/* 英雄/轮播区域 */
.hero-section { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background-color: #cbd5e1; }
.hero-section a { display: block; width: 100%; height: 100%; }
.hero-img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(0,0,0,0.8), transparent); padding: 16px; padding-bottom: 28px; }
.hero-title { color: #ffffff; font-size: 14px; font-weight: 500; }

/* Swiper 分页器自定义 */
.hero-section .swiper-pagination-bullet { background: rgba(255,255,255,0.6); opacity: 1; }
.hero-section .swiper-pagination-bullet-active { background: #ffffff; width: 16px; border-radius: 4px; transition: width 0.3s; }
.hero-section .swiper-pagination { bottom: 10px !important; }

/* 通用区块标题栏 */
.section-title-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.section-title { font-size: 18px; font-weight: 700; color: #1e3a8a; border-left: 4px solid #2563eb; padding-left: 12px; }
.more-link { font-size: 12px; color: #94a3b8; }

/* 2列格栅布局 */
.feature-grid-section { padding: 16px; }
.grid-2col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }

/* 新闻卡片 */
.news-card { background-color: #ffffff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); border: 1px solid #f1f5f9; }
.news-card a { display: block; }
.news-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.news-card-body { padding: 8px; }
.news-title { font-size: 12px; font-weight: 700; line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-date { font-size: 10px; color: #94a3b8; margin-top: 4px; }

/* 创作者区域 */
.creators-section { background-color: #ffffff; padding: 24px 0; }
.creators-scroll { display: flex; overflow-x: auto; gap: 16px; padding: 0 16px 16px 16px; -ms-overflow-style: none; scrollbar-width: none; }
.creators-scroll::-webkit-scrollbar { display: none; }
.expert-card { flex-shrink: 0; width: 96px; text-align: center; display: block; }
.avatar-wrapper { width: 80px; height: 80px; margin: 0 auto 8px auto; border-radius: 50%; border: 2px solid #dbeafe; padding: 4px; }
.avatar-wrapper img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.expert-name { font-size: 14px; font-weight: 700; }
.expert-title { font-size: 10px; color: #64748b; }

/* 展播活动区域 */
.exhibition-section { padding: 16px; }
.featured-activity { margin-bottom: 16px; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); position: relative; }
.featured-activity a { display: block; }
.featured-activity img { width: 100%; height: 192px; object-fit: cover; }
.featured-body { padding: 12px; background-color: #ffffff; }
.featured-title { font-weight: 700; font-size: 14px; }
.featured-author { font-size: 12px; color: #64748b; margin-top: 4px; }
.activity-thumb-card { background-color: #ffffff; padding: 8px; border-radius: 4px; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); border: 1px solid #f1f5f9; }
.activity-thumb-card a { display: block; }
.activity-thumb-card img { width: 100%; border-radius: 4px; margin-bottom: 8px; }
.activity-thumb-title { font-size: 12px; font-weight: 500; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }

/* 合作单位区域 (3列格栅) */
.partners-section { background-color: #ffffff; padding: 16px; }
.grid-3col { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.partner-logo {border: 1px solid #f1f5f9; display: flex; align-items: center; justify-content: center; padding: 8px; }
.partner-logo a { display: block; width: 100%; }

/* 青少计划列表 */
.youth-section { padding: 16px; background-color: #f8fafc; }
.youth-list { display: flex; flex-direction: column; gap: 16px; }
.youth-card { display: flex; background-color: #ffffff; padding: 12px; border-radius: 8px; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.youth-card > a { display: block; margin-right: 12px; flex-shrink: 0; }
.youth-card img { width: 96px; height: 64px; object-fit: cover; border-radius: 4px; }
.youth-card-info { flex: 1; }
.youth-card-title { font-size: 14px; font-weight: 700; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.youth-card-desc { font-size: 10px; color: #94a3b8; margin-top: 4px; }

/* 宣传Banner区域 */
.promo-section { padding: 16px; }
.promo-section img { width: 100%; border-radius: 8px; }