/* ============ 集团门户专用 ============ */
.portal-body .hero-inner { min-height: 620px; }
.portal-body .hero h1 { letter-spacing: .12em; }
.hero-filmstrip { position: absolute; left: 0; right: 0; bottom: 0; height: 16px; z-index: 3; opacity: .5;
  background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.7) 0 12px, transparent 12px 26px);
  mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent); }

/* 数字条 */
.stat-band { background: var(--deep); color: #fff; padding: 46px 0; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-item { text-align: center; border-right: 1px solid rgba(255,255,255,.12); }
.stat-item:last-child { border-right: 0; }
.stat-num { font: 400 clamp(30px, 3.6vw, 46px)/1.2 var(--serif); color: #fff; letter-spacing: .04em; }
.stat-num em { font-style: normal; color: var(--accent2); }
.stat-label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 8px; letter-spacing: .1em; }

/* 关于 */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-visual { position: relative; }
.about-visual img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.about-visual::after { content: ""; position: absolute; left: -18px; bottom: -18px; width: 130px; height: 130px; border-left: 4px solid var(--red); border-bottom: 4px solid var(--red); z-index: -1; }
.about-points { margin-top: 28px; display: grid; gap: 14px; }
.about-point { display: flex; gap: 14px; align-items: flex-start; padding-bottom: 14px; border-bottom: 1px dashed var(--line); }
.about-point b { font: 400 26px/1 var(--serif); color: var(--red); min-width: 42px; }
.about-point span { font-size: 14px; color: var(--ink-2); }

/* 项目卡片 */
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card { position: relative; display: block; overflow: hidden; min-height: 430px; color: #fff; background: var(--deep); }
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .72; transition: transform .7s, opacity .5s; }
.project-card:hover img { transform: scale(1.08); opacity: .5; }
.project-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.05) 20%, rgba(0,0,0,.88) 100%); }
.project-inner { position: absolute; inset: 0; z-index: 2; padding: 30px; display: flex; flex-direction: column; justify-content: flex-end; }
.project-no { position: absolute; top: 24px; left: 28px; font: 400 46px/1 var(--serif); color: rgba(255,255,255,.35); }
.project-card h3 { font-size: 25px; letter-spacing: .06em; margin-bottom: 8px; }
.project-card .en { font-size: 11px; color: rgba(255,255,255,.6); display: block; margin-bottom: 14px; }
.project-card p { font-size: 13px; color: rgba(255,255,255,.8); line-height: 1.8; min-height: 46px; }
.project-go { margin-top: 20px; display: inline-flex; align-items: center; gap: 10px; font-size: 13px; border-top: 1px solid rgba(255,255,255,.4); padding-top: 12px; }
.project-go::after { content: "→"; transition: transform .3s; }
.project-card:hover .project-go::after { transform: translateX(8px); }
.project-accent { position: absolute; top: 0; left: 0; right: 0; height: 4px; z-index: 3; }

/* 项目详情页行 */
.project-row { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; border-bottom: 1px solid var(--line); padding-bottom: 56px; }
.project-row:nth-child(even) > a { order: 2; }

/* 新闻列表 */
.news-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: 50px; align-items: start; }
.news-feature { position: relative; display: block; overflow: hidden; background: var(--pale); }
.news-feature img { width: 100%; aspect-ratio: 16/10; object-fit: cover; transition: transform .6s; }
.news-feature:hover img { transform: scale(1.04); }
.news-feature .txt { padding: 24px 26px 28px; }
.news-feature h3 { font-size: 21px; margin: 10px 0; }
.news-list { border-top: 1px solid var(--line); }
.news-row { display: grid; grid-template-columns: 78px 1fr auto; gap: 20px; align-items: center; padding: 19px 0; border-bottom: 1px solid var(--line); }
.news-date { text-align: center; border-right: 1px solid var(--line); padding-right: 14px; }
.news-date b { display: block; font: 400 26px/1.1 var(--serif); color: var(--red); }
.news-date span { font-size: 11px; color: var(--ink-3); }
.news-row h3 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.news-row p { font-size: 12px; color: var(--ink-3); }
.news-row .arrow { color: var(--ink-3); font-size: 20px; }

/* CTA */
.cta-band { background: linear-gradient(110deg, var(--deep), #3a1416); color: #fff; padding: 72px 0; position: relative; overflow: hidden; }
.cta-band::before { content: "XY"; position: absolute; right: 4%; top: -60px; font: 400 260px/1 var(--serif); color: rgba(255,255,255,.045); }
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 10px; }
.cta-inner p { color: rgba(255,255,255,.65); }

/* 内页 */
.page-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.info-card { border: 1px solid var(--line); padding: 30px; background: #fff; }
.info-card .ico { width: 44px; height: 44px; display: grid; place-items: center; background: var(--pale); color: var(--red); font: 400 22px var(--serif); margin-bottom: 18px; }
.info-card h3 { font-size: 18px; margin-bottom: 8px; }
.info-card p { font-size: 14px; color: var(--ink-3); }
.article-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.article-item { display: grid; grid-template-columns: 190px 1fr; gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.article-item img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.article-item h3 { font-size: 19px; margin-bottom: 10px; }
.article-item .meta { font-size: 12px; color: var(--ink-3); margin-bottom: 12px; }
.article-item p { font-size: 14px; color: var(--ink-3); line-height: 1.85; }
.article-head { border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 30px; }
.article-head h1 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.45; margin-bottom: 14px; }
.article-cover { width: 100%; max-height: 460px; object-fit: cover; margin-bottom: 34px; }
.cat-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.cat-tabs a { padding: 8px 18px; border: 1px solid var(--line); font-size: 13px; border-radius: var(--radius); }
.cat-tabs a.on, .cat-tabs a:hover { background: var(--red); border-color: var(--red); color: #fff; }

@media (max-width: 860px) {
  .project-row { grid-template-columns: 1fr; gap: 24px; padding-bottom: 40px; }
  .project-row:nth-child(even) > a { order: 0; }
  .project-grid, .news-layout, .about-split, .page-grid-2 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
  .stat-item:nth-child(2) { border-right: 0; }
  .project-card { min-height: 340px; }
  .article-item { grid-template-columns: 120px 1fr; gap: 18px; }
}
@media (max-width: 560px) {
  .article-item { grid-template-columns: 1fr; }
  .article-item img { aspect-ratio: 16/9; }
  .news-row { grid-template-columns: 62px 1fr; }
  .news-row .arrow { display: none; }
}