重构项目：将 xiaohongshu-platform 文件夹内容移至根目录
Change-Id: I69e4b3595122ada6a3a1124e1ebe3c9226513279
diff --git a/src/App.css b/src/App.css
new file mode 100644
index 0000000..00d10d6
--- /dev/null
+++ b/src/App.css
@@ -0,0 +1,583 @@
+.app {
+ display: flex;
+ min-height: 100vh;
+ background-color: #f5f7fa;
+}
+
+/* Header */
+.header {
+ position: fixed;
+ top: 0;
+ left: 0;
+ right: 0;
+ height: 60px;
+ background: #fff;
+ border-bottom: 1px solid #e8eaed;
+ display: flex;
+ align-items: center;
+ padding: 0 20px;
+ z-index: 1000;
+ box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+}
+
+.header-left {
+ display: flex;
+ align-items: center;
+ gap: 12px;
+}
+
+.logo {
+ background: #ff4757;
+ color: white;
+ padding: 6px 12px;
+ border-radius: 6px;
+ font-size: 14px;
+ font-weight: bold;
+}
+
+.header-title {
+ font-size: 18px;
+ font-weight: 500;
+ color: #333;
+}
+
+.header-right {
+ margin-left: auto;
+ display: flex;
+ align-items: center;
+ gap: 12px;
+}
+
+.user-info {
+ display: flex;
+ align-items: center;
+ gap: 8px;
+ color: #666;
+ font-size: 14px;
+}
+
+/* Sidebar */
+.sidebar {
+ position: fixed;
+ left: 0;
+ top: 60px;
+ width: 200px;
+ height: calc(100vh - 60px);
+ background: #fff;
+ border-right: 1px solid #e8eaed;
+ overflow-y: auto;
+ z-index: 999;
+}
+
+.publish-btn {
+ margin: 16px;
+ background: #ff4757;
+ color: white;
+ padding: 10px 16px;
+ border-radius: 6px;
+ font-size: 14px;
+ font-weight: 500;
+ text-align: center;
+ transition: background 0.2s;
+}
+
+.publish-btn:hover {
+ background: #ff3742;
+}
+
+.nav-menu {
+ padding: 0;
+ list-style: none;
+}
+
+.nav-item {
+ border-bottom: 1px solid #f0f0f0;
+}
+
+.nav-link {
+ display: flex;
+ align-items: center;
+ padding: 12px 20px;
+ color: #333;
+ font-size: 14px;
+ transition: all 0.2s;
+ gap: 8px;
+}
+
+.nav-link:hover {
+ background: #f8f9fa;
+ color: #ff4757;
+}
+
+.nav-link.active {
+ background: linear-gradient(135deg, #ff4757, #ff6b7a);
+ color: white;
+ font-weight: 500;
+}
+
+.nav-link.active .lucide {
+ color: white;
+}
+
+.nav-submenu {
+ padding-left: 20px;
+ background: #fafafa;
+}
+
+.nav-submenu .nav-link {
+ padding: 8px 20px;
+ font-size: 13px;
+ color: #666;
+}
+
+.nav-submenu .nav-link:hover {
+ color: #ff4757;
+}
+
+/* Main Content */
+.main-content {
+ margin-left: 200px;
+ padding-top: 60px;
+ flex: 1;
+ min-height: 100vh;
+}
+
+.content-wrapper {
+ padding: 20px;
+ max-width: 1200px;
+ margin: 0 auto;
+}
+
+/* Upload Area */
+.upload-tabs {
+ display: flex;
+ gap: 20px;
+ margin-bottom: 30px;
+ border-bottom: 1px solid #e8eaed;
+}
+
+.upload-tab {
+ padding: 12px 0;
+ font-size: 16px;
+ color: #666;
+ cursor: pointer;
+ border-bottom: 2px solid transparent;
+ transition: all 0.2s;
+}
+
+.upload-tab.active {
+ color: #ff4757;
+ border-bottom-color: #ff4757;
+ font-weight: 500;
+}
+
+.upload-area {
+ background: #fff;
+ border-radius: 8px;
+ padding: 80px 40px;
+ text-align: center;
+ border: 2px dashed #ddd;
+ margin-bottom: 40px;
+ transition: all 0.2s;
+ min-height: 300px;
+ display: flex;
+ flex-direction: column;
