diff --git a/static/css/style.css b/static/css/style.css
index 8aab9c00..cbb75fbd 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -8,6 +8,314 @@
 @import 'components/card.css';
 @import 'components/modal.css';
 @import 'components/toast.css';
+@import 'components/loading.css';
+
+/* 强制显示滚动条，防止页面跳动 */
+html {
+    overflow-y: scroll;
+}
+
+/* 针对Firefox */
+* {
+    scrollbar-width: thin;
+    scrollbar-color: var(--border-color) transparent;
+}
+
+/* 针对Webkit browsers (Chrome, Safari等) */
+::-webkit-scrollbar {
+    width: 8px;
+}
+
+::-webkit-scrollbar-track {
+    background: transparent;
+}
+
+::-webkit-scrollbar-thumb {
+    background-color: var(--border-color);
+    border-radius: 4px;
+}
+
+:root {
+    --bg-color: #ffffff;
+    --text-color: #333333;
+    --card-bg: #ffffff;
+    --border-color: #e0e0e0;
+
+    /* Color System */
+    --lora-accent: oklch(68% 0.28 256);
+    --lora-surface: oklch(100% 0 0 / 0.95);
+    --lora-border: oklch(90% 0.02 256 / 0.15);
+    --lora-text: oklch(95% 0.02 256);
+    --lora-error: oklch(75% 0.32 29);
+    
+    /* Spacing Scale */
+    --space-1: calc(8px * 1);
+    --space-2: calc(8px * 2);
+    --space-3: calc(8px * 3);
+    
+    /* Z-index Scale */
+    --z-base: 10;
+    --z-modal: 1000;     /* 更新modal的z-index */
+    --z-overlay: 2000;   /* 更新overlay的z-index,确保比modal高 */
+
+    /* Border Radius */
+    --border-radius-base: 12px;
+    --border-radius-sm: 8px;
+    --border-radius-xs: 4px;
+}
+
+[data-theme="dark"] {
+    --bg-color: #1a1a1a;
+    --text-color: #e0e0e0;
+    --card-bg: #2d2d2d;
+    --border-color: #404040;
+
+    --lora-accent: oklch(68% 0.28 256);
+    --lora-surface: oklch(25% 0.02 256 / 0.85);
+    --lora-border: oklch(90% 0.02 256 / 0.15);
+    --lora-text: oklch(98% 0.02 256);
+}
+
+body {
+    margin: 0;
+    font-family: 'Segoe UI', sans-serif;
+    background: var(--bg-color);
+    color: var(--text-color);
+}
+
+.container {
+    max-width: 1400px;
+    margin: 20px auto;
+    padding: 0 15px;
+}
+
+/* 文件夹标签样式 */
+.folder-tags {
+    display: flex;
+    gap: 4px;
+    overflow-x: auto;
+    padding: 2px 0;
+    flex-wrap: wrap;
+}
+
+.tag {
+    cursor: pointer;
+    padding: 2px 8px;
+    margin: 2px;
+    border: 1px solid #ccc;
+    border-radius: var(--border-radius-xs);
+    display: inline-block;
+    line-height: 1.2;
+    font-size: 14px;
+}
+
+.tag.active {
+    background-color: #007bff;
+    color: white;
+}
+
+.model-name {
+    font-weight: bold;
+    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
+    font-size: 0.95em;
+    word-break: break-word;  /* Allow long words to break */
+    display: block;  /* Ensure the text wraps */
+    max-height: 2.8em;  /* Limit to roughly 2 lines */
+    overflow: hidden;
+}
+
+/* 新增元数据相关样式 */
+.model-info {
+    flex: 1;
+    min-width: 0;  /* Allow flex item to shrink below content size */
+    overflow: hidden;  /* Prevent content from spilling out */
+    padding-bottom: 4px; /* 为了与底部对齐的图标留出一些空间 */
+}
+
+.base-model {
+    display: inline-block;
+    background: #f0f0f0;
+    padding: 2px 6px;
+    border-radius: var(--border-radius-xs);
+    margin-right: 6px;
+}
+
+.file-size,
+.modified {
+    display: block;
+    margin-top: 2px;
+}
+
+.tooltip {
+    position: relative;
+    cursor: help;
+}
+
+.tooltip::after {
+    content: attr(data-tooltip);
+    position: absolute;
+    bottom: 120%;
+    left: 50%;
+    transform: translateX(-50%);
+    background: rgba(0, 0, 0, 0.8);
+    color: white;
+    padding: 4px 8px;
+    border-radius: 4px;
+    font-size: 0.8em;
+    white-space: nowrap;
+    opacity: 0;
+    transition: opacity 0.2s;
+    pointer-events: none;
+}
+
+.tooltip:hover::after {
+    opacity: 1;
+}
+
+.theme-toggle img {
+    width: 20px;
+    height: 20px;
+}
+
+.theme-toggle .theme-icon {
+    width: 20px;
+    height: 20px;
+    position: absolute;
+    transition: opacity 0.2s ease;
+}
+
+.theme-toggle .light-icon {
+    opacity: 0;
+}
+
