@charset "UTF-8";

*,
:after,
:before {
  box-sizing: inherit;
}

html,
body {
  box-sizing: border-box;
}

body {
  position: relative;
  box-sizing: border-box;
  font-family: var(--b1-font-family);
  font-size: var(--b1-font-size-base);
  color: var(--b1-text-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  outline: none;
}

ul,
li {
  list-style: none;
}

/*--------------------------------------------------------------
 # 工具类
--------------------------------------------------------------*/

/* 浮动 */
.float-left {
  float: left;
}

.float-right {
  float: right;
}

/* 清除浮动 */
.fix {
  zoom: 1;
}

.fix::after {
  content: '';
  display: table;
  clear: both;
}

/* flex */
.flex-row {
  display: flex;
  flex-direction: row;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-main-center {
  justify-content: center;
}

.flex-cross-center {
  align-items: center;
}

.flex-row-cross-center {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.flex-row-all-center {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.flex-col-main-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.flex-col-all-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* ul,li */
.list-unstyled {
  padding-left: 0;
  list-style: none;
}

/* 比例尺 */
.scale-box {
  box-sizing: border-box;
  position: relative;
  width: 100%;
  height: auto;
}

.scale-box.scale_1_1 {
  padding-bottom: 100%;
}

.scale-box.scale_2_1 {
  padding-bottom: 50%;
}

.scale-box.scale_3_1 {
  padding-bottom: 33.33%;
}

.scale-box.scale_4_1 {
  padding-bottom: 25%;
}

.scale-box.scale_4_3 {
  padding-bottom: 75%;
}

.scale-box.scale_5_4 {
  padding-bottom: 80%;
}

.scale-box.scale_16_9 {
  padding-bottom: 56.25%;
}

.scale-box > .scale-content {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  overflow: hidden;
}

/* b1-btn */
.b1-btn {}

/* 字体颜色 */
.b1-text-primary {
  color: var(--b1-primary);
}

.b1-text-extra {
  color: var(--b1-extra);
}

.b1-text-gray {
  color: var(--b1-gray);
}

.b1-text-main {
  color: var(--b1-text-color);
}

.b1-text-secondary {
  color: var(--b1-text-color-secondary);
}

.b1-text-info {
  color: var(--b1-text-color-ligh);
}

/* 字体粗细 */
.b1-font-blod {
  font-weight: bold;
}

/* 元素隐藏 */
.b1-hidden {
  display: none !important;
}

/* 字体对齐 */
.b1-text-left {
  text-align: left !important;
}

.b1-text-center {
  text-align: center !important;
}

.b1-text-right {
  text-align: right !important;
}

/* 文本溢出隐藏 */
.b1-line-text-overflow {
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  white-space: normal;
  word-break: break-all;
}

/*--------------------------------------------------------------
 # 组件类
--------------------------------------------------------------*/

/* .b1-customer .section-title */
.section-title {
  margin-bottom: 50px;
  text-align: center;
}

.section-title h2 {
  margin: 0;
  color: var(--b1-black);
  font-size: 50px;
  line-height: 60px;
  font-weight: 800;
}

.section-title .section-title-desc {
  display: inline-flex;
  font-size: 18px;
  font-weight: 500;
  line-height: 30px;
  color: var(--b1-gray);
}

.section-title .section-title-desc::before {
  content: '';
  background-color: var(--b1-primary);
  width: 10px;
  height: 2px;
  margin-top: 14px;
  margin-right: 10px;
}

.section-title .section-title-desc.extra::before {
  background-color: var(--b1-extra);
}

.section-title h2 + .section-title-desc {
  margin-top: 8px;
}

.section-title .section-title-desc + h2 {
  margin: 8px 0 0 0;
}

.section-title.light h2,
.section-title.light .section-title-desc {
  color: var(--b1-white);
  text-shadow: 0 0 3px rgba(var(--b1-white-rgb), 0.8);
}

/*--------------------------------------------------------------
 # .preloader
--------------------------------------------------------------*/
.preloader {
  position: fixed;
  background-color: #fff;
  background-position: center center;
  background-repeat: no-repeat;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9991;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  align-items: center;
  text-align: center;
}

.preloader .preloader__image {
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-name: flipInY;
  animation-name: flipInY;
  -webkit-animation-duration: 2s;
  animation-duration: 2s;
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
}

/*--------------------------------------------------------------
 # b1-header
--------------------------------------------------------------*/

/* b1-header */
.b1-header {
  position: relative;
  z-index: 9;
  background-color: var(--b1-white);
}

/* sticky-header */
.b1-sticky-header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 7;
  visibility: hidden;
  background-color: var(--b1-white);
  transform: translateY(-120%);
  transition: transform 500ms ease, visibility 500ms ease;
}

