/* ===== 云大阁网站样式表 ===== */

/* 重置默认样式，消除浏览器默认margin和padding */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== Deep Research 控制面板样式 ===== */

/* 开关切换样式 */
.toggle-switch input:checked + .toggle-slider {
    background: #4CAF50 !important;
}

.toggle-switch input:checked + .toggle-slider span {
    transform: translateX(20px);
}

.toggle-slider span {
    transition: transform 0.3s ease;
}

/* 控制面板动画 */
.deep-research-controls {
    animation: slideInUp 0.4s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 思考过程显示样式 */
.thinking-process {
    background: rgba(255, 248, 220, 0.8);
    border-left: 4px solid #ffa500;
    padding: 12px 16px;
    margin: 8px 0;
    border-radius: 6px;
    font-style: italic;
    color: #8b4513;
    backdrop-filter: blur(5px);
}

.thinking-process .thinking-label {
    font-weight: bold;
    color: #ff8c00;
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.thinking-process .thinking-content {
    line-height: 1.4;
    font-size: 0.9rem;
}

/* ===== 侧边栏样式 - 复刻duijie.html ===== */

/* 左侧栏容器 */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    background: #f8f9fa;
    border-right: 1px solid #e0e0e0;
    transition: width 0.3s ease;
    overflow: hidden; /* 保持duijie.html原有设置 */
    z-index: 1000;
}

.sidebar.collapsed {
    width: 70px;
}

/* 主体内容区域 */
.main-content {
    margin-left: 260px;
    transition: margin-left 0.3s ease;
    flex: 1;
}

.sidebar.collapsed + .main-content {
    margin-left: 70px;
}


/* 侧边菜单内容 */
.sidebar-content {
    padding: 8px;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-top: 6px;
}

/* 底部菜单项容器 */
.sidebar-bottom-items {
    margin-top: auto;
    padding-top: 16px;
    padding-bottom: 20px;
}

.menu-item {
    padding: 10px 8px;
    margin-bottom: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
    overflow: hidden;
    display: flex;
    align-items: center;
}

/* 新对话图标与logo的间距 */
#newChatBtn {
    margin-top: 15px;
}

/* 新对话云朵图标样式 */
.cloud-icon-container {
    position: relative;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cloud-main {
    position: relative;
    width: 20px;
    height: 14px;
}

.cloud-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, #81d4fa 0%, #4fc3f7 100%);
}

.cloud-circle-1 {
    width: 6px;
    height: 6px;
    top: 4px;
    left: 2px;
}

.cloud-circle-2 {
    width: 8px;
    height: 8px;
    top: 2px;
    left: 6px;
}

.cloud-circle-3 {
    width: 7px;
    height: 7px;
    top: 3px;
    left: 11px;
}

.cloud-circle-4 {
    width: 5px;
    height: 5px;
    top: 5px;
    left: 15px;
}

.cloud-base {
    position: absolute;
    bottom: 2px;
    left: 1px;
    width: 18px;
    height: 6px;
    background: linear-gradient(135deg, #81d4fa 0%, #4fc3f7 100%);
    border-radius: 3px;
}

.cloud-plus {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #29b6f6 0%, #0288d1 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    font-weight: bold;
    color: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}


.menu-item:hover {
    background: #e6f0ff;
}

.menu-icon {
    display: flex;
    width: 30px;
    height: 30px;
    text-align: center;
    margin-right: 8px;
    font-size: 1.5em;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Logo图标特殊处理 - 保持相同的容器尺寸但图片更大 */
#logoMenuItem .menu-icon {
    width: 30px;
    height: 30px;
}

#logoMenuItem .menu-icon img {
    width: 40px !important;
    height: 40px !important;
}

/* Logo图标向上调整 */
#logoMenuItem {
    margin-top: -10px;
}

/* 菜单文字样式 - 与欢迎模块字体一致 */
.menu-text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-weight: normal;
    font-size: 0.875rem;
    color: #1f2937;
    line-height: 1.25rem;
}

/* 折叠时隐藏文字 */
.sidebar.collapsed .menu-text {
    display: none;
}

/* 历史对话区域样式 */
.chat-history-section {
    margin-top: 16px;
    flex: 1;
    overflow-y: auto;
}

.chat-history-title {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    color: #9ca3af;
    margin-bottom: 8px;
    padding: 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chat-history-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chat-history-item {
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    position: relative;
}