+.theme-toggle .dark-icon {
+    opacity: 1;
+}
+
+[data-theme="light"] .theme-toggle .light-icon {
+    opacity: 1;
+}
+
+[data-theme="light"] .theme-toggle .dark-icon {
+    opacity: 0;
+}
+
+.base-model-label {
+    max-width: 120px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    display: inline-block;
+    color: white;
+    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
+    background: rgba(255, 255, 255, 0.2);
+    padding: 2px var(--space-1);
+    border-radius: var(--border-radius-xs);
+    backdrop-filter: blur(2px);
+    font-size: 0.85em;
+}
+
+.loading-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: oklch(0% 0 0 / 0.7);
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    z-index: var(--z-overlay);
+}
+
+.loading-content {
+    background: var(--lora-surface);
+    backdrop-filter: blur(24px);
+    padding: var(--space-3);
+    border-radius: var(--border-radius-base);
+    text-align: center;
+    border: 1px solid var(--lora-border);
+    width: min(400px, 90vw); /* 固定最大宽度，但保持响应式 */
+}
+
+.loading-spinner {
+    border: 4px solid #f3f3f3;
+    border-top: 4px solid #3498db;
+    border-radius: 50%;
+    width: 40px;
+    height: 40px;
+    animation: spin 1s linear infinite;
+    margin: 0 auto 1rem;
+}
+
+.loading-status {
+    margin-bottom: 1rem;
+    color: var(--text-color); /* 使用主题文本颜色 */
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    max-width: 100%;
+    padding: 0 var(--space-2);
+}
+
+.progress-container {
+    width: 280px; /* 固定进度条宽度 */
+    background-color: var(--lora-border); /* 使用主题边框颜色 */
+    border-radius: 4px;
+    overflow: hidden;
+    margin: 0 auto; /* 居中显示 */
+}
+
+.progress-bar {
+    width: 0%;
+    height: var(--space-2);
+    background-color: var(--lora-accent);
+    transition: width 200ms ease-out;
+}
+
+@keyframes spin {
+    0% { transform: rotate(0deg); }
+    100% { transform: rotate(360deg); }
+}
+
+@media (prefers-reduced-motion: reduce) {
+    .lora-card,
+    .progress-bar {
+        transition: none;
+    }
+}
+
+.copy-btn {
+    background: transparent;
+    border: none;
+    cursor: pointer;
+    padding: var(--space-1);
+    margin-left: var(--space-1);
+    color: var(--lora-accent);
+    opacity: 0.8;
+    transition: opacity 0.2s;
+}
+
+.copy-btn:hover {
+    opacity: 1;
+}
+
+.close {
+    position: absolute;
+    top: var(--space-2);
+    right: var(--space-2);
+    background: transparent;
+    border: none;
+    color: var(--text-color);
+    font-size: 1.5em;
+    cursor: pointer;
+    opacity: 0.7;
+    transition: opacity 0.2s;
+}
+
+.close:hover {
+    opacity: 1;
+}
 
 .initialization-notice {
     display: flex;
@@ -22,6 +330,646 @@
     text-align: center;
 }
 
+/* 使用已有的loading-spinner样式 */
 .initialization-notice .loading-spinner {
     margin-bottom: var(--space-2);
+}
+
+/* Search Container Styles */
+.controls {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+    margin-bottom: var(--space-2);
+}
+
+.actions {
+    display: flex;
+    align-items: center;
+    gap: var(--space-2);
+    flex-wrap: nowrap; /* 防止内容换行 */
+    width: 100%; /* 确保占满容器宽度 */
+}
+
+.search-container {
+    position: relative;
+    width: 250px;
+    margin-left: auto;
+    flex-shrink: 0; /* 防止搜索框被压缩 */
+    display: flex;
+    align-items: center;
+    gap: 4px;
+}
+
+/* 调整搜索框样式以匹配其他控件 */
+.search-container input {
+    width: 100%;
+    padding: 6px 40px 6px 12px; /* 减小右侧padding */
+    border: 1px solid oklch(65% 0.02 256); /* 更深的边框颜色，提高对比度 */
+    border-radius: var(--border-radius-sm);
+    background: var(--lora-surface);
+    color: var(--text-color);
+    font-size: 0.9em;
+    height: 32px;
+    box-sizing: border-box; /* 确保padding不会增加总宽度 */
+}
+
+.search-container input:focus {
+    outline: none;
+    border-color: var(--lora-accent);
+}
+
+.search-icon {
+    position: absolute;
+    right: 40px; /* 调整到toggle按钮左侧 */
+    top: 50%;
+    transform: translateY(-50%);
+    color: oklch(var(--text-color) / 0.5);
