:root:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      --aisitex-ink: #17252a;
      --aisitex-muted: #617177;
      --aisitex-line: #dce5e2;
      --aisitex-paper: #f8faf8;
      --aisitex-white: #ffffff;
      --aisitex-orange: #e86f32;
      --aisitex-orange-dark: #bd4f1d;
      --aisitex-orange-soft: #fff0e6;
      --aisitex-teal: #087f78;
      --aisitex-teal-soft: #e8f5f1;
      --aisitex-max: 1180px;
    }
*:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      box-sizing: border-box;
    }
html:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      scroll-behavior: smooth;
    }
body:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0;
      color: var(--aisitex-ink);
      background: var(--aisitex-paper);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      line-height: 1.7;
    }
a:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      color: inherit;
    }
a:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      -webkit-tap-highlight-color: transparent;
    }
.aisitex-download-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      padding: 88px 0 72px;
      background: var(--aisitex-paper);
    }
.aisitex-content-width:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      width: min(var(--aisitex-max), calc(100% - 48px));
      margin: 0 auto;
    }
.aisitex-hero-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
      align-items: center;
      gap: clamp(48px, 8vw, 120px);
    }
.aisitex-eyebrow:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin: 0 0 20px;
      color: var(--aisitex-orange-dark);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.08em;
    }
.aisitex-eyebrow:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *))::before {
      width: 28px;
      height: 2px;
      background: var(--aisitex-orange);
      content: "";
    }
.aisitex-hero-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      max-width: 680px;
      margin: 0;
      color: var(--aisitex-ink);
      font-size: clamp(42px, 5.2vw, 72px);
      font-weight: 800;
      letter-spacing: 0;
      line-height: 1.12;
    }
.aisitex-hero-lead:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      max-width: 570px;
      margin: 25px 0 0;
      color: var(--aisitex-muted);
      font-size: 17px;
    }
.aisitex-hero-actions:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-top: 34px;
    }
.aisitex-primary-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-text-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border-radius: 5px;
      font: inherit;
      font-size: 15px;
      font-weight: 700;
      text-decoration: none;
      cursor: pointer;
      transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
    }
.aisitex-primary-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      padding: 0 20px;
      color: var(--aisitex-white);
      background: var(--aisitex-orange);
      border: 1px solid var(--aisitex-orange);
    }
.aisitex-primary-action:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-primary-action:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      background: var(--aisitex-orange-dark);
      border-color: var(--aisitex-orange-dark);
      transform: translateY(-1px);
    }
.aisitex-primary-action:disabled:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      color: #a7aaa8;
      background: #e3e7e4;
      border-color: #e3e7e4;
      cursor: not-allowed;
      transform: none;
    }
.aisitex-text-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      padding: 0 4px;
      color: var(--aisitex-ink);
      border: 1px solid transparent;
    }
.aisitex-text-action:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-text-action:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      color: var(--aisitex-orange-dark);
    }
.aisitex-action-icon:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      width: 18px;
      height: 18px;
    }
.aisitex-hero-note:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: flex;
      align-items: flex-start;
      gap: 10px;
      max-width: 490px;
      margin-top: 20px;
      color: var(--aisitex-muted);
      font-size: 13px;
    }
.aisitex-hero-note svg:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      flex: 0 0 auto;
      width: 18px;
      height: 18px;
      margin-top: 3px;
      color: var(--aisitex-teal);
    }
.aisitex-hero-panel:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      position: relative;
      padding: 28px;
      background: var(--aisitex-white);
      border: 1px solid var(--aisitex-line);
      border-radius: 8px;
    }
.aisitex-panel-kicker:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-bottom: 17px;
      border-bottom: 1px solid var(--aisitex-line);
      color: var(--aisitex-muted);
      font-size: 13px;
    }
.aisitex-panel-status:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--aisitex-teal);
      font-weight: 700;
    }
.aisitex-panel-status:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *))::before {
      width: 7px;
      height: 7px;
      background: var(--aisitex-teal);
      border-radius: 50%;
      content: "";
    }
.aisitex-device-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 26px 0 7px;
      font-size: 25px;
      line-height: 1.3;
    }
.aisitex-device-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-device-row:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 14px;
      align-items: center;
      margin-top: 26px;
      padding: 16px 0;
      border-top: 1px solid var(--aisitex-line);
      border-bottom: 1px solid var(--aisitex-line);
    }
