/*!
 * Bootstrap v4.2.1 (https://getbootstrap.com/)
 * Copyright 2011-2018 The Bootstrap Authors
 * Copyright 2011-2018 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */
/*:root {
  --blue: #007bff;
  --indigo: #6610f2;
  --purple: #6f42c1;
  --pink: #e83e8c;
  --red: #dc3545;
  --orange: #fd7e14;
  --yellow: #ffc107;
  --green: #28a745;
  --teal: #20c997;
  --cyan: #17a2b8;
  --white: #fff;
  --gray: #6c757d;
  --gray-dark: #343a40;
  --primary: #007bff;
  --secondary: #6c757d;
  --success: #28a745;
  --info: #17a2b8;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #343a40;
  --breakpoint-xs: 0;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
*/
*,
*::before,
*::after {
  box-sizing: border-box;
}
/*
html {
  font-family: 宋体;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
  margin: 0;
  font-family: "宋体",-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  text-align: left;
  background-color: #fff;
}
*/
/*hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible;
}

h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ol,
ul {
  margin-top: 0;
  margin-bottom: 1rem;
}

a {
  color: #007bff;
  text-decoration: none;
  background-color: transparent;
}

a:hover {
  color: #0056b3;
  text-decoration: underline;
}

table {
  border-collapse: collapse;
}

::-webkit-file-upload-button {
  font: inherit;
  -webkit-appearance: button;
}

h6 {
  margin-bottom: 0.5rem;
  font-family: inherit;
  font-weight: 500;
  line-height: 1.2;
  color: inherit;
}

h6 {
  font-size: 1rem;
}

hr {
  margin-top: 1rem;
  margin-bottom: 1rem;
  border: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}
*/
a.a2:link{
  color: #007bff;
  text-decoration: none;
  background-color: transparent;
}
/*a.a2:hover{
	color: #0056b3; 
	text-decoration: underline;}*/
/*a.a2:visited{ 
	color:#F0F
}*/ /*访问过为粉红  */
a.a2:focus {
    color: #a00000;
}

a.a2:hover {
    color: #a00000;text-decoration: underline;
}
/*
a.a2:hover{
	color: #0056b3; 
	text-decoration: underline;}
*/
/* 链接默认为红色 */ 
/* 鼠标悬停黑色 */ 
a.a2:active{ color:#03F}
/*鼠标点击与释放时蓝色  */
 .vid{
     position: relative;
    // margin:auto;
     margin-left: 15px;
	 left: 0;
     right: 0px;
     bottom: 0;
     top: 0;
	 max-width:192px; max-height:108px;
// 也可以变成  max-width:1920px; max-height:1080px;  百分数可能会拉伸，所以直接设定成固定px。
    // width:10%;
   //  height:10%;
     background-color: blue;
  
}
.table1 {
  border-collapse: collapse;
}
.tb1 {
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  }

  .table2 {
    border-collapse: collapse !important;
  }
  .table2 td,
  .table2 th {
    background-color: #fff !important;
  }
  .table-bordered th,
  .table-bordered td {
    border: 1px solid #dee2e6 !important;
  }
  .table-dark {
    color: inherit;
  }
  .table-dark th,
  .table-dark td,
  .table-dark thead th,
  .table-dark tbody + tbody {
    border-color: #dee2e6;
  }
  .table2 .thead-dark th {
    color: inherit;
    border-color: #dee2e6;
  }
}
.container1 {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container1 {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

.container-fluid1 {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

.row1 {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col-md-4, .col-md-6, .col-lg-6 {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

@media (min-width: 768px) {
  .col-md-4 {
    -ms-flex: 0 0 33.333333%;
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }
  .col-md-6 {
    -ms-flex: 0 0 50%;
    flex: 0 0 50%;
    max-width: 50%;
  }
}

@media (min-width: 992px) {
  .col-lg-6 {
    -ms-flex: 0 0 50%;
    flex: 0 0 50%;
    max-width: 50%;
  }
  .offset-lg-3 {
    margin-left: 25%;
  }
}

