: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);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    background:#FFFFFF;
    color:var(--text);
    line-height:1.75;
    padding-top:78px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
p{margin:0 0 14px;color:var(--muted)}
h1,h2,h3,.section-title{color:var(--red);line-height:1.3;margin:0 0 14px;font-weight:800}
h1{font-size:clamp(30px,4vw,48px)}
h2{font-size:clamp(23px,2.5vw,32px)}
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{
    max-width:1440px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    min-height:74px;
    padding:0 24px;
}
.logo img{max-height:52px;width:auto;display:block}
.nav-core{display:flex;align-items:center;gap:10px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:var(--text);background:var(--light);border-radius:999px;padding:10px 16px;font-weight:700;transition:.22s}
.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;
    min-height:42px;padding:10px 22px;border-radius:999px;
    background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);
    color:#FFFFFF;font-weight:800;box-shadow:0 10px 24px rgba(201,0,0,0.22);border:0;white-space:nowrap;
}
.header-btn{min-width:88px;flex:0 0 auto}
.menu-toggle{display:none;background:#FFFFFF;border:1px solid var(--line);border-radius:14px;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-toggle span{width:20px;height:2px;background:var(--text);border-radius:2px}
.site-layout{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;padding:22px 24px 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:var(--shadow);padding:14px;max-height:calc(100vh - 114px);overflow:auto}
.side-category strong{display:block;color:var(--red);font-size:17px;margin:4px 8px 10px}
.side-category a{display:block;color:var(--text);border-radius:12px;padding:9px 12px;font-weight:700;margin:2px 0;transition:.2s}
.side-category a:hover,.side-category a.active{color:var(--red);background:var(--red-soft)}
.main-content{min-width:0}
.section{margin:0 auto 28px;background:#FFFFFF;border-radius:24px;padding:30px;border:1px solid rgba(201,0,0,0.08);box-shadow:var(--shadow)}
.section.soft{background:var(--light);border-color:rgba(18,28,45,0.06)}
.section.flat{box-shadow:none;border-color:rgba(18,28,45,0.06)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}
.section-head p{max-width:780px;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--red);font-weight:800;background:var(--red-soft);padding:5px 11px;border-radius:999px;margin-bottom:12px}
.hero-panel{padding:42px 34px;background:linear-gradient(180deg,#FFFFFF 0%,#F7F8FA 100%);border:1px solid rgba(201,0,0,0.09);border-radius:28px;box-shadow:var(--shadow);margin-bottom:28px}
.hero-panel p{font-size:17px;max-width:920px}
.banner-slider{margin:0 auto 28px;border-radius:22px;background:#F7F8FA;box-shadow:var(--shadow);overflow:hidden;position:relative;height:clamp(260px,30vw,360px);border:1px solid rgba(201,0,0,0.08)}
.banner-track,.banner-slide{width:100%;height:100%}
.banner-slide{display:none;align-items:center;justify-content:center;background:#F7F8FA}
.banner-slide.active{display:flex}
.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:999px;border:1px solid rgba(201,0,0,0.16);background:rgba(255,255,255,0.86);color:var(--red);font-size:24px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(18,28,45,0.12)}
.slider-prev{left:14px}.slider-next{right:14px}
.slider-dots{position:absolute;bottom:12px;left:0;right:0;display:flex;justify-content:center;gap:8px}
.slider-dot{width:9px;height:9px;border:0;border-radius:999px;background:rgba(31,35,41,0.28);cursor:pointer;padding:0}
.slider-dot.active{width:24px;background:var(--red)}
.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.faq-item{background:#FFFFFF;border:1px solid rgba(201,0,0,0.10);box-shadow:var(--shadow);border-radius:18px;padding:20px}
.card h3,.zone-card h3,.info-card h3{margin-bottom:8px;color:var(--text)}
.card .num,.stat-card strong{color:var(--red);font-weight:900}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat-card{background:linear-gradient(180deg,#F12B2B 0%,#C90000 62%,#A80000 100%);color:#FFFFFF;border-radius:20px;padding:20px;box-shadow:0 12px 28px rgba(201,0,0,0.20)}
.stat-card strong{display:block;color:#FFFFFF;font-size:24px;margin-bottom:6px}.stat-card p{color:rgba(255,255,255,0.9);margin:0}
.media-card{display:grid;grid-template-columns:1.02fr .98fr;gap:24px;align-items:center}
.media-card.reverse{grid-template-columns:.98fr 1.02fr}.media-card.reverse .media-img{order:2}
.media-img{background:#F7F8FA;border-radius:20px;border:1px solid rgba(18,28,45,0.06);overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:220px;max-height:300px;padding:10px}
.media-img img{width:100%;height:100%;max-height:280px;object-fit:contain;background:#F7F8FA}
