:root {
  --color: #eb6100;

  --sub-color: #2e353f;

  --body-bg: #ffffff;

  --footer-bg: #787878;

  --text-color: #333;

  --ccc: #ccc;

  --eee: #eee;

  --white: #fff;
}

body {
  font-size: 14px;

  line-height: 1.8;

  color: var(--text-color);

  background-color: var(--body-bg);

  font-family: "微软雅黑", arial, helvetica, sans-serif;

  overflow-x: hidden;
}

body,
html {
  height: 100%;

  position: relative;
}

a {
  color: var(--text-color);
}

button,
span,
input,
div,
div:focus,
button:focus,
span:focus,
input:focus {
  outline: 0 !important;
}

a:hover,
a:focus {
  color: var(--color);

  text-decoration: none;
}

body,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
input,
p,
blockquote,
th,
td {
  font-weight: 400;

  margin: 0;

  padding: 0;
}

h1,
h2,
h3,
h4,
h4,
h5 {
  margin: 0;

  padding: 0;
}

table {
  border-collapse: collapse;
}
table td {
  padding: 0 8px;
}
ol,
ul,
li {
  list-style-image: none;

  list-style-position: outside;

  list-style-type: none;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.ttu {
  text-transform: uppercase;
}

.my-6 {
  margin-top: 4rem;

  margin-bottom: 4rem;
}

/* logo */

.logo {
  margin-right: 20px;
}

.logo a {
  display: flex;

  justify-content: space-between;

  align-items: center;
}

.logo .logo_txt {
  margin-left: 20px;
}

.logo_txt h2 {
  font-size: 30px;

  font-weight: bold;

  letter-spacing: 4px;

  margin-top: 25px;
}

.logo_txt p {
  font-size: 16px;

  text-transform: uppercase;
}

/* top */

.logo_text b {
  font-size: 32px;
}

.logo_text span {
  font-size: 18px;

  text-transform: uppercase;

  color: #666;

  letter-spacing: 2px;
}

.w-80 {
  position: relative;

  width: 80%;

  margin-left: auto;

  margin-right: auto;
}

.menu > li {
  position: relative;

  flex: auto;
  text-align: center;
}

.menu > li > a {
  color: white;

  font-size: 16px;

  padding: 10px 0;

  display: inline-block;

  text-transform: uppercase;
}

.tell span {
  color: var(--color);
}

.tell p {
  font-size: 24px;

  line-height: 1;
}

.menu_drop {
  position: absolute;

  left: 0;

  min-width: 100%;

  white-space: nowrap;

  background-color: var(--body-bg);

  display: none;

  padding: 4px 0;

  border-radius: 4px;

  z-index: 99;

  border: 1px solid var(--ccc);
}

.menu_drop li a {
  color: var(--text-color);

  display: block;

  text-align: center;

  line-height: 2;

  transition: all 0.5s;
}

.menu_drop li:hover a {
  background-color: var(--color);

  color: var(--body-bg);
}

.swiper-pagination span {
  width: 12px;

  height: 12px;
}

.index-banner {
  position: relative;

  overflow: hidden;
}

.index-banner .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: var(--color);
}

.swiper-button-white::after {
  font-size: 22px;

  color: #fff;
}

/* banner */

.index-banner .swiper-button-next.swiper-button-white,
.index-banner .swiper-button-prev.swiper-button-white {
  background-color: rgba(0, 0, 0, 0.2);
}

.index-banner .swiper-button-prev,
.index-banner .swiper-button-next {
  background-size: 60%;
}

/* 右边 */

.side_kefu {
  display: none;

  position: fixed;

  right: 0;

  top: 50%;

  transform: translateY(-50%);

  z-index: 99999;
}

.side_kefu li {
  position: relative;

  margin-bottom: 5px;
}

.side_kefu li i {
  font-size: 20px;
}

.side_kefu li.toTop {
  cursor: pointer;
}

.side_kefu li.toTop i {
  font-size: 24px;
}

.side_kefu li .side_kefu_con {
  position: absolute;

  background-color: var(--body-bg);

  border: 1px solid var(--ccc);

  border-radius: 5px;

  right: 0;

  top: 0;

  padding: 5px 10px;

  transition: all 0.5s;

  transform: translateX(100%);

  z-index: -1;
}

.side_kefu li:hover .side_kefu_con {
  transform: translateX(-50px);
}

.side_kefu_con:after {
  content: "";

  display: inline-block;

  width: 10px;

  height: 10px;

  border: 1px solid var(--ccc);

  border-color: transparent var(--ccc) var(--ccc) transparent;

