/*
* Prefixed by https://autoprefixer.github.io
* PostCSS: v8.4.14,
* Autoprefixer: v10.4.7
* Browsers: last 4 version
*/

:root {
  --primary-color: #1f58a7;
  --secondary-color: #c4a777;
  --text-color: #333;
  --light-bg: #f5f5f5;
  --white: #fff;
  --grid-height: 268px;
}

/* ========== 通用样式 ========== */
img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
/* ========== banner ========== */
.banner {
  background-color: var(--white);
  overflow: hidden;
}
.banner-bg {
  background: url('../img/products/up-1.png') no-repeat;
  height: 300px;
  background-size: cover;
  position: relative;
}
.banner-content {
  position: absolute;
  top: 20%;
  -webkit-transform: translateX(10%);
  -ms-transform: translateX(10%);
  transform: translateX(10%);
}
.banner-content h1 {
  margin: 0;
  color: var(--primary-color);
}
.banner-content ul {
  padding: 0;
  color: var(--primary-color);
  margin-top: 30px;
  padding: 0 0 0 15px;
}
.banner-content ul li {
  line-height: 30px;
}

/* ========== 系统列表 ========== */
.system {
  padding: 40px 0;
  opacity: 0;
}

.system-list {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 10px 1fr 10px 1fr 10px 1fr 10px 1fr 10px 1fr 10px 1fr
    10px 1fr;
  grid-template-columns: repeat(8, 1fr);
  gap: 10px;
}

.system-item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  height: 175px;
  border: 1px solid var(--primary-color);
  padding: 0 10px;
  -webkit-transition: background 0.3s, color 0.3s;
  -o-transition: background 0.3s, color 0.3s;
  transition: background 0.3s, color 0.3s;
  cursor: pointer;
}

.system-item .icon {
  width: 52px;
  height: 52px;
  margin-bottom: 10px;
}
.system-item .text {
  text-align: center;
}

/* ========== 十个系统 ========== */
.tonneau {
  background-color: var(--white);
  padding: 40px 0;
  opacity: 0;
}
.ten-title,
.tonneau-two-title {
  color: var(--primary-color);
  font-size: 24px;
  text-align: center;
  margin: 40px 0;
}

.ten-system-list,
.tonneau-list {
  margin-top: 50px;
  display: -ms-grid;
  display: grid;
  gap: 10px;
}

.ten-system-list {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr; /* IE10/11写法 */
  grid-template-columns: repeat(10, 1fr); /* 标准写法 */
}

.tonneau-list {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 1fr 1fr 1fr 1fr; /* IE10/11写法 */
  grid-template-columns: repeat(5, 1fr); /* 标准写法 */
}

/* 共用项样式 */
.system-img,
.tonneau-img,
.production-img {
  margin: 50px 0;
  img {
    width: 100%;
    height: 100%;
  }
}
.ten-system-item,
.tonneau-item {
  padding-bottom: 5px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-transition: color 0.2s, background-size 0.3s;
  -o-transition: color 0.2s, background-size 0.3s;
  transition: color 0.2s, background-size 0.3s;
  background: -webkit-gradient(
      linear,
      left top,
      right top,
      from(var(--primary-color))
    )
    no-repeat left bottom;
  background: -o-linear-gradient(left, var(--primary-color)) no-repeat left
    bottom;
  background: linear-gradient(to right, var(--primary-color)) no-repeat left
    bottom;
  background-size: 0% 2px;
  cursor: pointer;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  font-size: 15px;
}

.ten-system-item:hover,
.tonneau-item:hover,
.ten-active,
.tonneau-active {
  background-size: 100% 2px;
  color: var(--primary-color);
}

.ten-system-item .icon,
.tonneau-item .icon {
  width: 51px;
  height: 51px;
  margin-bottom: 10px;
}

.icon-hover-color {
  width: 51px;
  height: 51px;
  border-radius: 50%;
  margin-bottom: 10px;
}

