/* DuDuIOT 桌面 1920 还原 */

.iot-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.iot-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.iot-icon--60 {
  width: 60px;
  height: 60px;
}

.iot-icon--30 {
  width: 30px;
  height: 30px;
}

.iot-icon--arch {
  width: 60px;
  height: 60px;
}

.iot-icon--arch img {
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
}

.iot-hero {
  position: relative;
  width: 100%;
  height: 660px;
  overflow: hidden;
  background: #000;
}

.iot-hero__bg img {
  object-fit: cover;
  object-position: center;
}

.iot-hero__bg {
  position: absolute;
  inset: 0;
  background: #000;
}

.iot-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #000;
}

.iot-hero__bg.has-image::after {
  opacity: 0.72;
}

.iot-hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 40px;
  width: 540px;
  max-width: 540px;
  margin: 0 auto 0 calc((100% - var(--content-width)) / 2);
  padding-top: 167px;
}

.iot-hero__texts {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  width: 100%;
}

.iot-hero__eyebrow {
  width: 528px;
  font-size: var(--desc-size);
  font-weight: 700;
  line-height: 1;
  color: var(--color-white);
}

.iot-hero__title {
  width: 528px;
  font-size: var(--display-size);
  font-weight: 700;
  line-height: 64px;
  color: var(--color-white);
}

.page--iot .iot-hero__content {
  width: min(760px, calc(100% - 80px));
  max-width: min(760px, calc(100% - 80px));
}

.page--iot .iot-hero__texts,
.page--iot .iot-hero__eyebrow {
  width: auto;
  max-width: 100%;
}

.page--iot .iot-hero__title {
  width: 528px;
  max-width: 100%;
  line-height: 64px;
}

.page--iot .iot-hero__sub {
  max-width: 560px;
}

.page--iot .iot-hero__break {
  display: block;
}

.iot-hero__break {
  display: none;
}

.iot-hero__sub {
  width: 100%;
  font-size: var(--desc-size);
  font-weight: 400;
  line-height: 32px;
  color: var(--color-white-60);
}

.iot-hero .btn {
  width: 164px;
}

.iot-ability {
  background: var(--color-white);
  padding: var(--section-y) 0;
}

.iot-ability__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-bottom: var(--block-gap);
}

.iot-ability__titles {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.iot-ability__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--block-gap) var(--card-gap);
  width: 1200px;
  max-width: 100%;
  margin: 0 auto;
}

.iot-ability-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--card-gap);
  width: 373px;
  padding: 40px 20px;
  border-radius: 20px;
  background: var(--color-module);
  text-align: center;
}

.iot-ability-card__copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 333px;
}

.iot-ability-card h3 {
  width: 100%;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-text);
}

.iot-ability-card p {
  width: 100%;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: var(--color-sub);
}

.iot-value {
  background: var(--color-module);
  padding: var(--section-y) 0;
}

.iot-value .sec-title {
  margin-bottom: var(--block-gap);
}

.iot-value__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--card-gap);
}

.iot-value-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 353px;
  padding: 20px;
  border-radius: 20px;
  background: var(--color-white);
  text-align: center;
}

.iot-value-card strong {
  font-size: var(--title-size);
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
}

.iot-value-card i {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-line);
}

.iot-value-card div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 311px;
}

.iot-value-card h3 {
  width: 100%;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-sub);
}

.iot-value-card p {
  width: 100%;
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  color: var(--color-sub);
}

.iot-board {
  background: var(--color-dark);
  padding: var(--section-y) 0;
}

.iot-board__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--block-gap);
}

.iot-board .sec-label,
.iot-board .sec-label span,
.iot-board .sec-title,
.iot-arch .sec-label,
.iot-arch .sec-label span,
.iot-arch .sec-title {
  color: var(--color-white);
}

.iot-board__screen {
  width: 850px;
  height: 517px;
  margin: 0 auto;
  border-radius: 0;
  background: transparent;
}

