/* 基础样式 */
:root {
    --tce-primary: #ee4d50;
    --tce-primary-hover: #e03539;
    --tce-secondary: #fb9168;
    --tce-secondary-hover: #fa7c4d;
    --tce-text: #333;
    --tce-text-light: #666;
    --tce-bg: #fff;
    --tce-bg-light: #f9f9f9;
    --tce-success: #28a745;
    --tce-error: #dc3545;
    --tce-warning: #ffc107;
    --tce-info: #17a2b8;
    --tce-border-radius: 6px;
    --tce-box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --tce-transition: all 0.3s ease;
}

/* 全局盒模型修复 */
.tce-container *,
.tce-container *::before,
.tce-container *::after {
    box-sizing: border-box;
}

/* 防止WordPress主题样式冲突 */
.tce-container input,
.tce-container textarea,
.tce-container select,
.tce-container button {
    max-width: 100% !important;
    box-sizing: border-box !important;
}

.tce-container .wp-editor-container,
.tce-container .wp-editor-wrap,
.tce-container .mce-container,
.tce-container .mce-panel {
    max-width: 100% !important;
    box-sizing: border-box !important;
}

.tce-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 20px 2rem 20px;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--tce-text);
    width: 100%;
    box-sizing: border-box;
    overflow: visible;
}

/* 标签页样式 */
.tce-tabs {
    display: flex;
    border-bottom: 2px solid var(--tce-border);
    margin-bottom: 2rem;
    gap: 1px;
    background: var(--tce-border);
    border-radius: var(--tce-border-radius) var(--tce-border-radius) 0 0;
    overflow: hidden;
}

.tce-tab {
    padding: 12px 24px;
    background: #fff;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    color: var(--tce-text-light);
    transition: var(--tce-transition);
    margin: 0;
    position: relative;
}

.tce-tab:hover {
    color: var(--tce-primary);
    background-color: #f5f8ff;
}

.tce-tab.active {
    color: var(--tce-primary);
    border-bottom-color: var(--tce-primary);
    background: #fff;
    font-weight: 600;
}

/* 内容区域 */
.tce-tab-content {
    display: none;
    background: #fff;
    border-radius: 0 0 var(--tce-border-radius) var(--tce-border-radius);
    box-shadow: var(--tce-box-shadow);
    padding: 2rem;
    margin-top: -1px;
    margin-bottom: 1rem;
    overflow: visible;
}

.tce-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* 表单样式 */
.tce-form {
    max-width: 700px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.tce-form-group {
    margin-bottom: 1.5rem;
    width: 100%;
    box-sizing: border-box;
}

textarea#tce-email-message {
    min-height: 200px;
}

.tce-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--tce-text);
}

.tce-form input[type="email"],
.tce-form input[type="text"],
.tce-form input[type="date"],
.tce-form textarea,
.wp-editor-container {
    width: 100%;
    max-width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--tce-border);
    border-radius: var(--tce-border-radius);
    font-size: 15px;
    transition: var(--tce-transition);
    background: var(--tce-bg);
    box-sizing: border-box;
}

.tce-form input[type="email"]:focus,
.tce-form input[type="text"]:focus,
.tce-form input[type="date"]:focus,
.tce-form textarea:focus {
    border-color: var(--tce-primary);
    box-shadow: 0 0 0 2px rgba(238, 77, 80, 0.2);
    outline: none;
}

.tce-form-actions {
    margin-top: 2rem;
    text-align: right;
}

.tce-button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--tce-border-radius);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--tce-transition);
    background: var(--tce-primary);
    color: white;
}

.tce-button:hover {
    background: var(--tce-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 消息提示 */
.tce-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--tce-border-radius);
    display: none;
}

.tce-message.success {
    background-color: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid #4caf50;
    display: block;
}

.tce-message.error {
    background-color: #ffebee;
    color: #c62828;
    border-left: 4px solid #f44336;
    display: block;
}

/* 邮件列表 */
.tce-email-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tce-email-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid #e5e5e5;
    padding: 1.2rem 0;
    position: relative;
}

.tce-email-item:last-child {
    border-bottom: none;
}

/* 已发送邮件特殊样式 */
.tce-email-item.sent {
    background: transparent;
}

/* 待发送邮件特殊样式 */
.tce-email-item.pending {
    background: transparent;
}

.tce-email-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    gap: 1rem;
}

.tce-email-subject {
    font-size: 1.05rem;
    font-weight: 500;
    color: #333;
    margin: 0;
    line-height: 1.5;
    flex: 1;
}

.tce-email-date {
    font-size: 0.9rem;
    color: #999;
    white-space: nowrap;
    font-weight: 400;
}

