*,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  html {
    font-family: sans-serif;
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -ms-overflow-style: scrollbar;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  }
  
  article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {
    display: block;
  }

  [tabindex="-1"]:focus {
    outline: 0 !important;
  }
  
  hr {
    box-sizing: content-box;
    height: 0;
    overflow: visible;
  }
  
  h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5rem;
  }
  
  p {
    margin-top: 0;
    margin-bottom: 1rem;
  }
  
  abbr[title],
  abbr[data-original-title] {
    text-decoration: underline;
    -webkit-text-decoration: underline dotted;
    text-decoration: underline dotted;
    cursor: help;
    border-bottom: 0;
  }
  
  address {
    margin-bottom: 1rem;
    font-style: normal;
    line-height: inherit;
  }
  
  ol,
  ul,
  dl {
    margin-top: 0;
    margin-bottom: 1rem;
  }
  
  ol ol,
  ul ul,
  ol ul,
  ul ol {
    margin-bottom: 0;
  }
  
  dt {
    font-weight: 700;
  }
  
  dd {
    margin-bottom: .5rem;
    margin-left: 0;
  }
  
  blockquote {
    margin: 0 0 1rem;
  }
  
  dfn {
    font-style: italic;
  }
  
  b,
  strong {
    font-weight: bolder;
  }
  
  small {
    font-size: 80%;
  }
  
  sub,
  sup {
    position: relative;
    font-size: 75%;
    line-height: 0;
    vertical-align: baseline;
  }
  
  sub {
    bottom: -.25em;
  }
  
  sup {
    top: -.5em;
  }
  
  a {
    color: #007bff;
    text-decoration: none;
    background-color: transparent;
    -webkit-text-decoration-skip: objects;
  }
  
  pre,
  code,
  kbd,
  samp {
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 1em;
  }
  
  pre {
    margin-top: 0;
    margin-bottom: 1rem;
    overflow: auto;
    -ms-overflow-style: scrollbar;
  }
  
  figure {
    margin: 0 0 1rem;
  }
  
  img {
    vertical-align: middle;
    border-style: none;
  }
  
  svg {
    overflow: hidden;
    vertical-align: middle;
  }
  
  table {
    border-collapse: collapse;
  }
  
  caption {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    color: #6c757d;
    text-align: left;
    caption-side: bottom;
  }
  
  th {
    text-align: inherit;
  }
  
  label {
    display: inline-block;
    margin-bottom: 0.5rem;
  }
  
  button {
    border-radius: 0;
  }
  
  button:focus {
    outline: 1px dotted;
    outline: 5px auto -webkit-focus-ring-color;
  }
  
  input,
  button,
  select,
  optgroup,
  textarea {
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
  }
  
  button,
  input {
    overflow: visible;
  }
  
  button,
  select {
    text-transform: none;
  }
  
  button,
  html [type="button"],
  [type="reset"],
  [type="submit"] {
    -webkit-appearance: button;
  }
  
  button::-moz-focus-inner,
  [type="button"]::-moz-focus-inner,
  [type="reset"]::-moz-focus-inner,
  [type="submit"]::-moz-focus-inner {
    padding: 0;
    border-style: none;
  }
  
  input[type="radio"],
  input[type="checkbox"] {
    box-sizing: border-box;
    padding: 0;
  }
  
  input[type="date"],
  input[type="time"],
  input[type="datetime-local"],
  input[type="month"] {
    -webkit-appearance: listbox;
  }
  
  textarea {
    overflow: auto;
    resize: vertical;
  }
  
  fieldset {
    min-width: 0;
    padding: 0;
    margin: 0;
    border: 0;
  }
  
  legend {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin-bottom: .5rem;
    font-size: 1.5rem;
    line-height: inherit;
    color: inherit;
    white-space: normal;
  }
  
  progress {
    vertical-align: baseline;
  }
  
  [type="number"]::-webkit-inner-spin-button,
  [type="number"]::-webkit-outer-spin-button {
    height: auto;
  }
  
  [type="search"] {
    outline-offset: -2px;
    -webkit-appearance: none;
  }
  
  [type="search"]::-webkit-search-cancel-button,
  [type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
  }
  
