:root{
    --color-primary:rgb(114, 120, 99);/* 鼠标指上去换色 */
    --color-white:rgb(252, 252, 252);/* 字体颜色 */
    --color-black:rgb(0, 0, 0);/* 背景颜色 */
    --color-black-l:rgb(255, 0, 153);
}
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'open-sans','sans-serif';
}

li{
    list-style: none;
    white-space: nowrap;
    
}
a{
    text-decoration: none;
    color: #fff;
    font-size: 1rem;
    
}

a:hover{
    color:blue;
}
header{
    position: relative;
    padding: 0 2rem;
    background-color: var(--color-black);
    border: 1px solid rgb(100, 146, 215);
} 


.navbar{
    width: 100%;
    height: 60px;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar .logo img{/* 艾登堡logo */
    width: 200px;
    height: 150px;
}
.navbar .logo a{
    font-size: 1.5rem;
    font-weight: bold;
}

.navbar .links{
    display: flex;
    gap: 2rem;
  
}

.navbar .toggle_btn{
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
}
 .action-btn{
    background-color: blueviolet;
    color: #fff;
    padding: 0.5rem 1rem;
    border: none;
    outline: none;
    font-size: 0.8rem;
    font-weight: bold;
    cursor: pointer;
} 
.action-btn:hover{
    scale: 1.0s;
    color:#fff;
}

.action-btn:active{
    scale: 0.9s;
}


 .dropdown_menu{
    display: none;
    height: 0;
    width: 100%;  /* 缩小栏大小  */
    background: #000000;
    backdrop-filter: blur(15px);
    overflow: hidden;
    transition: height 0.2s cubic-bezier(0.175, 0.885, 0.32,1.275);
} 

.dropdown_menu.open{
    height: 240px;
 
}

.dropdown_menu li{
    padding: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.dropdown_menu .action-btn{
    width: 100%;
    display: flex;
    justify-content: center;
}

section#hero{
    height: calc(100vh - 60px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}




 @media (max-width:700px){
    .navbar .links,
    .navbar .action-btn{
        display: none;
    }
    .navbar .toggle_btn{
        display: block;
    }

    .dropdown_menu{
        display: block;
    }
}

@media (max-width:500px){
    .dropdown_menu{
        left: 2rem;
        width: unset;
    }
}
 





.navbar{   
    
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    position: relative;

}
.navbar ul{
    list-style: none;
    display: flex;
}
.navbar ul li{
    padding: 10px 30px;
    position: relative;
}
.navbar ul li a{
    font-size: 20px;
    color: var(--color-white);
    text-decoration: none;
    transition: all 0.3s;
}
 .navbar ul li a:hover{
    color:rgba(170, 170, 170, 0.626);
} 
.fas{
    float:right;
    margin-left: 10px;
    padding-top: 3px;
}
.dropdown-menu{
    display: none;
    z-index: 8;
} 
.navbar ul li:hover .dropdown-menu{
    display: block;
    position: absolute;
    left: 0;
    top:100%;
    background-color: var(--color-black);
}
.navbar ul li:hover .dropdown-menu ul{
    display: block;
    margin: 10px;
}
.navbar ul li:hover .dropdown-menu ul li{
    width: 150px;
    padding-left: 15px;
    
}
.dropdown-menu-1{
    display: none;
}
.navbar ul li:hover .dropdown-menu-1{
display: block;
position: absolute;
left: 150px;
top:0;
background-color: var(--color-black);
}
.navbar ul li:hover .dropdown-menu-2{
    display: block;
    position: absolute;
    left: 0;
    top:100%;
    background-color: var(--color-black);
}
.dropdown-menu-2{
    display: none;
    z-index: 8;
}
.navbar ul li:hover .dropdown-menu-2 ul{
    display: block;
    margin: 10px;
}
.navbar ul li:hover .dropdown-menu-2 ul li{
    width: 150px;
    padding-left: 40px;
}

.navbar ul li:hover .dropdown-menu-4{
    display: block;
    position: absolute;
    left: 0;
    top:100%;
    background-color: var(--color-black);
}
.dropdown-menu-4{
    display: none;
    z-index: 8;
}
.navbar ul li:hover .dropdown-menu-4 ul{
    display: block;
    margin: 10px;
}
.navbar ul li:hover .dropdown-menu-4 ul li{
    width: 150px;
    padding-left: 20px;
}

