:root {
      color-scheme: light;
      --aisitex-ink: #111516;
      --aisitex-ink-soft: #1b2223;
      --aisitex-lime: #c7e36b;
      --aisitex-teal: #54b8a6;
      --aisitex-paper: #f1f2ee;
      --aisitex-white: #f4f1e8;
      --aisitex-text: #1a2121;
      --aisitex-muted: #697371;
      --aisitex-line: #c9cfca;
      --aisitex-dark-line: #394342;
      --aisitex-width: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--aisitex-text);
      background: var(--aisitex-paper);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      font-size: 16px;
      line-height: 1.65;
      text-rendering: optimizeLegibility;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid var(--aisitex-teal);
      outline-offset: 4px;
    }

    .aisitex-shell {
      width: min(var(--aisitex-width), calc(100% - 64px));
      margin-inline: auto;
    }

    .aisitex-header {
      position: relative;
      z-index: 2;
      color: var(--aisitex-white);
      background: var(--aisitex-ink);
      border-bottom: 1px solid var(--aisitex-dark-line);
    }

    .aisitex-header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }

    .aisitex-wordmark {
      display: inline-flex;
      align-items: baseline;
      gap: 12px;
      flex: 0 0 auto;
      font-weight: 750;
      font-size: 21px;
      line-height: 1;
    }

    .aisitex-wordmark small {
      color: #9ba6a1;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 10px;
      font-weight: 500;
    }

    .aisitex-nav {
      display: flex;
      align-items: center;
      gap: 30px;
    }

    .aisitex-nav-link {
      position: relative;
      padding: 27px 0 25px;
      color: #c6ceca;
      font-size: 14px;
      transition: color 180ms ease;
    }

    .aisitex-nav-link:hover,
    .aisitex-nav-link.active {
      color: var(--aisitex-white);
    }

    .aisitex-nav-link.active::after {
      position: absolute;
      right: 0;
      bottom: 16px;
      left: 0;
      height: 2px;
      background: var(--aisitex-lime);
      content: "";
    }

    .aisitex-menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      place-items: center;
      color: var(--aisitex-white);
      background: transparent;
      border: 1px solid var(--aisitex-dark-line);
      border-radius: 3px;
      cursor: pointer;
    }

    .aisitex-menu-toggle span,
    .aisitex-menu-toggle span::before,
    .aisitex-menu-toggle span::after {
      display: block;
      width: 17px;
      height: 1px;
      background: currentColor;
    }

    .aisitex-menu-toggle span {
      position: relative;
    }

    .aisitex-menu-toggle span::before,
    .aisitex-menu-toggle span::after {
      position: absolute;
      left: 0;
      content: "";
    }

    .aisitex-menu-toggle span::before {
      top: -6px;
    }

    .aisitex-menu-toggle span::after {
      top: 6px;
    }

    .aisitex-hero {
      overflow: hidden;
      color: var(--aisitex-white);
      background: var(--aisitex-ink);
    }

    .aisitex-hero-inner {
      min-height: 484px;
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(280px, 1.08fr);
      align-items: center;
      gap: 60px;
      padding-block: 72px 42px;
    }

    .aisitex-hero-copy {
      max-width: 490px;
    }

    .aisitex-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin: 0 0 22px;
      color: #a8b5ae;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 11px;
      letter-spacing: 0;
      text-transform: uppercase;
    }

    .aisitex-eyebrow::before {
      width: 7px;
      height: 7px;
      background: var(--aisitex-teal);
      border-radius: 50%;
      content: "";
    }

    .aisitex-hero-title {
      max-width: 480px;
      margin: 0;
      color: var(--aisitex-white);
      font-size: 52px;
      font-weight: 680;
      line-height: 1.22;
    }

    .aisitex-hero-description {
      max-width: 430px;
      margin: 22px 0 0;
      color: #b8c0bb;
      font-size: 16px;
      line-height: 1.85;
    }

    .aisitex-hero-action {
      align-self: center;
      justify-self: end;
      width: min(100%, 360px);
      padding: 27px 0 27px 32px;
      border-left: 1px solid var(--aisitex-dark-line);
    }

    .aisitex-action-label {
      display: block;
      margin-bottom: 15px;
      color: #9ba6a1;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 11px;
    }

