:root{--steel-bg-deep: #f4f6f8;--steel-surface: #ffffff;--steel-border: rgba(0, 0, 0, .08);--steel-accent: #e65100;--steel-text-main: #1e252b;--steel-text-muted: #5a646e;--radius-sharp: 2px;--font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang TC", "Noto Sans TC", sans-serif;--max-width: 1200px}[data-theme=dark]{--steel-bg-deep: #0f1114;--steel-surface: #181b20;--steel-border: rgba(255, 255, 255, .08);--steel-text-main: #f0f2f5;--steel-text-muted: #8a929b}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:5rem}body{background-color:var(--steel-bg-deep);color:var(--steel-text-main);font-family:var(--font-stack);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background-color .2s ease,color .2s ease}body.no-scroll{overflow:hidden}.bg-corrugated{background-image:repeating-linear-gradient(90deg,transparent,transparent 40px,rgba(128,128,128,.035) 40px,rgba(128,128,128,.035) 80px)}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}header{position:sticky;top:0;z-index:1000;background:var(--steel-surface);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--steel-border);box-shadow:0 2px 12px #0000000a}.btn-forge{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;background-color:var(--steel-accent);color:#fff;font-weight:600;text-decoration:none;border:none;border-radius:var(--radius-sharp);cursor:pointer;transition:transform .15s ease,background-color .15s ease}.btn-forge:hover{background-color:#ff6d00;transform:translateY(-1px)}.theme-toggle-btn{background:transparent;border:1px solid var(--steel-border);color:var(--steel-text-main);padding:.4rem .75rem;border-radius:var(--radius-sharp);cursor:pointer;font-size:.85rem;display:inline-flex;align-items:center;gap:.35rem;transition:background-color .15s ease}.theme-toggle-btn:hover{background:var(--steel-border)}.mobile-quick-bar{position:fixed;bottom:0;left:0;right:0;background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--steel-border);display:none;padding:.75rem 1rem;z-index:1000}[data-theme=dark] .mobile-quick-bar{background:#181b20f2}.news-header-wrap{border-bottom:2px solid var(--steel-border);padding-bottom:.75rem;margin-bottom:1.5rem;display:flex;justify-content:space-between;align-items:flex-end;gap:1rem}.news-header-subtitle{font-size:.85rem;color:var(--steel-text-muted);flex-shrink:0}.news-list{display:flex;flex-direction:column;gap:.75rem}.news-item{background:var(--steel-surface);border:1px solid var(--steel-border);border-radius:var(--radius-sharp);padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1.25rem;transition:border-color .15s ease,transform .15s ease}.news-item:hover{border-color:#e6510066;transform:translate(4px)}.news-meta{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.news-tag{font-size:.75rem;font-weight:600;padding:.2rem .5rem;border-radius:var(--radius-sharp);border:1px solid var(--steel-border);background:var(--steel-bg-deep);color:var(--steel-text-muted)}.news-tag.pinned{border-color:var(--steel-accent);color:#fff;background:var(--steel-accent)}.news-date{font-size:.85rem;color:var(--steel-text-muted);font-family:monospace}.news-title-wrap{flex:1}.news-title{font-size:1rem;font-weight:600;color:var(--steel-text-main);margin-bottom:.2rem}.news-desc{font-size:.85rem;color:var(--steel-text-muted);line-height:1.4}.news-badge-slot{display:inline-block;width:42px;visibility:hidden;flex-shrink:0}.filter-bar{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}.filter-btn{background:var(--steel-surface);color:var(--steel-text-muted);border:1px solid var(--steel-border);padding:.45rem 1rem;font-size:.85rem;font-weight:500;border-radius:var(--radius-sharp);cursor:pointer;transition:all .15s ease}.filter-btn:hover{color:var(--steel-text-main);border-color:var(--steel-accent)}.filter-btn.active{background:var(--steel-accent);color:#fff;border-color:var(--steel-accent);font-weight:600}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.product-card{background:var(--steel-surface);border:1px solid var(--steel-border);border-radius:var(--radius-sharp);overflow:hidden;display:flex;flex-direction:column;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.product-card:hover{transform:translateY(-3px);border-color:#e6510066;box-shadow:0 8px 24px #00000014}.product-thumb-wrap{width:100%;height:200px;background:var(--steel-bg-deep);position:relative;overflow:hidden}.product-thumb-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.product-card:hover .product-thumb-wrap img{transform:scale(1.03)}.product-body{padding:1.25rem;display:flex;flex-direction:column;flex-grow:1}.product-category-tag{font-size:.75rem;color:var(--steel-accent);font-weight:600;text-transform:uppercase;margin-bottom:.4rem}.product-title{font-size:1.1rem;font-weight:700;line-height:1.4;margin-bottom:.6rem;color:var(--steel-text-main)}.product-desc{font-size:.85rem;color:var(--steel-text-muted);line-height:1.5;margin-bottom:1rem;flex-grow:1}.product-specs-box{background:var(--steel-bg-deep);border-top:1px solid var(--steel-border);padding:.6rem .75rem;border-radius:var(--radius-sharp);font-size:.8rem;color:var(--steel-text-muted);display:flex;justify-content:space-between}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}.features-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.feature-card{background:var(--steel-surface);border:1px