  ::-webkit-file-upload-button {
    font: inherit;
    -webkit-appearance: button;
  }
  
  output {
    display: inline-block;
  }
  .btn {
      display: block;
  }
  summary {
    display: list-item;
    cursor: pointer;
  }
  
  template {
    display: none;
  }
  
  [hidden] {
    display: none !important;
  }
  
  h1, h2, h3, h4, h5, h6,
  .h1, .h2, .h3, .h4, .h5, .h6 {
    margin-bottom: 0.5rem;
    font-family: inherit;
    font-weight: 500;
    line-height: 1.2;
    color: inherit;
  }
  
  h1, .h1 {
    font-size: 2.5rem;
  }
  
  h2, .h2 {
    font-size: 2rem;
  }
  
  h3, .h3 {
    font-size: 1.75rem;
  }
  
  h4, .h4 {
    font-size: 1.5rem;
  }
  
  h5, .h5 {
    font-size: 1.25rem;
  }
  
  h6, .h6 {
    font-size: 1rem;
  }
  
  .lead {
    font-size: 1.25rem;
    font-weight: 300;
  }
  

/* ///////////////////一些显示基本////////////// */
.clearfix::after {
    display: block;
    clear: both;
    content: "";
  }
  
  .d-none {
    display: none !important;
  }
  
  .d-inline {
    display: inline !important;
  }
  
  .d-inline-block {
    display: inline-block !important;
  }
  
  .d-block {
    display: block !important;
  }
  
  .d-table {
    display: table !important;
  }
  
  .d-table-row {
    display: table-row !important;
  }
  
  .d-table-cell {
    display: table-cell !important;
  }
  
  .d-flex {
    display: -ms-flexbox !important;
    display: flex !important;
  }
  
  .d-inline-flex {
    display: -ms-inline-flexbox !important;
    display: inline-flex !important;
  }

