border:1px solid rgba(201,0,0,0.20);color:#C90000;background:#FFFFFF;font-weight:700}
.text-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.text-list li{position:relative;padding-left:22px;color:#5D6673}.text-list li:before{content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:50%;background:#C90000}
.notice-strip{background:#FFF7F7;border:1px solid rgba(201,0,0,0.12);border-radius:20px;padding:20px;color:#5D6673}
.footer-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:30px;padding:42px 20px}.site-footer{background:#11151C;color:#E7ECF3;margin-top:44px}.site-footer p{color:#C9D3DF}.footer-logo img{max-height:50px;width:auto}.footer-brand p{margin-top:14px}.footer-note{font-size:14px}.footer-links h3{color:#FFFFFF;margin:0 0 12px}.footer-links a{display:block;color:#DCE4EE;margin:8px 0}.footer-links a:hover{color:#FFFFFF}.footer-bottom{border-top:1px solid rgba(255,255,255,0.10);text-align:center;padding:16px 20px}.footer-bottom p{margin:0;font-size:14px}
.drawer-mask,.mobile-drawer{display:none}
.mobile-bottom-nav{display:none}
body.drawer-open{overflow:hidden}
@media (max-width:1180px){
    .site-shell{grid-template-columns:1fr;max-width:1180px}.side-category{display:none}.nav-core a{padding:9px 13px;font-size:14px}
}
@media (max-width:900px){
    .header-inner{min-height:66px;padding:0 14px;gap:12px}.mobile-menu-btn{display:block}.nav-core{display:none}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:42px}.top-register{padding:8px 16px;min-height:38px;margin-left:auto}.site-shell{padding:82px 14px 78px}.banner-slider{height:clamp(150px,48vw,210px);margin:12px auto 24px;border-radius:16px}.slider-arrow{width:32px;height:32px;font-size:22px}.slider-arrow.prev{left:8px}.slider-arrow.next{right:8px}.quick-grid,.split-section,.grid-2,.grid-3,.grid-4,.combo-grid,.review-grid,.footer-inner{grid-template-columns:1fr}.stats-red{grid-template-columns:repeat(2,minmax(0,1fr));padding:16px}.product-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.product-card img{height:145px}.content-section{padding:24px 0}.section-panel{padding:20px}.inner-hero{padding:24px;margin:12px 0 24px}.inner-hero h1{font-size:28px}.section-title{font-size:25px}.content-img,.zone-card img,.info-card img,.split-section .content-img{max-height:220px}.combo-card img{height:160px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(17,21,28,0.42);z-index:1100;opacity:0;pointer-events:none;transition:opacity .22s ease}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#FFFFFF;z-index:1110;box-shadow:18px 0 40px rgba(18,28,45,0.18);transform:translateX(-105%);transition:transform .24s ease;overflow-y: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:18px;border-bottom:1px solid rgba(201,0,0,0.10)}.drawer-logo img{max-height:42px}.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#F6F7F9;color:#1F2329;font-size:28px;line-height:1;cursor:pointer}.drawer-nav{display:grid;gap:4px;padding:14px}.drawer-nav a{padding:12px 14px;border-radius:14px;color:#1F2329;background:#FFFFFF}.drawer-nav a.active,.drawer-nav a:hover{color:#C90000;background:rgba(201,0,0,0.08)}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:1000;display:grid;grid-template-columns:repeat(4,1fr);background:#FFFFFF;border-top:1px solid #E5E7EB;box-shadow:0 -8px 20px rgba(18,28,45,0.06);padding:7px 6px 8px}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:42px;border-radius:12px;color:#5D6673;font-size:14px}.mobile-bottom-nav a.active{color:#C90000;background:rgba(201,0,0,0.08);font-weight:700}.site-footer{margin-bottom:60px}
}
@media (max-width:520px){
    .stats-red,.product-row,.quick-actions{grid-template-columns:1fr}.product-card img{height:136px}.card,.info-card,.review-card,.faq-card,.notice-card{padding:18px}.section-panel{border-radius:18px}.inner-hero p{font-size:15px}.hero-actions{gap:10px}.ghost-btn,.main-btn{width:auto}.footer-inner{padding:34px 16px}.slider-dot.active{width:20px}
}