.b1-sticky-header.header-sticked {
  transform: translateY(0);
  visibility: visible;
}

/* b1-header > b1-header-top */
.b1-header-top {
  height: 38px;
  padding: 0 80px;
  background-color: #1b1825;
}

.b1-header-top > div {
  width: auto;
  height: 100%;
}

.b1-header-top .b1-header-top__info {
  height: 100%;
}

.b1-header-top .b1-header-top__info .info-item {
  height: 100%;
  font-size: var(--b1-font-size-sm);
  color: var(--b1-text-color-light);
  transition: color 500ms ease;
}

.b1-header-top .b1-header-top__info .info-item:not(a) {
  color: var(--b1-text-color-light) !important;
}

.b1-header-top .b1-header-top__info .info-item:hover {
  color: var(--b1-white);
}

.b1-header-top .b1-header-top__info .info-item > i {
  font-size: 14px;
  color: var(--b1-white);
}

.b1-header-top .b1-header-top__info .info-item > .text {
  margin-left: 4px;
  font-size: 12px;
}

.b1-header-top .b1-header-top__info .info-item .extra {
  color: var(--b1-extra) !important;
}

.b1-header-top .b1-header-top__info .info-item + .info-item {
  margin-left: 32px;
}

/* b1-header > b1-menu */
.b1-menu {
  height: 100px;
  padding: 0 80px;
  background-color: #fff;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

/* b1-header > b1-menu > b1-menu__logo */
.b1-menu .b1-menu__logo {
  width: auto;
  height: 100%;
}

.b1-menu .b1-menu__logo img {
  display: block;
  width: auto;
}

.b1-menu .b1-menu__logo img.logo {
  height: 60px;
  margin-right: 12px;
}

.b1-menu .b1-menu__logo img.logo-text {
  height: 32px;
  margin-top: 8px;
}

/* b1-header > b1-menu > b1-menu__nav */
.b1-menu ul.b1-menu__nav {
  flex: 1;
  height: 100%;
  margin: 0 60px;
  padding-left: 20px;
}

.b1-menu ul.b1-menu__nav li {
  height: 100%;
}

.b1-menu ul.b1-menu__nav li + li {
  margin-left: 48px;
}

.b1-menu ul.b1-menu__nav li > a {
  display: block;
  position: relative;
  font-size: 16px;
  font-weight: 500;
  line-height: 100px;
  color: var(--b1-gray);
  transition: all 500ms ease;
}

.b1-menu ul.b1-menu__nav li > a::before {
  content: '';
  display: block;
  position: absolute;
  width: 10px;
  height: 2px;
  top: 50%;
  left: -20px;
  background-color: var(--b1-extra);
  transform: scale(0) translateY(-50%);
  transition: transform 500ms ease;
}

.b1-menu ul.b1-menu__nav li:hover > a,
.b1-menu ul.b1-menu__nav li.current > a {
  color: var(--b1-black);
  text-shadow: 0 0 1px currentColor;
}

.b1-menu ul.b1-menu__nav li:hover > a::before,
.b1-menu ul.b1-menu__nav li.current > a::before {
  transform: scale(1) translateY(-50%);
}

.b1-menu ul.b1-menu__nav li .sub-menu {
  position: absolute;
  width: 100%;
  height: auto;
  min-height: 100px;
  left: 0;
  bottom: 0;
  z-index: -1;
  background-color: #fff;
  transition: transform 300ms ease;
}

.b1-menu ul.b1-menu__nav li:hover .sub-menu {
  transform: translateY(100%);
}

/* b1-header > b1-menu > b1-menu__call */
.b1-menu .b1-menu__call {
  height: 100%;
}

.b1-menu .b1-menu__call .b1-menu__call-icon {
  width: 36px;
  height: 32px;
}

.b1-menu .b1-menu__right .b1-menu__call .b1-menu__call-icon img {
  display: block;
  width: 100%;
  height: 100%;
}

.b1-menu .b1-menu__call .b1-menu__call-number {
  margin-left: 8px;
}

.b1-menu .b1-menu__call .b1-menu__call-number p {
  margin: 0;
  font-size: 12px;
  line-height: 14px;
  color: var(--b1-gray);
}

.b1-menu .b1-menu__call .b1-menu__call-number a {
  display: block;
  margin-top: 6px;
  font-size: 16px;
  line-height: 18px;
  color: var(--b1-black);
  transition: all 500ms ease;
}

.b1-menu .b1-menu__call .b1-menu__call-number a:hover {
  color: var(--b1-extra);
}

