@charset "UTF-8";
:root{--red:#c9252c;--red-dark:#a91920;--ink:#1c2022;--muted:#656b6f;--line:#dadbd8;--paper:#f5f5f1;--white:#fff;--max:1280px;--radius:4px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.35}h1{font-size:clamp(34px,4.1vw,62px);letter-spacing:-1.8px;font-weight:750}h2{font-size:clamp(27px,2.8vw,40px);letter-spacing:-.8px}h3{font-size:21px}p{color:var(--muted)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #236caa;outline-offset:4px}[hidden]{display:none!important}.wrap{width:min(var(--max),calc(100% - 80px));margin-inline:auto}.section{padding-block:90px}.section-white{background:#fff}.eyebrow{font-size:11px;letter-spacing:2.2px;font-weight:750;text-transform:uppercase;display:block;color:var(--red);margin-bottom:18px}.micro{font-size:12px;letter-spacing:.3px}.muted{color:var(--muted)}.red{color:var(--red)}.rule{height:1px;background:var(--line)}.lead{font-size:17px;line-height:1.9}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:48px;padding:12px 24px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-weight:650;font-size:14px;line-height:1.6;border-radius:2px;transition:background .18s,transform .18s}.btn:hover{background:#353b3e;transform:translateY(-1px)}.btn-red{background:var(--red);border-color:var(--red)}.btn-red:hover{background:var(--red-dark)}.btn-light{background:transparent;color:var(--ink);border-color:#a9aeae}.btn-light:hover{background:#e8e9e5}.btn-white{background:white;border-color:white;color:var(--ink)}.btn-small{min-height:40px;padding:8px 16px;font-size:13px}.text-link{display:inline-flex;align-items:center;gap:24px;font-weight:650;font-size:14px;padding:8px 0;border-bottom:1px solid var(--ink)}.text-link:hover{color:var(--red);border-color:var(--red)}.arrow{font-family:Arial,sans-serif;font-size:20px;line-height:1}.skip-link{position:fixed;left:20px;top:-80px;z-index:100;background:#fff;padding:10px 20px}.skip-link:focus{top:10px}
.topbar{background:var(--ink);color:#e6e6e3;font-size:11px;letter-spacing:1px}.topbar .wrap{display:flex;justify-content:space-between;gap:20px;padding-block:8px}.header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:86px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand img{width:43px;height:43px}.brand strong{display:block;font-size:24px;line-height:1.2;letter-spacing:3px}.brand small{display:block;font-size:9px;line-height:1.4;letter-spacing:1.3px;margin-top:5px;color:var(--muted)}.nav{display:flex;align-items:center;gap:25px}.nav a{font-size:14px;font-weight:600;position:relative;padding:31px 0;white-space:nowrap}.nav a::after{content:"";position:absolute;height:2px;left:0;right:100%;bottom:21px;background:var(--red);transition:right .2s}.nav a:hover::after,.nav a[aria-current=page]::after{right:0}.nav a[aria-current=page]{color:var(--red)}.header-cta{white-space:nowrap}.menu-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);background:white;color:var(--ink);font-size:23px}.preview-note{font-size:11px;padding:5px;text-align:center;background:#fff0d6;color:#654919}
.hero{overflow:hidden;position:relative;background:#eaece6}.hero-grid{display:grid;grid-template-columns:1fr 1.1fr;align-items:center;min-height:610px;gap:30px;padding-block:58px}.hero-copy{position:relative;z-index:2}.hero h1{line-height:1.22;margin-bottom:24px}.hero h1 .red{display:block}.hero .lead{max-width:420px;font-size:16px}.hero-meta{display:flex;gap:26px;margin-top:45px;font-size:12px;color:var(--muted)}.hero-meta span{display:flex;align-items:center;gap:8px}.hero-meta span::before{content:"";width:5px;height:5px;background:var(--red)}.hero-art{position:relative;isolation:isolate;height:490px;background-image:linear-gradient(#1c202209 1px,transparent 1px),linear-gradient(90deg,#1c202209 1px,transparent 1px);background-size:56px 56px;border:1px solid #1c20220d}.hero-art::before{content:"9F";position:absolute;right:4%;bottom:0;color:#1c202206;font:900 250px/1 Arial,sans-serif;letter-spacing:-28px}.hero-hat{width:64%;position:absolute;left:-4%;top:2%;mix-blend-mode:multiply;z-index:2;transform:rotate(-9deg)}.hero-vest{width:61%;position:absolute;right:-5%;bottom:1%;mix-blend-mode:multiply;transform:rotate(6deg)}.product-pin{position:absolute;background:rgba(255,255,255,.92);border-left:2px