:root{--cream: #f9f6f1;--warm-white: #fffdf9;--dark-brown: #2e211b;--clay: #c45f3e;--clay-dark: #a64d32;--olive: #5c6b45;--olive-dark: #465230;--sand: #e8e0d5;--sand-dark: #d8cfc2;--muted: #7a6e65;--light-border: rgba(46, 33, 27, .1);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;--container-max: 1200px;--section-padding-y: 5.5rem;--radius: 6px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(46, 33, 27, .05);--shadow: 0 8px 24px rgba(46, 33, 27, .08);--shadow-lg: 0 16px 40px rgba(46, 33, 27, .12)}*{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}body{margin:0;font-family:var(--font-sans);background:var(--cream);color:var(--dark-brown);line-height:1.65;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:1.25rem}@media(min-width:640px){.container{padding-inline:2rem}}@media(min-width:1024px){.container{padding-inline:2.5rem}}.section{padding-block:var(--section-padding-y)}.section-header{margin-bottom:2.5rem}.section-title{font-family:var(--font-serif);font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;line-height:1.25;margin:0 0 .5rem;color:var(--dark-brown)}.section-subtitle{font-size:1.05rem;color:var(--muted);margin:0;max-width:640px}.site-header{position:fixed;inset:0 0 auto;z-index:100;padding-block:1rem;background:transparent;transition:background .25s ease,box-shadow .25s ease,padding .25s ease}.site-header-scrolled{background:#f9f6f1eb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--light-border);padding-block:.75rem}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}.logo{font-family:var(--font-serif);font-size:1.25rem;font-weight:700;letter-spacing:.04em;color:var(--dark-brown);flex-shrink:0}.nav-list{display:flex;align-items:center;gap:.25rem;list-style:none;margin:0;padding:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.nav-list::-webkit-scrollbar{display:none}.nav-list a{display:inline-flex;align-items:center;gap:.35rem;padding:.5rem .75rem;font-size:.9rem;font-weight:500;color:var(--dark-brown);border-radius:var(--radius);white-space:nowrap;transition:background .18s ease,color .18s ease}.nav-list a:hover,.nav-list a:focus-visible{background:#2e211b0f;outline:none}@media(min-width:640px){.nav-list{gap:.5rem}.nav-list a{padding:.55rem 1rem}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.8rem 1.25rem;font-size:.95rem;font-weight:600;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease}.btn:hover{transform:translateY(-1px)}.btn:focus-visible{outline:3px solid rgba(196,95,62,.35);outline-offset:2px}.btn-primary{background:var(--clay);color:var(--warm-white);border-color:var(--clay)}.btn-primary:hover{background:var(--clay-dark);border-color:var(--clay-dark)}.btn-ghost{background:transparent;color:var(--dark-brown);border-color:#2e211b33}.btn-ghost:hover{background:#2e211b0a;border-color:#2e211b59}.btn-1688{width:100%;background:var(--dark-brown);color:var(--warm-white);border-color:var(--dark-brown);font-size:.88rem;padding:.7rem 1rem}.btn-1688:hover{background:#1f1612;border-color:#1f1612}.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;padding-bottom:3.5rem;overflow:hidden}.hero-media{position:absolute;inset:0;z-index:0}.hero-media img{width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,#2e211b2e,#2e211b73 60%,#2e211bb8)}.hero-content{position:relative;z-index:2;color:var(--warm-white);max-width:760px}.hero-eyebrow{font-size:.85rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;margin:0 0 .75rem;opacity:.9}.hero-title{font-family:var(--font-serif);font-size:clamp(2.4rem,7vw,4.5rem);font-weight:700;line-height:1.1;margin:0 0 1.25rem}.hero-lead{font-size:clamp(1.05rem,2.2vw,1.25rem);line-height:1.7;margin:0 0 1.75rem;max-width:600px;opacity:.92}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}.hero-boundary{display:inline-flex;align-items:flex-start;gap:.5rem;max-width:640px;padding:.75rem 1rem;background:#00000059;border-radius:var(--radius);font-size:.8rem;line-height:1.55;color:#fffdf9e6;margin:0}.hero-boundary svg{flex-shrink:0;margin-top:.1rem}.category-nav{position:sticky;top:56px;z-index:90;background:#f9f6f1c7;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid transparent;padding-block:.75rem;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}.category-nav-stuck{background:#f9f6f1f5;border-bottom-color:var(--light-border);box-shadow:var(--shadow-sm)}.category-nav-inner{display:flex;align-items:center;gap:1rem}.category-nav-label{font-size:.75rem;font-weight:600;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;white-space:nowrap;display:none}@media(min-width:480px){.category-nav-label{display:block}}.category-nav-list{display:flex;align-items:center;gap:.5rem;list-style:none;margin:0;padding:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;width:100%}.category-nav-list::-webkit-scrollbar{display:none}.category-nav-link{display:inline-block;padding:.45rem .9rem;font-size:.88rem;font-weight:600;color:var(--dark-brown);background:#2e211b0d;border-radius:999px;white-space:nowrap;transition:background .18s ease,color .18s ease}.category-nav-link:hover,.category-nav-link:focus-visible{background:var(--clay);color:var(--warm-white);outline:none}.buyers{background:var(--warm-white);border-bottom:1px solid var(--light-border)}.buyer-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:1.25rem}@media(min-width:640px){.buyer-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.buyer-grid{grid-template-columns:repeat(4,1fr)}}.buyer-card{padding:1.5rem;background:var(--cream);border:1px solid var(--light-border);border-radius:var(--radius-lg);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.buyer-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--sand-dark)}.buyer-icon{width:42px;height:42px;display:grid;place-items:center;background:var(--olive);color:var(--warm-white);border-radius:var(--radius);margin-bottom:1rem}.buyer-title{font-size:1.1rem;font-weight:700;margin:0 0 .5rem}.buyer-desc{font-size:.92rem;color:var(--muted);margin:0;line-height:1.6}.category-section{border-bottom:1px solid var(--light-border)}.category-section-alt{background:var(--warm-white)}.category-header{display:flex;flex-direction:column;gap:.75rem;margin-bottom:2rem}@media(min-width:768px){.category-header{flex-direction:row;align-items:flex-end;justify-content:space-between}}.category-title-group{display:flex;align-items:baseline;gap:.75rem}.category-code{font-family:var(--font-serif);font-size:.85rem;font-weight:700;color:var(--clay);letter-spacing:.08em}.category-title{font-family:var(--font-serif);font-size:clamp(1.6rem,3.5vw,2.25rem);font-weight:700;margin:0}.category-subtitle{font-size:.98rem;color:var(--muted);margin:0;max-width:520px}.category-layout{display:grid;gap:1.75rem}@media(min-width:1024px){.category-layout{grid-template-columns:360px 1fr;gap:2.5rem;align-items:start}}.category-hero-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4 / 3}.category-hero-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}.category-hero-image:hover img{transform:scale(1.03)}@media(prefers-reduced-motion:reduce){.category-hero-image:hover img{transform:none}}.product-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:1.25rem}@media(min-width:640px){.product-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.product-grid{grid-template-columns:repeat(3,1fr)}}.product-card{display:flex;flex-direction:column;background:var(--warm-white);border:1px solid var(--light-border);border-radius:var(--radius-lg);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}.category-section-alt .product-card{background:var(--cream)}.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.product-media{position:relative;aspect-ratio:4 / 3;overflow:hidden}.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.product-card:hover .product-media img{transform:scale(1.06)}@media(prefers-reduced-motion:reduce){.product-card:hover .product-media img{transform:none}}.product-sku-badge{position:absolute;top:.75rem;left:.75rem;padding:.25rem .6rem;background:var(--olive);color:var(--warm-white);font-size:.72rem;font-weight:700;letter-spacing:.04em;border-radius:999px}.product-body{display:flex;flex-direction:column;flex:1;padding:1.25rem;gap:.85rem}.product-meta{display:flex;flex-direction:column;gap:.25rem}.product-name{font-size:1.1rem;font-weight:700;margin:0;line-height:1.35}.product-material{font-size:.85rem;color:var(--muted);margin:0}.product-details{display:flex;flex-direction:column;gap:.45rem}.product-detail-row{display:flex;gap:.5rem;font-size:.88rem;line-height:1.55}.product-detail-label{flex-shrink:0;width:2.5rem;font-weight:600;color:var(--clay)}.product-detail-value{color:var(--dark-brown)}.configs{background:var(--warm-white)}.config-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:1.5rem}@media(min-width:768px){.config-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.config-grid{grid-template-columns:repeat(3,1fr)}}.config-card{padding:1.5rem;background:var(--cream);border:1px