.mbx_box a {
  font-size: 12px;
}

.mbx_box a::after {
  content: ">";
  margin: 0 10px;
}

.mbx_box a:last-child::after {
  content: " ";
  margin: 0;
}

.mbx_box {
  padding: 15px 0;
  box-sizing: border-box;
}

.header {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 998;
  background-color: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
}

.nav_xl {
  margin: 10px 0 !important;
  transition: all 1.2s;
}

.navfixed {
  padding: 10px 5% !important;
  transition: all 1.2s;
}

/* logo */
.logo {
  display: flex;
  justify-content: space-between;
  padding: 35px 5%;
  box-sizing: border-box;
  color: #fff;
}

/* .nav_two {
  position: absolute;
  right: 10%;
  top: 10%;
  z-index: 999;
} */

/* 移动端头部样式 */
.app {
  position: absolute;
  top: 50%;
  transform: translate(-90%, -30%);
  width: 10%;
  height: 72px;
  box-sizing: border-box;
}

.app .c1,
.c2,
.c3 {
  width: 34px;
  height: 2px;
  background: #177EE6;
  display: block;
  margin: 10px auto;
  transition: all 277ms ease-in-out;
  position: relative;
}

.app .c2.new {
  opacity: 0;
}

.app .c1.new {
  transform: rotate(-45deg);
  top: 12px;
}

.app .c3.new {
  transform: rotate(45deg);
  top: -12px;
}

.wap-nav {
  position: absolute;
  top: 100%;
  right: 0;
  width: 100%;
}

.wap-nav dl {
  width: 100%;
  background-color: rgba(0, 0, 0, 0.1);
}

.wap-nav dl dd {
  width: 100%;
}

.wap-nav dl dd a {
  display: block;
  padding: 15px 0;
  width: 100%;
  color: #fff;
  text-align: center;
  /* background-color: rgba(255, 255, 255, 0.1); */
  backdrop-filter: blur(5px) !important;
}

.nav_two {
  display: none;
}

.logo .l {
  width: 20%;
}

.logo .l img {
  display: block;
  width: 100%;
}

.logo .r {
  display: flex;
  align-items: center;
}

.nav_phonebox {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 60px 0 0;
}

.nav_phonebox i {
  margin: 0 5px 0 0;
  font-size: 30px;
}

.nav_qcodebox {
  position: relative;
  font-size: 30px;
  cursor: pointer;
}

.head_qcodebox {
  position: absolute;
  left: 50%;
  top: -30%;
  transform: translate(-50%, 50%);
  display: none;
}

.nav_qcodebox:hover .head_qcodebox {
  display: block;
  width: 180px;
  height: 180px;
}

.head_qcodebox img {
  display: block;
}

.logo_box {
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* nav */
.nav ul {
  display: flex;
  justify-content: space-between;
  margin: 40px 0;
}

.nav ul li {
  width: 100%;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.6);
}

.nav ul li:last-child {
  border-right: none;
}

.nav ul li a {
  color: #fff;
}

.nav ul li a:hover {
  color: #177EE6;
  transition: all 0.6s;
}

.nav_act {
  color: #177EE6 !important;
}

/* banner */
.bannerhead {
  position: relative;
}

.bannerhead .banner-img {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  animation: bannermove 20s infinite;
  o-animation: bannermove 20s infinite;
}

@keyframes bannermove {
  0% {
    transform: scale(1);
  }

  25% {
    transform: scale(1.05);
  }

  50% {
    transform: scale(1);
  }

  75% {
    transform: scale(1.05);
  }

  100% {
    transform: scale(1);
  }
}

.bannerhead .swiper-slide {
  position: relative;
  overflow: hidden;
}

.bannertextbox {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  text-align: center;
  color: #000;
  animation: ydtext 2s infinite;
  animation-iteration-count: 1;
  o-animation: ydtext 3s linear infinite;
}

.bannertextbox img {
  display: block;
}

.bannertextbox img:nth-child(1) {
  display: block;
  width: 12%;
}

.bannertextbox img:nth-child(2) {
  display: block;
  width: 15%;
  margin: 60px 0 0 0;
}

@keyframes ydtext {
  0% {
    opacity: 0;
    transform: translate(-50%, 0%);
  }

  100% {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.bannertextbox p {
  margin: 0 0 20px 0;
}