.btn a{
    padding-right: 45px;
}

/* 次导航栏开始 */
.zuobian{
    padding-left: 7%;
    padding-top: 3%;

  
 }
 .zuobian a{
    text-decoration: none;
    color: black;
 }
 /* 次导航栏结束 */

 .postcontent { width: 860px; }
 .postcontent.bothsidebar { width: 580px; }
 .sidebar { width: 240px; }
 .col_full { width: 100%; }
 .col_full_for_egreat_footer { width: 100%; margin-bottom: 0px; }
 .col_half { width: 48%; }
 .col_one_third { width: 30.63%; }
 .col_two_third { width: 65.33%; }
 .col_one_fourth { width: 16%; }
 .col_three_fourth { width: 74%; }
 .col_one_fifth { width: 16.8%; }
 .col_one_fifth_for_egreat_footer { width: 16%; }
 .col_two_fifth { width: 37.6%; }
 .col_three_fifth { width: 58.4%; }
 .col_four_fifth { width: 79.2%; }
 .col_one_sixth { width: 13.33%; }
 .col_five_sixth { width: 82.67%; }
 body.stretched .container-fullwidth {
     position: relative;
     padding: 0 60px;
     width: 100%;
 }
 
 .postcontent, 
 .sidebar,
 .col_full,
 .col_half,
 .col_one_third,
 .col_two_third,
  .col_three_fourth,
 .col_one_fourth,
 .col_one_fifth,  
 .col_two_fifth, /* 横向 */
 .col_three_fifth,/* 功能描述 */
 .col_four_fifth, 
 .col_one_sixth, 
 .col_five_sixth {
     display: block;
     position: relative;
     margin-bottom: 50px;
     float: left;
 }
 
 .postcontent,
 .sidebar { margin-right: 40px; }
 
 .col_full {
     clear: both;
     float: none;
     margin-right: 0;
 }
 
 .postcontent.col_last,
 .sidebar.col_last { float: right; }
 
 .col_last {
     margin-right: 0 !important;
     clear: right;
 } 
 
#content {
	position: relative;
	overflow: hidden;
	background-color: #FFF;
}

#content p { line-height: 1.8; }

.content-wrap {
	position: relative;
	padding: 80px 0;
}

#content .container { position: relative; }


html {
    font-family: sans-serif;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
  }
  body {
    margin: 0;
  }
  article,
  aside,
  details,
  figcaption,
  figure,
  footer,
  header,
  hgroup,
  main,
  menu,
  nav,
  section,
  summary {
    display: block;
  }
  audio,
  canvas,
  progress,
  video {
    display: inline-block;
    vertical-align: baseline;
  }
  audio:not([controls]) {
    display: none;
    height: 0;
  }
  [hidden],
  template {
    display: none;
  }
  a {
    background-color: transparent;
  }
  a:active,
  a:hover {
    outline: 0;
  }
  abbr[title] {
    border-bottom: 1px dotted;
  }
  b,
  strong {
    font-weight: bold;
  }
  dfn {
    font-style: italic;
  }
  h1 {
    font-size: 2em;
    margin: 0.67em 0;
  }
  mark {
    background: #ff0;
    color: #000;
  }
  small {
    font-size: 80%;
  }
  sub,
  sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
  }
  sup {
    top: -0.5em;
  }
  sub {
    bottom: -0.25em;
  }
  img {
    border: 0;
  }
  svg:not(:root) {
    overflow: hidden;
  }
  figure {
    margin: 1em 40px;
  }
  hr {
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box;
            box-sizing: content-box;
    height: 0;
  }
  pre {
    overflow: auto;
  }
  code,
  kbd,
  pre,
  samp {
    font-family: monospace, monospace;
    font-size: 1em;
  }
  button,
  input,
  optgroup,
  select,
  textarea {
    color: inherit;
    font: inherit;
    margin: 0;
  }
  button {
    overflow: visible;
  }
  button,
  select {
    text-transform: none;
  }
  button,
  html input[type="button"],
  input[type="reset"],
  input[type="submit"] {
    -webkit-appearance: button;
    cursor: pointer;
  }
  button[disabled],
  html input[disabled] {
    cursor: default;
  }
  button::-moz-focus-inner,
  input::-moz-focus-inner {
    border: 0;
    padding: 0;
  }
  input {
    line-height: normal;
  }
  input[type="checkbox"],
  input[type="radio"] {
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
    padding: 0;
  }
  input[type="number"]::-webkit-inner-spin-button,
  input[type="number"]::-webkit-outer-spin-button {
    height: auto;
  }
  input[type="search"] {
    -webkit-appearance: textfield;
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
  }
  input[type="search"]::-webkit-search-cancel-button,
  input[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
  }
  fieldset {
    border: 1px solid #c0c0c0;
    margin: 0 2px;
    padding: 0.35em 0.625em 0.75em;
  }
  legend {
    border: 0;
    padding: 0;
  }
  textarea {
    overflow: auto;
  }
  optgroup {
    font-weight: bold;
  }
  table {
    border-collapse: collapse;
    border-spacing: 0;
  }
  td,
  th {
    padding: 0;
  }
  @media print {
    *,
    *:before,
    *:after {
      background: transparent !important;
      color: #000 !important;
      -webkit-box-shadow: none !important;
              box-shadow: none !important;
      text-shadow: none !important;
    }
    a,
    a:visited {
      text-decoration: underline;
    }
    a[href]:after {
      content: " (" attr(href) ")";
    }
    abbr[title]:after {
      content: " (" attr(title) ")";
    }
    a[href^="#"]:after,
    a[href^="javascript:"]:after {
      content: "";
    }
    pre,
    blockquote {
      border: 1px solid #999;
      page-break-inside: avoid;
    }
    thead {
      display: table-header-group;
    }
    tr,
    img {
      page-break-inside: avoid;
    }
    img {
      max-width: 100% !important;
    }
    p,
    h2,
    h3 {
      orphans: 3;
      widows: 3;
    }
    h2,
    h3 {
      page-break-after: avoid;
    }
    select {
      background: #fff !important;
    }
    .navbar {
      display: none;
    }
    .btn > .caret,
    .dropup > .btn > .caret {
      border-top-color: #000 !important;
    }
    .label {
      border: 1px solid #000;
    }
    .table {
      border-collapse: collapse !important;
    }
    .table td,
    .table th {
      background-color: #fff !important;
    }
    .table-bordered th,
    .table-bordered td {
      border: 1px solid #ddd !important;
    }
  }

