:root{
    --red:#C90000;
    --red-dark:#A80000;
    --red-bright:#F12B2B;
    --text:#1F2329;
    --muted:#5D6673;
    --light:#F6F7F9;
    --soft:#F1F3F6;
    --line:rgba(201,0,0,0.12);
    --shadow:0 12px 30px rgba(18,28,45,0.08);
    --radius:18px;
    --max:1180px;
}
*{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;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top: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:var(--max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;padding:0 20px}
.logo{display: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;min-width:0;flex:1}
.nav-core a{color:var(--text);background:#F6F7F9;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:rgba(201,0,0,0.08)}
.register-btn,.main-btn,.text-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800;white-space:nowrap}
.register-btn,.main-btn{background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#FFFFFF;box-shadow:0 8px 18px rgba(201,0,0,0.22)}
.register-btn{padding:10px 22px;flex:0 0 auto}
.main-btn{padding:12px 22px;margin-top:12px}
.text-btn{color:var(--red);background:rgba(201,0,0,0.08);padding:10px 16px}
.menu-toggle{display:none;background:#FFFFFF;border:1px solid var(--line);border-radius:14px;width:42px;height:42px;padding:9px;flex:0 0 auto}
.menu-toggle span{display:block;height:2px;background:var(--red);border-radius:10px;margin:5px 0}
.layout-shell{width:min(100%,calc(var(--max) + 176px));margin:0 auto;display:grid;grid-template-columns:156px minmax(0,1fr);gap:20px;padding:0 18px}
.site-main{min-width:0;padding-bottom:44px}
.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:12px;max-height:calc(100vh - 112px);overflow:auto;margin-top:24px}
.side-category a{display:block;color:var(--text);border-radius:12px;padding:8px 10px;margin-bottom:4px;font-size:14px;font-weight:700}
.side-category a:hover,.side-category a.active{color:var(--red);background:rgba(201,0,0,0.08)}
.banner-slider{max-width:var(--max);margin:24px auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:var(--shadow);overflow:hidden;position:relative;height:clamp(260px,30vw,360px)}
.banner-track{height:100%;display:flex;transition:transform .45s ease}
.banner-slide{height:100%;min-width:100%;display:flex;align-items:center;justify-content:center;background:#F7F8FA}
.banner-slide img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:none;border-radius:50%;background:rgba(255,255,255,.86);color:var(--red);font-size:24px;font-weight:900;box-shadow:0 8px 18px rgba(18,28,45,.12);cursor:pointer;z-index:3}
.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;align-items:center;justify-content:center;gap:8px;z-index:3}
.slider-dots button{width:10px;height:10px;border:0;border-radius:50%;background:rgba(31,35,41,.28);cursor:pointer;padding:0}
.slider-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}
.section{max-width:var(--max);margin:0 auto 34px;padding:0 0}
.section-pad{padding:28px;background:#FFFFFF;border:1px solid rgba(201,0,0,0.08);box-shadow:var(--shadow);border-radius:24px}
.section-soft{background:var(--light);border-radius:24px;padding:28px;border:1px solid rgba(201,0,0,0.08)}
h1,h2,h3,.section-title{color:var(--red);line-height:1.3;margin:0 0 14px}
h1{font-size:clamp(28px,4vw,44px)}
h2,.section-title{font-size:clamp(22px,3vw,32px)}
h3{font-size:20px}
p{margin:0 0 14px}.lead{font-size:18px;color:#38404B}.muted{color:var(--muted)}
.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--red);background:rgba(201,0,0,.08);border-radius:999px;padding:6px 12px;font-weight:800;margin-bottom:12px;font-size:14px}
.hero-page{max-width:var(--max);margin:24px auto 34px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:24px;align-items:center;background:#FFFFFF;border:1px solid rgba(201,0,0,.08);box-shadow:var(--shadow);border-radius:26px;padding:30px}
.hero-page img{width:100%;height:280px;object-fit:contain;background:#F7F8FA;border-radius:20px}
.quick-grid,.stats-grid,.card-grid,.product-grid,.review-grid,.faq-grid{display:grid;gap:18px}
.quick-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:20px}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.product-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.stat-card,.faq-card,.quick-card,.product-card{background:#FFFFFF;border:1px solid rgba(201,0,0,0.10);box-shadow:var(--shadow);border-radius:18px;padding:20px;overflow:hidden}
.quick-card{padding:18px}.quick-card strong,.stat-card strong{display:block;color:var(--red);font-size:20px;margin-bottom:6px}.stat-card{background:linear-gradient(180deg,#fff 0%,#fff5f5 100%)}
.zone-card img,.info-card img,.content-img{width:100%;height:auto;max-height:230px;object-fit:contain;background:#F7F8FA;border-radius:16px;margin-bottom:16px}.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA;border-radius:15px;margin-bottom:14px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.85fr);gap:24px;align-items:center}.split.reverse{grid-template-columns:minmax(300px,.85fr) minmax(0,1fr)}
