feat: vendor tooltips, logos, descriptions, product URLs from mont.ru

static/css/index.css

@@ -667,3 +667,90 @@
       text-align: center;
     }
 
+
+    /* ── Vendor tooltip popup ── */
+    .vendor-tooltip {
+      position: fixed;
+      z-index: 9999;
+      width: 280px;
+      background: #fff;
+      border-radius: 16px;
+      box-shadow: 0 20px 60px rgba(16,43,95,.22), 0 4px 16px rgba(16,43,95,.12);
+      border: 1px solid #dae6ff;
+      padding: 0;
+      pointer-events: none;
+      opacity: 0;
+      transform: translateY(6px) scale(.97);
+      transition: opacity .18s ease, transform .18s ease;
+      overflow: hidden;
+    }
+    .vendor-tooltip.visible {
+      opacity: 1;
+      transform: translateY(0) scale(1);
+    }
+    .vtt-logo {
+      width: 100%;
+      height: 88px;
+      background: #f5f8ff;
+      border-bottom: 1px solid #e8f0ff;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      padding: 12px 20px;
+    }
+    .vtt-logo img {
+      max-width: 100%;
+      max-height: 64px;
+      object-fit: contain;
+    }
+    .vtt-logo-placeholder {
+      font-size: 22px;
+      font-weight: 800;
+      color: #3978e0;
+      letter-spacing: .5px;
+    }
+    .vtt-body {
+      padding: 12px 14px 14px;
+    }
+    .vtt-name {
+      font-size: 13px;
+      font-weight: 800;
+      color: #1a3e79;
+      margin: 0 0 6px;
+    }
+    .vtt-desc {
+      font-size: 12px;
+      color: #4a5d7a;
+      line-height: 1.55;
+      margin: 0 0 10px;
+      display: -webkit-box;
+      -webkit-line-clamp: 4;
+      -webkit-box-orient: vertical;
+      overflow: hidden;
+    }
+    .vtt-links {
+      display: flex;
+      gap: 6px;
+      flex-wrap: wrap;
+    }
+    .vtt-link {
+      display: inline-flex;
+      align-items: center;
+      gap: 4px;
+      font-size: 11px;
+      font-weight: 700;
+      padding: 4px 9px;
+      border-radius: 999px;
+      text-decoration: none;
+      transition: .15s ease;
+    }
+    .vtt-link.mont {
+      background: linear-gradient(135deg, #1f4ea3, #3978e0);
+      color: #fff;
+    }
+    .vtt-link.site {
+      background: #eef4ff;
+      color: #2a5aaa;
+      border: 1px solid #d0e0ff;
+    }
+    .vtt-link:hover { opacity: .85; }