.swiper-button-prev,
.swiper-button-next {
  position: relative;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  border: 1px solid #fff;
  border-radius: 50px;
  background-image: none !important;
  cursor: pointer;
}

.swiper-button-prev i,
.swiper-button-next i {
  font-size: 30px;
  color: #fff;
}

.swiper-button-next {
  margin: 50px 0 0 0;
}

.arrow_box {
  position: absolute;
  left: 80%;
  top: 60%;
  transform: translate(-50%, -50%);
  z-index: 998;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
  background-color: rgba(79, 152, 232, 0.9);
}

/* foot */
.foot_box {
  padding: 80px 0 100px 0;
  background: #335380;
  box-sizing: border-box;
}

.foot_logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 80px 0;
}

.foot_logo img {
  display: block;
  width: 20%;
}

.foot_content {
  display: flex;
  justify-content: space-between;
  color: #fff;
}

.foot_content a {
  color: #fff;
}

.foot_content dl dt {
  margin: 0 0 60px 0;
}

.foot_content dl dt {
  width: 100%;
}

.foot_content dl {
  line-height: 40px;
}

.foot_content .l {
  width: 30%;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.foot_content .l dl {
  display: flex;
  flex-wrap: wrap;
}

.foot_content .l dl dd {
  width: 50%;
}

.foot_content .m {
  width: 40%;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.foot_content .m dl dd:last-child {
  margin: 50px 0 0 0;
}

.foot_content .r {
    width: 15%;
}

.foot_content .r p {
  margin: 0 0 60px 0;
  text-align: center;
}

.foot_content .r img {
  display: block;
  width: 100%;
}

/* 联系组件 */
.conainer {
  position: fixed;
  bottom: 30%;
  right: 0%;
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 5px;
  background: #fff;
  border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;
  /* opacity: 0.5; */
}

.conainer ul li a .fa {
  font-size: 25px !important;
}

.conainer:hover {
  opacity: 1;
  transition: 0.6s;
}

/* .conainer::before {
            content: " ";
            position: absolute;
            bottom: 0px;
            width: 100%;
            height: 50%;
            z-index: 1;
            border-top: 1px solid rgba(255, 255, 255, 0.5);
            背景模糊
            backdrop-filter: blur(5px);
          } */

.conainer .color {
  position: absolute;
  filter: blur(200px);
}

.conainer ul {
  position: relative;
  /* display: flex; */
  z-index: 2;
}

.conainer ul li {
  position: relative;
  list-style: none;
  margin: 10px;
}

.conainer ul li a {
  position: relative;
  width: 40px;
  height: 40px;
  display: inline-block;
  border-radius: 10px;
  text-decoration: none;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #999999;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  /* 盒子阴影 */
  box-shadow: 0px 5px 45px rgba(0, 0, 0, 0.1);
  /* 背景模糊 */
  backdrop-filter: blur(2px);
  overflow: hidden;
}

.conainer ul li a:hover {
  transition: all 0.6s;
  /* 沿y轴向上移动 */
  /* transform: translateX(-20px); */
}

/* 扫光动画 */
.conainer ul li a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 50px;
  height: 100%;
  background-color: #fff;
  /* 元素沿着x轴横切 沿着x轴向右移动150px */
  transform: skewX(45deg) translateX(150px);
  transition: all 0.6s;
}

.conainer ul li a:hover::before {
  transform: skewX(45deg) translateX(-150px);
}

.qcode_box {
  position: absolute;
  left: -160%;
  top: 32%;
  transform: translate(-50%, -50%);
  padding: 15px;
  background-color: #999999;
  display: none;
}

.qcode_box img {
  display: block;
  width: 100%;
}

.qcode_box .fa-times {
  position: absolute;
  right: 0;
  top: -6%;
}

.phone_box {
  position: absolute;
  left: -160%;
  top: 32%;
  transform: translate(-50%, -50%);
  padding: 15px;
  background-color: #999999;
  border-radius: 50px;
  color: #fff;
  display: none;
}

.phone_box .fa-times {
  position: absolute;
  right: 0;
  top: -40%;
  color: #000;
}

