* { box-sizing: border-box; }
  body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--text-1); background: linear-gradient(180deg, #f7fafc, #f0fafd); --publish-rail-inset: 0px; /* 展会与资讯栏对齐检索区域的外边框。 */ }
  a { color: inherit; text-decoration: none; }
  .container { width: min(1280px, calc(100vw - 48px)); margin: 0 auto; }
  .nav { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.92); border-bottom: 1px solid rgba(148,163,184,.18); backdrop-filter: blur(14px); }
  .nav-inner {
    min-height: 76px;
    display: grid;
    grid-template-columns: 260px minmax(420px, 1fr) 300px;
    align-items: center;
    gap: 20px;
    padding: 14px 0;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    width: 260px;
  }
  .logo-mark { width: 42px; height: 42px; border-radius: 12px; background: #fff; border: 1px solid rgba(148, 163, 184, .18); display: grid; place-items: center; overflow: hidden; box-shadow: 0 14px 28px rgba(0,172,235,.12); }
  .logo-mark img { width: 78%; height: 78%; object-fit: contain; display: block; }
  .logo-copy strong { display: block; font-size: 16px; }
  .logo-copy span { display: block; font-size: 12px; color: var(--text-3); }
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    justify-content: center;
    min-width: 0;
  }
  .nav-menu a { position: relative; padding: 8px 0; font-size: 14px; color: var(--text-2); white-space: nowrap; }
  .nav-menu a.active { color: var(--primary); font-weight: 600; }
  .nav-menu a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px; border-radius: 999px; background: linear-gradient(90deg, #00aceb, #6fd4f4); }
  .nav-note {
    width: 300px;
    justify-self: end;
    text-align: right;
    font-size: 12px;
    color: var(--text-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .publish-hero { padding: 24px 0 14px; }
  .search-shell { border-radius: 24px; padding: 28px; background: linear-gradient(135deg, #071120, #112741 55%, #0b3b59); box-shadow: 0 24px 70px rgba(7,17,31,.18); color: #f8fafc; }
  .search-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 16px; }
  .search-head h1 { margin: 0 0 8px; font-size: 34px; line-height: 1.1; }
  .search-head p { margin: 0; max-width: 760px; color: rgba(226,232,240,.78); font-size: 14px; line-height: 1.8; }
  .source-count { flex: 0 0 auto; display: inline-flex; align-items: center; height: 34px; padding: 0 12px; border-radius: 999px; background: rgba(255,255,255,.1); color: #d6f0fa; font-size: 12px; border: 1px solid rgba(255,255,255,.12); }
  .news-search { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 132px; gap: 12px; padding: 10px; border-radius: 18px; background: rgba(255,255,255,.95); }
  .news-search input { width: 100%; border: 0; outline: 0; height: 46px; padding: 0 14px; border-radius: 12px; background: #f0fafd; color: var(--text-1); font-size: 14px; }
  .news-search button { border: 0; border-radius: 12px; background: linear-gradient(135deg, #00aceb, #6fd4f4); color: #002e3d; font-weight: 700; cursor: pointer; }
  .news-search-status { min-height: 18px; margin: 8px 2px 0; color: rgba(219,234,254,.82); font-size: 12px; line-height: 1.55; }
  .news-search-suggest {
    position: absolute;
    top: calc(100% + 6px);
    left: 10px;
    right: 10px;
    z-index: 200;
    margin: 0;
    padding: 6px 0;
    list-style: none;
    border-radius: 14px;
    background: rgba(255,255,255,.98);
    border: 1px solid rgba(148,163,184,.22);
    box-shadow: 0 18px 46px rgba(15,23,42,.12);
    backdrop-filter: blur(12px);
  }
  .news-search-suggest[hidden] { display: none; }
  .news-search-suggest li {
    padding: 10px 14px;
    font-size: 13px;
    color: var(--text-1);