.was-validated .custom-control-input:valid:focus:not(:checked) ~ .custom-control-label::before, .custom-control-input.is-valid:focus:not(:checked) ~ .custom-control-label::before {
  border-color: #28a745;
}

.was-validated .custom-control-input:invalid:focus:not(:checked) ~ .custom-control-label::before, .custom-control-input.is-invalid:focus:not(:checked) ~ .custom-control-label::before {
  border-color: #dc3545;
}

.btn:not(:disabled):not(.disabled) {
  cursor: pointer;
}

.btn-primary:not(:disabled):not(.disabled):active, .btn-primary:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #0062cc;
  border-color: #005cbf;
}

.btn-primary:not(:disabled):not(.disabled):active:focus, .btn-primary:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(38, 143, 255, 0.5);
}

.btn-secondary:not(:disabled):not(.disabled):active, .btn-secondary:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #545b62;
  border-color: #4e555b;
}

.btn-secondary:not(:disabled):not(.disabled):active:focus, .btn-secondary:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(130, 138, 145, 0.5);
}

.btn-success:not(:disabled):not(.disabled):active, .btn-success:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #1e7e34;
  border-color: #1c7430;
}

.btn-success:not(:disabled):not(.disabled):active:focus, .btn-success:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(72, 180, 97, 0.5);
}

.btn-info:not(:disabled):not(.disabled):active, .btn-info:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #117a8b;
  border-color: #10707f;
}

.btn-info:not(:disabled):not(.disabled):active:focus, .btn-info:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(58, 176, 195, 0.5);
}

.btn-warning:not(:disabled):not(.disabled):active, .btn-warning:not(:disabled):not(.disabled).active {
  color: #212529;
  background-color: #d39e00;
  border-color: #c69500;
}

.btn-warning:not(:disabled):not(.disabled):active:focus, .btn-warning:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(222, 170, 12, 0.5);
}

.btn-danger:not(:disabled):not(.disabled):active, .btn-danger:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #bd2130;
  border-color: #b21f2d;
}

.btn-danger:not(:disabled):not(.disabled):active:focus, .btn-danger:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(225, 83, 97, 0.5);
}

.btn-light:not(:disabled):not(.disabled):active, .btn-light:not(:disabled):not(.disabled).active {
  color: #212529;
  background-color: #dae0e5;
  border-color: #d3d9df;
}

.btn-light:not(:disabled):not(.disabled):active:focus, .btn-light:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(216, 217, 219, 0.5);
}

.btn-dark:not(:disabled):not(.disabled):active, .btn-dark:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #1d2124;
  border-color: #171a1d;
}

.btn-dark:not(:disabled):not(.disabled):active:focus, .btn-dark:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(82, 88, 93, 0.5);
}

.btn-outline-primary:not(:disabled):not(.disabled):active, .btn-outline-primary:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #007bff;
  border-color: #007bff;
}

.btn-outline-primary:not(:disabled):not(.disabled):active:focus, .btn-outline-primary:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
}

.btn-outline-secondary:not(:disabled):not(.disabled):active, .btn-outline-secondary:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #6c757d;
  border-color: #6c757d;
}

.btn-outline-secondary:not(:disabled):not(.disabled):active:focus, .btn-outline-secondary:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
}

.btn-outline-success:not(:disabled):not(.disabled):active, .btn-outline-success:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #28a745;
  border-color: #28a745;
}

.btn-outline-success:not(:disabled):not(.disabled):active:focus, .btn-outline-success:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
}

.btn-outline-info:not(:disabled):not(.disabled):active, .btn-outline-info:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #17a2b8;
  border-color: #17a2b8;
}

.btn-outline-info:not(:disabled):not(.disabled):active:focus, .btn-outline-info:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
}

.btn-outline-warning:not(:disabled):not(.disabled):active, .btn-outline-warning:not(:disabled):not(.disabled).active {
  color: #212529;
  background-color: #ffc107;
  border-color: #ffc107;
}

