:root{
    --red:#C90000;
    --red-dark:#A80000;
    --red-soft:rgba(201,0,0,0.08);
    --text:#1F2329;
    --muted:#5D6673;
    --light:#F6F7F9;
    --section:#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","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    line-height:1.75;
    padding-top:74px;
    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;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    min-height:74px;
    padding:0 22px;
}
.logo img{max-height:52px;width:auto;display:block;object-fit:contain}
.nav-core{display:flex;align-items:center;gap:10px;white-space:nowrap;flex-wrap:nowrap;min-width:0}
.nav-core a{color:var(--text);background:var(--light);border-radius:999px;padding:10px 16px;font-weight:700;font-size:15px;transition:.2s ease}
.nav-core a:hover,.nav-core a.active{color:var(--red);background:var(--red-soft)}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:42px;
    border-radius:999px;
    padding:10px 22px;
    color:#FFFFFF;
    background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);
    border:0;
    font-weight:800;
    box-shadow:0 12px 22px rgba(201,0,0,0.18);
    white-space:nowrap;
}
.header-join{flex:0 0 auto}
.mobile-header{display:none}
.site-shell{
    max-width:1420px;
    margin:0 auto;
    display:grid;
    grid-template-columns:184px minmax(0,1180px);
    gap:24px;
    padding:24px 22px 0;
}
.site-main{min-width:0;width:100%}
.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:var(--shadow);
    padding:14px;
    max-height:calc(100vh - 118px);
    overflow:auto;
}
.side-category strong{display:block;color:var(--red);font-size:16px;margin:4px 8px 10px}
.side-category a{display:block;color:var(--text);border-radius:12px;padding:9px 10px;font-size:14px;font-weight:700;transition:.2s ease;margin:2px 0}
.side-category a:hover,.side-category a.active{color:var(--red);background:var(--red-soft)}
.banner-slider{
    max-width:1180px;
    margin:0 auto 34px;
    border-radius:22px;
    background:#F7F8FA;
    box-shadow:var(--shadow);
    overflow:hidden;
    position:relative;
    height:clamp(260px,30vw,360px);
}
.banner-track,.banner-slide{position:absolute;inset:0}
.banner-slide{opacity:0;pointer-events:none;transition:opacity .5s ease;background:#F7F8FA}
.banner-slide.is-active{opacity:1;pointer-events:auto}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.slider-arrow{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    width:42px;
    height:42px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,0.78);
    background:rgba(17,21,28,0.32);
    cursor:pointer;
}
.slider-arrow::before{content:"";display:block;width:10px;height:10px;border-left:2px solid #fff;border-bottom:2px solid #fff;position:absolute;top:15px;left:16px}
.slider-arrow.prev{left:14px}
.slider-arrow.next{right:14px}
.slider-arrow.prev::before{transform:rotate(45deg)}
.slider-arrow.next::before{transform:rotate(-135deg);left:14px}
.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:999px;border:0;background:rgba(31,35,41,0.32);cursor:pointer;padding:0;transition:.2s ease}
.slider-dot.is-active{width:24px;background:var(--red)}
.section,.page-hero,.notice-panel{
    background:#FFFFFF;
    border:1px solid rgba(201,0,0,0.10);
    border-radius:22px;
    box-shadow:var(--shadow);
    padding:28px;
    margin-bottom:24px;
}
.section.soft,.notice-panel{background:var(--light)}
h1,h2,h3,.section-title{color:var(--red);line-height:1.25;margin:0 0 14px}
h1{font-size:clamp(30px,4vw,48px)}
h2,.section-title{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px}
p{margin:0 0 12px;color:var(--muted)}
.lead{font-size:17px;color:#343A43;max-width:860px}
.eyebrow{display:inline-flex;align-items:center;color:var(--red);background:var(--red-soft);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:800;margin-bottom:14px}
.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:18px}
.link-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border-radius:999px;padding:9px 18px;background:#FFFFFF;border:1px solid var(--border);color:var(--red);font-weight:800}
.intro-grid,.two-col{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:24px;align-items:center}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.product-card,.faq-item,.stat-card{
    background:#FFFFFF;
    border:1px solid rgba(201,0,0,0.10);
    box-shadow:var(--shadow);
    border-radius:18px;
}
.card,.review-card,.faq-item,.stat-card{padding:20px}
.card h3,.zone-card h3,.info-card h3,.product-card h3{margin-top:0}
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;background:linear-gradient(135deg,#D90000,#A80000);border-radius:22px;padding:20px;margin-bottom:24px;box-shadow:var(--shadow)}
.stat-card{background:rgba(255,255,255,0.96);box-shadow:none;border-color:rgba(255,255,255,0.5)}
.stat-card b{display:block;color:var(--red);font-size:28px;margin-bottom:4px}
.zone-card,.info-card,.product-card{overflow:hidden}
.zone-card .card-body,.info-card .card-body,.product-card .card-body{padding:18px}
.zone-card img,.info-card img,.content-img{width:100%;max-width:100%;height:230px;object-fit:contain;background:#F7F8FA}
.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA}
.media-box{border-radius:20px;background:#F7F8FA;border:1px solid rgba(201,0,0,0.08);overflow:hidden;box-shadow:var(--shadow)}
.media-box img{width:100%;height:260px;max-height:300px;object-fit:contain;background:#F7F8FA}
