:root {
  color-scheme: light;
  --brand-blue: #1958e4;
  --brand-deep: #0b2ba8;
  --brand-soft: #5187f8;
  --brand-orange: #ff9e00;
  --text-main: #222222;
  --text-body: #4a5565;
  --text-muted: #6a7282;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
}

a,
button,
input,
textarea {
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    opacity 180ms ease,
    transform 180ms ease;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 35px;
}

.nav-link::after {
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: transparent;
  content: "";
}

.nav-link:hover::after,
.nav-link-active::after {
  background: var(--brand-blue);
}

.mobile-menu-bar,
.mobile-menu-bar::before,
.mobile-menu-bar::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  content: "";
}

.mobile-menu-bar {
  position: relative;
}

.mobile-menu-bar::before {
  position: absolute;
  top: -6px;
  left: 0;
}

.mobile-menu-bar::after {
  position: absolute;
  top: 6px;
  left: 0;
}

.mobile-menu.is-open {
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu {
  transform: translateY(-10px);
}

.mobile-menu-link {
  border-bottom: 1px solid rgba(25, 88, 228, 0.08);
  padding-bottom: 12px;
}

.mobile-menu-link:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.hero-shell {
  position: relative;
}

.hero-glow {
  pointer-events: none;
  position: absolute;
  border-radius: 9999px;
  filter: blur(2px);
}

.hero-glow-white {
  top: -180px;
  right: -180px;
  width: 600px;
  height: 600px;
  opacity: 0.1;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 1) 0%, rgba(0, 0, 0, 0) 70%);
}

.hero-glow-orange {
  top: 280px;
  left: 340px;
  width: 300px;
  height: 300px;
  opacity: 0.1;
  background: radial-gradient(circle at center, rgba(255, 158, 0, 1) 0%, rgba(0, 0, 0, 0) 70%);
}

.about-blob {
  pointer-events: none;
  position: absolute;
  filter: blur(50px);
  opacity: 1;
}

.about-blob-left {
  top: 40px;
  left: -60px;
  width: 380px;
  height: 380px;
  border-radius: 182px 198px 220px 160px;
  background: rgba(255, 233, 183, 0.44);
}

.about-blob-right {
  top: 248px;
  right: -60px;
  width: 340px;
  height: 340px;
  border-radius: 187px 153px 143px 197px;
  background: rgba(199, 225, 255, 0.44);
}

.timeline-viewport {
  position: relative;
  overflow: hidden;
}

.timeline-edge-fade-left::before,
.timeline-edge-fade-right::after {
  pointer-events: none;
  position: absolute;
  top: 0;
  z-index: 2;
  width: 72px;
  height: calc(100% - 16px);
  content: "";
}

.timeline-edge-fade-left::before {
  left: 0;
  background: linear-gradient(90deg, rgba(255, 249, 238, 0.96) 0%, rgba(255, 249, 238, 0) 100%);
}

.timeline-edge-fade-right::after {
  right: 0;
  background: linear-gradient(270deg, rgba(255, 246, 224, 0.96) 0%, rgba(255, 246, 224, 0) 100%);
}

.timeline-scroll {
  scrollbar-width: none;
  cursor: grab;
  user-select: none;
  touch-action: pan-y;
}

.timeline-scroll::-webkit-scrollbar {
  display: none;
}

.timeline-scroll.is-dragging {
  cursor: grabbing;
}

.timeline-card {
  flex: 0 0 312px;
  min-height: 286px;
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background: #2b63f5;
  padding: 24px 24px 22px;
}

.timeline-item {
  position: relative;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  font-weight: 500;
  line-height: 21.5px;
}

.timeline-item::before {
  position: absolute;
  top: 7px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(123, 167, 255, 0.7);
  content: "";
}

.timeline-section-divider,
.qualification-divider {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, rgba(226, 232, 240, 0) 0%, #e2e8f0 20%, #e2e8f0 80%, rgba(226, 232, 240, 0) 100%);
}

.qualification-card {
  position: relative;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.qualification-title-block {
  padding: 24px 32px 0;
}

.qualification-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.qualification-title-icon {
  display: inline-flex;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  color: #2563eb;
}