.tce-email-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 0.6rem;
    font-size: 0.85rem;
    color: #999;
}

.tce-email-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.tce-email-content {
    color: #666;
    line-height: 1.6;
    margin-bottom: 0.8rem;
    max-height: 3.2em;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-size: 0.9rem;
}

.tce-email-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.tce-email-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 400;
}

.tce-email-status.sent {
    color: #52c41a;
}

.tce-email-status.pending {
    color: #faad14;
}

.tce-email-status .dashicons {
    font-size: 14px;
    width: 14px;
    height: 14px;
}

.tce-email-actions {
    display: flex;
    gap: 1rem;
}

.tce-email-actions a {
    color: #999;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 400;
    transition: color 0.2s ease;
}

.tce-email-actions a:hover {
    color: #333;
}

.tce-email-actions a.tce-delete-email:hover {
    color: #ff4d4f;
}

/* 空状态样式 */
.tce-no-emails {
    text-align: center;
    padding: 4rem 2rem;
    color: #999;
    font-size: 0.95rem;
}

/* 加载动画 */
.tce-loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: tce-spin 0.8s ease-in-out infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes tce-spin {
    to { transform: rotate(360deg); }
}

/* 优化的加载容器 */
.tce-loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--tce-border-radius);
    border: 1px solid #dee2e6;
    margin: 1rem 0;
    min-height: 200px;
}

.tce-loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--tce-primary);
    border-radius: 50%;
    animation: tce-spin-smooth 1s linear infinite;
    margin-bottom: 1rem;
}

.tce-loading-text {
    color: var(--tce-text-light);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.tce-loading-subtitle {
    color: var(--tce-text-light);
    font-size: 12px;
    opacity: 0.8;
}

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

/* 脉冲加载效果 */
.tce-loading-pulse {
    display: inline-block;
    width: 12px;
    height: 12px;
    background-color: var(--tce-primary);
    border-radius: 50%;
    animation: tce-pulse 1.5s ease-in-out infinite;
    margin-right: 8px;
}

@keyframes tce-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* 波浪加载效果 */
.tce-loading-wave {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-right: 8px;
}

.tce-loading-wave span {
    width: 4px;
    height: 16px;
    background-color: var(--tce-primary);
    border-radius: 2px;
    animation: tce-wave 1.2s ease-in-out infinite;
}

.tce-loading-wave span:nth-child(1) { animation-delay: 0s; }
.tce-loading-wave span:nth-child(2) { animation-delay: 0.1s; }
.tce-loading-wave span:nth-child(3) { animation-delay: 0.2s; }
.tce-loading-wave span:nth-child(4) { animation-delay: 0.3s; }

@keyframes tce-wave {
    0%, 40%, 100% {
        transform: scaleY(0.4);
        opacity: 0.5;
    }
    20% {
        transform: scaleY(1);
        opacity: 1;
    }
}

/* 按钮加载状态 */
.tce-button-loading {
    position: relative;
    pointer-events: none;
}

.tce-button-loading .tce-loading {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
}

.tce-button-loading .tce-loading-text {
    opacity: 0;
}

/* 骨架屏加载效果 */
.tce-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: tce-skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes tce-skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.tce-skeleton-item {
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: var(--tce-border-radius);
    background: #fff;
    border: 1px solid #e9ecef;
}

.tce-skeleton-header {
    height: 20px;
    width: 60%;
    margin-bottom: 0.5rem;
}

.tce-skeleton-meta {
    height: 14px;
    width: 40%;
    margin-bottom: 0.75rem;
}

.tce-skeleton-content {
    height: 16px;
    width: 100%;
    margin-bottom: 0.5rem;
}

.tce-skeleton-content:nth-child(3) {
    width: 80%;
}

.tce-skeleton-content:nth-child(4) {
    width: 60%;
}

/* Fade in/out animations */
.tce-fade-enter-active, .tce-fade-leave-active {
    transition: opacity 0.3s ease;
}
.tce-fade-enter, .tce-fade-leave-to {
    opacity: 0;
}

/* Button loading state */
button[disabled] .tce-loading {
    display: inline-block;
}

/* Editor container */
.tce-editor-container {
    position: relative;
    margin-bottom: 20px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* WordPress Editor Styles */
.tce-editor-container .wp-editor-wrap {
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    overflow: visible;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    background: #fff;
    display: flex;
    flex-direction: column;
}

.tce-editor-container .wp-editor-area {
    border: none;
    border-radius: 0;
    padding: 15px;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    flex: 1;
}