.quick-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px}
.quick-links a{background:var(--light);border:1px solid rgba(201,0,0,0.08);border-radius:16px;padding:14px;color:var(--text);font-weight:800}
.quick-links a:hover{color:var(--red);background:var(--red-soft)}
.product-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.combo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.review-card strong{display:block;color:var(--red);margin-bottom:8px}
.faq-list{display:grid;gap:14px}
.faq-item h3{font-size:18px;margin-bottom:6px}
.notice-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:16px}
.notice-list li{list-style:none;background:#FFFFFF;border:1px solid rgba(201,0,0,0.10);border-radius:16px;padding:16px;color:var(--muted)}
.notice-list ul{margin:0;padding:0}
.page-hero{background:linear-gradient(180deg,#FFFFFF 0%,#F6F7F9 100%)}
.inner-image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:18px}
.inner-image-grid img{width:100%;height:190px;object-fit:contain;background:#F7F8FA;border-radius:16px;border:1px solid rgba(201,0,0,0.08)}
.service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.service-list .card{min-height:150px}
.alert-box{border-left:4px solid var(--red);background:#FFF7F7;border-radius:16px;padding:18px;color:#5D6673;margin-top:16px}
.site-footer{background:#11151C;color:#E7ECF3;margin-top:38px}
.footer-inner{max-width:1180px;margin:0 auto;padding:38px 22px;display:grid;grid-template-columns:1.5fr .7fr .7fr 1fr;gap:28px}
.footer-brand p,.footer-service p{color:#C7D0DC}
.footer-note{font-size:14px}
.footer-logo img{max-height:48px}
.footer-links h2,.footer-service h2{font-size:18px;color:#FFFFFF;margin-bottom:12px}
.footer-links a{display:block;color:#DDE5EF;margin:8px 0}
.footer-links a:hover{color:#FFFFFF}
.drawer-mask,.mobile-drawer,.mobile-bottom-nav{display:none}
body.drawer-open{overflow:hidden}
@media (max-width:1180px){
    .site-shell{display:block;max-width:1180px;padding:20px 18px 0}
    .side-category{display:none}
    .header-inner{max-width:1180px}
}
@media (max-width:900px){
    body{padding-top:66px;padding-bottom:78px}
    .desktop-header{display:none}
    .mobile-header{display:flex;min-height:66px;padding:0 14px;gap:10px}
    .mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
    .mobile-logo img{max-height:44px}
    .header-join{min-height:38px;padding:8px 16px;font-size:14px}
    .menu-toggle{width:42px;height:42px;border:0;background:#F6F7F9;border-radius:13px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0}
    .menu-toggle span{display:block;width:20px;height:2px;background:#1F2329;border-radius:9px}
    .drawer-mask{display:block;position:fixed;inset:0;background:rgba(17,21,28,0.42);z-index:1100;opacity:0;pointer-events:none;transition:.25s ease}
    .mobile-drawer{display:block;position:fixed;top:0;bottom:0;left:0;width:84vw;max-width:320px;background:#FFFFFF;z-index:1101;transform:translateX(-102%);transition:.25s ease;box-shadow:20px 0 40px rgba(18,28,45,0.18);overflow-y:auto}
    body.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
    body.drawer-open .mobile-drawer{transform:translateX(0)}
    .drawer-top{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(201,0,0,0.08)}
    .drawer-top .logo img{max-height:44px}
    .drawer-close{width:40px;height:40px;border:0;border-radius:12px;background:#F6F7F9;color:#1F2329;font-size:26px;line-height:1}
    .drawer-links{padding:14px}
    .drawer-links a{display:block;border-radius:14px;padding:12px 14px;color:#1F2329;font-weight:800;border:1px solid transparent}
    .drawer-links a.active,.drawer-links a:hover{color:var(--red);background:var(--red-soft);border-color:rgba(201,0,0,0.08)}
    .mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:999;background:#FFFFFF;border-top:1px solid #E7EAF0;padding:7px 6px calc(7px + env(safe-area-inset-bottom));box-shadow:0 -8px 26px rgba(18,28,45,0.06)}
    .mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#5D6673;font-size:12px;font-weight:800;min-height:48px;border-radius:14px}
    .mobile-bottom-nav span{font-size:17px;line-height:1;color:inherit}
    .mobile-bottom-nav a.active{color:var(--red);background:var(--red-soft)}
    .banner-slider{height:clamp(150px,48vw,210px);border-radius:18px;margin-bottom:20px}
    .slider-arrow{width:34px;height:34px}
    .slider-arrow::before{top:12px;left:13px}
    .slider-arrow.next::before{left:11px}
    .section,.page-hero,.notice-panel{padding:20px;border-radius:18px;margin-bottom:18px}
    .intro-grid,.two-col,.card-grid,.card-grid.three,.card-grid.two,.product-row,.combo-grid,.review-grid,.stat-strip,.service-list,.footer-inner{grid-template-columns:1fr}
    .quick-links{grid-template-columns:repeat(2,minmax(0,1fr))}
    .inner-image-grid{grid-template-columns:1fr}
    .zone-card img,.info-card img,.content-img{height:190px}
    .product-card img{height:150px}
    .media-box img{height:210px}
    .notice-list{grid-template-columns:1fr}
    .footer-inner{padding-bottom:92px}
}
@media (max-width:520px){
    .site-shell{padding:16px 12px 0}
    .quick-links{grid-template-columns:1fr}
    .card,.review-card,.faq-item,.stat-card{padding:16px}
    .zone-card img,.info-card img,.content-img{height:160px}
    .product-card img{height:140px}
    .media-box img{height:180px}
    .actions{align-items:stretch}
    .actions a{width:100%}
}