solid var(--steel-border);padding:1.25rem;border-radius:var(--radius-sharp);transition:border-color .2s ease}.feature-card:hover{border-color:#e6510066}.feature-icon{font-size:1.5rem;margin-bottom:.5rem}.feature-title{font-size:1rem;font-weight:700;color:var(--steel-text-main);margin-bottom:.4rem}.feature-desc{font-size:.8rem;color:var(--steel-text-muted);line-height:1.5}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:stretch}.contact-info-card{background:var(--steel-surface);border:1px solid var(--steel-border);border-radius:var(--radius-sharp);padding:1.75rem;display:flex;flex-direction:column;justify-content:space-between}.contact-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.85rem}.contact-list li{display:flex;flex-direction:column;gap:.2rem;border-bottom:1px solid var(--steel-border);padding-bottom:.6rem}.contact-list li:last-child{border-bottom:none;padding-bottom:0}.contact-label{font-size:.75rem;font-weight:600;color:var(--steel-accent);text-transform:uppercase}.contact-value{font-size:.95rem;color:var(--steel-text-main)}.contact-map-wrap{background:var(--steel-surface);border:1px solid var(--steel-border);border-radius:var(--radius-sharp);overflow:hidden;display:flex}.footer-wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}.footer-meta-info{text-align:right;font-size:.75rem}.lightbox-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2000;background:#0a0c0ec7;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:1.5rem;opacity:0;pointer-events:none;transition:opacity .2s cubic-bezier(.16,1,.3,1)}.lightbox-backdrop.active{opacity:1;pointer-events:auto}.lightbox-dialog{position:relative;background:var(--steel-surface);border:1px solid var(--steel-border);border-radius:var(--radius-sharp);max-width:960px;width:100%;max-height:90vh;display:flex;overflow:hidden;box-shadow:0 16px 40px #00000080;transform:scale(.97);transition:transform .2s cubic-bezier(.16,1,.3,1)}.lightbox-backdrop.active .lightbox-dialog{transform:scale(1)}.lightbox-close-btn{position:absolute;top:.75rem;right:.75rem;z-index:10;width:36px;height:36px;background:var(--steel-bg-deep);border:1px solid var(--steel-border);border-radius:var(--radius-sharp);color:var(--steel-text-main);font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease}.lightbox-close-btn:hover{background:var(--steel-border)}.lightbox-content{display:grid;grid-template-columns:1fr 340px;width:100%;max-height:90vh}.lightbox-img-wrap{background:var(--steel-bg-deep);display:flex;align-items:center;justify-content:center;padding:1rem;overflow:hidden}.lightbox-img-wrap img{max-width:100%;max-height:75vh;object-fit:contain}.lightbox-info{padding:2rem 1.5rem;display:flex;flex-direction:column;overflow-y:auto;border-left:1px solid var(--steel-border)}.brand-title-en{font-family:SF Pro Display,-apple-system,Segoe UI,Roboto,sans-serif;font-size:.85rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-accent);background:#e6510014;padding:.15rem .5rem;border-radius:var(--radius-sharp);border:1px solid rgba(230,81,0,.25);display:inline-block;vertical-align:middle;transition:all .2s ease}[data-theme=dark] .brand-title-en{color:#ff9800;background:#ff98001f;border-color:#ff980059}.news-cat-badge{font-size:.78rem;font-weight:600;padding:.15rem .5rem;border-radius:var(--radius-sharp);min-width:68px;text-align:center;box-sizing:border-box;line-height:1.2;display:inline-block;white-space:nowrap;transition:all .2s ease}.cat-product{color:#0277bd;background:#0277bd14;border:1px solid rgba(2,119,189,.3)}[data-theme=dark] .cat-product{color:#4fc3f7;background:#4fc3f71f;border-color:#4fc3f759}.cat-facility{color:#e65100;background:#e6510014;border:1px solid rgba(230,81,0,.3)}[data-theme=dark] .cat-facility{color:#ffb74d;background:#ffb74d1f;border-color:#ffb74d59}.cat-project{color:#2e7d32;background:#2e7d3214;border:1px solid rgba(46,125,50,.3)}[data-theme=dark] .cat-project{color:#81c784;background:#81c7841f;border-color:#81c78459}.cat-holiday{color:#6a1b9a;background:#6a1b9a14;border:1px solid rgba(106,27,154,.3)}[data-theme=dark] .cat-holiday{color:#ba68c8;background:#ba68c81f;border-color:#ba68c859}.cat-default{color:var(--steel-text-muted);background:var(--steel-bg-deep);border:1px solid var(--steel-border)}@media (max-width: 768px){body{padding-bottom:4.5rem}.news-header-wrap{flex-direction:column;align-items:flex-start;gap:.4rem}.news-header-subtitle{margin-top:.2rem}.news-item{flex-direction:column;align-items:flex-start;gap:.5rem}.about-grid,.contact-grid{grid-template-columns:1fr!important;gap:1.5rem!important}.features-grid{grid-template-columns:1fr!important}.contact-map-wrap iframe,iframe{width:100%;min-height:280px!important;border-radius:var(--radius-sharp)}.footer-wrap{flex-direction:column;gap:.75rem}.footer-meta-info{text-align:left!important}.lightbox-backdrop{padding:.5rem}.lightbox-content{grid-template-columns:1fr;overflow-y:auto}.lightbox-info{border-left:none;border-top:1px solid var(--steel-border);padding:1.25rem}.lightbox-img-wrap img{max-height:45vh}.brand-title-en{font-size:.75rem;padding:.1rem .4rem;letter-spacing:.1em}}