  .img-thumbnail {
    padding: 4px;
    line-height: 1.42857143;
    background-color: #ffffff;
    border: 1px solid #dddddd;
    border-radius: 4px;
    -webkit-transition: all 0.2s ease-in-out;
    -o-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
    display: inline-block;
    max-width: 100%;
    height: auto;
  }
  .img-circle {
    border-radius: 50%;
  }
  hr {
    margin-top: 20px;
    margin-bottom: 20px;
    border: 0;
    border-top: 1px solid #eeeeee;
  }
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }
  .sr-only-focusable:active,
  .sr-only-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    clip: auto;
  }
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  .h1,
  .h2,
  .h3,
  .h4,
  .h5,
  .h6 {
    font-family: inherit;
    font-weight: 500;
    line-height: 1.1;
    color: inherit;
  }
  h1 small,
  h2 small,
  h3 small,
  h4 small,
  h5 small,
  h6 small,
  .h1 small,
  .h2 small,
  .h3 small,
  .h4 small,
  .h5 small,
  .h6 small,
  h1 .small,
  h2 .small,
  h3 .small,
  h4 .small,
  h5 .small,
  h6 .small,
  .h1 .small,
  .h2 .small,
  .h3 .small,
  .h4 .small,
  .h5 .small,
  .h6 .small {
    font-weight: normal;
    line-height: 1;
    color: #777777;
  }
  h1,
  .h1,
  h2,
  .h2,
  h3,
  .h3 {
    margin-top: 20px;
    margin-bottom: 10px;
  }
  h1 small,
  .h1 small,
  h2 small,
  .h2 small,
  h3 small,
  .h3 small,
  h1 .small,
  .h1 .small,
  h2 .small,
  .h2 .small,
  h3 .small,
  .h3 .small {
    font-size: 65%;
  }
  h4,
  .h4,
  h5,
  .h5,
  h6,
  .h6 {
    margin-top: 10px;
    margin-bottom: 10px;
  }
  h4 small,
  .h4 small,
  h5 small,
  .h5 small,
  h6 small,
  .h6 small,
  h4 .small,
  .h4 .small,
  h5 .small,
  .h5 .small,
  h6 .small,
  .h6 .small {
    font-size: 75%;
  }
  h1,
  .h1 {
    font-size: 36px;
  }
  h2,
  .h2 {
    font-size: 30px;
  }
  h3,
  .h3 {
    font-size: 24px;
  }
  h4,
  .h4 {
    font-size: 18px;
  }
  h5,
  .h5 {
    font-size: 14px;
  }
  h6,
  .h6 {
    font-size: 12px;
  }
  p {
    margin: 0 0 10px;
  }
  .lead {
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: 300;
    line-height: 1.4;
  }
  @media (min-width: 500px) {
    .lead {
      font-size: 21px;
    }
  }
  small,
  .small {
    font-size: 85%;
  }
  mark,
  .mark {
    background-color: #fcf8e3;
    padding: .2em;
  }
  .text-left {
    text-align: left;
  }
  .text-right {
    text-align: right;
  }
  .text-center {
    text-align: center;
  }
  .text-justify {
    text-align: justify;
  }
  .text-nowrap {
    white-space: nowrap;
  }
  .text-lowercase {
    text-transform: lowercase;
  }
  .text-uppercase {
    text-transform: uppercase;
  }
  .text-capitalize {
    text-transform: capitalize;
  }
  .text-muted {
    color: #777777;
  }
  .text-primary {
    color: #337ab7;
  }
  a.text-primary:hover {
    color: #286090;
  }
  .text-success {
    color: #3c763d;
  }
  a.text-success:hover {
    color: #2b542c;
  }
  .text-info {
    color: #31708f;
  }
  a.text-info:hover {
    color: #245269;
  }
  .text-warning {
    color: #8a6d3b;
  }
  a.text-warning:hover {
    color: #66512c;
  }
  .text-danger {
    color: #a94442;
  }
  a.text-danger:hover {
    color: #843534;
  }
  .bg-primary {
    color: #fff;
    background-color: #337ab7;
  }
  a.bg-primary:hover {
    background-color: #286090;
  }
  .bg-success {
    background-color: #dff0d8;
  }
  a.bg-success:hover {
    background-color: #c1e2b3;
  }
  .bg-info {
    background-color: #d9edf7;
  }
  a.bg-info:hover {
    background-color: #afd9ee;
  }
  .bg-warning {
    background-color: #fcf8e3;
  }
  a.bg-warning:hover {
    background-color: #f7ecb5;
  }
  .bg-danger {
    background-color: #f2dede;
  }
  a.bg-danger:hover {
    background-color: #e4b9b9;
  }
  .page-header {
    padding-bottom: 9px;
    margin: 40px 0 20px;
    border-bottom: 1px solid #eeeeee;
  }