    .aisitex-primary-link {
      display: inline-flex;
      min-height: 56px;
      align-items: center;
      justify-content: space-between;
      gap: 25px;
      padding: 0 19px;
      color: var(--aisitex-ink);
      background: var(--aisitex-lime);
      font-size: 15px;
      font-weight: 700;
      transition: background-color 180ms ease, transform 180ms ease;
    }

    .aisitex-primary-link:hover {
      background: #d5ed83;
      transform: translateY(-2px);
    }

    .aisitex-primary-link svg {
      width: 17px;
      height: 17px;
      flex: 0 0 auto;
    }

    .aisitex-action-note {
      margin: 13px 0 0;
      color: #96a19b;
      font-size: 13px;
    }

    .aisitex-route-band {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      border-top: 1px solid var(--aisitex-dark-line);
    }

    .aisitex-route-item {
      position: relative;
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 13px;
      padding: 16px 18px 16px 0;
    }

    .aisitex-route-item:not(:last-child)::after {
      position: absolute;
      top: 50%;
      right: 18px;
      width: 28px;
      height: 1px;
      background: var(--aisitex-teal);
      content: "";
      transform: translateX(100%);
      transform-origin: left;
      animation: aisitex-route-reveal 560ms ease both;
    }

    .aisitex-route-item:nth-child(2)::after {
      animation-delay: 130ms;
    }

    .aisitex-route-index {
      color: var(--aisitex-lime);
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 11px;
    }

    .aisitex-route-label {
      color: #e6e9e3;
      font-size: 14px;
      font-weight: 600;
    }

    .aisitex-route-detail {
      margin-left: auto;
      padding-right: 39px;
      color: #87938d;
      font-size: 12px;
    }

    @keyframes aisitex-route-reveal {
      from {
        opacity: 0;
        transform: translateX(100%) scaleX(0.15);
      }
      to {
        opacity: 1;
        transform: translateX(100%) scaleX(1);
      }
    }

    .aisitex-reading {
      padding-block: 74px 84px;
    }

    .aisitex-boundary {
      display: grid;
      grid-template-columns: minmax(210px, 0.72fr) minmax(0, 1.6fr);
      gap: 64px;
      padding-bottom: 65px;
      border-bottom: 1px solid var(--aisitex-line);
    }

    .aisitex-section-kicker {
      margin: 0 0 10px;
      color: #65726d;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 11px;
    }

    .aisitex-section-title {
      margin: 0;
      color: var(--aisitex-text);
      font-size: 30px;
      font-weight: 680;
      line-height: 1.35;
    }

    .aisitex-boundary-list {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 25px;
      margin: 0;
    }

    .aisitex-boundary-list div {
      padding-top: 3px;
    }

    .aisitex-boundary-list dt {
      margin-bottom: 8px;
      color: #25302d;
      font-size: 15px;
      font-weight: 700;
    }

    .aisitex-boundary-list dd {
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .aisitex-map-section {
      padding-block: 68px 74px;
      border-bottom: 1px solid var(--aisitex-line);
    }

    .aisitex-map-heading {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 31px;
    }

    .aisitex-map-heading p {
      max-width: 420px;
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 14px;
    }

    .aisitex-task-map {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      border-top: 1px solid #9ca8a1;
      border-left: 1px solid #9ca8a1;
    }

    .aisitex-task-node {
      min-height: 144px;
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr) auto;
      align-items: start;
      gap: 15px;
      padding: 23px 22px;
      border-right: 1px solid #9ca8a1;
      border-bottom: 1px solid #9ca8a1;
      transition: background-color 180ms ease;
    }

    .aisitex-task-node:hover {
      background: #e6eae3;
    }

    .aisitex-task-number {
      padding-top: 3px;
      color: #567a70;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 12px;
    }

    .aisitex-task-node h3 {
      margin: 0 0 5px;
      color: #1d2724;
      font-size: 18px;
      font-weight: 700;
    }

    .aisitex-task-node p {
      margin: 0;
      color: var(--aisitex-muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .aisitex-task-arrow {
      width: 17px;
      height: 17px;
      margin-top: 4px;
      color: #4f6961;
    }

    .aisitex-evidence {
      display: grid;
      grid-template-columns: minmax(270px, 0.88fr) minmax(0, 1.12fr);
      align-items: center;
      gap: clamp(35px, 7vw, 92px);
      padding-block: 72px;
      border-bottom: 1px solid var(--aisitex-line);
    }

    .aisitex-evidence-copy {
      max-width: 460px;
    }

    .aisitex-evidence-copy p:not(.aisitex-section-kicker) {
      margin: 17px 0 0;
      color: #59645f;
      font-size: 15px;
      line-height: 1.9;
    }

