* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-width: 1226px;
  font-family: "AlibabaPuHuiTi-Regular", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1f2937;
  background: #ffffff;
}

body {
  line-height: 1.5;
}

div {
  flex-shrink: 0;
}

.index-page {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 1226px;
  background: #ffffff;
}

.shell {
  width: 1226px;
  margin: 0 auto;
}

.pointer-link {
  cursor: pointer;
}

.section-title {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  font-size: 30px;
  line-height: 36px;
  color: #1f2937;
}

.hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(100.04deg, #0c0d0f 0%, #0a0c0b 100%);
}

.hero-shell {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  max-width: 1920px;
  min-height: 340px;
  padding: 0 35px 0 360px;
}

.hero-shell.is-switching .hero-copy {
  animation: hero-copy-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-shell.is-switching .hero-visual {
  animation: hero-visual-enter 0.48s ease;
}

@keyframes hero-copy-enter {
  0% {
    opacity: 0;
    transform: translateX(-120px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes hero-visual-enter {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-indicator:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 4px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 28px;
  width: 495px;
  min-height: 340px;
  padding: 0 0 26px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.hero-title {
  font-size: 36px;
  line-height: 40px;
  color: #ffffff;
}

.hero-subtitle {
  font-size: 20px;
  line-height: 28px;
  color: #ffffff;
}

.hero-actions {
  display: flex;
  gap: 18px;
}

.hero-button {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 136px;
  height: 56px;
  border-radius: 8px;
  font-size: 18px;
  line-height: 28px;
}

.hero-button-primary {
  color: #2563eb;
  background: #ffffff;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 10px 15px rgba(0, 0, 0, 0.1);
}

.hero-button-secondary {
  width: 140px;
  color: #ffffff;
  border: 2px solid #ffffff;
  background: transparent;
}

.hero-indicators {
  display: flex;
  justify-content: center;
  gap: 18px;
  width: 100%;
  max-width: 1920px;
  padding: 0 0 25px;
}

.hero-indicator {
  position: relative;
  width: 48px;
  height: 6px;
  padding: 0;
  border: 0;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(204, 204, 204, 0.15);
}

.hero-indicator-active {
  background: rgba(204, 204, 204, 0.25);
}

.hero-indicator-progress {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #d9231a 0%, #ff875a 100%);
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  transition: transform 0.08s linear;
}

.hero-visual {
  position: relative;
  flex: 1;
  min-height: 340px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 32px 0;
  border-radius: 28px;
  background: radial-gradient(circle at center, rgba(217, 35, 26, 0.18) 0%, rgba(217, 35, 26, 0) 65%);
  filter: blur(8px);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--hero-visual-image) center / contain no-repeat;
}

@media (prefers-reduced-motion: reduce) {
  .hero-shell.is-switching .hero-copy,
  .hero-shell.is-switching .hero-visual {
    animation: none;
  }
}

.premium-section {
  display: flex;
  justify-content: center;
  width: 100%;
  background: #ffffff;
}

.premium-shell {
  display: flex;
  flex-direction: column;
  gap: 64px;
  padding: 64px 0 82px;
}

.premium-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 370px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06), 0 2px 8px rgba(15, 23, 42, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  opacity: 0;
  animation: premium-card-enter 0.72s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  will-change: opacity, transform;
}

.product-card:hover {
  border-color: #000000;
  box-shadow: 0 18px 36px rgba(37, 99, 235, 0.12), 0 8px 18px rgba(15, 23, 42, 0.08);
  transform: translateY(-3px);
}

.premium-grid .product-card:nth-child(1) {
  animation-delay: 0.08s;
}

.premium-grid .product-card:nth-child(2) {
  animation-delay: 0.18s;
}

.premium-grid .product-card:nth-child(3) {
  animation-delay: 0.28s;
}

.premium-grid .product-card:nth-child(4) {
  animation-delay: 0.38s;
}

.product-card-media {
  width: 100%;
  height: 192px;
  background-color: #f8fafc;
}

.product-card-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 24px 28px;
}

.product-card-name {
  font-size: 20px;
  line-height: 28px;
  color: #1f2937;
}

.product-card-desc {
  min-height: 72px;
  font-size: 16px;
  line-height: 24px;
  color: #4b5563;
}

.product-card-link {
  font-size: 16px;
  line-height: 24px;
  color: #2563eb;
}

@keyframes premium-card-enter {
  0% {
    opacity: 0;
    transform: translateY(26px) scale(0.98);
  }

  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-card {
    opacity: 1;
    animation: none;
    will-change: auto;
  }
}

.advantages-section {
  display: flex;
  justify-content: center;
  width: 100%;
  background: #ffffff;
}

.advantages-shell {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding: 0 0 64px;
}

