/* 基础样式重置 */
.ccp-column-container,
.ccp-column-card,
.ccp-post-list,
.ccp-post-item {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 多行分栏容器：核心grid布局，支持自动换行 */
.ccp-column-container {
    display: grid;
    grid-template-columns: repeat(var(--ccp-column-cols, 3), 1fr); /* 每行列数由CSS变量控制 */
    grid-auto-rows: auto; /* 自动适应每行高度，确保同一行分栏高度一致 */
    gap: 1.5rem; /* 分栏之间的间距（行列通用） */
    padding: 2rem 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* 响应式布局调整：根据屏幕宽度动态减少每行列数 */
@media (max-width: 1200px) {
    .ccp-column-container {
        grid-template-columns: repeat(min(var(--ccp-column-cols, 3), 4), 1fr); /* 大屏最多4列 */
    }
}

@media (max-width: 992px) {
    .ccp-column-container {
        grid-template-columns: repeat(min(var(--ccp-column-cols, 3), 3), 1fr); /* 中屏最多3列 */
    }
}

@media (max-width: 768px) {
    .ccp-column-container {
        grid-template-columns: repeat(min(var(--ccp-column-cols, 3), 2), 1fr); /* 平板最多2列 */
        gap: 1.2rem;
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 480px) {
    .ccp-column-container {
        grid-template-columns: 1fr; /* 手机单列显示 */
        gap: 1rem;
        padding: 1rem;
    }
}

/* 分栏卡片样式：确保同一行卡片高度一致 */
.ccp-column-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column; /* 让卡片内容自适应高度 */
}

.ccp-column-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

/* 分栏头部 */
.ccp-column-header {
    padding: 1.5rem 1.75rem;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0; /* 头部不收缩 */
}

.ccp-column-title {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 600;
    color: #1f2937;
    line-height: 1.5;
}

/* 更多按钮 */
.ccp-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    background-color: #3b82f6;
    color: #ffffff;
    border-radius: 24px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.ccp-more-btn:hover {
    background-color: #2563eb;
    color: #ffffff;
    transform: translateX(3px);
}

.ccp-more-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.25s ease;
}

.ccp-more-btn:hover .ccp-more-icon {
    transform: translateX(2px);
}

/* 文章列表：自适应剩余空间 */
.ccp-post-list {
    list-style: none;
    padding: 1.75rem;
    flex-grow: 1; /* 让列表占满卡片剩余高度，确保同一行卡片高度一致 */
}

.ccp-post-item {
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid #f5f5f5;
    transition: all 0.2s ease;
}

.ccp-post-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.ccp-post-link {
    color: #374151;
    text-decoration: none;
    font-size: 1.4rem;
    line-height: 1.7;
    display: block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding-left: 0.75rem;
    position: relative;
}

.ccp-post-link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: #d1d5db;
    transition: background-color 0.3s ease;
}

.ccp-post-link:hover {
    color: #3b82f6;
    padding-left: 1.25rem;
}

.ccp-post-link:hover::before {
    background-color: #3b82f6;
}

/* 无文章提示 */
.ccp-no-posts {
    text-align: center;
    padding: 4rem 2rem;
    color: #6b7280;
    font-size: 1.15rem;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    max-width: 800px;
    margin: 2rem auto;
}

/* 暗黑模式适配 */
@media (prefers-color-scheme: dark) {
    .ccp-column-card {
        background: #1f2937;
    }

    .ccp-column-header {
        background: linear-gradient(135deg, #2d3748 0%, #1e293b 100%);
        border-bottom-color: #374151;
    }

    .ccp-column-title {
        color: #f3f4f6;
    }

    .ccp-post-link {
        color: #e5e7eb;
    }

    .ccp-post-link:hover {
        color: #93c5fd;
    }

    .ccp-post-item {
        border-bottom-color: #374151;
    }

    .ccp-no-posts {
        background-color: #1f2937;
        color: #d1d5db;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
}

/* 小屏幕字体优化 */
@media (max-width: 480px) {
    .ccp-column-title {
        font-size: 1.8rem;
    }
    .ccp-post-link {
        font-size: 1.6rem;
    }
    .ccp-more-btn {
        font-size: 1.3rem;
    }
}