solid var(--red);padding:9px 15px;font-size:12px;z-index:3;box-shadow:0 3px 15px #1c202207}.pin-one{left:4%;bottom:45px}.pin-two{right:0;top:42px}.product-pin span{display:block;font-size:10px;color:var(--muted)}.art-label{position:absolute;left:20px;top:15px;font-size:9px;letter-spacing:2px;color:var(--muted)}.hero-foot{border-top:1px solid #1c20221c}.hero-foot .wrap{display:grid;grid-template-columns:repeat(3,1fr)}.hero-foot a{padding:22px 24px;border-right:1px solid #1c20221c;display:flex;gap:16px;align-items:center;justify-content:space-between;font-size:13px}.hero-foot a:first-child{padding-left:0}.hero-foot a:last-child{border:0}.hero-foot b{font-size:11px;color:var(--red);margin-right:14px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-head p{max-width:430px;margin-top:14px}.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.category-card{position:relative;min-height:330px;background:#edeFEa;overflow:hidden;border:1px solid transparent}.category-card:hover{border-color:#bfc3bb}.category-copy{position:relative;z-index:2;padding:32px;max-width:55%}.category-copy h3{font-size:28px;margin:9px 0 16px}.category-copy p{font-size:13px;max-width:200px}.category-copy .text-link{margin-top:30px}.category-card img{position:absolute;width:54%;right:1%;bottom:-5%;mix-blend-mode:multiply;transition:transform .4s}.category-card:hover img{transform:scale(1.04)}.category-card.vest-card{background:#e7ebe4}.category-card.vest-card img{width:48%;bottom:1%;right:2%}.category-number{font-size:10px;letter-spacing:2px;color:var(--muted)}.category-bottom{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:20px}.category-bottom a{display:flex;justify-content:space-between;gap:18px;padding:20px 24px;border:1px solid var(--line);font-size:14px}.category-bottom a:hover{background:#eeefeb}.category-bottom small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.product-card{min-width:0}.product-image{display:block;aspect-ratio:1;background:#ecede8;position:relative;overflow:hidden;border:1px solid #e3e5df}.product-image img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .35s;padding:13px}.product-card:hover .product-image img{transform:scale(1.035)}.product-image .image-label{position:absolute;bottom:12px;left:14px;font-size:10px;letter-spacing:.7px;color:#42484a;background:#ffffffd9;padding:2px 7px}.product-card h3{font-size:17px;margin:17px 0 6px}.product-card h3 a:hover{color:var(--red)}.product-card .model{font-size:11px;letter-spacing:.6px;font-family:Arial,sans-serif;color:var(--muted)}.product-card .card-bottom{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--muted);gap:8px}.color-dots{display:flex;align-items:center;gap:4px}.color-dot{width:10px;height:10px;border-radius:50%;border:1px solid #0002;display:block;background:#ccc}.search-match{font-size:12px;color:var(--red);margin-top:10px;line-height:1.6;overflow-wrap:anywhere}
.custom-band{background:var(--ink);color:white}.custom-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.custom-band .eyebrow{color:#e2797d}.custom-band p{color:#b7bdbd;margin-top:20px}.custom-band .btn-light{color:#fff;border-color:#727979}.custom-band .btn-light:hover{background:#383e3f}.custom-visual{position:relative;padding:30px;background:#f4f4ef;min-height:380px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:10px}.custom-visual img{mix-blend-mode:multiply}.custom-caption{position:absolute;bottom:14px;left:22px;right:22px;color:#555d5b;font-size:11px;border-top:1px solid #d4d8d1;padding-top:10px}.process-small{display:flex;margin-top:35px;gap:18px;flex-wrap:wrap}.process-small span{font-size:12px;color:#d4d7d5}.process-small b{color:#e1787b;margin-right:7px}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.scenario{border-top:2px solid var(--ink);padding-top:25px}.scenario .num{color:var(--red);font:12px Arial,sans-serif;letter-spacing:1px}.scenario h3{margin:25px 0 14px}.scenario p{font-size:14px}.scenario