/* ============================================================
   inner.css — 内页（列表 / 详情 / 视频）专用样式
   ============================================================ */

/* 面包屑 */
.breadcrumb {
  position: relative; display: flex; align-items: center; gap: 8px;
  background: var(--blue); color: #fff; height: 46px; padding: 0 22px;
  margin-bottom: 30px; font-size: .95rem; box-shadow: 0 3px 12px rgba(1, 82, 147, 0.18);
}
.breadcrumb::before { content: ""; position: absolute; right: 100%; top: 0; bottom: 0; width: 100vw; background: var(--blue); }
.breadcrumb::after { content: ""; position: absolute; right: -12px; top: 0; bottom: 0; width: 12px; background: var(--blue); clip-path: polygon(0 0, 100% 0, 0 100%); }
.breadcrumb a { color: #fff; transition: opacity .2s; }
.breadcrumb a:hover { opacity: .82; text-decoration: none; }
.breadcrumb .sep { margin: 0 4px; color: rgba(255, 255, 255, 0.55); }
.breadcrumb .cur { color: rgba(255, 255, 255, 0.92); }

/* 内页主体：左侧栏目导航 + 右侧内容 */
.inner-wrap { display: flex; gap: 32px; align-items: flex-start; padding: 40px 0 56px; }
.side-nav { flex-shrink: 0; width: 220px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.side-nav .sn-head { background: var(--navy); color: #fff; font-size: 1.05rem; font-weight: 600; padding: 14px 18px; position: relative; }
.side-nav .sn-head::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: 0; height: 2px; background: rgba(255, 255, 255, 0.25); }
.side-nav .sn-menu li a { display: block; padding: 12px 18px; font-size: .92rem; color: var(--ink); border-bottom: 1px solid #f0f0f0; transition: all .2s; }
.side-nav .sn-menu li a:hover { color: var(--link-hover); background: var(--blue-pale); padding-left: 24px; }
.side-nav .sn-menu li.active a { color: var(--blue); font-weight: 700; background: var(--blue-pale); border-left: 3px solid var(--blue); }

/* 右侧内容面板 */
.page-con { flex: 1; min-width: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 30px; }
.page-title { display: flex; align-items: flex-end; justify-content: space-between; border-bottom: 2px solid var(--blue); padding-bottom: 12px; margin-bottom: 18px; }
.page-title h1 { font-size: 1.35rem; color: var(--navy); }
.page-title .pt-en { font-size: .72rem; color: rgba(0, 0, 0, 0.25); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 4px; }

/* 分页 */
.pager { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; margin-top: 26px; }
.pager a, .pager span {
  min-width: 40px; height: 40px; line-height: 38px; padding: 0 14px; margin: 0 4px; box-sizing: border-box;
  border: 1px solid #dfe1e4; border-radius: 3px; font-size: .875rem; color: #66635f; text-align: center; transition: all .3s ease-in-out;
}
.pager a:hover { border-color: var(--blue); color: var(--link-hover); }
.pager .cur { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 600; }
.pager .info { border: none; color: #999; margin-right: 8px; }

/* 文章列表（列表页） */
.tz-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 26px; }
.tz-list li { min-width: 0; }
.tz-list li a {
  position: relative; display: flex; align-items: center; height: 100%;
  padding: 16px 18px; background: #f4f6fa; border-radius: 8px;
  transition: background-color .25s, box-shadow .25s, transform .25s;
}
.tz-list li a:hover { background: #fff; box-shadow: var(--shadow); transform: translateY(-2px); }
.tz-list .tz-date {
  flex-shrink: 0; width: 60px; height: 54px; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: linear-gradient(145deg, rgba(1, 82, 147, 0.12), rgba(1, 82, 147, 0.04)); border-radius: 6px; font-family: Arial, Helvetica, sans-serif;
}
.tz-list .tz-date b { font-size: 1.5rem; line-height: 1.05; color: var(--blue); font-weight: 700; }
.tz-list .tz-date em { font-style: normal; font-size: .72rem; color: #9ca3af; margin-top: 3px; }
.tz-list .tz-tit {
  flex: 1; min-width: 0; margin-left: 16px; font-size: 1.0625rem; color: #323232; line-height: 1.55;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; transition: color .25s;
}
.tz-list li a:hover .tz-tit { color: var(--link-hover); }
.tz-list .tz-play {
  flex-shrink: 0; width: 60px; height: 54px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, rgba(1, 82, 147, 0.12), rgba(1, 82, 147, 0.04)); border-radius: 6px; color: var(--blue); transition: transform .25s, background-color .25s;
}
.tz-list li a:hover .tz-play { transform: scale(1.06); background: rgba(1, 82, 147, 0.16); }
.tz-list .tz-play svg { width: 22px; height: 22px; margin-left: 2px; }

/* 文章详情 */
.ar-article .ar-title { font-size: 1.8rem; color: #323232; font-weight: 700; line-height: 1.5; margin-bottom: 1rem; }
.ar-article .ar-meta { display: flex; flex-wrap: wrap; gap: 6px 28px; color: #999; font-size: .875rem; line-height: 2.1875rem; margin-bottom: 4px; }
.ar-article .ar-meta span { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); }
.ar-article .ar-meta svg { width: 15px; height: 15px; stroke: #b3b3b3; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ar-article .ar-line { border: none; border-top: 1px solid #e5e5e5; margin: 0 0 1.5rem; }
.ar-article .ar-content { font-size: 1.125rem; color: #323232; line-height: 2.375rem; }
.ar-article .ar-content p { margin-bottom: .75rem; }
.ar-article .ar-content p.q { font-weight: 700; color: var(--navy); }
.ar-article .ar-content p.note { color: var(--blue); font-weight: 600; }
.ar-article .ar-content img { max-width: 100%; height: auto; margin: 10px auto; }
.ar-article .ar-content p.pic { text-align: center; }
.ar-article .ar-pn { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid #e5e5e5; }
.ar-article .ar-pn a { display: block; font-size: .95rem; color: #323232; line-height: 2.1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .2s; }
.ar-article .ar-pn a:hover { color: var(--link-hover); }
.ar-article .ar-pn a span { color: var(--blue); font-weight: 600; margin-right: 6px; }

/* 视频详情 */
.video-player { width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: var(--radius); overflow: hidden; margin-bottom: 18px; }
.video-player video { width: 100%; height: 100%; object-fit: contain; }

/* 视频列表（视频页网格） */
.video-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px 24px; margin-bottom: 30px; }
.video-grid li { min-width: 0; }
.video-grid a { display: block; text-align: center; }
.video-grid .vg-img { position: relative; border-radius: 8px; overflow: hidden; background: #eef1f6; aspect-ratio: 1.618 / 1; }
.video-grid .vg-img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.video-grid a:hover .vg-img img { transform: scale(1.06); }
.video-grid .vg-play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(10, 42, 90, 0.16); transition: background-color .3s; }
.video-grid .vg-play svg { width: 54px; height: 54px; padding: 11px; box-sizing: border-box; border-radius: 50%; background: rgba(255, 255, 255, 0.92); color: var(--blue); box-shadow: 0 4px 16px rgba(10, 42, 90, 0.28); transition: transform .3s, background-color .3s, color .3s; }
.video-grid a:hover .vg-play svg { transform: scale(1.12); background: var(--blue); color: #fff; }
.video-grid .vg-tit { display: block; margin-top: 12px; font-size: 1rem; color: #323232; line-height: 1.6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .3s; }
.video-grid a:hover .vg-tit { color: var(--link-hover); }