:root{color-scheme:light;--ink:#10213f;--blue:#1267df;--soft-blue:#eaf3ff;--muted:#66758b;--line:#e2e8f0;--paper:#f6f9fc;--green:#2e7d59;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;font-size:16px}*{box-sizing:border-box}body{margin:0;background:#fff}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #4b96ff;outline-offset:3px}.skip{position:fixed;top:-80px;left:16px;z-index:100;background:white;padding:16px}.skip:focus{top:8px}.site-header{max-width:1600px;margin:auto;min-height:70px;padding:12px 3.5%;display:flex;align-items:center;gap:30px;border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:2}.site-brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:.04em;white-space:nowrap}.site-brand small{display:block;margin-top:3px;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:.12em}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:var(--ink);color:#fff;font-size:14px;letter-spacing:-.08em}.site-header nav{display:flex;align-items:center;gap:24px;margin-left:auto;font-size:14px;white-space:nowrap}.site-header nav a{padding:18px 0;border-bottom:3px solid transparent}.site-header nav a:hover,.site-header nav a.active{color:var(--blue);border-color:var(--blue)}.header-tools{display:flex;align-items:center;gap:18px;font-size:13px;white-space:nowrap}.header-search{display:flex;align-items:center;gap:8px;min-width:230px;padding:10px 14px;border:1px solid #d5deeb;border-radius:24px;color:#8592a5}.header-search span{overflow:hidden;text-overflow:ellipsis}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:46px;padding:12px 20px;border:1px solid var(--line);border-radius:24px;font-weight:700;background:#fff;cursor:pointer}.button.primary{background:var(--blue);border-color:var(--blue);color:#fff}.button.ghost{background:#fff;color:var(--ink);border-color:#c8d5e5}.button:hover{transform:translateY(-1px);box-shadow:0 7px 18px #174ea614}.home-hero{max-width:1600px;margin:0 auto;min-height:465px;display:grid;grid-template-columns:.92fr 1.08fr;background:#f5f9fe}.hero-copy{padding:64px 5vw 48px 6vw;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(100deg,#f8fbff 0%,#eff7ff 80%,#dfeefe 100%)}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.28em;color:#587293;line-height:1.7;margin:0 0 16px}.hero-copy h1{font-size:clamp(44px,4.2vw,70px);line-height:1.17;letter-spacing:-.06em;margin:0 0 18px}.hero-copy h1 em{color:var(--blue);font-style:normal}.hero-lead{font-size:21px;font-weight:650;margin:0 0 5px}.hero-sublead{color:var(--muted);margin:0;line-height:1.8}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.hero-actions b{font-size:20px}.hero-benefits{display:flex;gap:20px;margin-top:35px;color:#314867;font-size:14px}.hero-benefits span{display:grid;grid-template-columns:26px 1fr;column-gap:5px;line-height:1.35}.hero-benefits b{grid-row:span 2;font-size:24px;color:var(--blue)}.hero-benefits small{font-size:10px;color:#73849b}.hero-picture{position:relative;margin:0;min-height:465px;overflow:hidden}.hero-picture img{width:100%;height:100%;display:block;object-fit:cover;object-position:center}.hero-picture figcaption{position:absolute;right:8%;top:36%;font-size:22px;line-height:1.7;text-align:center;color:#fff;text-shadow:0 1px 6px #18324d88}.category-strip{max-width:1530px;margin:24px auto 16px;padding:0 3.5%;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.category-card{min-height:168px;position:relative;display:flex;overflow:hidden;border-radius:11px;color:#fff;isolation:isolate}.category-card:after{content:"";position:absolute;inset:0;z-index:-1;background:color-mix(in srgb,var(--card-color),transparent 12%)}.category-card