img {
    max-width: 100%;
    height: auto;
}

.post-images img {
    max-width: 100%;
    max-height: 150px;
    width: auto;
    object-fit: cover;
    margin: 5px;
}

.post-preview img {
    max-width: 100%;
    height: auto;
}

.header {
    background: #28a745;
    color: #fff;
    padding: 10px 15px;
    font-size: 18px;
    flex-wrap: wrap;
    gap: 10px;
}

.user-area a {
    display: inline-block;
    margin-left: 8px;
    font-size: 14px;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    .btn {
        font-size: 14px;
        padding: 6px 12px;
    }
}

.form-control, .form-select {
    font-size: 16px; /* 避免 iOS 自动缩放 */
}

/* ===== File: web/static/css/mobile.css ===== */
/* 在文件末尾添加以下聊天相关样式 */

/* 聊天界面滚动条 */
.messages-container::-webkit-scrollbar {
    width: 4px;
}
.messages-container::-webkit-scrollbar-track {
    background: #f1f1f1;
}
.messages-container::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

/* 会话列表滚动条 */
.conversation-list::-webkit-scrollbar {
    width: 4px;
}

/* 消息气泡动画 */
.message {
    animation: fadeIn 0.2s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 输入框自适应高度 */
.chat-input-area textarea {
    max-height: 100px;
    overflow-y: auto;
}

/* 选中会话高亮 */
.conversation-item.active {
    background: #e9f5eb;
    border-left: 3px solid #28a745;
}

/* 未读消息红点 */
.unread-badge {
    background: #dc3545;
    color: white;
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 11px;
    margin-left: 8px;
    display: inline-block;
}
/*删除按钮*/
.delete-comment-btn {
    font-size: 12px;
    padding: 2px 6px;
    margin-left: 20px;
}
.comment-item {
    margin-bottom: 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid #eee;
}

#post-actions {
    margin-top: 15px;
}
#post-actions .btn {
    margin-left: 8px;
}

/* 违规日志表格换行 */
#violation-log-table td,
#violation-log-table th {
    white-space: normal;
    word-break: break-word;
}

.user-area span {
    font-size: inherit;
    pointer-events: none;  /* 禁止点击，因为它不是链接 */
    margin-left: 10px;
}

/* ===== mobile.css (优化版) ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #f8f9fa;
    color: #212529;
    line-height: 1.5;
}

/* 统一圆角 & 过渡 */
.btn, .card, img, .form-control, .form-select, .post-item, .conversation-item {
    transition: all 0.2s ease-in-out;
}
.btn {
    border-radius: 8px;
    padding: 8px 18px;
    font-weight: 500;
}
.btn:hover {
    filter: brightness(0.92);
    transform: translateY(-1px);
}
.card {
    border-radius: 12px;
    border: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px rgba(0,0,0,0.1);
}
.card-img-top-placeholder {
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 180px;
    color: #28a745;
    font-size: 48px;
    border-radius: 12px 12px 0 0;
}
.post-preview img, .post-images img {
    border-radius: 8px;
    object-fit: cover;
}

/* 字体层级 */
h1, h2, h3, h4, .post-title {
    font-weight: 700;
}
.post-title {
    font-size: 1.25rem;
}
.post-category, .post-spec {
    font-size: 0.9rem;
    color: #495057;
}
.post-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: #28a745;
}
.post-location, .post-date {
    font-size: 0.75rem;
    color: #6c757d;
}

/* 图片占位 */
.post-image-placeholder {
    background: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 180px;
    width: 100%;
    color: #28a745;
    font-size: 48px;
    border-radius: 12px 12px 0 0;
}
.post-image-placeholder-small {
    height: 100px;
    width: 100px;
    border-radius: 8px;
    font-size: 32px;
}
.avatar-placeholder {
    width: 48px;
    height: 48px;
    background: #28a745;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 20px;
}

/* 链接优化 */
a {
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    text-decoration: underline;
    color: #1e7e34;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .post-title {
        font-size: 1rem;
    }
    .btn {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
}

/* 价格标签 */
.price-tag {
    background: #28a74510;
    padding: 4px 10px;
    border-radius: 20px;
    display: inline-block;
}

/* 导航图标 */
.nav-icon {
    color: white;
    font-size: 1.2rem;
    transition: opacity 0.2s;
}
.nav-icon:hover {
    opacity: 0.8;
    color: white;
    text-decoration: none;
}
/* 移动端缩小间距 */
@media (max-width: 576px) {
    .header .d-flex {
        gap: 0.75rem !important;
    }
    .nav-icon {
        font-size: 1rem;
    }
}

/* ===== 全局主题色 ===== */
:root {
    --primary: #2E7D32;      /* 主绿色 */
    --primary-light: #81C784;
    --primary-dark: #1B5E20;
    --gray-bg: #F5F5F5;
    --gray-border: #E0E0E0;
    --text-main: #333333;
    --text-muted: #666666;
    --white: #FFFFFF;
}

/* 基础重置 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--gray-bg);
    color: var(--text-main);
    line-height: 1.5;
}

