.ai-solution {
  --ai-gradient: linear-gradient(90deg, #1664ff 0%, #6840ff 100%);
  --ai-soft-bg: #eef4ff;
  color: var(--color-text);
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.ai-section__inner,
.ai-hero__inner {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.ai-hero {
    height: 500px;
    background: #eaf7ff url("/img/v2026/solution/ai/banner.jpg") center center / cover no-repeat;
}

.ai-hero__inner {
  display: flex;
  align-items: center;
  height: 100%;
}

.ai-hero__content {
  width: 820px;
}

.ai-hero__eyebrow {
  display: inline-flex;
  margin: 0 0 20px;
  padding: 9px 24px;
  border-radius: 24px;
  color: var(--color-primary);
  font-size: 18px;
  line-height: 26px;
  background: rgba(255, 255, 255, 0.92);
}

.ai-hero__title {
  width: 750px;
  max-width: 100%;
  margin: 0;
  font-size: 48px;
  line-height: 64px;
  font-weight: var(--weight-bold);
  letter-spacing: -1px;
}

.ai-hero__text {
  width: 750px;
  max-width: 100%;
  margin: 22px 0 30px;
  font-size: var(--font-size-subtitle);
  line-height: 32px;
}

.ai-hero__actions {
  display: flex;
  gap: 12px;
}

.ai-hero__button {
  position: relative;
  isolation: isolate;
  width: 210px;
  min-height: 48px;
  overflow: hidden;
  box-sizing: border-box;
  border: 0;
  font-size: 16px;
  box-shadow: none;
  transition: box-shadow 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.ai-hero__button.button--primary {
  background: var(--ai-gradient);
}

.ai-hero__button.button--primary::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -48px;
  width: calc(100% + 96px);
  z-index: 0;
  border-radius: 0 48px 48px 0;
  content: "";
  transform: translateX(-110%);
  transition: transform 0.68s cubic-bezier(0.22, 0.8, 0.28, 1);
  background: #1664ff;
}

.ai-hero__outline {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  fill: none;
  stroke: #1664ff;
  stroke-width: 1;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  pointer-events: none;
  transition: stroke-dashoffset 0.82s cubic-bezier(0.22, 0.8, 0.28, 1);
}

.ai-hero__outline path {
  vector-effect: non-scaling-stroke;
}

.ai-hero__button span {
  position: relative;
  z-index: 1;
}

.ai-hero__button:hover {
  box-shadow: 0 8px 20px rgba(21, 101, 216, 0.3);
  transform: translateY(-2px);
}

.ai-hero__button.button--primary:hover::before {
  transform: translateX(0);
}

.ai-hero__button--light:hover .ai-hero__outline {
  stroke-dashoffset: 0;
}

.ai-hero__button.button--primary:hover {
  color: #ffffff;
}

.ai-hero__button--light:hover {
  color: #1664ff;
  background: #ffffff;
}

.ai-hero__button--light {
  border: 0;
  color: var(--color-text);
  background: #ffffff;
}

.ai-heading {
  margin-bottom: 44px;
  text-align: center;
}

.ai-heading__tag {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 112px;
    min-height: 44px;
    padding: 8px 22px;
    border: 0;
    border-radius: 8px;
    box-sizing: border-box;
    color: transparent;
    font-size: 18px;
    line-height: 28px;
    font-weight: var(--weight-bold);
    background: linear-gradient(90deg, #1664ff 0%, #6648ff 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0 0 16px 0;
}

.ai-heading__tag::before {
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(90deg, #1664ff 0%, #6648ff 100%);
  content: "";
  pointer-events: none;
  -webkit-mask: linear-gradient(#ffffff 0 0) content-box, linear-gradient(#ffffff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#ffffff 0 0) content-box, linear-gradient(#ffffff 0 0);
  mask-composite: exclude;
}

.ai-heading__title {
  margin: 18px 0 10px;
  font-size: var(--font-size-title);
  line-height: var(--line-title);
  font-weight: var(--weight-bold);
}

