* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
  margin: 0;
}
p {
  margin: 0;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
}
button {
  outline: none;
  border: none;
}
.mb {
  display: none;
}
.kv {
  font-size: 0;
}
.kv img {
  width: 100%;
}
.container {
  width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
}
.title {
  text-align: center;
  color: #fff;
  font-weight: 600;
  font-size: min(50px, 2.6041vw);
}
.solution {
  position: relative;
}
.solution .solution-tab {
  position: absolute;
  bottom: min(90px, 4.6875vw);
  left: 0;
  width: 100%;
  border-bottom: 1px dashed rgba(172, 169, 164, 0.67);
}
.solution .solution-tab ul {
  display: flex;
  margin-bottom: min(30px, 1.5625vw);
  justify-content: center;
  gap: min(100px, 5.2083vw);
}
.solution .solution-tab ul li {
  border: 3px solid #fff;
  position: relative;
  cursor: pointer;
  transition: all 0.5s ease;
  width: min(200px, 10.4167vw);
}
.solution .solution-tab ul li.active {
  border-color: #0048ff;
}
.solution .solution-tab ul li.active .tab-text .dot {
  background-color: #0048ff;
}
.solution .solution-tab ul li.active .tab-text .dot span {
  background-color: #fff;
}
.solution .solution-tab ul li.active .tab-text h3 {
  font-weight: bold;
  color: #0048ff;
}
.solution .solution-tab ul li img {
  width: 100%;
}
.solution .solution-tab ul li .tab-text {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: calc(100% + min(16px, 0.8333vw));
  display: flex;
  flex-direction: column;
  align-items: center;
}
.solution .solution-tab ul li .tab-text .dot {
  width: min(32px, 1.6666vw);
  height: min(32px, 1.6666vw);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #fff;
  transition: all 0.5s ease;
}
.solution .solution-tab ul li .tab-text .dot span {
  border-radius: 50%;
  width: min(12px, 0.625vw);
  height: min(12px, 0.625vw);
  background-color: #0048ff;
  transition: all 0.5s ease;
}
.solution .solution-tab ul li .tab-text h3 {
  font-size: min(25px, 1.302vw);
  color: #fff;
  margin-top: 8px;
}
.solution .solution-content .solution-item {
  display: none;
  position: relative;
}
.solution .solution-content .solution-item:nth-of-type(1) .solution-title p span {
  color: #ffaf2c;
}
.solution .solution-content .solution-item:nth-of-type(2) .solution-title .solution-type {
  background: rgba(255, 255, 255, 0.55);
  color: #000;
}
.solution .solution-content .solution-item:nth-of-type(3) .solution-title .solution-type {
  background: rgba(118, 183, 189, 0.55);
}
.solution .solution-content .solution-item:nth-of-type(3) .solution-title p span {
  color: #ffaf2c;
}
.solution .solution-content .solution-item:nth-of-type(4) .solution-title .solution-type {
  background: rgba(240, 139, 39, 0.55);
}
.solution .solution-content .solution-item.expand {
  display: block;
}
.solution .solution-content .solution-item > img {
  width: 100%;
}
.solution .solution-content .solution-item .solution-title {
  position: absolute;
  top: 4.2083vw;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
}
.solution .solution-content .solution-item .solution-title.black p {
  color: #000;
}
.solution .solution-content .solution-item .solution-title .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.solution .solution-content .solution-item .solution-title .solution-type {
  display: inline-block;
  padding: min(7px, 0.3645vw) min(16px, 0.8333vw);
  font-size: min(30px, 1.5625vw);
  color: #fff;
  border-radius: 30px;
  background: rgba(183, 149, 131, 0.55);
  margin: min(35px, 1.8229vw) 0 min(30px, 1.5625vw);
  font-weight: 600;
}
.solution .solution-content .solution-item .solution-title p {
  color: #fff;
  font-size: min(24px, 1.25vw);
  max-width: min(930px, 48.4375vw);
  text-align: center;
}
.solution .solution-content .solution-item .solution-title p span {
