:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  --aisitex-bg: #f7f5f0;
  --aisitex-ink: #172432;
  --aisitex-stage: #101923;
  --aisitex-accent: #c9953d;
  --aisitex-coral: #d96d5c;
  --aisitex-line: #dcd dd9;
  --aisitex-line: #dcded9;
  --aisitex-surface: #ffffff;
  --aisitex-muted: #64707a;
  --aisitex-content: min(1180px, calc(100% - 48px));
}
*:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  box-sizing: border-box;
}
html:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  scroll-behavior: smooth;
}
body:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  margin: 0;
  background: var(--aisitex-bg);
  color: var(--aisitex-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: block;
  max-width: 100%;
}
a:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  color: inherit;
}
.aisitex-guide-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  overflow: hidden;
}
.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  padding: 72px 0 96px;
  background: var(--aisitex-bg);
}
.aisitex-guide-hero-inner:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: var(--aisitex-content);
  margin: 0 auto;
}
.aisitex-guide-kicker:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--aisitex-accent);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.aisitex-guide-kicker:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before {
  width: 35px;
  height: 1px;
  background: var(--aisitex-accent);
  content: "";
}
.aisitex-guide-intro:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  max-width: 660px;
  margin-bottom: 48px;
}
.aisitex-guide-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  max-width: 680px;
  margin: 0 0 18px;
  color: var(--aisitex-ink);
  font-size: clamp(38px, 5vw, 66px);
  font-weight: 760;
  letter-spacing: -.045em;
  line-height: 1.08;
}
.aisitex-guide-lead:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  max-width: 600px;
  margin: 0;
  color: #53606a;
  font-size: 17px;
  line-height: 1.8;
}
.aisitex-guide-stage:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: grid;
  grid-template-columns: minmax(260px, .78fr) minmax(380px, 1.22fr);
  min-height: 560px;
  overflow: hidden;
  background: var(--aisitex-stage);
  color: #fff;
}
.aisitex-guide-path:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  padding: 50px 44px 48px;
}
.aisitex-guide-path-heading:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  max-width: 280px;
  margin: 0 0 38px;
  color: #fff;
  font-size: 25px;
  font-weight: 680;
  letter-spacing: -.025em;
  line-height: 1.3;
}
.aisitex-guide-steps:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.aisitex-guide-steps:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before {
  position: absolute;
  top: 16px;
  bottom: 17px;
  left: 14px;
  width: 1px;
  background: rgba(255, 255, 255, .22);
  content: "";
}
.aisitex-guide-step:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  position: relative;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 17px;
  padding-bottom: 28px;
}
.aisitex-guide-step:last-child:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  padding-bottom: 0;
}
.aisitex-guide-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  position: relative;
  z-index: 1;
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 1px solid var(--aisitex-accent);
  border-radius: 50%;
  background: var(--aisitex-stage);
  color: var(--aisitex-accent);
  font-size: 11px;
  font-weight: 760;
}
.aisitex-guide-step-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  margin: 0 0 5px;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}
.aisitex-guide-step-description:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  margin: 0;
  color: #aeb8bf;
  font-size: 13px;
  line-height: 1.7;
}
.aisitex-guide-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  position: relative;
  display: grid;
  min-height: 560px;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(105deg, rgba(16, 25, 35, 1) 0%, rgba(16, 25, 35, .82) 35%, rgba(16, 25, 35, .28) 100%),
    url("../../img/product-2eace162d047dff2.jpg") center / cover;
}
.aisitex-guide-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(16, 25, 35, .48), transparent 45%);
  content: "";
  pointer-events: none;
}
.aisitex-phone:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  position: relative;
  z-index: 1;
  width: min(300px, 58%);
  filter: drop-shadow(0 22px 28px rgba(0, 0, 0, .36));
  animation: aisitex-phone-arrive .8s cubic-bezier(.2, .75, .25, 1) both;
}
.aisitex-phone img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 100%;
  height: auto;
}
.aisitex-stage-note:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  position: absolute;
  z-index: 2;
  right: 34px;
  bottom: 31px;
  max-width: 180px;
  color: rgba(255, 255, 255, .72);
  font-size: 12px;
  line-height: 1.55;
}
.aisitex-stage-note strong:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: block;
  margin-bottom: 5px;
  color: var(--aisitex-accent);
  font-size: 12px;
  letter-spacing: .08em;
}
.aisitex-guide-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: var(--aisitex-content);
  margin: 0 auto;
  padding: 108px 0;
}
.aisitex-section-heading:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: grid;
  grid-template-columns: minmax(250px, .7fr) minmax(300px, 1fr);
  gap: 60px;
  align-items: end;
  margin-bottom: 48px;
}
.aisitex-section-eyebrow:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  margin: 0 0 13px;
  color: var(--aisitex-coral);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: .16em;
}
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  margin: 0;
  color: var(--aisitex-ink);
  font-size: clamp(29px, 3.2vw, 45px);
  font-weight: 730;
  letter-spacing: -.04em;
  line-height: 1.16;
}
.aisitex-section-summary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  max-width: 470px;
  margin: 0;
  color: var(--aisitex-muted);
  font-size: 15px;
  line-height: 1.85;
}
.aisitex-task-table:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  border-top: 1px solid var(--aisitex-line);
}
.aisitex-task-row:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: grid;
  grid-template-columns: 1.15fr .8fr 1.2fr;
  gap: 28px;
  align-items: center;
  min-height: 84px;
  padding: 17px 0;
  border-bottom: 1px solid var(--aisitex-line);
}
.aisitex-task-row-heading:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  min-height: 48px;