.img-panel{background:#F7F8FA;border-radius:20px;padding:12px;border:1px solid rgba(201,0,0,.08)}.img-panel img{width:100%;height:260px;object-fit:contain;border-radius:16px}
.list-clean{padding:0;margin:14px 0 0;list-style:none}.list-clean li{position:relative;padding-left:18px;margin:8px 0;color:var(--muted)}.list-clean li:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--red);position:absolute;left:0;top:12px}
.horizontal-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(210px,1fr);gap:16px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x proximity}.horizontal-scroll .product-card{scroll-snap-align:start}
.notice-band{background:#11151C;color:#E7ECF3;border-radius:24px;padding:26px;border:1px solid rgba(255,255,255,.08)}.notice-band h2,.notice-band h3{color:#FFFFFF}.notice-band p{color:#E7ECF3}.notice-band .main-btn{box-shadow:none}
.page-content{max-width:var(--max);margin:0 auto 38px}.content-stack{display:grid;gap:22px}.body-card{background:#FFFFFF;border:1px solid rgba(201,0,0,.08);border-radius:22px;box-shadow:var(--shadow);padding:26px}.body-card h2{margin-top:0}.body-card img{max-height:260px;object-fit:contain;background:#F7F8FA;border-radius:18px;margin:6px 0 18px}
.service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:12px}.service-item{background:#F6F7F9;border:1px solid rgba(201,0,0,.08);border-radius:16px;padding:16px}.service-item strong{color:var(--red);display:block;margin-bottom:5px}
.review-card p{color:var(--muted)}.review-card strong{color:var(--text);display:block;margin-top:10px}.faq-card h3{margin-bottom:8px}.faq-card p{color:var(--muted)}
.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#F6F7F9;border:1px solid rgba(201,0,0,.08);border-radius:20px;padding:20px;margin-top:18px}.cta-strip p{margin:0;color:var(--muted)}
.site-footer{background:#11151C;color:#E7ECF3;margin-top:36px;padding:38px 20px}.footer-inner{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1.1fr 1fr 1.2fr;gap:24px}.footer-brand img{max-height:52px;width:auto;margin-bottom:14px}.footer-brand p,.footer-note p{color:#E7ECF3;margin-bottom:10px}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.footer-links a{color:#E7ECF3;background:rgba(255,255,255,.06);border-radius:12px;padding:10px 12px}.footer-links a:hover{background:rgba(201,0,0,.5)}
.drawer-mask{position:fixed;inset:0;background:rgba(17,21,28,.42);z-index:1200;opacity:0;pointer-events:none;transition:.25s}.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:320px;background:#FFFFFF;z-index:1201;transform:translateX(-104%);transition:.28s ease;box-shadow:12px 0 30px rgba(18,28,45,.16);overflow-y:auto}.drawer-open .drawer-mask{opacity:1;pointer-events:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(201,0,0,.10)}.drawer-logo img{max-height:46px}.drawer-close{border:0;background:rgba(201,0,0,.08);color:var(--red);width:38px;height:38px;border-radius:12px;font-size:26px;line-height:1;cursor:pointer}.drawer-nav{display:grid;padding:12px}.drawer-nav a{padding:12px 14px;border-radius:12px;font-weight:700;color:var(--text)}.drawer-nav a.active,.drawer-nav a:hover{background:rgba(201,0,0,.08);color:var(--red)}
.mobile-bottom-nav{display:none}
@media (max-width:1100px){.layout-shell{display:block;max-width:var(--max);padding:0 18px}.side-category{display:none}.section,.banner-slider,.hero-page,.page-content{max-width:100%}.nav-core{gap:6px}.nav-core a{padding:9px 12px;font-size:14px}}
@media (max-width:820px){body{padding-bottom:70px;font-size:15px}.header-inner{min-height:64px;padding:0 12px;gap:10px}.menu-toggle{display:block}.nav-core{display:none}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.register-btn{padding:9px 16px;margin-left:auto}.banner-slider{height:clamp(150px,48vw,210px);margin:16px auto 24px;border-radius:18px}.slider-arrow{width:34px;height:34px;font-size:20px}.slider-arrow.prev{left:8px}.slider-arrow.next{right:8px}.slider-dots{bottom:8px}.section-pad,.section-soft,.body-card{padding:20px;border-radius:20px}.quick-grid,.stats-grid,.card-grid,.product-grid,.review-grid,.faq-grid,.service-list{grid-template-columns:1fr}.hero-page{grid-template-columns:1fr;padding:20px;margin:16px auto 24px;border-radius:22px}.hero-page img,.img-panel img,.body-card img{height:200px;max-height:220px}.split,.split.reverse{grid-template-columns:1fr}.product-card img{height:145px}.zone-card img,.info-card img,.content-img{max-height:190px}.cta-strip{display:block}.footer-inner{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;background:#FFFFFF;border-top:1px solid rgba(31,35,41,.12);z-index:999;padding:7px 6px 8px}.mobile-bottom-nav a{text-align:center;color:#5D6673;font-weight:800;font-size:13px;border-radius:12px;padding:8px 4px}.mobile-bottom-nav a.active{color:var(--red);background:rgba(201,0,0,.08)}}
@media (max-width:420px){.register-btn{padding:8px 12px}.logo img{max-height:38px}.section{margin-bottom:24px}.footer-links{grid-template-columns:1fr}.horizontal-scroll{grid-auto-columns:minmax(185px,82%)}}