:root {
  --muted: #9b9b9b;
  --blue: #3fbcff;
  --blue-strong: #1aa3ff;
  --text-soft: #b0b0b0;
  --board-shadow: 0 20px 42px rgba(42, 89, 138, 0.12);
}

body {
  background: #fff;
}

.hero-inner,
.solution-inner,
.knowledge-inner {
  width: var(--content-width);
  margin: 0 auto;
}

.hero-section {
  position: relative;
  height: 650px;
  overflow: hidden;
  background:
    url("../assets/home/ai_banner.png") center top / cover no-repeat;
}

.hero-inner {
  position: relative;
  height: 100%;
}

.hero-copy {
  position: absolute;
  top: 175px;
  left: 3px;
  width: 415px;
}

.hero-copy h1 {
  margin: 0;
  font-size: 72px;
  line-height: 100px;
  font-weight: 700;
}

.hero-copy p {
  margin: 18px 0 64px;
  font-size: 24px;
  line-height: 34px;
  color: #404040;
}

.hero-grid {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(63, 188, 255, 0.24);
}

.hero-grid-left {
  left: -120px;
  bottom: -180px;
  width: 560px;
  height: 560px;
}

.hero-grid-right {
  right: -70px;
  top: 60px;
  width: 620px;
  height: 620px;
}

.hero-orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(63, 188, 255, 0.3);
}

.hero-orbit-large {
  right: 180px;
  top: 132px;
  width: 318px;
  height: 318px;
}

.hero-orbit-small {
  right: 250px;
  top: 202px;
  width: 178px;
  height: 178px;
}

.pill-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 196px;
  height: 60px;
  padding: 0 38px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 25px;
  font-weight: 600;
}

.pill-button::after {
  content: "";
  width: 10px;
  height: 10px;
  margin-left: 18px;
  border-top: 2.5px solid currentColor;
  border-right: 2.5px solid currentColor;
  transform: rotate(45deg);
}

.solution-section {
  padding: 74px 0 46px;
  background: #fff;
}

.knowledge-section {
  padding: 64px 0 12px;
  background: #fff;
}

.solution-inner,
.knowledge-inner {
  padding: 0 118px;
}

.section-heading {
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.22;
  font-weight: 700;
  color: #181818;
}

.section-heading p {
  margin: 26px 0 0;
  color: var(--text-soft);
  font-size: 18px;
  line-height: 1.9;
}

.section-heading p + p {
  margin-top: 0;
}

.capability-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 26px;
  margin: 54px auto 0;
  padding: 38px 26px 28px;
  border-radius: 22px;
  box-shadow: var(--board-shadow);
  position: relative;
  &::before{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    content: '';
    height: 105px;
    /* background: linear-gradient(180deg, #77D0FF 0%, #fff 100%);
     */
     background: #77D0FF;
    z-index: 1;
    border-top-right-radius: 22px;
    border-top-left-radius: 22px;
  }
  &::after{
    position: absolute;
    left: 0;
    top: 105px;
    height: 70px;
    content: '';
    width: 100%;
    background: linear-gradient(180deg, #77D0FF 0%, #fff 100%);
    z-index:1;
  }
}

.capability-column {
  min-width: 0;
  z-index: 2;
}

.capability-letter {
  margin-bottom: 36px;
  text-align: center;
  color: #fff;
  font-size: 42px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.3em;
}

.capability-list {
  display: grid;
  gap: 12px;
}

.capability-list span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 10px 12px;
  border-radius: 12px;
  color: #202020;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.capability-column-teach .capability-list span,
.capability-column-research .capability-list span {
  /* background: rgba(242, 250, 255, 0.88);
   */
   background: #ECF9FF;
}

.capability-column-learn .capability-list span {
  background: rgba(220, 230, 255, 0.9);
}

.capability-column-manage .capability-list span {
  background: rgba(255, 245, 229, 0.9);
}

.capability-column-evaluate .capability-list span {
  background: rgba(255, 224, 224, 0.9);
}

.knowledge-stage {
  position: relative;
  height: 680px;
  overflow: hidden;
  img{
    display: block;
    margin: 0 auto;

  }
 
}

.knowledge-pic {
  position: relative;
  height: 500px;
  margin-top: 54px;
  overflow: visible;
  perspective: 1200px;
  margin-bottom: 50px;
}

.knowledge-pic::before {
  content: "";
  position: absolute;
  left: 80px;
  right: 80px;
  top: 56px;
  bottom: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(244, 247, 255, 0.92) 0%, rgba(255, 255, 255, 0) 72%);
  z-index: 0;
}

