/* ============================================
   首页专用样式（仅首页新增，不重复公共样式）
   ============================================ */

/* 首页主容器变体 */
.home-page {
    padding: 20px 20px 24px;
}

/* 首页区块标题 */
.home-section-title {
    font-size: 20px;
    font-weight: 700;
    margin: 28px 0 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 10px;
}
.home-section-title .bar {
    display: inline-block;
    width: 4px;
    height: 22px;
    background: var(--primary);
    border-radius: 3px;
    flex-shrink: 0;
}
.home-section-title .more-link {
    margin-left: auto;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-muted);
}
.home-section-title .more-link a {
    color: var(--text-muted);
}
.home-section-title .more-link a:hover {
    color: var(--primary);
}

/* ===== 图文卡片网格 ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 6px;
}
.card-item {
    background: var(--bg-body);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s;
    border: 1px solid var(--border-light);
}
.card-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.card-thumb {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: #e8ecf1;
}
.card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}
.card-item:hover .card-thumb img {
    transform: scale(1.05);
}
.card-info {
    padding: 10px 12px 12px;
}
.card-info .card-title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-main);
}
.card-info .card-title:hover {
    color: var(--primary);
}
.card-info .card-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 友情链接独立区块 ===== */
.friend-section {
    margin: 12px auto 24px;  /* 左右 auto 居中 */
    max-width: var(--max-width);
    padding: 0 20px;         /* 左右内边距，与内容对齐 */
}
.friend-section .friend-box {
    background: var(--content-bg);
    border-radius: var(--radius-main);
    padding: 16px 24px 20px;
    border: 1px solid var(--border-light);
}
.friend-section .friend-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 10px;
}
.friend-section .friend-title .bar {
    display: inline-block;
    width: 4px;
    height: 20px;
    background: var(--primary);
    border-radius: 3px;
    flex-shrink: 0;
}
.friend-section .friend-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
    padding: 4px 0;
}
.friend-section .friend-list a {
    font-size: 14px;
    color: var(--text-muted);
    transition: color 0.2s;
}
.friend-section .friend-list a:hover {
    color: var(--primary);
}

/* ===== 首页响应式 ===== */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}
@media (max-width: 640px) {
    .friend-section .friend-box {
        padding: 12px 16px 16px;
    }
    .friend-section .friend-list {
        gap: 6px 16px;
    }
    .friend-section .friend-list a {
        font-size: 13px;
    }
}
@media (max-width: 480px) {
    .card-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .home-page {
        padding: 12px 12px 16px;
    }
}