.tce-editor-container .wp-editor-tabs {
    background: #fafafa;
    border-bottom: 1px solid #e5e5e5;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: nowrap;
    overflow: visible;
    height: auto;
    min-height: 36px;
}

.tce-editor-container .wp-switch-editor {
    background: transparent;
    border: none;
    padding: 8px 16px;
    color: #999;
    font-size: 13px;
    cursor: pointer;
    transition: color 0.2s ease;
    flex-shrink: 0;
    display: inline-block;
    line-height: 1.5;
    height: auto;
    min-width: 70px;
    text-align: center;
    vertical-align: middle;
    float: none !important;
    position: relative;
}

.tce-editor-container .wp-switch-editor:hover {
    color: #333;
}

.tce-editor-container .wp-switch-editor.switch-tmce {
    border-right: 1px solid #e5e5e5;
}

.tce-editor-container .wp-switch-editor.switch-html {
    border-left: none;
}

.tce-editor-container .wp-switch-editor.switch-tmce.switch-tmce-active,
.tce-editor-container .wp-switch-editor.switch-html.switch-html-active {
    background: #fff;
    color: var(--tce-primary);
    font-weight: 500;
}

/* Media Button Styles */
.tce-editor-container .wp-media-buttons {
    padding: 12px 15px;
    background: #fafafa;
    border-bottom: 1px solid #e5e5e5;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
    box-sizing: border-box;
    clear: both;
    overflow: visible;
}

.tce-editor-container .wp-media-buttons .button {
    background: #fff;
    color: #333;
    border: 1px solid #e5e5e5;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-right: 0;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tce-editor-container .wp-media-buttons .button:hover {
    background: #f5f5f5;
    border-color: #d9d9d9;
    color: #000;
}

.tce-editor-container .wp-media-buttons .button:active {
    background: #e8e8e8;
}

/* 添加媒体按钮图标样式 */
.tce-editor-container .wp-media-buttons .button .dashicons,
.tce-editor-container .wp-media-buttons .button::before {
    font-size: 16px;
    width: 16px;
    height: 16px;
    line-height: 1;
}

/* TinyMCE Editor Styles */
.tce-editor-container .mce-toolbar {
    background: #fafafa;
    border-bottom: 1px solid #e5e5e5;
    width: 100%;
    box-sizing: border-box;
    padding: 6px 10px;
    overflow: visible;
}

.tce-editor-container .mce-toolbar-grp {
    width: 100%;
    box-sizing: border-box;
    background: #fafafa;
    overflow: visible;
}

/* 工具栏容器 - 允许换行 */
.tce-editor-container .mce-container-body.mce-flow-layout {
    overflow: visible !important;
    white-space: normal !important;
}

.tce-editor-container .mce-toolbar .mce-btn {
    background: transparent;
    border: none;
    color: #666;
    transition: all 0.2s ease;
    margin: 2px 1px;
    flex-shrink: 0;
}

.tce-editor-container .mce-toolbar .mce-btn:hover {
    background: #fff;
    color: #333;
    border-radius: 3px;
}

.tce-editor-container .mce-toolbar .mce-btn.mce-active {
    background: #e8e8e8;
    color: #333;
    border-radius: 3px;
}

/* 工具栏按钮组 */
.tce-editor-container .mce-btn-group {
    border: none;
    background: transparent;
    padding: 0 3px;
    display: inline-flex;
    flex-wrap: nowrap;
    align-items: center;
}

.tce-editor-container .mce-btn-group:not(:last-child) {
    border-right: 1px solid #e5e5e5;
    margin-right: 3px;
    padding-right: 6px;
}

/* 下拉按钮优化 */
.tce-editor-container .mce-listbox,
.tce-editor-container .mce-btn-group .mce-btn {
    max-width: none;
    min-width: auto;
}

/* 工具栏行 - 支持多行显示 */
.tce-editor-container .mce-toolbar .mce-flow-layout-item {
    margin: 2px 0;
}

.tce-editor-container .mce-container.mce-toolbar.mce-stack-layout-item {
    overflow: visible !important;
}

/* 强制工具栏容器允许换行 */
.tce-editor-container .mce-flow-layout {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
}

.tce-editor-container .mce-container-body {
    overflow: visible !important;
}

/* 确保所有工具栏项目不会被裁剪 */
.tce-editor-container .mce-toolbar-grp > .mce-container-body {
    overflow: visible !important;
    display: flex;
    flex-wrap: wrap;
    width: 100%;
}

/* 格式下拉框 */
.tce-editor-container .mce-listbox button {
    padding: 4px 8px;
    min-width: 80px;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tce-editor-container .mce-listbox .mce-caret {
    margin-left: 4px;
}

