:root:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  --aisitex-download-bg: #f5f1e8;
  --aisitex-download-surface: #ffffff;
  --aisitex-download-soft: #e8efea;
  --aisitex-download-soft-strong: #dce9e1;
  --aisitex-download-primary: #0e6b68;
  --aisitex-download-primary-deep: #084b4a;
  --aisitex-download-action: #d96850;
  --aisitex-download-action-deep: #b9503d;
  --aisitex-download-text: #203331;
  --aisitex-download-muted: #667572;
  --aisitex-download-line: #d9dfd8;
  --aisitex-download-radius: 4px;
}
.aisitex-download-page:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  margin: 0;
  background: var(--aisitex-download-bg);
  color: var(--aisitex-download-text);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
.aisitex-download-main:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  overflow: hidden;
}
.aisitex-download-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  padding: 72px 24px 88px;
  border-bottom: 1px solid var(--aisitex-download-line);
}
.aisitex-download-hero-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(390px, 1.14fr);
  gap: clamp(48px, 8vw, 112px);
  align-items: center;
}
.aisitex-download-intro:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  max-width: 520px;
}
.aisitex-download-kicker:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-download-section-kicker:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-download-route-kicker:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  margin: 0 0 16px;
  color: var(--aisitex-download-primary);
  font-family: Inter, Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}
.aisitex-download-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  max-width: 500px;
  margin: 0;
  color: var(--aisitex-download-primary-deep);
  font-size: clamp(42px, 5.2vw, 72px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.08;
}
.aisitex-download-heading-line:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: block;
}
.aisitex-download-lede:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  max-width: 470px;
  margin: 28px 0 0;
  color: var(--aisitex-download-muted);
  font-size: 17px;
  line-height: 1.85;
}
.aisitex-download-meta: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: 0;
  max-width: 470px;
  margin: 44px 0 0;
  border-top: 1px solid var(--aisitex-download-line);
}
.aisitex-download-meta-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  min-width: 0;
  padding: 15px 20px 0 0;
}
.aisitex-download-meta-item + .aisitex-download-meta-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  padding-left: 20px;
  border-left: 1px solid var(--aisitex-download-line);
}
.aisitex-download-meta-label:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: block;
  margin-bottom: 4px;
  color: var(--aisitex-download-muted);
  font-size: 12px;
}
.aisitex-download-meta-value:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: block;
  color: var(--aisitex-download-text);
  font-size: 15px;
  font-weight: 600;
}
.aisitex-download-command:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  position: relative;
  min-width: 0;
  padding: clamp(28px, 4vw, 44px);
  background: var(--aisitex-download-soft);
  border: 1px solid var(--aisitex-download-soft-strong);
  border-radius: var(--aisitex-download-radius);
}
.aisitex-download-command:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
  position: absolute;
  top: 0;
  right: 34px;
  width: 56px;
  height: 5px;
  background: var(--aisitex-download-action);
  content: "";
}
.aisitex-download-command-head: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;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(14, 107, 104, 0.2);
}
.aisitex-download-command-tag:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  color: var(--aisitex-download-primary);
  font-family: Inter, Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.aisitex-download-command-mark:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  background: var(--aisitex-download-primary);
  border-radius: 50%;
  color: #ffffff;
}
.aisitex-download-command-mark svg:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  width: 19px;
  height: 19px;
}
.aisitex-download-command-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  margin: 30px 0 8px;
  color: var(--aisitex-download-primary-deep);
  font-size: clamp(27px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.2;
}
.aisitex-download-command-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  max-width: 480px;
  margin: 0;
  color: var(--aisitex-download-muted);
  font-size: 15px;
  line-height: 1.8;
}
.aisitex-download-command-footer:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 34px;
}
.aisitex-download-primary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 54px;
  padding: 12px 22px;
  border: 1px solid var(--aisitex-download-action);
  border-radius: var(--aisitex-download-radius);
  background: var(--aisitex-download-action);
  color: #ffffff;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}
.aisitex-download-primary:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  background: var(--aisitex-download-action-deep);
  border-color: var(--aisitex-download-action-deep);
  transform: translateY(-2px);
}
.aisitex-download-primary:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-download-context-link:focus-visible:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  outline: 3px solid rgba(217, 104, 80, 0.34);
  outline-offset: 4px;
}
.aisitex-download-primary:disabled:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-download-primary[aria-disabled="true"]:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  background: #b8bfbb;
  border-color: #b8bfbb;
  cursor: wait;
  transform: none;
}
.aisitex-download-icon:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}
.aisitex-download-status:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  min-height: 24px;
  margin: 0;
  color: var(--aisitex-download-primary);
  font-size: 13px;
  line-height: 1.5;
}
.aisitex-download-status[data-state="error"]:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  color: var(--aisitex-download-action-deep);
}
.aisitex-download-status[data-state="success"]:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  color: var(--aisitex-download-primary);
}
.aisitex-download-after:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  padding: 92px 24px 84px;
}
.aisitex-download-after-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-download-context-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  width: min(1000px, 100%);