.ai-heading__subtitle {
  max-width: 1100px;
  margin: 0 auto;
  color: var(--color-muted);
  font-size: var(--font-size-subtitle);
  line-height: var(--line-subtitle);
}

.challenge__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.challenge-card {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 132px;
  padding: 22px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-sizing: border-box;
  background: #ffffff;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.challenge-card:hover {
  border-color: #c5d8ff;
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.challenge-card__icon {
  width: 70px;
  height: 70px;
  object-fit: contain;
}

.challenge-card__title,
.scenario-card h3,
.value-card h3,
.workflow-card__title {
  margin: 0;
  font-size: var(--font-size-card-title);
  line-height: 30px;
  font-weight: var(--weight-bold);
}

.challenge-card__text,
.scenario-card p,
.value-card p {
  margin: 6px 0 0;
  color: var(--color-muted);
  font-size: var(--font-size-small);
  line-height: var(--line-body);
}

.challenge__button {
  position: relative;
  display: flex;
  width: 224px;
  height: 48px;
  margin: 34px auto 0;
  overflow: hidden;
  box-sizing: border-box;
  border: 0;
  border-radius: 10px;
  color: #ffffff;
  font-size: 16px;
  background-image: linear-gradient(90deg, #1664ff 0%, #6c3ed9 100%);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.challenge__button::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -48px;
  width: calc(100% + 96px);
  border-radius: 0 48px 48px 0;
  background: #1664ff;
  content: "";
  transform: translateX(-100%);
  transition: transform 0.68s cubic-bezier(0.22, 0.8, 0.28, 1);
}

.challenge__button span {
  position: relative;
  z-index: 1;
}

.challenge__button:hover {
  color: #ffffff;
  background-image: linear-gradient(90deg, #1664ff 0%, #6c3ed9 100%);
  box-shadow: 0 8px 20px rgba(21, 101, 216, 0.3);
  transform: translateY(-2px);
}

.challenge__button:hover::before {
  transform: translateX(0);
}

.workflow,
.values {
  background: var(--ai-soft-bg);
}

.workflow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr);
  align-items: center;
}

.workflow-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 8px 26px rgba(25, 72, 146, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.workflow-card:hover {
  box-shadow: 0 18px 38px rgba(23, 72, 152, 0.2);
  transform: translateY(-7px);
}

.workflow-card__number {
  position: absolute;
  top: 22px;
  right: 22px;
  color: #b8c9e8;
  font-size: 28px;
  line-height: 34px;
}

.workflow-card__title {
  padding: 28px 24px 0;
}

.workflow-card__list {
  flex: 0 0 auto;
  margin: 14px 0 18px;
  padding: 0 24px 0 38px;
  color: var(--color-muted);
  line-height: 28px;
}

.workflow-card__solution {
  min-height: 110px;
  padding: 18px 24px;
  box-sizing: border-box;
  color: #ffffff;
  background: linear-gradient(90deg, #499efe 0%, #a2ceff 100%);
  transition: background 0.25s ease;
}

.workflow-card:hover .workflow-card__solution {
  background: linear-gradient(90deg, #466f9c 0%, #88a6d2 100%);
}

.workflow-card__solution > span {
  display: block;
  margin-bottom: 11px;
  font-size: 16px;
}

.workflow-card__solution div {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.workflow-card__solution a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 4px;
  box-sizing: border-box;
  color: #ffffff;
  font-size: 14px;
  line-height: 22px;
  transition: color 0.2s ease, background 0.2s ease;
}

.workflow-card__solution a:hover {
  color: var(--color-primary);
  background: #ffffff;
}

.workflow__arrow {
  width: 0;
  height: 0;
  margin: 0 auto;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 12px solid #3670ff;
}

.architecture__layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.52fr) minmax(420px, 0.82fr);
  gap: 34px;
  align-items: stretch;
  padding: 26px;
  border: 1px solid #dfe9fb;
  border-radius: 20px;
  background: linear-gradient(135deg, #f5f9ff 0%, #ffffff 55%, #edf4ff 100%);
  box-shadow: 0 20px 50px rgba(31, 82, 160, 0.1);
}