img{position:absolute;right:-18px;bottom:0;width:61%;height:100%;object-fit:cover;object-position:center;opacity:.9;z-index:-1;mix-blend-mode:screen}.category-card>div{padding:22px 16px 18px 22px;position:relative;z-index:1}.category-card h2{font-size:21px;margin:0 0 7px}.category-card p{font-size:12px;margin:0 0 22px;opacity:.9}.category-card span{display:inline-flex;padding:8px 14px;background:#fff;color:var(--ink);border-radius:20px;font-size:12px;font-weight:700}.category-blue{--card-color:#1e63a4}.category-green{--card-color:#5aa376}.category-water{--card-color:#9cc9ee;color:#11356a}.category-appliance{--card-color:#d8c6b4;color:#273047}.brand-strip{max-width:1530px;margin:auto;padding:14px 3.5%;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);color:#36557b}.brand-strip span{font-size:12px;color:#8996a8}.brand-strip b{font-size:18px;letter-spacing:-.04em}.brand-strip a{font-size:12px;color:var(--blue);white-space:nowrap}.home-section{max-width:1530px;margin:0 auto;padding:56px 3.5%}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:25px}.section-heading h2{font-size:clamp(28px,2.8vw,40px);letter-spacing:-.05em;margin:0 0 8px}.section-heading p:not(.eyebrow){color:var(--muted);font-size:15px;line-height:1.8;margin:0}.section-heading .eyebrow{margin-bottom:8px}.text-link{display:inline-flex;align-items:center;gap:12px;color:var(--blue);font-weight:700;white-space:nowrap}.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.solution-grid a{position:relative;display:block;overflow:hidden;border-radius:10px;background:#dce8f3;min-height:174px}.solution-grid img{width:100%;height:174px;display:block;object-fit:cover;object-position:center;filter:saturate(.85)}.solution-grid span{position:absolute;left:10px;right:10px;bottom:10px;display:grid;grid-template-columns:1fr auto;gap:3px 8px;padding:11px 14px;border-radius:8px;background:#fffefcf2}.solution-grid b{font-size:14px}.solution-grid small{font-size:11px;color:var(--muted)}.solution-grid span{font-size:22px;align-items:center}.trust-strip{display:flex;justify-content:center;gap:0;padding:22px 3.5%;background:#f5f9fd;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.trust-strip span{min-width:150px;padding:0 30px;border-right:1px solid #d9e2ec;display:grid;gap:3px}.trust-strip span:last-child{border:0}.trust-strip b{font-size:19px}.trust-strip small{font-size:11px;color:var(--muted)}.home-case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.empty-state{grid-column:1/-1;padding:28px;border:1px dashed #cbd5e1;border-radius:12px;color:var(--muted);margin:0}.case-card{display:block;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:#fff}.case-card img{width:100%;height:210px;object-fit:cover;display:block;background:var(--paper)}.case-card>div{padding:16px}.case-card h3{font-size:17px;margin:8px 0;line-height:1.45}.case-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}.case-kind{font-size:11px;color:var(--blue);font-weight:700}.case-card:hover{border-color:#8db1e5;transform:translateY(-2px)}.floating-contact{position:fixed;right:24px;bottom:24px;z-index:5;display:flex;align-items:center;gap:8px;padding:13px 22px;border-radius:24px;background:var(--blue);color:#fff;font-size:13px;font-weight:700;box-shadow:0 8px 24px #1267df44}.site-footer{background:var(--ink);color:#d9e3f2;padding:30px 4%;display:flex;flex-wrap:wrap;align-items:center;gap:18px 28px;font-size:13px}.site-footer .site-brand{color:#fff;font-size:19px}.site-footer>a:nth-last-of-type(2){margin-left:auto}.site-footer small{flex-basis:100%;font-size:11px;color:#9fb0c7}[hidden]{display:none!important}@media(max-width:1180px){.site-header nav{gap:14px;font-size:13px}.header-tools{gap:10px}.header-search{min-width:180px}.hero-benefits{gap:10px}.brand-strip