:root{--navy:#102b46;--gold:#b78025;--ink:#182c3a;--muted:#526674;--line:#d8e1e5;--paper:#f4f6f6;--cream:#f7f0e3;--green:#17654f;--radius:6px}*{box-sizing:border-box}html{scroll-padding-top:90px}body{margin:0;color:var(--ink);background:#fff;font:16px/1.7 "Microsoft JhengHei","PingFang TC",system-ui,sans-serif}a{color:var(--navy);text-underline-offset:4px}a:hover{color:#8c5a13}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(29px,4vw,48px);line-height:1.25;letter-spacing:-.025em;margin-bottom:18px}h2{font-size:clamp(23px,2.5vw,31px);line-height:1.4}h3{font-size:19px;line-height:1.5}small,.small{font-size:14px}.wrap{width:min(1150px,calc(100% - 40px));margin:auto}.skip{position:fixed;top:-100px;left:20px;background:#fff;padding:12px;z-index:20}.skip:focus{top:10px}:focus-visible{outline:3px solid #bc861f;outline-offset:3px}.top{background:var(--navy);color:white;font-size:13px;padding:7px 0}.top .wrap{display:flex;justify-content:space-between;gap:15px}.top a{color:white}.header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 0}.brand{text-decoration:none;font-weight:900;font-size:23px;line-height:1.2}.brand small{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted);margin-top:7px}.nav{display:flex;gap:24px;align-items:center}.nav a{text-decoration:none;font-weight:700;font-size:15px;white-space:nowrap}.nav a[aria-current=page]{color:#8c5a13;border-bottom:2px solid var(--gold)}.hero{background:var(--paper);border-bottom:1px solid var(--line);padding:50px 0}.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:45px;align-items:start}.eyebrow{color:#815619;letter-spacing:.1em;font-size:13px;font-weight:800;margin-bottom:12px}.lead{color:var(--muted);max-width:720px;font-size:18px}.search-panel{background:white;border:1px solid var(--line);border-top:4px solid var(--gold);padding:24px}.search-panel h2{font-size:21px;margin-bottom:12px}.search-form{display:flex;gap:8px}.search-form label{flex:1;min-width:0}.search-form input{width:100%}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}.btn{display:inline-flex;justify-content:center;align-items:center;text-decoration:none;min-height:45px;padding:9px 17px;border:1px solid var(--navy);border-radius:var(--radius);background:var(--navy);color:white;font-weight:700;text-align:center;line-height:1.5}.btn:hover{background:#214b6d;color:white}.btn.alt{background:white;color:var(--navy);border-color:#a9bbc5}.btn.alt:hover{background:var(--paper)}.btn.gold{background:var(--gold);border-color:var(--gold);color:#fff}.btn:disabled{background:#e7ebed;color:#526674;border-color:var(--line);cursor:not-allowed}.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.quick-links{display:flex;flex-wrap:wrap;gap:8px 17px;margin-top:12px;font-size:14px}.section{padding:42px 0}.section.shaded{background:var(--paper)}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:baseline;margin-bottom:20px}.section-head h2{margin:0}.catalog-nav{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.category-link{padding:18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none}.category-link strong{display:block}.category-link small{color:var(--muted)}.category-link:hover{background:var(--cream)}.product-row{display:grid;grid-template-columns:65px minmax(0,1fr) 120px 220px;gap:15px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.product-row h3{font-size:17px;margin:0 0 4px}.product-row h3 a{text-decoration:none}.product-row p{font-size:13px;color:var(--muted);margin:0}.product-row .actions{justify-content:flex-end}.code{color:var(--muted);font-size:14px;font-weight:800}.price{color:var(--navy);font-weight:800;white-space:nowrap}.price.large{font-size:33px}.breadcrumbs{font-size:13px;color:var(--muted);padding:19px 0}.breadcrumbs a{color:var(--muted)}.product-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(270px,.8fr);gap:40px;align-items:start}.buy-panel{background:var(--cream);padding:26px;border-top:4px solid var(--gold);position:sticky;top:105px}.buy-panel .btn{width:100%;margin-bottom:10px}.notice{padding:17px 19px;border-left:4px solid var(--gold);background:var(--cream);font-size:14px}.facts{display:grid;grid-template-columns:145px 1fr;border-top:1px solid var(--line);margin:23px 0}.facts dt,.facts dd{padding:12px 0;border-bottom:1px solid var(--line);margin:0}.facts dt{color:var(--muted)}.facts dd{overflow-wrap:anywhere}.split{display:grid;grid-template-columns:1fr 1fr;gap:30px}.checklist{padding-left:22px}.checklist li{padding:6px 0}.toolbar{background:var(--paper);padding:22px;margin-bottom:20px}.filters{display:flex;gap:14px;flex-wrap:wrap;align-items:end;margin-top:13px}.filters label{display:flex;flex-direction:column;font-size:13px;gap:4px}.filters select{max-width:100%}.result-count{font-size:14px;color:var(--muted);margin:17px 0}.empty{padding:28px;background:var(--cream)}[hidden]{display:none!important}.company-row{padding:22px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:15px}.company-row h3{margin:0 0 7px}.company-row