.about_profile {
  padding: 11rem 0px 10rem;
  background-color: #fff;
}
.about_profile .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8rem;
}
.about_profile .visual {
  position: relative;
  flex-shrink: 0;
  width: 66rem;
}
.about_profile .gallery {
  position: relative;
  height: 44rem;
  border-radius: 2rem;
  overflow: hidden;
  background-color: var(--dark);
  box-shadow: 0px 2.4rem 5rem rgba(11, 20, 46, 0.12);
}
.about_profile .gallery .swiper {
  width: 100%;
  height: 100%;
}
.about_profile .gallery .swiper-slide {
  position: relative;
  overflow: hidden;
}
.about_profile .gallery .swiper-slide::after {
  content: '';
  position: absolute;
  left: 0px;
  bottom: 0px;
  z-index: 2;
  width: 100%;
  height: 45%;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(4, 17, 45, 0) 0%, rgba(4, 17, 45, 0.78) 100%);
}
.about_profile .gallery .img {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.about_profile .gallery .swiper-slide-active .img img {
  transform: scale(1.04);
  transition: transform 6s linear;
}
.about_profile .gallery .cap {
  position: absolute;
  left: 3.2rem;
  bottom: 3rem;
  z-index: 3;
  max-width: 34rem;
  color: #fff;
  font-weight: 600;
  font-size: 1.8rem;
  line-height: 2.4rem;
}
.about_profile .gallery .cap::before {
  content: '';
  display: block;
  width: 2.4rem;
  height: 0.2rem;
  margin-bottom: 1rem;
  background-color: var(--accent_light);
}
.about_profile .play {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  transform: translate(-50%, -62%);
}
.about_profile .play i {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 8.8rem;
  height: 8.8rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.94);
  box-shadow: 0px 1.2rem 3rem rgba(4, 17, 45, 0.3);
  transition: transform 0.35s, background-color 0.35s;
}
.about_profile .play i::before {
  content: '';
  position: absolute;
  left: -1.2rem;
  top: -1.2rem;
  width: calc(100% + 2.4rem);
  height: calc(100% + 2.4rem);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.55);
  animation: about_profile_pulse 2.4s ease-out infinite;
}
.about_profile .play i::after {
  content: '';
  width: 0px;
  height: 0px;
  margin-left: 0.5rem;
  border-top: 1.1rem solid transparent;
  border-bottom: 1.1rem solid transparent;
  border-left: 1.7rem solid var(--primary);
  transition: border-color 0.35s;
}
.about_profile .play span {
  padding: 0.7rem 1.6rem;
  border-radius: 3rem;
  color: #fff;
  font-weight: 600;
  font-size: 1.5rem;
  line-height: 2rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  background-color: rgba(4, 17, 45, 0.5);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.about_profile .play:hover i {
  transform: scale(1.06);
  background-color: var(--primary);
}
.about_profile .play:hover i::after {
  border-left-color: #fff;
}
@keyframes about_profile_pulse {
  0% {
    opacity: 0.9;
    transform: scale(0.85);
  }
  100% {
    opacity: 0;
    transform: scale(1.25);
  }
}
.about_profile .bar {
  position: absolute;
  right: 2.8rem;
  bottom: 2.6rem;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.about_profile .count {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.4rem;
  line-height: 2rem;
}
.about_profile .count strong {
  color: #fff;
  font-weight: 600;
  font-size: 2rem;
}
.about_profile .bar .swiper_btns {
  gap: 1rem;
}
.about_profile .bar .swiper_btns div {
  width: 4.4rem;
  height: 4.4rem;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  background-color: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.about_profile .bar .swiper_btns div:hover,
.about_profile .bar .swiper_btns .btn_next {
  color: var(--primary);
  border-color: #fff;
  background-color: #fff;
}
.about_profile .bar .swiper_btns .btn_next:hover {
  color: #fff;
  border-color: var(--primary);
  background-color: var(--primary);
}
.about_profile .thumbs {
  display: flex;
  gap: 1.2rem;
  margin-top: 1.6rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.about_profile .thumbs::-webkit-scrollbar {
  display: none;
}
.about_profile .thumbs li {
  position: relative;
  flex: 1 0 0px;
  min-width: 8rem;
  height: 7.2rem;
  border-radius: 1rem;
  overflow: hidden;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.3s;
}
.about_profile .thumbs li::after {
  content: '';
  position: absolute;
  inset: 0px;
  border-radius: inherit;
  border: 2px solid transparent;
  transition: border-color 0.3s;
}
.about_profile .thumbs li img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06) brightness(1.02);
}
.about_profile .thumbs li:hover {
  opacity: 0.85;
}
.about_profile .thumbs li.active {
  opacity: 1;
}
.about_profile .thumbs li.active::after {
  border-color: var(--primary);
}
.about_profile .text {
  width: 64rem;
}
.about_profile .tcon p + p {
  margin-top: 1.6rem;
}
.about_profile .mv {
  display: flex;
  gap: 2.4rem;
  margin-top: 3.6rem;
}
.about_profile .mv li {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 1.6rem;
  padding: 2.4rem;
  border-radius: 1.4rem;
  background-color: var(--light);
}
.about_profile .mv i {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.8rem;
  height: 4.8rem;
  border-radius: 1rem;
  background-color: #fff;
}
.about_profile .mv i img {
  display: block;
  width: 2.6rem;
  height: 2.6rem;
}
.about_profile .mv h3 {
  color: var(--title);
  font-weight: 600;
  font-size: 1.8rem;
  line-height: 2.4rem;
}
.about_profile .mv p {
  margin-top: 0.6rem;
  color: var(--text);
  font-size: 1.5rem;
  line-height: 2.3rem;
}
.about_profile .stats {
  display: flex;
  margin-top: 5.6rem;
  padding: 3.2rem 0px;
  border-radius: 1.6rem;
  background-color: var(--light);
}
.about_profile .stats li {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0px 2rem;
  border-left: 1px solid var(--line);
}
.about_profile .stats li:first-child {
  border-left: none;
}
.about_profile .stats strong {
  color: var(--primary);
  font-weight: 700;
  font-size: 4.4rem;
  line-height: 5rem;
}
.about_profile .stats small {
  margin-left: 0.4rem;
  font-weight: 600;
  font-size: 2.2rem;
}
.about_profile .stats span {
  margin-top: 0.6rem;
  color: var(--text2);
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .about_profile .top {
    flex-direction: column;
    align-items: flex-start;
    gap: 6rem;
  }
  .about_profile .top {
    align-items: stretch;
  }
  .about_profile .visual {
    width: 100%;
  }
  .about_profile .gallery {
    height: 60rem;
  }
  .about_profile .thumbs li {
    height: 10rem;
  }
  .about_profile .text {
    width: 100%;
  }
  .about_profile .stats li {
    padding: 0px 1rem;
  }
  .about_profile .stats span {
    font-size: 1.6rem;
    line-height: 2.2rem;
  }
}

