:root{--primary: #1a56db;--primary-dark: #1442a8;--text: #1f2937;--muted: #6b7280;--border: #e5e7eb;--bg: #f9fafb;--danger: #dc2626;--radius: 8px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}a{color:var(--primary);text-decoration:none}img{max-width:100%;display:block}.container{max-width:1200px;margin:0 auto;padding:0 16px}.app{min-height:100vh;display:flex;flex-direction:column}.main{flex:1}.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between;height:56px}.brand{font-size:1.15rem;font-weight:700;color:var(--text)}.hamburger{display:flex;flex-direction:column;gap:5px;background:none;border:none;padding:8px;cursor:pointer}.hamburger span{width:22px;height:2px;background:var(--text)}.nav{display:none;flex-direction:column;position:absolute;top:56px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:8px 16px 16px}.nav.open{display:flex}.nav a{padding:10px 4px;color:var(--text)}.nav a.router-link-active{color:var(--primary);font-weight:600}.lang-switch{display:flex;gap:8px;padding:8px 4px}.lang-switch button{border:1px solid var(--border);background:#fff;border-radius:4px;padding:4px 10px;cursor:pointer;color:var(--text)}.lang-switch button.active{background:var(--primary);border-color:var(--primary);color:#fff}@media (min-width: 768px){.hamburger{display:none}.nav{display:flex;position:static;flex-direction:row;align-items:center;gap:24px;border:none;padding:0}.lang-switch{padding:0}}.site-footer{background:#111827;color:#d1d5db;padding:32px 0;margin-top:48px}.site-footer h3{color:#fff;margin-top:0}.copyright{color:#9ca3af;font-size:.875rem;margin-top:16px}.hero{background:linear-gradient(135deg,var(--primary),#0e2f6b);color:#fff;text-align:center;padding:64px 16px}.hero h1{margin:0 0 8px;font-size:2rem}.hero p{margin:0;opacity:.9}.section{padding:40px 0 8px}.section-title{font-size:1.4rem;margin-bottom:16px}.product-grid{display:grid;grid-template-columns:1fr;gap:16px}@media (min-width: 768px){.product-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1200px){.product-grid{grid-template-columns:repeat(3,1fr)}}.product-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .15s ease}.product-card:hover{box-shadow:0 4px 16px #00000014}.product-card .thumb{aspect-ratio:4 / 3;background:#e5e7eb;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.875rem}.product-card .thumb img{width:100%;height:100%;object-fit:cover}.product-card .body{padding:16px;flex:1;display:flex;flex-direction:column}.product-card h3{margin:0 0 8px;font-size:1.05rem}.product-card p{margin:0 0 12px;color:var(--muted);font-size:.9rem;flex:1}.btn{display:inline-block;border:1px solid var(--primary);background:var(--primary);color:#fff;border-radius:6px;padding:8px 16px;font-size:.9rem;cursor:pointer;text-align:center}.btn:hover{background:var(--primary-dark)}.btn.outline{background:#fff;color:var(--primary)}.btn.danger{background:var(--danger);border-color:var(--danger)}.btn.small{padding:4px 10px;font-size:.8rem}.detail-header{display:grid;grid-template-columns:1fr;gap:24px;margin:24px 0}@media (min-width: 768px){.detail-header{grid-template-columns:1fr 1fr}}.detail-image{background:#e5e7eb;border-radius:var(--radius);aspect-ratio:4 / 3;display:flex;align-items:center;justify-content:center;color:var(--muted)}.detail-image img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius)}.spec-table{width:100%;border-collapse:collapse;background:#fff}.spec-table th,.spec-table td{border:1px solid var(--border);padding:8px 12px;text-align:left;font-size:.9rem}.spec-table th{background:#f3f4f6;width:40%}.file-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.markdown-body{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px}.admin-shell{max-width:1000px;margin:0 auto;padding:24px 16px 64px}.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.admin-table{width:100%;border-collapse:collapse;background:#fff;font-size:.9rem}.admin-table th,.admin-table td{border:1px solid var(--border);padding:8px 10px;text-align:left}.admin-table th{background:#f3f4f6}.admin-table .actions{white-space:nowrap;display:flex;gap:6px}.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:24px}.form-row{margin-bottom:14px}.form-row label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px}.form-row input[type=text],.form-row input[type=password],.form-row textarea,.form-row input:not([type]){width:100%;border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:.9rem;font-family:inherit}.form-row textarea{min-height:90px;resize:vertical}.spec-edit-row,.file-edit-row{display:grid;grid-template-columns:1fr;gap:8px;margin-bottom:8px;padding:10px;border:1px dashed var(--border);border-radius:6px}@media (min-width: 768px){.spec-edit-row{grid-template-columns:1fr 1fr 1fr auto;align-items:center}}.login-card{max-width:360px;margin:80px auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px}.error-text{color:var(--danger);font-size:.85rem}.muted{color:var(--muted)}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.center{text-align:center}