:root:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      --aisitex-paper: #f5f1e8;
      --aisitex-paper-deep: #eae1d3;
      --aisitex-ink: #1e2528;
      --aisitex-muted: #687076;
      --aisitex-line: #d8d0c3;
      --aisitex-accent: #b84a32;
      --aisitex-accent-dark: #8f3525;
      --aisitex-light: #fff9f1;
      --aisitex-dark-panel: #20252a;
      --aisitex-shadow: rgba(30, 37, 40, .1);
    }
*: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", "Microsoft YaHei", sans-serif;
      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;
    }
.aisitex-download-button:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-text-link:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      outline: 2px solid var(--aisitex-accent);
      outline-offset: 5px;
    }
.aisitex-download-main:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      overflow: hidden;
    }
.aisitex-download-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1320px, calc(100% - 48px));
      min-height: 590px;
      margin: 0 auto;
      padding: 100px 0 112px;
      display: grid;
      grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
      column-gap: clamp(70px, 12vw, 190px);
      align-items: center;
    }
.aisitex-download-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
    }
.aisitex-download-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
      content: "";
      position: absolute;
      top: 3px;
      right: -40px;
      width: 1px;
      height: 248px;
      background: var(--aisitex-line);
    }
.aisitex-eyebrow:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0 0 20px;
      color: var(--aisitex-accent);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .12em;
    }
.aisitex-download-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 390px;
      margin: 0;
      font-family: "Noto Serif SC", "Source Han Serif SC", Songti SC, STSong, serif;
      font-size: clamp(40px, 4.4vw, 62px);
      font-weight: 700;
      letter-spacing: 0;
      line-height: 1.2;
    }
.aisitex-download-lead:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 390px;
      margin: 25px 0 0;
      color: var(--aisitex-muted);
      font-size: 16px;
      line-height: 1.9;
    }
.aisitex-download-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin-top: 36px;
    }
.aisitex-download-button:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      min-width: 178px;
      min-height: 56px;
      padding: 0 23px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 13px;
      border: 1px solid var(--aisitex-accent);
      background: var(--aisitex-accent);
      color: var(--aisitex-light);
      cursor: pointer;
      font: inherit;
      font-size: 15px;
      font-weight: 700;
      text-decoration: none;
      transition: background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }
.aisitex-download-button:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-color: var(--aisitex-accent-dark);
      background: var(--aisitex-accent-dark);
      box-shadow: 7px 7px 0 rgba(184, 74, 50, .14);
      transform: translate(-2px, -2px);
    }
.aisitex-download-button:active:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      transform: translate(0, 1px);
      box-shadow: none;
    }
.aisitex-download-button[aria-disabled="true"]:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-download-button:disabled:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      cursor: wait;
      opacity: .68;
      transform: none;
      box-shadow: none;
    }
.aisitex-download-icon:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: 18px;
      height: 18px;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round;
    }
.aisitex-download-status:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      min-height: 28px;
      margin: 12px 0 0;
      color: var(--aisitex-muted);
      font-size: 13px;
    }
.aisitex-download-status[data-state="success"]:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: #356447;
    }
.aisitex-download-status[data-state="error"]:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-accent-dark);
    }
.aisitex-hero-note:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 22px 0 0;
      color: var(--aisitex-muted);
      font-size: 12px;
    }
.aisitex-hero-space:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      min-height: 260px;
      display: flex;
      align-items: center;
      justify-content: flex-end;
    }
.aisitex-hero-rule:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(100%, 520px);
      height: 1px;
      background: var(--aisitex-line);
    }
.aisitex-preview-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding: 108px 0 120px;
      background: var(--aisitex-paper-deep);
    }
.aisitex-preview-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
    }
.aisitex-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 720px;
      margin-bottom: 58px;
    }
.aisitex-section-heading h2:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      font-family: "Noto Serif SC", "Source Han Serif SC", Songti SC, STSong, serif;
      font-size: clamp(29px, 3.4vw, 46px);
      font-weight: 700;
      line-height: 1.3;
    }
.aisitex-section-heading p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 630px;
      margin: 18px 0 0;
      color: var(--aisitex-muted);
      font-size: 15px;
    }
.aisitex-preview-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      gap: clamp(42px, 8vw, 120px);
      align-items: start;
    }
.aisitex-preview-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      min-width: 0;
    }
.aisitex-preview-item:nth-child(2):not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin-top: 88px;
    }
.aisitex-preview-media:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      padding: 26px 26px 0;
      background: var(--aisitex-dark-panel);
      box-shadow: 15px 20px 0 var(--aisitex-shadow);
    }
.aisitex-preview-media img:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: 100%;
      max-width: 400px;
      height: auto;
      display: block;
      margin: 0 auto;
    }
.aisitex-preview-caption:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding-top: 27px;
    }
.aisitex-preview-caption h3:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      font-family: "Noto Serif SC", "Source Han Serif SC", Songti SC, STSong, serif;
      font-size: 22px;
      line-height: 1.45;
    }
.aisitex-preview-caption p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 450px;
      margin: 11px 0 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-process-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding: 100px 0 112px;
      background: var(--aisitex-paper);
    }
.aisitex-process-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1100px, calc(100% - 48px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: minmax(230px, .7fr) minmax(0, 1.3fr);
      gap: clamp(45px, 9vw, 145px);
    }
.aisitex-process-intro h2:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-troubleshooting h2:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      font-family: "Noto Serif SC", "Source Han Serif SC", Songti SC, STSong, serif;
      font-size: clamp(28px, 3vw, 40px);
      line-height: 1.35;
    }