  color: #7c858b;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.aisitex-task:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-weight: 690;
}
.aisitex-location:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  color: var(--aisitex-coral);
  font-size: 14px;
  font-weight: 650;
}
.aisitex-next:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  color: #5d6871;
  font-size: 14px;
}
.aisitex-return-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  padding-top: 94px;
  padding-bottom: 118px;
}
.aisitex-return-layout:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: grid;
  grid-template-columns: minmax(260px, .9fr) minmax(380px, 1.1fr);
  gap: 74px;
  align-items: stretch;
}
.aisitex-return-copy:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.aisitex-return-list:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  margin: 31px 0 0;
  padding: 0;
  border-top: 1px solid var(--aisitex-line);
  list-style: none;
}
.aisitex-return-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 23px 0;
  border-bottom: 1px solid var(--aisitex-line);
}
.aisitex-return-label:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 720;
}
.aisitex-return-description:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  margin: 0;
  color: var(--aisitex-muted);
  font-size: 13px;
  line-height: 1.65;
}
.aisitex-return-link:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 0;
  color: var(--aisitex-ink);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.aisitex-return-link:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
  color: var(--aisitex-accent);
  content: "↗";
  font-size: 17px;
  transition: transform .2s ease;
}
.aisitex-return-link:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after, 
.aisitex-return-link:focus-visible:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
  transform: translate(3px, -3px);
}
.aisitex-return-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  position: relative;
  min-height: 395px;
  overflow: hidden;
  background: var(--aisitex-stage);
}
.aisitex-return-visual img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 100%;
  height: 100%;
  min-height: 395px;
  object-fit: cover;
  object-position: center top;
}
.aisitex-return-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16, 25, 35, .28), transparent 60%);
  content: "";
  pointer-events: none;
}
.aisitex-return-caption:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  position: absolute;
  z-index: 1;
  right: 27px;
  bottom: 24px;
  left: 27px;
  color: #fff;
  font-size: 14px;
  font-weight: 650;
}
.aisitex-return-caption span:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, .7);
  font-size: 12px;
  font-weight: 400;
}
.aisitex-footer-brand:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  color: var(--aisitex-ink);
  font-size: 14px;
  font-weight: 730;
}
.aisitex-footer-copy:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  color: #7d858a;
  font-size: 12px;
}
.aisitex-focusable:focus-visible:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-return-link:focus-visible:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  outline: 2px solid var(--aisitex-accent);
  outline-offset: 4px;
}
@keyframes aisitex-phone-arrive {
  from {
    opacity: 0;
    transform: translateY(24px) scale(.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
@media (max-width: 820px) {:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-content: min(100% - 36px, 620px);
  }
.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    padding: 53px 0 62px;
  }
.aisitex-guide-intro:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 34px;
  }
.aisitex-guide-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: clamp(36px, 10vw, 54px);
  }
.aisitex-guide-stage:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr;
  }
.aisitex-guide-path:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    padding: 34px 27px 38px;
  }
.aisitex-guide-path-heading:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 28px;
  }
.aisitex-guide-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    min-height: 500px;
  }
.aisitex-phone:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: min(280px, 60%);
  }
.aisitex-stage-note:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    right: 21px;
    bottom: 21px;
  }
.aisitex-guide-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    padding: 72px 0;
  }
.aisitex-section-heading:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: block;
    margin-bottom: 35px;
  }
.aisitex-section-summary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-top: 18px;
  }
.aisitex-task-row:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr 1fr;
    gap: 10px 22px;
    padding: 19px 0;
  }
.aisitex-task-row-heading:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: none;
  }
.aisitex-task:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-column: 1 / -1;
  }
.aisitex-next:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-column: 1 / -1;
  }
.aisitex-return-layout:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr;
    gap: 48px;
  }
.aisitex-return-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    min-height: 290px;
  }
.aisitex-return-visual img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    min-height: 290px;
  }}
@media (max-width: 480px) {:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-content: calc(100% - 32px);
  }
.aisitex-guide-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 38px;
  }
.aisitex-guide-lead:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 15px;
  }
.aisitex-guide-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    min-height: 430px;
  }
.aisitex-phone:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 64%;
  }
.aisitex-stage-note:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    position: static;
    align-self: end;
    margin: 0 20px 19px auto;
  }
.aisitex-return-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr;
    gap: 9px;
  }
.aisitex-return-link:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    justify-self: start;
  }}
@media (prefers-reduced-motion: reduce) {html:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    scroll-behavior: auto;
  }
.aisitex-phone:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    animation: none;
  }
.aisitex-return-link:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after{
    transition: none;
  }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.65;
    color: #172432;
}