a{margin-top:22px}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}.guide-card{border:1px solid var(--line);background:var(--white);padding:30px;display:flex;flex-direction:column;min-height:265px;transition:border-color .2s}.guide-card:hover{border-color:var(--ink)}.guide-card .guide-tag{font-size:11px;letter-spacing:1px;color:var(--red);margin-bottom:22px}.guide-card h3{font-size:21px;line-height:1.6;margin-bottom:16px}.guide-card p{font-size:13px;margin-bottom:25px}.guide-card .guide-foot{margin-top:auto;display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}.about-line{display:grid;grid-template-columns:.7fr 1fr;gap:100px;align-items:start}.about-line p{font-size:16px}.contact-band{background:var(--red);color:#fff;padding-block:60px}.contact-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:35px}.contact-band p{color:#ffdbdb;margin-top:12px}.contact-band h2{font-size:32px}.contact-band .contact-actions{flex-shrink:0}.contact-band .phone{display:block;font-size:28px;letter-spacing:1px;font-weight:650;margin-bottom:10px}.contact-band .text-link{color:white;border-color:#ffffff85}.footer{padding:60px 0 25px;background:#191d1f;color:#dadcdb}.footer-main{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:70px}.footer .brand small{color:#acb1b0}.footer p{font-size:12px;margin-top:20px;color:#a6adac}.footer h3{font-size:12px;margin-bottom:18px;color:#fff}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:12px;color:#b9bfbd}.footer-links a:hover{color:#fff}.footer-contact{font-size:13px;color:#b9bfbd}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff1a;padding-top:24px;margin-top:45px;font-size:10px;color:#959c9b}.mobile-contact{display:none}
.breadcrumb{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:9px;padding-block:25px}.breadcrumb a:hover{color:var(--red)}.page-intro{padding:30px 0 52px;border-bottom:1px solid var(--line)}.page-intro h1{font-size:clamp(34px,4vw,51px)}.page-intro .lead{margin-top:20px;max-width:750px}.intro-row{display:flex;align-items:flex-end;justify-content:space-between;gap:35px}.catalog-toolbar{padding-block:30px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}.filter-list{display:flex;flex-wrap:wrap;gap:8px}.filter-list a{padding:8px 15px;border:1px solid var(--line);font-size:13px;background:white}.filter-list a.is-active{background:var(--ink);color:white;border-color:var(--ink)}.search-form{position:relative;display:flex;gap:8px;flex:0 1 370px}.search-form input{width:100%;min-width:0;border:1px solid #c2c7c5;background:white;padding:11px 42px 11px 14px;border-radius:2px;font-size:13px}.search-form button{position:absolute;right:5px;top:5px;width:34px;height:34px;background:transparent;border:0;font-size:19px}.catalog-count{font-size:12px;color:var(--muted);margin-bottom:25px}.catalog{padding-bottom:80px}.catalog .product-grid{row-gap:40px}.empty{padding:60px 25px;text-align:center;border:1px solid var(--line);background:#fff}.empty h2{font-size:24px;margin-bottom:12px}.empty p{margin-bottom:24px}.note{font-size:12px;color:var(--muted);padding:18px 20px;background:#eaece7;border-left:2px solid #9ba39b;line-height:1.9}.catalog-note{margin-top:40px}.product-main{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:20px 0 60px;align-items:start}.product-main h1{font-size:36px;letter-spacing:-.8px;margin:15px 0 18px}.main-product-image{background:#e9ece5;aspect-ratio:1;display:flex;align-items:center;justify-content:center;border:1px solid #dde1d8}.main-product-image img{object-fit:contain;width:100%;height:100%;padding:24px;mix-blend-mode:multiply}.image-note{font-size:11px;color:var(--muted);margin-top:12px}.thumbnails{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.thumb{width:64px;height:64px;background:#e9ece5;border:1px solid #d2d6ce;padding:3px}.thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.thumb[aria-pressed=true]{border:2px solid var(--red)}.product-copy .lead{font-size:15px}.field-label{font-size:13px;font-weight:650;display:block;margin:25px 0 10px}select,input,textarea{color:var(--ink)}.variant-select{width:100%;background:#fff;border:1px solid #abb4ab;padding:12px 38px 12px 12px;border-radius:2px;min-height:47px;font-size:14px}.specs{display:grid;grid-template-columns:1fr 1fr;margin:25px 0 0;border-top:1px solid var(--line)}.specs div{padding:12px 0;border-bottom:1px solid var(--line);min-width:0}.specs dt{color:var(--muted);font-size:11px}.specs dd{font-size:14px;margin:3px 0 0;overflow-wrap:anywhere}.product-copy .buttons>*{flex:1}.product-note{font-size:12px;margin-top:16px}.product-tabs{display:flex;gap:32px;border-bottom:1px solid var(--line);padding-bottom:16px;font-size:14px;font-weight:650}.product-section{padding-block:55px;scroll-margin-top:100px}.product-section h2{font-size:28px;margin-bottom:22px}.product-section .lead{max-width:870px;font-size:15px}.table-wrap{max-width:100%;overflow:auto;border:1px solid var(--line);margin-top:25px;background:white}.model-table{border-collapse:collapse;width:100%;font-size:13px;text-align:left;line-height:1.6}.model-table th{background:#eceee8;font-weight:600;color:#414b46;font-size:12px}.model-table th,.model-table td{padding:13px 17px;border-bottom:1px solid var(--line);white-space:nowrap}.model-table tr:last-child td{border:0}.model-table td a{text-decoration:underline;text-underline-offset:4px}.model-table tr.selected{background:#fff3ef}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 50px}.faq-grid details{border-bottom:1px solid var(--line);padding:20px 0}.faq-grid summary{font-size:15px;font-weight:600;cursor:pointer}.faq-grid details p{font-size:14px;margin-top:14px;padding-right:15px}
.split-section{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.split-section h2{margin-bottom:24px}.split-section .lead{font-size:15px}.feature-list{display:grid;gap:24px}.feature{padding:24px 0;border-top:1px solid var(--line)}.feature:first-child{border-color:var(--ink)}.feature h3{font-size:18px;margin-bottom:10px}.feature p{font-size:14px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:35px}.step{border-top:1px solid var(--line);padding-top:23px}.step .num{font:32px Arial,sans-serif;color:#929b92;margin-bottom:24px}.step h3{font-size:18px;margin-bottom:13px}.step p{font-size:13px}.check-list{padding-left:20px;color:var(--muted);font-size:15px;line-height:2.4}.info-box{background:#e8ebe4;padding:32px}.info-box h3{margin-bottom:20px}.info-box p{font-size:14px}.resource-tabs{display:flex;gap:25px;padding:30px 0;font-size:14px}.resource-tabs a{padding:8px 0;border-bottom:2px solid transparent}.resource-tabs a:first-child{border-color:var(--red);color:var(--red)}.cases-placeholder{border-top:1px solid var(--line);margin-top:60px;padding:40px 0;display:flex;align-items:center;justify-content:space-between;gap:40px}.cases-placeholder h2{font-size:25px;margin-bottom:12px}.cases-placeholder p{font-size:14px}.article-layout{display:grid;grid-template-columns:minmax(0,800px) 270px;gap:80px;padding-block:30px 80px}.article-header{padding-bottom:40px;border-bottom:1px solid var(--line)}.article-header h1{font-size:40px;line-height:1.5;margin:20px 0}.article-meta{font-size:12px;color:var(--muted)}.article-body section{margin-top:36px;scroll-margin-top:115px}.article-body h2{font-size:24px;margin-bottom:15px}.article-body p{font-size:16px;line-height:2}.article-body ul{color:var(--muted);padding-left:22px;line-height:2.2}.article-aside{align-self:start;position:sticky;top:125px;border-top:2px solid var(--ink);padding-top:20px}.article-aside h2{font-size:16px;margin-bottom:20px}.article-aside ol{padding-left:20px;font-size:13px;line-height:2.2;color:var(--muted)}.article-aside .btn{margin-top:20px;width:100%}.article-related{margin-top:45px;padding-top:30px;border-top:1px solid var(--line)}.article-related a{display:block;margin:14px 0;text-decoration:underline;text-underline-offset:4px}.company-facts{margin:0;display:grid;gap:0}.company-facts div{border-bottom:1px solid var(--line);padding:19px 0}.company-facts dt{font-size:12px;color:var(--muted)}.company-facts dd{font-size:17px;margin:6px 0 0}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.contact-number{font-size:clamp(29px,3.2vw,43px);font-weight:700;letter-spacing:1px;margin:8px 