:root:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      --aisitex-background: #f4f1ea;
      --aisitex-paper: #fbfaf6;
      --aisitex-ink: #172522;
      --aisitex-stage: #102522;
      --aisitex-primary: #12a69e;
      --aisitex-primary-hover: #0d817c;
      --aisitex-amber: #d69a3a;
      --aisitex-line: #c9d1c9;
      --aisitex-muted: #63716c;
      --aisitex-soft: #e5ebe3;
      --aisitex-white: #f8f6ee;
      --aisitex-danger: #b94a48;
      --aisitex-max-width: 1240px;
      color-scheme: light;
    }
*: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-background);
      color: var(--aisitex-ink);
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.7;
    }
body.js-navigation-open:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      overflow: hidden;
    }
a:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: inherit;
      text-decoration: none;
    }
summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      font: inherit;
    }
a:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), summary: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 rgba(214, 154, 58, .82);
      outline-offset: 4px;
    }
.aisitex-guide-main:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      overflow: hidden;
    }
.aisitex-guide-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      background: var(--aisitex-stage);
      color: var(--aisitex-white);
    }
.aisitex-guide-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after {
      content: "";
      position: absolute;
      right: 0;
      bottom: 0;
      left: 0;
      height: 1px;
      background: rgba(248, 246, 238, .18);
      pointer-events: none;
    }
.aisitex-guide-hero-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(calc(100% - 48px), var(--aisitex-max-width));
      min-height: 555px;
      margin: 0 auto;
      padding: 84px 0 72px;
      display: grid;
      grid-template-columns: minmax(250px, .72fr) minmax(0, 1.65fr);
      align-items: center;
      gap: clamp(54px, 8vw, 142px);
    }
.aisitex-guide-hero-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 360px;
    }
.aisitex-eyebrow:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      align-items: center;
      gap: 11px;
      margin: 0 0 24px;
      color: var(--aisitex-amber);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 2px;
      line-height: 1.4;
      text-transform: uppercase;
    }
.aisitex-eyebrow:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
      content: "";
      width: 32px;
      height: 1px;
      background: currentColor;
    }
.aisitex-guide-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 360px;
      margin: 0;
      color: var(--aisitex-white);
      font-family: "Noto Serif SC", "Songti SC", STSong, serif;
      font-size: clamp(38px, 4.6vw, 65px);
      font-weight: 700;
      letter-spacing: 0;
      line-height: 1.18;
      text-wrap: balance;
    }
.aisitex-guide-lead:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 345px;
      margin: 25px 0 0;
      color: rgba(248, 246, 238, .72);
      font-size: 15px;
      line-height: 1.9;
    }
.aisitex-guide-hero-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin-top: 30px;
      padding: 11px 16px;
      border: 1px solid rgba(18, 166, 158, .72);
      color: var(--aisitex-white);
      font-size: 14px;
      transition: border-color .2s ease, background-color .2s ease;
    }
.aisitex-guide-hero-link:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-color: var(--aisitex-primary);
      background: rgba(18, 166, 158, .15);
    }
.aisitex-inline-icon:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: 17px;
      height: 17px;
      fill: none;
      stroke: currentColor;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-width: 1.8;
      flex: 0 0 auto;
    }
.aisitex-route-panel:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      min-width: 0;
      padding: clamp(24px, 4vw, 48px);
      border: 1px solid rgba(248, 246, 238, .2);
      background: rgba(248, 246, 238, .045);
    }
.aisitex-route-panel-head:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: clamp(48px, 7vw, 78px);
    }
.aisitex-route-kicker:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0 0 6px;
      color: var(--aisitex-amber);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 1.3px;
    }
.aisitex-route-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      color: var(--aisitex-white);
      font-family: "Noto Serif SC", "Songti SC", STSong, serif;
      font-size: clamp(23px, 2.5vw, 34px);
      font-weight: 700;
      line-height: 1.35;
    }
.aisitex-route-state:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 10px;
      border: 1px solid rgba(214, 154, 58, .55);
      color: #f1c273;
      font-size: 12px;
      white-space: nowrap;
    }
.aisitex-route-state:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--aisitex-amber);
    }
.aisitex-route-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
.aisitex-route-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
      content: "";
      position: absolute;
      top: 20px;
      right: 8%;
      left: 8%;
      height: 1px;
      background: rgba(248, 246, 238, .28);
    }
.aisitex-route-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      position: relative;
      z-index: 1;
      min-width: 0;
    }
.aisitex-route-node:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      place-items: center;
      width: 40px;
      height: 40px;
      margin-bottom: 18px;
      border: 1px solid rgba(248, 246, 238, .58);
      border-radius: 50%;
      background: var(--aisitex-stage);
      color: rgba(248, 246, 238, .7);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 1px;