.tce-editor-container .mce-edit-area {
    background: #fff;
    border: none;
}

.tce-editor-container .mce-edit-area iframe {
    border: none;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
}

/* 编辑器内容区域 */
.tce-editor-container .mce-content-body {
    padding: 15px;
    min-height: 200px;
}

/* Image Styles in Editor */
.tce-editor-container .mce-content-body img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 10px 0;
    display: block;
}

/* 编辑器底部状态栏 */
.tce-editor-container .mce-statusbar {
    background: #fafafa;
    border-top: 1px solid #e5e5e5;
}

.tce-editor-container .mce-path {
    padding: 8px 10px;
    font-size: 12px;
    color: #999;
}

/* 下拉菜单样式优化 */
.tce-editor-container .mce-menu {
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.tce-editor-container .mce-menu-item {
    padding: 6px 12px;
    font-size: 13px;
}

.tce-editor-container .mce-menu-item:hover {
    background: #f5f5f5;
}

.tce-editor-container .mce-menu-item.mce-selected,
.tce-editor-container .mce-menu-item:focus {
    background: #e8e8e8;
}

/* 弹出面板样式 */
.tce-editor-container .mce-panel {
    border: 1px solid #e5e5e5;
    background: #fff;
}

.tce-editor-container .mce-window {
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 文本区域焦点状态 */
.tce-editor-container .wp-editor-wrap.html-active .wp-editor-area:focus {
    outline: none;
    box-shadow: inset 0 0 0 1px var(--tce-primary);
}

/* Responsive Editor */
@media (max-width: 768px) {
    .tce-editor-container .wp-editor-area {
        font-size: 14px;
        padding: 12px;
    }
    
    .tce-editor-container .wp-switch-editor {
        padding: 6px 12px;
        font-size: 12px;
        min-width: 60px;
        text-align: center;
    }
    
    .tce-editor-container .wp-media-buttons {
        padding: 10px 12px;
        gap: 8px;
    }
    
    .tce-editor-container .wp-media-buttons .button {
        padding: 5px 12px;
        font-size: 12px;
    }
    
    /* TinyMCE工具栏响应式 */
    .tce-editor-container .mce-toolbar-grp {
        overflow-x: auto !important;
        overflow-y: visible !important;
        -webkit-overflow-scrolling: touch;
    }
    
    .tce-editor-container .mce-toolbar {
        min-width: 100% !important;
        padding: 5px 8px;
        flex-wrap: wrap !important;
    }
    
    .tce-editor-container .mce-btn-group {
        margin: 2px 1px !important;
        padding: 0 2px;
        flex-shrink: 0;
    }
    
    .tce-editor-container .mce-btn {
        min-width: 32px !important;
        padding: 5px !important;
        margin: 1px !important;
    }
    
    .tce-editor-container .mce-listbox button {
        min-width: 70px;
        max-width: 100px;
        font-size: 12px;
    }
    
    .tce-editor-container .mce-content-body {
        padding: 12px;
        min-height: 150px;
    }
    
    /* 工具栏换行支持 */
    .tce-editor-container .mce-container-body.mce-flow-layout {
        display: flex !important;
        flex-wrap: wrap !important;
    }
}

/* Form elements */
.tce-form input[type="text"],
.tce-form input[type="email"],
.tce-form input[type="date"],
.tce-form textarea {
    width: 100%;
    padding: 10px 15px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 15px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.tce-form input:focus,
.tce-form textarea:focus {
    border-color: #ee4d50;
    box-shadow: 0 0 0 2px rgba(238, 77, 80, 0.2);
    outline: none;
}

/* Buttons */
.tce-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background: #ee4d50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.3s ease;
}

.tce-btn:hover {
    background: #e03c3f;
    transform: translateY(-1px);
}

.tce-btn:active {
    transform: translateY(0);
}

.tce-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* Message styles */
.tce-message {
    padding: 12px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-size: 14px;
    animation: tce-fadeIn 0.3s ease;
}

.tce-message.success {
    background: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid #4caf50;
}

.tce-message.error {
    background: #ffebee;
    color: #c62828;
    border-left: 4px solid #f44336;
}

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

/* 响应式加载效果 */
@media (max-width: 768px) {
    .tce-loading-container {
        padding: 2rem 1rem;
        min-height: 150px;
    }
    
    .tce-loading-spinner {
        width: 32px;
        height: 32px;
        border-width: 3px;
    }
    
    .tce-loading-text {
        font-size: 13px;
    }
    
    .tce-loading-subtitle {
        font-size: 11px;
    }
    
    .tce-skeleton-item {
        padding: 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .tce-skeleton-header {
        height: 18px;
    }
    