0 16px;display:block}.contact-item{padding:27px 0;border-bottom:1px solid var(--line)}.contact-item:first-child{padding-top:0}.contact-item h2{font-size:17px}.contact-item p{font-size:13px}.contact-item .wechat-id{font:28px/1.7 Arial,sans-serif;letter-spacing:1px;margin:10px 0}.summary-box{background:#fff;border:1px solid var(--line);padding:32px}.summary-box h2{font-size:25px;margin-bottom:12px}.summary-box p{font-size:13px}.summary-box label{font-size:12px;font-weight:600;display:block;margin:16px 0 7px}.summary-box input,.summary-box textarea{width:100%;border:1px solid #bdc5bd;background:#fafbf8;padding:10px 12px;font-size:13px;border-radius:2px}.summary-box textarea{resize:vertical;min-height:80px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:15px}.summary-box .btn{width:100%;margin-top:22px}.contact-address{margin-top:40px;padding:26px 30px;border:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;align-items:center}.contact-address strong{font-size:17px}.contact-address p{font-size:12px;margin-top:6px}
.dialog{padding:36px;border:1px solid var(--line);width:min(470px,calc(100% - 32px));max-height:calc(100dvh - 48px);overflow:auto;border-radius:4px;background:var(--paper);color:var(--ink)}.dialog::backdrop{background:#121716b0;backdrop-filter:blur(4px)}.dialog-close{position:absolute;right:12px;top:12px;width:34px;height:34px;background:transparent;border:0;font-size:25px;line-height:1}.dialog h2{font-size:29px;margin-top:5px}.dialog p{font-size:13px;margin-top:14px}.dialog .dialog-number{font:30px/1.5 Arial,sans-serif;font-weight:600;margin:22px 0 3px;display:block}.dialog .buttons{margin-top:18px;gap:9px}.dialog .buttons .btn{flex:1;padding-inline:13px}.dialog .purchase-summary{width:100%;min-height:135px;resize:vertical;border:1px solid var(--line);background:#fff;padding:12px;font-size:13px;margin-top:20px}.copy-status{min-height:22px;margin-top:9px;font-size:12px;color:var(--red)}.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%);z-index:100;max-width:calc(100% - 32px);width:max-content;background:#1c2022;color:#fff;padding:12px 22px;font-size:13px;border-radius:3px;box-shadow:0 5px 20px #0002}.noscript{padding:10px 20px;background:#fff3d9;font-size:13px;color:#5f4b20}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media(min-width:1600px){.hero-grid{min-height:650px}.hero-art{height:520px}}
@media(max-width:1150px){.wrap{width:calc(100% - 48px)}.nav{gap:17px}.nav a{font-size:12px}.header-cta{display:none}.hero-grid{min-height:560px}.hero-art{height:410px}.hero h1{font-size:45px}.product-grid{gap:18px}.category-copy{padding:25px}.category-copy h3{font-size:25px}.custom-grid{gap:45px}.custom-visual{min-height:330px}.article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 230px}.product-main{gap:35px}.contact-layout{gap:45px}}
@media(max-width:850px){.section{padding-block:60px}.header-inner{min-height:75px}.brand img{width:36px;height:36px}.brand strong{font-size:21px}.brand small{font-size:8px}.nav{gap:12px}.nav a{font-size:11px;padding-block:26px}.nav a::after{bottom:18px}.hero-grid{gap:10px;min-height:490px;padding-block:40px}.hero h1{font-size:37px;letter-spacing:-1px}.hero .lead{font-size:14px}.hero-art{height:330px}.hero-meta{gap:12px;margin-top:28px;font-size:10px}.hero .btn{padding-inline:16px;font-size:12px}.hero-foot a{font-size:11px;padding:17px 13px}.hero-foot b{margin-right:7px}.product-pin{font-size:10px;padding:8px 10px}.pin-one{bottom:24px}.pin-two{top:32px}.category-card{min-height:280px}.category-copy{padding:23px}.category-copy p{font-size:12px}.category-copy .text-link{margin-top:20px;font-size:12px}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.featured-grid .product-card:last-child{display:none}.custom-grid{gap:35px}.custom-visual{min-height:290px;padding:12px}.custom-caption{font-size:10px}.scenario-grid{gap:24px}.scenario h3{font-size:18px}.guide-grid{gap:14px}.guide-card{padding:23px}.guide-card h3{font-size:18px}.about-line{gap:45px}.footer-main{gap:30px}.steps{grid-template-columns:1fr 1fr;gap:35px}.split-section{gap:40px}.product-main h1{font-size:28px}.product-main{gap:28px}.specs dd{font-size:12px}.product-copy .buttons{gap:8px}.product-copy .buttons .btn{font-size:12px;padding-inline:12px}.article-layout{grid-template-columns:1fr}.article-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:20px}.article-related{margin:0;padding:0;border:0}.contact-layout{gap:28px}.summary-box{padding:25px}.contact-band h2{font-size:28px}.contact-band .phone{font-size:24px}}
