:root { --pc-content-width: 1280px; }
/* 顶部图片 */
.dx-top-image { width: calc(100% - 40px); max-width: var(--pc-content-width, 1280px); margin: 0 auto; background: #fff; }
.dx-top-image img { display: block; width: 100%; height: auto; }

/* 导航：内容区与右侧工具保持在同一容器内，避免工具栏挤出视口 */
.dx-nav { background: #fff; }
.dx-nav a { text-decoration: none; }
.dx-nav-inner { position: relative; width: calc(100% - 40px); max-width: var(--pc-content-width, 1280px); box-sizing: border-box; margin: 0 auto; height: 54px; padding: 0; display: flex; align-items: stretch; }
.dx-nav-menu { flex: 1 1 auto; min-width: 0; margin: 0; padding: 0; list-style: none; display: flex; align-items: stretch; justify-content: space-between; border-bottom: 3px solid #c8c9ce; overflow: visible; }
.dx-nav-menu li { flex: 0 1 auto; min-width: 0; display: flex; align-items: center; }
.dx-nav-menu li a { display: block; min-width: 0; padding: 0 clamp(5px, .7vw, 12px); line-height: 50px; color: #111; font-size: clamp(14px, 1.05vw, 18px); font-weight: bold; letter-spacing: .04em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dx-nav-menu li:first-child a { padding-left: 0; }
.dx-nav-menu li.dx-active a { color: #111; }
.dx-nav-menu li a:hover { color: #e13f38; }

/* 右侧功能区：竖线分隔；前三项（AI/汉堡/登录注册）与菜单同享底部灰粗线 */
.dx-nav-tools { position: relative; z-index: 2; flex: 0 0 auto; display: flex; align-items: stretch; margin-left: auto; }
.dx-tool { display: flex; align-items: center; justify-content: center; padding: 0 12px; color: #111; font: inherit; font-size: 15px; white-space: nowrap; border: 0; border-left: 1px solid #dddee2; background: #fff; cursor: pointer; }
.dx-tool:first-child { border-left: 0; }
.dx-tool-ai, .dx-tool-burger, .dx-tool-login { border-bottom: 3px solid #c8c9ce; }
.dx-tool svg { display: block; }
.dx-tool-ai svg { width: 34px; height: 34px; }
.dx-tool-burger svg { width: 24px; height: 18px; }
.dx-tool-login { display: flex; align-items: center; gap: 6px; padding: 0 12px; background: #e9eaed; }
.dx-tool-login a { color: inherit; }
.dx-tool-login a:hover { color: #e13f38; }
.dx-tool-login .dx-login-sep { color: #999; margin: 0 5px; font-weight: normal; }
.dx-tool:hover { color: #e13f38; }
.dx-search-panel, .dx-nav-dropdown { position: absolute; top: 100%; right: 16px; z-index: 20; box-sizing: border-box; width: min(420px, calc(100vw - 32px)); padding: 16px; border: 1px solid #e1e1e1; background: #fff; box-shadow: 0 8px 24px rgba(0,0,0,.14); }
.dx-search-panel[hidden], .dx-nav-dropdown[hidden] { display: none !important; }
.dx-search-label { display: block; margin-bottom: 8px; color: #333; font-weight: bold; }
.dx-search-panel input { box-sizing: border-box; width: calc(100% - 76px); height: 40px; padding: 0 10px; border: 1px solid #c8c9ce; font: inherit; }
.dx-search-panel button { width: 68px; height: 40px; margin-left: 8px; border: 0; background: #a3231a; color: #fff; cursor: pointer; }
.dx-nav-dropdown ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 16px; margin: 0; padding: 0; list-style: none; }
.dx-nav-dropdown li a { display: block; padding: 10px 8px; color: #222; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dx-nav-dropdown li a:hover { background: #f5f5f5; color: #a3231a; }

@media (max-width: 1450px) {
  .dx-nav-menu li a { padding-right: 8px; padding-left: 8px; }
}
@media (max-width: 1500px) {
  .dx-tool { font-size: 15px; padding: 0 10px; }
  .dx-tool-ai svg { width: 36px; height: 36px; }
  .dx-tool-burger svg { width: 26px; height: 19px; }
}
@media (max-width: 1100px) {
  .dx-nav-menu { display: none; }
  .dx-tool { font-size: 14px; padding: 0 8px; }
  .dx-tool-ai svg { width: 30px; height: 30px; }
}
@media (max-width: 860px) {
  .dx-tool { padding: 0 7px; }
}

/* Only pages using the published decoration opt into the shared desktop layout. */
body.dx-site-page { min-width: 0; padding-top: 0; padding-bottom: 0; }
.dx-site-page .container,
.dx-site-page .link192 .w192 {
    box-sizing: border-box;
    width: calc(100% - 40px);
    max-width: var(--pc-content-width, 1280px);
    padding-left: 0;
    padding-right: 0;
    margin-left: auto;
    margin-right: auto;
}
.dx-site-page .main { box-sizing: border-box; }
.dx-site-page .ct2-mn { width: calc(100% - 290px); min-width: 0; }
.dx-site-page .news-wrap { min-width: 0; }
.dx-site-page .news-content { overflow-wrap: anywhere; }
.dx-site-page .news-content table { max-width: 100%; }
.dx-site-page .link192 { padding-left: 0; padding-right: 0; }
@media (max-width: 767px) {
    .dx-site-page .ct2-mn { width: 100%; }
}