+    pointer-events: none;
+    line-height: 1; /* 防止图标影响容器高度 */
+}
+
+/* 修改清空按钮样式 */
+.search-clear {
+    position: absolute;
+    right: 65px; /* 放到search-icon左侧 */
+    top: 50%;
+    transform: translateY(-50%);
+    color: oklch(var(--text-color) / 0.5);
+    cursor: pointer;
+    border: none;
+    background: none;
+    padding: 4px 8px; /* 增加点击区域 */
+    display: none; /* 默认隐藏 */
+    line-height: 1;
+    transition: color 0.2s ease;
+}
+
+.search-clear:hover {
+    color: var(--lora-accent);
+}
+
+.search-clear.visible {
+    display: block;
+}
+
+.search-mode-toggle {
+    background: var(--lora-surface);
+    border: 1px solid oklch(65% 0.02 256);
+    border-radius: var(--border-radius-sm);
+    color: var(--text-color);
+    width: 32px;
+    height: 32px;
+    padding: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    flex-shrink: 0;
+}
+
+.search-mode-toggle:hover {
+    background: var(--lora-accent);
+    color: white;
+}
+
+.search-mode-toggle.active {
+    background: var(--lora-accent);
+    color: white;
+}
+
+.search-mode-toggle i {
+    font-size: 0.9em;
+}
+
+.corner-controls {
+    position: fixed;
+    top: 20px;
+    right: 20px;
+    display: flex;
+    gap: 10px;
+    z-index: var(--z-overlay);
+}
+
+.theme-toggle {
+    width: 36px;
+    height: 36px;
+    border-radius: 50%;
+    background: var(--card-bg);
+    border: 1px solid var(--border-color);
+    color: var(--text-color);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    transition: all 0.2s ease;
+}
+
+.theme-toggle:hover {
+    background: var(--lora-accent);
+    color: white;
+    transform: translateY(-2px);
+}
+
+@media (max-width: 768px) {
+    .actions {
+        flex-wrap: wrap;
+        gap: var(--space-1);
+    }
+    
+    .search-container {
+        width: 100%;
+        order: -1; /* 在移动端将搜索框移到顶部 */
+        margin-left: 0;
+    }
+    
+    /* Remove the previous corner-controls mobile styles */
+    .corner-controls {
+        /* Keep the fixed positioning even on mobile */
+        position: fixed;
+        top: 20px;
+        right: 20px;
+    }
+}
+
+/* Folder Tags Container */
+.folder-tags-container {
+    position: relative;
+    width: 100%;
+}
+
+.folder-tags {
+    transition: max-height 0.3s ease, opacity 0.2s ease;
+    max-height: 200px;
+    opacity: 1;
+    overflow: hidden;
+}
+
+.folder-tags.collapsed {
+    max-height: 0;
+    opacity: 0;
+    margin: 0;
+    padding-bottom: 0;
+}
+
+/* Toggle Folders Button */
+.toggle-folders-btn {
+    position: absolute;
+    bottom: 0;      /* 固定在容器底部 */
+    right: 0;       /* 固定在容器右侧 */
+    width: 36px;
+    height: 36px;
+    border-radius: 50%;
+    background: var(--card-bg);
+    border: 1px solid var(--border-color);
+    color: var(--text-color);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    transition: all 0.3s ease;
+    z-index: 2;
+}
+
+.toggle-folders-btn:hover {
+    background: var(--lora-accent);
+    color: white;
+    transform: translateY(-2px);
+}
+
+.toggle-folders-btn i {
+    transition: transform 0.3s ease;
+}
+
+/* 折叠状态样式 */
+.folder-tags.collapsed + .toggle-folders-btn {
+    position: static;
+    margin-right: auto; /* 确保按钮在左侧 */
+    transform: translateY(0);
+}
+
+.folder-tags.collapsed + .toggle-folders-btn i {
+    transform: rotate(180deg);
+}
+
+/* Update corner controls */
+.corner-controls {
+    position: fixed;
+    top: 20px;
+    right: 20px;
+    display: flex;
+    gap: 10px;
+    z-index: var(--z-overlay);
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+    .folder-tags-container {
+        order: -1;
+    }
+    
+    .toggle-folders-btn {
+        position: absolute;
+        bottom: 0;
+        right: 0;
+        transform: none; /* 移除transform，防止hover时的位移 */
+    }
+    
+    .toggle-folders-btn:hover {
+        transform: none; /* 移动端下禁用hover效果 */
+    }
+    
+    .folder-tags.collapsed + .toggle-folders-btn {
+        position: relative;
+        transform: none;