    .aisitex-evidence-copy a {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin-top: 24px;
      color: #24332e;
      font-size: 14px;
      font-weight: 700;
    }

    .aisitex-evidence-copy a:hover {
      color: #557c50;
    }

    .aisitex-evidence-copy a svg {
      width: 16px;
      height: 16px;
    }

    .aisitex-evidence-visual {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 18px;
      min-width: 0;
    }

    .aisitex-evidence-visual img {
      display: block;
      width: min(47%, 250px);
      height: auto;
      object-fit: contain;
      background: #e7e9e6;
    }

    .aisitex-evidence-visual img:last-child {
      width: min(42%, 222px);
      margin-top: 48px;
    }

    .aisitex-platform-section {
      display: grid;
      grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
      gap: 60px;
      padding-block: 69px 74px;
    }

    .aisitex-platform-intro p {
      max-width: 310px;
      margin: 15px 0 0;
      color: var(--aisitex-muted);
      font-size: 14px;
      line-height: 1.85;
    }

    .aisitex-route-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .aisitex-route-table th,
    .aisitex-route-table td {
      padding: 15px 12px;
      border-bottom: 1px solid var(--aisitex-line);
      vertical-align: middle;
    }

    .aisitex-route-table th {
      color: #74807a;
      font-size: 12px;
      font-weight: 600;
    }

    .aisitex-route-table td {
      color: #35413c;
      font-size: 14px;
    }

    .aisitex-route-table td:last-child {
      text-align: right;
    }

    .aisitex-table-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: #2d4940;
      font-weight: 650;
    }

    .aisitex-table-link:hover {
      color: #4e7658;
    }

    .aisitex-table-link svg {
      width: 14px;
      height: 14px;
    }

    .aisitex-closing {
      color: var(--aisitex-white);
      background: var(--aisitex-ink);
    }

    .aisitex-closing-inner {
      min-height: 190px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 36px;
      padding-block: 38px;
    }

    .aisitex-closing-copy h2 {
      margin: 0;
      color: var(--aisitex-white);
      font-size: 26px;
      font-weight: 680;
      line-height: 1.4;
    }

    .aisitex-closing-copy p {
      margin: 8px 0 0;
      color: #a9b3ad;
      font-size: 14px;
    }

    .aisitex-closing-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 23px;
    }

    .aisitex-closing-primary {
      display: inline-flex;
      min-height: 48px;
      align-items: center;
      gap: 15px;
      padding: 0 16px;
      color: var(--aisitex-ink);
      background: var(--aisitex-lime);
      font-size: 14px;
      font-weight: 700;
      transition: background-color 180ms ease;
    }

    .aisitex-closing-primary:hover {
      background: #d5ed83;
    }

    .aisitex-closing-primary svg {
      width: 16px;
      height: 16px;
    }

    .aisitex-closing-secondary,
    .aisitex-closing-text {
      color: #e3e8e3;
      font-size: 14px;
      transition: color 180ms ease;
    }

    .aisitex-closing-secondary:hover,
    .aisitex-closing-text:hover {
      color: var(--aisitex-lime);
    }

    .aisitex-footer {
      color: #9aa49f;
      background: var(--aisitex-ink);
      border-top: 1px solid var(--aisitex-dark-line);
    }

    .aisitex-footer-inner {
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      font-size: 12px;
    }

    .aisitex-footer-brand {
      color: #dce2dc;
      font-weight: 650;
    }

    @media (max-width: 900px) {
      .aisitex-shell {
        width: min(100% - 44px, var(--aisitex-width));
      }

      .aisitex-hero-inner {
        min-height: 430px;
        grid-template-columns: minmax(0, 1fr) minmax(245px, 0.8fr);
        gap: 28px;
      }

      .aisitex-hero-title {
        font-size: 44px;
      }

      .aisitex-route-detail {
        display: none;
      }

      .aisitex-boundary,
      .aisitex-platform-section {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .aisitex-boundary-list {
        gap: 18px;
      }

      .aisitex-evidence {
        gap: 38px;
      }
    }

    @media (max-width: 680px) {
      .aisitex-shell {
        width: calc(100% - 40px);
      }

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

      .aisitex-menu-toggle {
        display: grid;
      }

      .aisitex-nav {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 5px 20px 13px;
        background: var(--aisitex-ink);
        border-bottom: 1px solid var(--aisitex-dark-line);
      }