.chat-history-item:hover {
    background-color: #f3f4f6;
}

.chat-title {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-size: 0.875rem;
    font-weight: normal;
    color: #374151;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-time {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-size: 0.75rem;
    font-weight: normal;
    color: #9ca3af;
    line-height: 1;
}

/* 折叠时隐藏历史对话区域 */
.sidebar.collapsed .chat-history-section {
    display: none;
}

/* ===== 工具提示样式 - 参考yundage-keyong1 ===== */
.tooltip-wrapper {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 6px 10px;
    border-radius: 6px;
    white-space: nowrap;
    font-size: 13px;
    transition: opacity 0.3s;
    z-index: 99999; /* 最高层级 */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); /* 添加阴影确保可见性 */
    border: 1px solid rgba(255, 255, 255, 0.1); /* 添加边框 */
}

.tooltip-wrapper:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* 折叠状态下tooltip由JavaScript动态定位 */
.sidebar.collapsed .tooltip-wrapper .tooltip-text {
    position: fixed !important; /* 强制使用fixed定位，脱离父容器层级 */
    z-index: 99999 !important; /* 强制最高层级 */
}



/* 响应式处理 - 移动端 */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 260px;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar.collapsed + .main-content {
        margin-left: 0;
    }
}

/* 确保背景不会干扰侧边栏 */
.background-container {
    z-index: 1 !important;
}

.animated-gradient {
    z-index: 1 !important;
}

.backdrop-overlay {
    z-index: 2 !important;
}

/* ===== DeepSeek风格样式 ===== */

/* DeepSeek欢迎区域 */
.deepseek-welcome-section {
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* DeepSeek输入区域 */
.deepseek-input-section {
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

/* 保持原有的文字样式，只调整动画时间 */
.deepseek-welcome-section .cloud-logo {
    animation: logo-spin 20s linear infinite;
}

/* Apple风格的对话输入框样式 */
.deepseek-input-section .input-area {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(25px) saturate(1.2);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    z-index: 10; /* 确保输入区域在上层 */
}

.deepseek-input-section .input-area::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.deepseek-input-section .input-area:hover {
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.3);
}

.deepseek-input-section .input-area:focus-within {
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.05),
        0 0 0 3px rgba(255, 255, 255, 0.2);
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

/* 导航栏特色样式 - 基于/test/css/导航栏1.css的动画效果 */
.nav-link {
    position: relative;
    text-transform: uppercase;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.5px;
    color: #374151; /* text-gray-700 */
    text-decoration: none;
    padding: 8px 0;
    transition: color 0.2s ease-in-out;
}

.nav-link:hover {
    color: #2563eb; /* hover:text-blue-600 */
}

/* 导航链接下划线动画效果 */
.nav-link::before {
    content: '';
    display: block;
    height: 3px;
    background-color: #2563eb;
    position: absolute;
    top: -8px;
    width: 0%;
    transition: all ease-in-out 250ms;
}

.nav-link:hover::before {
    width: 100%;
}

/* ===== 侧边栏样式 ===== */

/* 侧边栏显示状态 */
.sidebar.show {
    transform: translateX(0);
}

/* 侧边栏默认展开状态（仅桌面端） */
@media (min-width: 769px) {
    .sidebar {
        transform: translateX(0);
    }
}

/* 侧边栏隐藏状态 */
.sidebar.hidden {
    transform: translateX(-100%);
}

/* 侧边栏遮罩层 */
.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* 侧边栏内容区域调整 */
.sidebar .p-4 {
    padding-top: 1rem;
}

/* 主内容区域在侧边栏打开时的偏移 */
.main-content.sidebar-open {
    margin-left: 256px;
}

/* 主内容区域在侧边栏完全隐藏时的偏移 */
.main-content.sidebar-collapsed {
    margin-left: 48px;
}

/* 确保主内容区域不被侧边栏遮挡 */
.main-content {
    position: relative;
    z-index: 10;
    margin-left: 0;
    transition: margin-left 0.3s ease;
}

/* 桌面端侧边栏展开时的默认状态 */
@media (min-width: 769px) {
    .main-content {
        margin-left: 256px;
    }
    
    /* 侧边栏隐藏时只显示图标栏 */
    .main-content.sidebar-closed {
        margin-left: 48px;
    }
    
    /* 侧边栏完全隐藏时 */
    .main-content.sidebar-fully-hidden {
        margin-left: 0;
    }
}