@media screen and (max-width: 768px) {
  .about_profile {
    padding: 64px 0px;
  }
  .about_profile .top {
    flex-direction: column;
    align-items: stretch;
    gap: 40px;
  }
  .about_profile .visual {
    width: 100%;
  }
  .about_profile .gallery {
    height: auto;
    border-radius: 14px;
    aspect-ratio: 3 / 2.2;
  }
  .about_profile .gallery .cap {
    left: 16px;
    bottom: 18px;
    max-width: 55%;
    font-size: 14px;
    line-height: 19px;
  }
  .about_profile .gallery .cap::before {
    width: 18px;
    margin-bottom: 6px;
  }
  .about_profile .play {
    gap: 8px;
  }
  .about_profile .play i {
    width: 58px;
    height: 58px;
  }
  .about_profile .play i::before {
    left: -7px;
    top: -7px;
    width: calc(100% + 14px);
    height: calc(100% + 14px);
  }
  .about_profile .play i::after {
    margin-left: 4px;
    border-top-width: 8px;
    border-bottom-width: 8px;
    border-left-width: 12px;
  }
  .about_profile .play span {
    padding: 5px 12px;
    font-size: 12px;
    line-height: 16px;
  }
  .about_profile .bar {
    right: 14px;
    bottom: 14px;
    gap: 10px;
  }
  .about_profile .count {
    display: none;
  }
  .about_profile .bar .swiper_btns {
    gap: 8px;
  }
  .about_profile .bar .swiper_btns div {
    width: 36px;
    height: 36px;
  }
  .about_profile .thumbs {
    gap: 8px;
    margin-top: 10px;
  }
  .about_profile .thumbs li {
    min-width: 0px;
    height: 40px;
    border-radius: 8px;
  }
  .about_profile .text {
    width: 100%;
  }
  .about_profile .tcon p + p {
    margin-top: 12px;
  }
  .about_profile .mv {
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
  }
  .about_profile .mv li {
    gap: 14px;
    padding: 18px;
    border-radius: 12px;
  }
  .about_profile .mv i {
    width: 42px;
    height: 42px;
    border-radius: 8px;
  }
  .about_profile .mv i img {
    width: 22px;
    height: 22px;
  }
  .about_profile .mv h3 {
    font-size: 17px;
    line-height: 22px;
  }
  .about_profile .mv p {
    margin-top: 4px;
    font-size: 14px;
    line-height: 1.6;
  }
  .about_profile .stats {
    flex-wrap: wrap;
    row-gap: 24px;
    margin-top: 40px;
    padding: 24px 0px;
    border-radius: 12px;
  }
  .about_profile .stats li {
    flex: 0 0 50%;
    padding: 0px 10px;
  }
  .about_profile .stats li:nth-child(odd) {
    border-left: none;
  }
  .about_profile .stats li:last-child {
    flex-basis: 100%;
  }
  .about_profile .stats strong {
    font-size: 28px;
    line-height: 34px;
  }
  .about_profile .stats small {
    font-size: 16px;
  }
  .about_profile .stats span {
    margin-top: 4px;
    font-size: 11px;
    line-height: 16px;
  }
}