  .mt-0,
  .my-0 {
    margin-top: 0 !important;
  }
  
  .mr-0,
  .mx-0 {
    margin-right: 0 !important;
  }
  
  .mb-0,
  .my-0 {
    margin-bottom: 0 !important;
  }
  
  .ml-0,
  .mx-0 {
    margin-left: 0 !important;
  }
  
  .m-1 {
    margin: 0.25rem !important;
  }
  
  .mt-1,
  .my-1 {
    margin-top: 0.25rem !important;
  }
  
  .mr-1,
  .mx-1 {
    margin-right: 0.25rem !important;
  }
  
  .mb-1,
  .my-1 {
    margin-bottom: 0.25rem !important;
  }
  
  .ml-1,
  .mx-1 {
    margin-left: 0.25rem !important;
  }
  
  .m-2 {
    margin: 0.5rem !important;
  }
  
  .mt-2,
  .my-2 {
    margin-top: 0.5rem !important;
  }
  
  .mr-2,
  .mx-2 {
    margin-right: 0.5rem !important;
  }
  
  .mb-2,
  .my-2 {
    margin-bottom: 0.5rem !important;
  }
  
  .ml-2,
  .mx-2 {
    margin-left: 0.5rem !important;
  }
  
  .m-3 {
    margin: 1rem !important;
  }
  
  .mt-3,
  .my-3 {
    margin-top: 1rem !important;
  }
  
  .mr-3,
  .mx-3 {
    margin-right: 1rem !important;
  }
  
  .mb-3,
  .my-3 {
    margin-bottom: 1rem !important;
  }
  
  .ml-3,
  .mx-3 {
    margin-left: 1rem !important;
  }
  
  .m-4 {
    margin: 1.5rem !important;
  }
  
  .mt-4,
  .my-4 {
    margin-top: 1.5rem !important;
  }
  
  .mr-4,
  .mx-4 {
    margin-right: 1.5rem !important;
  }
  
  .mb-4,
  .my-4 {
    margin-bottom: 1.5rem !important;
  }
  
  .ml-4,
  .mx-4 {
    margin-left: 1.5rem !important;
  }
  
  .m-5 {
    margin: 3rem !important;
  }
  
  .mt-5,
  .my-5 {
    margin-top: 3rem !important;
  }
  
  .mr-5,
  .mx-5 {
    margin-right: 3rem !important;
  }
  
  .mb-5,
  .my-5 {
    margin-bottom: 3rem !important;
  }
  
  .ml-5,
  .mx-5 {
    margin-left: 3rem !important;
  }
  
  .p-0 {
    padding: 0 !important;
  }
  
  .pt-0,
  .py-0 {
    padding-top: 0 !important;
  }
  
  .pr-0,
  .px-0 {
    padding-right: 0 !important;
  }
  
  .pb-0,
  .py-0 {
    padding-bottom: 0 !important;
  }
  
  .pl-0,
  .px-0 {
    padding-left: 0 !important;
  }
  
  .p-1 {
    padding: 10px !important;
  }
  
  .pt-1,
  .py-1 {
    padding-top: 10px !important;
  }
  
  .pr-1,
  .px-1 {
    padding-right: 10px !important;
  }
  
  .pb-1,
  .py-1 {
    padding-bottom: 10px !important;
  }
  
  .pl-1,
  .px-1 {
    padding-left: 0.25rem !important;
  }
  
  .p-2 {
    padding: 20px !important;
  }
  
  .pt-2,
  .py-2 {
    padding-top: 20px !important;
  }
  
  .pr-2,
  .px-2 {
    padding-right: 20px !important;
  }
  
  .pb-2,
  .py-2 {
    padding-bottom: 20px !important;
  }
  
  .pl-2,
  .px-2 {
    padding-left: 20px !important;
  }
  
  .p-3 {
    padding: 30px !important;
  }
  
  .pt-3,
  .py-3 {
    padding-top: 30px !important;
  }
  
  .pr-3,
  .px-3 {
    padding-right: 30px !important;
  }
  
  .pb-3,
  .py-3 {
    padding-bottom: 30px !important;
  }
  
  .pl-3,
  .px-3 {
    padding-left: 30px !important;
  }
  
  .p-4 {
    padding: 40px !important;
  }
  
  .pt-4,
  .py-4 {
    padding-top: 40px !important;
  }
  
  .pr-4,
  .px-4 {
    padding-right: 40px !important;
  }
  
  .pb-4,
  .py-4 {
    padding-bottom: 40px !important;
  }
  
  .pl-4,
  .px-4 {
    padding-left: 40px !important;
  }
  

  .m-auto {
    margin: auto !important;
  }
  
  .mt-auto,
  .my-auto {
    margin-top: auto !important;
  }
  
  .mr-auto,
  .mx-auto {
    margin-right: auto !important;
  }
  
  .mb-auto,
  .my-auto {
    margin-bottom: auto !important;
  }
  
  .ml-auto,
  .mx-auto {
    margin-left: auto !important;
  }


  /* ///////////////////栅格/////////////// */
  .container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
  }
  .row {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
  }
  
  .no-gutters {
    margin-right: 0;
    margin-left: 0;
  }
  
  .no-gutters > .col,
  .no-gutters > [class*="col-"] {
    padding-right: 0;
    padding-left: 0;
  }
  
  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col,
  .col-auto, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm,
  .col-sm-auto, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-md,
  .col-md-auto, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg,
  .col-lg-auto, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl,
  .col-xl-auto {
    position: relative;
    width: 100%;
    min-height: 1px;
    padding-right: 15px;
    padding-left: 15px;
  }
  
  .col {
    -ms-flex-preferred-size: 0;
    flex-basis: 0;
    -ms-flex-positive: 1;
    flex-grow: 1;
    max-width: 100%;
  }
  
  .col-auto {
    -ms-flex: 0 0 auto;
    flex: 0 0 auto;
    width: auto;
    max-width: none;
  }
  
  .col-1 {
    -ms-flex: 0 0 8.333333%;
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
  }
  
  .col-2 {
    -ms-flex: 0 0 16.666667%;
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }
  
  .col-3 {
    -ms-flex: 0 0 25%;
    flex: 0 0 25%;
    max-width: 25%;
  }
  
  .col-4 {
    -ms-flex: 0 0 33.333333%;
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }
  
  .col-5 {
    -ms-flex: 0 0 41.666667%;
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
  }
  
  .col-6 {
    -ms-flex: 0 0 50%;
    flex: 0 0 50%;
    max-width: 50%;
  }
  
  .col-7 {
    -ms-flex: 0 0 58.333333%;
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }
  
  .col-8 {
    -ms-flex: 0 0 66.666667%;
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
  }
  
  .col-9 {
    -ms-flex: 0 0 75%;
    flex: 0 0 75%;
    max-width: 75%;
  }
  
  .col-10 {
    -ms-flex: 0 0 83.333333%;
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }
  
  .col-11 {
    -ms-flex: 0 0 91.666667%;
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
  }
  
  .col-12 {
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .order-first {
    -ms-flex-order: -1;
    order: -1;
  }
  