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .news-search-suggest li:hover,
  .news-search-suggest li:focus {
    background: rgba(0,172,235,.08);
    outline: 0;
  }
  .rule-strip { display: none; }
  /* ===== 展会区：PC 一行 3 张等高卡片，单卡三层（标题层/描述层/标签层） ===== */
  .expo-strip { padding: 4px var(--publish-rail-inset) 16px; }
  .expo-strip-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; padding: 0 0 12px; }
  .expo-strip-head h2 { margin: 0; font-size: 20px; }
  .expo-strip-head p { margin: 0; font-size: 13px; color: var(--text-3); }
  .expo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
  /* Grid 默认拉伸：三张卡片描述长短不一时整卡等高，标签层通过 margin-top 对齐底部。 */
  .expo-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 16px 18px 14px;
    border-radius: 18px;
    background: rgba(255,255,255,.9);
    border: 1px solid rgba(148,163,184,.18);
    box-shadow: 0 14px 34px rgba(15,23,42,.05);
  }
  /* 第一层：月份（固定宽）+ 标题（两行截断）+ 官网入口（轻量靠右） */
  .expo-card-head {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
  }
  .expo-month {
    width: 52px;
    height: 52px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg,#00aceb,#6fd4f4);
    color: #fff;
    line-height: 1;
  }
  .expo-month-num { font-size: 20px; font-weight: 800; }
  .expo-month-unit { font-size: 10px; font-weight: 600; margin-top: 2px; opacity: .9; }
  .expo-title {
    margin: 0;
    min-width: 0;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text-1, #172b44);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    overflow-wrap: anywhere;
  }
  .expo-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-width: max-content;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary, #00aceb);
    text-decoration: none;
    white-space: nowrap;
  }
  .expo-link svg { width: 13px; height: 13px; }
  .expo-link:hover { text-decoration: underline; }
  /* 第二层：描述横跨整卡（与月份最左对齐、与官网入口最右对齐），完整展示不截断 */
  .expo-description { margin-top: 10px; min-width: 0; }
  .expo-description-text {
    margin: 0;
    color: var(--text-2, #526980);
    font-size: 13px;
    line-height: 1.7;
    text-align: justify;
  }
  /* 第三层：时间 → 地址 → 状态标签，允许自然换行，始终贴卡片底部 */
  .expo-meta {
    margin-top: auto;
    padding-top: 12px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
    font-size: 12px;
    color: var(--text-3, #64748b);
    overflow-wrap: anywhere;
  }
  .expo-meta-time { font-weight: 600; color: var(--text-2, #526980); }
  .expo-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(0,172,235,.08);
    color: var(--primary, #00aceb);
    font-size: 11px;
    line-height: 1.6;
    white-space: nowrap;
  }
  .expo-empty {
    grid-column: 1 / -1;
    margin: 0;
    padding: 18px;
    border: 1px solid rgba(148,163,184,.18);
    border-radius: 18px;
    background: rgba(255,255,255,.72);
    color: var(--text-3);
    font-size: 13px;
    text-align: center;
  }
  @media (max-width: 960px) { .expo-grid { grid-template-columns: 1fr; } }
  .news-layout { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; padding: 10px var(--publish-rail-inset) 42px; }
  .news-column { min-width: 0; background: rgba(255,255,255,.94); border: 1px solid rgba(148,163,184,.16); border-radius: 18px; box-shadow: 0 18px 46px rgba(15,23,42,.055); overflow: hidden; display: grid; grid-template-rows: auto minmax(0, 1fr); height: 620px; }
  .column-head { padding: 18px 18px 14px; border-bottom: 1px solid rgba(148,163,184,.14); display: flex; justify-content: space-between; gap: 12px; }
  .column-title { min-width: 0; }
  .column-head h2 { margin: 0 0 6px; font-size: 20px; }
  .column-head p { margin: 0; color: var(--text-3); font-size: 13px; line-height: 1.7; }