.aisitex-device-icon:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      width: 48px;
      height: 48px;
      place-items: center;
      color: var(--aisitex-orange-dark);
      background: var(--aisitex-orange-soft);
      border-radius: 50%;
    }
.aisitex-device-icon svg:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      width: 23px;
      height: 23px;
    }
.aisitex-device-label:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0;
      font-weight: 800;
    }
.aisitex-device-hint:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 2px 0 0;
      color: var(--aisitex-muted);
      font-size: 13px;
    }
.aisitex-hero-panel-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: inline-block;
      margin-top: 18px;
      color: var(--aisitex-teal);
      font-size: 14px;
      font-weight: 700;
      text-decoration: none;
    }
.aisitex-hero-panel-link:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-hero-panel-link:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      text-decoration: underline;
    }
.aisitex-step-band:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      padding: 23px 0;
      background: var(--aisitex-orange-soft);
      border-top: 1px solid #f6d3bf;
      border-bottom: 1px solid #f6d3bf;
    }
.aisitex-step-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
.aisitex-step-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: flex;
      align-items: center;
      gap: 11px;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-step-number:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      place-items: center;
      color: var(--aisitex-orange-dark);
      border: 1px solid #e9a987;
      border-radius: 50%;
      font-size: 12px;
      font-weight: 800;
    }
.aisitex-step-item:first-child:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      color: var(--aisitex-ink);
      font-weight: 800;
    }
.aisitex-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      padding: 88px 0;
    }
.aisitex-section-light:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      background: var(--aisitex-white);
    }
.aisitex-section-soft:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      background: var(--aisitex-teal-soft);
    }
.aisitex-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      max-width: 620px;
      margin-bottom: 42px;
    }
.aisitex-section-index:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0 0 10px;
      color: var(--aisitex-teal);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.12em;
    }
.aisitex-section-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0;
      font-size: clamp(30px, 3.5vw, 46px);
      line-height: 1.2;
    }
.aisitex-section-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 15px 0 0;
      color: var(--aisitex-muted);
      font-size: 16px;
    }
.aisitex-prep-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }
.aisitex-prep-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      padding: 25px 26px;
      background: var(--aisitex-paper);
      border-left: 3px solid var(--aisitex-orange);
    }
.aisitex-item-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0;
      font-size: 18px;
      line-height: 1.4;
    }
.aisitex-item-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 8px 0 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-data-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1.18fr);
      align-items: center;
      gap: clamp(35px, 7vw, 100px);
    }
.aisitex-data-image:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: block;
      width: 100%;
      max-width: 512px;
      height: auto;
      margin: 0 auto;
      border-radius: 8px;
    }
.aisitex-data-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      max-width: 520px;
    }
.aisitex-data-copy .aisitex-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin-bottom: 22px;
    }
.aisitex-evidence-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0;
      padding: 0;
      list-style: none;
      border-top: 1px solid #b8dcd5;
    }
.aisitex-evidence-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      grid-template-columns: 28px 1fr;
      gap: 12px;
      padding: 16px 0;
      border-bottom: 1px solid #b8dcd5;
    }
.aisitex-evidence-item svg:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      width: 20px;
      height: 20px;
      margin-top: 3px;
      color: var(--aisitex-teal);
    }
.aisitex-evidence-item strong:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: block;
      font-size: 15px;
    }
.aisitex-evidence-item span:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: block;
      margin-top: 3px;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-inline-download:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: inline-flex;
      margin-top: 28px;
      color: var(--aisitex-teal);
      font-size: 15px;
      font-weight: 800;
      text-decoration: none;
    }
.aisitex-inline-download:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-inline-download:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      text-decoration: underline;
    }
.aisitex-banner-stack:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      gap: 18px;
    }
.aisitex-banner-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      overflow: hidden;
      background: var(--aisitex-white);
      border: 1px solid var(--aisitex-line);
      border-radius: 8px;
    }
.aisitex-banner-item img:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: block;
      width: 100%;
      height: auto;
    }