  .order-last {
    -ms-flex-order: 13;
    order: 13;
  }
  
  .order-0 {
    -ms-flex-order: 0;
    order: 0;
  }
  
  .order-1 {
    -ms-flex-order: 1;
    order: 1;
  }
  
  .order-2 {
    -ms-flex-order: 2;
    order: 2;
  }
  
  .order-3 {
    -ms-flex-order: 3;
    order: 3;
  }
  
  .order-4 {
    -ms-flex-order: 4;
    order: 4;
  }
  
  .order-5 {
    -ms-flex-order: 5;
    order: 5;
  }
  
  .order-6 {
    -ms-flex-order: 6;
    order: 6;
  }
  
  .order-7 {
    -ms-flex-order: 7;
    order: 7;
  }
  
  .order-8 {
    -ms-flex-order: 8;
    order: 8;
  }
  
  .order-9 {
    -ms-flex-order: 9;
    order: 9;
  }
  
  .order-10 {
    -ms-flex-order: 10;
    order: 10;
  }
  
  .order-11 {
    -ms-flex-order: 11;
    order: 11;
  }
  
  .order-12 {
    -ms-flex-order: 12;
    order: 12;
  }
  
  .offset-1 {
    margin-left: 8.333333%;
  }
  
  .offset-2 {
    margin-left: 16.666667%;
  }
  
  .offset-3 {
    margin-left: 25%;
  }
  
  .offset-4 {
    margin-left: 33.333333%;
  }
  
  .offset-5 {
    margin-left: 41.666667%;
  }
  
  .offset-6 {
    margin-left: 50%;
  }
  
  .offset-7 {
    margin-left: 58.333333%;
  }
  
  .offset-8 {
    margin-left: 66.666667%;
  }
  
  .offset-9 {
    margin-left: 75%;
  }
  
  .offset-10 {
    margin-left: 83.333333%;
  }
  
  .offset-11 {
    margin-left: 91.666667%;
  }
  


  /* //////////轮播//////////// */

  .carousel {
    position: relative;
  }
  
  .carousel-inner {
    position: relative;
    width: 100%;
    overflow: hidden;
  }
  
  .carousel-item {
    position: relative;
    display: none;
    -ms-flex-align: center;
    align-items: center;
    width: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000px;
    perspective: 1000px;
  }
  
  .carousel-item.active,
  .carousel-item-next,
  .carousel-item-prev {
    display: block;
    transition: -webkit-transform 0.6s ease;
    transition: transform 0.6s ease;
    transition: transform 0.6s ease, -webkit-transform 0.6s ease;
  }
  
  @media screen and (prefers-reduced-motion: reduce) {
    .carousel-item.active,
    .carousel-item-next,
    .carousel-item-prev {
      transition: none;
    }
  }
  
  .carousel-item-next,
  .carousel-item-prev {
    position: absolute;
    top: 0;
  }
  
  .carousel-item-next.carousel-item-left,
  .carousel-item-prev.carousel-item-right {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
  
  @supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) {
    .carousel-item-next.carousel-item-left,
    .carousel-item-prev.carousel-item-right {
      -webkit-transform: translate3d(0, 0, 0);
      transform: translate3d(0, 0, 0);
    }
  }
  
  .carousel-item-next,
  .active.carousel-item-right {
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
  }
  
  @supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) {
    .carousel-item-next,
    .active.carousel-item-right {
      -webkit-transform: translate3d(100%, 0, 0);
      transform: translate3d(100%, 0, 0);
    }
  }
  
  .carousel-item-prev,
  .active.carousel-item-left {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
  
  @supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) {
    .carousel-item-prev,
    .active.carousel-item-left {
      -webkit-transform: translate3d(-100%, 0, 0);
      transform: translate3d(-100%, 0, 0);
    }
  }
  
  .carousel-fade .carousel-item {
    opacity: 0;
    transition-duration: .6s;
    transition-property: opacity;
  }
  
  .carousel-fade .carousel-item.active,
  .carousel-fade .carousel-item-next.carousel-item-left,
  .carousel-fade .carousel-item-prev.carousel-item-right {
    opacity: 1;
  }
  
  .carousel-fade .active.carousel-item-left,
  .carousel-fade .active.carousel-item-right {
    opacity: 0;
  }
  
  .carousel-fade .carousel-item-next,
  .carousel-fade .carousel-item-prev,
  .carousel-fade .carousel-item.active,
  .carousel-fade .active.carousel-item-left,
  .carousel-fade .active.carousel-item-prev {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
  
  @supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) {
    .carousel-fade .carousel-item-next,
    .carousel-fade .carousel-item-prev,
    .carousel-fade .carousel-item.active,
    .carousel-fade .active.carousel-item-left,
    .carousel-fade .active.carousel-item-prev {
      -webkit-transform: translate3d(0, 0, 0);
      transform: translate3d(0, 0, 0);
    }
  }
  