.qualification-title-icon svg {
  width: 100%;
  height: 100%;
}

.qualification-title-cn {
  color: #0a0a0a;
  font-family: "Inter", "Noto Sans SC", sans-serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 30px;
}

.qualification-title-en {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-top: 4px;
  padding-left: 32px;
  color: #2563eb;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 700;
  line-height: 14px;
  letter-spacing: 0.08em;
}

.qualification-divider {
  width: calc(100% - 236px);
  margin: 24px auto 0;
}

.qualification-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 589px) minmax(0, 531px);
  gap: 18px;
  padding: 18px 17px 0 56px;
  align-items: start;
}

.qualification-software-row {
  position: relative;
  height: 274px;
  overflow: visible;
  padding: 12px 0 16px;
  scrollbar-width: none;
}

.qualification-software-row::-webkit-scrollbar,
.qualification-patent-row::-webkit-scrollbar {
  display: none;
}

.qualification-doc-card,
.qualification-patent-card {
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.08);
}

.qualification-doc-card {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.qualification-software-row .qualification-doc-card {
  position: absolute;
  bottom: 0;
  left: 50%;
  margin: 0;
  transform-origin: center bottom;
}

.qualification-doc-card--software-1 {
  width: 188px;
  height: 238px;
  padding: 4px;
  z-index: 1;
  transform: translateX(-226px) translateY(-4px) rotate(-12deg);
}

.qualification-doc-card--software-2 {
  width: 160px;
  height: 228px;
  padding: 6px 4px;
  z-index: 2;
  transform: translateX(-80px) translateY(-8px) rotate(-3deg);
}

.qualification-doc-card--software-3 {
  width: 196px;
  height: 242px;
  padding: 4px;
  z-index: 3;
  transform: translateX(28px) translateY(-4px) rotate(11deg);
}

.qualification-doc-card img,
.qualification-feature img,
.qualification-patent-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qualification-featured-grid {
  display: grid;
  grid-template-columns: 293px 208px;
  gap: 31px;
  align-items: start;
  padding-top: 5px;
}

.qualification-feature--wide {
  padding-top: 0;
}

.qualification-feature--wide img {
  width: 293px;
  height: 207px;
  object-fit: cover;
}

.qualification-feature--tall img {
  width: 208px;
  height: 276px;
  object-fit: cover;
}

.qualification-feature-label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-top: 10px;
  color: #374151;
  font-family: "Inter", "Noto Sans SC", sans-serif;
  font-size: 12px;
  font-weight: 500;
  line-height: 15px;
}

.qualification-feature-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2563eb 0%, #7ba7ff 100%);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.qualification-patent-row {
  display: flex;
  align-items: center;
  overflow-x: auto;
  padding: 18px 32px 0 17px;
  scrollbar-width: none;
}

.qualification-patent-card {
  width: 177px;
  height: 240px;
  border-radius: 3px;
}

.qualification-patent-card + .qualification-patent-card {
  margin-left: -99px;
}

.qualification-divider--bottom {
  width: calc(100% - 236px);
  margin-top: 22px;
}

.qualification-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 48px 36px;
}

.qualification-stat {
  display: flex;
  width: 312px;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.qualification-stat-number {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.qualification-stat-value {
  color: #2563eb;
  font-family: "Inter", sans-serif;
  font-size: 56px;
  font-weight: 700;
  line-height: 56px;
}

.qualification-stat-unit {
  color: #64748b;
  font-family: "Inter", "Noto Sans SC", sans-serif;
  font-size: 14px;
  font-weight: 700;
  line-height: 17.5px;
}

.qualification-stat-label {
  color: #374151;
  font-family: "Inter", "Noto Sans SC", sans-serif;
  font-size: 13px;
  font-weight: 700;
  line-height: 16.5px;
}

.qualification-stat-separator {
  width: 1px;
  height: 64px;
  background: #2563eb;
  opacity: 0.25;
}

.segment-btn {
  display: inline-flex;
  min-height: 40px;
  flex: 1 1 0;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 10px 24px;
  color: #666666;
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
}

.segment-btn:hover {
  color: var(--brand-blue);
}

.segment-btn-active {
  background: linear-gradient(135deg, #1960e5 0%, #4a90e2 100%);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(25, 96, 229, 0.3);
}

