:root:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      --aisitex-ink: #1a2628;
      --aisitex-deep: #122426;
      --aisitex-stage: #172e2d;
      --aisitex-paper: #f3f0e8;
      --aisitex-paper-deep: #e7e2d7;
      --aisitex-copper: #d58a3a;
      --aisitex-copper-light: #f0b76f;
      --aisitex-teal: #2f716b;
      --aisitex-mint: #8ac7b3;
      --aisitex-line: rgba(26, 38, 40, .18);
      --aisitex-white-line: rgba(239, 243, 234, .18);
      --aisitex-muted: #667270;
    }
*:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      box-sizing: border-box;
    }
html:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      scroll-behavior: smooth;
    }
body:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      background: var(--aisitex-paper);
      color: var(--aisitex-ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.7;
    }
a:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: inherit;
    }
button:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), a:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      -webkit-tap-highlight-color: transparent;
    }
:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      outline: 3px solid var(--aisitex-copper);
      outline-offset: 4px;
    }
.aisitex-support-main:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      overflow: hidden;
    }
.aisitex-support-band:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      background: var(--aisitex-copper);
      color: var(--aisitex-deep);
      padding: 11px 24px;
      font-size: 12px;
      letter-spacing: .03em;
    }
.aisitex-support-band-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      gap: 20px;
    }
.aisitex-support-band-label:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      font-weight: 700;
    }
.aisitex-support-band-path:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      opacity: .75;
    }
.aisitex-support-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      background:
        linear-gradient(rgba(23, 46, 45, .95), rgba(23, 46, 45, .95)),
        repeating-linear-gradient(90deg, transparent 0, transparent 79px, rgba(240, 183, 111, .07) 80px),
        repeating-linear-gradient(0deg, transparent 0, transparent 59px, rgba(240, 183, 111, .05) 60px);
      color: #edf0e8;
      padding: 76px 0 82px;
    }
.aisitex-support-hero-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: minmax(260px, .82fr) minmax(440px, 1.18fr);
      gap: clamp(44px, 8vw, 118px);
      align-items: center;
    }
.aisitex-chapter-mark:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--aisitex-copper-light);
      font-size: 11px;
      letter-spacing: .13em;
      text-transform: uppercase;
      font-weight: 700;
    }
.aisitex-chapter-mark:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
      content: "";
      display: block;
      width: 28px;
      height: 1px;
      background: currentColor;
    }
.aisitex-support-hero h1:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 560px;
      margin: 20px 0 18px;
      color: var(--aisitex-copper-light);
      font-family: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
      font-size: clamp(40px, 5vw, 70px);
      line-height: 1.12;
      font-weight: 500;
      letter-spacing: 0;
    }
.aisitex-support-hero-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 470px;
      margin: 0;
      color: rgba(237, 240, 232, .76);
      font-size: 16px;
    }
.aisitex-support-map:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      min-height: 300px;
      padding: 32px;
      border: 1px solid var(--aisitex-white-line);
      background: rgba(10, 27, 28, .38);
    }
.aisitex-support-map:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
      content: "";
      position: absolute;
      left: 51px;
      top: 74px;
      bottom: 74px;
      width: 1px;
      background: linear-gradient(var(--aisitex-copper), var(--aisitex-mint));
      opacity: .8;
    }
.aisitex-map-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      margin: 0 0 24px 52px;
      color: rgba(237, 240, 232, .56);
      font-size: 11px;
      letter-spacing: .12em;
      text-transform: uppercase;
    }
.aisitex-map-node:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      display: grid;
      grid-template-columns: 39px 1fr auto;
      gap: 14px;
      align-items: center;
      min-height: 62px;
      border-top: 1px solid var(--aisitex-white-line);
    }
.aisitex-map-node:last-child:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-bottom: 1px solid var(--aisitex-white-line);
    }
.aisitex-map-dot:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      z-index: 1;
      width: 10px;
      height: 10px;
      margin-left: 15px;
      border-radius: 50%;
      background: var(--aisitex-mint);
      box-shadow: 0 0 0 5px rgba(138, 199, 179, .12);
    }
.aisitex-map-node:first-of-type .aisitex-map-dot:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      background: var(--aisitex-copper-light);
    }
.aisitex-map-name:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      font-size: 15px;
    }
.aisitex-map-detail:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: rgba(237, 240, 232, .55);
      font-size: 12px;
      white-space: nowrap;
    }
.aisitex-support-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
      padding: 92px 0;
    }
.aisitex-support-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: .6fr 1.4fr;
      gap: 40px;
      align-items: end;
      margin-bottom: 42px;
    }
.aisitex-support-section-number:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-teal);
      font-size: 12px;
      letter-spacing: .14em;
      font-weight: 700;
    }
.aisitex-support-section h2:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      color: var(--aisitex-ink);