    }
.aisitex-route-item.is-current .aisitex-route-node:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-color: var(--aisitex-amber);
      background: var(--aisitex-amber);
      color: var(--aisitex-stage);
      box-shadow: 0 0 0 6px rgba(214, 154, 58, .13);
    }
.aisitex-route-label:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: block;
      color: var(--aisitex-white);
      font-size: 16px;
      font-weight: 700;
      line-height: 1.45;
    }
.aisitex-route-description:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 180px;
      margin: 7px 0 0;
      color: rgba(248, 246, 238, .6);
      font-size: 13px;
      line-height: 1.7;
    }
.aisitex-route-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: inline-flex;
      margin-top: 12px;
      color: #6dd5cf;
      font-size: 12px;
      line-height: 1.5;
    }
.aisitex-route-link:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-white);
      text-decoration: underline;
      text-underline-offset: 4px;
    }
.aisitex-route-foot:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      margin-top: 54px;
      padding-top: 18px;
      border-top: 1px solid rgba(248, 246, 238, .14);
      color: rgba(248, 246, 238, .54);
      font-size: 12px;
    }
.aisitex-route-foot strong:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: rgba(248, 246, 238, .85);
      font-weight: 500;
    }
.aisitex-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: min(calc(100% - 48px), var(--aisitex-max-width));
      margin: 0 auto;
    }
.aisitex-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: minmax(200px, .8fr) minmax(280px, 1.2fr);
      align-items: end;
      gap: 48px;
      padding: 112px 0 48px;
    }
.aisitex-section-index:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: block;
      margin-bottom: 13px;
      color: var(--aisitex-primary);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 1.8px;
      line-height: 1.4;
    }
.aisitex-section-title: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, serif;
      font-size: clamp(29px, 3.6vw, 47px);
      font-weight: 700;
      line-height: 1.3;
      text-wrap: balance;
    }
.aisitex-section-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 540px;
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 15px;
      line-height: 1.9;
    }
.aisitex-problem-matrix:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-top: 1px solid var(--aisitex-ink);
    }
.aisitex-problem-header:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: minmax(210px, .85fr) minmax(260px, 1.25fr) minmax(180px, .7fr);
      gap: 28px;
      padding: 13px 20px;
      border-bottom: 1px solid var(--aisitex-line);
      color: var(--aisitex-muted);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 1.1px;
      line-height: 1.4;
    }
.aisitex-problem-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-bottom: 1px solid var(--aisitex-line);
    }
.aisitex-problem-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: minmax(210px, .85fr) minmax(260px, 1.25fr) minmax(180px, .7fr);
      gap: 28px;
      align-items: center;
      padding: 22px 20px;
      cursor: pointer;
      list-style: none;
      transition: background-color .2s ease;
    }
.aisitex-problem-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::-webkit-details-marker {
      display: none;
    }
.aisitex-problem-summary:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      background: rgba(222, 235, 226, .38);
    }
.aisitex-problem-symptom:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      align-items: flex-start;
      gap: 13px;
      min-width: 0;
      color: var(--aisitex-ink);
      font-weight: 700;
      line-height: 1.55;
    }
.aisitex-problem-marker:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      place-items: center;
      width: 25px;
      height: 25px;
      margin-top: 1px;
      border: 1px solid var(--aisitex-amber);
      border-radius: 50%;
      color: var(--aisitex-amber);
      font-size: 13px;
      line-height: 1;
      flex: 0 0 auto;
      transition: transform .2s ease, background-color .2s ease, color .2s ease;
    }
.aisitex-problem-item[open] .aisitex-problem-marker:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      transform: rotate(45deg);
      background: var(--aisitex-amber);
      color: var(--aisitex-white);
    }
.aisitex-problem-content:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: contents;
    }
.aisitex-problem-check:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 14px;
      line-height: 1.8;
    }
.aisitex-problem-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: inline-flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      width: 100%;
      max-width: 240px;
      color: var(--aisitex-primary-hover);
      font-size: 13px;
      font-weight: 700;
      line-height: 1.5;
    }
.aisitex-problem-action svg:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: 16px;
      height: 16px;
      fill: none;
      stroke: currentColor;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-width: 1.8;
      flex: 0 0 auto;
      transition: transform .2s ease;
    }
.aisitex-problem-action:hover svg:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      transform: translateX(4px);
    }
.aisitex-account-note:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin-top: 116px;
      padding: 42px 0 44px;
      border-top: 1px solid var(--aisitex-line);
      border-bottom: 1px solid var(--aisitex-line);
    }
.aisitex-account-note-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: minmax(230px, .85fr) minmax(280px, 1.15fr);
      gap: 48px;
      align-items: start;
      margin-bottom: 30px;
    }