/* 折叠图标栏样式 */
#collapsedSidebar {
    transition: all 0.3s ease;
}

#collapsedSidebar.show {
    display: flex !important;
}

/* 侧边栏完全隐藏状态 */
.sidebar.fully-hidden {
    transform: translateX(-100%);
}

/* 桌面端折叠图标栏默认显示 */
@media (min-width: 769px) {
    #collapsedSidebar {
        display: flex !important;
    }
    
    /* 当主侧边栏显示时隐藏折叠栏 */
    #collapsedSidebar.hide {
        display: none !important;
    }
}

/* 聊天项样式 - ChatGPT风格 */
.chat-item {
    transition: all 0.15s ease;
    border-radius: 8px;
}

.chat-item:hover {
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.chat-item.active {
    background-color: #ffffff;
    border-left: 3px solid #2563eb;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 侧边栏滚动区域优化 */
.sidebar .overflow-y-auto {
    scrollbar-width: thin;
    scrollbar-color: #d1d5db #f9fafb;
}

.sidebar .overflow-y-auto::-webkit-scrollbar {
    width: 3px;
}

.sidebar .overflow-y-auto::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar .overflow-y-auto::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 2px;
}

.sidebar .overflow-y-auto::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

/* ===== 聊天区域样式 ===== */

/* 聊天消息样式 */
.chat-messages {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* 用户消息样式 - Gemini风格 */
.user-message {
    word-wrap: break-word;
    backdrop-filter: blur(10px);
    max-width: 80%;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 18px 18px 4px 18px;
    margin-left: auto;
}

/* AI消息样式 - Gemini风格 */
.ai-message {
    word-wrap: break-word;
    backdrop-filter: blur(10px);
    max-width: 80%;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 18px 18px 18px 4px;
    margin-right: auto;
}

/* 消息时间戳样式 */
.message-item .text-xs {
    font-size: 0.75rem;
    color: rgba(0, 0, 0, 0.5);
    margin-top: 0.25rem;
}

/* 用户消息时间戳右对齐 */
.message-item .text-right {
    text-align: right !important;
}

/* AI消息时间戳左对齐 */
.message-item .text-left {
    text-align: left !important;
}

/* 消息头像样式 */
.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

/* Apple风格的输入框样式 */
.input-wrapper:focus-within {
    border-color: rgba(255, 255, 255, 0.6) !important;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.05),
        0 0 0 3px rgba(255, 255, 255, 0.2) !important;
}

.chat-textarea::placeholder {
    color: rgba(0, 0, 0, 0.5);
}

.send-button:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.8) !important;
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.send-button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

/* Gemini风格按钮效果 */
.gemini-btn {
    position: relative;
    overflow: hidden;
}

.gemini-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.gemini-btn:hover::before {
    left: 100%;
}

/* 聊天区域整体样式 - 无滚动条全屏布局 */
.chat-section {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

/* 主内容区域无滚动布局 */
.main-content {
    height: 100vh;
    overflow: hidden;
    position: relative;
}

/* 响应式调整 - 新的布局适应 */
@media (max-height: 700px) {
    .ai-welcome-section {
        margin-bottom: 1rem;
    }
    
    .ai-welcome-section .mb-4 {
        margin-bottom: 0.75rem;
    }
    
    #chatMessages {
        max-height: 25vh !important;
        min-height: 150px !important;
    }
    
    .text-3d-container {
        margin: 20px 0 !important;
    }
}

@media (max-height: 600px) {
    .ai-welcome-section {
        margin-bottom: 0.5rem;
    }
    
    .ai-welcome-section h2 {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }
    
    #chatMessages {
        max-height: 20vh !important;
        min-height: 120px !important;
    }
    
    .input-area {
        margin-bottom: 0.5rem;
    }
    
    .text-3d-container {
        margin: 10px 0 !important;
    }
}

/* ===== 简化背景样式 - 调试版本 ===== */

/* Chroma Hero 主容器 - 简化版 */
.chroma-hero {
    display: flex;
    overflow: clip;
    position: relative;
    background: #f8f8f8; /* 静态背景 */
}

/* 移除所有背景动画和复杂效果 */

/* 聊天消息容器优化 - Gemini风格 */
.chat-messages {
    transition: all 0.3s ease;
    overflow: visible !important; /* 移除内部滚动条 */
}