      font-family: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.2;
      font-weight: 500;
    }
.aisitex-support-section-intro:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 560px;
      margin: 14px 0 0;
      color: var(--aisitex-muted);
    }
.aisitex-route-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-top: 1px solid var(--aisitex-line);
    }
.aisitex-route-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: 80px minmax(180px, .9fr) minmax(220px, 1.1fr) auto;
      gap: 22px;
      align-items: center;
      min-height: 92px;
      padding: 16px 0;
      border-bottom: 1px solid var(--aisitex-line);
      transition: background .2s ease, padding .2s ease;
    }
.aisitex-route-item:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding-left: 14px;
      padding-right: 14px;
      background: rgba(47, 113, 107, .07);
    }
.aisitex-route-index:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-copper);
      font-family: Georgia, serif;
      font-size: 25px;
    }
.aisitex-route-problem:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      font-weight: 700;
    }
.aisitex-route-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-text-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-route-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      justify-self: end;
      color: var(--aisitex-teal);
      font-size: 13px;
      font-weight: 700;
      text-decoration: none;
      white-space: nowrap;
    }
.aisitex-text-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after, 
    .aisitex-route-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after {
      content: "  →";
      color: var(--aisitex-copper);
    }
.aisitex-install-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: 100%;
      background: var(--aisitex-paper-deep);
    }
.aisitex-install-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
      padding: 92px 0 100px;
    }
.aisitex-install-layout:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: minmax(250px, .72fr) minmax(420px, 1.28fr);
      gap: clamp(45px, 9vw, 130px);
      align-items: start;
    }
.aisitex-install-lead:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: sticky;
      top: 30px;
    }
.aisitex-install-lead p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 340px;
      margin: 18px 0 0;
      color: var(--aisitex-muted);
    }
.aisitex-install-steps:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-left: 1px solid var(--aisitex-teal);
    }
.aisitex-install-step:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      display: grid;
      grid-template-columns: 70px 1fr;
      gap: 22px;
      min-height: 116px;
      padding: 0 0 28px 28px;
    }
.aisitex-install-step:last-child:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      min-height: 0;
      padding-bottom: 0;
    }
.aisitex-install-step:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
      content: "";
      position: absolute;
      left: -5px;
      top: 5px;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--aisitex-paper-deep);
      border: 2px solid var(--aisitex-teal);
    }
.aisitex-install-step-number:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-copper);
      font-family: Georgia, serif;
      font-size: 22px;
      line-height: 1.2;
    }
.aisitex-install-step h3:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0 0 6px;
      font-size: 17px;
      line-height: 1.35;
    }
.aisitex-install-step p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 430px;
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-issue-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
      padding: 94px 0 105px;
    }
.aisitex-issue-table:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-top: 2px solid var(--aisitex-ink);
    }
.aisitex-issue-row:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: minmax(150px, .65fr) minmax(220px, 1.1fr) minmax(220px, 1.25fr) 100px;
      gap: 24px;
      align-items: start;
      padding: 24px 0;
      border-bottom: 1px solid var(--aisitex-line);
    }
.aisitex-issue-row.is-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding: 12px 0;
      color: var(--aisitex-muted);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .05em;
    }
.aisitex-issue-name:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      font-weight: 700;
    }
.aisitex-issue-check:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-issue-next:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-issue-status:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      justify-self: end;
      color: var(--aisitex-teal);
      font-size: 12px;
      white-space: nowrap;
    }
.aisitex-issue-status:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
      content: "";
      display: inline-block;
      width: 7px;
      height: 7px;
      margin-right: 7px;
      border-radius: 50%;
      background: var(--aisitex-teal);
      vertical-align: 1px;
    }
.aisitex-support-exits:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      background: var(--aisitex-deep);
      color: #edf0e8;
      padding: 76px 0 82px;
    }
.aisitex-support-exits-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 70px;
      align-items: end;
    }
.aisitex-support-exits h2:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 390px;
      margin: 16px 0 0;
      color: var(--aisitex-copper-light);
      font-family: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.2;
      font-weight: 500;
    }
.aisitex-support-exits-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 420px;
      margin: 18px 0 0;
      color: rgba(237, 240, 232, .65);
    }
.aisitex-exit-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      gap: 10px;