    .tce-skeleton-meta {
        height: 12px;
    }
    
    .tce-skeleton-content {
        height: 14px;
    }
    
    /* 邮件列表响应式 */
    .tce-email-item {
        padding: 1rem 0;
    }
    
    .tce-email-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        margin-bottom: 0.6rem;
    }
    
    .tce-email-date {
        font-size: 0.85rem;
    }
    
    .tce-email-subject {
        font-size: 1rem;
    }
    
    .tce-email-meta {
        flex-wrap: wrap;
        gap: 1rem;
        font-size: 0.8rem;
    }
    
    .tce-email-content {
        font-size: 0.85rem;
    }
    
    .tce-email-actions {
        gap: 0.8rem;
    }
    
    .tce-email-actions a {
        font-size: 0.8rem;
    }
    
    .tce-email-footer {
        flex-direction: column;
        gap: 0.6rem;
        align-items: flex-start;
    }
    
    .tce-email-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .tce-container {
        padding: 0 10px;
        margin: 1rem auto;
    }
    
    .tce-tabs {
        flex-wrap: wrap;
        gap: 0;
    }
    
    .tce-tab {
        flex: 1;
        min-width: 0;
        text-align: center;
        padding: 10px 5px;
        font-size: 14px;
    }
    
    .tce-tab-content {
        padding: 1rem;
    }
    
    .tce-form {
        padding: 0;
    }
    
    .tce-form input[type="text"],
    .tce-form input[type="email"],
    .tce-form input[type="date"],
    .tce-form textarea {
        font-size: 14px;
        padding: 0.6rem 0.8rem;
    }
    
    .tce-button,
    .tce-btn {
        width: 100%;
        padding: 12px;
        font-size: 14px;
    }
    
    .tce-form-actions {
        margin-top: 1.5rem;
    }
}

/* 超小屏幕响应式 (小手机) */
@media (max-width: 480px) {
    .tce-container {
        padding: 0 8px;
        margin: 0.5rem auto;
    }
    
    .tce-tab {
        padding: 8px 4px;
        font-size: 12px;
        min-width: 0;
    }
    
    .tce-tab-content {
        padding: 0.8rem;
    }
    
    .tce-form input[type="text"],
    .tce-form input[type="email"],
    .tce-form input[type="date"],
    .tce-form textarea {
        font-size: 13px;
        padding: 0.5rem 0.7rem;
    }
    
    .tce-form label {
        font-size: 14px;
    }
    
    .tce-button,
    .tce-btn {
        padding: 10px;
        font-size: 13px;
    }
    
    .tce-form-group {
        margin-bottom: 1.2rem;
    }
    
    /* 编辑器在超小屏幕上的优化 */
    .tce-editor-container .wp-media-buttons {
        padding: 8px;
        gap: 6px;
    }
    
    .tce-editor-container .wp-media-buttons .button {
        padding: 4px 10px;
        font-size: 11px;
    }
    
    .tce-editor-container .wp-editor-area {
        font-size: 13px;
        padding: 10px;
    }
    
    .tce-editor-container .wp-switch-editor {
        padding: 5px 10px;
        font-size: 11px;
        min-width: 50px;
        text-align: center;
    }
    
    .tce-editor-container .mce-toolbar {
        padding: 3px 4px;
    }
    
    .tce-editor-container .mce-btn {
        min-width: 26px !important;
        padding: 3px !important;
        margin: 1px !important;
    }
    
    .tce-editor-container .mce-content-body {
        padding: 10px;
        min-height: 120px;
    }
}

/* 登录引导页面样式 - 参考时光邮局设计 */
.tce-login-guide {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    background: #ffffff;
    color: #333333;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Hero区域 */
.tce-guide-hero {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.tce-hero-title {
    font-size: 3.5rem;
    font-weight: 300;
    margin: 0 0 1rem 0;
    color: #2c3e50;
    letter-spacing: -0.02em;
}

.tce-hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    margin: 0 0 0.5rem 0;
    color: #34495e;
}

.tce-hero-description {
    font-size: 1.1rem;
    color: #7f8c8d;
    margin: 0;
    font-weight: 300;
}

/* 统计数据 */
.tce-guide-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 4rem;
    padding: 2rem 0;
    border-top: 1px solid #ecf0f1;
    border-bottom: 1px solid #ecf0f1;
}

.tce-stat-item {
    text-align: center;
}

.tce-stat-number {
    font-size: 2.5rem;
    font-weight: 300;
    color: #3498db;
    margin-bottom: 0.5rem;
}

.tce-stat-label {
    font-size: 0.9rem;
    color: #7f8c8d;
    font-weight: 400;
}