+ justify-content: center;
+ align-items: center;
+ position: relative;
+}
+
+.upload-area:hover {
+ border-color: #ff4757;
+ background: #fff8f8;
+}
+
+.upload-area.drag-over {
+ border-color: #ff4757;
+ background: #fff0f0;
+ transform: scale(1.02);
+}
+
+.upload-icon {
+ width: 100px;
+ height: 100px;
+ margin: 0 auto 30px;
+ background: #f8f9fa;
+ border-radius: 50%;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ font-size: 40px;
+ color: #ccc;
+ transition: all 0.3s ease;
+}
+
+.upload-area:hover .upload-icon {
+ background: #ff475710;
+ color: #ff4757;
+ transform: scale(1.1);
+}
+
+.upload-area.drag-over .upload-icon {
+ background: #ff475720;
+ color: #ff4757;
+ transform: scale(1.2);
+}
+
+.upload-title {
+ font-size: 20px;
+ color: #333;
+ margin-bottom: 12px;
+ font-weight: 500;
+}
+
+.upload-subtitle {
+ font-size: 14px;
+ color: #999;
+ margin-bottom: 30px;
+}
+
+.upload-btn {
+ background: #ff4757;
+ color: white;
+ padding: 14px 28px;
+ border-radius: 6px;
+ font-size: 16px;
+ font-weight: 500;
+ transition: background 0.2s;
+ min-width: 120px;
+}
+
+.upload-btn:hover:not(:disabled) {
+ background: #ff3742;
+}
+
+.upload-btn:disabled {
+ background: #ccc;
+ cursor: not-allowed;
+}
+
+.upload-btn.uploading {
+ background: #ff4757;
+ opacity: 0.8;
+}
+
+/* File Preview */
+.file-preview-area {
+ background: #fff;
+ border-radius: 8px;
+ padding: 20px;
+ margin-bottom: 40px;
+ border: 1px solid #e8eaed;
+}
+
+/* Preview Header */
+.preview-header {
+ display: flex;
+ justify-content: space-between;
+ align-items: center;
+ margin-bottom: 16px;
+}
+
+.preview-title {
+ font-size: 16px;
+ color: #333;
+ margin-bottom: 16px;
+ font-weight: 500;
+}
+
+.clear-files-btn {
+ background: #ff4757;
+ color: white;
+ padding: 6px 12px;
+ border-radius: 4px;
+ font-size: 12px;
+ transition: background 0.2s;
+}
+
+.clear-files-btn:hover {
+ background: #ff3742;
+}
+
+.file-grid {
+ display: grid;
+ grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
+ gap: 16px;
+}
+
+.file-item {
+ display: flex;
+ flex-direction: column;
+ align-items: center;
+ padding: 12px;
+ border: 1px solid #f0f0f0;
+ border-radius: 6px;
+ transition: all 0.2s ease;
+ position: relative;
+}
+
+.file-item:hover {
+ border-color: #ff4757;
+ box-shadow: 0 2px 8px rgba(255, 71, 87, 0.1);
+}
+
+.file-item:hover .remove-file-btn {
+ opacity: 1;
+}
+
+.remove-file-btn {
+ position: absolute;
+ top: 4px;
+ right: 4px;
+ background: rgba(255, 71, 87, 0.8);
+ color: white;
+ border-radius: 50%;
+ width: 20px;
+ height: 20px;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ font-size: 14px;
+ font-weight: bold;
+ opacity: 0;
+ transition: all 0.2s;
+}
+
+.file-thumbnail {
+ width: 80px;
+ height: 80px;
+ border-radius: 6px;
+ overflow: hidden;
+ margin-bottom: 8px;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ background: #f8f9fa;
+}
+
+.file-thumbnail img {
+ width: 100%;
+ height: 100%;
+ object-fit: cover;
+}
+
+.video-thumbnail {
+ color: #666;
+}
+
+.file-info {
+ text-align: center;
+ width: 100%;
+}
+
+.file-name {
+ font-size: 12px;