/* b1-header > b1-menu > b1-menu__toggle */
.b1-menu .b1-menu__toggle {
  position: relative;
  display: none;
  width: 40px;
  height: 40px;
  margin-left: auto;
  font-size: 24px;
  line-height: 1;
  color: var(--b1-text-color);
  border-radius: 50%;
  overflow: hidden;
  transform: rotate(0);
  transition: all 300ms ease-in-out;
}

.b1-menu .b1-menu__toggle::before {
  content: '';
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  background-color: rgba(var(--b1-primary-rgb), 0.1);
  border-radius: 50%;
  transform: scale(0);
  transition: all 300ms ease-in-out;
  transition-delay: 100ms;
}

.b1-menu .b1-menu__toggle:hover,
.b1-menu .b1-menu__toggle:active {
  color: var(--b1-primary);
  transform: rotate(180deg);
}

.b1-menu .b1-menu__toggle:hover::before,
.b1-menu .b1-menu__toggle:active::before {
  transform: scale(1);
}

@media (max-width: 991.98px) {
  .b1-header-top {
    display: none;
  }

  .b1-menu ul.b1-menu__nav {
    display: none;
  }

  .b1-menu .b1-menu__toggle {
    display: flex;
  }
}

@media (max-width: 1199.98px) {
  .b1-header-top,
  .b1-menu {
    padding: 0 32px;
  }

  .b1-menu .b1-menu__call {
    display: none;
  }

  .b1-menu ul.b1-menu__nav {
    margin: 0;
    justify-content: flex-end;
  }
}

/*--------------------------------------------------------------
 # b1-main
--------------------------------------------------------------*/
.b1-main {
  position: relative;
}

/*--------------------------------------------------------------
 # b1-footer
--------------------------------------------------------------*/
.b1-footer {
  background-color: #1b1825;
}

/* .footer-content */
.b1-footer .footer-content {
  position: relative;
  padding-top: 116px;
  padding-bottom: 89px;
  z-index: 1;
  overflow: hidden;
}

.b1-footer .footer-content .site-footer-map {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 520px;
  opacity: 0.05;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  z-index: -1;
}

/* .footer-widget */
.b1-footer .footer-widget {
  margin-bottom: 32px;
}

.b1-footer .footer-widget .footer-widget__title {
  margin-top: 8px;
  margin-bottom: 30px;
  font-size: 20px;
  line-height: 30px;
  font-weight: 800;
  color: var(--b1-white);
}

/* .footer-widget__about */
.b1-footer .footer-widget__about .footer-widget__about-logo img {
  display: block;
  width: auto;
}

.b1-footer .footer-widget__about .footer-widget__about-logo .logo {
  height: 48px;
  margin-right: 12px;
}

.b1-footer .footer-widget__about .footer-widget__about-logo .logo-text {
  height: 32px;
  margin-top: 8px;
}

.b1-footer .footer-widget__about .footer-widget__about-text {
  margin: 0;
  padding: 30px 12px 30px 0;
  font-size: 16px;
  line-height: 30px;
  color: var(--b1-text-color-light);
}

.b1-footer .footer-widget__about .footer-widget__about-text .extra {
  color: var(--b1-extra);
}

/* .footer-widget__links */
.b1-footer .footer-widget__links .link-item {
  position: relative;
  display: inline-block;
  font-size: 16px;
  line-height: 32px;
  font-weight: 500;
  color: var(--b1-text-color-light);
  transition: all 500ms ease;
}

.b1-footer .footer-widget__links .link-item::after {
  content: '';
  position: absolute;
  top: 90%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: scale(0, 1);
  transform-origin: left center;
  background-color: currentColor;
  transition: transform 500ms ease;
}

.b1-footer .footer-widget__links .link-item:hover {
  color: var(--b1-white);
}

.b1-footer .footer-widget__links .link-item:hover::after {
  transform: scale(1, 1);
  transform-origin: right center;
}

/* .footer-widget__partner */
.b1-footer .footer-widget__partner .partner-item {
  display: block;
  position: relative;
  width: 128px;
  height: 40px;
  float: left;
  margin-right: 12px;
  margin-bottom: 12px;
}

.b1-footer .footer-widget__partner .partner-item img {
  display: block;
  opacity: 0.8;
  width: 100%;
  height: 100%;
  border-radius: 4px;
  transition: all 300ms ease;
}

.b1-footer .footer-widget__partner .partner-item:hover img {
  opacity: 1;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

/* .footer-widget__contact */
.b1-footer .footer-widget__contact .footer-widget__contact-address {
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 30px;
  color: var(--b1-text-color-light);
}

.b1-footer .footer-widget__contact .footer-widget__contact-item {
  height: 30px;
}

.b1-footer .footer-widget__contact .footer-widget__contact-item i {
  margin-right: 10px;
  font-size: 16px;
  color: var(--b1-extra);
}