.aisitex-process-intro p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-troubleshooting > p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 18px 0 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-process-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      margin: 0;
      padding: 0;
      list-style: none;
    }
.aisitex-process-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
      content: "";
      position: absolute;
      top: 18px;
      bottom: 18px;
      left: 17px;
      width: 1px;
      background: var(--aisitex-line);
    }
.aisitex-process-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      display: grid;
      grid-template-columns: 36px minmax(0, 1fr);
      gap: 24px;
      padding-bottom: 38px;
    }
.aisitex-process-item:last-child:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding-bottom: 0;
    }
.aisitex-step-number:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      z-index: 1;
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      background: var(--aisitex-accent);
      color: var(--aisitex-light);
      font-family: Arial, sans-serif;
      font-size: 11px;
      font-weight: 700;
    }
.aisitex-process-item h3:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 4px 0 0;
      font-size: 17px;
      line-height: 1.4;
    }
.aisitex-process-item p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 8px 0 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-troubleshooting:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding: 104px 0 110px;
      background: var(--aisitex-dark-panel);
      color: var(--aisitex-light);
    }
.aisitex-troubleshooting-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1100px, calc(100% - 48px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr);
      gap: clamp(45px, 9vw, 145px);
    }
.aisitex-troubleshooting > .aisitex-troubleshooting-inner p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: #b9bec0;
    }
.aisitex-troubleshooting-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-top: 1px solid rgba(255, 249, 241, .22);
    }
.aisitex-troubleshooting-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: minmax(150px, .7fr) minmax(0, 1.3fr);
      gap: 30px;
      padding: 23px 0;
      border-bottom: 1px solid rgba(255, 249, 241, .22);
    }
.aisitex-problem:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-light);
      font-size: 15px;
      font-weight: 700;
    }
.aisitex-handling:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      color: #b9bec0;
      font-size: 14px;
    }
.aisitex-exit-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding: 72px 0 92px;
      background: var(--aisitex-paper);
    }
.aisitex-exit-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(1100px, calc(100% - 48px));
      margin: 0 auto;
      padding-top: 28px;
      border-top: 1px solid var(--aisitex-line);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 34px;
    }
.aisitex-exit-copy h2:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      font-family: "Noto Serif SC", "Source Han Serif SC", Songti SC, STSong, serif;
      font-size: clamp(25px, 3vw, 37px);
      line-height: 1.35;
    }
.aisitex-exit-copy p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 520px;
      margin: 12px 0 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-exit-actions:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      align-items: center;
      gap: 27px;
      flex-shrink: 0;
    }
.aisitex-text-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-accent);
      font-size: 14px;
      font-weight: 700;
      text-decoration: none;
      border-bottom: 1px solid transparent;
      transition: border-color .2s ease, color .2s ease;
    }
.aisitex-text-link:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-accent-dark);
      border-color: currentColor;
    }
.aisitex-footer-wordmark:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-ink);
      font-family: "Noto Serif SC", "Source Han Serif SC", Songti SC, STSong, serif;
      font-size: 14px;
      font-weight: 700;
    }
.aisitex-footer-note:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
    }
@media (max-width: 820px) {.aisitex-download-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        width: min(100% - 32px, 620px);
        min-height: auto;
        padding: 75px 0 78px;
        display: block;
      }
.aisitex-download-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
        display: none;
      }
.aisitex-download-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        max-width: 520px;
        font-size: clamp(37px, 9vw, 53px);
      }
.aisitex-download-lead:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        max-width: 560px;
      }
.aisitex-hero-space:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        min-height: 0;
        margin-top: 70px;
        justify-content: flex-start;
      }
.aisitex-hero-rule:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        width: 100%;
      }
.aisitex-preview-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-process-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-troubleshooting:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-exit-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        padding-top: 76px;
        padding-bottom: 82px;
      }
.aisitex-preview-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-process-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-troubleshooting-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-exit-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        width: min(100% - 32px, 620px);
      }
.aisitex-preview-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        gap: 58px;
      }
.aisitex-preview-item:nth-child(2):not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 0;
      }
.aisitex-process-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-troubleshooting-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
      }
.aisitex-process-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-troubleshooting-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 46px;
      }
.aisitex-troubleshooting-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 42px;
      }
.aisitex-exit-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
      }
.aisitex-exit-actions:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 30px;
        justify-content: flex-start;
      }}
@media (max-width: 560px) {.aisitex-preview-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
      }
.aisitex-preview-item + .aisitex-preview-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 60px;
      }
.aisitex-preview-media:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        padding: 16px 16px 0;
      }
.aisitex-preview-caption h3:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        font-size: 20px;
      }
.aisitex-troubleshooting-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
      }
.aisitex-handling:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 8px;
      }
.aisitex-exit-actions:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        align-items: flex-start;
        flex-direction: column;
        gap: 18px;
      }}
@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;
        animation-iteration-count: 1 !important;
      }}

