:root{--brand: #3b82f6;--brand-dark: #1d4ed8;--brand-light: #dbeafe;--violet: #8b5cf6;--violet-light: #ede9fe;--ok: #16a34a;--warn: #d97706;--bad: #dc2626;--bg: #f8fafc;--card: #ffffff;--line: #e2e8f0;--ink: #0f172a;--ink-soft: #475569;--ink-mute: #94a3b8;--sidebar: #0f172a;--sidebar-hover: #1e293b;--sidebar-active: #1d4ed8;--gradient: linear-gradient(135deg, #3b82f6, #8b5cf6)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg)}#app{height:100%}.product-link:hover{text-decoration-color:var(--brand)!important;opacity:.8}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 1px 2px #0f172a0a}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;font-weight:600;font-size:13px;transition:all 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