    }
.aisitex-exit-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      justify-content: space-between;
      align-items: center;
      min-height: 58px;
      padding: 0 18px;
      border: 1px solid rgba(240, 183, 111, .3);
      color: var(--aisitex-copper-light);
      text-decoration: none;
      transition: background .2s ease, color .2s ease, transform .2s ease;
    }
.aisitex-exit-link:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      background: var(--aisitex-copper-light);
      color: var(--aisitex-deep);
      transform: translateX(5px);
    }
.aisitex-exit-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after {
      content: "↗";
      font-size: 19px;
    }
.aisitex-exit-link.is-secondary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-mint);
      border-color: rgba(138, 199, 179, .3);
    }
.aisitex-exit-link.is-secondary:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      background: var(--aisitex-mint);
      color: var(--aisitex-deep);
    }
.aisitex-exit-link.is-text:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-color: transparent;
      padding-left: 0;
      justify-content: flex-start;
      gap: 16px;
      color: rgba(237, 240, 232, .62);
    }
.aisitex-exit-link.is-text:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      background: transparent;
      color: var(--aisitex-copper-light);
      transform: translateX(0);
    }
.aisitex-footer-note:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      text-align: right;
    }
@media (max-width: 820px) {.aisitex-support-band-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-support-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-install-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-issue-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-support-exits-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        width: min(100% - 32px, 620px);
      }
.aisitex-support-band-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
      }
.aisitex-support-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        padding: 56px 0 60px;
      }
.aisitex-support-hero-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-install-layout:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-support-exits-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-template-columns: 1fr;
        gap: 42px;
      }
.aisitex-support-map:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        min-height: 0;
      }
.aisitex-install-lead:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        position: static;
      }
.aisitex-support-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-install-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-issue-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        padding-top: 64px;
        padding-bottom: 70px;
      }
.aisitex-support-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
        margin-bottom: 30px;
      }
.aisitex-support-section-number:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
        margin-bottom: 12px;
      }
.aisitex-route-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-template-columns: 48px 1fr auto;
        gap: 12px;
        min-height: 0;
        padding: 18px 0;
      }
.aisitex-route-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-column: 2 / 4;
        margin-top: -8px;
      }
.aisitex-route-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-column: 3;
        grid-row: 1;
      }
.aisitex-issue-row.is-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: none;
      }
.aisitex-issue-row:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-template-columns: 1fr auto;
        gap: 10px 18px;
        padding: 22px 0;
      }
.aisitex-issue-check:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-issue-next:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-column: 1 / 3;
      }
.aisitex-issue-status:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-column: 2;
        grid-row: 1;
      }
.aisitex-footer-note:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        text-align: left;
      }}
@media (max-width: 480px) {.aisitex-support-hero h1:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        font-size: 39px;
      }
.aisitex-support-map:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        padding: 22px 18px;
      }
.aisitex-support-map:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
        left: 37px;
      }
.aisitex-map-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-left: 38px;
      }
.aisitex-map-node:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-template-columns: 28px 1fr;
      }
.aisitex-map-dot:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-left: 10px;
      }
.aisitex-map-detail:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-column: 2;
        margin-top: -15px;
        padding-bottom: 10px;
        white-space: normal;
      }
.aisitex-route-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-template-columns: 38px 1fr;
      }
.aisitex-route-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-column: 2;
        grid-row: auto;
        justify-self: start;
      }
.aisitex-route-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-column: 2;
      }
.aisitex-install-step:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-template-columns: 52px 1fr;
        gap: 10px;
        padding-left: 20px;
      }}
@media (prefers-reduced-motion: reduce) {html:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        scroll-behavior: auto;
      }
*:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), 
      *:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before, 
      *:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
      }}