  -webkit-transform: rotate(-45deg);

  transform: rotate(-45deg);

  position: absolute;

  right: -6px;

  top: 10px;

  background-color: var(--body-bg);
}

.side_kefu li span {
  display: flex;

  justify-content: center;

  align-items: center;

  width: 40px;

  height: 40px;

  background-color: var(--color);

  color: var(--body-bg);
}

@media (min-width: 1200px) {
  .container {
    width: 1200px;
  }
}

@media (max-width: 1200px) {
  .my-6 {
    margin-top: 1.5rem;

    margin-bottom: 1.5rem;
  }
}

.container {
  max-width: 1200px;
}

.tell {
  font-size: 22px;

  display: flex;

  align-items: center;
}

.tell span {
  color: var(--color);

  margin-left: 1vw;
}

.menu_bg {
  background-color: #242424;

  position: relative;

  z-index: 999;
}

/* service */

.service_bg {
  background: url(../images/ser_bg.png) no-repeat center top;

  padding: 6vw 0;

  padding-bottom: 20vw;
  padding-top: 10vw;
}

.service_bg li {
  color: var(--sub-color);
}

.service_bg li .num {
  display: flex;

  align-items: flex-start;

  justify-content: center;
}

.service_bg li .num span {
  font-size: 70px;

  font-family: impact;
  color: #001841;
  line-height: 1;
}
.menu {
  flex: 1;
  margin-right: 2vw;
}

.service_bg li .num em {
  font-style: normal;

  font-size: 28px;

  font-weight: bold;
}

.service_bg li .text h2 {
  font-size: 28px;
}

.service_bg li .text p {
  font-size: 18px;
}

/* title */

.title {
  margin-top: 3vw;

  margin-bottom: 2vw;
}

.title .text {
  background: url(../images/title.png) no-repeat center;

  padding-top: 40px;
}

.title .text span {
  font-size: 16px;

  text-transform: uppercase;

  color: #a6a6a6;
}

.title a {
  font-size: 18px;
}

.pro_homeList p {
  background-color: var(--sub-color);

  text-align: center;

  color: #fff;

  line-height: 40px;
}

.pro_homeList > div {
  margin-bottom: 2vw;
}

/* ZHUANLI */

.zhuanli_bg {
  background: url(../images/service.jpg) no-repeat center;

  padding: 6vw 0;
}

.zhuanli_bg p {
  margin-top: 20px;

  background-color: var(--color);

  color: #fff;

  text-align: center;

  line-height: 40px;
}

.zhuanli_bg .more {
  margin-top: 3vw;
}

.zhuanli_bg .more a {
  color: #fff;
}

/* abouts */

.abouts_bg {
  margin-top: 4vw;

  margin-bottom: 4vw;

  background: #f0f0f0;

  padding: 3vw 0;

  padding-bottom: 0;
}

.abouts_text p {
  text-indent: 2em;

  font-size: 16px;

  line-height: 2;
}

.abouts_text .more {
  display: block;

  margin-top: 20px;
}

/* news */

.news_home_list a {
  font-size: 16px;

  display: block;

  margin: 15px 0;

  font-weight: bold;

  color: var(--sub-color);
}

.news_home_list p {
  color: var(--sub-color);

  margin-bottom: 20px;
}

/* footer */

footer {
  background-color: #313131;

  color: #fff;

  padding: 3vw 0;
}

footer a {
  color: #fff;
}

.ewm {
  width: 80%;
}

.foot_menu {
  display: flex;

  justify-content: space-between;
}

.foot_menu li.ewm_f {
  flex: 0 0 140px;

  width: 140px;
}

.foot_menu span {
  display: flex;

  flex-direction: column;
}

.foot_menu li h3 {
  font-size: 16px;

  margin-bottom: 5px;
}

.foot_bottom {
  border-top: 3px solid #fff;

  padding: 1vw 0;

  margin-top: 3vw;
}

.mb-6 {
  margin-bottom: 4vw;
}

.search {
  position: relative;
}

.search > img {
  cursor: pointer;
}

.search_text {
  position: absolute;

  right: 0;

  top: 135%;

  z-index: 99;

  display: none;
}

.search_text form {
  display: flex;

  justify-content: center;

  align-items: center;
}

.search_text form button {
  background: var(--color);

  color: #fff;

  border: none;

  width: 50px;

  text-align: center;

  line-height: 40px;

  height: 40px;
}

.search_text form input {
  line-height: 40px;

  padding-left: 20px;

  border: none;
}