/* 全站公共页眉页脚：仅负责站点导航与页脚，不覆盖各业务页面内部样式。 */
:root {
  --site-header-height: 72px;
  --site-blue: #2f7fd1;
  --site-blue-deep: #1f63a8;
  --site-blue-soft: #eef6ff;
  --site-ink: #0d1526;
  --site-muted: #5a6b83;
  --site-line: #e4edf7;
  --site-surface: #ffffff;
  --site-alt: #f5f9fe;
  --site-footer: #0d1b2e;
  --site-footer-2: #12233a;
  --site-footer-text: #d8e5f2;
  --site-footer-muted: #91a6bb;
}

header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: block;
  width: 100%;
  min-height: var(--site-header-height);
  padding: 0;
  box-sizing: border-box;
  border: 0;
  border-bottom: 1px solid rgba(212, 226, 240, 0.9);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 28px rgba(18, 50, 90, 0.055);
  color: var(--site-ink);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
}

.site-header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  width: min(100% - 40px, 1220px);
  min-height: var(--site-header-height);
  margin: 0 auto;
  padding: 10px 0;
  box-sizing: border-box;
}

.site-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  min-width: 0;
  color: var(--site-ink);
  text-decoration: none;
  border: 0;
}

.site-brand:hover {
  color: var(--site-ink);
}

.site-brand:focus-visible {
  outline: 2px solid var(--site-blue);
  outline-offset: 4px;
  border-radius: 10px;
}

.site-brand .logo {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border: 1px solid var(--site-line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 5px 16px rgba(22, 52, 86, 0.08);
  overflow: hidden;
}

.site-brand .logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.site-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.site-brand-copy b {
  color: var(--site-ink);
  font-size: 16px;
  font-weight: 760;
  line-height: 1.2;
  letter-spacing: -0.2px;
  white-space: nowrap;
}

.site-brand-copy > span {
  max-width: 365px;
  overflow: hidden;
  color: var(--site-muted);
  font-size: 11.5px;
  font-weight: 400;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  min-width: 0;
  margin: 0;
  padding: 0;
  font-size: 13.5px;
}

.site-home,
.site-link,
.site-menu > summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: #35465d;
  font: inherit;
  font-weight: 560;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.site-home:hover,
.site-home:focus-visible,
.site-link:hover,
.site-link:focus-visible,
.site-menu > summary:hover,
.site-menu > summary:focus-visible,
.site-menu[open] > summary,
.site-menu.is-active-section > summary {
  border-color: #b9d8f5;
  background: var(--site-blue-soft);
  color: var(--site-blue-deep);
  outline: none;
}

.site-menu.is-active-section > summary,
.site-menu[open] > summary {
  box-shadow: inset 0 -2px 0 var(--site-blue);
}

.site-link[aria-current="page"] {
  border-color: #c7def4;
  background: #eaf5ff;
  color: #165b9d;
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--site-blue);
}

.site-menu {
  position: relative;
  flex: 0 0 auto;
}

.site-menu > summary {
  list-style: none;
}

.site-menu > summary::-webkit-details-marker {
  display: none;
}

.site-menu > summary::after {
  content: "";
  width: 6px;
  height: 6px;
  margin: -3px 1px 0 2px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform .18s ease, margin .18s ease;
}

.site-menu[open] > summary::after {
  margin-top: 4px;
  transform: rotate(225deg);
}

.site-menu-list {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 1004;
  display: none;
  width: max-content;
  min-width: 228px;
  max-width: min(300px, calc(100vw - 24px));
  padding: 8px;
  border: 1px solid #dce9f6;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.99);
  box-shadow: 0 20px 54px rgba(9, 32, 58, 0.16);
  transform: translateX(-50%);
}

@media (hover: hover) and (pointer: fine) {
  /* Keep the pointer inside the menu while crossing the 10px visual gap. */
  .site-menu[open]::after {
    content: "";
    position: absolute;
    top: 100%;
    right: -8px;
    left: -8px;
    z-index: 1003;
    height: 12px;
  }
}

.site-menu[open] > .site-menu-list {
  display: grid;
  gap: 3px;
  animation: site-menu-in .16s ease-out both;
}