b{font-size:15px}}@media(max-width:900px){.site-header{flex-wrap:wrap}.site-header nav{order:3;width:100%;overflow:auto;justify-content:flex-start;margin:0}.header-tools{margin-left:auto}.home-hero{grid-template-columns:1fr}.hero-picture{min-height:330px}.hero-copy{padding:48px 7%}.category-strip{grid-template-columns:repeat(2,1fr)}.solution-grid{grid-template-columns:repeat(2,1fr)}.brand-strip{overflow:auto;justify-content:flex-start}.trust-strip{flex-wrap:wrap;justify-content:flex-start}.trust-strip span{min-width:20%;padding:0 16px}.trust-strip span:nth-child(5){border:0}.home-case-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.site-header{padding:12px 18px;gap:12px}.site-brand{font-size:18px}.site-brand small{display:none}.site-header nav{gap:22px;font-size:13px;padding-bottom:2px}.header-tools{display:none}.home-hero{min-height:0}.hero-copy{padding:34px 20px 26px}.hero-copy h1{font-size:46px}.hero-lead{font-size:17px}.hero-sublead{font-size:13px}.hero-actions{margin-top:20px}.hero-benefits{gap:10px;margin-top:25px}.hero-benefits span{font-size:11px;grid-template-columns:18px 1fr}.hero-benefits b{font-size:18px}.hero-benefits small{font-size:8px}.hero-picture{min-height:260px}.hero-picture figcaption{font-size:17px;right:8%;top:34%}.category-strip{margin-top:14px;padding:0 12px;gap:8px}.category-card{min-height:148px}.category-card>div{padding:15px 10px}.category-card h2{font-size:16px}.category-card p{font-size:10px;margin-bottom:14px;max-width:120px}.category-card span{font-size:10px;padding:6px 9px}.brand-strip{gap:18px;padding:12px 18px}.brand-strip b{font-size:13px}.brand-strip span{font-size:10px}.home-section{padding:38px 18px}.section-heading{align-items:start;flex-direction:column;gap:8px}.section-heading h2{font-size:28px}.solution-grid{gap:9px}.solution-grid a,.solution-grid img{min-height:145px;height:145px}.solution-grid span{padding:8px 9px;font-size:17px}.solution-grid b{font-size:12px}.solution-grid small{font-size:9px}.trust-strip{display:grid;grid-template-columns:repeat(2,1fr);padding:16px}.trust-strip span{min-width:0;padding:10px 12px;border-right:1px solid #d9e2ec}.trust-strip span:nth-child(2n){border-right:0}.home-case-grid{grid-template-columns:1fr}.case-card img{height:190px}.floating-contact{right:14px;bottom:14px;padding:11px 16px}.site-footer{padding:28px 18px}.site-footer>a:nth-last-of-type(2){margin-left:0}}
@media(prefers-reduced-motion:no-preference){a,button{transition:background .15s,border-color .15s,color .15s,transform .15s,box-shadow .15s}}

/* Refined image treatment and shared detail-page surfaces. */
.category-card:after{background:linear-gradient(90deg,color-mix(in srgb,var(--card-color),transparent 8%) 0%,color-mix(in srgb,var(--card-color),transparent 36%) 48%,color-mix(in srgb,var(--card-color),transparent 72%) 100%)}
.category-card img{right:-8px;width:68%;opacity:.98;mix-blend-mode:normal;filter:saturate(.96) contrast(1.02)}
.solution-grid img{filter:saturate(.92) contrast(1.02)}
.solution-grid a:nth-child(2) img{object-position:70% center}.solution-grid a:nth-child(3) img{object-position:82% center}.solution-grid a:nth-child(4) img{object-position:22% center}
.floating-contact{border:0;cursor:pointer}
.contact-dialog{border:0;border-radius:20px;padding:0;width:min(440px,calc(100vw - 30px));color:var(--ink);box-shadow:0 24px 80px #10213f44}.contact-dialog::backdrop{background:#10213f66}.contact-card{position:relative;display:grid;gap:10px;padding:30px}.contact-card h2{margin:0;font-size:27px}.contact-card p:not(.eyebrow){margin:0 0 8px;color:var(--muted);font-size:13px;line-height:1.7}.contact-card label{display:grid;gap:6px;font-size:13px;font-weight:700}.contact-card input,.contact-card textarea{width:100%;border:1px solid #d5deeb;border-radius:10px;padding:11px 12px;resize:vertical}.contact-card small{min-height:18px;color:var(--green)}.contact-close{position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:27px;color:var(--muted);cursor:pointer}
