/* 内页 Banner 背景：复用品牌活动栏目背景 images/brand.jpg（与品牌活动列表页一致） */



        /* ===== 活动详情：标题区 ===== */

        .article-head { margin-bottom: 22px; }

        .article-cat {

            display: inline-block;

            color: #fff;

            background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));

            padding: 4px 12px;

            border-radius: 4px;

            font-size: 13px;

            letter-spacing: 0.5px;

            margin-bottom: 14px;

        }

        .article-title { font-size: 28px; font-weight: 700; color: var(--text-primary); line-height: 1.45; }

        .article-meta {

            display: flex; flex-wrap: wrap; align-items: center; gap: 16px;

            margin-top: 16px; padding-bottom: 18px;

            border-bottom: 1px solid var(--border-color);

            color: var(--text-muted); font-size: 14px;

        }

        .article-meta .sep { width: 1px; height: 13px; background: var(--border-color); }



        /* 封面：与首页/列表页同比例 636×380，不变形 */

        .article-cover {

            margin: 26px 0;

            border-radius: var(--radius-md);

            overflow: hidden;

            aspect-ratio: 636 / 380;

            background: linear-gradient(135deg, #0a326c 0%, #14529c 60%, #4fa3ff 100%);

        }

        .article-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

        .article-cover + .prose { margin-top: 0; }



        /* ===== 左侧：活动信息卡（事件详情专属，替换新闻侧栏） ===== */

        .act-info {

            position: sticky; top: 110px;

            background: var(--bg-white); border: 1px solid var(--border-color);

            border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm);

        }

        .act-info-head {

            background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));

            color: #fff; padding: 18px 22px; font-size: 17px; font-weight: 700;

            display: flex; align-items: center; gap: 10px;

        }

        .act-info-head svg { width: 20px; height: 20px; }

        .act-info-list { padding: 6px 22px 4px; }

        .act-info-item {

            display: flex; gap: 12px; align-items: flex-start;

            padding: 14px 0; border-bottom: 1px dashed var(--border-color);

        }

        .act-info-item:last-of-type { border-bottom: none; }

        .act-info-ico {

            flex-shrink: 0; width: 34px; height: 34px; border-radius: 9px;

            background: var(--light-blue); color: var(--primary-blue);

            display: flex; align-items: center; justify-content: center;

        }

        .act-info-ico svg { width: 18px; height: 18px; }

        .act-info-body { min-width: 0; }

        .act-info-label { font-size: 12.5px; color: var(--text-muted); }

        .act-info-value { font-size: 14.5px; color: var(--text-primary); font-weight: 600; margin-top: 2px; line-height: 1.5; }

        .act-info-cta {

            padding: 18px 22px 22px;

        }

        .btn-apply {

            display: flex; align-items: center; justify-content: center; gap: 8px;

            width: 100%; padding: 13px 0; border-radius: 999px; text-decoration: none;

            background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue)); color: #fff;

            font-size: 15px; font-weight: 600; transition: var(--transition);

        }

        .btn-apply:hover { box-shadow: 0 10px 28px rgba(13,71,161,.35); transform: translateY(-2px); }

        .act-info-tel {

            margin-top: 14px; text-align: center; font-size: 13px; color: var(--text-muted);

        }

        .act-info-tel a { color: var(--primary-blue); text-decoration: none; font-weight: 600; }



        /* ===== 大会议程时间轴 ===== */

        .agenda { margin: 8px 0 8px; }

        .agenda-title {

            font-size: 19px; font-weight: 700; color: var(--text-primary);

            margin: 34px 0 20px; padding-left: 14px; position: relative;

        }

        .agenda-title::before {

            content: ''; position: absolute; left: 0; top: 3px; width: 4px; height: 20px;

            background: linear-gradient(180deg, var(--primary-blue), var(--accent-blue)); border-radius: 2px;

        }

        .agenda-list { position: relative; padding-left: 26px; }

        .agenda-list::before {

            content: ''; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px;

            background: var(--border-color);

        }

        .agenda-item { position: relative; padding: 0 0 22px; }

        .agenda-item::before {

            content: ''; position: absolute; left: -23px; top: 4px; width: 12px; height: 12px;

            border-radius: 50%; background: #fff; border: 3px solid var(--accent-blue);

        }

        .agenda-time { font-size: 13.5px; font-weight: 700; color: var(--primary-blue); }

        .agenda-topic { font-size: 15.5px; color: var(--text-primary); font-weight: 600; margin-top: 4px; line-height: 1.6; }

        .agenda-desc { font-size: 14px; color: var(--text-secondary); margin-top: 3px; line-height: 1.7; }



        /* ===== 大会议程下的亮点卡片 ===== */

        .highlight-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 12px; }

        .highlight-card {

            background: var(--bg-light); border: 1px solid var(--border-color);

            border-radius: var(--radius-md); padding: 20px 22px;

        }

        .highlight-card h4 { font-size: 15.5px; color: var(--primary-blue); display: flex; align-items: center; gap: 8px; }

        .highlight-card h4 svg { width: 18px; height: 18px; }

        .highlight-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; margin-top: 8px; }