@keyframes site-menu-in {
  from { opacity: 0; transform: translate(-50%, -5px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.site-menu-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 38px;
  padding: 8px 11px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: #33465d;
  font-size: 13px;
  font-weight: 520;
  line-height: 1.35;
  text-decoration: none;
  white-space: nowrap;
  transition: color .16s ease, background .16s ease, border-color .16s ease;
}

.site-menu-list a:hover,
.site-menu-list a:focus-visible {
  border-color: #c8e0f7;
  background: var(--site-blue-soft);
  color: var(--site-blue-deep);
  outline: none;
}

.site-menu-list a[aria-current="page"] {
  border-color: #c7def4;
  background: #eaf5ff;
  color: #165b9d;
  font-weight: 700;
}

.site-menu-list a[aria-current="page"]::after {
  content: "当前";
  padding: 2px 6px;
  border-radius: 999px;
  background: #d6ebff;
  color: #236caa;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .5px;
}

.site-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  margin-left: 6px;
}

.site-actions > .btn,
.site-actions .acct-btn,
.site-actions .mini,
.site-actions .back-home,
.site-actions .site-auth {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 7px 12px;
  box-sizing: border-box;
  border: 1px solid var(--site-line);
  border-radius: 10px;
  background: #fff;
  color: #33465d;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.site-actions > .btn:hover,
.site-actions > .btn:focus-visible,
.site-actions .acct-btn:hover,
.site-actions .acct-btn:focus-visible,
.site-actions .mini:hover,
.site-actions .mini:focus-visible,
.site-actions .back-home:hover,
.site-actions .back-home:focus-visible,
.site-actions .site-auth:hover,
.site-actions .site-auth:focus-visible {
  border-color: #acd2f3;
  background: var(--site-blue-soft);
  color: var(--site-blue-deep);
  outline: none;
}

.site-actions > .btn.solid,
.site-actions .site-cta,
.site-actions > .btn.primary {
  border-color: var(--site-blue);
  background: var(--site-blue);
  color: #fff;
  box-shadow: 0 7px 16px rgba(47, 127, 209, 0.17);
}

.site-actions > .btn.solid:hover,
.site-actions > .btn.solid:focus-visible,
.site-actions .site-cta:hover,
.site-actions .site-cta:focus-visible,
.site-actions > .btn.primary:hover,
.site-actions > .btn.primary:focus-visible {
  border-color: var(--site-blue-deep);
  background: var(--site-blue-deep);
  color: #fff;
}

.site-header .acct {
  position: relative;
  display: inline-block;
}

.site-header body.credits-mode .acct,
body.credits-mode .site-header .acct {
  display: inline-block;
}

.site-header .acct-btn {
  gap: 7px;
}

.site-header .acct-btn .caret {
  width: 0;
  height: 0;
  border-top: 4px solid currentColor;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
}

.site-header .acct-drop {
  position: absolute;
  top: calc(100% + 9px);
  right: 0;
  z-index: 1005;
  min-width: 196px;
  padding: 8px;
  border: 1px solid #dce9f6;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 18px 46px rgba(9, 32, 58, 0.15);
}

.site-header .back-home {
  display: none;
}

body.view-code .site-header .back-home {
  display: inline-flex;
}

.site-header #btnSetTop {
  display: none;
}

body:not(.credits-mode) .site-header #btnSetTop {
  display: inline-flex;
}

/* 首页的代码工作台仍使用全站页脚，页眉与页脚保持一致。 */
body.view-code footer.site-footer {
  display: block;
}

/* 首页代码工作台的三栏高度跟随新的公共页眉高度。 */
@media (min-width: 981px) {
  body.view-code .layout {
    height: calc(100vh - var(--site-header-height));
  }
}

/* 合规页的打印工具栏位于公共页眉下方，避免两个 sticky 元素互相遮挡。 */
.site-header + .toolbar {
  top: calc(var(--site-header-height) + 1px);
}

footer.site-footer {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: none;
  margin: 72px 0 0;
  padding: 54px 0 28px;
  border: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(58, 139, 220, 0.18), transparent 31%),
    linear-gradient(145deg, var(--site-footer), #091522 72%);
  color: var(--site-footer-text);
  text-align: left;
  box-sizing: border-box;
}