.phone_two {
  display: none;
}

.bannertextbox {
  color: #fff;
}

.bannertextbox h4 {
  margin: 50px 0 100px 0;
}

/* skip */
.skip_box li a {
  font-size: 22px;
}

.skip_box li i {
  font-size: 28px;
  cursor: pointer;
}

.skip_box li i:hover {
  color: #004099;
  transition: all 0.6s;
}

.skip_box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 50px auto;
  width: 40%;
}

.skip_box li {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  border-radius: 50px;
}

.skip_box li a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.4);
  border-radius: 50px;
}

.skip_box li a:hover {
  background: #004099;
  color: #fff;
  transition: all 0.6s;
}

/* two_unit */
.two_unit_box {
  margin: 80px 0 100px 0;
}

.two_unit {
  display: flex;
  justify-content: space-between;
}

.two_unit a {
  display: block;
  padding: 50px 0;
  width: 49%;
  text-align: center;
  box-sizing: border-box;
  box-shadow: 0 0 5px 2px rgba(0, 0, 0, 0.2);
  border-bottom: 4px solid rgba(0, 0, 0, 0);
}

.two_unit a:hover {
  color: #177EE6;
  border-bottom: 4px solid #177EE6;
  transition: all 0.6s;
}

.two_unit_act {
  color: #177EE6 !important;
  border-bottom: 4px solid #177EE6 !important;
}

/* four_unit */
.four_unit_box {
  margin: 80px 0 100px 0;
}

.four_unit {
  display: flex;
  justify-content: space-between;
}

.four_unit a {
  display: block;
  padding: 50px 0;
  width: 20%;
  text-align: center;
  box-sizing: border-box;
  box-shadow: 0 0 5px 2px rgba(0, 0, 0, 0.2);
  border-bottom: 4px solid rgba(0, 0, 0, 0);
}

.four_unit a:hover {
  color: #177EE6;
  border-bottom: 4px solid #177EE6;
  transition: all 0.6s;
}

.two_unit_act {
  color: #177EE6 !important;
  border-bottom: 4px solid #177EE6 !important;
}

/* product_display */
.product_box {
  display: flex;
}

.product_box .l {
  padding: 120px 40px 120px 0;
  width: 30%;
  box-sizing: border-box;
  border-right: 1px solid rgba(0, 0, 0, 0.1);
}

.product_box .r {
  padding: 120px 10% 120px 120px;
  width: 70%;
  box-sizing: border-box;
}

.product_box .l ul {
  line-height: 70px;
}

.product_box .l ul li a {
  position: relative;
  display: block;
  padding: 0 0 0 50%;
  box-sizing: border-box;
  width: 100%;
}

.product_box .l ul li a::before {
  content: " ";
  position: absolute;
  left: 0%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: block;
  width: 50%;
  height: 2px;
  background: rgba(0, 0, 0, 0);
}

.product_box .l ul li a:hover {
  color: #177EE6;
  transition: all 0.6s;
}

.product_box .l ul li a:hover::before {
  background: #177EE6;
  transition: all 0.6s;
}

.product_box .l ul li a:hover {
  text-align: center;
  transition: all 0.6s;
}

.product_act {
  color: #177EE6 !important;
  text-align: center !important;
}

.product_act::before {
  background: #177EE6 !important;
}

.product_box .l dl {
  margin: 80px 0 0 0;
}

.product_box .l dl dt {
  padding: 30px 95px 30px 50%;
  box-sizing: border-box;
  color: #fff;
  background-color: #177EE6;
  border-radius: 0 50px 50px 0;
}

.product_box .l dl dd {
  padding: 0 0 0 50%;
  box-sizing: border-box;
  line-height: 70px;
  display: -webkit-box;
 -webkit-box-orient: vertical;
 -webkit-line-clamp: 1;
 overflow: hidden;
}

.product_box .l dl dd a:hover {
  color: #177EE6;
  transition: all 0.6s;
}

.product_box .l dl dd p {
  font-weight: bold;
  color: #177EE6;
}

.product_box {
  background-image: url(../image/product_display/矩形\ 5.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