  color: #ffaf2c;
  font-weight: bold;
}
.solution .solution-content .solution-item .solution-title ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
}
.solution .solution-content .solution-item .solution-title ul li {
  width: calc(50% - 2.0833vw);
}
.solution .solution-content .solution-item .solution-title ul li .desc {
  position: relative;
  padding-left: 20px;
  color: #fff;
  font-size: min(24px, 1.25vw);
}
.solution .solution-content .solution-item .solution-title ul li .desc::before {
  content: "";
  width: min(10px, 0.5208vw);
  height: min(10px, 0.5208vw);
  border-radius: 50%;
  background-color: #fff;
  position: absolute;
  left: 0;
  top: min(10px, 0.5208vw);
}
.scene {
  position: relative;
}
.scene .scene-title {
  position: absolute;
  top: 4.2083vw;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scene .scene-title h2 {
  text-shadow: 3px 0px 0px rgba(0, 0, 0, 0.49), -3px 0px 0px rgba(0, 0, 0, 0.49), 0px 3px 0px rgba(0, 0, 0, 0.49), 0px -3px 0px rgba(0, 0, 0, 0.49), 2px 2px 0px rgba(0, 0, 0, 0.49), -2px 2px 0px rgba(0, 0, 0, 0.49), 2px -2px 0px rgba(0, 0, 0, 0.49), -2px -2px 0px rgba(0, 0, 0, 0.49);
}
.scene .scene-list {
  display: flex;
}
.scene .scene-list .scene-item {
  width: 25%;
  height: min(900px, 46.875vw);
  background-size: cover;
  background-position: center center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scene .scene-list .scene-item.expand {
  width: 50%;
}
.scene .scene-list .scene-item.expand::before {
  opacity: 0;
}
.scene .scene-list .scene-item.expand .scene-default {
  display: none;
}
.scene .scene-list .scene-item.expand .scene-content {
  width: 65%;
  opacity: 1;
}
.scene .scene-list .scene-item.expand .scene-content h3 {
  transition: all 0.3s;
  transition-delay: 0.4s;
  opacity: 1;
  transform: translateY(0);
}
.scene .scene-list .scene-item.expand .scene-content ul {
  transition: all 0.3s;
  transition-delay: 0.7s;
  opacity: 1;
  transform: translateY(0);
}
.scene .scene-list .scene-item::before {
  content: "";
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  position: absolute;
  top: 0;
  left: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.scene .scene-list .scene-item .scene-default {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}
.scene .scene-list .scene-item .scene-default .scene-icon {
  width: 5.625vw;
  height: 5.625vw;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #0048ff;
  border-radius: 50%;
}
.scene .scene-list .scene-item .scene-default .scene-icon img {
  width: 3.6458vw;
}
.scene .scene-list .scene-item .scene-default h3 {
  color: #fff;
  margin: 1.302vw 0 1.8229vw;
  font-size: 1.5625vw;
  font-weight: 600;
}
.scene .scene-list .scene-item .scene-default span {
  color: #fff;
  font-size: 1.0416vw;
  text-decoration: underline;
  cursor: pointer;
}
.scene .scene-list .scene-item .scene-content {
  width: 0;
  border-top: 4px solid #0072ff;
  background: rgba(0, 0, 0, 0.55);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  pointer-events: none;
  padding: min(90px, 4.1666vw) min(45px, 2.3437vw);
  transition: width 0.4s ease-in;
  overflow: hidden;
  height: min(430px, 22.3958vw);
}
.scene .scene-list .scene-item .scene-content h3 {
  color: #fff;
  font-weight: 600;
  font-size: min(30px, 1.5625vw);
  text-align: center;
  margin-bottom: min(50px, 2.6041vw);
  opacity: 0;
  transform: translateY(30px);
}
.scene .scene-list .scene-item .scene-content ul {
  opacity: 0;
  transform: translateY(30px);
}
.scene .scene-list .scene-item .scene-content ul li {
  font-size: min(20px, 1.0416vw);
  color: #fff;
  position: relative;
  padding-left: min(25px, 1.302vw);
  line-height: 1.5;
}
.scene .scene-list .scene-item .scene-content ul li::before {
  content: "";
