/* OCR page header: component-only mirror of template/bplot/css/bplot.css.
   Keep the global site header full bleed and cap only its inner .wrap at 1280px. */
#app > #siteHeader.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: none;
  height: 68px;
  margin: 0;
  flex: none;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, box-shadow .25s ease, border-color .25s ease;
}
#app > #siteHeader.site-header.is-solid {
  background: rgba(255, 255, 255, .66);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom-color: rgba(255, 255, 255, .9);
  box-shadow: 0 10px 30px -20px rgba(20, 45, 92, .30);
}
#app > #siteHeader.site-header.is-solid .header-inner { height: 60px; }
#app > #siteHeader.site-header .header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  width: 100%;
  max-width: 1280px;
  height: 68px;
  margin: 0 auto;
  padding: 0 24px;
  transition: height .25s ease;
}
#app > #siteHeader.site-header .brand {
  display: flex;
  flex: none;
  align-items: center;
  gap: 10px;
  color: #0E1729;
  text-decoration: none;
}
#app > #siteHeader.site-header .brand-mark {
  display: block;
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: 8px;
  object-fit: contain;
}
#app > #siteHeader.site-header .brand-text { display: flex; align-items: baseline; gap: 6px; line-height: 1; }
#app > #siteHeader.site-header .brand-text strong { font-size: 19px; letter-spacing: .4px; font-weight: 800; }
#app > #siteHeader.site-header .brand-text em { font-style: normal; font-size: 12px; color: #7A8CA8; letter-spacing: 2px; }
#app > #siteHeader.site-header .nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 0 0 auto;
}
#app > #siteHeader.site-header .nav a {
  position: relative;
  padding: 8px 14px;
  color: #47587A;
  border-radius: 8px;
  font-size: 14.5px;
  line-height: normal;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s ease, background .18s ease;
}
#app > #siteHeader.site-header .nav a:hover,
#app > #siteHeader.site-header .nav a.active { color: #1656D6; background: rgba(47, 123, 255, .08); }
#app > #siteHeader.site-header .nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, #2F7BFF, #22D3EE);
  transform: scaleX(0);
  transform-origin: 50% 50%;
  transition: transform .22s cubic-bezier(.2, .7, .3, 1);
  pointer-events: none;
}
#app > #siteHeader.site-header .nav a:hover::after,
#app > #siteHeader.site-header .nav a.active::after { transform: scaleX(1); }
#app > #siteHeader.site-header .header-actions { display: flex; align-items: center; gap: 10px; flex: none; }
#app > #siteHeader.site-header .header-actions > a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .2px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
#app > #siteHeader.site-header .header-actions > a.btn svg { display: block; width: 18px; height: 18px; flex: none; }
#app > #siteHeader.site-header .header-actions > a.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #3D86FF 0%, #1656D6 100%);
  box-shadow: 0 10px 24px rgba(47, 123, 255, .32);
}
#app > #siteHeader.site-header .header-actions > a.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(47, 123, 255, .42); }
#app > #siteHeader.site-header .header-actions > a.btn-ghost {
  color: #1656D6;
  border-color: rgba(47, 123, 255, .26);
  background: rgba(255, 255, 255, .66);
  box-shadow: inset 0 1px 0 #fff;
}
#app > #siteHeader.site-header .header-actions > a.btn-ghost:hover {
  background: #fff;
  border-color: rgba(47, 123, 255, .48);
  box-shadow: 0 10px 24px -18px rgba(47, 123, 255, .6), inset 0 1px 0 #fff;
}
#app > #siteHeader.site-header .nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  place-items: center;
  color: #0E1729;
  background: transparent;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
#app > #siteHeader.site-header .nav-toggle svg { display: block; width: 22px; height: 22px; }

/* OCR-only controls stay in the shared header action area. */
#app > #siteHeader.site-header #btnToggleSidebar { display: none; }
#app > #siteHeader.site-header .header-help {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 12px;
  color: #5C6C86;
  background: transparent;
  border: 1px solid #E2E9F4;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}
#app > #siteHeader.site-header .header-help:hover { color: #1656D6; background: rgba(47, 123, 255, .08); }