p{margin:0;color:var(--muted);font-size:14px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;counter-reset:steps}.steps>div{border-top:3px solid var(--gold);padding-top:17px}.steps strong{font-size:18px;display:block;margin-bottom:8px}.steps p{font-size:14px;color:var(--muted)}.footer{background:var(--navy);color:#e0e8ed;padding:37px 0 105px;margin-top:35px;font-size:14px}.footer .split{grid-template-columns:1.5fr 1fr}.footer a{color:#fff}.footer nav{display:flex;flex-wrap:wrap;gap:12px 20px;margin:14px 0}.footer strong{color:white;font-size:18px}.dock{position:fixed;bottom:15px;left:50%;transform:translateX(-50%);z-index:8;width:min(570px,calc(100% - 30px))}.dock button{display:flex;width:100%;justify-content:space-between;gap:12px;box-shadow:0 4px 18px #102b4629}.dock small{font-weight:400}.toast{position:fixed;bottom:88px;left:50%;transform:translateX(-50%);background:#163f35;color:white;padding:10px 22px;border-radius:6px;z-index:12;max-width:calc(100% - 24px);text-align:center}.toast:empty{display:none}dialog{width:min(720px,calc(100% - 24px));border:1px solid var(--line);padding:25px;border-radius:8px;max-height:88vh;overflow:auto}dialog::backdrop{background:#071e32aa}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:15px}.dialog-head h2{font-size:24px}.close{border:0;background:none;padding:4px 10px;font-size:26px}.cart-line{display:grid;grid-template-columns:1fr 115px 90px;gap:15px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.cart-line h3{font-size:16px;margin:0}.cart-line small{color:var(--muted)}.qty{width:75px}.remove{border:0;background:transparent;color:#8c3127;text-decoration:underline;padding:9px}.total{display:flex;justify-content:space-between;font-size:22px;font-weight:900;padding:20px 0}.order-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:35px}.form-panel{border:1px solid var(--line);padding:24px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:17px}.field label{font-size:14px;font-weight:700}input,select,textarea{border:1px solid #9eafb9;border-radius:5px;padding:10px 12px;min-width:0;background:white;color:var(--ink);font-size:16px}textarea{width:100%;resize:vertical;min-height:130px}.form-hint{font-size:13px;color:var(--muted)}.warning{color:#7b5012;background:var(--cream);padding:15px}.preview{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.7 inherit;background:var(--paper);padding:15px}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:700}.faq p{margin:12px 0 0;color:var(--muted)}.text-link{border:0;background:none;text-decoration:underline;color:var(--navy);padding:10px 0}.comparison{width:100%;border-collapse:collapse}.comparison th,.comparison td{padding:14px 10px;text-align:left;border-bottom:1px solid var(--line)}.comparison th{background:var(--paper)}.scroll-table{overflow:auto}.status{color:var(--green);font-weight:700}
@media(max-width:850px){.hero-grid,.product-grid,.order-grid{grid-template-columns:1fr;gap:26px}.buy-panel{position:static}.catalog-nav{grid-template-columns:repeat(3,1fr)}.product-row{grid-template-columns:50px 1fr 110px}.product-row .actions{grid-column:2/4;justify-content:flex-start}.nav{gap:15px}.hero{padding:32px 0}.section{padding:30px 0}.steps{gap:16px}}
@media(max-width:580px){.wrap{width:calc(100% - 28px)}.top .wrap{display:block}.top span:last-child{display:none}.header .wrap{flex-direction:column;align-items:flex-start;gap:13px;padding:13px 0}.brand{font-size:21px}.brand small{display:inline;margin-left:8px;font-size:9px}.nav{width:100%;justify-content:space-between;gap:8px}.nav a{font-size:14px}.nav .desktop{display:none}.hero{padding:28px 0}.hero-grid{gap:18px}.lead{font-size:16px}.search-panel{padding:18px}.search-form{flex-wrap:wrap}.search-form .btn{padding:9px 12px}.catalog-nav{grid-template-columns:1fr 1fr}.category-link{padding:14px}.category-link strong{font-size:15px}.product-row{grid-template-columns:43px minmax(0,1fr);gap:8px 12px;padding:17px 0}.product-row .price{grid-column:2}.product-row .actions{grid-column:2;gap:8px}.product-row .actions .btn{font-size:14px;min-height:41px;padding:8px 12px}.split,.footer .split,.steps{grid-template-columns:1fr;gap:20px}.section-head{display:block}.section-head a{font-size:14px}.toolbar{padding:16px}.filters{gap:10px}.filters label{flex:1;min-width:120px}.facts{grid-template-columns:100px 1fr;font-size:14px}.company-row{grid-template-columns:1fr;gap:5px}.company-row .btn{justify-self:start}.cart-line{grid-template-columns:minmax(0,1fr) 80px;gap:8px}.cart-line .remove{grid-column:2;grid-row:2}.cart-line label{font-size:13px}.cart-line input{width:70px}.dock .btn{font-size:14px;padding:12px}.dock small{display:none}.form-panel{padding:18px}.comparison{font-size:14px}.footer{margin-top:22px}.notice{padding:14px}dialog{padding:18px}.total{font-size:19px}.brand small{letter-spacing:.06em}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.mobile-buy{display:none}#product-purchase{scroll-margin-top:140px}@media(max-width:850px){.mobile-buy{display:inline-flex;margin:0 0 18px}}