body {
    font-size: 16px;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    position: relative;
    overflow-y: auto; /* 确保页面可以垂直滚动 */
}
main {
    padding-top: 60px; /* 确保内容不会被固定在顶部的标题栏遮挡 */
    overflow-y: auto; /* 确保主要内容区域可以滚动 */
    scrollbar-width: thin;
    scrollbar-color: var(--tertiary-text) transparent;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background-color: var(--header-background);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000; /* 确保标题栏在其他内容之上 */
}
.action-button {
    padding: 8px 16px !important;
    font-size: 14px;
}
.content-container {
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 24px;
    background-color: var(--card-background);
    border-radius: 16px;
}
.content-container img {
    width: 100%;
}
.caption-section {
    padding: 0;
}
.content-section {
    display: flex; gap: 8px; flex-direction: column;
}
.content-banner {
    display: flex;
    gap: 16px;
    flex-direction: column;
    min-width: 80px !important;
}
.content-banner img{
    border-radius: 12px;
}
.content-banner h1 {
    margin: 0;
}
.content-banner .caption {
    padding-top: 0;
}
/* 强制显示定时发布选项 */
.release-time-section {
    display: flex !important;
    flex-direction: column;
    gap: 8px;
}

/* 优化封面图类型容器布局 
.image-input-type-container {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background-color: var(--background-color);
    border: 1px solid var(--tertiary-text);
    padding: 4px;
}

.image-input-type-container::-webkit-scrollbar {
    display: none;
}

/* 强化单选按钮样式 
.radio-group {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 4px 12px;
    border-radius: 12px;
}

.radio-group span {
    position: relative;
    transition: color 0.2s ease;
}

.radio-group input[type="radio"]:checked {
    background-color: var(--card-background);
}

.radio-group span::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--text-color);
    transition: width 0.2s ease;
}

.radio-group input[type="radio"]:checked + span::after {
    width: 100%;
}*/

/* 优化封面图类型容器的控制 */
.image-input-type-container ~ .image-input-link-container,
.image-input-type-container ~ .image-input-color-container {
    display: none ;
}

/* 强化显式显示类 */
.show-link-input {
    display: block !important;
}

.show-color-input {
    display: flex !important;
}

/* 优化文件上传容器控制 */
.image-input-type-container ~ .image-input-file-container {
    display: none !important;
}

/* 增强容器间距控制 */
.image-input-type-container + .content-section {
    margin-top: 24px;
}

/* 多行文本输入样式 */
.summary-input {
    width: 100%;
    padding: 8px;
    border-radius: 8px;
    border: 1px solid var(--tertiary-text);
    resize: vertical;
}

/* 确保所有输入区域始终显示 */
.image-input-link-container,
.image-input-color-container,
.image-input-file-container {
    display: flex;
}

/* 显示定时发布选项 */
.release-on-time-option {
    display: flex;
    align-items: center;
    gap: 8px;
}

.radio-group input {
    margin: 0;
}

/* 图片预览样式 */
.image-preview {
    margin-top: 16px;
}

.image-preview img {
    max-width: 100%;
    border-radius: 12px;
}

/* 文件上传控件 */
.image-input-file-container {
    display: none !important;
}

.image-input-file {
    opacity: 0;
    position: absolute;
    z-index: -1;
}

.image-input-file + label {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--header-background);
    color: var(--text-color);
    border-radius: 8px;
    cursor: pointer;
    width: fit-content;
}

.image-input-color-container {
    flex-direction: column;
    gap: 8px;
}

.image-options {
    display: flex;
    width: 100%;
    flex-direction: row;
    gap: 8px;
}

.image-input-color-red, .image-input-color-gray, .image-input-color-primary, .image-input-color-metro, .image-input-color-bus {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.image-input-color-red {
    background-color: #A61B29;
}

.image-input-color-gray {
    background-color: #888888;
}

.image-input-color-primary {
    background-color: var(--primary-color);
}

.image-input-color-metro {
    background-color: var(--metro-color);
}

.image-input-color-bus {
    background-color: var(--bus-color);
}

/* 添加区域显示动画 */
.release-time-section,
.image-input-type-container {
    animation: fadeIn 0.3s ease-in-out;
}

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

/* 增强单选按钮交互反馈 */
.radio-group input[type="radio"] {
    transition: all 0.2s ease;
    margin: 0 !important;
}

.radio-group input[type="radio"]:checked + label.radio-group {
    font-weight: bold;
    color: var(--primary-color);
    background: var(--card-background) !important;
}

.news-filters {
    padding: 0 !important;
    border: none !important;
}

/* 复用direction-tabs样式 */
.image-input-type-container {
    display: flex;
    justify-content: space-evenly;
    gap: 1px;
    background: var(--background-color);
    padding: 4px;
    border-radius: 36px;
    min-width: 216px;
    max-width: 216px;
}

.image-input-type-container .radio-group {
    flex: 1;
    padding: 2px 12px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--secondary-text);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.image-input-type-container .radio-group:hover {
    background: var(--hover-background);
}