.knowledge-pic__card {
  position: absolute;
  left: 50%;
  top: 48px;
  width: 640px;
  overflow: hidden;
  border: 1px solid rgba(177, 187, 208, 0.5);
  border-radius: 18px;
  background: rgba(248, 250, 255, 0.96);
  box-shadow: 0 22px 44px rgba(28, 47, 92, 0.08);
  transform-origin: center center;
  transition:
    transform 560ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 360ms ease,
    box-shadow 360ms ease;
  will-change: transform, opacity;
  height: 445px;
}

.knowledge-pic__card img {
  display: block;
  width: 100%;
  /* height: ; */
}

.knowledge-pic__card.is-active {
  z-index: 4;
  opacity: 1;
  border-color: rgba(196, 205, 225, 0.92);
  background: rgba(251, 252, 255, 0.98);
  box-shadow:
    0 20px 40px rgba(48, 66, 116, 0.08),
    0 8px 18px rgba(255, 255, 255, 0.72);
  transform: translate3d(-50%, 0, 0) scale(1.05);
  margin-top: 4px;
}

.knowledge-pic__card.is-active::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.65);
  pointer-events: none;
}

.knowledge-pic__card.is-left,
.knowledge-pic__card.is-right {
  z-index: 3;
  opacity: 0.72;
}

.knowledge-pic__card.is-left {
  transform: translate3d(-84%, 14px, -40px) scale(0.9);
}

.knowledge-pic__card.is-right {
  transform: translate3d(-16%, 14px, -40px) scale(0.9);
}

.knowledge-pic__card.is-far {
  z-index: 2;
  opacity: 0.48;
  transform: translate3d(10%, 14px, -72px) scale(0.86);
}

.knowledge-pic__card.is-hidden {
  z-index: 1;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-50%, 38px, -80px) scale(0.84);
}

.knowledge-pic__card.is-left::after,
.knowledge-pic__card.is-right::after,
.knowledge-pic__card.is-far::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(241, 245, 255, 0.42);
  pointer-events: none;
}

.knowledge-pic__card.is-left::after {
  background: linear-gradient(90deg, rgba(245, 248, 255, 0.2) 0%, rgba(241, 245, 255, 0.56) 100%);
}

.knowledge-pic__card.is-right::after {
  background: linear-gradient(270deg, rgba(245, 248, 255, 0.2) 0%, rgba(241, 245, 255, 0.56) 100%);
}

.knowledge-pic__card.is-far::after {
  background: rgba(241, 245, 255, 0.5);
}

.knowledge-pic__controls {
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
}

.knowledge-pic__pagination {
  display: none;
}

.knowledge-pic__nav {
  position: absolute;
  top: 212px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(200, 208, 226, 0.92);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 24px rgba(37, 55, 102, 0.08);
  cursor: pointer;
  pointer-events: auto;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    background-color 220ms ease;
}

.knowledge-pic__nav img {
  display: block;
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.knowledge-pic__nav:hover {
  background: #ffffff;
  box-shadow: 0 14px 28px rgba(37, 55, 102, 0.12);
  transform: translateY(-2px);
}

.knowledge-pic__nav:focus-visible {
  outline: 0;
  box-shadow:
    0 0 0 4px rgba(113, 181, 244, 0.18),
    0 14px 28px rgba(37, 55, 102, 0.12);
}

.knowledge-pic__nav--prev {
  left: 104px;
}

.knowledge-pic__nav--next {
  right: 104px;
}

.knowledge-pic__hint {
  position: absolute;
  left: 50%;
  bottom: 18px;
  z-index: 6;
  transform: translateX(-50%);
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: #6993c2;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0.08em;
  box-shadow: 0 10px 24px rgba(74, 121, 179, 0.12);
  pointer-events: none;
}

@media (max-width: 1440px) {
  .knowledge-pic__card {
    width: 560px;
  }

  .knowledge-pic__nav--prev {
    left: 72px;
  }

  .knowledge-pic__nav--next {
    right: 72px;
  }

  .knowledge-pic__card.is-left {
    transform: translate3d(-80%, 18px, -40px) scale(0.88);
  }

  .knowledge-pic__card.is-right {
    transform: translate3d(-20%, 18px, -40px) scale(0.88);
  }

  .knowledge-pic__card.is-far {
    transform: translate3d(4%, 14px, -72px) scale(0.84);
  }
}

.knowledge-stage::before {
  /* content: "";
  position: absolute;
  left: 112px;
  right: 112px;
  top: 120px;
  bottom: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(235, 248, 255, 0.88) 0%, rgba(255, 255, 255, 0) 68%); */
}