.architecture__image {
  width: 100%;
  height: 100%;
  min-height: 430px;
  border-radius: 14px;
  object-fit: contain;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(206, 222, 249, 0.8);
}

.architecture__cards {
  display: grid;
  gap: 8px;
}

.architecture-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  align-items: center;
  padding: 20px 24px 20px 20px;
  border: 1px solid #dce8fb;
  border-radius: 14px;
  background: #ffffff;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.architecture-card::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  content: "";
  background: linear-gradient(180deg, #1664ff, #6648ff);
}

.architecture-card:hover {
  border-color: #bdd2ff;
  box-shadow: var(--shadow-card);
  transform: translateX(5px);
}

.architecture-card strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  color: #ffffff;
  font-size: 22px;
  font-weight: var(--weight-bold);
  background: linear-gradient(135deg, #1664ff, #6648ff);
  box-shadow: 0 8px 18px rgba(45, 83, 225, 0.24);
}

.architecture-card ul {
  margin: 0;
  padding-left: 20px;
  font-size: 16px;
  line-height: 31px;
}

.scenarios {
  background: linear-gradient(120deg, #246cf0 0%, #3137b9 100%);
}

.ai-heading--light .ai-heading__tag {
  color: #b4cdff;
  background: none;
  -webkit-text-fill-color: #b4cdff;
}

.ai-heading--light .ai-heading__tag::before {
  background: #b4cdff;
}

.ai-heading--light .ai-heading__title,
.ai-heading--light .ai-heading__subtitle {
  color: #ffffff;
}

.scenarios__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.scenario-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 18px;
  min-height: 172px;
  padding: 26px;
  border-radius: var(--radius-card);
  box-sizing: border-box;
  background: #ffffff;
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.scenario-card:hover {
  box-shadow: 0 18px 34px rgba(8, 29, 104, 0.35);
  transform: translateY(-5px);
}

.scenario-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(23, 70, 160, 0.2);
}

.scenario-card:nth-child(1) .scenario-card__icon {
  background: linear-gradient(135deg, #3889f5 0%, #25caef 100%);
}

.scenario-card:nth-child(2) .scenario-card__icon {
  background: linear-gradient(135deg, #e37945 0%, #ffc66b 100%);
}

.scenario-card:nth-child(3) .scenario-card__icon {
  background: linear-gradient(135deg, #6b69f2 0%, #b781fb 100%);
}

.scenario-card:nth-child(4) .scenario-card__icon {
  background: linear-gradient(135deg, #11a871 0%, #4cc1bd 100%);
}

.scenario-card__icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.scenario-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 9px;
}

.scenario-card__tags span {
  padding: 5px 14px;
  border-radius: 16px;
  color: var(--color-primary);
  font-size: 14px;
  line-height: 22px;
  background: #edf3ff;
}

.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.advantage-card {
  position: relative;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  min-width: 0;
  min-height: 168px;
  padding: 28px;
  border: 1px solid rgba(220, 231, 255, 0.9);
  border-radius: 12px;
  box-sizing: border-box;
  background: linear-gradient(135deg, rgba(22, 100, 255, 0.06) 0%, rgba(255, 255, 255, 0) 46%), #ffffff;
  box-shadow: 0 10px 28px rgba(15, 61, 133, 0.06);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.advantage-card:hover {
  border-color: rgba(22, 100, 255, 0.35);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.advantage-card__icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  color: var(--color-primary);
  background: #edf5ff;
  box-shadow: inset 0 0 0 1px rgba(22, 100, 255, 0.08);
  transition: color 0.24s ease, background 0.24s ease, transform 0.24s ease;
}

.advantage-card__svg {
  width: 40px;
  height: 40px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.advantage-card:hover .advantage-card__icon {
  color: #ffffff;
  background: var(--color-primary);
  transform: scale(1.04);
}

.advantage-card__body {
  min-width: 0;
}

.advantage-card__title {
  margin: 0;
  color: var(--color-text);
  font-size: var(--font-size-card-title);
  line-height: 30px;
  font-weight: var(--weight-bold);
}