@media(max-width:680px){.wrap{width:calc(100% - 36px)}.topbar .wrap{padding-block:6px;font-size:9px;letter-spacing:.3px}.topbar .topbar-extra{display:none}.header-inner{min-height:70px}.menu-toggle:not([hidden]){display:flex}.header-cta{display:inline-flex;margin-left:auto;font-size:11px;padding:7px 12px;min-height:36px}.header-inner{gap:12px;flex-wrap:wrap}.nav{width:100%;order:5;flex-wrap:wrap;gap:0;justify-content:space-between;border-top:1px solid var(--line);padding:6px 0 13px}.nav a{width:33.333%;padding:10px 4px;font-size:12px;text-align:center}.nav a::after{bottom:5px;left:20%;max-width:60%}.js .nav:not(.is-open){display:none}.hero-grid{grid-template-columns:1fr;gap:20px;padding:40px 0 0;min-height:auto}.hero h1{font-size:42px;max-width:480px}.hero .lead{max-width:370px;font-size:14px}.hero .buttons{margin-top:24px}.hero .btn{min-height:46px;font-size:13px;padding-inline:21px}.hero-meta{font-size:11px;gap:22px;margin-top:24px}.hero-art{height:340px;width:100%;max-width:450px;justify-self:center;margin-top:10px;border-bottom:0}.hero-hat{width:63%;left:0;top:0}.hero-vest{width:56%;right:0;bottom:0}.hero-art::before{font-size:210px}.pin-one{bottom:30px;left:0}.pin-two{right:0;top:20px}.art-label{font-size:8px;left:10px}.hero-foot .wrap{grid-template-columns:1fr}.hero-foot a{border-right:0;border-bottom:1px solid #1c20221c;padding:13px 0;font-size:12px}.hero-foot b{margin-right:16px}.section{padding-block:52px}.eyebrow{font-size:10px;letter-spacing:1.6px;margin-bottom:12px}.section-head{align-items:start;gap:18px;margin-bottom:25px}.section-head h2{font-size:27px}.section-head .text-link{flex-shrink:0;font-size:12px;gap:8px;align-self:end}.section-head p{font-size:13px;margin-top:12px}.category-grid{grid-template-columns:1fr;gap:16px}.category-card{min-height:290px}.category-copy{padding:27px;max-width:58%}.category-copy h3{font-size:27px}.category-copy p{font-size:13px}.category-card img{width:54%;bottom:-2%;right:0}.category-card.vest-card img{width:43%;right:5%;bottom:4%}.category-bottom{gap:12px}.category-bottom a{padding:16px;font-size:13px}.category-bottom small{font-size:10px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 14px}.featured-grid .product-card:last-child{display:block}.product-image img{padding:7px}.product-card h3{font-size:15px;margin-top:12px}.product-card .model{font-size:9px}.product-card .card-bottom{font-size:10px;gap:4px}.color-dot{width:8px;height:8px}.product-image .image-label{font-size:9px;bottom:8px;left:8px}.custom-grid{grid-template-columns:1fr;gap:35px}.custom-visual{min-height:290px;padding:20px;max-height:370px}.custom-visual img{max-height:280px;object-fit:contain}.custom-caption{font-size:11px}.process-small{gap:14px;margin-top:25px}.scenario-grid{grid-template-columns:1fr;gap:26px}.scenario{padding-top:20px}.scenario h3{margin:15px 0 10px;font-size:21px}.scenario a{margin-top:15px}.guide-grid{grid-template-columns:1fr;gap:14px}.guide-card{min-height:220px;padding:25px}.guide-card .guide-tag{margin-bottom:13px}.guide-card h3{font-size:22px;margin-bottom:12px}.guide-card p{margin-bottom:20px}.about-line{grid-template-columns:1fr;gap:25px}.about-line p{font-size:15px}.contact-band{padding-block:40px}.contact-band .wrap{display:block}.contact-band h2{font-size:27px}.contact-band p{font-size:13px}.contact-band .contact-actions{margin-top:28px;display:flex;gap:25px;align-items:center;flex-wrap:wrap}.contact-band .phone{margin:0;font-size:23px}.footer{padding:45px 0 90px}.footer-main{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-brand