@media (max-width: 1080px) {
  #app > #siteHeader.site-header .nav a { padding: 8px 9px; font-size: 14px; }
  #app > #siteHeader.site-header .header-actions .btn-ghost { display: none; }
}
@media (max-width: 860px) {
  #app > #siteHeader.site-header .nav { display: none; }
  #app > #siteHeader.site-header .nav-toggle { display: grid; }
  #app > #siteHeader.site-header.menu-open { background: rgba(255, 255, 255, .98); }
  #app > #siteHeader.site-header.menu-open .nav {
    display: flex;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 12px 18px 20px;
    background: #fff;
    border-bottom: 1px solid rgba(120, 150, 190, .16);
    box-shadow: 0 24px 44px -26px rgba(20, 45, 92, .38);
  }
  #app > #siteHeader.site-header.menu-open .nav a { padding: 12px 14px; }
  #app > #siteHeader.site-header.menu-open .nav a.active::after { display: none; }
}
@media (max-width: 720px) {
  #app > #siteHeader.site-header .header-inner { padding: 0 18px; }
  #app > #siteHeader.site-header .header-actions { gap: 6px; }
  #app > #siteHeader.site-header .brand-text em { font-size: 11px; letter-spacing: 1px; }
  #app > #siteHeader.site-header .header-help span { display: none; }
  #app > #siteHeader.site-header .header-help { width: 38px; padding: 0; justify-content: center; }
  #app > #siteHeader.site-header #btnToggleSidebar { display: inline-flex; align-items: center; justify-content: center; }
}

/* 统一头部：工作台内强制登录入口尺寸，避免被 #app 内通用 svg 规则放大 */
#app > #siteHeader.site-header .header-auth {
  display: inline-flex;
  text-decoration: none;
  align-items: center;
  gap: 8px;
  height: 40px;
  flex: none;
  white-space: nowrap;
}
#app > #siteHeader.site-header .header-auth-icon {
  width: 34px;
  height: 34px;
  padding: 7px;
  box-sizing: border-box;
  flex: none;
  border-radius: 50%;
  background: #eef4ff;
  color: #2f7bff;
}
@media (max-width: 860px) {
  #app > #siteHeader.site-header .header-auth { gap: 6px; font-size: 13px; }
  #app > #siteHeader.site-header .header-auth-icon { width: 30px; height: 30px; padding: 6px; }
}

/* 与官网头部像素级对齐：统一字体栈与导航行高，消除 LOGO 旁文字与导航项的微差 */
#app > #siteHeader.site-header {
  font-family: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
}
#app > #siteHeader.site-header .nav a { line-height: 1.7; }
#app > #siteHeader.site-header .brand-text { font-family: inherit; }
#app > #siteHeader.site-header .header-auth { line-height: 1.7; }

/* 桌面端隐藏工作台按钮容器，避免 flex gap 造成头部右侧 10px 偏移；移动端再显示 */
body.workbench .header-workbench { display: none; }
@media (max-width: 860px) {
  body.workbench .header-workbench { display: inline-flex; }
}
/* 登录入口与官网同字号、同内边距 */
#app > #siteHeader.site-header .header-auth { font-size: 14px; padding: 0 2px; }

/* ---------- 跨页面头部稳定：滚动条槽位 + 视图过渡 ---------- */
@view-transition { navigation: auto; }
#app > #siteHeader.site-header { view-transition-name: site-header; }
::view-transition-old(site-header),
::view-transition-new(site-header) {
  animation-duration: .18s;
  animation-timing-function: ease;
}
/* 工作台头部首帧即实心，避免过渡时出现透明闪帧（不再依赖 JS 加 is-solid） */
body.workbench #siteHeader.site-header {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, .9);
  box-shadow: 0 10px 30px -20px rgba(20, 45, 92, .30);
}

/* 工作台不预留滚动条槽位：头部按官网（含 9px 槽位）的居中位置对齐，
   保证 LOGO 与导航位置和官网完全一致，同时页面右侧不出现空白条。
   注意选择器特异性必须 >= 基础规则 `#app > #siteHeader.site-header .header-inner`
   （含 #app #siteHeader 两个 ID），否则会被基础规则的 margin:0 auto 覆盖。 */
body.workbench #app > #siteHeader.site-header .header-inner {
  /* 保留基础规则的 width:100% + max-width:1280px（避免变成内容宽度），
     仅覆盖左右外边距，使 LOGO 左偏移与官网（含 9px 滚动条槽位）完全一致。
     下限用 0px 而非 24px：视口 ≤1289 时官网 .wrap 退化为 margin:0，
     工作台须同样 margin:0，否则 1280 等窄屏会整体右移 ~24px。 */
  margin-left: max(0px, calc((100vw - 1289px) / 2));
  margin-right: auto;
}
@media (max-width: 860px) {
  body.workbench #app > #siteHeader.site-header .header-inner {
    margin-left: 0;
    margin-right: 0;
    width: 100%;
  }
}