.aisitex-site-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: #1a2628;
}

.aisitex-site-header, .aisitex-site-header *, .aisitex-site-header::before, .aisitex-site-header *::before, .aisitex-site-header::after, .aisitex-site-header *::after{
      box-sizing: border-box;
    }

.aisitex-site-header a{
      color: inherit;
    }

.aisitex-site-header a:focus-visible{
      outline: 3px solid #d58a3a;
      outline-offset: 4px;
    }

.aisitex-site-header{
      position: relative;
      z-index: 2;
      color: #1a2628;
      background: #d58a3a;
      border-bottom: 1px solid rgba(26, 38, 40, 0.2);
    }

.aisitex-site-header .aisitex-header-inner{
      width: min(1320px, 100%);
      min-height: 70px;
      margin: 0 auto;
      padding: 0 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

.aisitex-site-header .aisitex-wordmark{
      display: inline-flex;
      align-items: center;
      gap: 13px;
      flex: 0 0 auto;
      color: inherit;
      text-decoration: none;
    }

.aisitex-site-header .aisitex-wordmark-name{
      font-family: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
      font-size: 25px;
      font-weight: 700;
      line-height: 1;
    }

.aisitex-site-header .aisitex-wordmark-note{
      padding-left: 13px;
      border-left: 1px solid rgba(26, 38, 40, 0.42);
      font-size: 11px;
      line-height: 1.35;
      letter-spacing: 0;
    }

.aisitex-site-header .aisitex-primary-nav{
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
    }

.aisitex-site-header .aisitex-nav-link{
      min-height: 40px;
      padding: 9px 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid transparent;
      border-radius: 2px;
      color: inherit;
      font-size: 13px;
      text-decoration: none;
      transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
    }

.aisitex-site-header .aisitex-nav-link:hover, .aisitex-site-header .aisitex-nav-link:focus-visible{
      border-color: rgba(26, 38, 40, 0.45);
      background: rgba(255, 253, 248, 0.18);
    }

.aisitex-site-header .aisitex-nav-link.active{
      color: #fffdf8;
      background: #1a2628;
    }

.aisitex-site-header .aisitex-nav-link.active:hover{
      background: #263533;
    }

@media (max-width: 900px){.aisitex-site-header .aisitex-header-inner{
        padding-right: 24px;
        padding-left: 24px;
        gap: 16px;
      }}

@media (max-width: 680px){.aisitex-site-header .aisitex-header-inner{
        padding: 15px 18px 13px;
        align-items: flex-start;
        flex-direction: column;
        gap: 13px;
      }

.aisitex-site-header .aisitex-wordmark-note{
        font-size: 10px;
      }

.aisitex-site-header .aisitex-primary-nav{
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 4px;
      }

.aisitex-site-header .aisitex-nav-link{
        min-height: 37px;
        padding: 8px 10px;
        font-size: 12px;
      }}

@media (prefers-reduced-motion: reduce){.aisitex-site-header, .aisitex-site-header *, .aisitex-site-header::before, .aisitex-site-header *::before, .aisitex-site-header::after, .aisitex-site-header *::after{
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
      }}

.aisitex-site-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: #1a2628;
}

.aisitex-site-footer, .aisitex-site-footer *, .aisitex-site-footer::before, .aisitex-site-footer *::before, .aisitex-site-footer::after, .aisitex-site-footer *::after{
      box-sizing: border-box;
    }

.aisitex-site-footer a{
      color: inherit;
    }

.aisitex-site-footer a:focus-visible{
      outline: 3px solid #d58a3a;
      outline-offset: 4px;
    }

.aisitex-site-footer{
      color: #d0d8d3;
      background: #14201e;
    }

.aisitex-site-footer .aisitex-footer-inner{
      width: min(1320px, 100%);
      min-height: 82px;
      margin: 0 auto;
      padding: 20px 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

.aisitex-site-footer .aisitex-footer-brand{
      color: #fffdf8;
      font-family: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
      font-size: 17px;
      font-weight: 700;
      text-decoration: none;
    }

.aisitex-site-footer .aisitex-footer-nav{
      display: flex;
      flex-wrap: wrap;
      gap: 8px 20px;
    }

.aisitex-site-footer .aisitex-footer-link{
      color: #bac5bf;
      font-size: 11px;
      text-decoration: none;
    }