.segment-btn-active:hover {
  color: #ffffff;
}

.form-field {
  width: 100%;
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  background: #fafafa;
  padding: 12px 16px;
  color: var(--text-main);
  font-size: 14px;
  line-height: 21px;
}

.form-field::placeholder {
  color: rgba(34, 34, 34, 0.5);
}

.form-field:focus {
  outline: none;
  border-color: rgba(25, 96, 229, 0.4);
  box-shadow: 0 0 0 4px rgba(25, 96, 229, 0.08);
  background: #ffffff;
}

.form-field.is-error {
  border-color: rgba(220, 38, 38, 0.55);
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.08);
}

.submit-btn {
  min-width: 160px;
  min-height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #1960e5 0%, #4a90e2 100%);
  padding: 16px 48px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  line-height: 24px;
  box-shadow: 0 4px 20px rgba(25, 96, 229, 0.35);
}

.submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(25, 96, 229, 0.3);
}

.submit-btn:active {
  transform: translateY(0);
}

.footer-link {
  display: block;
}

.footer-link:hover {
  color: rgba(255, 255, 255, 0.95);
}

.footer-meta {
  width: min(100%, 280px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.04) 100%),
    rgba(10, 38, 129, 0.24);
  padding: 16px 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.footer-meta-title {
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  line-height: 22px;
}

.footer-meta-line {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 12px;
  line-height: 20px;
}

.footer-meta-copy {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  line-height: 18px;
}

.product-hero {
  background: linear-gradient(180deg, #dfe6f9 0%, rgba(255, 255, 255, 0) 100%);
}

.product-divider {
  height: 1px;
  background: rgba(25, 96, 229, 0.08);
}

.product-module {
  display: grid;
  grid-template-columns: minmax(0, 504px) minmax(0, 392.5px);
  align-items: center;
  justify-content: space-between;
  gap: 56px;
}

.product-module--reverse {
  grid-template-columns: minmax(0, 392.5px) minmax(0, 504px);
}

.product-copy {
  width: 100%;
  max-width: 392.5px;
  padding: 32px 8px;
}

.product-copy--right {
  justify-self: end;
}

.product-line {
  width: 48px;
  height: 4px;
  background: #1960e5;
}

.product-line--right {
  margin-left: auto;
}

.product-title {
  padding-top: 24px;
  color: #0d1b3e;
  font-size: 32px;
  font-weight: 700;
  line-height: 40px;
  letter-spacing: 0.05em;
}

.product-desc {
  padding-top: 20px;
  color: #4a5568;
  font-size: 15.2px;
  font-weight: 400;
  line-height: 28.88px;
}

.product-cta {
  display: inline-flex;
  padding-top: 20px;
  color: #0071e3;
  font-family: Inter, sans-serif;
  font-size: 18px;
  line-height: 22px;
}

.product-cta:hover {
  color: #1958e4;
}

.product-visual {
  overflow: hidden;
  border-radius: 10px;
  background: #f1f5f9;
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.08),
    0 20px 60px rgba(25, 96, 229, 0.1);
}

.product-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.join-banner {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  background: #101828;
}

.join-banner::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 24, 40, 0.12) 0%, rgba(16, 24, 40, 0.24) 100%);
  content: "";
}

.join-banner-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.join-why-card {
  display: flex;
  flex-direction: column;
}

.join-why-icon-shell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 20px;
}

.join-why-divider {
  width: 40px;
  height: 3px;
  border-radius: 999px;
}

.join-why-copy {
  max-width: 232px;
}

@media (min-width: 1024px) and (max-width: 1439px) {
  .hero-glow-white {
    top: -140px;
    right: -240px;
    width: 500px;
    height: 500px;
  }

  .hero-glow-orange {
    top: 250px;
    left: 42%;
    width: 240px;
    height: 240px;
  }

  .timeline-card {
    flex-basis: 296px;
    min-height: 274px;
    padding: 22px 22px 20px;
  }

  .qualification-main-grid {
    grid-template-columns: minmax(0, 500px) minmax(0, 1fr);
    gap: 24px;
    padding: 14px 24px 0 24px;
  }