/* ===== 聊天字体大小调整 ===== */
.user-message,
.ai-message {
    font-size: 18px !important;
    line-height: 1.6 !important;
}

#chatMessages .user-message p,
#chatMessages .ai-message p,
#chatMessages .user-message div,
#chatMessages .ai-message div {
    font-size: 18px !important;
}

.ai-message pre,
.user-message pre,
.ai-message code,
.user-message code {
    font-size: 15px !important;
}

.ai-message h1 { font-size: 26px !important; }
.ai-message h2 { font-size: 24px !important; }
.ai-message h3 { font-size: 22px !important; }
.ai-message h4 { font-size: 20px !important; }
.ai-message h5 { font-size: 18px !important; }
.ai-message h6 { font-size: 18px !important; }

.ai-message ul li,
.ai-message ol li,
.user-message ul li,
.user-message ol li {
    font-size: 18px !important;
    line-height: 1.6 !important;
}

/* 消息动画效果 */
.message-item {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 消息打字效果 */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #94a3b8;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }
.typing-dot:nth-child(3) { animation-delay: 0s; }

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* 深度检索按钮样式 - 优先级提升 */
.deep-search-btn {
    position: relative;
    transition: all 0.3s ease;
}

.deep-search-btn.active {
    background-color: #dbeafe !important;
    border-color: #3b82f6 !important;
    color: #1d4ed8 !important;
}

.deep-search-btn.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.2));
    border-radius: inherit;
    animation: pulse 2s infinite;
}

/* 确保新增的功能按钮不影响原有的深度检索按钮 */
.function-btn:not(.deep-search-btn) {
    /* 新增功能按钮的样式 */
}

.function-btn.deep-search-btn {
    /* 保持原有深度检索按钮样式 */
    background-color: transparent;
    border: 1px solid #e5e7eb;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

/* ===== 增强型对话框样式 - duihuakuang技术集成 ===== */

/* AI Logo动画 */
@keyframes logo-spin {
    0% {
        transform: rotate(0deg) scale(1);
    }
    100% {
        transform: rotate(360deg) scale(1);
    }
}

@keyframes gradient-shift {
    0% {
        transform: rotate(0deg) scale(1);
    }
    100% {
        transform: rotate(360deg) scale(1);
    }
}

.animate-logo-spin {
    animation: logo-spin 20s linear infinite;
    transform-origin: center;
}

.animate-gradient-shift {
    animation: gradient-shift 8s linear infinite;
    transform-origin: center;
}

/* 欢迎区域样式 */
.ai-welcome-section {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

/* 增强型输入区域 */
.enhanced-input-area {
    transition: all 0.3s ease;
}

.enhanced-input-area:hover {
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.15);
}

/* 功能按钮样式 */
.function-btn {
    transition: all 0.2s ease;
}

.function-btn.active {
    background-color: #dbeafe;
    border-color: #3b82f6;
    color: #1d4ed8;
}

.function-btn.active i,
.function-btn.active svg {
    color: #3b82f6;
}

/* 发送按钮状态 - 保持原有Gemini样式 */
.send-btn.active {
    background: linear-gradient(to right, #2563eb, #1d4ed8) !important;
    color: white !important;
    cursor: pointer !important;
}

.send-btn.active:hover {
    background: linear-gradient(to right, #1d4ed8, #1e40af) !important;
}

/* 确保原有的gemini-btn样式正常工作 */
.gemini-btn {
    position: relative;
    overflow: hidden;
}

.gemini-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.gemini-btn:hover::before {
    left: 100%;
}

/* 文件上传动画 */
.upload-btn {
    transition: all 0.2s ease;
}

.upload-loading .upload-icon {
    animation: uploadPulse 1.5s ease-in-out infinite;
}

@keyframes uploadPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1);
    }
}

/* 上传文件显示 */
.uploaded-files-container.show {
    display: block !important;
}

.uploaded-file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: #f9fafb;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
    font-size: 12px;
    color: #374151;
}

.uploaded-file-item .remove-file {
    color: #9ca3af;
    cursor: pointer;
    transition: color 0.2s;
}

.uploaded-file-item .remove-file:hover {
    color: #ef4444;
}



/* 动画淡入效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* 响应式调整 */
@media (max-width: 768px) {
    
    .function-controls {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    
    .function-controls > div {
        justify-content: center;
    }
    
    .enhanced-input-area {
        margin: 0 -1rem;
        border-radius: 16px;
    }
}