.aisitex-site-footer .aisitex-footer-link:hover{
      color: #f0b76f;
    }

@media (max-width: 900px){.aisitex-site-footer .aisitex-footer-inner{
        padding-right: 24px;
        padding-left: 24px;
      }}

@media (max-width: 680px){.aisitex-site-footer .aisitex-footer-inner{
        padding: 19px;
        align-items: flex-start;
        flex-direction: column;
        gap: 13px;
      }

.aisitex-site-footer .aisitex-footer-nav{
        gap: 8px 15px;
      }}

@media (prefers-reduced-motion: reduce){.aisitex-site-footer, .aisitex-site-footer *, .aisitex-site-footer::before, .aisitex-site-footer *::before, .aisitex-site-footer::after, .aisitex-site-footer *::after{
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
      }}


/* Unified dark official visual system */
:root {
  color-scheme: dark;
  --aisitex-dark-bg: #0b1118;
  --aisitex-dark-surface: #111a24;
  --aisitex-dark-surface-raised: #172331;
  --aisitex-dark-line: #283544;
  --aisitex-dark-text: #e6edf3;
  --aisitex-dark-muted: #9aa8b7;
  --aisitex-dark-blue: #2563eb;
  --aisitex-dark-blue-hover: #3b82f6;
}
html, body {
  background: var(--aisitex-dark-bg) !important;
  color: var(--aisitex-dark-text) !important;
}
body {
  -webkit-font-smoothing: antialiased;
}
header, footer, nav,
[class*="site-header"], [class*="header-shell"], [class*="nav-shell"], [class*="header-inner"] {
  background-color: #0d141d !important;
  color: var(--aisitex-dark-text) !important;
  border-color: var(--aisitex-dark-line) !important;
}
main, section, article, aside, form, details, fieldset {
  border-color: var(--aisitex-dark-line) !important;
}
[class*="hero"], [class*="section"], [class*="card"], [class*="panel"],
[class*="strip"], [class*="shell"], [class*="route"], [class*="feature"],
[class*="step"], [class*="support"], [class*="content"], [class*="table"],
[class*="choice"], [class*="map"], [class*="result"], [class*="intro"],
[class*="closing"], [class*="next"], [class*="task"], [class*="path"],
[class*="comparison"], [class*="flow"], [class*="evidence"] {
  background-color: var(--aisitex-dark-surface) !important;
  color: var(--aisitex-dark-text) !important;
  border-color: var(--aisitex-dark-line) !important;
}
h1, h2, h3, h4, h5, h6 {
  color: #f5f7fa !important;
}
p, li, label, summary, dt, dd {
  color: #c8d1dc;
}
[class*="muted"], [class*="meta"], [class*="caption"], [class*="description"],
[class*="lead"], [class*="copy"], [class*="eyebrow"], [class*="kicker"], [class*="note"] {
  color: var(--aisitex-dark-muted) !important;
}
a {
  color: #bfdbfe;
}
main a:not([class*="primary"]):not([class*="submit"]):not([class*="cta"]):not([class*="button"]) {
  color: #93c5fd;
}
input, textarea, select {
  background: #0f1720 !important;
  color: #f3f4f6 !important;
  border-color: #334155 !important;
}
input::placeholder, textarea::placeholder {
  color: #718096 !important;
}
a[class*="primary"], button[class*="primary"],
[class*="submit"], [class*="cta"], .aisitex-register-cta {
  background: var(--aisitex-dark-blue) !important;
  color: #ffffff !important;
  border-color: var(--aisitex-dark-blue-hover) !important;
  box-shadow: 0 10px 24px rgba(37, 99, 235, .28) !important;
}
a[class*="primary"]:hover, button[class*="primary"]:hover,
[class*="submit"]:hover, [class*="cta"]:hover, .aisitex-register-cta:hover,
a[class*="primary"]:focus-visible, button[class*="primary"]:focus-visible,
[class*="submit"]:focus-visible, [class*="cta"]:focus-visible, .aisitex-register-cta:focus-visible {
  background: var(--aisitex-dark-blue-hover) !important;
}
a[class*="secondary"], button[class*="secondary"], [class*="ghost"], [class*="quiet"],
[class*="text-link"], [class*="secondary-link"] {
  background: var(--aisitex-dark-surface-raised) !important;
  color: #dbeafe !important;
  border-color: #3a4a5d !important;
}
button:not([class*="toggle"]):not([class*="menu"]):not([class*="nav"]):not([class*="visibility"]) {
  border-color: var(--aisitex-dark-line);
  color: #dbeafe;
}
hr {
  border-color: var(--aisitex-dark-line) !important;
}