.btn-outline-warning:not(:disabled):not(.disabled):active:focus, .btn-outline-warning:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
}

.btn-outline-danger:not(:disabled):not(.disabled):active, .btn-outline-danger:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #dc3545;
  border-color: #dc3545;
}

.btn-outline-danger:not(:disabled):not(.disabled):active:focus, .btn-outline-danger:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
}

.btn-outline-light:not(:disabled):not(.disabled):active, .btn-outline-light:not(:disabled):not(.disabled).active {
  color: #212529;
  background-color: #f8f9fa;
  border-color: #f8f9fa;
}

.btn-outline-light:not(:disabled):not(.disabled):active:focus, .btn-outline-light:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
}

.btn-outline-dark:not(:disabled):not(.disabled):active, .btn-outline-dark:not(:disabled):not(.disabled).active {
  color: #fff;
  background-color: #343a40;
  border-color: #343a40;
}

.btn-outline-dark:not(:disabled):not(.disabled):active:focus, .btn-outline-dark:not(:disabled):not(.disabled).active:focus {
  box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
}

.fade {
  transition: opacity 0.15s linear;
}

@media screen and (prefers-reduced-motion: reduce) {
  .fade {
    transition: none;
  }
}

.fade:not(.show) {
  opacity: 0;
}

.custom-control-input:focus:not(:checked) ~ .custom-control-label::before {
  border-color: #80bdff;
}

.custom-control-input:not(:disabled):active ~ .custom-control-label::before {
  color: #fff;
  background-color: #b3d7ff;
  border-color: #b3d7ff;
}

.nav {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
}

.nav-link:hover, .nav-link:focus {
  text-decoration: none;
}

.nav-tabs {
  border-bottom: 1px solid #dee2e6;
}

.nav-tabs .nav-item {
  margin-bottom: -1px;
}

.nav-tabs .nav-link {
  border: 1px solid transparent;
  border-top-left-radius: 0.25rem;
  border-top-right-radius: 0.25rem;
}

.nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus {
  border-color: #e9ecef #e9ecef #dee2e6;
}

.nav-tabs .nav-link.active {
  color: #495057;
  background-color: #fff;
  border-color: #dee2e6 #dee2e6 #fff;
}

.nav-fill .nav-item {
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;
  text-align: center;
}

.tab-content > .tab-pane {
  display: none;
}

.tab-content > .active {
  display: block;
}

.navbar-toggler:not(:disabled):not(.disabled) {
  cursor: pointer;
}

.page-link:not(:disabled):not(.disabled) {
  cursor: pointer;
}

.close:not(:disabled):not(.disabled) {
  cursor: pointer;
}

.close:not(:disabled):not(.disabled):hover, .close:not(:disabled):not(.disabled):focus {
  opacity: .75;
}

.embed-responsive {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
}

.embed-responsive::before {
  display: block;
  content: "";
}

.embed-responsive-16by9::before {
  padding-top: 56.25%;
}

.float-right {
  float: right !important;
}

@supports ((position: -webkit-sticky) or (position: sticky)) {
}

.my-1 {
  margin-top: 0.25rem !important;
}

.my-1 {
  margin-bottom: 0.25rem !important;
}

.my-4 {
  margin-top: 1.5rem !important;
}

.my-4 {
  margin-bottom: 1.5rem !important;
}

.text-center {
  text-align: center !important;
}

@media print {
  *,
  *::before,
  *::after {
    text-shadow: none !important;
    box-shadow: none !important;
  }
  a:not(.btn) {
    text-decoration: underline;
  }
  tr {
    page-break-inside: avoid;
  }
  p {
    orphans: 3;
    widows: 3;
  }
  @page {
    size: a3;
  }
  body {
    min-width: 992px !important;
  }
  .container {
    min-width: 992px !important;
  }
}
/*# sourceMappingURL=bootstrap.css.map */