:root{
  --red:#C90000;
  --red-dark:#A80000;
  --red-light:rgba(201,0,0,0.08);
  --text:#1F2329;
  --muted:#5D6673;
  --quiet:#8A93A0;
  --gray:#F6F7F9;
  --section:#F1F3F6;
  --border:rgba(201,0,0,0.12);
  --shadow:0 12px 30px rgba(18,28,45,0.08);
  --btn:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);
}
*{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:1.7;padding-top:74px;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.site-header{position:fixed;left:0;top:0;width:100%;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:1380px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;padding:0 28px}
.logo img,.drawer-logo img,.footer-logo img{max-height:52px;width:auto;display:block}
.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(--gray);border-radius:999px;padding:10px 16px;font-weight:700;transition:.2s ease;border:1px solid transparent}
.nav-core a:hover,.nav-core a.active{color:var(--red);background:var(--red-light);border-color:var(--border)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 22px;border-radius:999px;background:var(--btn);color:#FFFFFF;font-weight:800;box-shadow:0 10px 20px rgba(201,0,0,.18);border:0;white-space:nowrap}
.nav-register{margin-left:auto;flex:0 0 auto}
.menu-toggle{display:none;background:#fff;border:1px solid var(--border);border-radius:14px;width:42px;height:42px;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--red);border-radius:2px}
.page-area{max-width:1380px;margin:0 auto;display:grid;grid-template-columns:176px minmax(0,1fr);gap:24px;padding:22px 28px 0}
.site-main{min-width: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 - 116px);overflow:auto}
.side-category strong{display:block;color:var(--red);font-size:15px;margin:2px 8px 10px}
.side-category a{display:block;color:var(--text);border-radius:12px;padding:9px 10px;font-size:14px;font-weight:700;margin:3px 0;transition:.2s ease}
.side-category a:hover,.side-category a.active{color:var(--red);background:var(--red-light)}
.banner-slider{max-width:1180px;margin:6px auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:var(--shadow);overflow:hidden;position:relative;height:clamp(260px,28vw,360px)}
.slider-track{width:100%;height:100%;position:relative}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;background:#F7F8FA}
.slide.active{opacity:1;z-index:1}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.6);background:rgba(17,21,28,.36);color:#fff;font-size:28px;line-height:1;cursor:pointer}
.slider-arrow.prev{left:14px}.slider-arrow.next{right:14px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;gap:8px;justify-content:center;z-index:4}
.slider-dot{width:9px;height:9px;border-radius:50%;border:0;background:rgba(31,35,41,.28);padding:0;cursor:pointer}.slider-dot.active{background:var(--red);width:24px;border-radius:999px}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.section{margin:0 auto 28px;max-width:1180px;background:#FFFFFF;border-radius:24px;padding:28px;border:1px solid rgba(201,0,0,0.08);box-shadow:var(--shadow)}
.section.soft{background:var(--gray)}
.section.plain{box-shadow:none;border-color:transparent;background:#FFFFFF;padding:12px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}
h1,h2,h3,.section-title{color:var(--red);line-height:1.25;margin:0 0 12px}
h1{font-size:clamp(28px,4vw,46px)}h2{font-size:clamp(22px,3vw,32px)}h3{font-size:20px}
p{margin:0 0 12px;color:var(--muted)}
.lead{font-size:18px;color:var(--text);max-width:850px}.eyebrow{display:inline-flex;align-items:center;border-radius:999px;background:var(--red-light);color:var(--red);font-weight:800;padding:6px 12px;margin-bottom:12px}
.hero-panel{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:26px;align-items:center}.hero-panel img,.feature-img{width:100%;height:260px;object-fit:contain;background:#F7F8FA;border-radius:20px;border:1px solid rgba(201,0,0,.08)}
