*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;font-size:15px;line-height:1.65;color:var(--c-text);background:#fff}
a{color:var(--c-primary)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.site-header{background:var(--c-primary-dark)}
.header-in{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;min-height:64px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand svg{display:block;flex:0 0 auto;width:40px;height:40px}
.brand-txt{display:flex;flex-direction:column;justify-content:center}
.brand-name{font-size:19px;font-weight:500;color:#fff;line-height:1.15;letter-spacing:-.01em;white-space:nowrap}
.brand-tag{font-size:12px;color:rgba(255,255,255,.72);line-height:1.3;letter-spacing:.05em;white-space:nowrap}
.brand--only-text{display:block;font-size:24px;font-weight:500;letter-spacing:-.02em;color:#fff}
.top-nav{display:flex;gap:24px;align-items:center}
.top-nav a{color:rgba(255,255,255,.85);text-decoration:none;font-size:14px}
.top-nav a:hover{color:#fff;text-decoration:underline}
.catnav{display:inline-block}
.catnav-d{position:relative}
.catnav-sum{display:inline-flex;align-items:center;gap:6px;cursor:pointer;color:rgba(255,255,255,.85);list-style:none;font-size:14px;padding:5px 0;white-space:nowrap}
.catnav-sum::-webkit-details-marker{display:none}
.catnav-sum:hover{color:#fff;text-decoration:underline}
.catnav-caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;transition:transform .15s}
.catnav-d[open] .catnav-caret{transform:rotate(180deg)}
.catnav-list{position:absolute;left:50%;transform:translateX(-50%);top:calc(100% + 8px);z-index:70;background:#fff;border:1px solid var(--c-border);border-radius:10px;box-shadow:0 12px 32px rgba(15,23,42,.2);list-style:none;margin:0;padding:14px 18px;
column-count:4;column-gap:22px;width:max-content;max-width:calc(100vw - 16px);max-height:calc(100vh - 120px);overflow-y:auto}
.catnav-list li{margin:0 0 1px;break-inside:avoid}
.catnav-list a{display:block;padding:5px 8px;color:var(--c-text);text-decoration:none;border-radius:6px;font-size:13px;line-height:1.35}
.catnav-list a:hover{background:var(--c-bg-soft);color:var(--c-primary);text-decoration:none}
.hero{background:linear-gradient(135deg,var(--c-primary-dark) 0%,var(--c-primary) 100%);color:#fff;padding:44px 0}
.hero h1{font-size:32px;font-weight:var(--head-weight);line-height:1.25;margin:0 0 12px;max-width:760px}
.hero p{font-size:16px;color:rgba(255,255,255,.88);margin:0 0 20px;max-width:640px}
.hero .btn-hero{display:inline-block;background:var(--c-accent);color:#fff;font-size:15px;font-weight:700;padding:12px 28px;border-radius:var(--radius-cta);text-decoration:none}
.hero .btn-hero:hover{background:var(--c-accent-dark)}

.hero-in{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:center}
.hero-txt{min-width:0}
.hero-art{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hero-art a{display:block;position:relative;border-radius:8px;overflow:hidden;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);transition:border-color .15s,transform .15s}
.hero-art a:hover{border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
.hero-art img{display:block;width:100%;height:104px;object-fit:cover}
.hero-art span{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.62) 100%);color:#fff;font-size:12px;font-weight:600;text-align:center;padding:14px 6px 7px;letter-spacing:.01em}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.hero-badges span{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:600;color:#fff;letter-spacing:.01em}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:18px 0 8px}