.about_factory {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: 12rem 0px 10rem;
  background-color: var(--light);
}
.about_factory .bg {
  position: absolute;
  left: 0px;
  top: 0px;
  z-index: -2;
  width: 100%;
  height: calc(100% - 30rem);
}
.about_factory .bg img {
  object-position: center 62%;
}
.about_factory::before {
  content: '';
  position: absolute;
  left: 0px;
  top: 0px;
  z-index: -1;
  width: 100%;
  height: calc(100% - 30rem);
  pointer-events: none;
  /* revision 4: real workshop photo (client deck) must read as a factory -> lighter mask, darker only where the text sits */
  background: linear-gradient(90deg, rgba(4, 17, 45, 0.55) 0%, rgba(4, 17, 45, 0.15) 45%, rgba(4, 17, 45, 0) 70%), linear-gradient(180deg, rgba(4, 17, 45, 0.86) 0%, rgba(6, 30, 72, 0.7) 40%, rgba(8, 47, 106, 0.62) 70%, rgba(8, 47, 106, 0.8) 100%);
}
.about_factory .content {
  position: relative;
}
.about_factory .head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8rem;
}
.about_factory .head .tcon:last-child {
  width: 60rem;
}
.about_factory .chain {
  display: flex;
  align-items: stretch;
  margin-top: 5.2rem;
  border-radius: 1.6rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background-color: rgba(255, 255, 255, 0.05);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.about_factory .chain .label {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  width: 22rem;
  padding: 0px 3.2rem;
  border-radius: 1.6rem 0px 0px 1.6rem;
  color: #fff;
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 2.8rem;
  background-color: var(--primary);
}
.about_factory .chain ul {
  flex: 1;
  display: flex;
}
.about_factory .chain li {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1.6rem;
  padding: 2.6rem 2.8rem;
}
.about_factory .chain li + li::before {
  content: '';
  position: absolute;
  left: -1.3rem;
  top: 50%;
  z-index: 2;
  width: 2.6rem;
  height: 2.6rem;
  margin-top: -1.3rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: #0a2553 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 8' fill='none' stroke='%236fa8ec' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M.7 4h8.6M6 .7 9.3 4 6 7.3'/%3E%3C/svg%3E") no-repeat center / 1rem 0.8rem;
}
.about_factory .chain li + li::after {
  content: '';
  position: absolute;
  left: 0px;
  top: 2rem;
  bottom: 2rem;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.12);
}
.about_factory .chain i {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 5.6rem;
  height: 5.6rem;
  border-radius: 50%;
  border: 1px solid rgba(111, 168, 236, 0.4);
  background-color: rgba(111, 168, 236, 0.12);
}
.about_factory .chain i img {
  display: block;
  width: 2.8rem;
  height: 2.8rem;
}
.about_factory .chain h3 {
  color: #fff;
  font-weight: 600;
  font-size: 1.9rem;
  line-height: 2.4rem;
}
.about_factory .chain p {
  margin-top: 0.4rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.4rem;
  line-height: 2rem;
}
.about_factory .tab_box {
  display: flex;
  align-items: stretch;
  gap: 4rem;
  margin-top: 6rem;
  padding: 2.4rem;
  border-radius: 2.4rem;
  background-color: #fff;
  box-shadow: 0px 3rem 6rem rgba(4, 17, 45, 0.14);
}
.about_factory .tabs {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  width: 38rem;
  padding: 1.2rem 0px 1.2rem 1.2rem;
}
.about_factory .tabs li {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  padding: 2rem 2.4rem;
  border-radius: 1.4rem;
  cursor: pointer;
  transition: background-color 0.3s;
}
.about_factory .tabs li + li {
  margin-top: 0.4rem;
}
.about_factory .tabs li::before {
  content: '';
  position: absolute;
  left: 0px;
  top: 2rem;
  bottom: 2rem;
  width: 0.3rem;
  border-radius: 0.3rem;
  background-color: var(--primary);
  opacity: 0;
  transition: opacity 0.3s;
}
.about_factory .tabs li::after {
  content: '';
  position: absolute;
  left: 2.4rem;
  right: 2.4rem;
  bottom: -0.2rem;
  height: 1px;
  background-color: var(--line);
}
.about_factory .tabs li:last-child::after,
.about_factory .tabs li.active::after {
  display: none;
}
.about_factory .tabs .num {
  flex-shrink: 0;
  padding-top: 0.3rem;
  color: var(--text2);
  font-weight: 600;
  font-size: 1.4rem;
  line-height: 2rem;
  letter-spacing: 0.06em;
  transition: color 0.3s;
}
.about_factory .tabs h3 {
  color: var(--title);
  font-weight: 600;
  font-size: 2.2rem;
  line-height: 2.6rem;
  transition: color 0.3s;
}
.about_factory .tabs p {
  display: none;
  margin-top: 1rem;
  color: var(--text);
  font-size: 1.5rem;
  line-height: 2.4rem;
}
.about_factory .tabs li:hover h3 {
  color: var(--primary);
}
.about_factory .tabs li.active {
  background-color: var(--light);
}
.about_factory .tabs li.active::before {
  opacity: 1;
}
.about_factory .tabs li.active .num,
.about_factory .tabs li.active h3 {
  color: var(--primary);
}
.about_factory .tabs li.active p {
  display: block;
}
.about_factory .panels {
  flex: 1;
  min-width: 0px;
  display: grid;
}
.about_factory .panels > li {
  grid-area: 1 / 1;
  display: grid;
  grid-template-columns: 1fr 28rem;
  grid-template-rows: 1fr 1fr;
  gap: 1.6rem;
  height: 48rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}
.about_factory .panels > li.active {
  opacity: 1;
  visibility: visible;
}
.about_factory .panels .img {
  display: block;
  border-radius: 1.4rem;
}
.about_factory .panels .main {
  grid-row: 1 / 3;
}
.about_factory .panels .img:hover img {
  transform: scale(1.05);
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .about_factory .bg,
  .about_factory::before {
    height: calc(100% - 26rem);
  }
  .about_factory .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  .about_factory .head .tcon:last-child {
    width: 100%;
  }
  .about_factory .chain {
    flex-direction: column;
  }
  .about_factory .chain .label {
    width: auto;
    padding: 1.6rem 3.2rem;
    border-radius: 1.6rem 1.6rem 0px 0px;
  }
  .about_factory .chain ul {
    flex-wrap: wrap;
  }
  .about_factory .chain li {
    flex: 0 0 50%;
  }
  .about_factory .chain li + li::before {
    display: none;
  }
  .about_factory .chain li:nth-child(3)::after {
    display: none;
  }
  .about_factory .chain li:nth-child(n+3) {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }
  .about_factory .chain p {
    font-size: 1.7rem;
    line-height: 2.4rem;
  }
  .about_factory .tabs {
    width: 34rem;
  }
  .about_factory .tabs p {
    font-size: 1.7rem;
    line-height: 2.6rem;
  }
  .about_factory .panels > li {
    grid-template-columns: 1fr;
    grid-template-rows: 2fr 1fr;
    height: 60rem;
  }
  .about_factory .panels .main {
    grid-row: auto;
  }
  .about_factory .panels .sub:last-child {
    display: none;
  }
}