  .month-filter { margin-top: 10px; display: inline-grid; grid-template-columns: auto minmax(118px, 1fr); align-items: center; gap: 8px; max-width: 220px; }
  .month-filter span { color: var(--text-3); font-size: 12px; white-space: nowrap; }
  .month-filter select { width: 100%; height: 32px; border: 1px solid rgba(148,163,184,.28); border-radius: 999px; background: #f0fafd; color: var(--text-2); font-size: 12px; outline: 0; padding: 0 28px 0 10px; cursor: pointer; }
  .month-filter select:focus { border-color: rgba(0,172,235,.55); box-shadow: 0 0 0 3px rgba(0,172,235,.1); }
  .timeline {
    position: relative;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    scrollbar-gutter: stable;
    scroll-behavior: auto;
    padding: 16px;
    background: #f0fafd;
  }

  .timeline-track { display: flex; flex-direction: column; gap: 0; min-width: 0; }
  .timeline.is-empty .timeline-track { min-height: 100%; }
  .timeline-track .news-item { margin-bottom: 14px; }
  .timeline-track .news-item:last-child { margin-bottom: 0; }
  .timeline-more { display: none; }

  @media (min-width: 761px) {
    /* PC 端与手机端统一使用栏目内滚动：标题栏固定，所有资讯卡片都可通过鼠标滚轮/拖动滚动查看。 */
    .news-column { display: grid; height: 620px; overflow: hidden; }
    .timeline {
      min-height: 0;
      overflow-x: hidden;
      overflow-y: auto;
      overscroll-behavior: contain;
      -webkit-overflow-scrolling: touch;
      touch-action: pan-y;
      scrollbar-gutter: stable;
    }
    .timeline-more[hidden] { display: none; }
  }
  .news-item { padding: 18px 18px 16px; margin-bottom: 14px; border: 1px solid rgba(148,163,184,.18); border-radius: 18px; background: linear-gradient(180deg,#fff,#f7fcfe); box-shadow: 0 14px 34px rgba(15,23,42,.045); cursor: default; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
  .news-item.can-expand { cursor: pointer; }
  .news-item[data-clone="true"] {
    pointer-events: none;
    user-select: none;
  }
  .news-item[data-clone="true"] .news-summary,
  .news-item[data-clone="true"] strong {
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .news-item[data-clone="true"] strong {
    -webkit-line-clamp: 2;
  }
  .news-item.no-expand { cursor: default; }
  .news-item.no-expand:hover { border-color: rgba(148,163,184,.18); box-shadow: 0 14px 34px rgba(15,23,42,.045); transform: none; }
  .news-item-top { display: flex; align-items: center; justify-content: flex-start; gap: 12px; margin-bottom: 14px; }
  .news-date { color: #00aceb; font-size: 12px; font-weight: 700; letter-spacing: .02em; }
  .news-archive-badge {
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(0, 172, 235, .1);
    color: #087ea8;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .02em;
  }
  /* 展开区只在展开状态出现（hidden 兜底，避免 script 未生效时暴露长文）。 */
  .news-detail[hidden] { display: none; }
  .news-item:not(.expanded) .news-detail { display: none; }
  .news-detail { margin: 0 0 14px; }
  .news-detail p { margin: 0 0 10px; }
  .news-key-facts { margin: 0 0 12px; padding: 10px 12px; border-left: 3px solid rgba(0, 172, 235, .38); border-radius: 0 10px 10px 0; background: rgba(0, 172, 235, .045); color: #2a5f7a; font-size: 12.5px; }
  .news-key-facts > strong { display: block; margin: 0 0 5px; color: #087ea8; font-size: 12px; }
  .news-key-facts ul { margin: 0; padding-left: 18px; }
  .news-key-facts li { margin: 0 0 4px; }
  .news-analysis, .news-uncertainty { color: #2a5f7a; }
  .news-analysis-label, .news-uncertainty-label { font-weight: 700; color: #087ea8; }
  .news-observation {
    padding: 10px 12px;
    border-left: 3px solid rgba(0, 172, 235, .45);
    border-radius: 0 10px 10px 0;
    background: rgba(0, 172, 235, .06);
    color: #2a5f7a;
    font-size: 12.5px;
  }
  .news-observation-label { font-weight: 700; }