.advantage-card__text {
  margin: 12px 0 0;
  color: var(--color-text);
  font-size: var(--font-size-small);
  line-height: var(--line-body);
}

.consultation {
  line-height: 0;
}

.consultation__image {
  display: block;
  width: 100%;
  height: auto;
}

.ai-toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 20;
  padding: 10px 18px;
  border-radius: 6px;
  color: #ffffff;
  background: rgba(29, 33, 41, 0.9);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.ai-toast--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== 响应式 ==================== */
@media (max-width: 767px) {
  .ai-section__inner,
  .ai-hero__inner {
    width: calc(100% - 32px);
  }

  .section {
    padding: 40px 0;
  }

  .ai-hero {
    height: 230px;
    background-image: linear-gradient(90deg, rgba(235, 248, 255, 0.98) 0%, rgba(235, 248, 255, 0.78) 66%, rgba(235, 248, 255, 0.18) 100%), url("banner-m.jpg");
    background-position: center center;
  }

  .ai-hero__content {
    display: flex;
    flex-direction: column;
    width: 100%;
  }

  .ai-hero__eyebrow {
    order: 2;
    align-self: flex-start;
    max-width: 74%;
    margin: 18px 0;
    padding: 0;
    border-radius: 0;
    color: var(--color-text);
    font-size: 15px;
    line-height: 22px;
    background: transparent;
  }

  .ai-hero__title {
    order: 1;
    width: 74%;
    font-size: 24px;
    line-height: 31px;
    letter-spacing: 0;
  }

  .ai-hero__text {
    order: 3;
    width: 74%;
    display: none;
  }

  .ai-hero__actions {
    order: 4;
    gap: 8px;
  }

  .ai-hero__button {
    width: 140px;
    min-width: 140px;
    min-height: 40px;
    height: 40px;
    padding: 0 12px;
    font-size: 14px;
  }

  .ai-heading {
    margin-bottom: 28px;
  }

  .ai-heading__tag {
    min-width: 96px;
    min-height: 38px;
    padding: 5px 16px;
    font-size: 15px;
    line-height: 28px;
  }

  .ai-heading__title {
    margin-top: 12px;
    font-size: 23px;
    line-height: 32px;
  }

  .ai-heading__subtitle {
    font-size: 14px;
    line-height: 23px;
  }

  .challenge__grid,
  .scenarios__grid,
  .advantages__grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .challenge-card {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 12px;
    min-height: 0;
    padding: 18px;
  }

  .challenge-card__icon {
    width: 56px;
    height: 56px;
  }

  .challenge-card__title,
  .scenario-card h3,
  .advantage-card__title,
  .value-card h3,
  .workflow-card__title {
    font-size: 18px;
    line-height: 25px;
  }

  .workflow__grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .workflow-card {
    min-height: 0;
  }

  .workflow__arrow {
    margin: 0 auto;
    border-top: 12px solid #3670ff;
    border-right: 10px solid transparent;
    border-bottom: 0;
    border-left: 10px solid transparent;
  }

  .architecture__layout {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 14px;
  }

  .architecture__image {
    min-height: 0;
  }

  .architecture-card {
    grid-template-columns: 44px minmax(0, 1fr);
    padding: 14px 18px;
  }

  .architecture-card ul {
    font-size: 14px;
    line-height: 27px;
  }

  .scenario-card,
  .advantage-card {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 14px;
    min-height: 0;
    padding: 20px;
  }

  .scenario-card__icon {
    width: 56px;
    height: 56px;
  }

  .advantage-card__icon {
    width: 52px;
    height: 52px;
  }

  .advantage-card__svg {
    width: 34px;
    height: 34px;
  }

  .advantage-card__text {
    margin-top: 6px;
  }

}

@media (min-width: 768px) and (max-width: 1024px) {
  .ai-hero__content {
    width: 54%;
  }

  .ai-hero__title {
    font-size: 38px;
    line-height: 52px;
  }

  .challenge__grid,
  .scenarios__grid,
  .advantages__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .workflow__arrow {
    display: none;
  }

  .architecture__layout {
    grid-template-columns: 1fr;
  }

}