@media screen and (max-width: 768px) {
  .about_factory {
    padding: 64px 0px;
  }
  .about_factory .bg,
  .about_factory::before {
    height: calc(100% - 200px);
  }
  .about_factory .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .about_factory .head .tcon:last-child {
    width: 100%;
  }
  .about_factory .chain {
    flex-direction: column;
    margin-top: 28px;
    border-radius: 12px;
  }
  .about_factory .chain .label {
    width: auto;
    padding: 12px 18px;
    border-radius: 12px 12px 0px 0px;
    font-size: 16px;
    line-height: 22px;
  }
  .about_factory .chain .label br {
    display: none;
  }
  .about_factory .chain ul {
    flex-wrap: wrap;
  }
  .about_factory .chain li {
    flex: 0 0 50%;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
  }
  .about_factory .chain li + li::before {
    display: none;
  }
  .about_factory .chain li:nth-child(3)::after {
    display: none;
  }
  .about_factory .chain li + li::after {
    top: 14px;
    bottom: 14px;
  }
  .about_factory .chain li:nth-child(n+3) {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }
  .about_factory .chain i {
    width: 40px;
    height: 40px;
  }
  .about_factory .chain i img {
    width: 20px;
    height: 20px;
  }
  .about_factory .chain h3 {
    font-size: 15px;
    line-height: 20px;
  }
  .about_factory .chain p {
    margin-top: 2px;
    font-size: 12px;
    line-height: 17px;
  }
  .about_factory .tab_box {
    flex-direction: column;
    gap: 14px;
    margin-top: 28px;
    padding: 12px;
    border-radius: 16px;
  }
  .about_factory .tabs {
    width: 100%;
    padding: 0px;
  }
  .about_factory .tabs li {
    gap: 14px;
    padding: 14px 16px;
    border-radius: 10px;
  }
  .about_factory .tabs li::before {
    top: 14px;
    bottom: 14px;
  }
  .about_factory .tabs li::after {
    left: 16px;
    right: 16px;
  }
  .about_factory .tabs .num {
    padding-top: 1px;
    font-size: 12px;
    line-height: 18px;
  }
  .about_factory .tabs h3 {
    font-size: 16px;
    line-height: 20px;
  }
  .about_factory .tabs p {
    margin-top: 6px;
    font-size: 14px;
    line-height: 1.6;
  }
  .about_factory .panels > li {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 8px;
    height: auto;
  }
  .about_factory .panels .img {
    border-radius: 10px;
    aspect-ratio: 4 / 3;
  }
  .about_factory .panels .main {
    grid-row: auto;
    grid-column: 1 / 3;
  }
}


.about_process {
  position: relative;
  padding: 12rem 0px 6rem;
  background: linear-gradient(180deg, #fff 0%, #fff 50%, #e6e9ea 100%);
}
.about_process .head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8rem;
}
.about_process .head .tcon {
  width: 68rem;
}
.about_process .facts {
  flex-shrink: 0;
  display: flex;
  width: 58rem;
  padding-bottom: 0.4rem;
}
.about_process .facts li {
  flex: 1;
  padding: 0.4rem 2.4rem;
  border-left: 1px solid var(--line);
}
.about_process .facts strong {
  display: block;
  color: var(--primary);
  font-weight: 700;
  font-size: 3.6rem;
  line-height: 4.2rem;
  white-space: nowrap;
}
.about_process .facts span {
  display: block;
  margin-top: 0.8rem;
  color: var(--text2);
  font-size: 1.4rem;
  line-height: 2rem;
}
.about_process .flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.4rem;
  margin-top: 5.6rem;
}
.about_process .flow > li {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0px;
  border-radius: 1.6rem;
  background-color: var(--light);
}
.about_process .flow > li + li::before {
  content: '';
  position: absolute;
  left: -3.4rem;
  top: 8.2rem;
  z-index: 3;
  width: 4.4rem;
  height: 4.4rem;
  border-radius: 50%;
  border: 0.4rem solid #fff;
  background: var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 8' fill='none' stroke='%23fff' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M.7 4h8.6M6 .7 9.3 4 6 7.3'/%3E%3C/svg%3E") no-repeat center / 1.2rem 1rem;
  box-shadow: 0px 0.6rem 1.6rem rgba(11, 61, 135, 0.25);
}
.about_process .flow .img {
  aspect-ratio: 16 / 10;
  border-radius: 1.6rem 1.6rem 0px 0px;
  overflow: hidden;
}
.about_process .flow > li:hover .img img {
  transform: scale(1.05);
}
.about_process .flow .info {
  flex: 1;
  padding: 2.6rem 2.8rem 3rem;
}
.about_process .stage {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 2rem;
  letter-spacing: 0.08em;
}
.about_process .stage b {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  color: #fff;
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0px;
  background-color: var(--primary);
}
.about_process .flow h3 {
  margin-top: 1.4rem;
  color: var(--title);
  font-weight: 600;
  font-size: 2.1rem;
  line-height: 2.8rem;
}
.about_process .flow .check_list {
  margin-top: 1.6rem;
}
.about_process .flow .check_list li {
  font-size: 1.5rem;
  line-height: 2.4rem;
}
.about_process .flow .check_list li::before {
  top: 0.45rem;
}
.about_process .flow .check_list li + li {
  margin-top: 0.8rem;
}
.about_process .tests {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
  margin-top: 2.4rem;
}
.about_process .tests > li {
  padding: 3rem 3rem 3.2rem;
  border-radius: 1.6rem;
  border: 1px solid var(--line);
  background-color: #fff;
  transition: transform 0.35s, box-shadow 0.35s, border-color 0.35s;
}
.about_process .tests > li:hover {
  transform: translateY(-0.6rem);
  border-color: rgba(11, 61, 135, 0.35);
  box-shadow: 0px 1.6rem 3.6rem rgba(11, 20, 46, 0.08);
}
.about_process .tests .top {
  display: flex;
  align-items: flex-start;
  gap: 1.8rem;
}
.about_process .tests i {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 5.2rem;
  height: 5.2rem;
  border-radius: 1.2rem;
  background-color: var(--light);
}
.about_process .tests i img {
  display: block;
  width: 2.8rem;
  height: 2.8rem;
}
.about_process .tests h3 {
  color: var(--title);
  font-weight: 600;
  font-size: 1.9rem;
  line-height: 2.5rem;
}
.about_process .tests .top p {
  margin-top: 0.6rem;
  color: var(--text2);
  font-size: 1.4rem;
  line-height: 2.1rem;
}
.about_process .pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.2rem;
}
.about_process .pills li {
  padding: 0.6rem 1.3rem;
  border-radius: 3rem;
  color: var(--title);
  font-size: 1.4rem;
  line-height: 2rem;
  background-color: var(--light);
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .about_process .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4rem;
  }
  .about_process .head .tcon {
    width: 100%;
  }
  .about_process .facts {
    width: 100%;
  }
  .about_process .facts li:first-child {
    padding-left: 0px;
    border-left: none;
  }
  .about_process .facts span {
    font-size: 1.7rem;
    line-height: 2.4rem;
  }
  .about_process .flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
  .about_process .flow > li:nth-child(3)::before {
    display: none;
  }
  .about_process .flow > li + li::before {
    left: -4rem;
    top: 11rem;
  }
  .about_process .flow .check_list li {
    font-size: 1.8rem;
    line-height: 2.6rem;
  }
  .about_process .tests {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about_process .tests .top p,
  .about_process .pills li {
    font-size: 1.7rem;
    line-height: 2.4rem;
  }
}