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

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

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

.aisitex-header button{
            font: inherit;
        }

.aisitex-header img{
            display: block;
            max-width: 100%;
        }

.aisitex-header{
            position: sticky;
            z-index: 20;
            top: 0;
            border-bottom: 1px solid rgba(220, 221, 217, .8);
            background: rgba(247, 245, 240, .94);
            backdrop-filter: blur(14px);
            transition: background .25s ease, box-shadow .25s ease;
        }

.aisitex-header.is-scrolled{
            background: rgba(255, 255, 255, .96);
            box-shadow: 0 8px 24px rgba(23, 36, 50, .06);
        }

.aisitex-header .aisitex-nav-shell{
            width: min(1240px, calc(100% - 48px));
            min-height: 76px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

.aisitex-header .aisitex-brand{
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex: 0 0 auto;
            color: #172432;
        }

.aisitex-header .aisitex-brand img{
            width: 36px;
            height: 36px;
            object-fit: contain;
        }

.aisitex-header .aisitex-brand-name{
            font-size: 19px;
            font-weight: 750;
            letter-spacing: 0;
        }

.aisitex-header .aisitex-brand-caption{
            padding-left: 12px;
            border-left: 1px solid #d9d9d4;
            color: #68727a;
            font-size: 12px;
            letter-spacing: .08em;
        }

.aisitex-header .aisitex-nav{
            display: flex;
            align-items: center;
            gap: 6px;
        }

.aisitex-header .aisitex-nav-link{
            position: relative;
            display: inline-flex;
            align-items: center;
            min-height: 42px;
            padding: 0 16px;
            color: #56616b;
            font-size: 14px;
            transition: color .2s ease;
        }

.aisitex-header .aisitex-nav-link::after{
            position: absolute;
            right: 16px;
            bottom: 5px;
            left: 16px;
            height: 2px;
            content: "";
            background: #c9953d;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .2s ease;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link:focus-visible, .aisitex-header .aisitex-nav-link.active{
            color: #172432;
        }

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

.aisitex-header .aisitex-menu-button{
            display: none;
            width: 42px;
            height: 42px;
            padding: 0;
            border: 1px solid #d9d9d4;
            border-radius: 2px;
            background: #ffffff;
            color: #172432;
            cursor: pointer;
        }

.aisitex-header .aisitex-menu-icon, .aisitex-header .aisitex-menu-icon::before, .aisitex-header .aisitex-menu-icon::after{
            display: block;
            width: 17px;
            height: 1.5px;
            margin: 0 auto;
            background: currentColor;
            content: "";
            transition: transform .2s ease;
        }

.aisitex-header .aisitex-menu-icon::before{
            transform: translateY(-5px);
        }

.aisitex-header .aisitex-menu-icon::after{
            transform: translateY(3.5px);
        }

.aisitex-header, .aisitex-header :focus-visible{
            outline: 2px solid #d96d5c;
            outline-offset: 4px;
        }

@media (max-width: 680px){.aisitex-header .aisitex-nav-shell{
                width: min(100% - 32px, 1240px);
            }

.aisitex-header .aisitex-nav-shell{
                min-height: 68px;
            }

.aisitex-header .aisitex-brand-caption{
                display: none;
            }

.aisitex-header .aisitex-menu-button{
                display: block;
            }

.aisitex-header .aisitex-nav{
                position: absolute;
                top: 68px;
                right: 16px;
                left: 16px;
                display: block;
                padding: 8px;
                border: 1px solid #d9d9d4;
                background: #ffffff;
                box-shadow: 0 16px 30px rgba(23, 36, 50, .12);
            }