/* ===== 新闻跑马灯样式 ===== */

.ticker-container {
    white-space: nowrap;
    position: relative;
}

.ticker-content {
    display: inline-flex;
    animation: marquee 60s linear infinite;
    gap: 4rem;
}

.ticker-item {
    flex-shrink: 0;
    color: #1e40af;
    font-weight: 500;
    font-size: 12px;
    padding: 0 1.5rem;
}

.ticker-item.text-xs {
    font-size: 11px;
    padding: 0 1rem;
}

@keyframes marquee {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

/* 暂停跑马灯动画在hover时 */
.ticker-container:hover .ticker-content {
    animation-play-state: paused;
}

/* ===== 3D新闻跑马灯增强样式 ===== */

:root {
    --ticker-rotate-x: 0deg;
    --ticker-rotate-y: 0deg;
    --ticker-translate-z: 0px;
}

.ticker-3d-container {
    height: 120px; /* 精简高度，保持翻转效果 */
    perspective: 1500px;
    position: relative;
    overflow: hidden; /* 防止内容溢出 */
    background: transparent;
    margin: 4px 8px;
    z-index: 1; /* 设置较低的z-index */
    /* padding通过内联样式控制为30px 0 */
}

.ticker-parallax-scene {
    position: relative;
    width: 100%;
    height: 100%;
    transform: rotateX(var(--ticker-rotate-x)) rotateY(var(--ticker-rotate-y)) translateZ(var(--ticker-translate-z));
    transform-style: preserve-3d;
    transition: transform 0.1s cubic-bezier(0.1, 0.7, 0.1, 1);
    will-change: transform;
}

/* 3D新闻轮播容器 */
.ticker-carousel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;
    /* 确保翻转时不被裁剪 */
    overflow: visible;
}

/* 翻转卡片容器样式 */
.ticker-flip-card {
    position: relative;
    width: 240px; /* 增加宽度到240px */
    height: 100px; /* 保持高度100px */
    cursor: pointer;
    perspective: 1000px;
    transform-style: preserve-3d;
    /* 确保翻转时卡片不被裁剪 */
    overflow: visible;
    z-index: 5; /* 降低z-index */
}

/* 卡片内部容器 */
.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.3s ease-out;
    transform-style: preserve-3d;
}

/* 移除悬停翻转，改为鼠标跟随 */

/* 卡片正反面共同样式 */
.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background: transparent;
    border: none;
}

/* 卡片正面 */
.flip-card-front {
    /* 移除背景和边框，让图片直接显示 */
}

/* 卡片背面 */
.flip-card-back {
    color: #1e40af;
    transform: rotateY(180deg);
    /* 移除背景和边框，让图片直接显示 */
}

/* 新闻图片基础样式 - 具体尺寸由image-size-fix.css控制 */
.news-image {
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 背面内容样式 */
.back-content {
    text-align: center;
}

.back-content p {
    margin: 4px 0;
    font-size: 14px;
    font-weight: 600;
}

.back-content .back-desc {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.9;
}

/* 移除浮动动画，专注于翻转效果 */

/* 卡片悬停增强效果 */
.ticker-flip-card:hover {
    z-index: 10;
}

.ticker-flip-card:hover .flip-card-front {
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.2);
}

.ticker-flip-card:hover .flip-card-back {
    box-shadow: 0 8px 25px rgba(29, 78, 216, 0.4);
}


/* 脉冲光圈效果 */
.ticker-pulse-ring {
    position: absolute;
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 50%;
    animation: tickerPulse 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes tickerPulse {
    0% {
        transform: scale(0.3) translate(-50%, -50%);
        opacity: 1;
        border-width: 2px;
    }
    50% {
        transform: scale(1) translate(-50%, -50%);
        opacity: 0.5;
        border-width: 1px;
    }
    100% {
        transform: scale(1.5) translate(-50%, -50%);
        opacity: 0;
        border-width: 1px;
    }
}

/* 新闻轮播动画 */
.ticker-carousel.rotating .ticker-news-item {
    animation: newsRotate 15s linear infinite;
}

@keyframes newsRotate {
    0% {
        transform: translateX(100px) translateZ(var(--item-z, 0px));
    }
    100% {
        transform: translateX(-100px) translateZ(var(--item-z, 0px));
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .ticker-3d-container {
        height: 100px;
        margin: 4px 8px;
    }
    