@media screen and (max-width: 768px) {
  .about_process {
    padding: 64px 0px 40px;
  }
  .about_process .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  .about_process .head .tcon {
    width: 100%;
  }
  .about_process .facts {
    width: 100%;
    padding-bottom: 0px;
  }
  .about_process .facts li {
    padding: 0px 12px;
  }
  .about_process .facts li:first-child {
    padding-left: 0px;
    border-left: none;
  }
  .about_process .facts strong {
    font-size: 22px;
    line-height: 28px;
  }
  .about_process .facts span {
    margin-top: 4px;
    font-size: 12px;
    line-height: 16px;
  }
  .about_process .flow {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-top: 32px;
  }
  .about_process .flow > li {
    border-radius: 14px;
  }
  .about_process .flow > li + li::before {
    left: 50%;
    top: -22px;
    width: 32px;
    height: 32px;
    margin-left: -16px;
    margin-top: -5px;
    border-width: 3px;
    background-size: 10px 8px;
    transform: rotate(90deg);
  }
  .about_process .flow .img {
    border-radius: 14px 14px 0px 0px;
  }
  .about_process .flow .info {
    padding: 18px 18px 22px;
  }
  .about_process .stage {
    gap: 8px;
    font-size: 13px;
    line-height: 18px;
  }
  .about_process .stage b {
    width: 26px;
    height: 26px;
    font-size: 11px;
  }
  .about_process .flow h3 {
    margin-top: 10px;
    font-size: 18px;
    line-height: 24px;
  }
  .about_process .flow .check_list {
    margin-top: 12px;
  }
  .about_process .flow .check_list li {
    padding-left: 24px;
    font-size: 14px;
    line-height: 21px;
  }
  .about_process .flow .check_list li::before {
    top: 3px;
    width: 14px;
    height: 14px;
    background-size: 8px;
  }
  .about_process .flow .check_list li + li {
    margin-top: 6px;
  }
  .about_process .tests {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 12px;
  }
  .about_process .tests > li {
    padding: 20px 18px 22px;
    border-radius: 14px;
  }
  .about_process .tests .top {
    gap: 14px;
  }
  .about_process .tests i {
    width: 44px;
    height: 44px;
    border-radius: 10px;
  }
  .about_process .tests i img {
    width: 24px;
    height: 24px;
  }
  .about_process .tests h3 {
    font-size: 17px;
    line-height: 22px;
  }
  .about_process .tests .top p {
    margin-top: 4px;
    font-size: 13px;
    line-height: 19px;
  }
  .about_process .pills {
    gap: 6px;
    margin-top: 16px;
  }
  .about_process .pills li {
    padding: 5px 11px;
    font-size: 12px;
    line-height: 17px;
  }
}


.about_team {
  padding: 12rem 0px;
  background-color: #fff;
}
.about_team .head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8rem;
}
.about_team .head .tcon:first-child {
  flex: 1;
}
.about_team .head .tcon:last-child {
  flex-shrink: 0;
  width: 52rem;
}
.about_team .list {
  display: flex;
  gap: 2rem;
  margin-top: 5.2rem;
}
.about_team .list li {
  flex: 1;
  min-width: 0px;
  display: flex;
  flex-direction: column;
  border-radius: 1.6rem;
  overflow: hidden;
  background-color: var(--light);
}
.about_team .list .img {
  aspect-ratio: 4 / 3;
}
.about_team .list li:hover .img img {
  transform: scale(1.05);
}
.about_team .info {
  flex: 1;
  padding: 2.4rem 2.4rem 2.8rem;
}
.about_team .info strong {
  display: block;
  color: var(--primary);
  font-weight: 700;
  font-size: 3.6rem;
  line-height: 4.2rem;
}
.about_team .info h3 {
  margin-top: 0.6rem;
  color: var(--title);
  font-weight: 600;
  font-size: 1.8rem;
  line-height: 2.4rem;
}
.about_team .info p {
  margin-top: 0.8rem;
  color: var(--text);
  font-size: 1.5rem;
  line-height: 2.3rem;
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .about_team .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  .about_team .head .tcon:last-child {
    width: 100%;
  }
  .about_team .list {
    flex-wrap: wrap;
  }
  .about_team .list li {
    flex: 0 0 calc(33.333% - 1.334rem);
  }
}

@media screen and (max-width: 768px) {
  .about_team {
    padding: 64px 0px;
  }
  .about_team .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .about_team .head .tcon:last-child {
    width: 100%;
  }
  .about_team .list {
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
  }
  .about_team .list li {
    flex-direction: row;
    border-radius: 12px;
  }
  .about_team .list .img {
    flex-shrink: 0;
    width: 120px;
    aspect-ratio: auto;
  }
  .about_team .info {
    padding: 14px 16px;
  }
  .about_team .info strong {
    font-size: 24px;
    line-height: 28px;
  }
  .about_team .info h3 {
    margin-top: 2px;
    font-size: 15px;
    line-height: 20px;
  }
  .about_team .info p {
    margin-top: 4px;
    font-size: 13px;
    line-height: 1.5;
  }
}