.aisitex-account-note-title: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, serif;
      font-size: clamp(26px, 3vw, 38px);
      font-weight: 700;
      line-height: 1.35;
    }
.aisitex-account-note-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 520px;
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 14px;
      line-height: 1.9;
    }
.aisitex-account-choices:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      border-top: 1px solid var(--aisitex-line);
      border-bottom: 1px solid var(--aisitex-line);
    }
.aisitex-account-choice:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      min-height: 156px;
      padding: 25px 25px 22px 0;
      border-right: 1px solid var(--aisitex-line);
    }
.aisitex-account-choice:not(:first-child):not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding-left: 25px;
    }
.aisitex-account-choice:last-child:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-right: 0;
    }
.aisitex-account-choice-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: block;
      height: 100%;
    }
.aisitex-account-choice-icon:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      place-items: center;
      width: 30px;
      height: 30px;
      margin-bottom: 15px;
      color: var(--aisitex-primary);
    }
.aisitex-account-choice-icon svg:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: 24px;
      height: 24px;
      fill: none;
      stroke: currentColor;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-width: 1.6;
    }
.aisitex-account-choice-label:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: block;
      color: var(--aisitex-ink);
      font-size: 15px;
      font-weight: 700;
    }
.aisitex-account-choice-description:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: block;
      margin-top: 5px;
      color: var(--aisitex-muted);
      font-size: 13px;
      line-height: 1.7;
    }
.aisitex-account-choice-link:hover .aisitex-account-choice-label:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-primary-hover);
    }
.aisitex-return-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      padding-bottom: 112px;
    }
.aisitex-return-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 32px;
      padding: 112px 0 38px;
    }
.aisitex-return-title: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, serif;
      font-size: clamp(27px, 3.2vw, 42px);
      font-weight: 700;
      line-height: 1.35;
    }
.aisitex-return-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      max-width: 390px;
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 14px;
      line-height: 1.8;
    }
.aisitex-return-actions:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }
.aisitex-return-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      min-height: 116px;
      padding: 24px 28px;
      border: 1px solid var(--aisitex-ink);
      background: var(--aisitex-paper);
      transition: border-color .2s ease, background-color .2s ease, color .2s ease;
    }
.aisitex-return-action.primary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-color: var(--aisitex-primary);
      background: var(--aisitex-primary);
      color: #fff;
    }
.aisitex-return-action:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      border-color: var(--aisitex-primary-hover);
    }
.aisitex-return-action.primary:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      background: var(--aisitex-primary-hover);
    }
.aisitex-return-action-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      min-width: 0;
    }
.aisitex-return-action-label:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: block;
      font-size: 16px;
      font-weight: 700;
      line-height: 1.5;
    }
.aisitex-return-action-description:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: block;
      margin-top: 5px;
      color: var(--aisitex-muted);
      font-size: 13px;
      line-height: 1.6;
    }
.aisitex-return-action.primary .aisitex-return-action-description:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: rgba(255, 255, 255, .78);
    }
.aisitex-return-action-icon:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: grid;
      place-items: center;
      width: 30px;
      height: 30px;
      flex: 0 0 auto;
    }
.aisitex-return-action-icon svg:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      width: 22px;
      height: 22px;
      fill: none;
      stroke: currentColor;
      stroke-linecap: round;
      stroke-linejoin: round;
      stroke-width: 1.7;
      transition: transform .2s ease;
    }
.aisitex-return-action:hover .aisitex-return-action-icon svg:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      transform: translateX(4px);
    }
.aisitex-footer-note:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 12px;
    }
.aisitex-footer-links:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      display: flex;
      align-items: center;
      gap: 20px;
      color: var(--aisitex-muted);
      font-size: 12px;
    }
.aisitex-footer-links a:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
      color: var(--aisitex-primary-hover);
    }
@media (max-width: 920px) {.aisitex-guide-hero-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr);
        gap: 42px;
      }
.aisitex-route-panel:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        padding: 28px 24px;
      }
.aisitex-problem-header:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-problem-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-template-columns: minmax(180px, .8fr) minmax(220px, 1.2fr) minmax(145px, .7fr);
        gap: 18px;
      }
.aisitex-account-note-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        gap: 30px;