.image-input-type-container .radio-group input[type="radio"]:checked {
    background-color: var(--card-background);
}

.image-input-type-container .radio-group input[type="radio"] {
    display: none;
}

.image-input-type-container .radio-group span {
    position: relative;
}

.image-input-type-container .radio-group input[type="radio"] + span::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 2px;
    background: transparent;
}

/* 移动端适配优化 */
@media (max-width: 640px) {
    .image-input-type-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 4px;
    }
    
    .radio-group {
        min-width: 80px;
        justify-content: center;
    }
    
    .radio-group span::after {
        bottom: -2px;
        height: 3px;
    }
}

/* 添加悬停放大效果 */
.radio-group:hover span {
    transform: scale(1.05);
}

/* 优化选中状态 */
.radio-group input[type="radio"]:checked + span {
    color: var(--text-color);
    font-weight: bold;
}

/* 移动端适配 */
@media (max-width: 639px) {
    
    .release-time-section,
    .expire-date-section {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-color-scheme: dark) {
    #copy img{
        filter: invert(1);
    }
}
@media (max-width: 360px) { 
    .header .toolbar {
        display: block;
    }
}
@media (min-width: 640px) {
    .content-container {
        flex-direction: row;
        gap: 24px;
    }
    .content-container .content-banner {
        max-width: 320px;
        min-width: 120px;
    }
}

.vertical-divider { 
    width: 1px;
    background-color: var(--secondary-text);
    margin: 0 4px;
}


/* 添加预设颜色悬停效果和指针样式 */
.preset-color {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.image-input-color-red:hover {
    background-color: #8a1622;
}

.image-input-color-gray:hover {
    background-color: #777;
}

.image-input-color-primary:hover {
    background-color: var(--primary-color);
}

.image-input-color-metro:hover {
    background-color: var(--metro-color);
}

.image-input-color-bus:hover {
    background-color: var(--bus-color);
}

.preset-color:hover {
    transform: scale(1.2);
    box-shadow: 0 0 5px rgba(0,0,0,0.3);
}

/* 添加颜色选择器的过渡效果 */
.image-input-color {
    transition: border-color 0.3s ease;
}

.image-input-color:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* 添加选中状态指示 */
.preset-color.selected {
    border: 2px solid var(--background-color);
    transform: scale(1.1);
    outline: 2px solid var(--primary-color);
}

.preset-color.selected::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    pointer-events: none;
}

.appearance-change-warning {
    display: none;
    margin: 0;
    padding: 0;
}

/* 在 content_request/style.css 中添加预览样式 */
.preview-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 24px 16px;
}

.preview-card {
    background-color: var(--card-background);
    border-radius: 16px;
    padding: 16px;
}

.carousel-preview {
    position: relative;
    height: 200px;
    overflow: hidden;
    border-radius: 16px;
    background-color: var(--background-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.carousel-slide-preview {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    overflow: hidden;
}

.carousel-slide-preview.no-image {
    background-color: var(--primary-color);
}

.carousel-slide-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}

.carousel-title-preview {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 80px;
    color: var(--white);
    font-size: 20px;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    z-index: 2;
    opacity: 1;
    transform: translateX(0);
    word-break: keep-all;
    hyphens: auto;
}

.carousel-slide-preview.no-image .carousel-title-preview {
    position: static;
    padding: 0 16px;
    text-align: left;
    font-size: 24px;
    max-width: 80%;
    margin: 0;
    text-shadow: none;
    color: var(--white);
}

.news-preview {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.news-meta-preview {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
    align-items: center;
}

.news-category-preview {
    color: var(--primary-color);
    font-size: 12px;
    background-color: var(--primary-color-transparent);
    padding: 2px 8px;
    border-radius: 12px;
}

.news-category-preview.bus { 
    color: var(--bus-color); 
    background-color: #1cbef921; 
}

.news-category-preview.metro { 
    color: var(--metro-color); 
    background-color: #002fed14; 
}

.news-category-preview.tram { 
    color: var(--tram-color); 
    background-color: #e2023a14; 
}

.news-category-preview.local { 
    color: var(--local-railway-color); 
    background-color: #a0522d14;
}

.news-category-preview.default { 
    color: var(--primary-color); 
}

.news-date-preview {
    color: #666;
    font-size: 12px;
}

.expired-tag-preview {
    font-size: 12px;
    color: var(--secondary-text);
    background-color: var(--hover-background);
    padding: 2px 8px;
    border-radius: 12px;
}

.news-title-preview {
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: 500;
}

.news-summary-preview {
    color: var(--secondary-text);
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

/* 在 style.css 中添加响应式预览样式 */
@media (max-width: 639px) {
    .preview-container {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .carousel-preview {
        height: 120px;
    }
    
    .carousel-title-preview {
        font-size: 16px;
    }
}

/* 在 mainpage.css 中查找并复制相关样式到 style.css */
.carousel-slide-preview::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
    z-index: 1;
}

.carousel-slide-preview.no-image::before {
    display: none;
}