.about_service {
  position: relative;
  overflow: hidden;
  padding: 11rem 0px 12rem;
  background-color: var(--light);
}
.about_service .head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8rem;
}
.about_service .head .tcon {
  flex-shrink: 0;
}
.about_service .intro {
  max-width: 62rem;
  padding-bottom: 0.4rem;
}
.about_service .intro p {
  color: var(--text);
  font-size: 1.8rem;
  line-height: 2.8rem;
}
.about_service .intro .btn_text {
  margin-top: 1.8rem;
}
.about_service .grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0px, 1fr));
  gap: 2.4rem;
  margin-top: 5.6rem;
}
.about_service .list {
  display: contents;
}
.about_service .pic {
  position: relative;
  grid-column: span 2;
  min-height: 32rem;
  overflow: hidden;
  border-radius: 1.6rem;
  background-color: var(--dark);
}
.about_service .pic .img {
  position: absolute;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 100%;
}
.about_service .pic .img img {
  object-position: center 40%;
}
.about_service .pic:hover .img img {
  transform: scale(1.04);
}
.about_service .promise {
  position: absolute;
  left: 2rem;
  right: 2rem;
  bottom: 2rem;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0px, 1fr));
  padding: 2.2rem 0px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 1.2rem;
  background-color: rgba(4, 17, 45, 0.72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.about_service .promise li {
  padding: 0px 2.4rem;
}
.about_service .promise li + li {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}
.about_service .promise strong {
  display: block;
  color: #fff;
  font-weight: 700;
  font-size: 2.8rem;
  line-height: 3.2rem;
}
.about_service .promise span {
  display: block;
  margin-top: 0.6rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.3rem;
  line-height: 1.9rem;
}
.about_service .list li {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 3.2rem 3rem 3.4rem;
  border: 1px solid transparent;
  border-radius: 1.6rem;
  background-color: #fff;
}
.about_service .list li:hover {
  border-color: rgba(11, 61, 135, 0.22);
}
.about_service .list i {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 5.2rem;
  height: 5.2rem;
  border-radius: 1rem;
  background-color: var(--primary);
  transition: background-color 0.3s;
}
.about_service .list li:hover i {
  background-color: var(--primary_dark);
}
.about_service .list i img {
  display: block;
  width: 2.8rem;
  height: 2.8rem;
}
.about_service .list h3 {
  margin-top: 2.6rem;
  color: var(--title);
  font-weight: 600;
  font-size: 2rem;
  line-height: 2.6rem;
}
.about_service .list p {
  margin-top: 1.2rem;
  color: var(--text);
  font-size: 1.5rem;
  line-height: 2.4rem;
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .about_service .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 2.4rem;
  }
  .about_service .intro {
    max-width: none;
  }
  .about_service .grid {
    grid-template-columns: repeat(2, minmax(0px, 1fr));
  }
  .about_service .pic {
    min-height: 40rem;
  }
}

@media screen and (max-width: 768px) {
  .about_service {
    padding: 60px 0px 64px;
  }
  .about_service .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .about_service .intro {
    max-width: none;
    padding-bottom: 0px;
  }
  .about_service .intro p {
    font-size: 15px;
    line-height: 1.65;
  }
  .about_service .intro .btn_text {
    margin-top: 12px;
    font-size: 15px;
  }
  .about_service .grid {
    grid-template-columns: minmax(0px, 1fr);
    gap: 12px;
    margin-top: 28px;
  }
  .about_service .pic {
    grid-column: auto;
    min-height: 0px;
    border-radius: 12px;
  }
  .about_service .pic .img {
    position: relative;
    height: auto;
    aspect-ratio: 4 / 3;
  }
  .about_service .promise {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    padding: 16px 0px;
    border: none;
    border-radius: 0px;
    background-color: var(--dark);
  }
  .about_service .promise li {
    padding: 0px 10px;
  }
  .about_service .promise strong {
    font-size: 20px;
    line-height: 24px;
  }
  .about_service .promise span {
    margin-top: 4px;
    font-size: 11px;
    line-height: 15px;
  }
  .about_service .list li {
    flex-direction: row;
    gap: 14px;
    padding: 18px 18px 20px;
    border-radius: 12px;
  }
  .about_service .list i {
    width: 44px;
    height: 44px;
    border-radius: 8px;
  }
  .about_service .list i img {
    width: 24px;
    height: 24px;
  }
  .about_service .list h3 {
    margin-top: 0px;
    padding-top: 1px;
    font-size: 17px;
    line-height: 23px;
  }
  .about_service .list p {
    margin-top: 6px;
    font-size: 14px;
    line-height: 1.6;
  }
}