  .carousel-control-prev,
  .carousel-control-next {
    position: absolute;
    top: 0;
    bottom: 0;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    width: 15%;
    color: #fff;
    text-align: center;
    opacity: 0.5;
  }
  
  .carousel-control-prev:hover, .carousel-control-prev:focus,
  .carousel-control-next:hover,
  .carousel-control-next:focus {
    color: #fff;
    text-decoration: none;
    outline: 0;
    opacity: .9;
  }
  
  .carousel-control-prev {
    left: 0;
  }
  
  .carousel-control-next {
    right: 0;
  }
  
  .carousel-control-prev-icon,
  .carousel-control-next-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    background: transparent no-repeat center center;
    background-size: 100% 100%;
  }
  
  .carousel-control-prev-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M5.25 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E");
  }
  
  .carousel-control-next-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M2.75 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E");
  }
  
  .carousel-indicators {
    position: absolute;
    right: 0;
    bottom: 4px;
    left: 0;
    z-index: 15;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: center;
    justify-content: center;
    justify-content: flex-end;
    padding-left: 0;
    margin-right: 4%;
    margin-left: 15%;
    list-style: none;
  }
  
  .carousel-indicators li {
    position: relative;
    -ms-flex: 0 1 auto;
    flex: 0 1 auto;
    width: 30px;
    height: 3px;
    margin-right: 3px;
    margin-left: 3px;
    text-indent: -999px;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.5);
  }
  
  .carousel-indicators li::before {
    position: absolute;
    top: -10px;
    left: 0;
    display: inline-block;
    width: 100%;
    height: 10px;
    content: "";
  }
  
  .carousel-indicators li::after {
    position: absolute;
    bottom: -10px;
    left: 0;
    display: inline-block;
    width: 100%;
    height: 10px;
    content: "";
  }
  
  .carousel-indicators .active {
    background-color: #fff;
  }
  
  .carousel-caption {
    position: absolute;
    right: 0;
    bottom: 4px;
    left: 4%;
    z-index: 10;

    color: #fff;

  }


  /* ////////////flex/////////////// */

  .flex-row {
    -ms-flex-direction: row !important;
    flex-direction: row !important;
  }
  
  .flex-column {
    -ms-flex-direction: column !important;
    flex-direction: column !important;
  }
  
  .flex-row-reverse {
    -ms-flex-direction: row-reverse !important;
    flex-direction: row-reverse !important;
  }
  
  .flex-column-reverse {
    -ms-flex-direction: column-reverse !important;
    flex-direction: column-reverse !important;
  }
  
  .flex-wrap {
    -ms-flex-wrap: wrap !important;
    flex-wrap: wrap !important;
  }
  
  .flex-nowrap {
    -ms-flex-wrap: nowrap !important;
    flex-wrap: nowrap !important;
  }
  
  .flex-wrap-reverse {
    -ms-flex-wrap: wrap-reverse !important;
    flex-wrap: wrap-reverse !important;
  }
  
  .flex-fill {
    -ms-flex: 1 1 auto !important;
    flex: 1 1 auto !important;
  }
  
  .flex-grow-0 {
    -ms-flex-positive: 0 !important;
    flex-grow: 0 !important;
  }
  
  .flex-grow-1 {
    -ms-flex-positive: 1 !important;
    flex-grow: 1 !important;
  }
  
  .flex-shrink-0 {
    -ms-flex-negative: 0 !important;
    flex-shrink: 0 !important;
  }
  
  .flex-shrink-1 {
    -ms-flex-negative: 1 !important;
    flex-shrink: 1 !important;
  }
  
  .justify-content-start {
    -ms-flex-pack: start !important;
    justify-content: flex-start !important;
  }
  
  .justify-content-end {
    -ms-flex-pack: end !important;
    justify-content: flex-end !important;
  }
  
  .justify-content-center {
    -ms-flex-pack: center !important;
    justify-content: center !important;
  }
  
  .justify-content-between {
    -ms-flex-pack: justify !important;
    justify-content: space-between !important;
  }
  
  .justify-content-around {
    -ms-flex-pack: distribute !important;
    justify-content: space-around !important;
  }
  
  .align-items-start {
    -ms-flex-align: start !important;
    align-items: flex-start !important;
  }
  
  .align-items-end {
    -ms-flex-align: end !important;
    align-items: flex-end !important;
  }
  