.card{border:1px solid var(--c-border);border-radius:var(--radius-card);background:#fff;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .15s}
.card:hover{box-shadow:0 4px 14px rgba(var(--c-primary-rgb),.12)}
.card-img{position:relative;background:var(--c-bg-soft);display:block}
.card-img img{display:block;width:100%;height:170px;object-fit:contain;padding:9px}
.card-body{padding:11px 12px 13px;display:flex;flex-direction:column;gap:5px;flex:1}
.card h3{font-size:14px;font-weight:600;line-height:1.4;margin:0;min-height:39px}
.card h3 a{color:var(--c-text);text-decoration:none}
.card h3 a:hover{color:var(--c-primary)}
.card-stars{color:var(--c-accent);font-size:12px;letter-spacing:1.2px;min-height:17px}
.card-stars .cn{color:var(--c-text-2);font-size:12px;letter-spacing:0;margin-left:4px}
.card-sku{color:var(--c-text-2);font-size:12px}
.card-cta{display:flex;gap:7px;margin-top:auto;padding-top:3px}
.btn-s{flex:1;text-align:center;font-size:12px;font-weight:600;padding:7px 6px;border-radius:6px;text-decoration:none;border:1px solid var(--c-primary);color:var(--c-primary);background:#fff}
.btn-s:hover{background:var(--c-bg-soft)}
.btn-s-primary{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.btn-s-primary:hover{background:var(--c-accent-dark);border-color:var(--c-accent-dark);color:#fff}
.sec{margin-top:var(--space-section);padding-top:20px;border-top:1px solid var(--c-border)}
h2{font-size:20px;font-weight:var(--head-weight);margin:0 0 14px;padding-bottom:8px;border-bottom:2px solid var(--c-primary)}
.catcloud{display:flex;flex-wrap:wrap;gap:8px}
.catcloud a{display:inline-block;font-size:13px;padding:5px 11px;border:1px solid var(--c-border);border-radius:14px;text-decoration:none;color:var(--c-primary);background:var(--c-bg-soft)}
.catcloud a:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.8);margin-top:48px;padding:28px 0;font-size:13px}
.site-footer a{color:#fff}
.site-footer p{margin:0 0 6px}
.f-brand{font-size:16px;font-weight:700;color:#fff}
@media (max-width:900px){
.grid{grid-template-columns:repeat(2,1fr);gap:14px}
.hero h1{font-size:24px}
.hero{padding:32px 0}
.hero-in{grid-template-columns:1fr;gap:22px}
.hero-art img{height:92px}
.card-img img{height:160px}
}
@media (max-width:560px){
.grid{grid-template-columns:1fr}
}
@media (max-width:900px){
.product-head{padding-top:20px;gap:20px}
.p-img{flex:1 1 100%}
h1{font-size:22px}
.top-nav{gap:16px}
.brand svg{width:34px;height:34px}
.brand-name{font-size:17px}
.brand-tag{display:none}
.brand--only-text{font-size:20px}
.header-right{gap:14px}
.catnav-list{column-count:3}
}
@media (max-width:600px){
.catnav-list{column-count:2;left:0;transform:none;width:auto;max-width:none}
.header-in{gap:10px}
.header-right{width:100%;justify-content:space-between}
.top-nav{gap:12px;flex-wrap:wrap}
.top-nav a,.catnav-sum{font-size:13px}
}
.hdr-search{display:inline-flex;align-items:center}
.hdr-search input{width:140px;padding:6px 10px;border:1px solid rgba(255,255,255,.28);border-radius:6px;background:rgba(255,255,255,.10);color:#fff;font-size:13px;outline:none;transition:background .15s,border-color .15s}
.hdr-search input::placeholder{color:rgba(255,255,255,.45)}
.hdr-search input:focus{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.16)}
@media (max-width:600px){.hdr-search input{width:110px}}
@media (min-width:601px) and (max-width:880px){.catnav-list{column-count:2}}
@media (min-width:881px) and (max-width:1180px){.catnav-list{column-count:3}}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:0 0 14px;padding-bottom:8px;border-bottom:2px solid var(--c-primary)}
