:root {
  --red:#C90000; --red-dark:#A80000; --red-soft:rgba(201,0,0,.08);
  --text:#1F2329; --muted:#5D6673; --soft:#8A93A0; --line:rgba(201,0,0,.12);
  --page:#FFFFFF; --section:#F6F7F9; --section-2:#F1F3F6; --footer:#11151C;
  --shadow:0 12px 30px rgba(18,28,45,.08); --radius:18px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--page);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75} body.drawer-open{overflow:hidden} a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button{font:inherit}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,0,0,.08)}
.header-inner{max-width:1440px;min-height:74px;margin:auto;padding:10px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{flex:0 0 auto}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;justify-content:center;gap:10px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:var(--text);background:var(--section);border-radius:999px;padding:9px 16px;font-size:15px;font-weight:700;transition:.2s}.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:44px;padding:10px 24px;border-radius:999px;background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(201,0,0,.18);transition:.2s}.main-btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(201,0,0,.24)}.header-register{flex:0 0 auto}.menu-toggle{display:none;width:42px;height:42px;border:0;background:var(--section);border-radius:12px;padding:10px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:var(--text);margin:5px 0;border-radius:2px}
.site-layout{max-width:1440px;margin:auto;padding:22px 28px 72px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px}.site-main{min-width:0}.side-category{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 116px);overflow:auto;background:#fff;border:1px solid rgba(201,0,0,.10);border-radius:18px;box-shadow:var(--shadow);padding:14px}.side-title{margin:2px 6px 10px;font-weight:800;color:var(--red)}.side-category nav{display:grid;gap:4px}.side-category a{color:var(--text);border-radius:12px;padding:8px 12px;font-size:14px;transition:.2s}.side-category a:hover,.side-category a.active{color:var(--red);background:var(--red-soft);font-weight:700}
.banner-slider{width:100%;margin:0 auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:var(--shadow);overflow:hidden;position:relative;min-height:260px;max-height:360px;aspect-ratio:16/5.2}.slides{height:100%;position:relative}.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .45s ease}.slide.active{opacity:1;pointer-events:auto}.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:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:var(--text);font-size:24px;cursor:pointer;box-shadow:0 5px 18px rgba(0,0,0,.12)}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.slider-dot{width:10px;height:10px;border:0;border-radius:50%;background:rgba(31,35,41,.28);padding:0;cursor:pointer}.slider-dot.active{background:var(--red);transform:scale(1.2)}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.page-hero{position:relative;overflow:hidden;border-radius:24px;background:linear-gradient(135deg,#fff 0%,#f6f7f9 70%,rgba(201,0,0,.08) 100%);border:1px solid var(--line);padding:44px;margin-bottom:28px}.page-hero::after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-60px;top:-70px;background:rgba(201,0,0,.08)}.eyebrow{display:inline-flex;padding:5px 12px;border-radius:999px;background:var(--red-soft);color:var(--red);font-size:13px;font-weight:800}.page-hero h1,.section-title,h1,h2,h3{color:var(--red)}.page-hero h1{font-size:clamp(30px,4vw,52px);line-height:1.22;margin:16px 0}.page-hero p{max-width:840px;margin:0;color:var(--muted);font-size:17px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--red)}
.section{padding:34px 0}.section.alt{background:var(--section);border-radius:24px;padding:34px;margin:18px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-head h2{margin:0;font-size:clamp(24px,3vw,36px)}.section-head p{margin:0;color:var(--muted);max-width:650px}.lead-grid,.split-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center}.content-copy h2{margin-top:0}.content-copy p{color:var(--muted)}.content-img-wrap{background:#F7F8FA;border-radius:20px;border:1px solid var(--line);padding:14px}.content-img{width:100%;height:260px;object-fit:contain;background:#F7F8FA;border-radius:14px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.zone-card,.info-card,.review-card,.faq-item,.notice-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px}.card,.info-card,.review-card,.notice-card{padding:22px}.card h3,.info-card h3,.review-card h3{margin:0 0 8px;font-size:20px}.card p,.info-card p,.review-card p{margin:0;color:var(--muted)}.zone-card{overflow:hidden}.zone-card img,.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA}.zone-body{padding:18px}.zone-body h3{margin:0 0 8px}.zone-body p{margin:0 0 12px;color:var(--muted)}.card-link{color:var(--red);font-weight:800}.summary-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;background:linear-gradient(135deg,#D31313,#A80000);padding:18px;border-radius:22px;color:#fff;box-shadow:0 16px 36px rgba(201,0,0,.2);margin:26px 0}.summary-item{padding:16px;border-radius:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}.summary-item strong{display:block;font-size:18px}.summary-item p{margin:6px 0 0;color:rgba(255,255,255,.86);font-size:14px}