  margin: 0 auto;
}
.aisitex-download-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  max-width: 650px;
  margin: 0;
  color: var(--aisitex-download-primary-deep);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.18;
}
.aisitex-download-section-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  max-width: 660px;
  margin: 18px 0 0;
  color: var(--aisitex-download-muted);
  font-size: 16px;
  line-height: 1.8;
}
.aisitex-download-route:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  position: relative;
  display: grid;
  gap: 0;
  max-width: 760px;
  margin: 54px 0 0 30px;
}
.aisitex-download-route:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
  position: absolute;
  top: 22px;
  bottom: 22px;
  left: 20px;
  width: 1px;
  background: var(--aisitex-download-line);
  content: "";
}
.aisitex-download-route-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 24px;
  min-width: 0;
  padding: 0 0 36px;
}
.aisitex-download-route-item:last-child:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  padding-bottom: 0;
}
.aisitex-download-route-number:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  position: relative;
  z-index: 1;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--aisitex-download-primary);
  border-radius: 50%;
  background: var(--aisitex-download-bg);
  color: var(--aisitex-download-primary);
  font-family: Inter, Arial, sans-serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.aisitex-download-route-content:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  min-width: 0;
  padding-top: 4px;
}
.aisitex-download-route-title:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  margin: 0;
  color: var(--aisitex-download-text);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}
.aisitex-download-route-description:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  max-width: 600px;
  margin: 7px 0 0;
  color: var(--aisitex-download-muted);
  font-size: 15px;
  line-height: 1.75;
}
.aisitex-download-context:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  padding: 74px 24px 92px;
  background: var(--aisitex-download-primary-deep);
  color: #ffffff;
}
.aisitex-download-context-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: grid;
  grid-template-columns: minmax(220px, 0.76fr) minmax(0, 1.24fr);
  gap: clamp(40px, 9vw, 128px);
  align-items: start;
}
.aisitex-download-context .aisitex-download-section-kicker:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  color: #9ed0c3;
}
.aisitex-download-context .aisitex-download-section-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  color: #ffffff;
  font-size: clamp(27px, 3.4vw, 42px);
}
.aisitex-download-context .aisitex-download-section-copy:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  color: #c7d9d2;
}
.aisitex-download-context-links:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: grid;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}
.aisitex-download-context-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
  align-items: center;
  padding: 21px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
}
.aisitex-download-context-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  transition: color 180ms ease;
}
.aisitex-download-context-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after {
  content: "→";
  font-family: Arial, sans-serif;
  font-size: 18px;
  transition: transform 180ms ease;
}
.aisitex-download-context-link:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  color: #f5c0ae;
}
.aisitex-download-context-link:hover:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after {
  transform: translateX(4px);
}
.aisitex-download-context-description:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
  margin: 0;
  color: #c7d9d2;
  font-size: 14px;
  line-height: 1.65;
}
@media (max-width: 900px) {.aisitex-download-hero-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    grid-template-columns: minmax(0, 1fr);
    gap: 56px;
  }
.aisitex-download-intro:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    max-width: 700px;
  }
.aisitex-download-lede:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-download-meta:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    max-width: 620px;
  }
.aisitex-download-context-inner:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    grid-template-columns: minmax(0, 1fr);
    gap: 38px;
  }}
@media (max-width: 640px) {.aisitex-download-hero:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    padding: 52px 20px 60px;
  }
.aisitex-download-heading:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    font-size: clamp(38px, 12vw, 56px);
  }
.aisitex-download-lede:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    margin-top: 22px;
    font-size: 16px;
  }
.aisitex-download-meta:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    margin-top: 32px;
  }
.aisitex-download-command:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    padding: 25px 20px 24px;
  }
.aisitex-download-command:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
    right: 20px;
  }
.aisitex-download-command-footer:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    display: grid;
    gap: 16px;
    margin-top: 28px;
  }
.aisitex-download-primary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    width: 100%;
  }
.aisitex-download-after:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    padding: 64px 20px 68px;
  }
.aisitex-download-route:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    margin: 40px 0 0 0;
  }
.aisitex-download-route-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 17px;
    padding-bottom: 30px;
  }
.aisitex-download-route-number:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    width: 38px;
    height: 38px;
  }
.aisitex-download-route:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::before {
    left: 18px;
  }
.aisitex-download-context:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    padding: 58px 20px 68px;
  }
.aisitex-download-context-item:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)){
    grid-template-columns: minmax(0, 1fr);
    gap: 7px;
    padding: 18px 0;
  }}
@media (prefers-reduced-motion: reduce) {.aisitex-download-primary:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), .aisitex-download-context-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *)), 
  .aisitex-download-context-link:not(:where(.aisitex-site-header, .aisitex-site-header *, .aisitex-site-footer, .aisitex-site-footer *))::after {
    transition: none;
  }}