  .qualification-featured-grid {
    grid-template-columns: minmax(0, 1fr) 188px;
    gap: 20px;
  }

  .qualification-feature--wide img {
    width: 100%;
    height: auto;
    aspect-ratio: 293 / 207;
  }

  .qualification-feature--tall img {
    width: 188px;
    height: 249px;
  }

  .qualification-patent-row {
    padding-left: 24px;
    padding-right: 24px;
  }

  .qualification-stats {
    padding: 28px 24px 32px;
  }

  .qualification-stat {
    width: 100%;
    max-width: 260px;
  }
}

@media (min-width: 1280px) and (max-width: 1535px) {
  .product-module {
    grid-template-columns: minmax(0, 440px) minmax(0, 356px);
    gap: 40px;
  }

  .product-module--reverse {
    grid-template-columns: minmax(0, 356px) minmax(0, 440px);
  }

  .product-copy {
    max-width: 356px;
    padding: 24px 6px;
  }

  .product-title {
    font-size: 30px;
    line-height: 37px;
  }

  .product-desc {
    line-height: 27px;
  }

  .join-banner {
    min-height: 660px;
  }
}

@media (max-width: 1279px) {
  .hero-glow-white {
    right: -260px;
  }

  .hero-glow-orange {
    left: 40%;
  }

  .product-module,
  .product-module--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 392.5px);
    gap: 36px;
  }

  .join-banner {
    min-height: 640px;
  }
}

@media (max-width: 1023px) {
  .about-blob-left,
  .about-blob-right {
    display: none;
  }

  .product-module,
  .product-module--reverse {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-copy,
  .product-copy--right {
    max-width: none;
    justify-self: stretch;
    order: 2;
    padding: 8px 0 0;
  }

  .product-visual {
    order: 1;
  }

  .product-line--right {
    margin-left: 0;
  }

  .join-banner {
    min-height: 520px;
  }

  .join-why-copy {
    max-width: none;
  }
}

@media (max-width: 767px) {
  .join-banner {
    min-height: 360px;
  }
}

@media (max-width: 767px) {
  .timeline-edge-fade-left::before,
  .timeline-edge-fade-right::after {
    width: 28px;
  }

  .footer-meta {
    width: 100%;
    max-width: none;
  }

  .hero-glow-white {
    top: -120px;
    right: -220px;
    width: 420px;
    height: 420px;
  }

  .hero-glow-orange {
    top: auto;
    bottom: -60px;
    left: -80px;
    width: 220px;
    height: 220px;
  }

  .timeline-card {
    flex-basis: min(292px, calc(100vw - 48px));
  }

  .qualification-title-block {
    padding: 28px 20px 0;
  }

  .qualification-title-cn {
    font-size: 24px;
    line-height: 28px;
  }

  .qualification-title-en {
    padding-left: 32px;
  }

  .qualification-divider,
  .qualification-divider--bottom {
    width: calc(100% - 40px);
  }

  .qualification-main-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 18px 16px 0;
  }

  .qualification-software-row {
    display: flex;
    height: auto;
    align-items: center;
    overflow-x: auto;
    padding: 0 0 16px;
  }

  .qualification-software-row .qualification-doc-card {
    position: relative;
    bottom: auto;
    left: auto;
    transform-origin: center center;
  }

  .qualification-doc-card--software-1 {
    transform: rotate(-11deg);
  }

  .qualification-doc-card--software-2 {
    transform: translateX(-24px) rotate(-3deg);
  }

  .qualification-doc-card--software-3 {
    transform: translateX(-48px) rotate(10deg);
  }

  .qualification-featured-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 0;
  }

  .qualification-feature--wide img,
  .qualification-feature--tall img {
    width: 100%;
    height: auto;
  }

  .qualification-patent-row {
    padding: 18px 16px 0;
  }

  .qualification-patent-card + .qualification-patent-card {
    margin-left: -72px;
  }

  .qualification-stats {
    flex-direction: column;
    gap: 20px;
    padding: 28px 20px 32px;
  }

  .qualification-stat {
    width: 100%;
  }

  .qualification-stat-separator {
    width: 64px;
    height: 1px;
  }

  .segment-btn {
    padding-right: 16px;
    padding-left: 16px;
  }
}