      }}
@media (max-width: 720px) {body.js-navigation-open:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        position: fixed;
        width: 100%;
      }
.aisitex-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-guide-hero-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        width: min(calc(100% - 36px), var(--aisitex-max-width));
      }
.aisitex-primary-nav.is-open:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: flex;
      }
.aisitex-guide-hero-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        min-height: auto;
        padding: 64px 0 52px;
        display: block;
      }
.aisitex-guide-hero-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        max-width: none;
      }
.aisitex-guide-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        max-width: 520px;
        font-size: clamp(37px, 11vw, 56px);
      }
.aisitex-guide-lead:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        max-width: 540px;
      }
.aisitex-route-panel:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 52px;
        padding: 24px 18px 20px;
      }
.aisitex-route-panel-head:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-bottom: 36px;
      }
.aisitex-route-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
      }
.aisitex-route-list:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
        top: 19px;
        right: auto;
        bottom: 19px;
        left: 19px;
        width: 1px;
        height: auto;
      }
.aisitex-route-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: grid;
        grid-template-columns: 40px minmax(0, 1fr);
        column-gap: 17px;
        min-height: 88px;
      }
.aisitex-route-node:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-row: 1 / span 3;
        margin-bottom: 0;
      }
.aisitex-route-label:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        padding-top: 5px;
      }
.aisitex-route-description:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        max-width: none;
        margin-top: 4px;
      }
.aisitex-route-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 5px;
      }
.aisitex-route-foot:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
        margin-top: 25px;
      }
.aisitex-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
        padding: 78px 0 34px;
      }
.aisitex-section-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 18px;
      }
.aisitex-problem-header:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: none;
      }
.aisitex-problem-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: flex;
        align-items: flex-start;
        padding: 19px 0;
      }
.aisitex-problem-symptom:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        flex: 1 1 auto;
        padding-right: 12px;
      }
.aisitex-problem-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after {
        content: "+";
        display: block;
        width: 25px;
        color: var(--aisitex-amber);
        font-size: 22px;
        font-weight: 300;
        line-height: 25px;
        text-align: center;
      }
.aisitex-problem-item[open] .aisitex-problem-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after {
        content: "−";
      }
.aisitex-problem-content:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
        padding: 0 0 23px 38px;
      }
.aisitex-problem-check:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        padding-bottom: 15px;
        font-size: 14px;
      }
.aisitex-problem-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        max-width: none;
        justify-content: flex-start;
        gap: 8px;
      }
.aisitex-account-note:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 78px;
        padding: 34px 0 36px;
      }
.aisitex-account-note-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
        margin-bottom: 24px;
      }
.aisitex-account-note-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 17px;
      }
.aisitex-account-choices:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
      }
.aisitex-account-choice:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-account-choice:not(:first-child):not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        min-height: 0;
        padding: 20px 0;
        border-right: 0;
        border-bottom: 1px solid var(--aisitex-line);
      }
.aisitex-account-choice:last-child:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        border-bottom: 0;
      }
.aisitex-account-choice-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: grid;
        grid-template-columns: 32px minmax(0, 1fr);
        column-gap: 13px;
        align-items: start;
      }
.aisitex-account-choice-icon:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        grid-row: 1 / span 2;
        margin: 1px 0 0;
      }
.aisitex-account-choice-description:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 4px;
      }
.aisitex-return-section:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        padding-bottom: 78px;
      }
.aisitex-return-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
        padding: 78px 0 30px;
      }
.aisitex-return-summary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 17px;
      }
.aisitex-return-actions:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        display: block;
      }
.aisitex-return-action + .aisitex-return-action:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        margin-top: 10px;
      }
.aisitex-footer-links:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
        gap: 14px;
      }}
@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: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #172522;
}