  .list-unstyled {
    padding-left: 0;
    list-style: none;
  }
  .list-inline {
    padding-left: 0;
    list-style: none;
    margin-left: -5px;
  }
  .list-inline > li {
    display: inline-block;
    padding-left: 5px;
    padding-right: 5px;
  }
  dl {
    margin-top: 0;
    margin-bottom: 20px;
  }
  dt,
  dd {
    line-height: 1.42857143;
  }
  dt {
    font-weight: bold;
  }
  dd {
    margin-left: 0;
  }
  @media (min-width: 768px) {
    .dl-horizontal dt {
      float: left;
      width: 160px;
      clear: left;
      text-align: right;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .dl-horizontal dd {
      margin-left: 180px;
    }
  }
  abbr[title],
  abbr[data-original-title] {
    cursor: help;
    border-bottom: 1px dotted #777777;
  }
  .initialism {
    font-size: 90%;
    text-transform: uppercase;
  }
  blockquote {
    padding: 10px 20px;
    margin: 0 0 20px;
    font-size: 17.5px;
    border-left: 5px solid #eeeeee;
  }
  blockquote p:last-child,
  blockquote ul:last-child,
  blockquote ol:last-child {
    margin-bottom: 0;
  }
  blockquote footer,
  blockquote small,
  blockquote .small {
    display: block;
    font-size: 80%;
    line-height: 1.42857143;
    color: #777777;
  }
  blockquote footer:before,
  blockquote small:before,
  blockquote .small:before {
    content: '\2014 \00A0';
  }
  .blockquote-reverse,
  blockquote.pull-right {
    padding-right: 15px;
    padding-left: 0;
    border-right: 5px solid #eeeeee;
    border-left: 0;
    text-align: right;
  }
  .blockquote-reverse footer:before,
  blockquote.pull-right footer:before,
  .blockquote-reverse small:before,
  blockquote.pull-right small:before,
  .blockquote-reverse .small:before,
  blockquote.pull-right .small:before {
    content: '';
  }
  .blockquote-reverse footer:after,
  blockquote.pull-right footer:after,
  .blockquote-reverse small:after,
  blockquote.pull-right small:after,
  .blockquote-reverse .small:after,
  blockquote.pull-right .small:after {
    content: '\00A0 \2014';
  }
  address {
    margin-bottom: 20px;
    font-style: normal;
    line-height: 1.42857143;
  }
  code,
  kbd,
  pre,
  samp {
    font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
  }
  code {
    padding: 2px 4px;
    font-size: 90%;
    color: #c7254e;
    background-color: #f9f2f4;
    border-radius: 4px;
  }


