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.quick-card{padding:18px;border-radius:16px;background:var(--section);border:1px solid transparent}.quick-card:hover{border-color:var(--line);background:#fff;box-shadow:var(--shadow)}.quick-card strong{display:block;color:var(--red)}.quick-card span{display:block;color:var(--muted);font-size:14px;margin-top:5px}
.horizontal-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(210px,1fr);gap:16px;overflow-x:auto;padding:4px 2px 18px;scroll-snap-type:x mandatory}.horizontal-scroll .zone-card{scroll-snap-align:start}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.review-card .review-label{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--red-soft);color:var(--red);font-size:12px;font-weight:800;margin-bottom:10px}.faq-list{display:grid;gap:12px}.faq-item{padding:20px}.faq-item summary{cursor:pointer;font-weight:800;color:var(--text);list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";float:right;color:var(--red);font-size:22px}.faq-item[open] summary::after{content:"−"}.faq-item p{margin:14px 0 0;color:var(--muted)}
.breadcrumbs{font-size:14px;color:var(--soft);margin:4px 0 16px}.breadcrumbs a{color:var(--red)}.feature-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.feature-list li{position:relative;padding-left:26px;color:var(--muted)}.feature-list li::before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:900}.notice-card{border-left:4px solid var(--red)}.notice-card h2{margin-top:0}.notice-card p{margin-bottom:0;color:var(--muted)}
.site-footer{background:var(--footer);color:#E7ECF3;padding:54px 28px 88px}.footer-grid{max-width:1220px;margin:auto;display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:32px}.footer-logo img{max-height:52px;width:auto;}.footer-brand p,.footer-action p{color:#AEB7C4}.site-footer h2{color:#fff;font-size:17px;margin-top:0}.site-footer a:not(.main-btn):not(.footer-logo){display:block;color:#C7CFDA;margin:7px 0}.site-footer a:hover{color:#fff}.compliance-note{max-width:1220px;margin:34px auto 0;padding:18px;border:1px solid rgba(255,255,255,.12);border-radius:14px;color:#C7CFDA;background:rgba(255,255,255,.04)}.footer-bottom{max-width:1220px;margin:20px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);color:#8F99A8;font-size:14px}.footer-action .main-btn{margin-top:8px}
.mobile-drawer{position:fixed;z-index:1200;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;transform:translateX(-105%);transition:.25s ease;box-shadow:12px 0 30px rgba(0,0,0,.15);overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid #eee}.drawer-logo img{max-height:46px;width:auto}.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:var(--section);font-size:28px;line-height:1;cursor:pointer}.drawer-links{display:grid;padding:14px}.drawer-links a{padding:11px 14px;border-radius:12px}.drawer-links a:hover,.drawer-links a.active{color:var(--red);background:var(--red-soft);font-weight:700}.drawer-mask{position:fixed;z-index:1100;inset:0;background:rgba(17,21,28,.48);opacity:0;transition:.22s}.drawer-mask.show{opacity:1}.mobile-bottom-nav{display:none}
@media (max-width:1180px){.site-layout{grid-template-columns:190px minmax(0,1fr);gap:20px}.nav-core a{padding:8px 12px}.header-inner{gap:16px}.card-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:960px){.side-category{display:none}.site-layout{display:block;padding:18px 20px 78px}.nav-core{display:none}.menu-toggle{display:block}.header-inner{padding:9px 18px;min-height:66px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:46px}.header-register{padding:8px 17px;min-height:40px}.lead-grid,.split-grid{grid-template-columns:1fr}.summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid,.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:1000;background:#fff;border-top:1px solid #e5e7eb;padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -8px 24px rgba(18,28,45,.08)}.mobile-bottom-nav a{display:flex;min-height:58px;align-items:center;justify-content:center;flex-direction:column;font-size:12px;color:var(--muted)}.mobile-bottom-nav a span{font-weight:900;font-size:15px;line-height:1.2}.mobile-bottom-nav a.active{color:var(--red)}.site-footer{padding-bottom:112px}}
@media (max-width:640px){.site-layout{padding:14px 14px 72px}.page-hero{padding:28px 22px;border-radius:20px}.page-hero h1{font-size:32px}.page-hero p{font-size:15px}.banner-slider{min-height:150px;max-height:210px;aspect-ratio:16/7.6;border-radius:18px;margin-bottom:22px}.slider-arrow{width:38px;height:38px;font-size:21px}.slider-arrow.prev{left:8px}.slider-arrow.next{right:8px}.section{padding:25px 0}.section.alt{padding:24px 18px;border-radius:20px}.section-head{display:block}.section-head p{margin-top:8px}.summary-strip,.card-grid,.card-grid.two,.card-grid.four,.review-grid,.quick-grid{grid-template-columns:1fr}.summary-strip{padding:14px}.content-img{height:210px}.zone-card img,.product-card img{height:150px}.footer-grid{grid-template-columns:1fr}.site-footer{padding-left:20px;padding-right:20px}.header-register{padding:7px 14px}.logo img{max-width:125px}.quick-card{padding:16px}}