.sec-head h2{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:var(--head-weight);color:var(--c-text);border:0;padding:0;margin:0}
.sec-head h2::before{content:"";flex:0 0 auto;width:5px;height:19px;border-radius:2px;background:var(--c-accent)}
.sec-sub{font-size:13px;color:var(--c-text-2);margin:5px 0 0}
.sec-more{font-size:13px;font-weight:600;color:var(--c-accent-dark);text-decoration:none;white-space:nowrap;padding-bottom:3px}
.sec-more:hover{text-decoration:underline}

.band{margin-top:var(--space-section);border-radius:10px}
.band-trust{background:var(--c-bg-head);border:1px solid var(--c-border);padding:22px 24px}
.band-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust{display:flex;gap:12px;align-items:flex-start}
.trust-ico{flex:0 0 auto;width:34px;height:34px;color:var(--c-accent)}
.trust-ico svg{display:block;width:100%;height:100%}
.trust-t{font-size:14px;font-weight:700;color:var(--c-text);line-height:1.35;margin:0 0 3px}
.trust-d{font-size:12.5px;color:var(--c-text-2);line-height:1.45;margin:0}
.band-pack{background:var(--c-bg-head);border:1px solid var(--c-border);padding:24px}
.band-head{margin:0 0 18px}
.band-head h2{font-size:20px;font-weight:var(--head-weight);color:var(--c-text);border:0;padding:0;margin:0 0 6px}
.band-head p{font-size:13.5px;color:var(--c-text-2);line-height:1.6;margin:0;max-width:800px}
.pack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pack{display:block;background:#fff;border:1px solid var(--c-border);border-radius:8px;overflow:hidden;text-decoration:none;transition:box-shadow .15s,transform .15s}
.pack:hover{box-shadow:0 6px 18px rgba(var(--c-primary-rgb),.16);transform:translateY(-2px)}
.pack img{display:block;width:100%;height:186px;object-fit:contain;background:var(--c-bg-soft);padding:12px;transition:transform .25s ease}
.pack:hover img{transform:scale(1.04)}
.pack-label{display:block;text-align:center;font-size:13px;font-weight:600;color:var(--c-primary);padding:10px 8px;border-top:1px solid var(--c-border)}
.pack:hover .pack-label{color:var(--c-accent-dark)}
.band-cta{background:linear-gradient(135deg,var(--c-accent) 0%,var(--c-accent-dark) 100%);padding:28px 30px}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-txt{flex:1 1 420px}
.cta-txt h2{font-size:23px;font-weight:var(--head-weight);color:#fff;border:0;padding:0;margin:0 0 8px;line-height:1.3}
.cta-txt p{font-size:14.5px;color:rgba(255,255,255,.95);margin:0 0 13px;max-width:680px}
.cta-badge{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.45);border-radius:8px;padding:8px 13px;font-size:13px;font-weight:600;color:#fff}
.cta-go{flex:0 0 auto}
.cta-go a{display:inline-block;background:#fff;color:var(--c-accent-dark);font-size:16px;font-weight:700;padding:14px 34px;border-radius:8px;text-decoration:none;white-space:nowrap}
.cta-go a:hover{background:var(--c-accent-soft);color:var(--c-accent-dark)}
@media (max-width:900px){
.band-in,.pack-grid{grid-template-columns:repeat(2,1fr);gap:14px}
.pack img{height:150px}
.band-cta{padding:24px 20px}
.cta-txt h2{font-size:20px}
}
@media (max-width:560px){
.band-in,.pack-grid{grid-template-columns:1fr}
.cta-in{gap:16px}
.cta-go{flex:1 1 100%}
.cta-go a{display:block;text-align:center}
}

/* ---- a11y（2026-10-25）---- */
.skip{position:absolute;left:-9999px;top:0;z-index:100;padding:10px 16px;background:var(--c-primary);color:#fff;border-radius:0 0 8px 0;font-size:14px;font-weight:600;text-decoration:none}
.skip:focus{left:0;outline:2px solid #fff}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}