+    }
+}
+
+/* Back to Top Button */
+.back-to-top {
+    position: fixed;
+    bottom: 20px;
+    right: 20px;
+    width: 36px;
+    height: 36px;
+    border-radius: 50%;
+    background: var(--card-bg);
+    border: 1px solid var(--border-color);
+    color: var (--text-color);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    opacity: 0;
+    visibility: hidden;
+    transform: translateY(10px);
+    transition: all 0.3s ease;
+    z-index: var(--z-overlay);
+}
+
+.back-to-top.visible {
+    opacity: 1;
+    visibility: visible;
+    transform: translateY(0);
+}
+
+.back-to-top:hover {
+    background: var (--lora-accent);
+    color: white;
+    transform: translateY(-2px);
+}
+
+/* Ensure the button doesn't overlap with other corner controls on mobile */
+@media (max-width: 768px) {
+    .back-to-top {
+        bottom: 60px; /* Give some extra space from bottom on mobile */
+    }
+}
+
+/* Download Modal Styles */
+.download-step {
+    margin: var(--space-2) 0;
+}
+
+.input-group {
+    margin-bottom: var(--space-2);
+}
+
+.input-group label {
+    display: block;
+    margin-bottom: 8px;
+    color: var(--text-color);
+}
+
+.input-group input,
+.input-group select {
+    width: 100%;
+    padding: 8px;
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-xs);
+    background: var(--bg-color);
+    color: var(--text-color);
+}
+
+.error-message {
+    color: var(--lora-error);
+    font-size: 0.9em;
+    margin-top: 4px;
+}
+
+.version-list {
+    max-height: 400px;
+    overflow-y: auto;
+    margin: var(--space-2) 0;
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+    padding: 1px;  /* Add padding to prevent border clipping */
+}
+
+.version-item {
+    display: flex;
+    gap: var(--space-2);
+    padding: var(--space-2);
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-sm);
+    cursor: pointer;
+    transition: all 0.2s ease;
+    background: var(--bg-color);  /* Add background color */
+    margin: 1px;  /* Add margin to ensure hover effect visibility */
+    position: relative;  /* Add position context */
+}
+
+.version-item:hover {
+    border-color: var(--lora-accent);
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);  /* Replace transform with shadow */
+    z-index: 1;  /* Ensure hover state appears above other items */
+}
+
+.version-item.selected {
+    border-color: var(--lora-accent);
+    background: oklch(var(--lora-accent) / 0.1);
+}
+
+.version-thumbnail {
+    width: 80px;
+    height: 80px;
+    flex-shrink: 0;
+    border-radius: var(--border-radius-xs);
+    overflow: hidden;
+    background: var(--bg-color);
+}
+
+.version-thumbnail img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+
+.version-content {
+    flex: 1;
+    min-width: 0;
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+}
+
+.version-content h3 {
+    margin: 0;
+    font-size: 1.1em;
+    color: var(--text-color);
+}
+
+.version-info {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 8px;
+    align-items: center;
+    font-size: 0.9em;
+    color: var(--text-color);
+    opacity: 0.8;
+}
+
+.version-info .base-model {
+    background: oklch(var(--lora-accent) / 0.1);
+    color: var(--lora-accent);
+    padding: 2px 8px;
+    border-radius: var(--border-radius-xs);
+}
+
+.version-meta {
+    display: flex;
+    gap: 12px;
+    font-size: 0.85em;
+    color: var(--text-color);
+    opacity: 0.7;
+}
+
+.version-meta span {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+}
+
+.folder-browser {
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-xs);
+    padding: var(--space-1);
+    max-height: 200px;
+    overflow-y: auto;
+}
+
+/* Settings styles */
+.settings-toggle {
+    width: 36px;
+    height: 36px;
+    border-radius: 50%;
+    background: var(--card-bg);
+    border: 1px solid var(--border-color);
+    color: var(--text-color);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    transition: all 0.2s ease;
+}
+
+.settings-toggle:hover {