      .aisitex-nav[hidden] {
        display: none;
      }

      .aisitex-nav-link {
        padding: 13px 0;
        border-bottom: 1px solid #293130;
      }

      .aisitex-nav-link.active::after {
        top: 50%;
        right: 0;
        bottom: auto;
        left: auto;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        transform: translateY(-50%);
      }

      .aisitex-hero-inner {
        min-height: 0;
        grid-template-columns: 1fr;
        gap: 30px;
        padding-block: 49px 28px;
      }

      .aisitex-eyebrow {
        margin-bottom: 16px;
      }

      .aisitex-hero-title {
        max-width: 440px;
        font-size: 38px;
      }

      .aisitex-hero-description {
        margin-top: 15px;
        font-size: 15px;
      }

      .aisitex-hero-action {
        width: 100%;
        justify-self: stretch;
        padding: 20px 0 0;
        border-top: 1px solid var(--aisitex-dark-line);
        border-left: 0;
      }

      .aisitex-primary-link {
        width: 100%;
      }

      .aisitex-action-note {
        margin-top: 9px;
      }

      .aisitex-route-band {
        grid-template-columns: 1fr;
      }

      .aisitex-route-item {
        min-height: 51px;
        gap: 12px;
        padding: 10px 0;
        border-top: 1px solid var(--aisitex-dark-line);
      }

      .aisitex-route-item:not(:last-child)::after {
        top: auto;
        right: auto;
        bottom: -1px;
        left: 3px;
        width: 1px;
        height: 13px;
        transform: translateY(100%);
        animation-name: aisitex-route-reveal-mobile;
      }

      @keyframes aisitex-route-reveal-mobile {
        from {
          opacity: 0;
          transform: translateY(100%) scaleY(0.15);
        }
        to {
          opacity: 1;
          transform: translateY(100%) scaleY(1);
        }
      }

      .aisitex-reading {
        padding-block: 49px 54px;
      }

      .aisitex-boundary {
        gap: 22px;
        padding-bottom: 42px;
      }

      .aisitex-section-title {
        font-size: 26px;
      }

      .aisitex-boundary-list {
        grid-template-columns: 1fr;
        gap: 19px;
        padding-left: 13px;
        border-left: 1px solid #aeb9b2;
      }

      .aisitex-boundary-list dd {
        max-width: 480px;
      }

      .aisitex-map-section {
        padding-block: 45px 48px;
      }

      .aisitex-map-heading {
        align-items: start;
        flex-direction: column;
        gap: 11px;
        margin-bottom: 23px;
      }

      .aisitex-map-heading p {
        max-width: 460px;
      }

      .aisitex-task-map {
        grid-template-columns: 1fr;
      }

      .aisitex-task-node {
        min-height: 118px;
        grid-template-columns: 32px minmax(0, 1fr) auto;
        gap: 11px;
        padding: 18px 14px;
      }

      .aisitex-task-node h3 {
        font-size: 17px;
      }

      .aisitex-evidence {
        grid-template-columns: 1fr;
        gap: 26px;
        padding-block: 47px;
      }

      .aisitex-evidence-copy p:not(.aisitex-section-kicker) {
        margin-top: 12px;
      }

      .aisitex-evidence-visual {
        justify-content: center;
        gap: 13px;
      }

      .aisitex-evidence-visual img {
        width: min(48%, 220px);
      }

      .aisitex-evidence-visual img:last-child {
        width: min(43%, 194px);
        margin-top: 29px;
      }

      .aisitex-platform-section {
        gap: 24px;
        padding-block: 47px;
      }

      .aisitex-route-table th,
      .aisitex-route-table td {
        padding: 12px 6px;
      }

      .aisitex-route-table th {
        font-size: 11px;
      }

      .aisitex-route-table td {
        font-size: 12px;
      }

      .aisitex-route-table td:first-child {
        width: 42%;
      }

      .aisitex-route-table td:nth-child(2) {
        width: 30%;
      }

      .aisitex-table-link {
        gap: 3px;
        font-size: 12px;
      }

      .aisitex-table-link svg {
        width: 12px;
        height: 12px;
      }

      .aisitex-closing-inner {
        min-height: 0;
        align-items: start;
        flex-direction: column;
        gap: 23px;
        padding-block: 35px;
      }

      .aisitex-closing-copy h2 {
        font-size: 23px;
      }

      .aisitex-closing-actions {
        align-items: center;
        gap: 16px;
      }