/* ========== 详情信息 ========== */
.detail-info-list,
.tonneau-info-list,
.production-info-list {
  margin-top: 50px;
}

.detail-info-item,
.tonneau-info-item,
.production-info-item {
  display: none;
}

.detail-info-item-active,
.tonneau-info-item-active,
.production-info-item-active {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.detail-info-item .title,
.tonneau-info-item .title,
.production-info-item .title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  line-height: 30px;
  letter-spacing: 2px;
  width: 60%;
}

.detail-info-item .photos,
.tonneau-info-item .photos,
.production-info-item .photos {
  width: 60%;
  margin: 0 20px;
}

.lists {
  margin-top: 20px;
}

.lists ul {
  list-style-type: none;
}

.lists li {
  line-height: 50px;
  padding-left: 30px;
  position: relative;
}

.lists li::before {
  content: '√';
  position: absolute;
  left: 0;
  width: 20px;
  text-align: center;
  color: var(--primary-color);
  font-weight: bold;
  top: 50%;
  font-size: 20px;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}

.tonneau-info-item .lists ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.tonneau-info-item .lists li {
  margin-right: 20px;
}

/* ========== 生产模块 ========== */
.production {
  padding: 40px 0;
  opacity: 0;
}

.production-list {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 20px 1fr 20px 1fr 20px 1fr 20px 1fr;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.production-item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  height: 150px;
  border: 1px solid var(--primary-color);
  -webkit-transition: background 0.3s, color 0.3s;
  -o-transition: background 0.3s, color 0.3s;
  transition: background 0.3s, color 0.3s;
}
.production-item .icon {
  width: 50px;
  height: 50px;
  margin-bottom: 20px;
}
.production-four-list {
  margin-top: 20px;
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 20px 1fr 20px 1fr 20px 1fr;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.production-four-item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  height: 70px;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: 10px;
}
.production-four-item .icon {
  height: 50px;
  width: 50px;
}
.production-four-list .production-four-item .text {
  width: 60%;
  text-align: center;
}
.production-active {
  color: var(--white);
  background-color: var(--primary-color);
}

.production-active .icon {
  -webkit-filter: brightness(0) invert(1);
  filter: brightness(0) invert(1);
}
/* ========== 服务与支持——全程在线 智控每一环 ========== */
.service {
  padding: 40px 0;
  background-color: var(--white);
  opacity: 0;
}
.service-list {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 20px 1fr 20px 1fr;
  grid-template-columns: 1fr 1fr 1fr;
  -ms-grid-rows: 1fr 20px 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
  -webkit-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
}
.service-list > *:nth-child(1) {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
}
.service-list > *:nth-child(2) {
  -ms-grid-row: 1;
  -ms-grid-column: 3;
}
.service-list > *:nth-child(3) {
  -ms-grid-row: 1;
  -ms-grid-column: 5;
}
.service-list > *:nth-child(4) {
  -ms-grid-row: 3;
  -ms-grid-column: 1;
}
.service-list > *:nth-child(5) {
  -ms-grid-row: 3;
  -ms-grid-column: 3;
}
.service-list > *:nth-child(6) {
  -ms-grid-row: 3;
  -ms-grid-column: 5;
}
.service-list .service-item {
  height: var(--grid-height);
  color: var(--white);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  font-size: 24px;
  border-radius: 5px;
  position: relative;
}
.service-list .service-item .icon {
  width: 50px;
  height: 50px;
  margin-right: 20px;
  img {
    width: 100%;
    height: 100%;
  }
}
.show-service-box {
  position: absolute;
  z-index: 2;
  opacity: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.show-service-box ul {
  list-style-type: none;
  font-size: 14px;
  padding: 0 10px;
  margin: 0;
}
.show-service-box ul li {
  line-height: 40px;
  margin: 20px 0;
}
.show-service-box ul li span {
  font-size: 16px;
  font-weight: 900;
}
.service-item:nth-child(1) {
  background: url('../img/products/service-1.jpg') no-repeat center/cover;
}
.service-item:nth-child(2) {
  background: url('../img/products/service-2.jpg') no-repeat center/cover;
}
.service-item:nth-child(3) {
  background: url('../img/products/service-3.jpg') no-repeat center/cover;
}
.service-item:nth-child(4) {
  background: url('../img/products/service-4.jpg') no-repeat center/cover;
}
.service-item:nth-child(5) {
  background: url('../img/products/service-5.jpg') no-repeat center/cover;
}
.service-item:nth-child(6) {
  background: url('../img/products/service-6.png') no-repeat center/cover;
}