/* Prominent registration entry point */
.aisitex-register-cta {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 48px;
  padding: .8rem 1.35rem !important;
  border-radius: 8px;
  background: #2563eb !important;
  border: 1px solid #3b82f6 !important;
  color: #fff !important;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(37, 99, 235, .28) !important;
  text-decoration: none !important;
}
.aisitex-register-cta:hover,
.aisitex-register-cta:focus-visible {
  background: #3b82f6 !important;
  color: #fff !important;
  transform: translateY(-1px);
}
/* Navigation registration control sizing */
.aisitex-nav .aisitex-nav-register,.aisitex-main-nav .aisitex-nav-register,.aisitex-primary-nav .aisitex-nav-register,.aisitex-primary-menu .aisitex-nav-register{display:inline-flex!important;align-items:center;justify-content:center;min-height:38px!important;padding:7px 13px!important;border-radius:6px!important;font-size:14px!important;line-height:1.2!important;white-space:nowrap}
/* Shared official dark palette and accessible registration controls */
:root{color-scheme:dark;--aisitex-dark-bg:#0b1118;--aisitex-dark-surface:#111a24;--aisitex-dark-raised:#172331;--aisitex-dark-line:#283544;--aisitex-dark-text:#e6edf3;--aisitex-dark-muted:#9aa8b7;--aisitex-dark-blue:#2563eb;--aisitex-dark-blue-hover:#3b82f6}
html,body{background:#0b1118!important;color:#e6edf3!important}
header,footer,nav,[class*="site-header"],[class*="nav-shell"],[class*="header-shell"],[class*="header-inner"]{background:#0d141d!important;color:#e6edf3!important;border-color:#283544!important}
main,section,article,aside,form,details,fieldset,[class*="hero"],[class*="section"],[class*="card"],[class*="panel"],[class*="strip"],[class*="route"],[class*="feature"],[class*="step"],[class*="support"],[class*="content"],[class*="choice"],[class*="map"],[class*="result"],[class*="intro"],[class*="closing"],[class*="next"],[class*="task"],[class*="path"],[class*="comparison"],[class*="flow"],[class*="evidence"],[class*="frame"],[class*="visual"],[class*="shot"]{background-color:#111a24!important;color:#e6edf3!important;border-color:#283544!important}
h1,h2,h3,h4,h5,h6{color:#f5f7fa!important}p,li,label,summary,dt,dd{color:#c8d1dc}[class*="muted"],[class*="description"],[class*="lead"],[class*="copy"],[class*="note"],[class*="caption"]{color:#9aa8b7!important}
input,textarea,select{background:#0f1720!important;color:#f3f4f6!important;border-color:#334155!important}input::placeholder,textarea::placeholder{color:#718096!important}
a[class*="primary"],button[class*="primary"],[class*="submit"],[class*="cta"],.aisitex-register-cta{background:#2563eb!important;color:#fff!important;border-color:#3b82f6!important;box-shadow:0 10px 24px #2563eb47!important}
a[class*="primary"]:hover,button[class*="primary"]:hover,[class*="submit"]:hover,[class*="cta"]:hover,.aisitex-register-cta:hover{background:#3b82f6!important}
a[class*="secondary"],button[class*="secondary"],[class*="ghost"],[class*="quiet"],[class*="text-link"],[class*="secondary-link"]{background:#172331!important;color:#dbeafe!important;border-color:#3a4a5d!important}
.aisitex-nav-register{display:inline-flex!important;align-items:center;justify-content:center;min-height:38px!important;padding:7px 13px!important;border-radius:6px!important;font-size:14px!important;line-height:1.2!important;white-space:nowrap;color:#dbeafe!important;background:#172331!important;border:1px solid #3a4a5d}.aisitex-nav-register:hover,.aisitex-nav-register.active{background:#2563eb!important;color:#fff!important}
.aisitex-register-cta{display:inline-flex!important;align-items:center;justify-content:center;min-height:48px;padding:12px 22px!important;border-radius:7px;font-weight:750;text-decoration:none!important}