.aisitex-site-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: #1e2528;
}

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

.aisitex-site-header a{
      color: inherit;
      text-decoration: none;
    }

.aisitex-site-header a{
      -webkit-tap-highlight-color: transparent;
    }

.aisitex-site-header, .aisitex-site-header :focus-visible{
      outline: 3px solid rgba(184, 74, 50, .42);
      outline-offset: 4px;
    }

.aisitex-site-header{
      position: relative;
      z-index: 10;
      border-bottom: 1px solid #d8d0c3;
      background: rgba(245, 241, 232, .94);
    }

.aisitex-site-header .aisitex-header-inner{
      width: min(1320px, calc(100% - 64px));
      min-height: 82px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }

.aisitex-site-header .aisitex-wordmark{
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-family: "Noto Serif SC", "Source Han Serif SC", Songti SC, STSong, serif;
      font-size: 22px;
      font-weight: 700;
      letter-spacing: 0;
      white-space: nowrap;
    }

.aisitex-site-header .aisitex-wordmark-mark{
      width: 28px;
      height: 28px;
      border: 2px solid #b84a32;
      display: grid;
      place-items: center;
      color: #b84a32;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
      font-size: 12px;
      font-weight: 800;
      line-height: 1;
    }

.aisitex-site-header .aisitex-main-nav{
      display: flex;
      align-items: center;
      gap: 34px;
    }

.aisitex-site-header .aisitex-nav-link{
      position: relative;
      padding: 8px 0;
      color: #687076;
      font-size: 14px;
      transition: color .2s ease;
    }

.aisitex-site-header .aisitex-nav-link::after{
      content: "";
      position: absolute;
      right: 0;
      bottom: 0;
      left: 0;
      height: 2px;
      background: #b84a32;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .2s ease;
    }

.aisitex-site-header .aisitex-nav-link:hover, .aisitex-site-header .aisitex-nav-link.active{
      color: #1e2528;
    }

.aisitex-site-header .aisitex-nav-link.active::after, .aisitex-site-header .aisitex-nav-link:hover::after{
      transform: scaleX(1);
    }

@media (max-width: 680px){.aisitex-site-header .aisitex-header-inner{
        width: min(100% - 40px, 1320px);
      }

.aisitex-site-header .aisitex-main-nav{
        gap: 16px;
      }

.aisitex-site-header .aisitex-nav-link{
        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{
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }}

.aisitex-site-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: #1e2528;
}

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

.aisitex-site-footer, .aisitex-site-footer :focus-visible{
      outline: 3px solid rgba(184, 74, 50, .42);
      outline-offset: 4px;
    }

.aisitex-site-footer{
      border-top: 1px solid #d8d0c3;
    }

.aisitex-site-footer .aisitex-footer-inner{
      width: min(1320px, calc(100% - 64px));
      min-height: 95px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 25px;
      color: #687076;
      font-size: 12px;
    }

.aisitex-site-footer .aisitex-footer-brand{
      color: #1e2528;
      font-family: "Noto Serif SC", "Source Han Serif SC", Songti SC, STSong, serif;
      font-size: 16px;
      font-weight: 700;
    }

@media (max-width: 680px){.aisitex-site-footer .aisitex-footer-inner{
        width: min(100% - 40px, 1320px);
      }

.aisitex-site-footer .aisitex-footer-inner{
        min-height: 82px;
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
      }}

@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{
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !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}