/* 功能特色 */
.tce-guide-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.tce-feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
    transition: transform 0.2s ease;
}

.tce-feature-card:hover {
    transform: translateY(-2px);
}

.tce-feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #3498db;
}

.tce-feature-icon i {
    font-size: inherit;
}

.tce-feature-card h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin: 0 0 1rem 0;
    color: #2c3e50;
}

.tce-feature-card p {
    font-size: 0.95rem;
    color: #7f8c8d;
    line-height: 1.6;
    margin: 0;
}

/* 箴言区域 */
.tce-guide-quotes {
    margin-bottom: 4rem;
    text-align: center;
}

.tce-guide-quotes h3 {
    font-size: 1.8rem;
    font-weight: 400;
    margin: 0 0 2rem 0;
    color: #2c3e50;
}

.tce-quotes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.tce-quote-item {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 3px solid #3498db;
}

.tce-quote-item blockquote {
    font-size: 1rem;
    font-style: italic;
    color: #34495e;
    margin: 0 0 0.5rem 0;
    line-height: 1.5;
}

.tce-quote-item cite {
    font-size: 0.85rem;
    color: #7f8c8d;
    font-style: normal;
}

/* 关于区域 */
.tce-guide-about {
    margin-bottom: 4rem;
    text-align: center;
}

.tce-guide-about h3 {
    font-size: 1.8rem;
    font-weight: 400;
    margin: 0 0 2rem 0;
    color: #2c3e50;
}

.tce-about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    text-align: left;
}

.tce-about-item h4 {
    font-size: 1.2rem;
    font-weight: 500;
    margin: 0 0 1rem 0;
    color: #2c3e50;
}

.tce-about-item p {
    font-size: 0.95rem;
    color: #7f8c8d;
    line-height: 1.6;
    margin: 0;
}

/* 登录区域 */
.tce-guide-login {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #ecf0f1;
}

.tce-login-card {
    max-width: 400px;
    margin: 0 auto;
}

.tce-login-card h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin: 0 0 0.5rem 0;
    color: #2c3e50;
}

.tce-login-card p {
    font-size: 0.95rem;
    color: #7f8c8d;
    margin: 0 0 2rem 0;
}

.tce-login-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.tce-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    min-width: 200px;
    justify-content: center;
}

.tce-btn-primary {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

.tce-btn-primary:hover {
    background: #2980b9;
    border-color: #2980b9;
    transform: translateY(-1px);
}

.tce-btn-secondary {
    background: transparent;
    color: #7f8c8d;
    border-color: #bdc3c7;
}

.tce-btn-secondary:hover {
    background: #f8f9fa;
    color: #2c3e50;
    border-color: #95a5a6;
}

.tce-btn-icon {
    font-size: 1rem;
    margin-right: 0.5rem;
}

/* 移除WordPress主题和页面的宽度限制 */
.landing-page {
    max-width: none !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

.landing-page .content {
    max-width: none !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

.landing-page .content .content-section {
    max-width: none !important;
    width: 100% !important;
    margin: 0 auto !important;
    padding-left: 29px !important;
    padding-right: 29px !important;
    box-sizing: border-box !important;
}

body .landing-page,
body .landing-page .content,
body .landing-page .content .content-section {
    max-width: none !important;
    width: 100% !important;
}

.site-content .landing-page,
.entry-content .landing-page,
.post-content .landing-page,
.page-content .landing-page,
article .landing-page,
main .landing-page,
.container .landing-page,
.content-area .landing-page {
    max-width: none !important;
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.site-content:has(.landing-page),
.entry-content:has(.landing-page),
.post-content:has(.landing-page),
.page-content:has(.landing-page),
article:has(.landing-page),
main:has(.landing-page),
.container:has(.landing-page),
.content-area:has(.landing-page) {
    max-width: none !important;
    width: 100% !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

@media (min-width: 720px) {
    .landing-page .content .content-section {
        padding-left: 40px !important;
        padding-right: 40px !important;
    }
}

@media (min-width: 900px) {
    .landing-page .content .content-section {
        max-width: none !important;
        width: 100% !important;
        margin: 0 auto !important;
    }
}

@media (min-width: 1000px) {
    .landing-page .content .content-section {
        max-width: none !important;
        width: 100% !important;
        padding-left: 40px !important;
        padding-right: 40px !important;
    }
}

/* 箴言部分样式 */
.landing-page .content .content-section.section-features {
    display: block !important;
}

.landing-page .content .content-section.section-features .section-title {
    margin: 0 0 14px 0 !important;
    padding: 0 !important;
    font-size: 32px;
    font-weight: 700;
    color: #1688fe !important;
    line-height: 1.2;
}