.b1-footer .footer-widget__contact .footer-widget__contact-item span {
  font-size: 16px;
  font-weight: 500;
  line-height: 30px;
  color: var(--b1-white);
  transition: all 500ms ease;
}

.b1-footer .footer-widget__contact .footer-widget__contact-item:hover span {
  color: var(--b1-extra);
}

/* .footer-copy */
.b1-footer .footer-copy {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  border-radius: 8px 8px 0 0;
  background-color: #100d16;
}

.b1-footer .footer-copy .footer-copy__inner {
  padding-top: 35px;
  padding-bottom: 35px;
}

.b1-footer .footer-copy .footer-copy__inner p,
.b1-footer .footer-copy .footer-copy__inner p a {
  font-size: 16px;
  font-weight: 500;
  color: var(--b1-text-color-light);
}

.b1-footer .footer-copy .footer-copy__inner p {
  text-align: center;
}

.b1-footer .footer-copy .footer-copy__inner p a {
  display: inline-block;
  margin-left: 28px;
  transition: color 500ms ease;
}

.b1-footer .footer-copy .footer-copy__inner p a:hover {
  color: var(--b1-extra);
}

/*--------------------------------------------------------------
 # b1-side-menu
--------------------------------------------------------------*/
.b1-side-menu .b1-side-menu-wrap,
.b1-side-menu .b1-side-menu-overlay {
  position: fixed;
  height: 100%;
  top: 0;
  left: 0;
}

/* .b1-side-menu-wrap */
.b1-side-menu .b1-side-menu-wrap {
  width: 300px;
  z-index: 999;
  overflow-x: hidden;
  overflow-y: auto;
  background-color: var(--b1-black);
  transform: translateX(-100%);
  transition: transform 300ms ease;
}

.b1-side-menu .b1-side-menu-wrap.open {
  transform: translateX(0);
}

/* .b1-side-menu-wrap .b1-side-menu-logo */
.b1-side-menu-wrap .b1-side-menu-logo {
  height: 100px;
  padding-left: 32px;
}

.b1-side-menu-wrap .b1-side-menu-logo img {
  display: block;
  width: auto;
}

.b1-side-menu-wrap .b1-side-menu-logo img.logo {
  height: 60px;
  margin-right: 12px;
}

.b1-side-menu-wrap .b1-side-menu-logo img.logo-text {
  height: 32px;
  margin-top: 8px;
}

/* .b1-side-menu-wrap .b1-side-menu-nav */
.b1-side-menu-wrap .b1-side-menu-nav {
  padding: 0 32px;
}

.b1-side-menu-wrap .b1-side-menu-nav ul {
  padding-left: 32px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.b1-side-menu-wrap .b1-side-menu-nav ul.menu-list {
  padding: 0;
  margin: 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.b1-side-menu-wrap .b1-side-menu-nav ul li:not(:last-child) {
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.b1-side-menu-wrap .b1-side-menu-nav ul li a {
  display: flex;
  flex-direction: row;
  align-items: center;
  position: relative;
  height: 46px;
  color: var(--b1-white);
  font-size: 14px;
  transition: all 300ms ease;
}

.b1-side-menu-wrap .b1-side-menu-nav ul li a i {
  display: inline-block;
  margin-right: 8px;
  font-size: 18px;
  transition: transform 300ms ease;
}

.b1-side-menu-wrap .b1-side-menu-nav ul li a.current,
.b1-side-menu-wrap .b1-side-menu-nav ul li a:hover {
  color: var(--b1-extra);
}

.b1-side-menu-wrap .b1-side-menu-nav ul li a:hover i {
  transform: rotate(45deg) scale(1.3);
}

/* .b1-side-menu-wrap .b1-side-menu-contact */
.b1-side-menu-wrap .b1-side-menu-contact {
  margin-top: 32px;
  padding-left: 32px;
}

.b1-side-menu-wrap .b1-side-menu-contact .contact-item {
  color: var(--b1-white);
  transition: 500ms;
}

.b1-side-menu-wrap .b1-side-menu-contact .contact-item:hover {
  color: var(--b1-primary);
}

.b1-side-menu-wrap .b1-side-menu-contact .contact-item + .contact-item {
  margin-top: 15px;
}

.b1-side-menu-wrap .b1-side-menu-contact .contact-item i {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 30px;
  height: 30px;
  margin-right: 10px;
  border-radius: 50%;
  background-color: var(--b1-primary);
  text-align: center;
  font-size: 16px;
  color: #fff;
}

/* .b1-side-menu-overlay */
.b1-side-menu .b1-side-menu-overlay {
  width: 100%;
  z-index: 998;
  background-color: rgba(0, 0, 0, 0.5);
  cursor: pointer;
  display: none;
}