.catalog-main,.info-main{min-height:calc(100vh - 130px)}.catalog-hero{max-width:1250px;margin:0 auto;padding:80px 5% 58px;background:linear-gradient(110deg,#edf6ff,#fff 68%)}.catalog-hero h1{max-width:760px;margin:0 0 14px;font-size:clamp(38px,5vw,68px);letter-spacing:-.06em}.catalog-hero>p:last-child{max-width:720px;margin:0;color:var(--muted);font-size:18px;line-height:1.8}.catalog-detail{max-width:1250px;margin:0 auto;padding:56px 5%;display:grid;grid-template-columns:1.1fr .9fr;gap:60px}.catalog-copy h2{font-size:34px;line-height:1.25;margin:0 0 16px}.catalog-copy>p:not(.eyebrow){color:var(--muted);line-height:1.9;margin:0 0 22px}.catalog-points{display:grid;gap:14px;align-content:center}.catalog-points div{display:flex;align-items:center;gap:12px;padding:17px 18px;border:1px solid var(--line);border-radius:12px;background:#fff}.catalog-points b{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#e9f3ff;color:var(--blue)}.info-grid{max-width:1250px;margin:0 auto;padding:10px 5% 70px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.info-grid article{padding:24px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 8px 24px #10213f09}.info-grid h2{font-size:20px;margin:0 0 12px}.info-grid p{color:var(--muted);font-size:14px;line-height:1.8;margin:0 0 16px}.info-grid a:not(.button){color:var(--blue);font-size:13px;font-weight:700}
@media(min-width:901px){.home-hero{position:relative;display:block;background-image:url('./home-comfort-v1.webp');background-size:cover;background-position:center;overflow:hidden}.hero-copy{width:57%;min-height:465px;position:relative;z-index:1;background:linear-gradient(90deg,#f8fbfff7 0%,#eff7ffe8 58%,#eff7ff00 100%)}.hero-picture{display:none}}
@media(max-width:900px){.catalog-detail{grid-template-columns:1fr;gap:30px}.info-grid{grid-template-columns:repeat(2,1fr)}}
.avatar-dot{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#e9f3ff;color:var(--blue);font-size:11px;font-weight:800;margin-right:5px}.cart-count{display:inline-grid;place-items:center;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:#edf4ff;color:var(--blue);font-size:10px}.solution-grid a:nth-child(1){--solution-tint:#d9edff}.solution-grid a:nth-child(2){--solution-tint:#e5f3e6}.solution-grid a:nth-child(3){--solution-tint:#e2f2ff}.solution-grid a:nth-child(4){--solution-tint:#f3e9df}.solution-grid a:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,color-mix(in srgb,var(--solution-tint),transparent 8%),transparent 72%);pointer-events:none}.solution-grid span{z-index:1}
body.mobile-catalog{padding-bottom:76px}body.mobile-catalog .site-header nav{overflow:auto}body.mobile-catalog .mobile-catalog-tabs{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(4,1fr);padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -5px 18px #10213f14}body.mobile-catalog .mobile-catalog-tabs a{text-align:center;color:var(--ink);text-decoration:none;font-size:13px}body.mobile-catalog .mobile-catalog-tabs a[aria-current="page"]{color:var(--blue);font-weight:700}
@media(max-width:620px){body.mobile-catalog .site-header{padding:12px 18px;flex-wrap:nowrap}body.mobile-catalog .site-header nav{display:none}body.mobile-catalog .site-header>.button{display:inline-flex;white-space:nowrap;padding:8px 10px;font-size:12px}body.mobile-catalog .info-main,body.mobile-catalog .catalog-main,body.mobile-catalog .community-main{padding-bottom:90px}}