/* 顶部导航栏 */
.header {
    background: var(--primary) !important;
    color: var(--white);
    padding: 15px 20px;
    font-size: 18px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.header a, .header .nav-icon {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.2s;
}
.header a:hover, .header .nav-icon:hover {
    opacity: 0.85;
    text-decoration: none;
}
.user-area a {
    margin-left: 12px;
    font-size: 14px;
}

/* 按钮样式 - 覆盖 Bootstrap */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    border-radius: 8px;
    padding: 8px 18px;
    font-weight: 500;
    transition: all 0.2s;
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}
.btn-secondary {
    background-color: var(--white);
    border-color: var(--gray-border);
    color: var(--text-main);
}
.btn-secondary:hover {
    background-color: var(--gray-bg);
    border-color: #ccc;
}
.btn-outline-primary {
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline-primary:hover {
    background-color: var(--primary);
    color: var(--white);
}
/* 其他按钮统一使用主色或灰色，清除原有的高饱和色 */
.btn-success, .btn-info, .btn-warning {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}
.btn-success:hover, .btn-info:hover, .btn-warning:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}
/* 次要按钮（如取消、返回）使用浅灰 */
.btn-light {
    background-color: var(--gray-bg);
    border-color: var(--gray-border);
    color: var(--text-main);
}
.btn-outline-secondary {
    border-color: var(--gray-border);
    color: var(--text-main);
}
.btn-outline-secondary:hover {
    background-color: var(--gray-bg);
    color: var(--text-main);
}

/* 卡片样式 */
.card {
    border-radius: 16px;
    border: none;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
    background: var(--white);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.card-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-border);
    font-weight: 600;
    padding: 16px 20px;
}
.card-header .fa-box { color: var(--primary); }
.card-header .fa-search { color: #1976D2; }
.card-header .fa-tag { color: #F57C00; }

/* 表单控件焦点颜色 */
.form-control:focus, .form-select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 0.2rem rgba(46,125,50,0.25);
}

/* 链接颜色 */
a:not(.btn) {
    color: var(--primary);
}
a:not(.btn):hover {
    color: var(--primary-dark);
}

/* 帖子列表样式 */
.post-item {
    border-bottom: 1px solid var(--gray-border);
    padding: 16px 0;
}
.post-price {
    color: var(--primary);
    font-weight: 700;
}
.post-location, .post-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 私信聊天界面微调 */
.chat-container .chat-header {
    background: var(--primary);
}
.conversation-item.active {
    background: #E8F5E9;
    border-left: 3px solid var(--primary);
}
#send-btn {
    background-color: var(--primary);
}
#send-btn:hover {
    background-color: var(--primary-dark);
}

/* 图片占位符 */
.post-image-placeholder, .avatar-placeholder {
    background: var(--gray-bg);
    color: var(--primary);
}

/* 移动端适配保留原有响应式规则 */
@media (max-width: 768px) {
    .btn {
        font-size: 14px;
        padding: 6px 12px;
    }
    .card-header {
        padding: 12px 16px;
    }
}

/* 统一所有常用按钮为绿色实心按钮 */
.btn-primary,
.btn-success,
.btn-info,
.btn-warning,
.btn-outline-primary {
    background-color: #2E7D32 !important;
    border-color: #2E7D32 !important;
    color: #FFFFFF !important;
    border-radius: 8px;
    padding: 8px 18px;
    font-weight: 500;
    transition: all 0.2s;
}

/* 悬停效果加深 */
.btn-primary:hover,
.btn-success:hover,
.btn-info:hover,
.btn-warning:hover,
.btn-outline-primary:hover {
    background-color: #1B5E20 !important;
    border-color: #1B5E20 !important;
    color: #FFFFFF !important;
    transform: translateY(-1px);
}

/* 次要按钮（如取消、返回）保持灰色边框 */
.btn-secondary,
.btn-outline-secondary {
    background-color: #FFFFFF !important;
    border-color: #D0D0D0 !important;
    color: #555555 !important;
}
.btn-secondary:hover,
.btn-outline-secondary:hover {
    background-color: #F5F5F5 !important;
    border-color: #B0B0B0 !important;
    color: #333333 !important;
}

/* 强制所有按钮统一为绿底白字（包括危险、次要、边框类） */
.btn,
.btn-primary,
.btn-success,
.btn-info,
.btn-warning,
.btn-danger,
.btn-secondary,
.btn-outline-primary,
.btn-outline-success,
.btn-outline-info,
.btn-outline-warning,
.btn-outline-danger,
.btn-outline-secondary {
    background-color: #2E7D32 !important;
    border-color: #2E7D32 !important;
    color: #FFFFFF !important;
    border-radius: 8px;
    padding: 8px 18px;
    font-weight: 500;
    transition: all 0.2s;
}

/* 悬停效果统一变深 */
.btn:hover,
.btn-primary:hover,
.btn-success:hover,
.btn-info:hover,
.btn-warning:hover,
.btn-danger:hover,
.btn-secondary:hover,
.btn-outline-primary:hover,
.btn-outline-success:hover,
.btn-outline-info:hover,
.btn-outline-warning:hover,
.btn-outline-danger:hover,
.btn-outline-secondary:hover {
    background-color: #1B5E20 !important;
    border-color: #1B5E20 !important;
    color: #FFFFFF !important;
    transform: translateY(-1px);
}