.landing-page .content .content-section.section-features .uikit-title-line {
    width: 80px !important;
    height: 4px !important;
    background-color: #e5e5e5 !important;
    margin: 0 0 40px 0 !important;
    padding: 0 !important;
    display: block !important;
    clear: both !important;
    float: none !important;
    position: static !important;
}

.landing-page .content .content-section.section-features .features {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    column-count: 1;
    column-gap: 0;
}

.landing-page .content .content-section.section-features .feature {
    display: block !important;
    padding: 0 0 24px 0 !important;
    margin: 0 0 24px 0 !important;
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    height: auto !important;
    opacity: 1 !important;
    transform: none !important;
    break-inside: avoid;
    page-break-inside: avoid;
}

.landing-page .content .content-section.section-features .feature:hover {
    transform: none !important;
    box-shadow: none !important;
    background: transparent !important;
}

.landing-page .content .content-section.section-features .feature:hover .description .title {
    color: #1688fe;
}

.landing-page .content .content-section.section-features .feature .icon {
    display: none !important;
}

.landing-page .content .content-section.section-features .feature .description {
    float: none !important;
    width: 100% !important;
    display: block !important;
}

.landing-page .content .content-section.section-features .feature .description .title {
    font-size: 16px;
    font-weight: 600;
    color: #303235;
    margin: 0 0 6px 0;
    line-height: 1.6;
    text-align: left !important;
    transition: color 0.3s ease;
}

.landing-page .content .content-section.section-features .feature .description .text {
    font-size: 13px;
    color: #999;
    line-height: 1.5;
    margin: 0;
    text-align: left !important;
}

.landing-page .content .content-section.section-features .integration-block {
    display: none !important;
    margin-top: 30px;
    text-align: center;
}

.landing-page .content .content-section.section-features .integration-block .feature-banner {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

@media (min-width: 600px) {
    .landing-page .content .content-section.section-features .features {
        column-count: 2;
        column-gap: 40px;
    }
    
    .landing-page .content .content-section.section-features .integration-block {
        display: block !important;
        margin-top: 40px;
    }
}

@media (min-width: 1000px) {
    .landing-page .content .content-section.section-features {
        display: grid !important;
        grid-template-columns: 1fr 400px !important;
        grid-template-rows: auto auto 1fr !important;
        gap: 0 60px !important;
        column-gap: 60px !important;
        row-gap: 0 !important;
        align-items: start !important;
    }
    
    .landing-page .content .content-section.section-features .section-title {
        grid-column: 1 / -1 !important;
        grid-row: 1 !important;
        margin: 0 0 14px 0 !important;
        padding: 0 !important;
    }
    
    .landing-page .content .content-section.section-features .uikit-title-line {
        grid-column: 1 / -1 !important;
        grid-row: 2 !important;
        margin: 0 0 40px 0 !important;
        padding: 0 !important;
    }
    
    .landing-page .content .content-section.section-features .features {
        grid-column: 1 !important;
        grid-row: 3 !important;
        column-count: 2 !important;
        column-gap: 50px !important;
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
        float: none !important;
    }
    
    .landing-page .content .content-section.section-features .integration-block {
        grid-column: 2 !important;
        grid-row: 3 !important;
        margin: 0 !important;
        padding: 0 !important;
        display: block !important;
        align-self: start !important;
        width: 100% !important;
        float: none !important;
    }
    
    .landing-page .content .content-section.section-features .feature .description .title {
        font-size: 17px !important;
    }
    
    .landing-page .content .content-section.section-features .feature .description .text {
        font-size: 14px !important;
    }
}

@media (min-width: 1200px) {
    .landing-page .content .content-section.section-features {
        grid-template-columns: 1fr 450px !important;
        gap: 0 80px !important;
        column-gap: 80px !important;
        row-gap: 0 !important;
    }
    
    .landing-page .content .content-section.section-features .features {
        column-gap: 60px !important;
    }
    
    .landing-page .content .content-section.section-features .feature .description .title {
        font-size: 18px !important;
    }
}

/* 登录引导页面响应式设计 */
@media (max-width: 768px) {
    .tce-login-guide {
        padding: 1rem;
    }
    
    .tce-hero-title {
        font-size: 2.5rem;
    }
    
    .tce-hero-subtitle {
        font-size: 1.4rem;
    }
    
    .tce-guide-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .tce-guide-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tce-quotes-grid {
        grid-template-columns: 1fr;
    }
    
    .tce-about-content {
        grid-template-columns: 1fr;
    }
    
    .tce-login-buttons {
        flex-direction: column;
    }
    
    .tce-btn {
        width: 100%;
        max-width: 300px;
    }
}

/* ========================================
   新版登录引导页 - 参考 timemail.net 设计
   ======================================== */