  width: min(9px, 0.4687vw);
  height: min(9px, 0.4687vw);
  border-radius: 50%;
  position: absolute;
  top: min(9px, 0.4687vw);
  left: 0;
  background-color: #fff;
}
.scene .scene-list .scene-item .scene-content ul li span {
  color: #ffaf2c;
  font-weight: 600;
}
.scene .scene-list .scene-item:nth-of-type(1) {
  background-image: url(../images/scene-img01.jpg);
}
.scene .scene-list .scene-item:nth-of-type(2) {
  background-image: url(../images/scene-img02.jpg);
}
.scene .scene-list .scene-item:nth-of-type(3) {
  background-image: url(../images/scene-img03.jpg);
}
.product {
  background: url(../images/product-bg.jpg) top center no-repeat;
  background-size: cover;
  padding: min(80px, 4.1666vw) 0 min(70px, 3.6458vw);
}
.product .product-list {
  padding-top: min(60px, 3.125vw);
  display: flex;
}
.product .product-list .product-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.product .product-list .product-item .type {
  padding: 7px 30px;
  background: rgba(183, 149, 131, 0.55);
  border-radius: 30px;
  font-size: min(30px, 1.5625vw);
  color: #fff;
  margin-bottom: min(35px, 1.8229vw);
}
.product .product-list .product-item .product-img img {
  width: min(364px, 18.9583vw);
}
.product .product-list .product-item .little-title {
  font-size: min(25px, 1.302vw);
  color: #fff;
  margin: min(35px, 1.8229vw) 0 min(25px, 1.302vw);
  text-align: center;
}
.product .product-list .product-item .link-list {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: min(-20px, -1.0416vw);
  justify-content: center;
  width: 100%;
}
.product .product-list .product-item .link-list li {
  width: 50%;
  text-align: center;
  margin-bottom: min(20px, 1.0416vw);
}
.product .product-list .product-item .link-list li a {
  color: #fff;
  font-size: min(20px, 1.0416vw);
  text-decoration: underline !important;
}
@media (max-width: 1470px) {
  .container {
    width: 1170px;
  }
}
@media (max-width: 1200px) {
  .container {
    width: 970px;
  }
}
@media (max-width: 992px) {
  .container {
    width: 750px;
  }
}
@media (max-width: 768px) {
  .container {
    width: 100%;
  }
  .pc {
    display: none;
  }
  .mb {
    display: block;
  }
  .title {
    font-size: 20px;
  }
  .solution .solution-tab {
    position: static;
    bottom: auto;
    left: auto;
    width: 100%;
    border-bottom: none;
  }
  .solution .solution-tab .container {
    padding: 0;
  }
  .solution .solution-tab ul {
    margin-bottom: 0;
    gap: 2px;
  }
  .solution .solution-tab ul li {
    border: none;
    width: auto;
    flex: 1;
    display: flex;
    flex-direction: column-reverse;
  }
  .solution .solution-tab ul li.active .tab-text {
    background-color: #0048ff;
  }
  .solution .solution-tab ul li.active .tab-text h3 {
    color: #fff;
  }
  .solution .solution-tab ul li.active .tab-text::before {
    content: "";
    width: 8px;
    height: 8px;
    z-index: -1;
    position: absolute;
    left: 50%;
    transform: translateX(-50%) rotate(135deg);
    top: -4px;
    background: #0048ff;
  }
  .solution .solution-tab ul li .tab-text {
    position: relative;
    left: auto;
    transform: translateX(0);
    top: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    background-color: black;
    padding: 5px 0;
  }
  .solution .solution-tab ul li .tab-text .dot {
    display: none;
  }
  .solution .solution-tab ul li .tab-text h3 {
    font-size: 12px;
    margin-top: 0;
    position: relative;
    z-index: 3;
  }
  .solution .solution-content .solution-item .solution-title {
    top: 8vw;
  }
  .solution .solution-content .solution-item .solution-title.black p {
    color: #333333;
  }
  .solution .solution-content .solution-item .solution-title .title {
    text-shadow: 0 0 2px rgba(255, 255, 255, 0.45), 0 0 6px rgba(134, 95, 63, 0.35), 0 0 10px rgba(134, 95, 63, 0.42), 0 0 16px rgba(134, 95, 63, 0.25);