.product-card{padding:0;overflow:hidden}.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA;padding:8px;border-bottom:1px solid rgba(18,28,45,0.06)}.product-card div{padding:18px}.product-card p{margin-bottom:0}
.horizontal-cards{display:grid;grid-template-columns:repeat(4,minmax(220px,1fr));gap:16px;overflow-x:auto;padding-bottom:4px}.horizontal-cards .product-card{min-width:220px}
.combo-card{display:grid;grid-template-columns:130px minmax(0,1fr);gap:16px;align-items:center}.combo-card img{width:130px;height:100px;object-fit:contain;background:#F7F8FA;border-radius:14px;border:1px solid rgba(18,28,45,0.06)}
.review-card p{color:#3B4350;margin:0}.review-name{display:block;color:var(--red);font-weight:800;margin-bottom:8px}
.faq-list{display:grid;gap:14px}.faq-item h3{font-size:18px;color:var(--text);margin-bottom:6px}.faq-item p{margin:0}
.notice-list{display:grid;gap:12px;margin:16px 0 0;padding:0;list-style:none}.notice-list li{position:relative;background:#FFFFFF;border:1px solid rgba(201,0,0,0.10);border-radius:15px;padding:14px 14px 14px 42px;color:var(--muted)}.notice-list li:before{content:"";position:absolute;left:16px;top:21px;width:9px;height:9px;border-radius:50%;background:var(--red)}
.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#11151C;color:#E7ECF3;border-radius:22px;padding:24px;margin-top:20px}.cta-strip p{color:#D8DEE8;margin:0}.cta-strip h2{color:#FFFFFF}
.site-footer{background:#11151C;color:#E7ECF3;margin-top:34px}.footer-inner{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:1.2fr 2fr;gap:34px;padding:42px 24px}.footer-brand img{width:180px;height:auto;margin-bottom:14px}.footer-brand p{color:#C7D0DD}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.footer-links h3{color:#FFFFFF;font-size:18px}.footer-links a{display:block;color:#C7D0DD;margin:8px 0}.footer-links a:hover{color:#FFFFFF}.footer-note{border-top:1px solid rgba(255,255,255,0.08);max-width:1440px;margin:0 auto;padding:16px 24px;color:#C7D0DD;font-size:14px}
.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}
.drawer-open{overflow:hidden}.drawer-open .drawer-mask{display:block;position:fixed;inset:0;background:rgba(17,21,28,0.48);z-index:1100}.drawer-open .mobile-drawer{transform:translateX(0)}
@media (max-width:1160px){.site-layout{grid-template-columns:1fr;max-width:1180px}.side-category{display:none}.nav-core{gap:6px}.nav-core a{padding:9px 12px}}
@media (max-width:760px){
    body{padding-top:66px;padding-bottom:72px;font-size:15px}
    .header-inner{min-height:64px;padding:0 12px;gap:10px;display:grid;grid-template-columns:46px 1fr 82px}
    .menu-toggle{display:flex}.logo{justify-self:center}.logo img{max-height:44px}.nav-core{display:none}.header-btn{padding:8px 14px;min-width:76px;justify-self:end}
    .site-layout{display:block;padding:14px 12px 0}.section{padding:20px;border-radius:20px;margin-bottom:18px}.hero-panel{padding:28px 20px;border-radius:22px}.hero-panel p{font-size:15px}
    .banner-slider{height:clamp(150px,48vw,210px);border-radius:18px;margin-bottom:18px}.slider-arrow{width:34px;height:34px;font-size:20px}.slider-prev{left:8px}.slider-next{right:8px}
    .grid.two,.grid.three,.grid.four,.stat-row{grid-template-columns:1fr}.section-head{display:block}.media-card,.media-card.reverse{grid-template-columns:1fr}.media-card.reverse .media-img{order:0}.media-img{min-height:180px;max-height:240px}.media-img img{max-height:220px}.horizontal-cards{grid-template-columns:1fr;overflow:visible}.product-card img{height:148px}.combo-card{grid-template-columns:92px 1fr}.combo-card img{width:92px;height:78px}.cta-strip{display:block;padding:20px}.cta-strip .main-btn{margin-top:12px}
    .mobile-drawer{display:block;position:fixed;top:0;bottom:0;left:0;width:84vw;max-width:320px;background:#FFFFFF;z-index:1200;transform:translateX(-102%);transition:.25s ease;box-shadow:18px 0 34px rgba(18,28,45,0.18);overflow:auto}.drawer-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(201,0,0,0.10)}.drawer-logo img{height:44px;width:auto}.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#FFFFFF;color:var(--red);font-size:26px;line-height:1}.drawer-nav{padding:12px}.drawer-nav a{display:block;padding:12px 14px;border-radius:13px;font-weight:800;color:var(--text)}.drawer-nav a.active,.drawer-nav a:hover{background:var(--red-soft);color:var(--red)}
    .mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;height:62px;background:#FFFFFF;border-top:1px solid rgba(18,28,45,0.10);z-index:980}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;font-weight:800;color:#5D6673}.mobile-bottom-nav a.active{color:var(--red)}
    .footer-inner{grid-template-columns:1fr;padding:30px 16px}.footer-links{grid-template-columns:1fr 1fr}.footer-note{padding:14px 16px}
}
@media (max-width:420px){.footer-links{grid-template-columns:1fr}.section{padding:18px}.combo-card{grid-template-columns:1fr}.combo-card img{width:100%;height:118px}.stat-card strong{font-size:22px}}