@media screen and (max-width: 1680px) {

  /* header */
  .logo {
    padding: 30px 5%;
  }

  .nav_phonebox i {
    font-size: 25px;
  }

  .nav_qcodebox {
    font-size: 25px;
  }

  .nav_phonebox span {
    font-size: 16px;
  }

  .nav ul {
    margin: 35px 0;
    font-size: 16px;
  }

  /* footer */
  .foot_box {
    padding: 70px 0 90px 0;
  }

  .foot_logo {
    margin: 0 0 70px 0;
  }

  .foot_content dl dt {
    margin: 0 0 50px 0;
    font-size: 20px;
  }

  .foot_content .r p {
    margin: 0 0 50px 0;
    font-size: 20px;
  }

  .foot_content dl {
    font-size: 16px;
    line-height: 35px;
  }

  .foot_content .m dl dd:last-child {
    margin: 40px 0 0 0;
    font-size: 25px;
  }

  /* product_box */
  .product_box .l {
    padding: 110px 35px 110px 0;
  }

  .product_box .l ul {
    font-size: 20px;
    line-height: 65px;
  }

  .product_box .l dl {
    margin: 70px 0 0 0;
    font-size: 14px;
  }

  .product_box .l dl dt {
    padding: 25px 85px 25px 50%;
    font-size: 24px;
  }

  .product_box .l dl dd {
    line-height: 65px;
  }

  .product_box .l dl dd p {
    font-size: 20px;
  }

  .product_box .r {
    padding: 110px 10% 110px 110px;
  }

  .bannertextbox img:nth-child(2) {
    margin: 50px 0 0 0;
  }

  /* two_unit */
  .two_unit_box {
    margin: 70px 0 90px 0;
  }

  .two_unit a {
    padding: 40px 0;
  }

  .two_unit {
    font-size: 18px;
  }

  /* skip */
  .skip_box {
    margin: 40px auto;
  }

  .skip_box li {
    width: 60px;
    height: 60px;
  }

  .skip_box li a {
    font-size: 20px;
  }

  /* four_unit */
  .four_unit_box {
    margin: 70px 0 90px 0;
  }

  .four_unit a {
    padding: 40px 0;
  }

  .four_unit {
    font-size: 18px;
  }
}

@media screen and (max-width: 1600px) {

  /* header */
  .logo {
    padding: 25px 5%;
  }

  .nav_phonebox i {
    font-size: 20px;
  }

  .nav_qcodebox {
    font-size: 20px;
  }

  .nav_phonebox span {
    font-size: 14px;
  }

  .nav ul {
    margin: 30px 0;
    font-size: 14px;
  }

  /* footer */
  .foot_box {
    padding: 60px 0 80px 0;
  }

  .foot_logo {
    margin: 0 0 60px 0;
  }

  .foot_content dl dt {
    margin: 0 0 40px 0;
    font-size: 18px;
  }

  .foot_content .r p {
    margin: 0 0 40px 0;
    font-size: 18px;
  }

  .foot_content dl {
    font-size: 14px;
    line-height: 30px;
  }

  .foot_content .m dl dd:last-child {
    margin: 30px 0 0 0;
    font-size: 20px;
  }

  /* product_box */
  .product_box .l {
    padding: 100px 30px 100px 0;
  }

  .product_box .l ul {
    font-size: 18px;
    line-height: 60px;
  }

  .product_box .l dl {
    margin: 60px 0 0 0;
  }

  .product_box .l dl dt {
    padding: 20px 75px 20px 50%;
    font-size: 22px;
  }