.site-footer-inner {
  width: min(100% - 40px, 1180px);
  margin: 0 auto;
}

.site-footer-main {
  display: grid;
  grid-template-columns: minmax(230px, 0.9fr) minmax(0, 2.2fr);
  gap: 56px;
  align-items: start;
}

.site-footer-brand {
  min-width: 0;
}

.site-footer-brand .logo {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.site-footer-brand .logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-footer-brand b {
  display: block;
  color: #fff;
  font-size: 17px;
  font-weight: 720;
  letter-spacing: .1px;
}

.site-footer-brand p {
  margin: 8px 0 0;
  color: #bacde0;
  font-size: 13px;
  line-height: 1.65;
}

.site-footer-brand span {
  display: block;
  margin-top: 5px;
  color: var(--site-footer-muted);
  font-size: 12px;
  line-height: 1.65;
}

.site-footer-columns {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 22px;
}

.site-footer-column {
  min-width: 0;
}

.site-footer-column b {
  display: block;
  margin-bottom: 13px;
  color: #f4f9ff;
  font-size: 13px;
  font-weight: 680;
  letter-spacing: .2px;
}

.site-footer-column a {
  display: block;
  width: fit-content;
  margin: 8px 0;
  color: var(--site-footer-muted);
  font-size: 12.5px;
  line-height: 1.55;
  text-decoration: none;
  border: 0;
  transition: color .18s ease;
}

.site-footer-column a:hover,
.site-footer-column a:focus-visible {
  color: #9bd0ff;
  outline: none;
}

.site-footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin-top: 34px;
  padding: 20px 0;
  border-top: 1px solid rgba(190, 216, 240, 0.14);
  border-bottom: 1px solid rgba(190, 216, 240, 0.14);
  color: #aabfd3;
  font-size: 12.5px;
  line-height: 1.7;
}

.site-footer-contact a {
  color: #d7e9f9;
  text-decoration: none;
  border: 0;
}

.site-footer-contact a:hover,
.site-footer-contact a:focus-visible {
  color: #9bd0ff;
  outline: none;
}

.site-footer-record {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px 15px;
  margin-top: 18px;
  color: var(--site-footer-muted);
  font-size: 11.5px;
  line-height: 1.7;
}

.site-footer-record a {
  color: #b9ccde;
  text-decoration: none;
  border: 0;
}

.site-footer-record a:hover,
.site-footer-record a:focus-visible {
  color: #9bd0ff;
  outline: none;
}

.site-footer-record .site-record-police {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.site-footer-record .site-record-police img {
  display: block;
  flex: none;
  width: 18px;
  height: 20px;
  object-fit: contain;
}

.site-footer-risk {
  max-width: 1040px;
  margin: 20px 0 0;
  color: #91a6bb;
  font-size: 11.5px;
  line-height: 1.85;
}

.site-footer-copy {
  margin: 15px 0 0;
  color: #6e859c;
  font-size: 10.5px;
  line-height: 1.6;
}

@media (max-width: 1080px) {
  .site-header-inner {
    gap: 14px;
  }

  .site-brand-copy > span {
    max-width: 240px;
  }

  .site-nav {
    gap: 2px;
  }

  .site-home,
  .site-link,
  .site-menu > summary {
    padding-inline: 8px;
    font-size: 13px;
  }

  .site-actions .mini {
    padding-inline: 9px;
  }

  .site-footer-main {
    grid-template-columns: minmax(210px, .75fr) minmax(0, 2fr);
    gap: 34px;
  }
}

@media (max-width: 900px) {
  :root {
    --site-header-height: 118px;
  }

  .site-header-inner {
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 16px;
    padding: 9px 0;
  }

  .site-brand {
    flex: 1 1 auto;
  }

  .site-brand-copy > span {
    max-width: min(52vw, 330px);
  }

  .site-nav {
    flex: 1 1 100%;
    justify-content: flex-start;
    order: 2;
  }

