/* 下载页 · 订单矩阵侧栏 */
.matrix-page{display:grid;grid-template-columns:280px 1fr;min-height:calc(100vh - 120px)}
.matrix-sidebar{background:#3d3d3d;color:#ccc;padding:1.75rem 1.25rem;border-right:3px solid #2563eb}
.matrix-sidebar h1{font-size:1.1rem;color:#fff;font-weight:800;margin-bottom:.35rem;text-transform:uppercase;letter-spacing:.04em}
.matrix-sidebar>p{font-size:.82rem;color:#999;margin-bottom:1.25rem;line-height:1.5}
.matrix-table{width:100%;border-collapse:collapse;font-size:.75rem;font-family:Consolas,monospace}
.matrix-table th,.matrix-table td{border:1px solid #555;padding:.45rem .5rem;text-align:left}
.matrix-table th{background:#2a2a2a;color:#aaa;font-weight:600;text-transform:uppercase;font-size:.65rem;letter-spacing:.06em}
.matrix-table td{color:#ddd}
.matrix-table .ok{color:#2563eb;font-weight:700}
.matrix-table tr.active td{background:#2a2a2a;color:#fff}
.matrix-table tr.active .ok{color:#60a5fa}

.matrix-main{background:#ececec;padding:2rem 2rem 3rem}
.order-cards{display:flex;flex-direction:column;gap:1rem}
.order-card{display:grid;grid-template-columns:100px 1fr auto;gap:1.25rem;align-items:center;background:#f8f8f8;border:1px solid #bbb;padding:1.15rem}
.order-card.featured{border-left:4px solid #2563eb}
.order-card img{border:1px solid #ccc;max-height:72px;object-fit:cover;width:100%}
.order-card h2{font-size:1rem;margin-bottom:.25rem;font-weight:800}
.order-card p{font-size:.82rem;color:#555}
.btn-order{display:inline-block;background:#3d3d3d;color:#fff!important;padding:.5rem 1rem;font-weight:700;font-size:.82rem;text-decoration:none!important;font-family:Consolas,monospace;letter-spacing:.04em}
.btn-order:hover{background:#2563eb}
.order-note{margin-top:1.5rem;padding:1rem;border:1px dashed #999;font-size:.82rem;color:#666;background:#f0f0f0}

.matrix-faq{padding:2rem;background:#e4e4e4;border-top:1px solid #ccc}
.faq-list{max-width:720px;margin:0 auto}
.faq-item{border:1px solid #bbb;margin-bottom:.35rem;background:#f8f8f8}
.faq-q{width:100%;text-align:left;background:#ececec;border:none;padding:.95rem 1.1rem;font-size:.9rem;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;color:#2a2a2a;font-family:inherit}
.faq-q::after{content:"+";font-family:Consolas,monospace;color:#666}
.faq-item.open .faq-q{border-left:4px solid #2563eb}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{display:none;padding:0 1.1rem .95rem;font-size:.86rem;color:#555}
.faq-item.open .faq-a{display:block}

@media(max-width:820px){
  .matrix-page{grid-template-columns:1fr}
  .matrix-sidebar{border-right:none;border-bottom:3px solid #2563eb}
  .order-card{grid-template-columns:1fr}
}