:root{--red:#C90000;--red-dark:#A80000;--red-soft:rgba(201,0,0,.08);--ink:#1F2329;--muted:#5D6673;--soft:#8A93A0;--line:rgba(201,0,0,.12);--line-gray:#E5E8ED;--surface:#fff;--surface-soft:#F6F7F9;--shadow:0 12px 30px rgba(18,28,45,.08);--radius:18px;--header-h:74px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%}button,a{-webkit-tap-highlight-color:transparent}.skip-link{position:fixed;left:16px;top:-60px;z-index:1200;background:var(--red);color:#fff;padding:10px 14px;border-radius:10px;transition:top .2s}.skip-link:focus{top:12px}
.site-header{position:fixed;inset:0 0 auto;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,0,0,.08)}.header-inner{width:min(1380px,calc(100% - 36px));min-height:var(--header-h);margin:auto;display:grid;grid-template-columns:210px minmax(0,1fr) 116px;align-items:center;gap:24px}.logo{display:inline-flex;align-items:center;min-width:0}.logo img{display:block;width:auto;max-width:172px;max-height:52px;object-fit:contain}.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(--ink);background:var(--surface-soft);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;border:0;box-shadow:0 10px 20px rgba(201,0,0,.18);font-weight:800;letter-spacing:.04em;transition:.2s}.main-btn:hover{transform:translateY(-1px);box-shadow:0 14px 26px rgba(201,0,0,.24)}.header-register{width:100%;justify-self:end}.menu-toggle{display:none;width:42px;height:42px;padding:8px;border:0;background:var(--surface-soft);border-radius:12px;cursor:pointer}.menu-toggle span{display:block;width:23px;height:2px;margin:5px auto;background:var(--ink);border-radius:999px}
.site-shell{width:min(1430px,calc(100% - 32px));margin:auto;padding-top:calc(var(--header-h) + 24px);display:grid;grid-template-columns:198px minmax(0,1fr);gap:30px}.site-main{min-width:0;padding-bottom:70px}.side-category{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 116px);overflow-y:auto;background:#fff;border:1px solid rgba(201,0,0,.1);border-radius:18px;box-shadow:var(--shadow);padding:14px;scrollbar-width:thin}.side-title{color:var(--red);font-size:15px;font-weight:900;padding:8px 10px 12px}.side-category nav{display:grid;gap:5px}.side-category a{color:var(--ink);border-radius:12px;padding:8px 10px;font-size:14px;line-height:1.35;transition:.2s}.side-category a:hover,.side-category a.active{color:var(--red);background:var(--red-soft);font-weight:800}
.page-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 88% 10%,rgba(201,0,0,.09),transparent 26%),linear-gradient(135deg,#fff 0%,#F7F8FA 100%);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);padding:46px;margin-bottom:28px}.page-hero:after{content:"";position:absolute;width:160px;height:160px;right:-55px;bottom:-55px;border-radius:50%;border:28px solid rgba(201,0,0,.05)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--red);background:var(--red-soft);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:900;letter-spacing:.08em}.page-hero h1,.section-title,h1,h2,h3{color:var(--red);line-height:1.35}.page-hero h1{margin:14px 0;max-width:850px;font-size:clamp(30px,4vw,50px)}.page-hero p{max-width:850px;color:var(--muted);margin:0;font-size:17px}.hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}.text-link{display:inline-flex;align-items:center;min-height:44px;padding:9px 18px;border-radius:999px;color:var(--red);border:1px solid var(--line);background:#fff;font-weight:800}.text-link:hover{background:var(--red-soft)}
.banner-slider{max-width:1180px;margin:0 auto 34px;border-radius:22px;background:#F7F8FA;box-shadow:var(--shadow);overflow:hidden;position:relative;min-height:260px;height:clamp(260px,29vw,360px)}.banner-slider .slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .55s}.banner-slider .slide.active{opacity:1;pointer-events:auto}.banner-slider img{width:100%;height:100%;display:block;object-fit:contain;background:#F7F8FA}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.slider-arrow{position:absolute;top:50%;z-index:5;width:44px;height:44px;margin-top:-22px;border:0;border-radius:50%;color:#fff;background:rgba(17,21,28,.62);font-size:24px;cursor:pointer}.slider-arrow:hover{background:var(--red)}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-dots{position:absolute;z-index:6;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px}.slider-dot{width:10px;height:10px;padding:0;border:0;border-radius:999px;background:rgba(255,255,255,.62);box-shadow:0 0 0 1px rgba(0,0,0,.1);cursor:pointer;transition:.2s}.slider-dot.active{width:28px;background:var(--red)}