.tce-landing-page {
    max-width: 100%;
    margin: 0;
    padding: 0;
    background: #f9f9f9;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, 'Microsoft YaHei', sans-serif;
}

/* Hero 区域 */
.tce-landing-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 20px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tce-landing-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.03)"/></svg>');
    opacity: 0.5;
}

.tce-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto 60px;
}

.tce-hero-title {
    font-size: 3.5rem;
    font-weight: 300;
    margin: 0 0 20px 0;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.tce-hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin: 0 0 40px 0;
    opacity: 0.95;
}

.tce-hero-actions {
    margin-top: 30px;
}

.tce-hero-btn {
    display: inline-block;
    padding: 16px 48px;
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.tce-hero-btn-primary {
    background: white;
    color: #667eea;
}

.tce-hero-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 统计数据 */
.tce-hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.tce-stat-box {
    text-align: center;
    min-width: 150px;
}

.tce-stat-value {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 8px;
    line-height: 1;
}

.tce-stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
    font-weight: 300;
}

/* 通用区域样式 */
.tce-landing-section {
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 20px;
    background: white;
}

.tce-section-title {
    font-size: 2rem;
    font-weight: 400;
    text-align: center;
    margin: 0 0 20px 0;
    color: #2c3e50;
}

.tce-section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    margin: 0 auto 60px;
    border-radius: 2px;
}

/* 箴言区域 */
.tce-features-section {
    background: #f9f9f9;
}

.tce-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.tce-feature-item {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.tce-feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.tce-feature-content {
    text-align: center;
}

.tce-feature-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: #2c3e50;
    margin: 0 0 15px 0;
    line-height: 1.6;
}

.tce-feature-author {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin: 0;
    font-style: italic;
}

/* 关于区域 */
.tce-about-section {
    background: white;
}

.tce-about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.tce-about-card {
    text-align: center;
    padding: 20px;
}

.tce-about-icon {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}

.tce-about-icon svg {
    filter: drop-shadow(0 4px 10px rgba(16, 132, 254, 0.3));
    transition: transform 0.3s ease;
}

.tce-about-card:hover .tce-about-icon svg {
    transform: scale(1.1) rotate(5deg);
}

.tce-about-title {
    font-size: 1.4rem;
    font-weight: 500;
    color: #2c3e50;
    margin: 0 0 20px 0;
}

.tce-about-text {
    font-size: 1rem;
    color: #7f8c8d;
    line-height: 1.8;
    margin: 0;
}

/* 中等屏幕响应式 (平板) */
@media (max-width: 992px) {
    .tce-container {
        padding: 0 15px;
    }
    
    .tce-form {
        max-width: 100%;
    }
    
    .tce-tab-content {
        padding: 1.5rem;
    }
    
    /* 编辑器工具栏优化 */
    .tce-editor-container .mce-toolbar {
        padding: 5px 8px;
    }
    
    .tce-editor-container .mce-btn {
        margin: 1px;
    }
    
    .tce-editor-container .mce-listbox button {
        min-width: 75px;
        max-width: 110px;
        font-size: 13px;
    }
}

/* 小屏幕响应式 (手机) */
@media (max-width: 768px) {
    .tce-landing-hero {
        padding: 60px 20px 40px;
    }
    
    .tce-hero-title {
        font-size: 2.5rem;
    }
    
    .tce-hero-subtitle {
        font-size: 1.2rem;
    }
    
    .tce-hero-btn {
        padding: 14px 36px;
        font-size: 1rem;
    }
    
    .tce-hero-stats {
        gap: 30px;
    }
    
    .tce-stat-value {
        font-size: 2.5rem;
    }
    
    .tce-stat-label {
        font-size: 0.85rem;
    }
    
    .tce-landing-section {
        padding: 60px 20px;
    }
    
    .tce-section-title {
        font-size: 1.8rem;
    }
    
    .tce-features-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tce-feature-item {
        padding: 25px;
    }
    
    .tce-feature-title {
        font-size: 1rem;
    }
    
    .tce-about-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .tce-about-title {
        font-size: 1.2rem;
    }
    
    .tce-about-text {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .tce-hero-title {
        font-size: 2rem;
    }
    
    .tce-hero-subtitle {
        font-size: 1rem;
    }
    
    .tce-hero-stats {
        gap: 20px;
    }
    
    .tce-stat-box {
        min-width: 120px;
    }
    
    .tce-stat-value {
        font-size: 2rem;
    }
    
    .tce-landing-section {
        padding: 40px 15px;
    }
}