/*
 * 子主题归档横幅（page-cover 重构）：分类/标签/专题页
 * 标题/描述/子分类水平垂直居中；无图标、无搜索；封面图有则作背景（深色遮罩+白字），
 * 无则纯色块（muted 底），高度一致。配色全走父主题变量，深浅色自适应
 */

.zibll-child-pcover {
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: center;      /* 垂直居中 */
    justify-content: center;  /* 水平居中 */
    border-radius: var(--main-radius);
    background: var(--main-bg-color); /* 兜底背景：父主题卡片背景色，深浅色自动适配 */
    overflow: hidden;
    margin-bottom: 20px;
}
.zibll-child-pcover.has-bg {
    background-size: cover;
    background-position: center;
}
/* 封面图上的深色遮罩，保证白字可读 */
.zibll-child-pcover-mask {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.55));
}
.zibll-child-pcover-con {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 24px 20px;
    text-align: center;
}
.zibll-child-pcover-type {
    font-size: 13px;
    letter-spacing: 6px;
    text-indent: 6px; /* 抵消末字符字距，保持视觉居中 */
    color: var(--muted-2-color);
    margin-bottom: 12px;
}
.zibll-child-pcover-badge {
    display: block;
    margin: 0 auto 14px;
    object-fit: cover;
}
.zibll-child-pcover-title {
    font-size: 26px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--key-color); /* 父主题标题色：浅 #333 / 深 #f8fafc，自动适配 */
}
.zibll-child-pcover-title b {
    font-weight: 600;
}
.zibll-child-pcover-title .icon-spot {
    font-size: 12px;
    font-weight: 400;
}
.zibll-child-pcover-desc {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--muted-2-color);
}
/* 子分类 pills：单行，少时居中、多时横向滚动（不撑高横幅），隐藏滚动条 */
.zibll-child-pcover-subs {
    margin-top: 16px;
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    justify-content: safe center;
    gap: 8px;
    max-width: 100%;
    overflow-x: auto;
    padding: 2px 12px;
    scrollbar-width: none;
}
.zibll-child-pcover-subs::-webkit-scrollbar {
    display: none;
}
.zibll-child-pcover-sub {
    white-space: nowrap;
    flex: 0 0 auto;
}
.zibll-child-pcover-sub {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    background: var(--main-bg-color);
    border: 1px solid var(--main-border-color);
    color: var(--muted-2-color);
    font-size: 13px;
    line-height: 1.6;
}
.zibll-child-pcover-sub:hover {
    color: var(--focus-color);
    border-color: var(--focus-color);
}

/* ==== 有封面图：白字 + 半透明 pills ==== */
.zibll-child-pcover.has-bg .zibll-child-pcover-type {
    color: rgba(255, 255, 255, 0.75);
}
.zibll-child-pcover.has-bg .zibll-child-pcover-badge {
    display: block;
    margin: 0 auto 14px;
    object-fit: cover;
}
.zibll-child-pcover.has-bg .zibll-child-pcover-title .icon-spot {
    color: rgba(255, 255, 255, 0.85);
}
.zibll-child-pcover.has-bg .zibll-child-pcover-desc {
    color: rgba(255, 255, 255, 0.85);
}
.zibll-child-pcover.has-bg .zibll-child-pcover-sub {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
}
.zibll-child-pcover.has-bg .zibll-child-pcover-sub:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

/* ==== 移动端 ≤768px ==== */
@media (max-width: 768px) {
    .zibll-child-pcover {
        min-height: 150px;
        margin-bottom: 15px;
    }
    .zibll-child-pcover-con {
        padding: 18px 14px;
    }
    .zibll-child-pcover-badge {
    display: block;
    margin: 0 auto 14px;
    object-fit: cover;
}
.zibll-child-pcover-title {
        font-size: 20px;
    }
    .zibll-child-pcover-desc {
        font-size: 13px;
    }
}