:root{
    --red:#D60000;
    --red-dark:#B80000;
    --red-soft:rgba(214,0,0,0.10);
    --text:#20242A;
    --muted:#5F6875;
    --light:#F7F8FA;
    --line:rgba(214,0,0,0.12);
    --shadow:0 12px 30px rgba(26,38,56,0.08);
    --deep:#171A22;
}
*{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:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.site-header{position:fixed;top:0;left:0;right:0;z-index:9999;background:rgba(255,255,255,0.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(214,0,0,0.08)}
.header-inner{width:min(1180px,calc(100% - 32px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.logo{flex:0 0 auto;display:flex;align-items:center}.logo img{max-height:52px;width:auto}.nav-core{flex:1 1 auto;display:flex;justify-content:center;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{font-size:15px;font-weight:700;color:#20242A;position:relative;padding:10px 0}.nav-core a:hover,.nav-core a.active{color:var(--red)}.nav-core a.active:after{content:"";position:absolute;left:20%;right:20%;bottom:2px;height:3px;border-radius:8px;background:var(--red)}
.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px}.all-menu-btn{border:1px solid rgba(214,0,0,0.18);background:#FFFFFF;color:var(--red);border-radius:999px;padding:10px 16px;font-weight:800;cursor:pointer}.register-btn,.main-btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:linear-gradient(180deg,#F13A3A 0%,#D60000 55%,#B80000 100%);color:#FFFFFF!important;font-weight:800;min-height:42px;padding:10px 22px;box-shadow:0 10px 22px rgba(214,0,0,0.22)}.register-btn{white-space:nowrap;min-width:78px}.main-btn:hover,.register-btn:hover{transform:translateY(-1px)}
.mobile-menu-toggle{display:none;background:#fff;border:1px solid var(--line);width:42px;height:42px;border-radius:14px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.mobile-menu-toggle span{width:19px;height:2px;border-radius:4px;background:var(--red)}
.mega-mask{position:fixed;inset:76px 0 0;background:rgba(23,26,34,0.28);opacity:0;visibility:hidden;transition:.2s;z-index:9997}.mega-panel{position:fixed;top:76px;left:50%;transform:translateX(-50%) translateY(-12px);width:min(1120px,calc(100% - 32px));background:rgba(255,255,255,0.98);border:1px solid rgba(214,0,0,0.12);border-radius:24px;box-shadow:0 24px 60px rgba(26,38,56,0.14);z-index:10000;padding:22px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.mega-open .mega-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.mega-open .mega-mask{opacity:1;visibility:visible}.mega-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.mega-head strong{font-size:20px;color:var(--red)}.mega-head button,.drawer-top button{border:0;background:#F7F8FA;color:var(--red);border-radius:50%;width:36px;height:36px;font-size:22px;line-height:36px;cursor:pointer}.mega-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.mega-group{background:#FFFFFF;border:1px solid var(--line);border-radius:18px;padding:16px}.mega-group h3{font-size:16px;line-height:1.3;margin:0 0 10px;color:var(--red)}.mega-group a{display:block;padding:10px 8px;border-radius:12px;color:#20242A}.mega-group a:hover{background:#FFF4F4;color:var(--red)}.mega-group span{display:block;font-weight:800;line-height:1.45}.mega-group em{display:block;font-style:normal;font-size:12px;color:#758091;line-height:1.5;margin-top:2px}.mega-group a:hover em{color:var(--red)}
.drawer-mask{position:fixed;inset:0;background:rgba(23,26,34,.42);opacity:0;visibility:hidden;z-index:10001;transition:.2s}.mobile-drawer{position:fixed;top:0;bottom:0;left:0;width:84vw;max-width:320px;background:#FFFFFF;z-index:10002;transform:translateX(-105%);transition:.25s;box-shadow:20px 0 50px rgba(26,38,56,.16);display:flex;flex-direction:column}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-top{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}.drawer-logo img{max-height:50px;width:auto}.drawer-nav{padding:14px 16px 26px;overflow:auto}.drawer-nav a{display:block;padding:12px 14px;border-radius:14px;border:1px solid rgba(214,0,0,0.08);margin-bottom:8px;background:#FFFFFF;font-weight:800}.drawer-nav a:hover{color:var(--red);background:#FFF4F4}
