* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

/* 头部导航 */
.header {
    background-color: #1890ff;
    color: white;
    padding: 10px;
    text-align: center;
    position: relative;
}

.back-btn {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 18px;
    text-decoration: none;
}

/* 搜索框样式 */
.search-container {
    background-color: #1890ff;
    padding: 13.33px;
    text-align: center;
    margin-bottom: 15px;
}

.search-box {
    width: 90%;
    max-width: 600px;
    height: 26.67px;
    border-radius: 13.33px;
    border: none;
    padding: 0 13.33px;
    font-size: 14px;
    outline: none;
    background-color: white;
}

/* 标签页样式 */
.tabs {
    display: flex;
    background-color: white;
    margin-bottom: 15px;
    overflow-x: auto;
}

.tab {
    flex: 1;
    padding: 12px 0;
    text-align: center;
    font-size: 14px;
    color: #666;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.tab.active {
    color: #1890ff;
    border-bottom-color: #1890ff;
    font-weight: bold;
}

/* 直播列表 */
.livecast-list {
    padding: 0 15px;
}

.livecast-item {
    background-color: white;
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
}

.livecast-cover {
    width: 120px;
    height: 80px;
    background-color: #f0f0f0;
    border-radius: 6px;
    margin-right: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.livecast-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.livecast-content {
    flex: 1;
    min-width: 0;
}

.livecast-title {
    font-size: 15px;
    font-weight: bold;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .livecast-title {
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

.livecast-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.livecast-time {
    font-size: 12px;
    color: #999;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.livecast-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.4;
}

.replay-btn {
    background-color: #1890ff;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

/* 底部导航 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
}

.bottom-nav-item {
    text-align: center;
}

.bottom-nav-icon {
    font-size: 20px;
    margin-bottom: 5px;
}

.bottom-nav-text {
    font-size: 12px;
}

.main-content {
    padding-bottom: 60px;
}