solid var(--light-border);border-radius:var(--radius-lg);display:flex;flex-direction:column}.config-title{font-family:var(--font-serif);font-size:1.25rem;font-weight:700;margin:0 0 .4rem}.config-summary{font-size:.92rem;color:var(--muted);margin:0 0 1.25rem;line-height:1.55}.config-list{list-style:none;margin:0 0 1.25rem;padding:0;display:flex;flex-direction:column;gap:.5rem;flex:1}.config-item{display:flex;align-items:center;justify-content:space-between;padding:.6rem .75rem;background:var(--warm-white);border-radius:var(--radius);font-size:.92rem}.config-item-name{color:var(--dark-brown)}.config-item-qty{font-weight:700;color:var(--olive)}.config-note{display:inline-flex;align-items:flex-start;gap:.45rem;margin:0;font-size:.85rem;color:var(--muted);line-height:1.5}.config-note svg{flex-shrink:0;margin-top:.15rem;color:var(--olive)}.procurement{background:var(--cream)}.procurement-list{display:flex;flex-direction:column;gap:.75rem;max-width:800px}.procurement-item{background:var(--warm-white);border:1px solid var(--light-border);border-radius:var(--radius-lg);overflow:hidden}.procurement-item-open{border-color:var(--sand-dark);box-shadow:var(--shadow)}.procurement-button{width:100%;display:flex;align-items:center;gap:.75rem;padding:1.1rem 1.25rem;background:transparent;border:none;color:var(--dark-brown);text-align:left;cursor:pointer;transition:background .18s ease}.procurement-button:hover,.procurement-button:focus-visible{background:#5c6b450f;outline:none}.procurement-number{flex-shrink:0;width:2rem;height:2rem;display:grid;place-items:center;background:var(--olive);color:var(--warm-white);font-size:.8rem;font-weight:700;border-radius:50%}.procurement-title-text{flex:1;font-size:1.05rem;font-weight:700}.procurement-chevron{flex-shrink:0;color:var(--muted);transition:transform .25s ease}.procurement-panel{padding:0 1.25rem 1.25rem 4rem;font-size:.95rem;line-height:1.7;color:var(--muted)}.procurement-panel p{margin:0}.contact{background:var(--warm-white);border-top:1px solid var(--light-border)}.contact-inner{display:flex;justify-content:center}.contact-card{width:100%;max-width:680px;padding:2.5rem 2rem;background:var(--cream);border:1px solid var(--light-border);border-radius:var(--radius-lg);text-align:center}.contact-text{margin:0 0 1.5rem;color:var(--muted);font-size:1.05rem}.contact-btn{margin-bottom:1.5rem}.contact-services{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.5rem;font-size:.88rem;color:var(--muted)}.contact-services span:first-child{font-weight:600;color:var(--olive)}.site-footer{padding:3rem 0 2rem;background:var(--dark-brown);color:#fffdf9b8;font-size:.88rem;line-height:1.7}.footer-inner{display:flex;flex-direction:column;gap:1.25rem}.footer-logo{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;color:var(--warm-white);margin:0}.footer-tagline{margin:.25rem 0 0;color:#fffdf999}.footer-disclaimer{display:flex;flex-direction:column;gap:.75rem;padding:1.25rem;background:#fffdf90f;border-radius:var(--radius-lg)}.footer-disclaimer p{margin:0}.footer-copyright{margin:.5rem 0 0;color:#fffdf980}.back-to-top{position:fixed;right:1.25rem;bottom:1.5rem;z-index:110;width:44px;height:44px;display:grid;place-items:center;background:var(--clay);color:var(--warm-white);border:none;border-radius:50%;box-shadow:var(--shadow-lg);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease}.back-to-top-visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover,.back-to-top:focus-visible{background:var(--clay-dark);outline:none}@media(max-width:639px){:root{--section-padding-y: 3.5rem}.hero{padding-bottom:2.5rem}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{width:100%}.hero-boundary{font-size:.75rem}.procurement-button{padding:1rem}.procurement-panel{padding:0 1rem 1rem}.procurement-title-text{font-size:.98rem}.contact-card{padding:1.75rem 1.25rem}.back-to-top{right:1rem;bottom:1rem}}