.site-main{padding-top:76px}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}.section{padding:34px 0}.section.tight{padding:24px 0}.section-soft{background:#F7F8FA;padding:46px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--red);font-weight:900;background:#FFF4F4;border:1px solid rgba(214,0,0,.12);border-radius:999px;padding:5px 12px;font-size:13px}.section-title,h1,h2,h3{color:var(--red)}.section-title{font-size:30px;line-height:1.25;margin:10px 0 0}.section-desc{max-width:720px;margin:8px 0 0;color:var(--muted)}.hero-page{background:linear-gradient(180deg,#FFFFFF 0%,#F7F8FA 100%);border-bottom:1px solid rgba(214,0,0,.08);padding:48px 0 28px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:32px;align-items:center}.hero-copy h1{font-size:42px;line-height:1.2;margin:12px 0 14px}.hero-copy p{color:var(--muted);font-size:16px;margin:0 0 14px}.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:22px}.ghost-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 18px;border:1px solid rgba(214,0,0,.18);border-radius:999px;color:var(--red);font-weight:800;background:#FFFFFF}.notice-line{font-size:13px;color:#8A94A3;margin-top:14px}.hero-card{background:#FFFFFF;border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow)}.hero-card img{width:100%;height:280px;object-fit:contain;background:#F7F8FA;border-radius:18px}.hero-card p{margin:14px 4px 2px;color:var(--muted)}
.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:0 12px 30px rgba(26,38,56,0.08);overflow:hidden;position:relative;height:clamp(260px,32vw,380px)}.slider-track,.slide{width:100%;height:100%}.slide{position:absolute;inset:0;opacity:0;transition:opacity .4s}.slide.active{opacity:1}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F7F8FA}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.78);box-shadow:0 8px 18px rgba(26,38,56,.16);cursor:pointer}.slider-prev{left:16px}.slider-next{right:16px}.slider-prev:before,.slider-next:before{content:"";display:block;width:10px;height:10px;border-top:3px solid var(--red);border-left:3px solid var(--red);position:absolute;top:15px}.slider-prev:before{transform:rotate(-45deg);left:17px}.slider-next:before{transform:rotate(135deg);right:17px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}.slider-dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(214,0,0,.25);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}
.card,.zone-card,.info-card,.review-card,.faq-item,.step-card,.alert-card{background:#FFFFFF;border:1px solid rgba(214,0,0,0.10);box-shadow:0 12px 30px rgba(26,38,56,0.08);border-radius:22px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.card,.info-card,.review-card,.faq-item,.step-card,.alert-card{padding:22px}.card h3,.info-card h3,.step-card h3,.faq-item h3{margin:0 0 10px;font-size:19px}.card p,.info-card p,.review-card p,.faq-item p,.step-card p,.alert-card p{margin:0;color:var(--muted)}.num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:#FFF0F0;color:var(--red);font-weight:900;margin-bottom:12px}.product-card{overflow:hidden;background:#FFFFFF;border:1px solid rgba(214,0,0,0.10);box-shadow:var(--shadow);border-radius:22px}.product-card img{width:100%;height:180px;object-fit:contain;background:#F7F8FA;padding:8px}.product-card div{padding:18px}.product-card h3{margin:0 0 8px;font-size:18px;color:var(--red)}.product-card p{margin:0;color:var(--muted);font-size:14px}.zone-card{overflow:hidden}.zone-card img,.info-card img,.content-img{max-width:100%;height:auto;max-height:240px;object-fit:contain;background:#F7F8FA;border-radius:16px;margin-bottom:14px}.image-text{display:grid;grid-template-columns:.92fr 1.08fr;gap:28px;align-items:center;background:#FFFFFF;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);padding:22px}.image-text img{width:100%;height:280px;max-height:320px;object-fit:contain;background:#F7F8FA;border-radius:20px}.image-text h2{margin:0 0 10px;font-size:28px}.image-text p{color:var(--muted);margin:0 0 12px}.