.knowledge-arc {
  position: absolute;
  top: 78px;
  width: 306px;
  height: 470px;
  border: 16px solid rgba(120, 178, 255, 0.12);
  border-top-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
}

.knowledge-arc-left {
  left: 24px;
  transform: rotate(12deg);
}

.knowledge-arc-right {
  right: 24px;
  transform: rotate(-12deg);
}

.knowledge-ring {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 2px solid rgba(94, 172, 255, 0.35);
}

.knowledge-ring-outer {
  bottom: 96px;
  width: 860px;
  height: 206px;
}

.knowledge-ring-middle {
  bottom: 144px;
  width: 598px;
  height: 154px;
  border-color: rgba(94, 172, 255, 0.24);
}

.knowledge-ring-inner {
  bottom: 182px;
  width: 420px;
  height: 108px;
  border-color: rgba(94, 172, 255, 0.16);
}

.knowledge-ring-outer::before,
.knowledge-ring-outer::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #7bc8ff;
}

.knowledge-ring-outer::before {
  left: 124px;
  bottom: 40px;
}

.knowledge-ring-outer::after {
  right: 126px;
  top: 38px;
}

.knowledge-orbit {
  position: absolute;
  left: 50%;
  top: 220px;
  width: 428px;
  height: 88px;
  margin-left: -214px;
  border: 3px solid rgba(112, 188, 255, 0.5);
  border-radius: 50%;
  transform: rotate(-11deg);
}

.knowledge-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  height: 48px;
  padding: 0 26px;
  border-radius: 16px;
  background: rgba(231, 247, 255, 0.92);
  color: #5f6670;
  font-size: 16px;
  line-height: 1;
  font-weight: 500;
  box-shadow: 0 16px 28px rgba(68, 126, 182, 0.08);
}

.knowledge-chip-doc {
  left: 142px;
  top: 292px;
}

.knowledge-chip-image {
  right: 142px;
  top: 280px;
}

.knowledge-chip-video {
  left: 92px;
  top: 390px;
}

.knowledge-chip-ppt {
  right: 92px;
  top: 394px;
}

.knowledge-chip-model {
  left: 230px;
  bottom: 98px;
}

.knowledge-chip-vr {
  right: 230px;
  bottom: 98px;
}

.knowledge-chip-html {
  left: 50%;
  bottom: 76px;
  transform: translateX(-50%);
}

.knowledge-center {
  position: absolute;
  left: 50%;
  top: 222px;
  width: 360px;
  height: 278px;
  transform: translateX(-50%);
}

.knowledge-cube {
  position: absolute;
  left: 50%;
  top: 0;
  width: 86px;
  height: 86px;
  transform: translateX(-50%) rotate(45deg);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(206, 234, 255, 0.96) 0%, rgba(128, 194, 255, 0.95) 60%, rgba(77, 136, 255, 0.9) 100%);
  box-shadow: 0 18px 36px rgba(47, 122, 224, 0.18);
}

.knowledge-cube::before,
.knowledge-cube::after {
  content: "";
  position: absolute;
  border-radius: 10px;
}

.knowledge-cube::before {
  left: -12px;
  top: 12px;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(230, 245, 255, 0.7), rgba(130, 186, 255, 0.16));
  z-index: -1;
}

.knowledge-cube::after {
  left: 10px;
  top: -10px;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(150, 210, 255, 0.18));
  z-index: -1;
}

.knowledge-badge {
  position: absolute;
  left: 50%;
  top: 44px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: linear-gradient(180deg, #0f7cff 0%, #5ac3ff 100%);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(23, 112, 233, 0.24);
}

.knowledge-badge::after {
  content: "+";
  position: absolute;
  right: -8px;
  bottom: -2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #fff;
  color: #56a4ff;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(59, 123, 196, 0.18);
}

.knowledge-base {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 360px;
  height: 178px;
  transform: translateX(-50%);
}

.knowledge-base-top {
  position: absolute;
  left: 50%;
  top: 0;
  width: 208px;
  height: 72px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: linear-gradient(180deg, #ffffff 0%, #e7f4ff 100%);
  box-shadow: 0 16px 30px rgba(75, 140, 212, 0.14);
}

.knowledge-base-bottom {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 324px;
  height: 120px;
  transform: translateX(-50%);
  border-radius: 50%;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(164, 232, 255, 0.5) 74%, rgba(69, 133, 255, 0.92) 100%);
  box-shadow: 0 24px 44px rgba(50, 137, 217, 0.14);
}

.site-footer {
  margin-top: 42px;
}

@media (max-width: 1440px) {
.solution-inner, .knowledge-inner{
  padding: 0 !important;
}
}