    .ticker-carousel {
        gap: 30px;
    }
    
    .ticker-flip-card {
        width: 120px;
        height: 70px;
    }
    
    .card-icon {
        font-size: 20px;
    }
    
    .news-content {
        font-size: 11px;
    }
    
    .back-content p {
        font-size: 12px;
    }
    
    .back-content .back-desc {
        font-size: 10px;
    }
}

/* ===== 功能按钮样式 ===== */

.feature-btn {
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.feature-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.feature-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 移动端功能按钮适配 */
@media (max-width: 640px) {
    .feature-btn {
        width: calc(50% - 0.5rem);
        justify-content: center;
    }
}

/* ===== 用户头像按钮样式 ===== */
.user-avatar {
    cursor: pointer;
}

.user-avatar:hover {
    transform: scale(1.05);
}

/* 用户下拉菜单样式 */
.user-dropdown {
    animation: fadeIn 0.15s ease-out;
    min-width: 160px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 响应式设计 ===== */

/* 移动端样式调整 */
@media (max-width: 768px) {
    /* 移动端隐藏导航栏 */
    .nav-container {
        display: none;
    }
    
    /* 移动端侧边栏全屏，默认隐藏 */
    .sidebar {
        width: 100vw;
        transform: translateX(-100%);
    }
    
    /* 移动端侧边栏显示时 */
    .sidebar.show {
        transform: translateX(0);
        z-index: 45;
    }
    
    /* 移动端主内容不偏移 */
    .main-content.sidebar-open {
        margin-left: 0;
    }
    
    /* 移动端主内容默认无偏移 */
    .main-content {
        margin-left: 0 !important;
    }
    
    /* 移动端聊天消息适配 */
    .user-message,
    .ai-message {
        max-width: 85%;
    }
    
    /* 移动端输入区域调整 */
    .input-area .flex {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .input-area .flex > div:last-child {
        flex-direction: row;
        justify-content: space-between;
    }
    
    /* 移动端功能按钮调整 */
    .feature-btn {
        width: calc(50% - 0.5rem);
        text-align: center;
    }
    
    /* 移动端跑马灯速度调整 */
    .ticker-content {
        animation-duration: 40s;
    }
}

@media (max-width: 640px) {
    /* 小屏幕下的进一步调整 */
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* 聊天消息更紧凑 */
    .chat-messages {
        height: 300px;
        padding: 0.75rem;
    }
    
    .user-message,
    .ai-message {
        max-width: 90%;
        padding: 0.75rem;
        font-size: 14px;
    }
    
    /* 输入框调整 */
    .input-area textarea {
        rows: 2;
        min-height: 60px;
    }
    
    /* 侧边栏按钮调整 */
    #toggleSidebar {
        padding: 0.5rem;
    }
}

/* ===== 无滚动条全屏展示 ===== */
html, body {
    height: 100vh;
    overflow-x: hidden; /* 只禁止水平滚动 */
    overflow-y: auto; /* 允许垂直滚动，确保3D元素可见 */
    scroll-behavior: smooth;
}

/* ===== 文字轮播样式增强（参考ziti.html） ===== */

/* 3D容器样式 */
.text-3d-container {
    transition: transform 0.3s ease;
}

/* 静态文字样式 - Apple风格 */
.main-text-static {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-weight: 300;
    color: rgba(55, 65, 81, 0.9);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #374151, #6B7280);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

/* 轮播文字主体样式 - Apple风格 */
.rotating-word-3d {
    display: inline-block !important;
    position: relative !important;
    z-index: 30 !important;
    min-width: 80px !important;
    text-align: center !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    font-weight: 300;
    color: rgba(55, 65, 81, 0.9);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #374151, #6B7280);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    animation: none;
    transition: all 0.3s ease;
    overflow: visible !important;
    padding: 10px 0 !important;
    line-height: 1.5 !important;
    min-height: 1.5em !important;
}

/* 移除分隔线样式 */
.text-divider {
    display: none;
}

/* 移除倒影 */
.text-reflection {
    display: none;
}

/* 静态文字倒影 */
.reflection-static {
    color: transparent;
    background: linear-gradient(
        to bottom,
        rgba(44, 62, 80, 0.4) 0%,
        rgba(44, 62, 80, 0.25) 30%,
        rgba(44, 62, 80, 0.1) 60%,
        transparent 100%
    );
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 轮播文字倒影 */
.rotating-word-reflection {
    display: inline-block !important;
    min-width: 60px !important;
    text-align: center !important;
    font-weight: 900 !important;
    color: transparent;
    background: linear-gradient(
        to bottom,
        rgba(30, 64, 175, 0.4) 0%,
        rgba(30, 64, 175, 0.25) 30%,
        rgba(30, 64, 175, 0.1) 60%,
        transparent 100%
    );
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    overflow: visible !important;
}