/* ========== 悬停效果 ========== */
.system-item:hover,
.production-item:hover {
  background: var(--primary-color);
}

.system-item:hover .text,
.production-item:hover .text {
  color: var(--white);
}

.system-item:hover .icon,
.production-item:hover .icon,
.ten-system-item:hover .icon {
  -webkit-filter: brightness(0) invert(1);
  filter: brightness(0) invert(1);
}

.ten-system-item:hover .icon-hover-color {
  background: var(--primary-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  -webkit-box-shadow: 0 0 10px 3px var(--primary-color);
  box-shadow: 0 0 10px 3px var(--primary-color);
}

.service-list:has(.service-item:nth-child(1):hover) {
  -ms-grid-columns: 1.5fr 1fr 1fr;
  grid-template-columns: 1.5fr 1fr 1fr;
  -ms-grid-rows: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.service-list:has(.service-item:nth-child(1):hover) > *:nth-child(1) {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
}

.service-list:has(.service-item:nth-child(1):hover) > *:nth-child(2) {
  -ms-grid-row: 1;
  -ms-grid-column: 2;
}

.service-list:has(.service-item:nth-child(1):hover) > *:nth-child(3) {
  -ms-grid-row: 1;
  -ms-grid-column: 3;
}

.service-list:has(.service-item:nth-child(1):hover) > *:nth-child(4) {
  -ms-grid-row: 2;
  -ms-grid-column: 1;
}

.service-list:has(.service-item:nth-child(1):hover) > *:nth-child(5) {
  -ms-grid-row: 2;
  -ms-grid-column: 2;
}