  .product_box .l dl dd {
    line-height: 60px;
  }

  .product_box .l dl dd p {
    font-size: 18px;
  }

  .product_box .r {
    padding: 100px 10% 100px 100px;
  }

  .bannertextbox img:nth-child(2) {
    margin: 40px 0 0 0;
  }

  /* two_unit */
  .two_unit_box {
    margin: 60px 0 80px 0;
  }

  .two_unit a {
    padding: 30px 0;
  }

  .two_unit {
    font-size: 16px;
  }

  /* skip */
  .skip_box {
    margin: 30px auto;
  }

  .skip_box li {
    width: 50px;
    height: 50px;
  }

  .skip_box li a {
    font-size: 18px;
  }

  /* four_unit */
  .four_unit_box {
    margin: 60px 0 80px 0;
  }

  .four_unit a {
    padding: 30px 0;
  }

  .four_unit {
    font-size: 16px;
  }
}

@media screen and (max-width: 1440px) {

  /* header */
  .logo {
    padding: 20px 5%;
  }

  .nav_phonebox i {
    font-size: 15px;
  }

  .nav_qcodebox {
    font-size: 15px;
  }

  .nav ul {
    margin: 25px 0;
  }

  /* footer */
  .foot_box {
    padding: 50px 0 70px 0;
  }

  .foot_logo {
    margin: 0 0 50px 0;
  }

  .foot_content dl dt {
    margin: 0 0 30px 0;
    font-size: 16px;
  }

  .foot_content .r p {
    margin: 0 0 30px 0;
    font-size: 16px;
  }

  .foot_content dl {
    line-height: 25px;
  }

  .foot_content .m dl dd:last-child {
    margin: 20px 0 0 0;
    font-size: 18px;
  }

  /* product_box */
  .product_box .l {
    padding: 90px 25px 90px 0;
  }

  .product_box .l ul {
    font-size: 16px;
    line-height: 55px;
  }

  .product_box .l dl {
    margin: 50px 0 0 0;
  }

  .product_box .l dl dt {
    padding: 15px 65px 15px 50%;
    font-size: 20px;
  }

  .product_box .l dl dd {
    line-height: 55px;
  }

  .product_box .l dl dd p {
    font-size: 16px;
  }

  .product_box .r {
    padding: 90px 10% 90px 90px;
  }

  .bannertextbox img:nth-child(2) {
    margin: 30px 0 0 0;
  }

  /* two_unit */
  .two_unit_box {
    margin: 50px 0 70px 0;
  }

  .two_unit a {
    padding: 20px 0;
  }

  .two_unit {
    font-size: 14px;
  }

  /* skip */
  .skip_box {
    margin: 20px auto;
  }

  .skip_box li {
    width: 40px;
    height: 40px;
  }

  .skip_box li a {
    font-size: 16px;
  }

  .skip_box {
    width: 35%;
  }

  /* four_unit */
  .four_unit_box {
    margin: 50px 0 70px 0;
  }

  .four_unit a {
    padding: 20px 0;
  }

  .four_unit {
    font-size: 14px;
  }
}

@media screen and (max-width: 1366px) {

  /* header */
  .logo {
    padding: 15px 5%;
  }

  .nav ul {
    margin: 20px 0;
  }

  /* footer */
  .foot_box {
    padding: 40px 0 60px 0;
  }

  .foot_logo {
    margin: 0 0 40px 0;
  }

  .foot_content dl dt {
    margin: 0 0 20px 0;
    font-size: 16px;
  }

  .foot_content .r p {
    margin: 0 0 20px 0;
    font-size: 16px;
  }

  .foot_content dl {
    line-height: 20px;
  }

  .foot_content .m dl dd:last-child {
    margin: 20px 0 0 0;
    font-size: 16px;
  }

  /* product_box */
  .product_box .l {
    padding: 80px 20px 80px 0;
  }

  .product_box .l ul {
    font-size: 14px;
    line-height: 50px;
  }

  .product_box .l dl {
    margin: 40px 0 0 0;
  }

  .product_box .l dl dt {
    padding: 15px 55px 15px 50%;
    font-size: 18px;
  }

  .product_box .l dl dd {
    line-height: 50px;
  }

  .product_box .l dl dd p {
    font-size: 14px;
  }

  .product_box .r {
    padding: 80px 10% 80px 80px;
  }

  .bannertextbox img:nth-child(2) {
    margin: 20px 0 0 0;
  }

  /* two_unit */
  .two_unit_box {
    margin: 40px 0 60px 0;
  }

  .two_unit a {
    padding: 15px 0;
  }

  /* skip */
  .skip_box li {
    width: 30px;
    height: 30px;
  }

  .skip_box li a {
    font-size: 14px;
  }

  .skip_box {
    width: 30%;
  }

  /* four_unit */
  .four_unit_box {
    margin: 40px 0 60px 0;
  }

  .four_unit a {
    padding: 15px 0;
  }
}

@media screen and (max-width: 1280px) {

  /* header */
  .nav ul {
    margin: 15px 0;
  }

  /* footer */
  .foot_box {
    padding: 30px 0 50px 0;
  }

  .foot_logo {
    margin: 0 0 30px 0;
  }

  .foot_content dl dt {
    margin: 0 0 15px 0;
    font-size: 16px;
  }

  .foot_content .r p {
    margin: 0 0 15px 0;
    font-size: 16px;
  }

  .foot_content .m dl dd:last-child {
    margin: 15px 0 0 0;
    font-size: 16px;
  }

