修复流式传输的错误

public/css/style.css

@@ -636,6 +636,92 @@ header p {
     transition: width 0.25s ease;
 }
 
+.progress-fill.transcode-fill {
+    background: linear-gradient(90deg, #8b5cf6, #6d28d9);
+}
+
+/* Phase containers */
+.phase-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 0.75rem;
+    width: 85%;
+    max-width: 420px;
+    animation: phaseIn 0.4s ease;
+}
+
+@keyframes phaseIn {
+    from { opacity: 0; transform: translateY(12px); }
+    to { opacity: 1; transform: translateY(0); }
+}
+
+.phase-container h3 {
+    font-size: 1.1rem;
+    font-weight: 700;
+    margin: 0;
+}
+
+.phase-container .phase-detail {
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+    margin: 0;
+}
+
+.phase-icon {
+    width: 64px;
+    height: 64px;
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-bottom: 0.25rem;
+}
+
+.phase-icon.download-icon {
+    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(59, 130, 246, 0.15));
+    color: #0891b2;
+    animation: pulse-download 2s ease-in-out infinite;
+}
+
+@keyframes pulse-download {
+    0%, 100% { box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.3); }
+    50% { box-shadow: 0 0 0 12px rgba(6, 182, 212, 0); }
+}
+
+.phase-icon.transcode-icon {
+    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(109, 40, 217, 0.15));
+    color: #7c3aed;
+    animation: pulse-transcode 2s ease-in-out infinite;
+}
+
+@keyframes pulse-transcode {
+    0%, 100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.3); }
+    50% { box-shadow: 0 0 0 12px rgba(139, 92, 246, 0); }
+}
+
+/* Transcode stats */
+.transcode-stats {
+    display: flex;
+    gap: 0.75rem;
+    justify-content: center;
+    flex-wrap: wrap;
+    margin-top: 0.25rem;
+}
+
+.transcode-stats span {
+    font-size: 0.8rem;
+    color: var(--text-secondary);
+    background: rgba(148, 163, 184, 0.12);
+    padding: 0.25rem 0.6rem;
+    border-radius: 8px;
+    font-weight: 500;
+}
+
+.transcode-stats span:empty {
+    display: none;
+}
+
 .play-btn {
     margin-top: 1rem;
     padding: 0.85rem 1.25rem;