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

.aisitex-header .aisitex-nav-link{
                display: flex;
                min-height: 48px;
                padding: 0 14px;
            }

.aisitex-header .aisitex-nav-link::after{
                right: 14px;
                bottom: 0;
                left: 14px;
            }}

@media (prefers-reduced-motion: reduce){.aisitex-header, .aisitex-header *, .aisitex-header::before, .aisitex-header *::before, .aisitex-header::after, .aisitex-header *::after{
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
            }}

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.65;
    color: #172432;
}

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

.aisitex-footer{
            padding: 27px 0;
            background: #101923;
            border-top: 1px solid rgba(255, 255, 255, .12);
            color: rgba(255, 255, 255, .52);
            font-size: 12px;
        }

.aisitex-footer .aisitex-footer-inner{
            width: min(1240px, calc(100% - 48px));
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

.aisitex-footer, .aisitex-footer :focus-visible{
            outline: 2px solid #d96d5c;
            outline-offset: 4px;
        }

@media (max-width: 680px){.aisitex-footer .aisitex-footer-inner{
                width: min(100% - 32px, 1240px);
            }

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

@media (prefers-reduced-motion: reduce){.aisitex-footer, .aisitex-footer *, .aisitex-footer::before, .aisitex-footer *::before, .aisitex-footer::after, .aisitex-footer *::after{
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
            }}


/* Unified dark official visual system */
:root {
  color-scheme: dark;
  --aisitex-dark-bg: #0b1118;
  --aisitex-dark-surface: #111a24;
  --aisitex-dark-surface-raised: #172331;
  --aisitex-dark-line: #283544;
  --aisitex-dark-text: #e6edf3;
  --aisitex-dark-muted: #9aa8b7;
  --aisitex-dark-blue: #2563eb;
  --aisitex-dark-blue-hover: #3b82f6;
}
html, body {
  background: var(--aisitex-dark-bg) !important;
  color: var(--aisitex-dark-text) !important;
}
body {
  -webkit-font-smoothing: antialiased;
}
header, footer, nav,
[class*="site-header"], [class*="header-shell"], [class*="nav-shell"], [class*="header-inner"] {
  background-color: #0d141d !important;
  color: var(--aisitex-dark-text) !important;
  border-color: var(--aisitex-dark-line) !important;
}
main, section, article, aside, form, details, fieldset {
  border-color: var(--aisitex-dark-line) !important;
}
[class*="hero"], [class*="section"], [class*="card"], [class*="panel"],
[class*="strip"], [class*="shell"], [class*="route"], [class*="feature"],
[class*="step"], [class*="support"], [class*="content"], [class*="table"],
[class*="choice"], [class*="map"], [class*="result"], [class*="intro"],
[class*="closing"], [class*="next"], [class*="task"], [class*="path"],
[class*="comparison"], [class*="flow"], [class*="evidence"] {
  background-color: var(--aisitex-dark-surface) !important;
  color: var(--aisitex-dark-text) !important;
  border-color: var(--aisitex-dark-line) !important;
}
h1, h2, h3, h4, h5, h6 {
  color: #f5f7fa !important;
}
p, li, label, summary, dt, dd {
  color: #c8d1dc;
}
[class*="muted"], [class*="meta"], [class*="caption"], [class*="description"],
[class*="lead"], [class*="copy"], [class*="eyebrow"], [class*="kicker"], [class*="note"] {
  color: var(--aisitex-dark-muted) !important;
}
a {
  color: #bfdbfe;
}
main a:not([class*="primary"]):not([class*="submit"]):not([class*="cta"]):not([class*="button"]) {
  color: #93c5fd;
}
input, textarea, select {
  background: #0f1720 !important;
  color: #f3f4f6 !important;
  border-color: #334155 !important;
}
input::placeholder, textarea::placeholder {
  color: #718096 !important;
}
a[class*="primary"], button[class*="primary"],
[class*="submit"], [class*="cta"], .aisitex-register-cta {
  background: var(--aisitex-dark-blue) !important;
  color: #ffffff !important;
  border-color: var(--aisitex-dark-blue-hover) !important;
  box-shadow: 0 10px 24px rgba(37, 99, 235, .28) !important;
}
a[class*="primary"]:hover, button[class*="primary"]:hover,
[class*="submit"]:hover, [class*="cta"]:hover, .aisitex-register-cta:hover,
a[class*="primary"]:focus-visible, button[class*="primary"]:focus-visible,
[class*="submit"]:focus-visible, [class*="cta"]:focus-visible, .aisitex-register-cta:focus-visible {
  background: var(--aisitex-dark-blue-hover) !important;
}
a[class*="secondary"], button[class*="secondary"], [class*="ghost"], [class*="quiet"],
[class*="text-link"], [class*="secondary-link"] {
  background: var(--aisitex-dark-surface-raised) !important;
  color: #dbeafe !important;
  border-color: #3a4a5d !important;
}
button:not([class*="toggle"]):not([class*="menu"]):not([class*="nav"]):not([class*="visibility"]) {
  border-color: var(--aisitex-dark-line);
  color: #dbeafe;
}
hr {
  border-color: var(--aisitex-dark-line) !important;
}