.section{margin-top:30px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}.section-title{margin:0;font-size:clamp(24px,3vw,34px)}.section-lead{color:var(--muted);max-width:760px;margin:7px 0 0}.card,.zone-card,.info-card,.review-card,.faq-item,.notice-panel{background:#fff;border:1px solid rgba(201,0,0,.1);box-shadow:var(--shadow);border-radius:18px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{padding:22px}.card h3{margin:0 0 9px;font-size:20px}.card p{color:var(--muted);margin:0}.card .text-link{margin-top:16px;min-height:38px;padding:7px 14px;font-size:14px}.media-split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:22px;align-items:stretch}.media-split.reverse{grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr)}.info-card{padding:30px}.info-card h2,.info-card h3{margin-top:0}.info-card p{color:var(--muted)}.content-img-wrap{background:var(--surface-soft);border:1px solid var(--line-gray);border-radius:18px;box-shadow:var(--shadow);min-height:230px;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:10px}.zone-card img,.info-card img,.content-img{width:100%;height:auto;max-height:280px;display:block;object-fit:contain}

.product-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);gap:16px;overflow-x:auto;padding:4px 3px 16px;scroll-snap-type:x mandatory}.product-card{scroll-snap-align:start;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;overflow:hidden;min-width:0}.product-card img{width:100%;height:170px;display:block;object-fit:contain;background:#F7F8FA}.product-card .body{padding:18px}.product-card h3{margin:0 0 7px;font-size:19px}.product-card p{color:var(--muted);margin:0;font-size:14px}
.red-summary{background:linear-gradient(135deg,#E21D1D 0%,#B10000 100%);border-radius:22px;padding:24px;box-shadow:0 18px 34px rgba(177,0,0,.2)}.red-summary .summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.summary-item{color:#fff;padding:12px 14px;border-right:1px solid rgba(255,255,255,.22)}.summary-item:last-child{border-right:0}.summary-item strong{display:block;margin-bottom:5px;font-size:18px}.summary-item span{display:block;color:rgba(255,255,255,.82);font-size:14px;line-height:1.6}
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.quick-link{display:block;min-height:112px;padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 8px 22px rgba(18,28,45,.05);transition:.2s}.quick-link:hover{transform:translateY(-2px);border-color:rgba(201,0,0,.3)}.quick-link strong{display:block;color:var(--red);margin-bottom:6px}.quick-link span{color:var(--muted);font-size:14px}
.feature-list,.step-list,.check-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:11px}.feature-list li,.step-list li,.check-list li{position:relative;padding-left:30px;color:var(--muted)}.feature-list li:before,.check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:20px;height:20px;color:#fff;background:var(--red);border-radius:50%;text-align:center;line-height:20px;font-size:12px;font-weight:900}.step-list{counter-reset:steps}.step-list li{counter-increment:steps;min-height:34px;padding-left:44px}.step-list li:before{content:counter(steps);position:absolute;left:0;top:-1px;width:30px;height:30px;color:var(--red);background:var(--red-soft);border-radius:10px;text-align:center;line-height:30px;font-weight:900}
.notice-panel{padding:24px;border-left:5px solid var(--red);background:linear-gradient(90deg,rgba(201,0,0,.045),#fff 40%)}.notice-panel h2,.notice-panel h3{margin-top:0}.notice-panel p:last-child{margin-bottom:0}.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.review-card{padding:22px}.review-card p{color:var(--muted);margin:0}.review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;color:var(--soft);font-size:13px}.review-meta strong{color:var(--ink)}
.faq-list{display:grid;gap:12px}.faq-item{overflow:hidden}.faq-item button{width:100%;border:0;background:#fff;color:var(--ink);padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;font:inherit;font-weight:800;cursor:pointer}.faq-item button:after{content:"+";color:var(--red);font-size:24px;line-height:1}.faq-item.open button:after{content:"−"}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}.faq-item.open .faq-answer{display:block}.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.tag{color:var(--red);background:var(--red-soft);border-radius:999px;padding:6px 11px;font-size:13px;font-weight:800}