/* 图片点击放大效果 */
.clickable-image {
    cursor: pointer;
    transition: transform 0.2s;
}
.clickable-image:hover {
    transform: scale(1.02);
}
/* 大图遮罩层 */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
}
.image-viewer img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

/* ===== 图片查看器 ===== */
.zoom-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(4px);
}
.zoom-viewer.active {
    opacity: 1;
    visibility: visible;
}
.zoom-viewer .image-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.zoom-viewer img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.1s ease-out;
    will-change: transform;
    touch-action: none;  /* 防止触摸时页面滚动 */
    user-select: none;
    -webkit-user-select: none;
}
.zoom-viewer .close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    z-index: 10;
    backdrop-filter: blur(4px);
    transition: background 0.2s;
}
.zoom-viewer .close-btn:hover {
    background: rgba(255,255,255,0.4);
}
/* 提示文字 */
.zoom-viewer .hint {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 12px;
    pointer-events: none;
}

.drag-handle {
    cursor: grab;
    user-select: none;
}
.drag-handle:active {
    cursor: grabbing;
}

/* 移动端帖子操作按钮区域优化 */
@media (max-width: 768px) {
    /* 移动端帖子操作按钮区域优化（兼容所有浏览器） */
    #post-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-end;
        gap: 8px 12px;
        margin-top: 15px;
        margin-bottom: 16px;
        width: 100%;
        box-sizing: border-box;
    }

    #post-actions .btn,
    #post-actions a.btn {
        padding: 6px 12px;
        font-size: 13px;
        white-space: nowrap;
        flex: 0 0 auto;
        margin-left: 0; /* 清除原来的 margin-left，改用 gap 控制间距 */
        text-align: center;
    }

    /* 处理长文本按钮 */
    #post-actions .btn-success {
        white-space: normal;
        line-height: 1.2;
        min-width: 70px;
    }

    /* 评论区强制不被前面的 flex 容器影响 */
    .comments-list, 
    #comments-list,
    .comment-section {
        margin-top: 10px;
        display: block;
        width: 100%;
        clear: both;
    }
}

/* 确保导航栏所有内容垂直居中在同一水平线 */
.header .d-flex {
    align-items: center;
    flex-wrap: nowrap;      /* 禁止换行，保持一行显示（若空间不足可改为 wrap，但会确保对齐） */
}

/* 用户区域内部使用 flex 布局，保证内部链接/span 垂直对齐 */
.user-area {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-area a,
.user-area span {
    display: inline-block;
    line-height: 1.4;
    vertical-align: middle;
}

/* 让搜索、发布链接的显示方式与用户区域保持一致 */
.header .d-flex > a {
    display: inline-flex;
    align-items: center;
    line-height: 1.4;
}

/* 移动端若空间过挤，缩小间隙和字体（可选） */
@media (max-width: 480px) {
    .header .d-flex {
        gap: 6px;
    }
    .user-area {
        gap: 4px;
    }
    .header .d-flex > a,
    .user-area a {
        font-size: 12px;
    }
}

/* 修复导航栏所有元素在同一水平线 */
.header .d-flex {
    align-items: center !important;   /* 强制垂直居中 */
}

/* 让搜索、发布链接以 flex 方式对齐，避免行内块导致的偏移 */
.header .d-flex > a {
    display: inline-flex;
    align-items: center;
    line-height: 1.4;
}

/* 用户区域及其内部所有子元素统一使用 flex 居中 */
.user-area {
    display: inline-flex !important;
    align-items: center;
    flex-wrap: nowrap;
    gap: 8px;
}

.user-area a,
.user-area span {
    display: inline-flex !important;
    align-items: center;
    line-height: 1.4;
    vertical-align: middle;
}

/* 移动端缩小间距，防止换行 */
@media (max-width: 480px) {
    .header .d-flex {
        gap: 6px;
    }
    .user-area {
        gap: 4px;
    }
    .header .d-flex > a,
    .user-area a,
    .user-area span {
        font-size: 12px;
    }
}

/* 筛选表单水平布局（大屏幕同一行） */
.filter-row {
    display: flex;
    flex-wrap: wrap;      /* 屏幕过窄时可换行 */
    gap: 12px;
    align-items: flex-end; /* 让按钮与输入框底部对齐 */
}

.filter-row .form-group {
    flex: 1;              /* 平均分配宽度 */
    min-width: 120px;     /* 防止过窄 */
}

/* 搜索按钮可以稍微宽一点或保持自适应 */
.filter-row .form-group:last-child {
    flex: 0 0 auto;       /* 按钮不参与拉伸，按内容宽度 */
}

/* 移动端小屏幕换行 */
@media (max-width: 768px) {
    .filter-row {
        flex-wrap: wrap;
    }
    .filter-row .form-group {
        flex: 1 1 calc(50% - 12px); /* 两列布局 */
        min-width: auto;
    }
    .filter-row .form-group:last-child {
        flex: 1 1 100%;
    }
}