/* Prominent registration entry point */
.aisitex-register-cta {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 48px;
  padding: .8rem 1.35rem !important;
  border-radius: 8px;
  background: #2563eb !important;
  border: 1px solid #3b82f6 !important;
  color: #fff !important;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(37, 99, 235, .28) !important;
  text-decoration: none !important;
}
.aisitex-register-cta:hover,
.aisitex-register-cta:focus-visible {
  background: #3b82f6 !important;
  color: #fff !important;
  transform: translateY(-1px);
}
/* Navigation registration control sizing */
.aisitex-nav .aisitex-nav-register,.aisitex-main-nav .aisitex-nav-register,.aisitex-primary-nav .aisitex-nav-register,.aisitex-primary-menu .aisitex-nav-register{display:inline-flex!important;align-items:center;justify-content:center;min-height:38px!important;padding:7px 13px!important;border-radius:6px!important;font-size:14px!important;line-height:1.2!important;white-space:nowrap}
/* Shared official dark palette and accessible registration controls */
:root{color-scheme:dark;--aisitex-dark-bg:#0b1118;--aisitex-dark-surface:#111a24;--aisitex-dark-raised:#172331;--aisitex-dark-line:#283544;--aisitex-dark-text:#e6edf3;--aisitex-dark-muted:#9aa8b7;--aisitex-dark-blue:#2563eb;--aisitex-dark-blue-hover:#3b82f6}
html,body{background:#0b1118!important;color:#e6edf3!important}
header,footer,nav,[class*="site-header"],[class*="nav-shell"],[class*="header-shell"],[class*="header-inner"]{background:#0d141d!important;color:#e6edf3!important;border-color:#283544!important}
main,section,article,aside,form,details,fieldset,[class*="hero"],[class*="section"],[class*="card"],[class*="panel"],[class*="strip"],[class*="route"],[class*="feature"],[class*="step"],[class*="support"],[class*="content"],[class*="choice"],[class*="map"],[class*="result"],[class*="intro"],[class*="closing"],[class*="next"],[class*="task"],[class*="path"],[class*="comparison"],[class*="flow"],[class*="evidence"],[class*="frame"],[class*="visual"],[class*="shot"]{background-color:#111a24!important;color:#e6edf3!important;border-color:#283544!important}
h1,h2,h3,h4,h5,h6{color:#f5f7fa!important}p,li,label,summary,dt,dd{color:#c8d1dc}[class*="muted"],[class*="description"],[class*="lead"],[class*="copy"],[class*="note"],[class*="caption"]{color:#9aa8b7!important}
input,textarea,select{background:#0f1720!important;color:#f3f4f6!important;border-color:#334155!important}input::placeholder,textarea::placeholder{color:#718096!important}
a[class*="primary"],button[class*="primary"],[class*="submit"],[class*="cta"],.aisitex-register-cta{background:#2563eb!important;color:#fff!important;border-color:#3b82f6!important;box-shadow:0 10px 24px #2563eb47!important}
a[class*="primary"]:hover,button[class*="primary"]:hover,[class*="submit"]:hover,[class*="cta"]:hover,.aisitex-register-cta:hover{background:#3b82f6!important}
a[class*="secondary"],button[class*="secondary"],[class*="ghost"],[class*="quiet"],[class*="text-link"],[class*="secondary-link"]{background:#172331!important;color:#dbeafe!important;border-color:#3a4a5d!important}
.aisitex-nav-register{display:inline-flex!important;align-items:center;justify-content:center;min-height:38px!important;padding:7px 13px!important;border-radius:6px!important;font-size:14px!important;line-height:1.2!important;white-space:nowrap;color:#dbeafe!important;background:#172331!important;border:1px solid #3a4a5d}.aisitex-nav-register:hover,.aisitex-nav-register.active{background:#2563eb!important;color:#fff!important}
.aisitex-register-cta{display:inline-flex!important;align-items:center;justify-content:center;min-height:48px;padding:12px 22px!important;border-radius:7px;font-weight:750;text-decoration:none!important}