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

.advantages-grid[data-animate="pending"] .advantage-card {
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  box-shadow: 0 24px 50px rgba(15, 23, 42, 0.08);
}

.advantages-grid[data-animate="visible"] .advantage-card {
  opacity: 1;
  transform: translateY(0) scale(1);
  animation: advantage-card-enter 0.82s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.advantages-grid[data-animate="visible"] .advantage-card:nth-child(2) {
  animation-delay: 0.12s;
}

.advantages-grid[data-animate="visible"] .advantage-card:nth-child(3) {
  animation-delay: 0.24s;
}

.advantage-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  min-height: 190px;
  padding: 21px 24px 30px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  text-align: center;
  color: inherit;
  text-decoration: none;
  background: #ffffff;
  box-shadow: 0 0 0 rgba(15, 23, 42, 0);
}

.advantage-icon {
  width: 72px;
  height: 72px;
  border-radius: 999px;
  background-color: #f5f6f7;
}

.advantage-icon-svg {
  display: block;
  width: 100%;
  height: 100%;
}

.advantage-title {
  min-height: 56px;
  font-size: 20px;
  line-height: 28px;
  color: #1f2937;
}

.advantage-desc {
  font-size: 16px;
  line-height: 24px;
  color: #4b5563;
}

@keyframes advantage-card-enter {
  0% {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.08);
  }

  62% {
    opacity: 1;
    transform: translateY(-6px) scale(1.015);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.06);
  }

  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    box-shadow: 0 0 0 rgba(15, 23, 42, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .advantages-grid[data-animate="pending"] .advantage-card,
  .advantages-grid[data-animate="visible"] .advantage-card {
    opacity: 1;
    transform: none;
    transition: none;
    animation: none;
    box-shadow: 0 0 0 rgba(15, 23, 42, 0);
  }
}

.application-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 46px;
  width: 100%;
  padding: 48px 0 26px;
  background: #f5f6f7;
}

.application-shell {
  display: flex;
  flex-direction: column;
  gap: 42px;
}

.application-section[data-animate="pending"] .section-title {
  opacity: 0;
  transform: scale(0.94);
  filter: blur(8px);
  letter-spacing: 0.12em;
}

.application-section[data-animate="visible"] .section-title {
  animation: application-title-focus 0.72s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.application-section .section-title {
  font-size: 30px;
  line-height: 42px;
  color: #253043;
}

.application-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 33px;
  overflow: hidden;
  isolation: isolate;
}

.application-grid::before {
  content: "";
  position: absolute;
  inset: -8% -12%;
  background:
    linear-gradient(
      90deg,
      rgba(245, 246, 247, 0) 0%,
      rgba(255, 255, 255, 0.78) 44%,
      rgba(255, 255, 255, 0.92) 50%,
      rgba(245, 246, 247, 0.78) 56%,
      rgba(245, 246, 247, 0) 100%
    );
  pointer-events: none;
  opacity: 0;
  transform: translateX(-36%);
  z-index: 2;
}

.application-section[data-animate="pending"] .application-grid {
  opacity: 0;
  transform: perspective(1200px) rotateY(5deg) scale(0.96);
  filter: blur(12px) saturate(0.86);
  clip-path: inset(0 18% 0 18% round 14px);
}

.application-section[data-animate="visible"] .application-grid {
  animation: application-grid-unveil 1s cubic-bezier(0.2, 0.9, 0.2, 1) 0.08s both;
}

.application-section[data-animate="visible"] .application-grid::before {
  animation: application-grid-sheen 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.14s both;
}

.application-section[data-animate="pending"] .application-card {
  opacity: 0;
  transform: scale(0.94);
  filter: blur(10px);
}

.application-section[data-animate="visible"] .application-card {
  animation: application-card-focus 0.82s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.application-section[data-animate="visible"] .application-card:nth-child(2) {
  animation-delay: 0.14s;
}

.application-section[data-animate="visible"] .application-card:nth-child(3) {
  animation-delay: 0.22s;
}

.application-section[data-animate="visible"] .application-card:nth-child(4) {
  animation-delay: 0.3s;
}

.application-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0 0 16px;
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
  color: inherit;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

.application-media {
  width: 100%;
  height: 233px;
  transform: scale(1);
  transform-origin: center;
  transition: transform 0.28s ease;
  will-change: transform;
}

.application-card:hover .application-media {
  transform: scale(1.05);
}

.application-name {
  padding: 17px 18px 0;
  font-size: 16px;
  line-height: 24px;
  color: #3f3f46;
}

.application-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px 0;
}

.application-meta-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: #ff3b30;
  font-size: 18px;
  line-height: 18px;
  transform: translateX(0);
  transition: transform 0.24s ease;
}

.application-meta-icon::before {
  content: "»";
}

.application-card:hover .application-meta-icon {
  animation: application-meta-icon-nudge 0.52s ease;
}