  /* product_box */
  .product_box .l {
    padding: 70px 15px 70px 0;
  }

  .product_box .l ul {
    line-height: 45px;
  }

  .product_box .l dl {
    margin: 30px 0 0 0;
  }

  .product_box .l dl dt {
    padding: 15px 45px 15px 50%;
    font-size: 16px;
  }

  .product_box .l dl dd {
    line-height: 45px;
  }

  .product_box .r {
    padding: 70px 10% 70px 70px;
  }

  /* two_unit */
  .two_unit_box {
    margin: 30px 0 50px 0;
  }

  /* four_unit */
  .four_unit_box {
    margin: 30px 0 50px 0;
  }
}

@media screen and (max-width: 1024px) {

  /* footer */
  .foot_box {
    padding: 20px 0 40px 0;
  }

  .foot_logo {
    margin: 0 0 20px 0;
  }

  /* product_box */
  .product_box .l {
    padding: 60px 15px 60px 0;
  }

  .product_box .l ul {
    line-height: 40px;
  }

  .product_box .l dl {
    margin: 20px 0 0 0;
  }

  .product_box .l dl dt {
    padding: 15px 35px 15px 50%;
  }

  .product_box .l dl dd {
    line-height: 40px;
  }

  .product_box .r {
    padding: 60px 10% 60px 60px;
  }

  /* two_unit */
  .two_unit_box {
    margin: 20px 0 40px 0;
  }

  /* four_unit */
  .four_unit_box {
    margin: 20px 0 40px 0;
  }
}

@media screen and (max-width: 980px) {

  /* header */
  .phone_two {
    display: block;
  }

  .phone {
    display: none;
  }

  .logo .r {
    display: none;
  }

  .nav_box {
    display: none;
  }

  .nav_two {
    display: block;
  }

  /* footer */
  .foot_box {
    padding: 15px 0 30px 0;
  }

  .foot_logo {
    margin: 0 0 15px 0;
  }

  .foot_content {
    flex-wrap: wrap;
  }

  .foot_content .l,
  .foot_content .m {
    width: 45%;
  }

  .foot_content .m {
    border: none !important;
  }

  .foot_content .r {
    margin: 15px auto;
  }

  /* product_box */
  .product_box .l {
    padding: 50px 15px 50px 0;
  }

  .product_box .l ul {
    line-height: 35px;
  }

  .product_box .l dl {
    margin: 20px 0 0 0;
  }

  .product_box .l dl dt {
    padding: 15px 25px 15px 25%;
  }

  .product_box .l dl dd {
    line-height: 35px;
  }

  .product_box .r {
    padding: 50px 10% 50px 50px;
  }

  .product_box .l ul li a::before {
    display: none;
  }

  .product_box .l ul li a {
    padding: 0 0 0 25%;
  }

  .product_box .l dl dd {
    padding: 0 0 0 25%;
  }

  .bannertextbox img:nth-child(1) {
    width: 15%;
  }

  .bannertextbox img:nth-child(2) {
    width: 20%;
  }

  /* two_unit */
  .two_unit_box {
    margin: 20px 0 30px 0;
  }

  /* four_unit */
  .four_unit_box {
    margin: 20px 0 30px 0;
  }
}

@media screen and (max-width: 768px) {

  /* header */
  .logo .l {
    width: 30%;
  }

  /* footer */
  .foot_box {
    padding: 15px 0;
  }

  .skip_box {
    width: 35%;
  }
}

@media screen and (max-width: 640px) {

  /* header */
  .logo .l {
    width: 40%;
  }

  .foot_content .l,
  .foot_content .m {
    width: 100%;
    text-align: center;
  }

  .foot_content .l {
    border: none !important;
  }

  .skip_box {
    width: 40%;
  }

  .product_box .l {
    display: none;
  }

  .product_box .r {
    width: 100%;
  }
}

@media screen and (max-width: 375px) {
  .skip_box {
    width: 55%;
  }
}

.por {
  padding: 15px 0;
  text-align: center;
  box-sizing: border-box;
  background: #335380;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.por a {
  color: #fff;
  font-size: 14px;
}