.about_history {
  position: relative;
  overflow: hidden;
  padding: 12rem 0px 12rem;
  background-color: var(--light);
}
.about_history .content {
  position: relative;
}
.about_history .head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8rem;
}
.about_history .head .tcon:first-child {
  flex: 1;
}
.about_history .head .tcon:last-child {
  flex-shrink: 0;
  width: 56rem;
}
.about_history .timeline {
  position: relative;
  display: flex;
  height: 56rem;
  margin-top: 5.2rem;
}
.about_history .timeline::before {
  content: '';
  position: absolute;
  left: 0px;
  top: 50%;
  width: 100%;
  height: 2px;
  margin-top: -1px;
  background: linear-gradient(90deg, rgba(11, 61, 135, 0.18) 0%, rgba(11, 61, 135, 0.45) 100%);
}
.about_history .timeline::after {
  content: '';
  position: absolute;
  right: -0.2rem;
  top: 50%;
  width: 1.2rem;
  height: 1.2rem;
  margin-top: -0.6rem;
  border-top: 2px solid rgba(11, 61, 135, 0.45);
  border-right: 2px solid rgba(11, 61, 135, 0.45);
  transform: rotate(45deg);
}
.about_history .timeline > li {
  position: relative;
  flex: 0 0 12.5%;
  min-width: 0px;
}
/* node on the axis */
.about_history .timeline > li::before {
  content: '';
  position: absolute;
  left: 2.2rem;
  top: 50%;
  z-index: 2;
  width: 1.8rem;
  height: 1.8rem;
  margin-top: -0.9rem;
  border-radius: 50%;
  border: 2px solid var(--primary);
  background-color: #fff;
  box-shadow: 0px 0px 0px 0.6rem rgba(11, 61, 135, 0.1);
  transition: background-color 0.3s;
}
/* connector from node to card */
.about_history .timeline > li::after {
  content: '';
  position: absolute;
  left: 3.05rem;
  width: 1px;
  height: 3.2rem;
  background-color: rgba(11, 61, 135, 0.3);
}
.about_history .timeline > li:nth-child(odd)::after {
  bottom: calc(50% + 1.2rem);
}
.about_history .timeline > li:nth-child(even)::after {
  top: calc(50% + 1.2rem);
}
.about_history .card {
  position: absolute;
  left: 0px;
  width: calc(200% - 2.4rem);
  min-height: 23.8rem;
  padding: 2.6rem 2.8rem 2.8rem;
  border-radius: 1.6rem;
  background-color: #fff;
  box-shadow: 0px 0.8rem 2.4rem rgba(11, 20, 46, 0.04);
}
.about_history .timeline > li:nth-child(odd) .card {
  bottom: calc(50% + 4.4rem);
}
.about_history .timeline > li:nth-child(even) .card {
  top: calc(50% + 4.4rem);
}
.about_history .card strong {
  display: block;
  color: var(--primary);
  font-weight: 700;
  font-size: 4rem;
  line-height: 4.4rem;
}
.about_history .card h3 {
  margin-top: 1rem;
  color: var(--title);
  font-weight: 600;
  font-size: 1.9rem;
  line-height: 2.5rem;
}
.about_history .card p {
  margin-top: 0.8rem;
  color: var(--text);
  font-size: 1.5rem;
  line-height: 2.3rem;
}
.about_history .timeline > li:hover::before {
  background-color: var(--primary);
}
.about_history .timeline > li.now::before {
  background-color: var(--primary);
  box-shadow: 0px 0px 0px 0.6rem rgba(11, 61, 135, 0.18);
}
.about_history .timeline > li.now .card {
  background: var(--grad_card);
}
.about_history .timeline > li.now .card strong {
  color: var(--accent_light);
}
.about_history .timeline > li.now .card h3 {
  color: #fff;
}
.about_history .timeline > li.now .card p {
  color: rgba(255, 255, 255, 0.8);
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .about_history .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  .about_history .head .tcon:last-child {
    width: 100%;
  }
  .about_history .timeline {
    display: block;
    height: auto;
  }
  .about_history .timeline::before {
    left: 50%;
    top: 0px;
    width: 2px;
    height: 100%;
    margin-top: 0px;
    margin-left: -1px;
    background: linear-gradient(180deg, rgba(11, 61, 135, 0.18) 0%, rgba(11, 61, 135, 0.45) 100%);
  }
  .about_history .timeline::after {
    display: none;
  }
  .about_history .timeline > li {
    width: calc(50% - 5rem);
  }
  .about_history .timeline > li + li {
    margin-top: -7rem;
  }
  .about_history .timeline > li:nth-child(even) {
    margin-left: auto;
  }
  .about_history .timeline > li:nth-child(odd)::before {
    left: auto;
    right: -5.9rem;
    top: 4.4rem;
  }
  .about_history .timeline > li:nth-child(even)::before {
    left: -5.9rem;
    top: 4.4rem;
  }
  .about_history .timeline > li::after {
    display: none;
  }
  .about_history .card {
    min-height: 0px;
    position: relative;
    width: 100%;
  }
  .about_history .timeline > li:nth-child(odd) .card,
  .about_history .timeline > li:nth-child(even) .card {
    top: auto;
    bottom: auto;
  }
  .about_history .card p {
    font-size: 1.8rem;
    line-height: 2.7rem;
  }
  .about_history .card h3 {
    font-size: 2.2rem;
    line-height: 2.8rem;
  }
}

@media screen and (max-width: 768px) {
  .about_history {
    padding: 64px 0px;
  }
  .about_history .head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .about_history .head .tcon:last-child {
    width: 100%;
  }
  .about_history .timeline {
    display: block;
    height: auto;
    margin-top: 32px;
    padding-left: 30px;
  }
  .about_history .timeline::before {
    left: 8px;
    top: 6px;
    width: 2px;
    height: calc(100% - 12px);
    margin-top: 0px;
    background: linear-gradient(180deg, rgba(11, 61, 135, 0.18) 0%, rgba(11, 61, 135, 0.45) 100%);
  }
  .about_history .timeline::after {
    display: none;
  }
  .about_history .timeline > li + li {
    margin-top: 14px;
  }
  .about_history .timeline > li::before {
    left: -28px;
    top: 24px;
    width: 14px;
    height: 14px;
    margin-top: 0px;
    box-shadow: 0px 0px 0px 4px rgba(11, 61, 135, 0.1);
  }
  .about_history .timeline > li::after {
    display: none;
  }
  .about_history .card {
    min-height: 0px;
    position: relative;
    width: 100%;
    padding: 18px 18px 20px;
    border-radius: 12px;
  }
  .about_history .timeline > li:nth-child(odd) .card,
  .about_history .timeline > li:nth-child(even) .card {
    top: auto;
    bottom: auto;
  }
  .about_history .card strong {
    font-size: 26px;
    line-height: 30px;
  }
  .about_history .card h3 {
    margin-top: 6px;
    font-size: 17px;
    line-height: 22px;
  }
  .about_history .card p {
    margin-top: 6px;
    font-size: 14px;
    line-height: 1.6;
  }
}


.about_parallax {
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 64rem;
  padding: 12rem 0px;
  background-color: var(--dark);
}
.about_parallax.img_bg > img {
  top: -20%;
  height: 140%;
  will-change: transform;
}
.about_parallax::before {
  content: '';
  position: absolute;
  left: 0px;
  top: 0px;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  /* revision 3: dark behind the centred text only, lighter on the sides so the two valves stay visible */
  background: radial-gradient(ellipse 38% 60% at 50% 50%, rgba(4, 17, 45, 0.84) 0%, rgba(4, 17, 45, 0.66) 55%, rgba(4, 17, 45, 0.22) 100%);
}
.about_parallax::after {
  content: '';
  position: absolute;
  left: 0px;
  top: 0px;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(8, 47, 106, 0.35) 0%, rgba(8, 47, 106, 0) 40%, rgba(4, 17, 45, 0.35) 100%);
}
.about_parallax .content {
  width: 100%;
}
.about_parallax .tcon {
  max-width: 96rem;
  margin: 0px auto;
}
.about_parallax .tcon h2 {
  font-size: 5.6rem;
  line-height: 6.6rem;
}
.about_parallax .tcon p {
  max-width: 76rem;
  margin-left: auto;
  margin-right: auto;
}
.about_parallax .tcon h2 + p {
  margin-top: 2.4rem;
}
.about_parallax .btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-top: 4.4rem;
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .about_parallax {
    min-height: 56rem;
  }
  .about_parallax .tcon h2 {
    font-size: 4.8rem;
    line-height: 1.2;
  }
}