.quick-grid,.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.quick-card,.card,.zone-card,.info-card,.review-card,.faq-card{background:#FFFFFF;border:1px solid rgba(201,0,0,0.10);box-shadow:var(--shadow);border-radius:18px;padding:18px}.quick-card strong,.card strong{display:block;color:var(--red);font-size:18px;margin-bottom:6px}.quick-card p,.card p{font-size:14px;margin:0;color:var(--muted)}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;background:linear-gradient(135deg,#D70000,#990000);border-radius:24px;padding:18px;box-shadow:0 16px 32px rgba(201,0,0,.18);max-width:1180px;margin:0 auto 28px}.data-item{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);border-radius:18px;padding:18px;color:#fff}.data-item b{display:block;font-size:22px;margin-bottom:6px}.data-item span{display:block;color:rgba(255,255,255,.86);font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.info-card{display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;align-items:center}.info-card img{width:100%;height:160px;object-fit:contain;background:#F7F8FA;border-radius:16px}.info-card ul,.text-list{margin:10px 0 0;padding-left:18px;color:var(--muted)}.info-card li,.text-list li{margin:4px 0}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{background:#FFFFFF;border:1px solid rgba(201,0,0,0.10);box-shadow:var(--shadow);border-radius:18px;overflow:hidden}.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA}.product-card .body{padding:16px}.product-card h3{font-size:19px}.product-card p{font-size:14px}.more-link{display:inline-flex;color:var(--red);font-weight:800;margin-top:4px}
.horizontal-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.zone-card img{width:100%;height:150px;object-fit:contain;background:#F7F8FA;border-radius:16px;margin-bottom:12px}.zone-card p{font-size:14px}.combo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.combo-grid .zone-card img{height:170px}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card p{font-size:15px;color:var(--text)}.review-card span{display:block;color:var(--quiet);font-size:13px;margin-top:8px}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.faq-card h3{font-size:18px}.faq-card p{font-size:14px}.notice-box{background:#fff;border:1px solid rgba(201,0,0,.12);border-left:5px solid var(--red);border-radius:18px;padding:18px;color:var(--muted);box-shadow:var(--shadow)}
.page-hero{max-width:1180px;margin:6px auto 28px;background:linear-gradient(180deg,#FFFFFF 0%,#F6F7F9 100%);border:1px solid rgba(201,0,0,.10);box-shadow:var(--shadow);border-radius:26px;padding:34px;display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}.page-hero img{width:100%;height:260px;object-fit:contain;background:#F7F8FA;border-radius:22px}.page-hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}.ghost-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 20px;border-radius:999px;border:1px solid var(--border);color:var(--red);font-weight:800;background:#fff}
.content-block{max-width:1180px;margin:0 auto 28px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.list-card{background:#fff;border:1px solid rgba(201,0,0,.10);box-shadow:var(--shadow);border-radius:18px;padding:22px}.list-card h2{font-size:24px}.list-card p{color:var(--muted)}.number-list{list-style:none;margin:0;padding:0}.number-list li{position:relative;padding:12px 0 12px 44px;border-bottom:1px solid #EEF0F3;color:var(--muted)}.number-list li:last-child{border-bottom:0}.number-list li:before{content:counter(item);counter-increment:item;position:absolute;left:0;top:10px;width:28px;height:28px;border-radius:50%;background:var(--red-light);color:var(--red);font-weight:900;text-align:center;line-height:28px}.number-list{counter-reset:item}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mini-card{padding:18px;background:#fff;border:1px solid rgba(201,0,0,.10);border-radius:18px;box-shadow:var(--shadow)}.mini-card img{width:100%;height:145px;object-fit:contain;background:#F7F8FA;border-radius:14px;margin-bottom:10px}.mini-card h3{font-size:18px}.mini-card p{font-size:14px}.quote-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.quote{background:var(--gray);border:1px solid rgba(201,0,0,.10);border-radius:18px;padding:18px;color:var(--text)}.quote