p{max-width:300px}.footer-contact{font-size:12px}.footer-bottom{display:block;line-height:2;margin-top:30px;font-size:10px}.mobile-contact{position:fixed;bottom:0;left:0;right:0;z-index:25;background:#fff;box-shadow:0 -2px 14px #0001;display:flex;padding:9px 18px calc(9px + env(safe-area-inset-bottom));gap:10px}.mobile-contact a{flex:1;text-align:center;padding:8px 10px;font-size:13px;font-weight:600;border:1px solid var(--ink);border-radius:2px;line-height:1.6}.mobile-contact a:last-child{background:var(--red);border-color:var(--red);color:white}.breadcrumb{font-size:10px;padding-block:19px}.page-intro{padding:20px 0 35px}.page-intro h1{font-size:34px}.page-intro .lead{font-size:14px;margin-top:16px}.intro-row{display:block}.intro-row .buttons{margin-top:20px}.catalog-toolbar{gap:18px;padding-block:23px}.search-form{flex-basis:100%;order:-1}.filter-list{gap:7px}.filter-list a{font-size:12px;padding:7px 11px}.catalog-count{margin-bottom:20px;font-size:11px}.catalog{padding-bottom:50px}.catalog .product-grid{row-gap:28px}.product-main{grid-template-columns:1fr;gap:28px;padding-top:5px;padding-bottom:40px}.main-product-image{max-height:430px}.main-product-image img{padding:20px}.product-main h1{font-size:32px}.product-copy .buttons .btn{font-size:14px;min-height:48px}.specs dd{font-size:14px}.thumb{width:53px;height:53px}.product-tabs{gap:25px;font-size:13px}.product-section{padding-block:35px}.product-section h2{font-size:25px}.table-wrap{margin-top:20px}.model-table{font-size:12px}.model-table th,.model-table td{padding:11px 13px}.faq-grid{grid-template-columns:1fr}.split-section{grid-template-columns:1fr;gap:32px}.steps{gap:30px 20px}.step .num{font-size:26px;margin-bottom:16px}.step h3{font-size:16px}.step p{font-size:12px}.info-box{padding:25px}.resource-tabs{padding-block:22px}.cases-placeholder{display:block;margin-top:40px;padding-top:30px}.cases-placeholder .btn{margin-top:22px}.article-layout{padding-top:15px;gap:40px;padding-bottom:45px}.article-header h1{font-size:32px}.article-header .lead{font-size:15px}.article-header{padding-bottom:25px}.article-body h2{font-size:22px}.article-body p{font-size:15px}.article-aside{grid-template-columns:1fr;gap:30px}.article-aside ol{margin:0}.contact-layout{grid-template-columns:1fr;gap:35px}.contact-item{padding-block:24px}.contact-address{display:block;margin-top:30px;padding:22px}.contact-address .btn{margin-top:15px}.contact-address strong{font-size:15px}.two-fields{grid-template-columns:1fr;gap:0}.summary-box{padding:25px}.dialog{padding:30px 23px}.dialog h2{font-size:26px}.dialog .dialog-number{font-size:27px}.toast{bottom:88px}.note{padding:15px;font-size:11px}.company-facts dd{font-size:16px}}

/* Frame the QR only: source rectangle (80,248,728,728) in the 888x1131 card. Retain a white quiet zone and the unchanged source pixels. */
.wechat-qr{display:block;position:relative;aspect-ratio:1;background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden}.wechat-qr img{position:absolute;max-width:none;width:121.978022%;height:auto;left:-10.989011%;top:-34.065934%;object-fit:contain}.contact-qr{width:min(100%,300px);margin:22px 0}.dialog-qr{width:220px;max-width:100%;margin:18px auto 0}.dialog .dialog-phone{text-align:center;font-size:13px;margin-top:12px}.dialog-phone a{font-weight:650}.dialog .purchase-summary{min-height:105px;margin-top:12px}.dialog .copy-status:empty{display:none}.dialog .buttons{margin-top:16px}

/* In-page model image preview, sized to the available viewport. */
.image-preview{width:min(820px,calc(100% - 32px));max-height:calc(100dvh - 32px);padding:24px;margin:auto}.image-preview h2{font-size:19px;line-height:1.5;margin:0;padding-right:35px}.image-preview .image-preview-model{font-size:12px;margin:7px 0 18px}.image-preview-image{display:block;width:100%;height:min(65dvh,640px);object-fit:contain;background:#fff}@media(max-width:680px){.image-preview{padding:20px 16px}.image-preview h2{font-size:17px}.image-preview-image{height:min(62dvh,520px)}}

/* Photo-backed case stories. Full photographs remain available in the gallery. */