  
 


  .container {/* 功能概述 */
    margin-right: auto;
    margin-left: auto;
    padding-left: 15px;
    padding-right: 15px;
  }
  @media (min-width: 1500px) {
    .container {
      width: 750px;
    }
  }
  @media (min-width: 500px) {
    .container {
      width: 970px;
    }
  }
  @media (min-width: 600px) {
    .container {
      width: 1175px;
    }
  }
/* 功能概述结束 */

  
  






  .table > tbody > tr > td,
  .table > tfoot > tr > td {
    padding: 8px;
    line-height: 1.42857143;/* 功能特色中心间距 */
    vertical-align: top;
    border-top: 1px solid #dddddd;
  }
  .table > thead > tr > th {
    vertical-align: bottom;
    border-bottom: 5px solid #dddddd;
  }


  .table > thead > tr > td.success,
  .table > tbody > tr > td.success,
  .table > tfoot > tr > td.success,
  .table > thead > tr > th.success,
  .table > tbody > tr > th.success,
  .table > tfoot > tr > th.success,
  .table > thead > tr.success > td,
  .table > tbody > tr.success > td,
  .table > tfoot > tr.success > td,
  .table > thead > tr.success > th,
  .table > tbody > tr.success > th,
  .table > tfoot > tr.success > th {
    background-color: rgb(174, 138, 248);/* 功能特色背景颜色 */
  }
  
  .table > thead > tr > td.info,
  .table > tbody > tr > td.info,
  .table > tfoot > tr > td.info,
  .table > thead > tr > th.info,
  .table > tbody > tr > th.info,
  .table > tfoot > tr > th.info,
  .table > thead > tr.info > td,
  .table > tbody > tr.info > td,
  .table > tfoot > tr.info > td,
  .table > thead > tr.info > th,
  .table > tbody > tr.info > th,
  .table > tfoot > tr.info > th {
    background-color: #68cbf2;/* 硬件配置背景颜色 */
  }
  .table-hover > tbody > tr > td.info:hover,
  .table-hover > tbody > tr > th.info:hover,
  .table-hover > tbody > tr.info:hover > td,
  .table-hover > tbody > tr:hover > .info,
  .table-hover > tbody > tr.info:hover > th {
    background-color: #000000;
  }
  .table > thead > tr > td.warning,
  .table > tbody > tr > td.warning,
  .table > tfoot > tr > td.warning,
  .table > thead > tr > th.warning,
  .table > tbody > tr > th.warning,
  .table > tfoot > tr > th.warning,
  .table > thead > tr.warning > td,
  .table > tbody > tr.warning > td,
  .table > tfoot > tr.warning > td,
  .table > thead > tr.warning > th,
  .table > tbody > tr.warning > th,
  .table > tfoot > tr.warning > th {
    background-color: #ddb800;/* 系统规划背景颜色 */
  }
  


  *{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins" , sans-serif; 
   
}


footer{
    position:relative;
    background: rgb(0, 0, 0);
    width: 100%;
    bottom:0;
    left: 0;
    padding-top: 20px;
}
footer::before{
    content: '';
    position: absolute;
    left: 0;
    top: 100px;
    height: 1px;
    width: 100%;
    background: #AFAF86;
}
footer .content{
    background: rgb(0, 0, 0);
    max-width: 1250px;
    margin: auto;
    padding: 30px 40px 40px 40px;
}
footer .content .top{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 50px;

  
}
.content .top .logo-details{
    color: #fff;
    font-size: 30px;
    
}
.content .top .media-icons{
    display: flex;
 
}
.content .top .media-icons a{
    height: 40px;
    width: 40px;
    background: rgb(232, 10, 10);
    margin: 0 8px;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    color: #fff;
    font-size: 17px;
    text-decoration: none;
    transition: all 0.4s ease;
  
