:root{--color-primary:#1a4d6d;--color-primary-dark:#0f3349;--color-accent:#c47a2c;--color-bg:#f8f6f2;--color-surface:#ffffff;--color-text:#1f2937;--color-text-muted:#6b7280;--color-border:#e5e7eb;--max-width:1120px;--radius:12px;--shadow:0 4px 24px rgba(26,77,109,0.08)}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.container{width:min(100% - 2rem,var(--max-width));margin-inline:auto}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);border-bottom:1px solid var(--color-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:72px}.locale-switcher{position:relative;flex-shrink:0}.locale-trigger{display:inline-flex;align-items:center;gap:.4rem;min-height:2.5rem;padding:.35rem .15rem;border:none;border-radius:0;background:transparent;box-shadow:none;-moz-appearance:none;appearance:none;-webkit-appearance:none;color:var(--color-text);font-size:.875rem;font-weight:500;font-family:inherit;cursor:pointer;transition:color .2s ease}.locale-trigger:hover,.locale-trigger[aria-expanded=true]{background:transparent;color:var(--color-primary)}.locale-trigger:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.locale-flag{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:1.35rem;height:1rem;line-height:0;overflow:hidden;border-radius:2px;box-shadow:0 0 0 1px rgba(20,20,20,.12)}.locale-flag svg{display:block;width:1.35rem;height:.9rem}.locale-trigger-code{font-size:.8125rem;font-weight:500;letter-spacing:.06em;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}.locale-menu{position:absolute;z-index:200;top:calc(100% + .35rem);inset-inline-end:0;min-width:12rem;margin:0;padding:.35rem;list-style:none;background:#fff;border:1px solid var(--color-border);border-radius:8px;box-shadow:0 12px 32px rgba(15,51,73,.14)}.locale-menu-item{display:flex;align-items:center;gap:.65rem;width:100%;padding:.55rem .75rem;border:none;border-radius:4px;background:transparent;color:var(--color-text);font-size:.875rem;font-weight:500;font-family:inherit;text-align:start;cursor:pointer;transition:background .15s ease,color .15s ease}.locale-menu-code{min-width:1.75rem;font-size:.75rem;font-weight:600;letter-spacing:.06em;color:var(--color-text-muted)}.locale-menu-item.is-active .locale-menu-code{color:var(--color-primary-dark)}.locale-menu-label{flex:1 1}.locale-menu-item:focus-visible,.locale-menu-item:hover{background:var(--color-bg);outline:none}.locale-menu-item.is-active{background:rgba(26,77,109,.08);color:var(--color-primary-dark);font-weight:600}[dir=rtl] .header-inner{flex-direction:row-reverse}.sample-center-links{list-style:none;margin:1rem 0 0;padding:0;display:flex;flex-direction:column;gap:.5rem}.sample-center-links a{font-weight:600;text-decoration:underline;text-underline-offset:3px}.sample-center-cta{margin-top:1rem}[dir=rtl] .nav-list{flex-direction:row-reverse}[dir=rtl] .breadcrumb li+li:before{content:"\\";margin-left:.5rem;margin-right:0}[dir=rtl] .info-card ul,[dir=rtl] .product-card ul{padding-right:1.25rem;padding-left:0}[dir=rtl] .footer-grid{text-align:right}[dir=rtl] .locale-menu-item{text-align:start}.logo{display:flex;align-items:center;gap:.75rem;font-weight:700;color:var(--color-text);text-decoration:none}.logo-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:var(--color-primary);color:#fff;font-size:1.1rem}.logo-mark--image{background:transparent;padding:0;overflow:hidden}.logo-mark--image img{width:100%;height:100%;object-fit:contain}.site-logo-upload{display:flex;flex-direction:column;gap:.75rem;align-items:flex-start}.site-logo-preview-card{max-width:200px}.site-favicon-preview{width:48px;height:48px;object-fit:contain}.site-hero-preview-card{width:min(100%,420px)}.site-hero-preview{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:8px}.site-heritage-preview-card{width:min(100%,280px)}.site-heritage-preview{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:8px}.nav-list{display:flex;gap:1.5rem;margin:0;padding:0;list-style:none}.nav-list a{font-weight:500;color:var(--color-text);text-decoration:none}.nav-list a:hover{color:var(--color-primary)}main{min-height:calc(100vh - 200px)}.section{padding:4rem 0}.section-header{margin-bottom:2rem}.section-header h2{margin:0 0 .5rem;font-size:1.75rem;color:var(--color-primary-dark)}.section-header p{margin:0;color:var(--color-text-muted)}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:1.5rem;gap:1.5rem}.info-card,.product-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.product-category{margin:0 0 .5rem;font-size:.875rem;color:var(--color-accent);font-weight:600}.product-card h2{margin:0 0 .75rem;font-size:1.25rem}.product-card ul{margin:1rem 0 1.5rem;padding-left:1.25rem;color:var(--color-text-muted)}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;text-decoration:none;transition:background .2s,color .2s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);text-decoration:none}.btn-outline{border:1px solid var(--color-primary);color:var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:#fff;text-decoration:none}.page-header{padding:3rem 0 2rem;background:#fff;border-bottom:1px solid var(--color-border)}.page-header h1{margin:0 0 .5rem;font-size:2rem;color:var(--color-primary-dark)}.page-header p{margin:0}.breadcrumb,.page-header p{color:var(--color-text-muted)}.breadcrumb{margin:0 0 1rem;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;font-size:.875rem}.breadcrumb li+li:before{content:"/";margin-right:.5rem}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:1.5rem;gap:1.5rem}.contact-grid address{font-style:normal}.contact-sample-notice{grid-column:1/-1;border-color:var(--color-accent);background:#fffbf7}.contact-mailing-addresses 