        /* ===== 详情页内报名 CTA 条 ===== */

        .detail-cta {

            margin-top: 38px;

            background: linear-gradient(135deg, rgba(7,42,92,.04), rgba(20,82,156,.06));

            border: 1px solid var(--border-color); border-radius: var(--radius-md);

            padding: 26px 28px; display: flex; align-items: center; justify-content: space-between;

            gap: 20px; flex-wrap: wrap;

        }

        .detail-cta-text h3 { font-size: 18px; color: var(--text-primary); }

        .detail-cta-text p { font-size: 14px; color: var(--text-secondary); margin-top: 6px; line-height: 1.7; }

        .detail-cta-btns { display: flex; gap: 12px; flex-wrap: wrap; }

        .detail-cta-btns a {

            padding: 11px 24px; border-radius: 999px; text-decoration: none; font-size: 14.5px; font-weight: 600; transition: var(--transition);

        }

        .btn-solid { background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue)); color: #fff; }

        .btn-solid:hover { box-shadow: 0 8px 24px rgba(13,71,161,.3); transform: translateY(-2px); }

        .btn-line { border: 1px solid var(--accent-blue); color: var(--primary-blue); }

        .btn-line:hover { background: var(--light-blue); }



        /* ===== 上下篇导航（这里作为上一活动 / 下一活动） ===== */

        .article-nav {

            display: flex; justify-content: space-between; gap: 16px;

            margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--border-color);

        }

        .article-nav a {

            color: var(--text-secondary); text-decoration: none; font-size: 14px; line-height: 1.6;

            transition: var(--transition); width: 48%;

            display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden;

        }

        .article-nav a:hover { color: var(--primary-blue); }

        .article-nav .label { color: var(--text-muted); font-size: 13px; display: block; margin-bottom: 6px; }

        .article-nav .next { text-align: right; margin-left: auto; }



        @media (max-width: 560px) {

            .article-title { font-size: 22px; }

            .highlight-grid { grid-template-columns: 1fr; }

            .article-nav { flex-direction: column; }

            .article-nav a { width: 100%; }

            .article-nav .next { text-align: left; margin-left: 0; }

            .detail-cta { flex-direction: column; align-items: flex-start; }

        }



        /* ===== 底部：相关活动（复用大卡组件，636×380 同比例） ===== */

        .related { margin-top: 48px; }

        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 22px; }

        .related-hint { display: none; }

        .news-card {

            display: flex; flex-direction: column; background: var(--bg-white);

            border: 1px solid var(--border-color); border-radius: var(--radius-md);

            overflow: hidden; text-decoration: none; transition: var(--transition); box-shadow: var(--shadow-sm);

        }

        .news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--accent-blue); }

        .news-card-img {

            position: relative; aspect-ratio: 636 / 380; overflow: hidden;

            background: linear-gradient(135deg, #0a326c, #4fa3ff);

        }

        .news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.55s ease; }

        .news-card:hover .news-card-img img { transform: scale(1.07); }

        .news-card-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }

        .news-card-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); }

        .news-card-cat {

            color: #fff; background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));

            padding: 3px 11px; border-radius: 4px; font-size: 12px;

        }

        .news-card-date { display: inline-flex; align-items: center; gap: 5px; }

        .news-card-title {

            font-size: 17px; font-weight: 700; color: var(--text-primary); line-height: 1.5;

            display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; transition: color 0.2s ease;

        }

        .news-card:hover .news-card-title { color: var(--primary-blue); }

        .news-card-excerpt {

            font-size: 14px; color: var(--text-secondary); line-height: 1.8;

            display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; margin-top: auto;

        }



        @media (max-width: 980px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }

        @media (max-width: 560px) {

            .related {

                margin-left: calc(-1 * var(--container-px, 18px));

                margin-right: calc(-1 * var(--container-px, 18px)); margin-top: 40px;

            }

            .related .panel-title { padding-left: var(--container-px, 18px); padding-right: var(--container-px, 18px); }

            .related-grid {

                display: flex; grid-template-columns: none; gap: 14px;

                overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;

                padding: 0 var(--container-px, 18px) 6px; scrollbar-width: none;

            }

            .related-grid::-webkit-scrollbar { display: none; }

            .related-grid .news-card { flex: 0 0 78%; scroll-snap-align: start; }

            .related-hint { display: block; margin-top: 14px; padding: 0 var(--container-px, 18px); font-size: 13px; color: var(--text-muted); text-align: center; letter-spacing: 1px; }

        }



        /* ===== 移动端：隐藏左侧活动信息卡，并防止图片撑开正文宽度 ===== */
        @media (max-width: 980px) {
            .brand-page .act-info {
                display: none;
            }
            .brand-page .inner-layout {
                display: block;
            }
            .brand-page .subcontent {
                min-width: 0;
                width: 100%;
            }
            .brand-page .article-cover,
            .brand-page .news-card-img {
                width: 100%;
                max-width: 100%;
            }
            /* 仅约束正文区内的图片，避免影响页头/页脚 LOGO、二维码等 */
            .brand-page .subcontent img {
                max-width: 100%;
            }
        }