  .align-items-center {
    -ms-flex-align: center !important;
    align-items: center !important;
  }
  
  .align-items-baseline {
    -ms-flex-align: baseline !important;
    align-items: baseline !important;
  }
  
  .align-items-stretch {
    -ms-flex-align: stretch !important;
    align-items: stretch !important;
  }
  
  .align-content-start {
    -ms-flex-line-pack: start !important;
    align-content: flex-start !important;
  }
  
  .align-content-end {
    -ms-flex-line-pack: end !important;
    align-content: flex-end !important;
  }
  
  .align-content-center {
    -ms-flex-line-pack: center !important;
    align-content: center !important;
  }
  
  .align-content-between {
    -ms-flex-line-pack: justify !important;
    align-content: space-between !important;
  }
  
  .align-content-around {
    -ms-flex-line-pack: distribute !important;
    align-content: space-around !important;
  }
  
  .align-content-stretch {
    -ms-flex-line-pack: stretch !important;
    align-content: stretch !important;
  }
  
  .align-self-auto {
    -ms-flex-item-align: auto !important;
    align-self: auto !important;
  }
  
  .align-self-start {
    -ms-flex-item-align: start !important;
    align-self: flex-start !important;
  }
  
  .align-self-end {
    -ms-flex-item-align: end !important;
    align-self: flex-end !important;
  }
  
  .align-self-center {
    -ms-flex-item-align: center !important;
    align-self: center !important;
  }
  
  .align-self-baseline {
    -ms-flex-item-align: baseline !important;
    align-self: baseline !important;
  }
  
  .align-self-stretch {
    -ms-flex-item-align: stretch !important;
    align-self: stretch !important;
  }
  

/* /////面包屑导航////// */

.breadcrumb {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  list-style: none;
  background-color: #f3f3f3;
  border-radius: 0.25rem;
}

.breadcrumb-item + .breadcrumb-item {
  padding-left: 0.5rem;
}

.breadcrumb-item + .breadcrumb-item::before {
  display: inline-block;
  padding-right: 0.5rem;
  color: #6c757d;
  content: "/";
}

.breadcrumb-item + .breadcrumb-item:hover::before {
  text-decoration: underline;
}

.breadcrumb-item + .breadcrumb-item:hover::before {
  text-decoration: none;
}

.breadcrumb-item.active {
  color: #6c757d;
}


/* ////////////分页//////////// */

.pagination {
  display: -ms-flexbox;
  display: flex;
  padding-left: 0;
  list-style: none;
  border-radius: 0.25rem;
}

.page-link {
  position: relative;
  display: block;
  padding: 0.5rem 0.75rem;
  margin-left: -1px;
  line-height: 1.25;
  color: #007bff;
  background-color: #fff;
  border: 1px solid #dee2e6;
}

.page-link:hover {
  z-index: 2;
  color: #0056b3;
  text-decoration: none;
  background-color: #e9ecef;
  border-color: #dee2e6;
}

.page-link:focus {
  z-index: 2;
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.page-link:not(:disabled):not(.disabled) {
  cursor: pointer;
}

.page-item:first-child .page-link {
  margin-left: 0;
  border-top-left-radius: 0.25rem;
  border-bottom-left-radius: 0.25rem;
}

.page-item:last-child .page-link {
  border-top-right-radius: 0.25rem;
  border-bottom-right-radius: 0.25rem;
}

.page-item.active .page-link {
  z-index: 1;
  color: #fff;
  background-color: #007bff;
  border-color: #007bff;
}

.page-item.disabled .page-link {
  color: #6c757d;
  pointer-events: none;
  cursor: auto;
  background-color: #fff;
  border-color: #dee2e6;
}

.pagination-lg .page-link {
  padding: 0.75rem 1.5rem;
  font-size: 1.25rem;
  line-height: 1.5;
}

.pagination-lg .page-item:first-child .page-link {
  border-top-left-radius: 0.3rem;
  border-bottom-left-radius: 0.3rem;
}

.pagination-lg .page-item:last-child .page-link {
  border-top-right-radius: 0.3rem;
  border-bottom-right-radius: 0.3rem;
}

.pagination-sm .page-link {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
}

.pagination-sm .page-item:first-child .page-link {
  border-top-left-radius: 0.2rem;
  border-bottom-left-radius: 0.2rem;
}

.pagination-sm .page-item:last-child .page-link {
  border-top-right-radius: 0.2rem;
  border-bottom-right-radius: 0.2rem;
}