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.pill-list span{display:inline-flex;border:1px solid rgba(214,0,0,.14);background:#FFF8F8;border-radius:999px;padding:6px 12px;color:var(--red);font-weight:800;font-size:13px}.review-card strong{display:block;color:var(--red);margin-bottom:8px}.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.alert-band{background:#FFF8F8;border:1px solid rgba(214,0,0,.12);border-radius:24px;padding:24px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.alert-band h2{margin:0 0 8px}.alert-band p{margin:0;color:var(--muted)}.text-link{color:var(--red);font-weight:900}.mini-list{margin:0;padding:0;list-style:none}.mini-list li{padding:10px 0;border-bottom:1px solid rgba(214,0,0,.08);color:var(--muted)}.mini-list li:last-child{border-bottom:0}.tag{color:var(--red);font-weight:900}.home-guide{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:stretch}.guide-card{padding:26px}.guide-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.service-grid .card{min-height:210px}.service-grid .num{margin-bottom:10px}.footer-spacer{height:1px}
.site-footer{background:#171A22;color:#E8EDF5;margin-top:42px}.footer-inner{width:min(1180px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:1.15fr 1.85fr;gap:36px;padding:42px 0}.footer-brand img{max-height:54px;width:auto;margin-bottom:16px}.footer-brand p{color:#B9C2D0;margin:0}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.footer-links h3{color:#FFFFFF;margin:0 0 12px}.footer-links a{display:block;color:#D6DDE8;margin:8px 0}.footer-links a:hover{color:#FFFFFF}.footer-note{border-top:1px solid rgba(255,255,255,.10);color:#D6DDE8;text-align:center;padding:16px;width:min(1180px,calc(100% - 32px));margin:0 auto;font-size:13px}
@media(max-width:1024px){.mega-grid{grid-template-columns:repeat(3,1fr)}.grid-5{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.hero-grid,.home-guide,.image-text{grid-template-columns:1fr}.hero-card img,.image-text img{height:260px}.nav-core{gap:14px}.nav-core a{font-size:14px}.header-inner{gap:14px}}
@media(max-width:760px){.site-main{padding-top:66px}.site-header{min-height:66px}.header-inner{min-height:66px;width:100%;padding:0 12px;gap:8px}.mobile-menu-toggle{display:flex;flex:0 0 42px}.nav-core,.all-menu-btn{display:none}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.header-action{margin-left:auto}.register-btn{min-width:70px;padding:8px 15px;min-height:38px}.mega-panel,.mega-mask{display:none}.container{width:calc(100% - 24px)}.banner-slider{margin:14px 12px 22px;border-radius:16px;height:clamp(160px,48vw,220px)}.slider-arrow{width:34px;height:34px}.slider-prev{left:10px}.slider-next{right:10px}.slider-prev:before,.slider-next:before{top:12px}.slider-prev:before{left:14px}.slider-next:before{right:14px}.section{padding:26px 0}.section-soft{padding:34px 0}.section-head{display:block}.section-title{font-size:24px}.hero-page{padding:30px 0 22px}.hero-copy h1{font-size:30px}.hero-copy p{font-size:15px}.hero-card img,.image-text img{height:210px}.grid-2,.grid-3,.grid-4,.grid-5,.faq-list{grid-template-columns:1fr;gap:14px}.product-card img{height:150px}.zone-card img,.info-card img,.content-img{max-height:190px}.image-text{padding:16px;gap:18px}.alert-band{grid-template-columns:1fr;padding:18px}.footer-inner{grid-template-columns:1fr;padding:34px 0}.footer-links{grid-template-columns:1fr}.card,.info-card,.review-card,.faq-item,.step-card,.alert-card{padding:18px}.drawer-top{height:66px}}
@media(max-width:420px){.logo img{max-height:38px}.register-btn{padding:7px 13px;min-width:64px}.hero-copy h1{font-size:27px}.slider-dots{bottom:10px}.slider-dot{width:8px;height:8px}.slider-dot.active{width:20px}.product-card img{height:140px}.hero-card img,.image-text img{height:190px}}