/* 移除文字发光动画 */
@keyframes textGlow {
    /* 已移除 */
}

/* 鼠标悬停效果 */
.text-3d-container:hover .rotating-word-3d {
    transform: translateY(-2px);
    text-shadow: 
        3px 3px 8px rgba(0, 0, 0, 0.4),
        0 0 25px rgba(30, 64, 175, 0.6);
}

.text-3d-container:hover .rotating-word-reflection {
    opacity: 0.8;
    transform: translateY(2px);
}

/* 波纹效果关键帧 */
@keyframes ripple {
    to {
        transform: scale(2);
        opacity: 0;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .rotating-word-3d, .rotating-word-reflection {
        font-size: 0.9em;
    }
}

/* 兼容原有的ID选择器 */
#rotating-word {
    /* 保持兼容性，但样式由类选择器控制 */
}

/* 确保文字轮播容器不裁剪内容 */
.text-3d-container,
.welcome-message,
.deepseek-welcome-section {
    overflow: visible !important;
    width: 100% !important;
    max-width: none !important;
    height: auto !important;
    min-height: auto !important;
}

/* 确保欢迎文字的h2标签不裁剪内容 */
.text-3d-container h2 {
    overflow: visible !important;
    white-space: nowrap;
    width: auto !important;
    max-width: none !important;
    padding: 10px 0 0 0 !important;
    margin: 0 !important;
    display: inline-block !important;
    text-align: center !important;
    line-height: 1.3 !important;
    min-height: auto !important;
    height: auto !important;
}

/* 确保容器有足够空间 */
.container {
    overflow: visible !important;
}

/* 确保主要内容区域不裁剪 */
.main-content,
.chat-section {
    overflow: visible !important;
}

/* ===== 自定义滚动条样式 ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ===== 加载动画 ===== */
.loading-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #2563eb;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== 工具提示样式 - 参考xuanting.html ===== */
.tooltip-wrapper {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 6px 10px;
    border-radius: 6px;
    white-space: nowrap;
    font-size: 13px;
    transition: opacity 0.3s;
    z-index: 999;
}

.tooltip-wrapper:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* 折叠栏tooltip右侧显示 */
#collapsedSidebar .tooltip-wrapper .tooltip-text {
    bottom: 50%;
    left: 125%;
    transform: translateY(50%);
}

/* 折叠栏按钮悬停增强效果 */
#collapsedSidebar button:hover {
    background-color: rgba(229, 231, 235, 0.8);
    transform: scale(1.05);
}

#collapsedSidebar button img {
    transition: all 0.2s ease;
}

#collapsedSidebar button:hover img {
    transform: scale(1.1);
    filter: brightness(1.1);
}

/* 新建对话按钮特殊悬停效果 */
#newChatCollapsed:hover .cloud-plus-icon-small {
    transform: scale(1.1);
    transition: transform 0.2s ease;
}

#newChatCollapsed:hover .cloud-plus-icon-small svg {
    color: #3b82f6 !important;
}

#newChatCollapsed:hover .cloud-plus-icon-small .bg-blue-500 {
    background-color: #1d4ed8 !important;
}


/* ===== 页面过渡效果 ===== */
.page-transition {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-out;
}

.page-transition.loaded {
    opacity: 1;
    transform: translateY(0);
}


/* ===== 输入框样式 ===== */
.form-input {
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ===== 卡片阴影变化 ===== */
.card-shadow {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.card-shadow:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* ===== 文字选择样式 ===== */
::selection {
    background-color: #dbeafe;
    color: #1e40af;
}

/* ===== 聊天输入框自适应高度 ===== */
.auto-resize {
    transition: height 0.2s ease;
}

/* ===== 侧边栏滚动区域样式 ===== */
.sidebar .overflow-y-auto {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f8fafc;
}

.sidebar .overflow-y-auto::-webkit-scrollbar {
    width: 4px;
}

.sidebar .overflow-y-auto::-webkit-scrollbar-track {
    background: #f8fafc;
    border-radius: 2px;
}