.resources-content{padding-top:0}.resource-section{scroll-margin-top:110px}.resource-guides{margin-top:76px;padding-top:64px;border-top:1px solid var(--line)}.case-count{font-size:12px;color:var(--muted);white-space:nowrap}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.case-card{min-width:0;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);transition:border-color .2s}.case-card:hover{border-color:var(--ink)}.case-card-images{position:relative;overflow:hidden;background:#e9ece5;aspect-ratio:4/3}.case-card-images img{width:100%;height:100%;object-fit:cover}.case-photo-label{position:absolute;left:16px;bottom:16px;background:#ffffffef;color:var(--ink);font-size:10px;letter-spacing:.6px;padding:5px 10px}.case-card-copy{padding:26px;display:flex;flex-direction:column;flex:1}.case-card-copy .eyebrow{font-size:10px;letter-spacing:1.2px;margin-bottom:12px}.case-card h3{font-size:22px;line-height:1.5;letter-spacing:-.4px}.case-card p{font-size:13px;line-height:1.9;margin:15px 0 25px}.case-card-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:650}.case-featured{display:grid;grid-template-columns:1.15fr 1fr;margin-bottom:30px}.case-featured .case-card-images{aspect-ratio:auto;min-height:340px}.case-card-images.paired{display:grid;grid-template-columns:1fr 1fr;gap:3px}.case-featured .case-card-copy{padding:40px;justify-content:center}.case-featured h3{font-size:30px}.case-featured p{font-size:15px;margin-bottom:30px}.case-featured .case-card-foot{margin-top:0}.case-gallery{display:grid;gap:32px;margin:32px 0}.case-photo{margin:0;min-width:0}.case-photo>a{position:relative;display:block;background:#e4e7df;border:1px solid var(--line);cursor:zoom-in}.case-photo img{width:100%;height:auto;max-height:740px;object-fit:contain}.case-photo figcaption{font-size:12px;color:var(--muted);line-height:1.8;margin-top:12px}.photo-zoom{position:absolute;bottom:14px;right:14px;background:#fff;padding:7px 12px;font-size:11px;box-shadow:0 2px 12px #0001}.case-facts{margin-bottom:35px;padding-bottom:25px;border-bottom:1px solid var(--line)}.case-facts dl{margin:0}.case-facts dl>div{margin:18px 0}.case-facts dt{font-size:11px;color:var(--muted)}.case-facts dd{margin:4px 0 0;font-size:14px;line-height:1.8;overflow-wrap:anywhere}.case-source-note{font-size:12px;line-height:1.9;border-top:1px solid var(--line);padding-top:24px;margin-top:35px}.resource-tabs a:first-child{border-color:transparent;color:inherit}.resource-tabs a[aria-current=true]{border-color:var(--red);color:var(--red)}
@media(max-width:1150px){.case-grid{gap:20px}.case-featured .case-card-copy{padding:28px}.case-featured h3{font-size:26px}}
@media(max-width:850px){.case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.case-featured{grid-template-columns:1fr 1fr}.case-featured .case-card-images{min-height:330px}.case-card-images.paired img{min-height:0}.case-card h3{font-size:21px}.case-card-copy{padding:23px}.article-aside:has(.case-facts){grid-template-columns:1fr 1fr}.article-aside .case-facts{grid-row:span 2;margin:0;padding:0;border:0}.case-photo img{max-height:680px}}
@media(max-width:680px){.case-grid{grid-template-columns:1fr;gap:24px}.case-count{white-space:normal;font-size:11px}.resource-section>.section-head{display:block}.resource-section .case-count{display:block;margin-top:16px}.case-featured{grid-template-columns:1fr;margin-bottom:24px}.case-featured .case-card-images{aspect-ratio:4/3;min-height:0}.case-card-images.paired{grid-template-columns:1fr 1fr}.case-featured .case-card-copy{padding:25px}.case-featured h3{font-size:24px}.case-featured p{font-size:13px;margin-bottom:22px}.case-card h3{font-size:22px}.case-card-copy{padding:25px}.case-photo-label{left:12px;bottom:12px}.case-gallery{margin-block:24px;gap:24px}.case-photo img{max-height:600px}.photo-zoom{right:10px;bottom:10px}.resource-guides{margin-top:48px;padding-top:42px}.article-aside:has(.case-facts){grid-template-columns:1fr}.article-aside .case-facts{grid-row:auto;padding-bottom:20px;border-bottom:1px solid var(--line)}.case-facts dl{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}.case-facts dl>div{margin:8px 0}.case-source-note{font-size:11px}.section-head:has(+.case-grid){flex-wrap:wrap}}