.service-list:has(.service-item:nth-child(1):hover) > *:nth-child(6) {
  -ms-grid-row: 2;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(2):hover) {
  -ms-grid-columns: 1fr 1.5fr 1fr;
  grid-template-columns: 1fr 1.5fr 1fr;
  -ms-grid-rows: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.service-list:has(.service-item:nth-child(2):hover) > *:nth-child(1) {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(2):hover) > *:nth-child(2) {
  -ms-grid-row: 1;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(2):hover) > *:nth-child(3) {
  -ms-grid-row: 1;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(2):hover) > *:nth-child(4) {
  -ms-grid-row: 2;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(2):hover) > *:nth-child(5) {
  -ms-grid-row: 2;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(2):hover) > *:nth-child(6) {
  -ms-grid-row: 2;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(3):hover) {
  -ms-grid-columns: 1fr 1fr 1.5fr;
  grid-template-columns: 1fr 1fr 1.5fr;
  -ms-grid-rows: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.service-list:has(.service-item:nth-child(3):hover) > *:nth-child(1) {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(3):hover) > *:nth-child(2) {
  -ms-grid-row: 1;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(3):hover) > *:nth-child(3) {
  -ms-grid-row: 1;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(3):hover) > *:nth-child(4) {
  -ms-grid-row: 2;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(3):hover) > *:nth-child(5) {
  -ms-grid-row: 2;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(3):hover) > *:nth-child(6) {
  -ms-grid-row: 2;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(4):hover) {
  -ms-grid-columns: 1.5fr 1fr 1fr;
  grid-template-columns: 1.5fr 1fr 1fr;
  -ms-grid-rows: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.service-list:has(.service-item:nth-child(4):hover) > *:nth-child(1) {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(4):hover) > *:nth-child(2) {
  -ms-grid-row: 1;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(4):hover) > *:nth-child(3) {
  -ms-grid-row: 1;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(4):hover) > *:nth-child(4) {
  -ms-grid-row: 2;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(4):hover) > *:nth-child(5) {
  -ms-grid-row: 2;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(4):hover) > *:nth-child(6) {
  -ms-grid-row: 2;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(5):hover) {
  -ms-grid-columns: 1fr 1.5fr 1fr;
  grid-template-columns: 1fr 1.5fr 1fr;
  -ms-grid-rows: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.service-list:has(.service-item:nth-child(5):hover) > *:nth-child(1) {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(5):hover) > *:nth-child(2) {
  -ms-grid-row: 1;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(5):hover) > *:nth-child(3) {
  -ms-grid-row: 1;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(5):hover) > *:nth-child(4) {
  -ms-grid-row: 2;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(5):hover) > *:nth-child(5) {
  -ms-grid-row: 2;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(5):hover) > *:nth-child(6) {
  -ms-grid-row: 2;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(6):hover) {
  -ms-grid-columns: 1fr 1fr 1.5fr;
  grid-template-columns: 1fr 1fr 1.5fr;
  -ms-grid-rows: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.service-list:has(.service-item:nth-child(6):hover) > *:nth-child(1) {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(6):hover) > *:nth-child(2) {
  -ms-grid-row: 1;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(6):hover) > *:nth-child(3) {
  -ms-grid-row: 1;
  -ms-grid-column: 3;
}
.service-list:has(.service-item:nth-child(6):hover) > *:nth-child(4) {
  -ms-grid-row: 2;
  -ms-grid-column: 1;
}
.service-list:has(.service-item:nth-child(6):hover) > *:nth-child(5) {
  -ms-grid-row: 2;
  -ms-grid-column: 2;
}
.service-list:has(.service-item:nth-child(6):hover) > *:nth-child(6) {
  -ms-grid-row: 2;
  -ms-grid-column: 3;
}

/* ========== 响应式设计 ========== */
@media (max-width: 900px) {
  .banner-content {
    position: absolute;
    top: 20%;
    -webkit-transform: translateX(1%);
    -ms-transform: translateX(1%);
    transform: translateX(1%);
  }
  .banner-content ul {
    padding: 0 0 0 10px;
  }
  .system-list,
  .production-four-list,
  .production-list {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .ten-system-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 15px;
  }
  .tonneau-list {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .ten-system-item,
  .tonneau-item {
    -webkit-box-flex: 0;
    -ms-flex: 0 0 auto;
    flex: 0 0 auto;
    min-width: 100px;
    height: 100px;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
  }

  .detail-info-item-active,
  .tonneau-info-item-active,
  .production-info-item-active {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
  }

  .detail-info-item .title,
  .detail-info-item .photos,
  .tonneau-info-item .title,
  .tonneau-info-item .photos,
  .production-info-item .title,
  .production-info-item .photos {
    width: 100%;
    margin: auto;
  }

  .tonneau-info-item .lists ul {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  .service-list {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
  .show-service-box ul {
    list-style-type: none;
    font-size: 12px;
    padding: 0 10px;
    margin: 0;
  }
  .show-service-box ul li {
    line-height: 20px;
    margin: 3px 0;
  }
  .show-service-box ul li span {
    font-size: 14px;
    font-weight: 900;
  }
  .service-list:has(.service-item:nth-child(1):hover) {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
  .service-list:has(.service-item:nth-child(2):hover) {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
  .service-list:has(.service-item:nth-child(3):hover) {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
  .service-list:has(.service-item:nth-child(4):hover) {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
  .service-list:has(.service-item:nth-child(5):hover) {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
  .service-list:has(.service-item:nth-child(6):hover) {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
}