.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, .aisitex-site-header :focus-visible{
            outline: 3px solid #d69a3a;
            outline-offset: 4px;
        }

.aisitex-site-header{
            position: relative;
            z-index: 10;
            border-bottom: 1px solid #c9d1c9;
            background: rgba(244, 241, 234, 0.96);
        }

.aisitex-site-header .aisitex-header-inner{
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: min(100% - 48px, 1240px);
            min-height: 76px;
            margin: 0 auto;
        }

.aisitex-site-header .aisitex-brand-link{
            display: inline-flex;
            align-items: center;
            gap: 12px;
            min-width: 160px;
            color: #172522;
        }

.aisitex-site-header .aisitex-brand-mark{
            display: grid;
            place-items: center;
            width: 32px;
            height: 32px;
            border: 1px solid #172522;
            color: #172522;
            font-family: "Noto Serif SC", "Songti SC", STSong, serif;
            font-size: 17px;
            line-height: 1;
        }

.aisitex-site-header .aisitex-brand-name{
            font-family: "Noto Serif SC", "Songti SC", STSong, serif;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0;
        }

.aisitex-site-header .aisitex-brand-caption{
            display: block;
            margin-top: 1px;
            color: #63716c;
            font-size: 9px;
            letter-spacing: 0.16em;
            line-height: 1.2;
        }

.aisitex-site-header .aisitex-menu-toggle{
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            padding: 0;
            border: 1px solid #c9d1c9;
            background: transparent;
            color: #172522;
            cursor: pointer;
        }

.aisitex-site-header .aisitex-menu-toggle:hover{
            border-color: #12a69e;
            color: #0d817c;
        }

.aisitex-site-header .aisitex-menu-icon{
            width: 19px;
            height: 19px;
        }

.aisitex-site-header .aisitex-primary-nav{
            display: flex;
            align-items: stretch;
            gap: 30px;
            min-height: 76px;
        }

.aisitex-site-header .aisitex-nav-link{
            position: relative;
            display: inline-flex;
            align-items: center;
            min-height: 76px;
            color: #63716c;
            font-size: 14px;
            white-space: nowrap;
            transition: color 180ms ease;
        }