  }
  .solution .solution-content .solution-item .solution-title .solution-type {
    padding: 3.5px 7px;
    font-size: 13px;
    border-radius: 15px;
    margin: 15px 0;
  }
  .solution .solution-content .solution-item .solution-title p {
    font-size: 12px;
    max-width: 100%;
  }
  .solution .solution-content .solution-item .solution-title p span {
    color: #fa9c02;
  }
  .solution .solution-content .solution-item .solution-title ul {
    gap: 20px;
  }
  .solution .solution-content .solution-item .solution-title ul li {
    width: auto;
    flex: 1;
  }
  .solution .solution-content .solution-item .solution-title ul li .desc {
    padding-left: 10px;
    font-size: 12px;
  }
  .solution .solution-content .solution-item .solution-title ul li .desc::before {
    width: 6px;
    height: 6px;
    top: 4px;
  }
  .scene .scene-title {
    position: static;
    top: auto;
    left: auto;
    transform: translateX(0);
    padding: 25px 0;
  }
  .scene .scene-title h2 {
    text-shadow: none;
    color: #000;
  }
  .scene .scene-list {
    flex-direction: column;
    gap: 2px;
  }
  .scene .scene-list .scene-item {
    width: 100%;
    height: 40vw;
  }
  .scene .scene-list .scene-item.expand {
    width: 100%;
    height: 66.6666vw;
  }
  .scene .scene-list .scene-item.expand::before {
    opacity: 0;
  }
  .scene .scene-list .scene-item.expand .scene-content {
    width: 82%;
  }
  .scene .scene-list .scene-item .scene-default .scene-icon {
    width: 14.4vw;
    height: 14.4vw;
  }
  .scene .scene-list .scene-item .scene-default .scene-icon img {
    width: 9.3333vw;
  }
  .scene .scene-list .scene-item .scene-default h3 {
    margin: 1.3333vw 0 2.6666vw;
    font-size: 4vw;
  }
  .scene .scene-list .scene-item .scene-default span {
    font-size: 2.6667vw;
  }
  .scene .scene-list .scene-item .scene-content {
    width: 0;
    border-top: 2px solid #0072ff;
    padding: 8vw 6vw 6.6667vw;
    height: 80%;
  }
  .scene .scene-list .scene-item .scene-content h3 {
    font-size: 4vw;
    margin-bottom: 4vw;
  }
  .scene .scene-list .scene-item .scene-content ul li {
    font-size: 3.2vw;
    padding-left: 10px;
  }
  .scene .scene-list .scene-item .scene-content ul li::before {
    width: 5px;
    height: 5px;
    top: 6px;
  }
  .scene .scene-list .scene-item:nth-of-type(1) {
    background-image: url(../images/scene-img01_m.jpg);
    background-position: top center;
  }
  .scene .scene-list .scene-item:nth-of-type(2) {
    background-image: url(../images/scene-img02_m.jpg);
  }
  .scene .scene-list .scene-item:nth-of-type(3) {
    background-image: url(../images/scene-img03_m.jpg);
  }
  .product {
    background: url(../images/product-bg_m.jpg) top center no-repeat;
    background-size: cover;
    padding: 38px 0;
  }
  .product .product-list {
    padding-top: 37px;
    flex-direction: column;
    margin-bottom: -30px;
  }
  .product .product-list .product-item {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 30px;
  }
  .product .product-list .product-item .type {
    padding: 4px 13px;
    border-radius: 15px;
    font-size: 14px;
  }
  .product .product-list .product-item .product-img img {
    width: 150px;
  }
  .product .product-list .product-item .m-layout {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-left: 15px;
  }
  .product .product-list .product-item .little-title {
    font-size: 12.5px;
    margin: 9px 0 15px;
    text-align: left;
  }
  .product .product-list .product-item .link-list {
    justify-content: flex-start;
    margin-bottom: -15px;
  }
  .product .product-list .product-item .link-list li {
    margin-bottom: 15px;
    text-align: left;
  }
  .product .product-list .product-item .link-list li a {
    font-size: 12px;
  }
}