/* 公共变量 */
:root {
    --primary: #4A90E2;      /* 主色调：天蓝色 */
    --primary-dark: #357ABD; /* 深天蓝色，用于悬停效果 */
    --secondary: #34495e;    /* 辅助色：深灰蓝色 */
    --text-primary: #2c3e50; /* 主要文字颜色 */
    --text-secondary: #666;  /* 次要文字颜色 */
    --bg-light: #F5F9FE;     /* 背景浅色 */
    --border-color: #E1E8F0; /* 边框颜色 */
}

/* 公共布局 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.main-content {
    padding: 20px 0;
}

/* 面包屑导航 */
.breadcrumb {
    margin-bottom: 20px;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb .separator {
    color: #999;
    margin: 0 8px;
    font-size: 14px;
}

.breadcrumb .current {
    color: var(--primary);
    font-size: 14px;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.pagination a {
    height: 32px;
    line-height: 32px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
    display: inline-block;
    text-align: center;
}

.pagination a:not(.prev):not(.next) {
    width: 32px;
    padding: 0;
}

.pagination a:hover:not(.disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination .active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.pagination span {
    color: #999;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 10px;
    }
}

/* 加载状态样式 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 通用标题样式 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary);
    margin-bottom: 20px;
}

.section-header h2 {
    color: var(--text-primary);
    font-size: 22px;
    font-weight: bold;
}

.section-header .more {
    color: var(--text-secondary);
    font-size: 13px;
    text-decoration: none;
    transition: color 0.3s;
}

.section-header .more:hover {
    color: var(--primary);
}

/* 通用卡片容器样式 */
.card-container {
    background: #fff;
    padding: 30px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(74, 144, 226, 0.1);
    margin-top: 20px;
}
/* 通用按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 20px;
    height: 32px;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.1);
}

/* 通用标签样式 */
.tag {
    display: inline-block;
    padding: 4px 15px;
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary);
    border-radius: 15px;
    font-size: 13px;
}

/* 通用元信息样式 */
.meta-info {
    display: flex;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.meta-info span {
    display: flex;
    align-items: center;
    position: relative;
}

.meta-info span:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 12px;
    background-color: var(--border-color);
}

.meta-info i {
    margin-right: 8px;
    color: var(--primary);
    opacity: 0.8;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .meta-info {
        flex-direction: column;
        gap: 8px;
    }

    .card-container {
        padding: 20px 15px;
    }
}