.aisitex-site-header {
    font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #203331;
}

.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:focus-visible, .aisitex-site-header a:focus-visible{
            outline: 3px solid rgba(217, 104, 80, 0.48);
            outline-offset: 4px;
        }

.aisitex-site-header svg{
            display: block;
        }

.aisitex-site-header .aisitex-shell{
            width: min(calc(100% - 48px), 1200px);
            margin: 0 auto;
        }

.aisitex-site-header{
            position: relative;
            z-index: 10;
            border-bottom: 1px solid rgba(32, 51, 49, 0.12);
            background: rgba(245, 241, 232, 0.96);
        }

.aisitex-site-header .aisitex-header-inner{
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 78px;
            gap: 32px;
        }

.aisitex-site-header .aisitex-brand{
            display: inline-flex;
            align-items: baseline;
            gap: 11px;
            flex-shrink: 0;
        }

.aisitex-site-header .aisitex-brand-name{
            color: #084b4a;
            font-size: 21px;
            font-weight: 800;
            letter-spacing: 0;
            line-height: 1;
        }

.aisitex-site-header .aisitex-brand-note{
            color: #667572;
            font-size: 11px;
            letter-spacing: 0.08em;
            line-height: 1;
        }

.aisitex-site-header .aisitex-nav-toggle{
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            padding: 0;
            border: 1px solid #d9dfd8;
            border-radius: 4px;
            background: transparent;
            color: #084b4a;
            cursor: pointer;
        }

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

.aisitex-site-header .aisitex-nav-list{
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

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

.aisitex-site-header .aisitex-nav-link{
            position: relative;
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 16px;
            color: #667572;
            font-size: 14px;
            font-weight: 600;
            transition: color 180ms ease, background-color 180ms ease;
        }

.aisitex-site-header .aisitex-nav-link::after{
            position: absolute;
            right: 16px;
            bottom: 4px;
            left: 16px;
            height: 2px;
            background: #d96850;
            content: "";
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 180ms ease;
        }

.aisitex-site-header .aisitex-nav-link:hover, .aisitex-site-header .aisitex-nav-link.active{
            color: #084b4a;
        }

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

@media (max-width: 720px){.aisitex-site-header .aisitex-shell{
                width: min(calc(100% - 40px), 1200px);
            }

.aisitex-site-header .aisitex-header-inner{
                min-height: 68px;
            }

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

.aisitex-site-header .aisitex-nav-list{
                position: absolute;
                top: 68px;
                right: 20px;
                left: 20px;
                display: flex;
                align-items: stretch;
                flex-direction: column;
                gap: 0;
                border: 1px solid #d9dfd8;
                background: #fbfaf6;
                box-shadow: 0 14px 28px rgba(32, 51, 49, 0.1);
            }

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

.aisitex-site-header .aisitex-nav-link{
                min-height: 52px;
                padding: 0 18px;
                border-bottom: 1px solid #d9dfd8;
            }

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

.aisitex-site-header .aisitex-nav-link::after{
                right: 18px;
                bottom: 0;
                left: 18px;
            }}

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

.aisitex-site-footer {
    font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #203331;
}

.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 a:focus-visible{
            outline: 3px solid rgba(217, 104, 80, 0.48);
            outline-offset: 4px;
        }

.aisitex-site-footer .aisitex-shell{
            width: min(calc(100% - 48px), 1200px);
            margin: 0 auto;
        }

.aisitex-site-footer{
            padding: 28px 0 34px;
            background: #084b4a;
            color: #b9d0c8;
        }

.aisitex-site-footer .aisitex-footer-inner{
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

.aisitex-site-footer .aisitex-footer-brand{
            color: #ffffff;
            font-size: 15px;
            font-weight: 800;
        }

.aisitex-site-footer .aisitex-footer-copy{
            margin: 0;
            font-size: 12px;
        }

.aisitex-site-footer .aisitex-footer-nav{
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }

.aisitex-site-footer .aisitex-footer-nav a{
            font-size: 12px;
            transition: color 180ms ease;
        }

.aisitex-site-footer .aisitex-footer-nav a:hover{
            color: #ffffff;
        }

@media (max-width: 720px){.aisitex-site-footer .aisitex-shell{
                width: min(calc(100% - 40px), 1200px);
            }

.aisitex-site-footer .aisitex-footer-inner{
                align-items: flex-start;
                flex-direction: column;
            }}

@media (prefers-reduced-motion: reduce){.aisitex-site-footer, .aisitex-site-footer *, .aisitex-site-footer::before, .aisitex-site-footer *::before, .aisitex-site-footer::after, .aisitex-site-footer *::after{
                animation-duration: 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}