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li{display:flex;align-items:center}.footer-social-link{display:grid;place-items:center;width:2.5rem;height:2.5rem;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#e5eef3;background:rgba(255,255,255,.06);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease}.footer-social-link__icon{display:grid;place-items:center;width:1.25rem;height:1.25rem;line-height:0}.footer-social-link__icon svg{display:block;width:1.25rem;height:1.25rem}.footer-social-link:hover{color:#fff;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.32);transform:translateY(-1px);text-decoration:none}.footer-bottom{padding:1rem 0 2rem;border-top:1px solid rgba(255,255,255,.15);font-size:.875rem;color:#b8c9d4}.header-actions{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.header-cart,.header-orders{position:relative;display:inline-flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:999px;color:var(--color-text);text-decoration:none;transition:background .2s ease,color .2s ease}.header-cart:hover,.header-orders:hover{background:rgba(0,0,0,.05);color:var(--color-primary);text-decoration:none}.header-cart-icon,.header-orders-icon{display:block}.header-cart-badge{background:var(--color-primary)}.header-cart-badge,.header-orders-badge{position:absolute;top:.1rem;right:.05rem;min-width:1.125rem;height:1.125rem;padding:0 .25rem;border-radius:999px;color:#fff;font-size:.625rem;font-weight:700;line-height:1.125rem;text-align:center}.header-orders-badge{background:#d97706;box-shadow:0 0 0 2px #fff}.header-icon-tooltip{position:absolute;top:calc(100% + .45rem);left:50%;z-index:30;transform:translateX(-50%) translateY(-2px);padding:.35rem .55rem;border-radius:.4rem;background:rgba(20,20,20,.92);color:#fff;font-size:.75rem;font-weight:500;line-height:1.35;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .15s ease,transform .15s ease,visibility .15s ease}.header-icon-tooltip:before{content:"";position:absolute;bottom:100%;left:50%;transform:translateX(-50%);border:5px solid transparent;border-bottom-color:rgba(20,20,20,.92)}.header-cart:focus-visible .header-icon-tooltip,.header-cart:hover .header-icon-tooltip,.header-orders:focus-visible .header-icon-tooltip,.header-orders:hover .header-icon-tooltip{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.header-auth{display:flex;align-items:center;gap:.75rem}.header-auth-name{max-width:8rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.875rem;font-weight:500;color:var(--color-text-muted);text-decoration:none}.header-auth-name:hover{color:var(--color-primary);text-decoration:underline}.header-auth-btn{display:inline-flex;align-items:center;justify-content:center;min-height:2.5rem;padding:.35rem 0;border:none;border-radius:0;background:transparent;box-shadow:none;-moz-appearance:none;appearance:none;-webkit-appearance:none;font-size:.875rem;font-weight:500;font-family:inherit;color:var(--color-text);text-decoration:none;cursor:pointer;transition:color .2s ease}.header-auth-btn:hover{color:var(--color-primary);text-decoration:none}.header-auth-btn:disabled{opacity:.55;cursor:not-allowed}.header-auth-btn--ghost,.header-auth-btn--ghost:hover{background:transparent}.header-auth-btn--primary{font-weight:600;color:var(--color-text);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}.header-auth-btn--primary:hover{background:transparent;color:var(--color-primary)}.auth-page{display:flex;justify-content:center;padding:3rem 1rem 4rem;min-height:calc(100vh - 72px - 200px)}.auth-card{width:100%;max-width:480px;padding:2rem;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:0 8px 32px rgba(15,51,73,.08)}.auth-card h1{margin:0 0 1.25rem;font-size:1.75rem;color:var(--color-primary-dark)}.auth-intro{margin:0 0 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select:focus{outline-color:rgba(192,57,43,.2);border-color:#c0392b}.auth-field-error{color:#a32020}.auth-field-error,.auth-field-success{margin:0;font-size:.8125rem;line-height:1.4}.auth-field-success{color:#1f6b34}.auth-form-error{margin:0;padding:.65rem .75rem;border-radius:8px;background:rgba(180,40,40,.08);color:#a32020;font-size:.875rem}.auth-radio-group{display:grid;grid-template-columns:1fr 1fr;grid-gap:.5rem;gap:.5rem}.auth-radio{display:flex;align-items:center;justify-content:center;min-height:2.75rem;padding:.5rem .75rem;border:1px solid var(--color-border);border-radius:8px;background:#fff;cursor:pointer;transition:border-color .2s ease,background .2s ease}.auth-radio input{position:absolute;opacity:0;pointer-events:none}.auth-radio 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.85rem;white-space:nowrap;cursor:pointer}.auth-code-btn:disabled{opacity:.6;cursor:not-allowed}.auth-field-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.auth-forgot-link{font-size:.8125rem;font-weight:600;color:var(--color-primary);white-space:nowrap}.auth-switch{margin:.5rem 0 0;text-align:center;font-size:.875rem;color:var(--color-text-muted)}.auth-switch-link{font-weight:600;color:var(--color-primary)}.auth-switch-button{border:none;background:none;padding:0;font:inherit;cursor:pointer}.auth-switch-button:disabled{color:var(--color-text-muted);cursor:not-allowed}@media (max-width:640px){.header-inner{flex-wrap:wrap;align-items:flex-start;padding:1rem 0}.nav-list{flex-wrap:wrap;gap:1rem}.header-actions{width:100%;justify-content:flex-end;flex-wrap:wrap}.locale-switcher{-webkit-margin-start:auto;margin-inline-start:auto}}.fabric-sample-thumb-placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;border:1px dashed 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