+ color: #333;
+ margin-bottom: 4px;
+ font-weight: 500;
+}
+
+.file-size {
+ font-size: 11px;
+ color: #999;
+}
+
+/* Upload Progress */
+.progress-container {
+ margin-top: 20px;
+ width: 100%;
+ max-width: 400px;
+}
+
+.progress-bar {
+ width: 100%;
+ height: 8px;
+ background-color: #f0f0f0;
+ border-radius: 4px;
+ overflow: hidden;
+ margin-bottom: 8px;
+}
+
+.progress-fill {
+ height: 100%;
+ background: linear-gradient(90deg, #ff4757, #ff6b7a);
+ border-radius: 4px;
+ transition: width 0.3s ease;
+ position: relative;
+}
+
+.progress-fill::after {
+ content: '';
+ position: absolute;
+ top: 0;
+ left: 0;
+ right: 0;
+ bottom: 0;
+ background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
+ animation: shimmer 1.5s infinite;
+}
+
+@keyframes shimmer {
+ 0% { transform: translateX(-100%); }
+ 100% { transform: translateX(100%); }
+}
+
+.progress-text {
+ text-align: center;
+ font-size: 12px;
+ color: #666;
+ font-weight: 500;
+}
+
+/* Upload Info */
+.upload-info {
+ display: flex;
+ gap: 60px;
+ justify-content: center;
+ margin-top: 40px;
+ padding: 20px;
+ opacity: 1;
+ transition: opacity 0.3s ease;
+}
+
+.upload-info.fade-in {
+ animation: fadeIn 0.3s ease-in-out;
+}
+
+@keyframes fadeIn {
+ from {
+ opacity: 0;
+ transform: translateY(10px);
+ }
+ to {
+ opacity: 1;
+ transform: translateY(0);
+ }
+}
+
+.info-item {
+ text-align: center;
+ flex: 1;
+ max-width: 300px;
+}
+
+.info-title {
+ font-size: 16px;
+ color: #333;
+ margin-bottom: 12px;
+ font-weight: 500;
+}
+
+.info-desc {
+ font-size: 13px;
+ color: #666;
+ line-height: 1.6;
+}
+
+/* Page Content Styles */
+.page-content {
+ padding: 40px;
+ background: white;
+ border-radius: 12px;
+ box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+ margin: 20px 0;
+ min-height: 500px;
+}
+
+.page-header {
+ margin-bottom: 40px;
+ padding-bottom: 20px;
+ border-bottom: 1px solid #e8eaed;
+}
+
+.page-title {
+ font-size: 24px;
+ font-weight: 600;
+ color: #333;
+ margin: 0;
+}
+
+.page-body {
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ min-height: 400px;
+}
+
+.placeholder-content {
+ text-align: center;
+ max-width: 400px;
+}
+
+.placeholder-icon {
+ color: #ff4757;
+ margin-bottom: 20px;
+ display: flex;
+ justify-content: center;
+}
+
+.placeholder-title {
+ font-size: 20px;
+ font-weight: 500;
+ color: #333;
+ margin: 0 0 15px 0;
+}
+
+.placeholder-desc {
+ font-size: 14px;
+ color: #666;
+ line-height: 1.6;
+ margin: 0;
+}
+
+/* Responsive */
+@media (max-width: 768px) {
+ .sidebar {
+ transform: translateX(-100%);
+ transition: transform 0.3s;
+ }
+
+ .main-content {
+ margin-left: 0;
+ }
+
+ .header-title {
+ display: none;
+ }
+
+ .upload-area {
+ padding: 60px 20px;
+ margin: 0 10px 30px;
+ }
+
+ .upload-info {
+ flex-direction: column;
+ gap: 30px;
+ padding: 10px;
+ }
+
+ .content-wrapper {
+ padding: 15px;
+ }
+
+ .upload-tabs {
+ gap: 15px;
+ }
+
+ .page-content {
+ padding: 20px;
+ margin: 10px;
+ }
+
+ .page-title {
+ font-size: 20px;
+ }
+
+ .placeholder-title {
+ font-size: 18px;
+ }
+
+ .placeholder-desc {
+ font-size: 13px;
+ }
+}