.sidebar .overflow-y-auto::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 2px;
}

.sidebar .overflow-y-auto::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ===== 特殊状态样式 ===== */


/* ===== 键盘导航支持 ===== */
.keyboard-navigation *:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* ===== 打印样式 ===== */
@media print {
    .no-print,
    .sidebar,
    .sidebar-overlay,
    #toggleSidebar,
    .input-area,
    .ticker-section {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding-top: 0 !important;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .chat-messages {
        height: auto !important;
        overflow: visible !important;
        page-break-inside: avoid;
    }
}

/* ===== 无障碍访问增强 ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .ticker-content {
        animation: none;
        position: static;
    }
}

/* ===== Markdown内容样式 ===== */
.markdown-content {
    line-height: 1.6;
    word-break: break-word;
}

.markdown-content h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 1rem 0 0.75rem 0;
    color: #1a202c;
}

.markdown-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0.875rem 0 0.625rem 0;
    color: #2d3748;
}

.markdown-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0.75rem 0 0.5rem 0;
    color: #2d3748;
}

.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    font-weight: 600;
    margin: 0.5rem 0 0.375rem 0;
    color: #4a5568;
}

.markdown-content p {
    margin: 0.5rem 0;
}

.markdown-content code {
    background-color: rgba(229, 231, 235, 0.5);
    color: #e53e3e;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.markdown-content pre {
    background-color: #1e293b;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 0.75rem 0;
}

.markdown-content pre code {
    background-color: transparent;
    color: inherit;
    padding: 0;
}

.markdown-content blockquote {
    border-left: 4px solid #cbd5e0;
    padding-left: 1rem;
    margin: 0.75rem 0;
    color: #4a5568;
    font-style: italic;
}

.markdown-content ul,
.markdown-content ol {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.markdown-content ul li,
.markdown-content ol li {
    margin: 0.25rem 0;
}

.markdown-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 0.75rem 0;
    overflow-x: auto;
    display: block;
}

.markdown-content th,
.markdown-content td {
    border: 1px solid #e2e8f0;
    padding: 0.5rem 0.75rem;
    text-align: left;
}

.markdown-content th {
    background-color: #f7fafc;
    font-weight: 600;
}

.markdown-content tr:hover {
    background-color: #f9fafb;
}

.markdown-content a {
    color: #3182ce;
    text-decoration: underline;
}

.markdown-content a:hover {
    color: #2c5282;
}

.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 0.75rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.markdown-content hr {
    border: 0;
    height: 1px;
    background: #e2e8f0;
    margin: 1rem 0;
}

/* 代码块复制按钮 */
.code-block-wrapper {
    position: relative;
    margin: 0.75rem 0;
}

.code-header {
    background-color: #334155;
    color: #e2e8f0;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem 0.5rem 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.copy-code-btn {
    background-color: transparent;
    border: 1px solid #64748b;
    color: #cbd5e1;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.75rem;
}

.copy-code-btn:hover {
    background-color: #475569;
    color: #f1f5f9;
    border-color: #94a3b8;
}

.code-block-wrapper pre {
    margin: 0;
    border-radius: 0 0 0.5rem 0.5rem;
}


/* 内联代码样式优化 */
.inline-code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875em;
}

/* 列表样式优化 */
.markdown-content ul {
    list-style-type: disc;
}

.markdown-content ul ul {
    list-style-type: circle;
}

.markdown-content ul ul ul {
    list-style-type: square;
}

.markdown-content ol {
    list-style-type: decimal;
}

.markdown-content ol ol {
    list-style-type: lower-alpha;
}

.markdown-content ol ol ol {
    list-style-type: lower-roman;
}


/* 语法高亮主题 */
.markdown-content .language-javascript,
.markdown-content .language-js {
    color: #f7df1e;
}

.markdown-content .language-python,
.markdown-content .language-py {
    color: #3776ab;
}

.markdown-content .language-html {
    color: #e34c26;
}

.markdown-content .language-css {
    color: #1572b6;
}

/* 响应式Markdown内容 */
@media (max-width: 768px) {
    .markdown-content h1 {
        font-size: 1.5rem;
    }
    
    .markdown-content h2 {
        font-size: 1.25rem;
    }
    
    .markdown-content h3 {
        font-size: 1.125rem;
    }
    
    .markdown-content pre {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
    
    .code-header {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }
}