feat: 全面对齐 V21 设计系统 - Indigo主色/大圆角/毛玻璃/渐变背景

apps/web/src/pages/workspace/ProjectGeneration.css

@@ -1,11 +1,28 @@
-/* V21 视频剪辑 */
+/* V21 视频剪辑页面 */
+
+/* ========== 布局 ========== */
 .xx-project-generation {
+  padding: var(--space-xl);
+  min-height: 100vh;
 }
 
+.xx-generation-layout {
+  display: grid;
+  grid-template-columns: 1fr 360px;
+  gap: var(--space-lg);
+}
+
+@media (max-width: 1200px) {
+  .xx-generation-layout {
+    grid-template-columns: 1fr;
+  }
+}
+
+/* ========== 模板网格 - V21 卡片 ========== */
 .xx-template-grid {
   display: grid;
   grid-template-columns: repeat(4, 1fr);
-  gap: 14px;
+  gap: var(--space-md);
 }
 
 @media (max-width: 1200px) {
@@ -20,59 +37,141 @@
   }
 }
 
-.xx-choice {
+/* ========== 模板选择卡片 ========== */
+.xx-choice-card {
   position: relative;
-  border: 2px solid #e2e8f0;
-  border-radius: 18px;
+  border: 2px solid var(--border-color);
+  border-radius: var(--radius-lg);
+  background: rgba(255, 255, 255, 0.94);
   padding: 14px;
-  background: white;
   cursor: pointer;
-  transition: all 0.2s;
+  transition: all 0.25s ease;
+  overflow: hidden;
 }
 
-.xx-choice:hover {
-  border-color: #4f46e5;
+.xx-choice-card:hover {
+  border-color: var(--primary-color);
+  transform: translateY(-2px);
+  box-shadow: var(--shadow-md);
 }
 
-.xx-choice.selected {
-  border-color: #4f46e5;
+.xx-choice-card.selected {
+  border-color: var(--primary-color);
   box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.16);
 }
 
-.check {
+/* 选中标记 */
+.xx-choice-card .check {
   position: absolute;
-  right: -7px;
-  top: -7px;
-  width: 26px;
-  height: 26px;
+  right: 10px;
+  top: 10px;
+  width: 28px;
+  height: 28px;
   border-radius: 50%;
-  background: #4f46e5;
+  background: var(--gradient-primary);
   color: white;
   display: grid;
   place-items: center;
   font-weight: 900;
+  font-size: 14px;
+  box-shadow: var(--shadow-primary);
 }
 
-.cover {
-  height: 78px;
-  border-radius: 14px;
+/* 模板封面 - 渐变背景 */
+.xx-template-cover {
+  height: 90px;
+  border-radius: var(--radius-md);
   display: grid;
   place-items: center;
   color: white;
-  font-size: 28px;
-  margin-bottom: 10px;
+  font-size: 32px;
+  font-weight: 850;
+  margin-bottom: 12px;
+  position: relative;
+  overflow: hidden;
 }
 
-.xx-choice b {
+.xx-template-cover::after {
+  content: '';
+  position: absolute;
+  inset: 0;
+  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
+}
+
+/* 渐变预设 */
+.gradient-1 {
+  background: linear-gradient(135deg, #4f46e5, #6366f1);
+}
+
+.gradient-2 {
+  background: linear-gradient(135deg, #10b981, #14b8a6);
+}
+
+.gradient-3 {
+  background: linear-gradient(135deg, #f59e0b, #f97316);
+}
+
+.gradient-4 {
+  background: linear-gradient(135deg, #ec4899, #8b5cf6);
+}
+
+/* 模板信息 */
+.xx-template-info b {
+  display: block;
   font-size: 15px;
   font-weight: 850;
-  color: #0f172a;
-  display: block;
+  color: var(--text-primary);
+  margin-bottom: 4px;
 }
 
-.xx-choice p {
-  margin: 5px 0 0;
-  color: #64748b;
+.xx-template-info p {
+  margin: 0;
+  color: var(--text-secondary);
   font-size: 12px;
   line-height: 1.4;
 }
+
+/* ========== 预览区域 ========== */
+.xx-preview-section {
+  position: sticky;
+  top: var(--space-xl);
+}
+
+.xx-preview-item {
+  display: flex;
+  align-items: center;
+  gap: var(--space-md);
+  padding: var(--space-md);
+  background: var(--bg-secondary);
+  border-radius: var(--radius-md);
+  margin-bottom: var(--space-sm);
+  transition: all 0.2s ease;
+}
+
+.xx-preview-item:hover {
+  background: var(--primary-soft);
+}
+
+.xx-preview-item .icon {
+  font-size: 28px;
+  width: 52px;
+  height: 52px;
+  display: grid;
+  place-items: center;
+  background: rgba(255, 255, 255, 0.9);
+  border-radius: var(--radius-md);
+  box-shadow: var(--shadow-xs);
+}
+
+.xx-preview-item h4 {
+  font-size: 14px;
+  font-weight: 850;
+  color: var(--text-primary);
+  margin: 0 0 4px;
+}
+
+.xx-preview-item p {
+  margin: 0;
+  font-size: 13px;
+  color: var(--text-secondary);
+}