.aisitex-banner-caption:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 16px 20px;
    }
.aisitex-banner-caption h3:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0;
      font-size: 17px;
    }
.aisitex-banner-caption p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-next-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }
.aisitex-next-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: flex;
      flex-direction: column;
      min-height: 190px;
      padding: 25px;
      background: var(--aisitex-white);
      border: 1px solid var(--aisitex-line);
      border-radius: 8px;
    }
.aisitex-next-label:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      color: var(--aisitex-orange-dark);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.08em;
    }
.aisitex-next-item h3:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 13px 0 7px;
      font-size: 20px;
    }
.aisitex-next-item p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-next-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      margin-top: auto;
      padding-top: 20px;
      color: var(--aisitex-teal);
      font-size: 14px;
      font-weight: 800;
      text-decoration: none;
    }
.aisitex-next-link:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-next-link:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      text-decoration: underline;
    }
.aisitex-troubleshooting:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      width: min(820px, 100%);
      margin: 0 auto;
    }
.aisitex-trouble-row:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      display: grid;
      grid-template-columns: minmax(150px, 0.42fr) 1fr auto;
      gap: 20px;
      align-items: center;
      padding: 19px 0;
      border-bottom: 1px solid var(--aisitex-line);
    }
.aisitex-trouble-row:first-child:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      border-top: 1px solid var(--aisitex-line);
    }
.aisitex-trouble-condition:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      color: var(--aisitex-ink);
      font-size: 15px;
      font-weight: 800;
    }
.aisitex-trouble-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      color: var(--aisitex-muted);
      font-size: 14px;
    }
.aisitex-trouble-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      color: var(--aisitex-teal);
      font-size: 14px;
      font-weight: 800;
      text-decoration: none;
      white-space: nowrap;
    }
.aisitex-trouble-link:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-trouble-link:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      text-decoration: underline;
    }
.aisitex-site-footer:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      padding: 28px 0;
      color: var(--aisitex-muted);
      background: var(--aisitex-ink);
      font-size: 13px;
    }
:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
      outline: 3px solid rgba(232, 111, 50, 0.38);
      outline-offset: 3px;
    }
@media (max-width: 820px) {.aisitex-nav[hidden]:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        display: none;
      }
.aisitex-content-width:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        width: min(var(--aisitex-max), calc(100% - 32px));
      }
.aisitex-download-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        padding: 58px 0 55px;
      }
.aisitex-hero-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-data-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
      }
.aisitex-hero-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        gap: 45px;
      }
.aisitex-data-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        max-width: none;
      }
.aisitex-data-image:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        max-width: 460px;
      }
.aisitex-step-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: repeat(2, 1fr);
        row-gap: 14px;
      }
.aisitex-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        padding: 64px 0;
      }}
@media (max-width: 560px) {.aisitex-hero-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        font-size: 42px;
      }
.aisitex-hero-lead:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        font-size: 16px;
      }
.aisitex-hero-panel:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        padding: 22px;
      }
.aisitex-step-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-prep-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-next-grid:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
      }
.aisitex-step-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        font-size: 13px;
      }
.aisitex-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        margin-bottom: 30px;
      }
.aisitex-banner-caption:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        display: block;
      }
.aisitex-banner-caption p:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        margin-top: 5px;
      }
.aisitex-trouble-row:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        gap: 4px;
      }
.aisitex-trouble-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        display: inline-block;
        padding-top: 5px;
      }}
@media (prefers-reduced-motion: reduce) {html:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)){
        scroll-behavior: auto;
      }
*:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *)), 
      *:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *))::before, 
      *:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-footer, .aisitex-footer *))::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
      }}