+    background: var(--lora-accent);
+    color: white;
+    transform: translateY(-2px);
+}
+
+.settings-modal {
+    max-width: 500px;
+}
+
+/* Settings Links */
+.settings-links {
+    margin-top: var(--space-3);
+    padding-top: var(--space-2);
+    border-top: 1px solid var(--lora-border);
+    display: flex;
+    gap: var(--space-2);
+    justify-content: center;
+}
+
+.settings-link {
+    width: 36px;
+    height: 36px;
+    border-radius: 50%;
+    background: var(--card-bg);
+    border: 1px solid var(--border-color);
+    color: var(--text-color);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    text-decoration: none;
+    position: relative;
+}
+
+.settings-link:hover {
+    background: var(--lora-accent);
+    color: white;
+    transform: translateY(-2px);
+}
+
+.settings-link i {
+    font-size: 1.1em;
+}
+
+/* Tooltip styles */
+.settings-link::after {
+    content: attr(title);
+    position: absolute;
+    bottom: calc(100% + 8px);
+    left: 50%;
+    transform: translateX(-50%);
+    background: rgba(0, 0, 0, 0.8);
+    color: white;
+    padding: 4px 8px;
+    border-radius: 4px;
+    font-size: 0.8em;
+    white-space: nowrap;
+    opacity: 0;
+    visibility: hidden;
+    transition: opacity 0.2s, visibility 0.2s;
+    pointer-events: none;
+}
+
+.settings-link:hover::after {
+    opacity: 1;
+    visibility: visible;
+}
+
+/* Responsive adjustment */
+@media (max-width: 480px) {
+    .settings-links {
+        flex-wrap: wrap;
+    }
+}
+
+.api-key-input {
+    position: relative;
+    display: flex;
+    align-items: center;
+}
+
+.api-key-input input {
+    padding-right: 40px;
+}
+
+.api-key-input .toggle-visibility {
+    position: absolute;
+    right: 8px;
+    background: none;
+    border: none;
+    color: var(--text-color);
+    opacity: 0.6;
+    cursor: pointer;
+    padding: 4px 8px;
+}
+
+.api-key-input .toggle-visibility:hover {
+    opacity: 1;
+}
+
+.input-help {
+    font-size: 0.85em;
+    color: var(--text-color);
+    opacity: 0.8;
+    margin-top: 4px;
+}
+
+.folder-item {
+    padding: 8px;
+    cursor: pointer;
+    border-radius: var(--border-radius-xs);
+    transition: background-color 0.2s;
+}
+
+.folder-item:hover {
+    background: var(--lora-surface);
+}
+
+.folder-item.selected {
+    background: oklch(var(--lora-accent) / 0.1);
+    border: 1px solid var(--lora-accent);
+}
+
+/* Path Preview Styles */
+.path-preview {
+    margin-bottom: var(--space-3);
+    padding: var(--space-2);
+    background: var(--bg-color);
+    border-radius: var(--border-radius-sm);
+    border: 1px dashed var(--border-color);
+}
+
+.path-preview label {
+    display: block;
+    margin-bottom: 8px;
+    color: var(--text-color);
+    font-size: 0.9em;
+    opacity: 0.8;
+}
+
+.path-display {
+    padding: var(--space-1);
+    color: var(--text-color);
+    font-family: monospace;
+    font-size: 0.9em;
+    line-height: 1.4;
+    white-space: pre-wrap;
+    word-break: break-all;
+    opacity: 0.85;
+    background: var(--lora-surface);
+    border-radius: var(--border-radius-xs);
+}
+
+.path-text {
+    color: var(--text-color);
+}
+
+.path-preview {
+    margin-top: var(--space-2);
+    padding: var(--space-2);
+    background: var(--lora-surface);
+    border: 1px solid var(--lora-border);
+    border-radius: var(--border-radius-sm);
+}
+
+.path-preview label {
+    display: block;
+    margin-bottom: 8px;
+    color: var(--text-color);
+    font-size: 0.9em;
+}
+
+.path-display {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    padding: var(--space-1);
+    background: var(--bg-color);
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-xs);
+    color: var(--text-color);
+    font-family: monospace;
+    font-size: 0.9em;
+    overflow-x: auto;
+    white-space: nowrap;
+}
+
+.path-display i {
+    color: var(--lora-accent);
+    opacity: 0.8;
+}
+
+.path-text {
+    color: var(--text-color);
+    opacity: 0.9;
 }
\ No newline at end of file