@charset "UTF-8";
/*!
    Important comments included in minified output.
    http://www.bocweb.cn/
    2018-01-16
    ©2018 博采网络 ALL RIGHTS RESERVED. 博采网络
*/
button{
  outline: none !important;
}
input:-moz-placeholder,
textarea:-moz-placeholder {
  color: #ccc;
}

input::-moz-placeholder,
textarea::-moz-placeholder {
  color: #ccc;
}

input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
  color: #ccc;
}
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
  color: #ccc;
}
html {
  font-size: 10px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-size: 14px;
  line-height: 1.42857143;
}
/*使用内边距*/
* {
  box-sizing: border-box;
}

:after,
:before {
  box-sizing: border-box;
}
.text-left{
  text-align: left;
}
.text-right{
  text-align: right;
}

.text-center{
  text-align: center;
}

.text-justif{
  text-align: justify;
}
.text-nowrap{
  white-space: nowrap;
}
.text-lowercase{
  text-transform: lowercase;
}
.text-uppercase {
  text-transform: uppercase;
}
.text-capitalize {
  text-transform: capitalize;
}
.text-bold{
    font-weight:bold;
}
/*使用内边距*/
.container {
  margin-right: auto;
  margin-left: auto;
}

@media (max-width: 991px) {
  .container {
    padding-left: 15px;
    padding-right: 15px;
  }
}
@media (min-width: 992px) {
  .container {
    width: 970px;
  }
}
@media (min-width: 1200px) {
  .container {
    width: 1170px;
  }
}
@media (min-width: 1440px) {
  .container {
    width: 1400px;
  }
}
.col-lg-1,
.col-lg-10,
.col-lg-11,
.col-lg-12,
.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-md-1,
.col-md-10,
.col-md-11,
.col-md-12,
.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-sm-1,
.col-sm-10,
.col-sm-11,
.col-sm-12,
.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-xs-1,
.col-xs-10,
.col-xs-11,
.col-xs-12,
.col-xs-2,
.col-xs-3,
.col-xs-4,
.col-xs-5,
.col-xs-6,
.col-xs-7,
.col-xs-8,
.col-xs-9 {
  position: relative;
  min-height: 1px;
  padding-left: 15px;
  padding-right: 15px;
}

.col-xs-1,
.col-xs-10,
.col-xs-11,
.col-xs-12,
.col-xs-2,
.col-xs-3,
.col-xs-4,
.col-xs-5,
.col-xs-6,
.col-xs-7,
.col-xs-8,
.col-xs-9 {
  float: left;
}

