:root{
  --red:#C90000;
  --red-dark:#A80000;
  --red-light:rgba(201,0,0,0.08);
  --text:#1F2329;
  --muted:#5D6673;
  --soft:#8A93A0;
  --bg:#FFFFFF;
  --gray:#F6F7F9;
  --gray2:#F1F3F6;
  --border:rgba(201,0,0,0.12);
  --shadow:0 12px 30px rgba(18,28,45,0.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.72;overflow-x:hidden;padding-top:86px}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:fixed;left:0;right:0;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:1280px;margin:0 auto;padding:0 24px;min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;flex:0 0 auto}.logo img{max-height:52px;width:auto}.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-size:15px;font-weight:700;transition:.2s}.nav-core a:hover,.nav-core a.active{color:var(--red);background:var(--red-light)}
.register-btn,.main-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:11px 22px;background:linear-gradient(180deg,#F12B2B 0%,#C90000 55%,#A80000 100%);color:#fff;font-weight:800;box-shadow:0 10px 22px rgba(201,0,0,.18);border:0;white-space:nowrap}.register-btn{flex:0 0 auto}.register-btn:hover,.main-btn:hover{filter:brightness(.97);transform:translateY(-1px)}
.mobile-menu-btn{display:none;background:#fff;border:1px solid var(--border);border-radius:12px;width:42px;height:42px;color:var(--red);font-size:22px;font-weight:800}.layout-shell{max-width:1340px;margin:0 auto;display:grid;grid-template-columns:190px minmax(0,1fr);gap:24px;padding:18px 24px 0}.side-wrap{display:block}.side-category{position:sticky;top:96px;background:#fff;border:1px solid rgba(201,0,0,0.10);border-radius:18px;box-shadow:var(--shadow);padding:10px}.side-category a{display:block;color:var(--text);border-radius:12px;padding:8px 12px;margin:2px 0;font-size:14px;font-weight:700}.side-category a:hover,.side-category a.active{color:var(--red);background:var(--red-light)}.page-content{min-width:0}.section{margin:34px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-kicker{display:inline-flex;color:var(--red);background:var(--red-light);border:1px solid var(--border);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:800;margin-bottom:10px}.section-title,h1,h2,h3{color:var(--red);line-height:1.28;margin:0 0 12px}.section-title{font-size:30px}.section-desc,.muted{color:var(--muted)}p{margin:0 0 12px}.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box,.inner-hero,.summary-card{background:#fff;border:1px solid rgba(201,0,0,0.10);box-shadow:var(--shadow);border-radius:18px}.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)}.slide{display:none;width:100%;height:100%}.slide.is-active{display:block}.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-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,.72);background:rgba(255,255,255,.82);color:var(--red);font-size:30px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}.slider-dot{width:9px;height:9px;border-radius:999px;border:0;background:rgba(31,35,41,.24);cursor:pointer;padding:0}.slider-dot.is-active{width:26px;background:var(--red)}
.quick-panel{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:24px;align-items:center}.quick-copy{padding:28px}.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.quick-links a{background:var(--gray);border:1px solid rgba(201,0,0,.08);padding:9px 14px;border-radius:999px;font-weight:700;color:var(--text)}.quick-links a:hover{color:var(--red);background:var(--red-light)}.quick-img{background:#F7F8FA;border-radius:18px;padding:12px}.quick-img img{width:100%;max-height:260px;object-fit:contain}.stats-red{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:linear-gradient(135deg,#D90707,#A80000);border-radius:22px;padding:20px;box-shadow:var(--shadow)}.stats-red .summary-card{background:rgba(255,255,255,.96);padding:18px}.summary-card strong{display:block;color:var(--red);font-size:22px;margin-bottom:6px}.summary-card span{color:var(--muted);font-size:14px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.info-card,.zone-card,.product-card,.review-card,.faq-item{padding:18px}.info-card img,.zone-card img,.content-img{width:100%;max-height:230px;object-fit:contain;background:#F7F8FA;border-radius:14px;margin-bottom:14px}.product-card{background:#fff;border:1px solid rgba(201,0,0,.10);box-shadow:var(--shadow);border-radius:18px;padding:14px}.product-card img{width:100%;height:170px;object-fit:contain;background:#F7F8FA;border-radius:14px;margin-bottom:12px}.tag{display:inline-flex;color:var(--red);background:var(--red-light);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:800;margin-bottom:9px}.combo-band{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.app-service{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:center}.app-service .app-img{background:#F7F8FA;border-radius:18px;padding:16px}.app-service img{width:100%;max-height:300px;object-fit:contain}.notice-box{padding:22px;background:linear-gradient(180deg,#fff,#fff7f7)}.notice-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px}.notice-list span{display:block;background:#fff;border:1px solid rgba(201,0,0,.10);border-radius:14px;padding:12px;color:var(--muted)}.review-card p{color:var(--muted)}.review-card strong{color:var(--red)}.faq-list{display:grid;gap:12px}.faq-item h3{font-size:18px;margin-bottom:6px}.inner-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;padding:26px;margin-bottom:24px;background:linear-gradient(180deg,#fff,#fff8f8)}.inner-hero h1{font-size:34px}.inner-hero img{width:100%;max-height:300px;object-fit:contain;background:#F7F8FA;border-radius:16px}.lead{font-size:17px;color:var(--muted)}.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:22px 0}.service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:20px 0}.service-list li{list-style:none;background:#fff;border:1px solid rgba(201,0,0,.10);border-radius:14px;padding:14px;color:var(--muted)}.service-list ul{padding:0;margin:0}.review-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0}.footer-cta{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px;border-radius:20px;background:var(--gray);border:1px solid rgba(201,0,0,.08);margin:26px 0}.site-footer{background:#11151C;color:#E7ECF3;margin-top:42px}.footer-inner{max-width:1280px;margin:0 auto;padding:34px 24px 44px;display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:26px}.footer-brand img{max-height:48px;width:auto;margin-bottom:12px}.footer-brand p,.footer-note p{color:#B9C3D0}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.footer-links a{color:#E7ECF3;background:rgba(255,255,255,.06);border-radius:999px;padding:9px 12px;text-align:center}.footer-links a:hover{background:rgba(201,0,0,.35)}.mobile-drawer,.drawer-mask{display:none}.mobile-bottom-nav{display:none}
@media(max-width:1180px){.layout-shell{grid-template-columns:1fr;max-width:1080px}.side-wrap{display:none}.nav-core{gap:6px}.nav-core a{padding:9px 12px}}
@media(max-width:760px){body{padding-top:68px;padding-bottom:72px}.site-header{height:68px}.header-inner{min-height:68px;padding:0 12px;gap:10px;justify-content:space-between}.mobile-menu-btn{display:flex;align-items:center;justify-content:center}.logo img{max-height:42px}.nav-core{display:none}.register-btn{padding:9px 15px;font-size:14px}.layout-shell{padding:12px 12px 0}.banner-slider{height:clamp(150px,46vw,210px);border-radius:16px;margin:4px 0 24px}.slider-prev,.slider-next{width:34px;height:34px;font-size:24px}.quick-panel,.inner-hero,.app-service{grid-template-columns:1fr}.quick-copy,.inner-hero{padding:20px}.stats-red,.grid-2,.grid-3,.grid-4,.combo-band,.content-grid,.service-list,.review-strip,.notice-list{grid-template-columns:1fr}.section-title{font-size:24px}.inner-hero h1{font-size:27px}.product-card img{height:145px}.info-card img,.zone-card img,.content-img{max-height:190px}.footer-cta{display:block}.footer-cta .main-btn{margin-top:12px}.footer-inner{grid-template-columns:1fr;padding:28px 16px 90px}.footer-links{grid-template-columns:repeat(2,1fr)}.drawer-mask{position:fixed;inset:0;background:rgba(17,21,28,.45);z-index:1100;opacity:0;pointer-events:none;display:block;transition:.2s}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:84vw;max-width:320px;background:#fff;z-index:1101;display:block;transform:translateX(-105%);transition:.25s;box-shadow:20px 0 45px rgba(18,28,45,.18);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:16px;border-bottom:1px solid rgba(201,0,0,.10)}.drawer-head img{max-height:42px;width:auto}.drawer-close{border:0;background:var(--gray);color:var(--red);font-size:26px;width:38px;height:38px;border-radius:12px}.drawer-links{padding:12px}.drawer-links a{display:block;padding:12px 14px;border-radius:12px;font-weight:700;color:var(--text)}.drawer-links a.active,.drawer-links a:hover{color:var(--red);background:var(--red-light)}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:64px;background:#fff;border-top:1px solid #E3E7EE;display:grid;grid-template-columns:repeat(4,1fr);z-index:990}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:12px;color:var(--muted);font-weight:800}.mobile-bottom-nav a span{font-size:16px;line-height:1}.mobile-bottom-nav a.active{color:var(--red)}}