.aisitex-site-header .aisitex-nav-link::after{
            position: absolute;
            right: 0;
            bottom: -1px;
            left: 0;
            height: 3px;
            background: transparent;
            content: "";
            transition: background-color 180ms ease;
        }

.aisitex-site-header .aisitex-nav-link:hover, .aisitex-site-header .aisitex-nav-link.active{
            color: #172522;
        }

.aisitex-site-header .aisitex-nav-link.active::after{
            background: #12a69e;
        }

.aisitex-site-header .aisitex-nav-link.active::before{
            width: 5px;
            height: 5px;
            margin-right: 7px;
            border-radius: 50%;
            background: #12a69e;
            content: "";
        }

@media (max-width: 700px){.aisitex-site-header .aisitex-header-inner{
                width: min(100% - 36px, 1240px);
            }

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

.aisitex-site-header .aisitex-menu-toggle{
                display: inline-flex;
            }

.aisitex-site-header .aisitex-primary-nav{
                position: absolute;
                top: 66px;
                right: 18px;
                left: 18px;
                display: none;
                flex-direction: column;
                gap: 0;
                min-height: 0;
                padding: 7px 18px;
                border: 1px solid #c9d1c9;
                background: #fbfaf6;
                box-shadow: 0 12px 28px rgba(23, 37, 34, 0.08);
            }

.aisitex-site-header .aisitex-primary-nav.is-open{
                display: flex;
            }

.aisitex-site-header .aisitex-nav-link{
                min-height: 49px;
                border-bottom: 1px solid #c9d1c9;
            }

.aisitex-site-header .aisitex-nav-link:last-child{
                border-bottom: 0;
            }

.aisitex-site-header .aisitex-nav-link::after{
                right: auto;
                bottom: 0;
                left: 0;
                width: 26px;
                height: 2px;
            }

.aisitex-site-header .aisitex-nav-link.active::before{
                width: 5px;
                height: 5px;
            }}

@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;
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
            }}

.aisitex-site-footer {
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #172522;
}

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

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

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

.aisitex-site-footer, .aisitex-site-footer :focus-visible{
            outline: 3px solid #d69a3a;
            outline-offset: 4px;
        }

.aisitex-site-footer{
            border-top: 1px solid rgba(222, 235, 226, 0.22);
            background: #102522;
            color: #8fa59a;
        }

.aisitex-site-footer .aisitex-footer-inner{
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            width: min(100% - 48px, 1240px);
            min-height: 88px;
            margin: 0 auto;
        }

.aisitex-site-footer .aisitex-footer-brand{
            color: #d7e3d9;
            font-family: "Noto Serif SC", "Songti SC", STSong, serif;
            font-size: 18px;
            font-weight: 700;
        }

.aisitex-site-footer .aisitex-footer-meta{
            margin: 0;
            font-size: 11px;
            letter-spacing: 0.08em;
        }

.aisitex-site-footer .aisitex-footer-top{
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #c5d0c8;
            font-size: 12px;
        }

.aisitex-site-footer .aisitex-footer-top .aisitex-icon{
            width: 14px;
            height: 14px;
        }

.aisitex-site-footer .aisitex-icon{
            display: inline-block;
            flex: 0 0 auto;
            width: 16px;
            height: 16px;
            fill: none;
            stroke: currentColor;
            stroke-linecap: round;
            stroke-linejoin: round;
            stroke-width: 1.7;
        }

@media (max-width: 700px){.aisitex-site-footer .aisitex-footer-inner{
                width: min(100% - 36px, 1240px);
            }

.aisitex-site-footer .aisitex-footer-inner{
                align-items: flex-start;
                flex-direction: column;
                justify-content: center;
                gap: 10px;
                min-height: 130px;
                padding: 22px 0;
            }}

@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{
                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}