@media screen and (max-width: 768px) {
  .about_parallax::before {
    background: rgba(4, 17, 45, 0.78);
  }
  .about_parallax {
    min-height: 0px;
    padding: 80px 0px;
  }
  .about_parallax.img_bg > img {
    top: -10%;
    height: 120%;
  }
  .about_parallax .tcon h2 {
    font-size: 28px;
    line-height: 1.25;
  }
  .about_parallax .tcon h2 br {
    display: none;
  }
  .about_parallax .tcon h2 + p {
    margin-top: 14px;
  }
  .about_parallax .btns {
    gap: 12px;
    margin-top: 28px;
  }
}


.about_certs {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: 12rem 0px 13rem;
  background-color: var(--primary);
}
/* revision 4b (client): see-through brand-blue gradient over a faint grey photo of the DELCO test lab (was flat dark) */
.about_certs .bg {
  position: absolute;
  inset: 0px;
  z-index: -2;
}
.about_certs .bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  opacity: 0.55;
}
.about_certs .bg::after {
  content: '';
  position: absolute;
  inset: 0px;
  background: linear-gradient(118deg, rgba(8, 47, 106, 0.92) 0%, rgba(11, 61, 135, 0.8) 42%, rgba(24, 88, 176, 0.62) 100%);
}
.about_certs::before {
  content: '';
  position: absolute;
  inset: 0px;
  z-index: -1;
  background-image: linear-gradient(rgba(150, 190, 245, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(150, 190, 245, 0.06) 1px, transparent 1px);
  background-size: 6.4rem 6.4rem;
  -webkit-mask-image: radial-gradient(90rem 60rem at 75% 45%, #000 0%, rgba(0, 0, 0, 0.3) 60%, transparent 90%);
  mask-image: radial-gradient(90rem 60rem at 75% 45%, #000 0%, rgba(0, 0, 0, 0.3) 60%, transparent 90%);
  pointer-events: none;
}
.about_certs::after {
  content: '';
  position: absolute;
  right: -20rem;
  top: -20rem;
  z-index: -1;
  width: 90rem;
  height: 90rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 168, 236, 0.22) 0%, rgba(111, 168, 236, 0) 66%);
  pointer-events: none;
}
.about_certs .content {
  display: flex;
  align-items: center;
  gap: 8rem;
}
.about_certs .intro {
  flex-shrink: 0;
  width: 44rem;
}
.about_certs .tcon p {
  margin-top: 2.4rem;
  color: rgba(255, 255, 255, 0.76);
}
.about_certs .facts {
  margin-top: 4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.about_certs .facts li {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 2rem 0px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.about_certs .facts strong {
  color: #fff;
  font-weight: 700;
  font-size: 2.8rem;
  line-height: 3.4rem;
}
.about_certs .facts span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 1.5rem;
  line-height: 2.2rem;
}
.about_certs .btns {
  margin-top: 4rem;
}
.about_certs .wall {
  flex: 1;
  min-width: 0px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0px, 1fr));
  gap: 2.4rem;
}
/* staggered columns (top, not transform: the AOS animation owns transform on [data-aos]) */
.about_certs .wall li {
  position: relative;
}
.about_certs .wall li:nth-child(even) {
  top: 4.8rem;
}
.about_certs .wall .paper {
  padding: 1rem;
  border-radius: 1.2rem;
  background-color: #fff;
  box-shadow: 0px 2.4rem 4.8rem rgba(0, 6, 20, 0.35);
  transition: transform 0.35s, box-shadow 0.35s;
}
.about_certs .wall img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 560 / 792;
  object-fit: cover;
  object-position: center top;
  border-radius: 0.4rem;
}
.about_certs .wall li:hover .paper {
  transform: translateY(-0.8rem);
  box-shadow: 0px 3.2rem 6rem rgba(0, 6, 20, 0.45);
}
.about_certs .wall h3 {
  margin-top: 1.6rem;
  color: #fff;
  font-weight: 600;
  font-size: 1.6rem;
  line-height: 2.2rem;
  text-align: center;
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .about_certs .content {
    gap: 5rem;
  }
  .about_certs .intro {
    width: 36rem;
  }
  .about_certs .wall {
    grid-template-columns: repeat(3, minmax(0px, 1fr));
  }
  .about_certs .wall li:nth-child(even) {
    top: 0px;
  }
  .about_certs .wall li:nth-child(3n + 2) {
    top: 4rem;
  }
  .about_certs .wall li:nth-child(n + 7) {
    display: none;
  }
}

@media screen and (max-width: 768px) {
  .about_certs {
    padding: 60px 0px 64px;
  }
  .about_certs .content {
    flex-direction: column;
    align-items: stretch;
    gap: 36px;
  }
  .about_certs .intro {
    width: auto;
  }
  .about_certs .tcon p {
    margin-top: 14px;
  }
  .about_certs .facts {
    margin-top: 24px;
  }
  .about_certs .facts li {
    padding: 14px 0px;
  }
  .about_certs .facts strong {
    font-size: 22px;
    line-height: 28px;
  }
  .about_certs .facts span {
    font-size: 14px;
    line-height: 20px;
  }
  .about_certs .btns {
    margin-top: 24px;
  }
  .about_certs .wall {
    grid-template-columns: repeat(2, minmax(0px, 1fr));
    gap: 16px 12px;
  }
  .about_certs .wall li:nth-child(even) {
    top: 24px;
  }
  .about_certs .wall .paper {
    padding: 6px;
    border-radius: 8px;
  }
  .about_certs .wall h3 {
    margin-top: 10px;
    font-size: 14px;
    line-height: 20px;
  }
}