  .site-menu {
    flex: 1 1 0;
  }

  .site-menu > summary,
  .site-home {
    width: 100%;
    box-sizing: border-box;
  }

  .site-actions {
    margin-left: auto;
  }

  .site-actions .back-home,
  .site-actions #btnSetTop,
  .site-actions .mini {
    display: none !important;
  }

  .site-footer-main {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .site-footer-brand {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    column-gap: 14px;
    align-items: center;
  }

  .site-footer-brand .logo {
    grid-row: 1 / span 3;
    margin: 0;
  }

  .site-footer-brand p,
  .site-footer-brand span {
    margin-top: 3px;
  }
}

@media (min-width: 701px) and (max-width: 900px) {
  .site-menu-list {
    right: 0;
    left: auto;
    transform: none;
  }

  .site-menu[open] > .site-menu-list {
    animation: none;
  }
}

@media (max-width: 700px) {
  :root {
    --site-header-height: 122px;
  }

  .site-header-inner,
  .site-footer-inner {
    width: min(100% - 24px, 1220px);
  }

  .site-header-inner {
    gap: 7px 10px;
    padding: 8px 0 9px;
  }

  .site-brand .logo {
    width: 37px;
    height: 37px;
    border-radius: 10px;
  }

  .site-brand-copy b {
    font-size: 14.5px;
  }

  .site-brand-copy > span {
    max-width: 47vw;
    font-size: 10.5px;
  }

  .site-actions {
    gap: 5px;
  }

  .site-actions > .btn,
  .site-actions .site-auth,
  .site-actions .acct-btn {
    min-height: 33px;
    padding: 6px 9px;
    border-radius: 9px;
    font-size: 11.5px;
  }

  .site-actions .site-cta {
    padding-inline: 10px;
  }

  .site-nav {
    gap: 2px;
  }

  .site-home,
  .site-link,
  .site-menu > summary {
    min-height: 35px;
    padding: 6px 3px;
    border-radius: 8px;
    font-size: 11.5px;
  }

  .site-menu > summary::after {
    margin-left: 0;
  }

  .site-menu-list {
    position: absolute;
    top: calc(100% + 4px);
    right: 12px;
    left: 12px;
    width: auto;
    max-width: none;
    transform: none;
    padding: 7px;
  }

  .site-menu {
    position: static;
  }

  .site-menu[open] > .site-menu-list {
    animation-name: site-menu-in-mobile;
  }

  @keyframes site-menu-in-mobile {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .site-menu-list a {
    min-height: 40px;
    padding: 9px 11px;
    font-size: 13px;
  }

  .site-header .acct-drop {
    position: absolute;
    top: calc(100% + 4px);
    right: 12px;
    left: 12px;
    min-width: 0;
  }

  .site-header .acct {
    position: static;
  }

  .site-header + .toolbar {
    top: calc(var(--site-header-height) + 1px);
  }

  footer.site-footer {
    margin-top: 52px;
    padding: 40px 0 24px;
  }

  .site-footer-brand {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .site-footer-brand .logo {
    width: 42px;
    height: 42px;
  }

  .site-footer-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 25px 22px;
  }

  .site-footer-column a {
    margin: 7px 0;
  }

  .site-footer-contact {
    margin-top: 27px;
    padding: 17px 0;
    gap: 6px 18px;
  }

  .site-footer-record {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
    margin-top: 16px;
  }
}

@media (max-width: 430px) {
  .site-brand-copy > span {
    display: none;
  }

  .site-actions .site-auth {
    display: none;
  }

  .site-home,
  .site-link,
  .site-menu > summary {
    font-size: 11px;
  }

  .site-menu > summary::after {
    width: 5px;
    height: 5px;
  }

  .site-home,
  .site-link,
  .site-menu > summary {
    padding-inline: 2px;
    font-size: 10.5px;
  }

  .site-menu > summary::after {
    margin-left: 0;
  }

  .site-footer-columns {
    grid-template-columns: 1fr 1fr;
    gap: 22px 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-menu[open] > .site-menu-list {
    animation: none;
  }
}

@media print {
  .site-header,
  .site-footer {
    display: none !important;
  }
}