      .aisitex-closing-primary {
        min-height: 45px;
      }

      .aisitex-closing-secondary,
      .aisitex-closing-text {
        font-size: 13px;
      }

      .aisitex-footer-inner {
        min-height: 58px;
      }
    }

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

.aisitex-header {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: #1a2121;
}

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

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

.aisitex-header a:focus-visible, .aisitex-header button:focus-visible{
      outline: 3px solid #54b8a6;
      outline-offset: 4px;
    }

.aisitex-header .aisitex-shell{
      width: min(1200px, calc(100% - 64px));
      margin-inline: auto;
    }

.aisitex-header{
      position: relative;
      z-index: 2;
      color: #f4f1e8;
      background: #111516;
      border-bottom: 1px solid #394342;
    }

.aisitex-header .aisitex-header-inner{
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }

.aisitex-header .aisitex-wordmark{
      display: inline-flex;
      align-items: baseline;
      gap: 12px;
      flex: 0 0 auto;
      font-weight: 750;
      font-size: 21px;
      line-height: 1;
    }

.aisitex-header .aisitex-wordmark small{
      color: #9ba6a1;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 10px;
      font-weight: 500;
    }

.aisitex-header .aisitex-nav{
      display: flex;
      align-items: center;
      gap: 30px;
    }

.aisitex-header .aisitex-nav-link{
      position: relative;
      padding: 27px 0 25px;
      color: #c6ceca;
      font-size: 14px;
      transition: color 180ms ease;
    }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
      color: #f4f1e8;
    }

.aisitex-header .aisitex-nav-link.active::after{
      position: absolute;
      right: 0;
      bottom: 16px;
      left: 0;
      height: 2px;
      background: #c7e36b;
      content: "";
    }

.aisitex-header .aisitex-menu-toggle{
      display: none;
      width: 42px;
      height: 42px;
      place-items: center;
      color: #f4f1e8;
      background: transparent;
      border: 1px solid #394342;
      border-radius: 3px;
      cursor: pointer;
    }

.aisitex-header .aisitex-menu-toggle span, .aisitex-header .aisitex-menu-toggle span::before, .aisitex-header .aisitex-menu-toggle span::after{
      display: block;
      width: 17px;
      height: 1px;
      background: currentColor;
    }

.aisitex-header .aisitex-menu-toggle span{
      position: relative;
    }

.aisitex-header .aisitex-menu-toggle span::before, .aisitex-header .aisitex-menu-toggle span::after{
      position: absolute;
      left: 0;
      content: "";
    }

.aisitex-header .aisitex-menu-toggle span::before{
      top: -6px;
    }

.aisitex-header .aisitex-menu-toggle span::after{
      top: 6px;
    }

@media (max-width: 900px){.aisitex-header .aisitex-shell{
        width: min(100% - 44px, 1200px);
      }}

@media (max-width: 680px){.aisitex-header .aisitex-shell{
        width: calc(100% - 40px);
      }

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

.aisitex-header .aisitex-menu-toggle{
        display: grid;
      }

.aisitex-header .aisitex-nav{
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 5px 20px 13px;
        background: #111516;
        border-bottom: 1px solid #394342;
      }

.aisitex-header .aisitex-nav[hidden]{
        display: none;
      }

.aisitex-header .aisitex-nav-link{
        padding: 13px 0;
        border-bottom: 1px solid #293130;
      }

.aisitex-header .aisitex-nav-link.active::after{
        top: 50%;
        right: 0;
        bottom: auto;
        left: auto;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        transform: translateY(-50%);
      }}

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

.aisitex-footer {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: #1a2121;
}

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

.aisitex-footer .aisitex-shell{
      width: min(1200px, calc(100% - 64px));
      margin-inline: auto;
    }

.aisitex-footer{
      color: #9aa49f;
      background: #111516;
      border-top: 1px solid #394342;
    }

.aisitex-footer .aisitex-footer-inner{
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      font-size: 12px;
    }

.aisitex-footer .aisitex-footer-brand{
      color: #dce2dc;
      font-weight: 650;
    }

@media (max-width: 900px){.aisitex-footer .aisitex-shell{
        width: min(100% - 44px, 1200px);
      }}

@media (max-width: 680px){.aisitex-footer .aisitex-shell{
        width: calc(100% - 40px);
      }

.aisitex-footer .aisitex-footer-inner{
        min-height: 58px;
      }}

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