:root{--red:#c90000;--red-dark:#a80000;--red-soft:rgba(201,0,0,.08);--text:#1f2329;--muted:#5d6673;--light:#f6f7f9;--section:#f1f3f6;--line:rgba(201,0,0,.12);--shadow:0 12px 30px rgba(18,28,45,.08);--radius:18px;--header:74px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;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{max-width:100%;display:block}.skip-link{position:fixed;left:12px;top:-60px;z-index:300;background:#111;color:#fff;padding:8px 14px;border-radius:8px}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,0,0,.08)}.header-inner{max-width:1440px;margin:auto;min-height:var(--header);padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:inline-flex;align-items:center;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;min-width:0}.nav-core a{color:var(--text);background:var(--light);border-radius:999px;padding:9px 16px;font-size:15px;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:42px;padding:10px 24px;border-radius:999px;background:linear-gradient(180deg,#f12b2b 0%,#c90000 55%,#a80000 100%);color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(201,0,0,.22);transition:.2s}.main-btn:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(201,0,0,.26)}.header-register{flex:0 0 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15px}h2{font-size:clamp(23px,2.6vw,34px);margin:0 0 14px}h3{font-size:19px;margin:0 0 9px}.lead{font-size:17px;color:var(--muted);margin:0 0 18px}.button-row{display:flex;flex-wrap:wrap;gap:12px}.text-link{display:inline-flex;align-items:center;padding:9px 0;color:var(--red);font-weight:700}.hero-visual img,.feature-media img,.content-img{width:100%;height:auto;max-height:285px;object-fit:contain;background:#f7f8fa;border-radius:18px}.section{padding:34px 0}.section.alt{margin-left:-18px;margin-right:-18px;padding-left:18px;padding-right:18px;background:var(--light);border-radius:26px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head p{margin:0;color:var(--muted);max-width:680px}.summary-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 28px}.summary-item{background:linear-gradient(180deg,#e52929,#b40000);color:#fff;border-radius:17px;padding:21px;box-shadow:0 12px 24px 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img{width:100%;height:170px;object-fit:contain;background:#f7f8fa}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card{padding:22px}.review-card strong{display:block;color:var(--red);margin-bottom:8px}.review-card small{display:block;margin-top:12px;color:#8a93a0}.notice-box{border-left:4px solid var(--red);background:#fff6f6;border-radius:14px;padding:20px 22px;margin:24px 0}.notice-box h2,.notice-box h3{font-size:20px}.notice-box p{margin:5px 0;color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;padding:18px 20px}.faq-item h3{font-size:17px}.faq-item p{margin:6px 0 0;color:var(--muted)}.service-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px}.step 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img{max-height:48px;filter:brightness(0) invert(1)}.footer-notice{max-width:1180px;margin:28px auto 0;padding:18px;border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);color:#c1c8d2;font-size:14px}.footer-bottom{max-width:1180px;margin:16px auto 0;display:flex;justify-content:space-between;color:#8f99a8;font-size:13px}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;z-index:210;width:min(84vw,320px);background:#fff;transform:translateX(-104%);transition:transform .22s ease;box-shadow:16px 0 40px rgba(0,0,0,.18);padding:16px;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid #eee}.drawer-close{width:40px;height:40px;border:0;border-radius:50%;font-size:27px;background:var(--light);cursor:pointer}.drawer-nav{display:grid;gap:5px;padding-top:12px}.drawer-nav a{padding:10px 12px;border-radius:12px}.drawer-nav a.active,.drawer-nav 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@media (max-width:1180px){.site-layout{grid-template-columns:190px minmax(0,1fr);gap:20px;padding-left:18px;padding-right:18px}.nav-core a{padding:8px 12px}.header-inner{gap:14px;padding:0 18px}.card-grid.four{grid-template-columns:repeat(2,1fr)}.summary-strip{grid-template-columns:repeat(2,1fr)}}
@media (max-width:960px){.nav-core,.side-category{display:none}.menu-toggle{display:block}.header-inner{display:grid;grid-template-columns:48px 1fr auto;gap:10px}.header-inner>.logo{justify-self:center}.site-layout{display:block;padding:18px 16px 0}.hero-intro,.page-hero{grid-template-columns:1fr}.card-grid,.review-grid{grid-template-columns:repeat(2,1fr)}.quick-grid{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.split.reverse .feature-media{order:0}.service-steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media (max-width:640px){:root{--header:66px}body{padding-bottom:66px}.header-inner{padding:0 12px}.logo img{max-height:44px}.header-register{padding:8px 16px;min-height:38px}.site-layout{padding:12px 12px 0}.banner-slider{height:clamp(150px,48vw,210px);border-radius:15px;margin-bottom:20px}.slider-arrow{width:34px;height:34px;font-size:21px}.slider-prev{left:8px}.slider-next{right:8px}.hero-intro,.page-hero{padding:23px 19px;border-radius:18px}.hero-intro{grid-template-columns:1fr}.section{padding:27px 0}.section.alt{margin-left:-8px;margin-right:-8px;padding-left:8px;padding-right:8px}.section-head{display:block}.summary-strip,.card-grid,.card-grid.four,.review-grid,.quick-grid{grid-template-columns:1fr}.card img,.zone-card img,.info-card img,.product-card img{height:155px}.hero-visual img,.feature-media img,.content-img{max-height:220px}.horizontal-scroll{grid-auto-columns:82%}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:150;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #e7e9ed;padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -8px 25px rgba(0,0,0,.08)}.mobile-bottom-nav a{display:flex;min-height:58px;flex-direction:column;align-items:center;justify-content:center;color:#5d6673;font-size:12px;line-height:1.3}.mobile-bottom-nav a span{font-weight:800}.mobile-bottom-nav a.active{color:var(--red)}.table-row{grid-template-columns:1fr}.table-row strong{padding-bottom:6px}.table-row span{padding-top:6px}.site-footer{margin-top:38px;padding-left:16px;padding-right:16px}}