.aisitex-site-header {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    line-height: 1.7;
    color: #17252a;
}

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

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

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

.aisitex-site-header button{
            font: inherit;
        }

.aisitex-site-header{
            position: relative;
            z-index: 10;
            background: rgba(248, 250, 248, 0.96);
            border-bottom: 1px solid #dbe3e1;
        }

.aisitex-site-header .aisitex-header-inner{
            width: min(calc(100% - 48px), 1180px);
            min-height: 76px;
            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: 11px;
            color: #17252a;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0;
            white-space: nowrap;
        }

.aisitex-site-header .aisitex-wordmark-mark{
            width: 30px;
            height: 30px;
            display: inline-grid;
            place-items: center;
            color: #ffffff;
            background: #e86f32;
            border-radius: 8px 8px 8px 2px;
            font-size: 14px;
            font-weight: 800;
        }

.aisitex-site-header .aisitex-nav{
            display: flex;
            align-items: stretch;
            gap: 8px;
        }

.aisitex-site-header .aisitex-nav-link{
            min-height: 76px;
            display: inline-flex;
            align-items: center;
            padding: 0 16px;
            color: #647277;
            border-bottom: 3px solid transparent;
            font-size: 15px;
            font-weight: 650;
            transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
        }

.aisitex-site-header .aisitex-nav-link:hover, .aisitex-site-header .aisitex-nav-link:focus-visible{
            color: #bd4d1d;
            background: #fff0e7;
            outline: none;
        }

.aisitex-site-header .aisitex-nav-link.active{
            color: #bd4d1d;
            border-bottom-color: #e86f32;
        }

.aisitex-site-header .aisitex-menu-toggle{
            display: none;
            width: 42px;
            height: 42px;
            padding: 0;
            color: #17252a;
            background: #ffffff;
            border: 1px solid #dbe3e1;
            border-radius: 6px;
            cursor: pointer;
        }

.aisitex-site-header .aisitex-menu-toggle svg{
            width: 20px;
            height: 20px;
        }

@media (max-width: 820px){.aisitex-site-header .aisitex-header-inner{
                width: min(calc(100% - 36px), 1180px);
            }

.aisitex-site-header .aisitex-header-inner{
                min-height: 66px;
            }

.aisitex-site-header .aisitex-menu-toggle{
                display: inline-grid;
                place-items: center;
            }

.aisitex-site-header .aisitex-nav{
                position: absolute;
                top: 66px;
                left: 0;
                right: 0;
                display: none;
                padding: 8px 18px 16px;
                background: #f8faf8;
                border-bottom: 1px solid #dbe3e1;
            }

.aisitex-site-header .aisitex-nav[aria-hidden="false"]{
                display: grid;
            }

.aisitex-site-header .aisitex-nav-link{
                min-height: 48px;
                justify-content: flex-start;
                padding: 0 12px;
                border-bottom: 1px solid #dbe3e1;
            }

.aisitex-site-header .aisitex-nav-link.active{
                border-bottom-color: #e86f32;
            }}

@media (max-width: 560px){.aisitex-site-header .aisitex-header-inner{
                width: min(calc(100% - 30px), 1180px);
            }}

@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{
                transition-duration: 0.01ms !important;
            }}

.aisitex-footer {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    line-height: 1.7;
    color: #17252a;
}

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

.aisitex-footer{
            padding: 27px 0;
            color: #8b9898;
            background: #17252a;
            font-size: 13px;
        }

.aisitex-footer .aisitex-footer-inner{
            width: min(calc(100% - 48px), 1180px);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            gap: 24px;
        }

.aisitex-footer .aisitex-footer-brand{
            color: #e5eeea;
            font-weight: 750;
        }

@media (max-width: 820px){.aisitex-footer .aisitex-footer-inner{
                width: min(calc(100% - 36px), 1180px);
            }}

@media (max-width: 560px){.aisitex-footer .aisitex-footer-inner{
                width: min(calc(100% - 30px), 1180px);
            }

.aisitex-footer .aisitex-footer-inner{
                display: block;
            }

.aisitex-footer .aisitex-footer-inner span{
                display: block;
            }

.aisitex-footer .aisitex-footer-inner span + span{
                margin-top: 5px;
            }}

@media (prefers-reduced-motion: reduce){.aisitex-footer, .aisitex-footer *, .aisitex-footer::before, .aisitex-footer *::before, .aisitex-footer::after, .aisitex-footer *::after{
                transition-duration: 0.01ms !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}