span{display:block;color:var(--quiet);font-size:13px;margin-top:8px}.service-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid rgba(201,0,0,.10);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.service-table th,.service-table td{padding:14px 16px;border-bottom:1px solid #EEF0F3;text-align:left}.service-table th{color:var(--red);background:#FFF7F7}.service-table tr:last-child td{border-bottom:0}.site-footer{margin-top:34px;background:#11151C;color:#E7ECF3}.footer-inner{max-width:1380px;margin:0 auto;padding:34px 28px;display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px}.footer-brand p{color:#C8D0DA;margin-top:12px}.footer-col h3{color:#fff;font-size:18px}.footer-col a{display:block;color:#C8D0DA;margin:8px 0}.footer-col a:hover{color:#fff}.footer-note{border-top:1px solid rgba(255,255,255,.10);max-width:1380px;margin:0 auto;padding:16px 28px 26px;color:#C8D0DA;font-size:14px}.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}
@media (max-width:1200px){.page-area{grid-template-columns:1fr}.side-category{display:none}.header-inner{padding:0 18px}.nav-core{gap:6px}.nav-core a{padding:9px 12px}.quick-grid,.data-strip,.horizontal-cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:820px){body{padding-top:66px;padding-bottom:76px}.site-header{height:66px}.header-inner{min-height:66px;padding:0 12px;gap:10px}.menu-toggle{display:flex;flex:0 0 42px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.nav-core{display:none}.nav-register{min-height:38px;padding:8px 15px;font-size:14px;margin-left:auto}.page-area{display:block;padding:14px 12px 0}.banner-slider{height:clamp(150px,48vw,210px);border-radius:16px;margin:6px 0 18px}.slider-arrow{width:34px;height:34px;font-size:22px}.section{padding:20px;border-radius:18px;margin-bottom:18px}.section-head{display:block}.hero-panel,.page-hero,.split,.two-col,.info-card{grid-template-columns:1fr}.hero-panel img,.page-hero img,.feature-img{height:210px}.page-hero{padding:22px;border-radius:20px;margin-bottom:18px}.quick-grid,.card-grid,.data-strip,.product-grid,.horizontal-cards,.combo-grid,.review-grid,.faq-grid,.mini-grid,.quote-row{grid-template-columns:1fr}.data-strip{padding:14px;border-radius:18px}.info-card img,.product-card img,.zone-card img,.combo-grid .zone-card img,.mini-card img{height:145px}.footer-inner{grid-template-columns:1fr;padding:28px 18px;gap:14px}.footer-note{padding:14px 18px 88px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(17,21,28,.45);z-index:1200;opacity:0;pointer-events:none;transition:.25s ease}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:82vw;max-width:320px;background:#fff;z-index:1300;transform:translateX(-103%);transition:.25s ease;box-shadow:20px 0 40px rgba(0,0,0,.18);overflow-y:auto}.menu-open .drawer-mask{opacity:1;pointer-events:auto}.menu-open .mobile-drawer{transform:translateX(0)}.menu-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #EEF0F3}.drawer-logo img{max-height:46px}.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--red);font-size:24px}.drawer-links{padding:12px}.drawer-links a{display:block;padding:12px 14px;border-radius:12px;color:var(--text);font-weight:700}.drawer-links a.active,.drawer-links a:hover{background:var(--red-light);color:var(--red)}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:64px;background:#FFFFFF;border-top:1px solid #E6E8EC;z-index:1000;display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;color:#5D6673;font-size:13px;font-weight:800}.mobile-bottom-nav a span{width:6px;height:6px;border-radius:50%;background:#CBD0D6}.mobile-bottom-nav a.active{color:var(--red)}.mobile-bottom-nav a.active span{background:var(--red)}h1{font-size:28px}h2{font-size:23px}.lead{font-size:16px}.service-table{font-size:14px}.service-table th,.service-table td{padding:11px 10px}}
@media (max-width:420px){.nav-register{padding:7px 12px}.page-hero img,.hero-panel img,.feature-img{height:180px}.section{padding:18px}.slider-dots{bottom:10px}.slider-dot{width:8px;height:8px}.slider-dot.active{width:20px}}