/* =========================
   下载详情
========================= */

.download-detail-card {
    padding: 24px;
}

.download-detail-header {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.download-file-icon {
    flex: 0 0 64px;
    height: 64px;
    border-radius: 10px;
    background: #f2f6ff;
    color: #1f6feb;
    font-size: 15px;
    font-weight: 700;
    line-height: 64px;
    text-align: center;
}

.download-title-box {
    flex: 1;
    min-width: 0;
}

.download-title-box h1 {
    margin: 0 0 10px 0;
    font-size: 28px;
    line-height: 1.4;
    color: #222;
}

.download-title-box p {
    margin: 0;
    color: #666;
    line-height: 1.8;
}

.download-meta-box {
    margin-top: 24px;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.download-meta-row {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid #f5f5f5;
    font-size: 14px;
}

.download-meta-row:last-child {
    border-bottom: none;
}

.download-meta-row span {
    color: #888;
}

.download-meta-row strong {
    color: #333;
    font-weight: 500;
    word-break: break-all;
}

.download-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.download-content-card {
    margin-top: 18px;
    padding: 24px;
}

.download-content-card h2 {
    margin: 0 0 16px 0;
    font-size: 20px;
}


/* =========================
   手机适配
========================= */

@media (max-width: 768px) {

    .download-detail-card {
        padding: 18px;
    }

    .download-detail-header {
        gap: 14px;
    }

    .download-file-icon {
        flex-basis: 52px;
        height: 52px;
        line-height: 52px;
        font-size: 13px;
    }

    .download-title-box h1 {
        font-size: 22px;
    }

    .download-meta-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .download-actions {
        flex-direction: column;
    }

    .download-actions .btn {
        width: 100%;
    }

    .download-content-card {
        padding: 18px;
    }

}

/* =========================
   下载详情页两栏对齐
========================= */

.detail-layout {
    align-items: flex-start;
}

.detail-main,
.detail-sidebar {
    margin-top: 0;
}

.detail-sidebar {
    padding-top: 0;
}

.detail-sidebar > *:first-child {
    margin-top: 0;
}

.detail-main > *:first-child {
    margin-top: 0;
}

/* 右侧 feedback / relations 卡片间距统一 */
.detail-sidebar > div {
    margin-bottom: 12px;
}

/* 防止组件自身带顶部间距 */
#pageFeedbackContainer,
#relationsContainer {
    margin-top: 0;
}

#pageFeedbackContainer > *:first-child,
#relationsContainer > *:first-child {
    margin-top: 0;
}

/* =========================
   下载详情页面包屑间距调整
========================= */

.detail-page .breadcrumb {
    margin-bottom: 6px !important;
    padding-bottom: 0;
    line-height: 1.4;
}

.detail-page .detail-layout {
    margin-top: 0 !important;
    padding-top: 0;
}

.detail-page .detail-main,
.detail-page .detail-sidebar {
    margin-top: 0;
    padding-top: 0;
}

/* 防止左侧第一张卡片自身向下留空 */
.detail-page .detail-main > .card:first-child,
.detail-page .detail-sidebar > *:first-child {
    margin-top: 0 !important;
}