.site-footer{background:#11151C;color:#E7ECF3;padding:48px 20px 88px}.footer-grid{width:min(1180px,100%);margin:auto;display:grid;grid-template-columns:2fr repeat(3,1fr);gap:34px}.footer-logo{display:inline-flex;max-width:170px;padding:8px 12px;background:#fff;border-radius:13px}.footer-logo img{display:block;max-height:44px;object-fit:contain}.footer-brand p{color:#AEB7C4;max-width:450px}.site-footer h2{color:#fff;font-size:17px;margin:0 0 14px}.site-footer section>a:not(.footer-logo){display:block;color:#C5CDD8;margin:8px 0;font-size:14px}.site-footer section>a:hover{color:#fff}.footer-notice,.footer-bottom{width:min(1180px,100%);margin:28px auto 0;color:#9CA7B5;font-size:13px}.footer-notice{border-top:1px solid rgba(255,255,255,.1);padding-top:20px}.footer-bottom{margin-top:12px}
.mobile-drawer{position:fixed;z-index:1110;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;transform:translateX(-104%);transition:transform .24s;box-shadow:18px 0 40px rgba(18,28,45,.18);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-overlay{position:fixed;z-index:1100;inset:0;background:rgba(17,21,28,.5);opacity:0;transition:opacity .22s}.drawer-overlay.show{opacity:1}.drawer-head{min-height:72px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line-gray)}.drawer-logo img{display:block;max-height:46px;max-width:150px;object-fit:contain}.drawer-close{width:40px;height:40px;border:0;border-radius:50%;color:var(--ink);background:var(--surface-soft);font-size:28px;line-height:1;cursor:pointer}.drawer-nav{padding:10px 12px 24px;display:grid;gap:4px}.drawer-nav a{padding:11px 13px;border-radius:12px;color:var(--ink)}.drawer-nav a.active,.drawer-nav a:hover{color:var(--red);background:var(--red-soft);font-weight:800}.mobile-bottom-nav{display:none}
@media(max-width:1180px){.header-inner{grid-template-columns:180px minmax(0,1fr) 104px;gap:14px}.nav-core a{padding:8px 12px;font-size:14px}.site-shell{grid-template-columns:180px minmax(0,1fr);gap:22px}.card-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:980px){:root{--header-h:66px}.header-inner{width:min(100% - 24px,920px);min-height:var(--header-h);grid-template-columns:48px minmax(0,1fr) 92px;gap:10px}.menu-toggle{display:block}.logo{justify-content:center}.logo img{max-height:44px;max-width:160px}.nav-core{display:none}.header-register{min-height:40px;padding:8px 16px}.site-shell{width:min(100% - 24px,920px);grid-template-columns:minmax(0,1fr);padding-top:calc(var(--header-h) + 18px)}.side-category{display:none}.page-hero{padding:34px 28px}.media-split,.media-split.reverse{grid-template-columns:1fr}.content-img-wrap{min-height:200px}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.red-summary .summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.summary-item:nth-child(2){border-right:0}.footer-grid{grid-template-columns:1.6fr 1fr 1fr}.footer-grid section:last-child{grid-column:2/4}}
@media(max-width:640px){body{padding-bottom:68px}.site-main{padding-bottom:36px}.site-shell{width:min(100% - 20px,620px);padding-top:calc(var(--header-h) + 12px)}.header-inner{width:calc(100% - 20px);grid-template-columns:44px minmax(0,1fr) 80px}.logo img{max-height:40px;max-width:138px}.header-register{min-height:38px;padding:7px 12px;font-size:14px}.page-hero{padding:27px 22px;border-radius:20px;margin-bottom:18px}.page-hero h1{font-size:30px}.page-hero p{font-size:15px}.banner-slider{min-height:150px;height:clamp(150px,48vw,210px);margin-bottom:22px;border-radius:17px}.slider-arrow{width:36px;height:36px;margin-top:-18px;font-size:20px}.slider-arrow.prev{left:9px}.slider-arrow.next{right:9px}.slider-dots{bottom:9px}.section{margin-top:24px}.section-head{align-items:start;flex-direction:column;gap:4px}.section-title{font-size:25px}.card-grid,.card-grid.four,.quick-grid,.review-grid{grid-template-columns:1fr}.red-summary{padding:18px}.red-summary .summary-grid{grid-template-columns:1fr}.summary-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.22)}.summary-item:last-child{border-bottom:0}.info-card,.card,.review-card,.notice-panel{padding:20px}.content-img-wrap{min-height:160px}.zone-card img,.info-card img,.content-img{max-height:210px}.product-scroll{grid-auto-columns:minmax(205px,82vw)}.product-card img{height:145px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}.footer-brand{grid-column:1/-1}.footer-grid section:last-child{grid-column:auto}.site-footer{padding-bottom:86px}.mobile-bottom-nav{position:fixed;z-index:1040;inset:auto 0 0;height:64px;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #E3E7EC;box-shadow:0 -8px 24px rgba(18,28,45,.08)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:12px}.mobile-bottom-nav a span{min-height:20px;color:inherit;font-size:13px;font-weight:900}.mobile-bottom-nav a.active{color:var(--red);font-weight:800}}