@keyframes application-title-focus {
  0% {
    opacity: 0;
    transform: scale(0.94);
    filter: blur(8px);
    letter-spacing: 0.12em;
  }

  100% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
    letter-spacing: 0;
  }
}

@keyframes application-grid-unveil {
  0% {
    opacity: 0;
    transform: perspective(1200px) rotateY(5deg) scale(0.96);
    filter: blur(12px) saturate(0.86);
    clip-path: inset(0 18% 0 18% round 14px);
  }

  100% {
    opacity: 1;
    transform: perspective(1200px) rotateY(0) scale(1);
    filter: blur(0) saturate(1);
    clip-path: inset(0 0 0 0 round 14px);
  }
}

@keyframes application-grid-sheen {
  0% {
    opacity: 0;
    transform: translateX(-36%);
  }

  24% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translateX(36%);
  }
}

@keyframes application-card-focus {
  0% {
    opacity: 0;
    transform: scale(0.94);
    filter: blur(10px);
  }

  70% {
    opacity: 1;
    transform: scale(1.018);
    filter: blur(0);
  }

  100% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

@keyframes application-meta-icon-nudge {
  0% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(4px);
  }

  38% {
    transform: translateX(2px);
  }

  52% {
    transform: translateX(0);
  }

  72% {
    transform: translateX(4px);
  }

  88% {
    transform: translateX(2px);
  }

  100% {
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .application-section[data-animate="pending"] .section-title,
  .application-section[data-animate="visible"] .section-title,
  .application-section[data-animate="pending"] .application-grid,
  .application-section[data-animate="visible"] .application-grid,
  .application-section[data-animate="visible"] .application-grid::before,
  .application-section[data-animate="pending"] .application-card,
  .application-section[data-animate="visible"] .application-card {
    opacity: 1;
    transform: none;
    filter: none;
    clip-path: none;
    animation: none;
    letter-spacing: 0;
  }
}

.application-meta-text {
  font-size: 14px;
  line-height: 20px;
  color: #4b5563;
}

.news-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 42px;
  width: 100%;
  padding: 46px 0 54px;
  background: #ffffff;
}

.news-shell {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.news-section[data-animate="pending"] .section-title {
  opacity: 0;
  letter-spacing: 0.12em;
  transform: scale(0.96);
  filter: blur(8px);
}

.news-section[data-animate="visible"] .section-title {
  animation: news-title-resolve 0.82s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.news-section .section-title {
  font-size: 30px;
  line-height: 42px;
  color: #253043;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 76px;
}

.news-section[data-animate="pending"] .news-column-title,
.news-section[data-animate="pending"] .news-item {
  opacity: 0;
}

.news-section[data-animate="pending"] .news-column:nth-child(1) .news-column-title,
.news-section[data-animate="pending"] .news-column:nth-child(1) .news-item {
  transform: translateX(-108px) skewX(3deg);
  filter: blur(10px);
}

.news-section[data-animate="pending"] .news-column:nth-child(2) .news-column-title,
.news-section[data-animate="pending"] .news-column:nth-child(2) .news-item {
  transform: scale(0.94);
  filter: blur(8px);
}

.news-section[data-animate="pending"] .news-column:nth-child(3) .news-column-title,
.news-section[data-animate="pending"] .news-column:nth-child(3) .news-item {
  transform: translateX(108px) skewX(-3deg);
  filter: blur(10px);
}

.news-section[data-animate="visible"] .news-column:nth-child(1) .news-column-title,
.news-section[data-animate="visible"] .news-column:nth-child(1) .news-item {
  animation: news-entry-from-left 1.08s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.news-section[data-animate="visible"] .news-column:nth-child(2) .news-column-title,
.news-section[data-animate="visible"] .news-column:nth-child(2) .news-item {
  animation: news-entry-center 0.98s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.news-section[data-animate="visible"] .news-column:nth-child(3) .news-column-title,
.news-section[data-animate="visible"] .news-column:nth-child(3) .news-item {
  animation: news-entry-from-right 1.08s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.news-section[data-animate="visible"] .news-column .news-column-title {
  animation-delay: 0.08s;
}

.news-section[data-animate="visible"] .news-column .news-item:nth-of-type(1) {
  animation-delay: 0.18s;
}

.news-section[data-animate="visible"] .news-column .news-item:nth-of-type(2) {
  animation-delay: 0.32s;
}

.news-section[data-animate="visible"] .news-column .news-item:nth-of-type(3) {
  animation-delay: 0.46s;
}

.news-section[data-animate="visible"] .news-column .news-item:nth-of-type(4) {
  animation-delay: 0.6s;
}

.news-column {
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-height: 300px;
}