  .news-other-sources { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; font-size: 12px; }
  .news-other-label { color: #64748b; font-weight: 600; }
  .news-other-source { color: #2563eb; text-decoration: none; }
  .news-other-source:hover { text-decoration: underline; }
  .news-item strong {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    min-width: 0;
    max-height: 47.4px;
    margin-bottom: 10px;
    font-size: 15px;
    line-height: 1.58;
    overflow: hidden;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  /* 3+7=10 递进：折叠显示正文前 3 行（3/10），展开显示完整正文（7/10），同一段正文生长而非替换 */
  .news-item p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    min-width: 0;
    margin: 0 0 14px;
    color: var(--text-3);
    font-size: 13px;
    line-height: 1.75;
    overflow: hidden;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .news-item.expanded strong {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }
  .news-item.expanded p {
    display: block;
    -webkit-line-clamp: unset;
    -webkit-box-orient: vertical;
    overflow: visible;
    max-height: none;
  }

  .news-source { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; min-width: 0; color: #2a5f7a; font-size: 11px; font-weight: 600; line-height: 1.5; }
  .news-source .source-static, .news-source .source-link { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .news-source .source-static { color: #2a5f7a; }
  .news-source .source-link { color: #2563eb; text-decoration: none; }
  .news-source .source-link:hover { text-decoration: underline; }
  .news-source .news-attribution { flex: 0 0 auto; color: #64748b; font-weight: 600; white-space: nowrap; }
  .news-source .news-attribution::before { content: '·'; margin-right: 4px; color: #b3c1cf; }
  .source-static { cursor: default; }
  .empty-card {
    min-height: 220px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    color: var(--text-3);
    background: linear-gradient(145deg, rgba(255,255,255,.92), rgba(224,245,252,.72));
    border-color: rgba(0, 172, 235, .16);
    box-shadow: none;
  }
  .empty-card-mark {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(0, 172, 235, .12);
    color: #0797cd;
    font-size: 20px;
    font-weight: 700;
  }
  .empty-card strong { margin: 0; color: var(--text-2); font-size: 15px; }
  .empty-card p { max-width: 230px; margin: 0; font-size: 12px; line-height: 1.7; }
  @media (max-width: 1280px) { .news-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 760px) {
    .news-layout { grid-template-columns: 1fr; }
    .news-column { height: 560px; }
    .search-head { align-items: flex-start; flex-direction: column; }
    .timeline-track .news-item { margin-bottom: 10px; }
  }

  @media (max-width: 760px) { .container { width: min(100vw - 28px, 1280px); } .nav-inner { min-height: auto; padding: 16px 0; flex-wrap: wrap; } .nav-menu { width: 100%; justify-content: flex-start; overflow-x: auto; } .nav-note { width: 100%; white-space: normal; } .news-search { grid-template-columns: 1fr; } .news-search button { height: 44px; } .search-shell { padding: 22px; } .column-head { flex-direction: column; } }

  @media (max-width: 960px) {
    .nav-inner {
      grid-template-columns: 1fr;
      align-items: start;
    }
    .logo { width: auto; }
    .nav-menu {
      width: 100%;
      justify-content: flex-start;
      overflow-x: auto;
    }
    .nav-note {
      width: 100%;
      justify-self: start;
      text-align: left;
      white-space: normal;
    }
  }

  /* 展开正文替换过渡：淡出换文淡入，消除文字闪现（2026-09 资讯反馈） */
  .news-summary { transition: opacity .16s ease; }
  .news-summary.is-swapping { opacity: 0; }
  .news-item.is-loading .news-summary { opacity: .6; }