body, html {
  color: #000;
  --color-active: #C61E20;
  --color-bg: #efefef;
}

::-webkit-scrollbar {
  display: none; /* Chrome Safari */
}

a, button {
  cursor: pointer;
}



.pt100 {
  padding-top: 80px;
}

.nav-wrap {
  width: 100%;
  height: 80px;
  position: fixed;
  z-index: 999;
  background-color: #fff;
}

.nav-width {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 1280px;
  margin: 0 auto;
}

.company-info {
  display: flex;
  align-items: center;
}

.company-info .logo {
  width: 130px;
  height: 57px;
  margin-right: 28px;
}

.company-phone {
  font-size: 20px;
  font-weight: bold;
  color: #C21E26;
}

.nav-list {
  display: flex;
  height: 80px;
  font-size: 17px;
}

.nav-item {
  /* min-width: 110px; */
  text-align: center;
  cursor: pointer;
  position: relative;
  height: 80px;
  /* padding: 0 6px; */
}
.nav-item + .nav-item {
  margin-left: 24px;
}

.nav-item.nav-active {
  /* background-color: #C61D21; */
}
.nav-item.nav-active .nav-word {
  /* color: #fff; */
  color: #C61D21;

}

/* .nav-item.nav-active .nav-word {
} */

.nav-item:hover {
  /* background-color: #C61D21; */
}

.nav-item:hover .nav-word {
  color: #C61D21;
}

.nav-item:hover .second-list {
  opacity: 1;
  max-height: 400px;
  transition: opacity 1s;
}

.nav-item .nav-word {
  line-height: 80px;
  display: inline-block;
  width: 100%;
}

.second-list {
  max-height: 0;
  padding-top: 20px;
  top: 68px;
  opacity: 0;
  position: absolute;
  left: 50%;
  margin-left: -50px;
  width: 100px;
  text-align: center;
  font-size: 0;
  overflow: hidden;
}

.second-list:before {
  content: '';
  display: inline-block;
  position: absolute;
  width: 0;
  height: 0;
  border: 8px solid transparent;
  border-bottom-color: rgba(255, 255, 255, .7);
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
}

.second-item {
  display: block;
  line-height: 50px;
  font-size: 15px;
  color: #000;
  background-color: rgba(255, 255, 255, .7);
}

.second-item:hover {
  background-color: #353535;
  color: #fff;
}


.text-indent-2 {
  text-indent: 2em;
}

.margin-top-12 {
  margin-top: 12px;
}




.module-title {
  font-size: 34px;
  font-weight: bold;
  color: #C61E20;
  text-align: center;
  position: relative;
  height: 57px;
  letter-spacing: 2px;
}

.module-title::before {
  content: '';
  display: inline-block;
  width: 23px;
  height: 4px;
  background: #F9C556;
  bottom: 0;
  left: 50%;
  margin-left: -30px;
  position: absolute;
  clip-path: polygon(0 0, 100% 0, 80% 100%, 0 100%);
}

.module-title::after {
  content: '';
  display: inline-block;
  width: 38px;
  height: 4px;
  background: #C61E20;
  bottom: 0;
  left: 50%;
  margin-left: -7px;
  position: absolute;
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
}

.line-title {
  font-size: 24px;
  font-weight: bold;
  color: #C61E20;
  line-height: 41px;
  width: 195px;
  border-bottom: 3px solid currentColor;
  position: relative;
}
.line-title::after {
  content: '';
  width: 308px;
  height: 2px;
  position: absolute;
  left: 0;
  bottom: -5px;
  display: block;
  background-color: #CACACA;
}


.triangle {
  width: 37px;
  height: 52px;
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  background-color: currentColor;
  clip-path: polygon(0 0, 100% 0, 50% 50%);
}



.footer-wrap {
  height: 480px;
  background: #333333;
  color: #FFFFFF;
  padding: 62px 0 84px;
}

.footer-width {
  width: 1280px;
  margin: 0 auto;
}

.footer-title {
  font-size: 38px;
  text-align: center;
  letter-spacing: 2px;
}

.footer-info {
  margin-top: 40px;
  font-size: 14px;
  line-height: 25px;
  text-indent: 30px;
  text-align: justify;
}

.footer-list {
  display: flex;
  justify-content: space-between;
  font-size: 18px;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 28px;
  margin-top: 28px;
  padding-bottom: 50px;
  border-bottom: 1px solid #fff;
}

.footer-item {
  display: flex;
  align-items: center;
}

.footer-item-img {
  width: 66px;
  height: 66px;
  margin-right: 16px;
}

.copyright {
  font-size: 14px;
  color: #FFFFFF;
  text-align: center;
  margin-top: 28px;
}

.main-wrap {
  font-size: 0;
}
.main-wrap > div {
  min-width: 1280px;
  margin: 0 auto;
}

/* 缩放动画 */
.qr-img-box {
  overflow: hidden;
}
.qr-scale {
  transition: all .8s linear;
  cursor: pointer;
  transform-origin: center;
  cursor: pointer;
  z-index: 10;
}
.qr-scale:hover {
  transform: scale(1.1);
}

.qr-width {
  min-width: 1280px;
}
.qr-bg-img {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.banner {
  height: 500px;
  width: 100%;
  min-width: 1280px;
  object-fit: cover;
}
.qr-bottom-red {
  position: absolute;
  width: 100%;
  height: 216px;
  min-width: 1280px;
  bottom: -36px;
  background-image: url('../imgs/bottom-red.png');
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
/* 常用颜色 */
.qr-gray {
  color: #f5f5f5;
}


/* 案例 */
.qr-case-head {
  background-image: url('../imgs/case-head.png');
  height: 165px;
}
.qr-case-title {
  background-image: url('../imgs/case-title.png');
  height: 180px;
  width: 1288px;
  margin: 0 auto;
  font-size: 36px;
  font-weight: bold;
  color: #2B2B2B;
  line-height: 51px;
  padding-left: 134px;
  padding-bottom: 58px;
  display: flex;
  align-items: flex-end;
}
.qr-case-foot {
  height: 464px;
  background-image: url('../imgs/case-foot.png');
}
.main-wrap .qr-case-wrap {
  width: 1034px;
  margin: 112px auto 0 !important;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  min-width: 1034px;
}
.main-wrap .w1280 {
  width: 1280px;
  margin: 0 auto;
}
.qr-case-wrap .qr-img-box {
  margin: 64px auto 0;
}