.news-column-title {
  font-size: 20px;
  line-height: 30px;
  letter-spacing: 1.92px;
  color: #353535;
}

.news-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.news-date {
  font-size: 16px;
  line-height: 28px;
  font-style: italic;
  color: #333333;
}

.news-text {
  font-size: 16px;
  line-height: 40px;
  color: #444444;
  text-decoration: none;
  transition: color 0.2s ease;
}

.news-text:hover {
  color: #f44336;
  cursor: pointer;
}

.news-actions {
  display: flex;
  justify-content: center;
}

.news-section[data-animate="pending"] .news-actions {
  opacity: 0;
  transform: scale(0.92);
  filter: blur(8px);
}

.news-section[data-animate="visible"] .news-actions {
  animation: news-actions-resolve 0.82s cubic-bezier(0.22, 1, 0.36, 1) 0.5s both;
}

.news-more {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 196px;
  height: 38px;
  border-radius: 4px;
  font-size: 17px;
  line-height: 24px;
  color: #ffffff;
  text-decoration: none;
  background: #263244;
}

@keyframes news-title-resolve {
  0% {
    opacity: 0;
    letter-spacing: 0.12em;
    transform: scale(0.96);
    filter: blur(8px);
  }

  100% {
    opacity: 1;
    letter-spacing: 0;
    transform: scale(1);
    filter: blur(0);
  }
}

@keyframes news-entry-from-left {
  0% {
    opacity: 0;
    transform: translateX(-108px) skewX(3deg);
    filter: blur(10px);
  }

  72% {
    opacity: 1;
    transform: translateX(6px) skewX(0);
    filter: blur(0);
  }

  100% {
    opacity: 1;
    transform: translateX(0) skewX(0);
    filter: blur(0);
  }
}

@keyframes news-entry-center {
  0% {
    opacity: 0;
    transform: scale(0.94);
    filter: blur(8px);
  }

  72% {
    opacity: 1;
    transform: scale(1.02);
    filter: blur(0);
  }

  100% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

@keyframes news-entry-from-right {
  0% {
    opacity: 0;
    transform: translateX(108px) skewX(-3deg);
    filter: blur(10px);
  }

  72% {
    opacity: 1;
    transform: translateX(-6px) skewX(0);
    filter: blur(0);
  }

  100% {
    opacity: 1;
    transform: translateX(0) skewX(0);
    filter: blur(0);
  }
}

@keyframes news-actions-resolve {
  0% {
    opacity: 0;
    transform: scale(0.92);
    filter: blur(8px);
  }

  100% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .news-section[data-animate="pending"] .section-title,
  .news-section[data-animate="visible"] .section-title,
  .news-section[data-animate="pending"] .news-column-title,
  .news-section[data-animate="visible"] .news-column-title,
  .news-section[data-animate="pending"] .news-item,
  .news-section[data-animate="visible"] .news-item,
  .news-section[data-animate="pending"] .news-actions,
  .news-section[data-animate="visible"] .news-actions {
    opacity: 1;
    transform: none;
    filter: none;
    animation: none;
    letter-spacing: 0;
  }
}

.support-section {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 56px 0;
  background: #2563eb;
}

.support-section[data-animate="pending"] .support-title,
.support-section[data-animate="pending"] .support-desc,
.support-section[data-animate="pending"] .support-actions {
  opacity: 0;
}

.support-section[data-animate="visible"] .support-title {
  animation: support-fade-in 0.72s ease both;
}

.support-section[data-animate="visible"] .support-desc {
  animation: support-fade-in 0.72s ease 0.14s both;
}

.support-section[data-animate="visible"] .support-actions {
  animation: support-fade-in 0.72s ease 0.28s both;
}

.support-shell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 1226px;
  color: #ffffff;
  text-align: center;
}

.support-title {
  font-size: 36px;
  line-height: 44px;
}

.support-desc {
  max-width: 720px;
  font-size: 16px;
  line-height: 24px;
  color: rgba(255, 255, 255, 0.8);
}

.support-actions {
  display: flex;
  gap: 18px;
  margin-top: 12px;
}

.support-button {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 168px;
  height: 52px;
  padding: 0 28px;
  border-radius: 8px;
  font-size: 16px;
  line-height: 24px;
  text-decoration: none;
}

.support-button-primary {
  color: #111827;
  background: #ffffff;
}

.support-button-secondary {
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: transparent;
}

@keyframes support-fade-in {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .support-section[data-animate="pending"] .support-title,
  .support-section[data-animate="visible"] .support-title,
  .support-section[data-animate="pending"] .support-desc,
  .support-section[data-animate="visible"] .support-desc,
  .support-section[data-animate="pending"] .support-actions,
  .support-section[data-animate="visible"] .support-actions {
    opacity: 1;
    animation: none;
  }
}