}

.top .media-icons a:nth-child(1){
background: #db1b1b;
}
.top .media-icons a:nth-child(1):hover{
     color:#4267B2;
    background: #fff;
   
}

.top .media-icons a:nth-child(2){
    background: #1DA1F2;
    }
.top .media-icons a:nth-child(2):hover{
        color:#1DA1F2;
        background: #fff;
    }
    
.top .media-icons a:nth-child(3){
        background: #E1306C;
        }
.top .media-icons a:nth-child(3):hover{
            color:#E1306C;
            background: #fff;
        }    

 .top .media-icons a:nth-child(4){
            background: #0077b5;
            }
.top .media-icons a:nth-child(4):hover{
                color:#0077b5;
                background: #fff;
            }   
            
.top .media-icons a:nth-child(5){
                background: #FF0000;
                }
.top .media-icons a:nth-child(5):hover{
                    color:#FF0000;
                    background: #fff;
 }  
footer .content .link-boxes{
    width: 100%;
    display: flex;
    justify-content: space-between;
   
}
footer .content .link-boxes .box{
background: rgb(0, 0, 0);
width: calc(100% / 5 - 10px);
}
.content .link-boxes .box .link_name{
    color: #fff;
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 10px;
    position: relative;
    
}
/* .logo_name img{
    width: 200px;
    height: 125px;
} */
.link-boxes .box .link_name::before{/*新皋智能下划线*/
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    height: 2px;
    width: 35px;
    background: #fff;
}
.content .link-boxes .box
.content .link-boxes .box li{
    margin: 6px 0;
    list-style: none;
    
}
.content .link-boxes .box li a{
    color: #fff;
    font-size: 14px;
    font-weight: 400;
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.4s ease;
}
.content .link-boxes .box li a:hover{
opacity: 1;
text-decoration: underline;
}
.content .link-boxes .input-box{
    margin-right: 55px;
    
}
.link-boxes .input-box input{
    height: 40px;
    width: calc(100% + 55px);
    outline:none;
    border: 2px solid #AFAFB6;
    background: #000000;/*email背景  */
    border-radius: 4px;
    padding: 0 15px;
    font-size: 15px;
    color: #fff;
    margin-top: 5px ;
}
.link-boxes .input-box input::placeholder{
    color: #AFAF86;
    font-size: 16px;
}
.link-boxes .input-box input[type="button"]{
    background:#fff;
    color: #000000;
    border: none;
    font-size: 18px;
    font-weight: 500;
    margin: 4px 0;
    opacity: 0.8;
    cursor: pointer;
    transition: all 0.4s ease;
}
.input-box input[type="button"]:hover{
    opacity: 1;
}

footer .bottom-details{
    width: 100%;
    background: #01063c;/* 尾部 */
}
footer .bottom-details .bottom_text{
    max-width: 1250px;
    margin: auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
}
.bottom-details .bottom_text span,
.bottom-details .bottom_text a{
    font-size: 14px;
    font-weight: 300;
    color: #fff;
    opacity: 0.8;
    text-decoration: none;
}
.bottom-details .bottom_text a:hover{
    opacity: 1;
    text-decoration: underline;
}

.bottom-details .bottom_text a{
    margin-right: 10px;
}
@media (max-width: 900px){
    footer .content .link-boxes{
        flex-wrap: wrap;
    }
    footer .content .link-boxes .input-box{
        width: 40%; 
        margin-top: 10px;
    }
}
@media (max-width: 700px){
  footer{
    position: relative;
  }
    .content .top .logo-details{
    font-size: 26px;
  }
  .content .top .media-icons a{
    height: 35px;
    width: 35px;
    font-size: 14px;
    line-height: 35px;
  }
  footer .content .link-boxes .box{
    width: calc(100% / 3 - 10px);
    }
    footer .content .link-boxes .input-box{
        width: 60%;
    }
    .bottom-details .bottom_text span,
    .bottom-details .bottom_text a{
        font-size: 12px;
    }
}
@media (max-width: 520px){
    footer::before{
        top: 145px;
    }
    footer .content .top{
      flex-direction: column;
    }
    .content .top .media-icons{
        margin-top: 16px;
    }
    footer .content .link-boxes .box{
        width:  calc(100% / 2 - 10px);
    }
    footer .content .link-boxes .input-box{
        width: 100%;
    }
}