.iot-why {
  background: var(--color-white);
  padding: var(--section-y) 0;
}

.iot-why__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  width: 1008px;
  max-width: 100%;
  margin: 0 auto var(--block-gap);
}

.iot-why__desc {
  line-height: 32px;
}

.iot-why__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  width: 100%;
}

.iot-why-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
  width: 100%;
  padding: 24px 20px;
  border-radius: 20px;
  background: var(--color-module);
}

.iot-why-card__title {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  min-width: 0;
}

.iot-why-card h3 {
  min-width: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.iot-why-card p {
  width: 100%;
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  color: var(--color-sub);
}

.iot-arch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 80px;
  background: var(--color-primary);
  padding: var(--section-y) 0;
}

.iot-arch__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.iot-arch__row {
  display: flex;
  align-items: center;
}

.iot-arch-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 140px;
  padding: 10px;
  border-radius: 20px;
  background: var(--color-white-11);
}

.iot-arch-card p {
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  color: var(--color-white-60);
}

.iot-arch-card.is-active {
  background: rgba(255, 255, 255, 0.39);
}

.iot-arch-card.is-active p {
  color: var(--color-white);
}

.iot-arch-arrow {
  display: block;
  width: 40px;
  height: 40px;
  margin: 0 20px;
  object-fit: contain;
}

.iot-faq {
  background: var(--color-white);
  padding: var(--section-y) 0;
}

.iot-faq__inner {
  width: var(--content-width);
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--block-gap);
}

.iot-faq__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.iot-faq__list {
  width: min(840px, 100%);
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.iot-faq-item {
  border-top: 1px solid var(--color-line);
  padding-top: 40px;
}

.iot-faq-item:last-child {
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 40px;
}

.iot-faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0;
  color: #000;
  font-size: 20px;
  font-weight: 400;
  line-height: 28px;
  text-align: left;
}

.iot-faq-item__q i {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  position: relative;
}

.iot-faq-item__q i::before,
.iot-faq-item__q i::after {
  content: "";
  position: absolute;
  background: #121212;
}

.iot-faq-item__q i::before {
  top: 7px;
  left: 3px;
  width: 10px;
  height: 2px;
}

.iot-faq-item__q i::after {
  top: 3px;
  left: 7px;
  width: 2px;
  height: 10px;
  transform-origin: center;
  transition: transform 0.32s ease, opacity 0.24s ease;
}

.iot-faq-item.is-open .iot-faq-item__q i::after {
  transform: scaleY(0);
  opacity: 0;
}

.iot-faq-item__a {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.36s ease, opacity 0.28s ease;
}

.iot-faq-item.is-open .iot-faq-item__a {
  grid-template-rows: 1fr;
  opacity: 1;
}

.iot-faq-item__a p {
  overflow: hidden;
  min-height: 0;
  padding-top: 0;
  font-size: 16px;
  line-height: 24px;
  color: var(--color-sub);
  transition: padding-top 0.36s ease;
}

.iot-faq-item.is-open .iot-faq-item__a p {
  padding-top: 16px;
}

.iot-more {
  background: var(--color-module);
  padding: var(--section-y) 0;
}

.iot-more__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--block-gap);
}

.iot-more__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--card-gap);
}

.iot-more-card {
  width: 270px;
  padding: 16px;
  border-radius: 20px;
  background: var(--color-white);
}

.iot-more-card h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 32px;
  color: var(--color-text);
}

.iot-more-card p {
  margin-top: 4px;
  font-size: 14px;
  line-height: 22px;
  color: var(--color-sub);
}

.iot-more-card:hover h3 {
  color: var(--color-primary);
}

.iot-cta {
  background: var(--color-text);
  padding: var(--section-y) 10px;
}

.iot-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--block-gap);
  width: 1008px;
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
}

.iot-cta__copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.iot-cta h2 {
  font-size: var(--display-size);
  font-weight: 700;
  line-height: 60px;
  color: var(--color-white);
}

.iot-cta p {
  font-size: var(--desc-size);
  line-height: 32px;
  color: var(--color-white-60);
}

.iot-cta .btn {
  padding: 0 32px;
}