.col-xs-12 {
  width: 100%;
}

.col-xs-11 {
  width: 91.66666667%;
}

.col-xs-10 {
  width: 83.33333333%;
}

.col-xs-9 {
  width: 75%;
}

.col-xs-8 {
  width: 66.66666667%;
}

.col-xs-7 {
  width: 58.33333333%;
}

.col-xs-6 {
  width: 50%;
}

.col-xs-5 {
  width: 41.66666667%;
}

.col-xs-4 {
  width: 33.33333333%;
}

.col-xs-3 {
  width: 25%;
}

.col-xs-2 {
  width: 16.66666667%;
}

.col-xs-1 {
  width: 8.33333333%;
}

.col-xs-pull-12 {
  right: 100%;
}

.col-xs-pull-11 {
  right: 91.66666667%;
}

.col-xs-pull-10 {
  right: 83.33333333%;
}

.col-xs-pull-9 {
  right: 75%;
}

.col-xs-pull-8 {
  right: 66.66666667%;
}

.col-xs-pull-7 {
  right: 58.33333333%;
}

.col-xs-pull-6 {
  right: 50%;
}

.col-xs-pull-5 {
  right: 41.66666667%;
}

.col-xs-pull-4 {
  right: 33.33333333%;
}

.col-xs-pull-3 {
  right: 25%;
}

.col-xs-pull-2 {
  right: 16.66666667%;
}

.col-xs-pull-1 {
  right: 8.33333333%;
}

.col-xs-pull-0 {
  right: auto;
}

.col-xs-push-12 {
  left: 100%;
}

.col-xs-push-11 {
  left: 91.66666667%;
}

.col-xs-push-10 {
  left: 83.33333333%;
}

.col-xs-push-9 {
  left: 75%;
}

.col-xs-push-8 {
  left: 66.66666667%;
}

.col-xs-push-7 {
  left: 58.33333333%;
}

.col-xs-push-6 {
  left: 50%;
}

.col-xs-push-5 {
  left: 41.66666667%;
}

.col-xs-push-4 {
  left: 33.33333333%;
}

.col-xs-push-3 {
  left: 25%;
}

.col-xs-push-2 {
  left: 16.66666667%;
}

.col-xs-push-1 {
  left: 8.33333333%;
}

.col-xs-push-0 {
  left: auto;
}

.col-xs-offset-12 {
  margin-left: 100%;
}

.col-xs-offset-11 {
  margin-left: 91.66666667%;
}

.col-xs-offset-10 {
  margin-left: 83.33333333%;
}

.col-xs-offset-9 {
  margin-left: 75%;
}

.col-xs-offset-8 {
  margin-left: 66.66666667%;
}

.col-xs-offset-7 {
  margin-left: 58.33333333%;
}

.col-xs-offset-6 {
  margin-left: 50%;
}

.col-xs-offset-5 {
  margin-left: 41.66666667%;
}

.col-xs-offset-4 {
  margin-left: 33.33333333%;
}

.col-xs-offset-3 {
  margin-left: 25%;
}

.col-xs-offset-2 {
  margin-left: 16.66666667%;
}

.col-xs-offset-1 {
  margin-left: 8.33333333%;
}

.col-xs-offset-0 {
  margin-left: 0;
}

@media (min-width: 768px) {
  .col-sm-1,
  .col-sm-10,
  .col-sm-11,
  .col-sm-12,
  .col-sm-2,
  .col-sm-3,
  .col-sm-4,
  .col-sm-5,
  .col-sm-6,
  .col-sm-7,
  .col-sm-8,
  .col-sm-9 {
    float: left;
  }

  .col-sm-12 {
    width: 100%;
  }

  .col-sm-11 {
    width: 91.66666667%;
  }

  .col-sm-10 {
    width: 83.33333333%;
  }

  .col-sm-9 {
    width: 75%;
  }

  .col-sm-8 {
    width: 66.66666667%;
  }

  .col-sm-7 {
    width: 58.33333333%;
  }

  .col-sm-6 {
    width: 50%;
  }

  .col-sm-5 {
    width: 41.66666667%;
  }

  .col-sm-4 {
    width: 33.33333333%;
  }

  .col-sm-3 {
    width: 25%;
  }

  .col-sm-2 {
    width: 16.66666667%;
  }

  .col-sm-1 {
    width: 8.33333333%;
  }

  .col-sm-pull-12 {
    right: 100%;
  }

  .col-sm-pull-11 {
    right: 91.66666667%;
  }

  .col-sm-pull-10 {
    right: 83.33333333%;
  }

  .col-sm-pull-9 {
    right: 75%;
  }

  .col-sm-pull-8 {
    right: 66.66666667%;
  }

  .col-sm-pull-7 {
    right: 58.33333333%;
  }

  .col-sm-pull-6 {
    right: 50%;
  }

  .col-sm-pull-5 {
    right: 41.66666667%;
  }

  .col-sm-pull-4 {
    right: 33.33333333%;
  }

  .col-sm-pull-3 {
    right: 25%;
  }

  .col-sm-pull-2 {
    right: 16.66666667%;
  }

  .col-sm-pull-1 {
    right: 8.33333333%;
  }

  .col-sm-pull-0 {
    right: auto;
  }

  .col-sm-push-12 {
    left: 100%;
  }

  .col-sm-push-11 {
    left: 91.66666667%;
  }

  .col-sm-push-10 {
    left: 83.33333333%;
  }

  .col-sm-push-9 {
    left: 75%;
  }

  .col-sm-push-8 {
    left: 66.66666667%;
  }

  .col-sm-push-7 {
    left: 58.33333333%;
  }

  .col-sm-push-6 {
    left: 50%;
  }

  .col-sm-push-5 {
    left: 41.66666667%;
  }

  .col-sm-push-4 {
    left: 33.33333333%;
  }

  .col-sm-push-3 {
    left: 25%;
  }

  .col-sm-push-2 {
    left: 16.66666667%;
  }

  .col-sm-push-1 {
    left: 8.33333333%;
  }

  .col-sm-push-0 {
    left: auto;
  }

  .col-sm-offset-12 {
    margin-left: 100%;
  }

  .col-sm-offset-11 {
    margin-left: 91.66666667%;
  }

  .col-sm-offset-10 {
    margin-left: 83.33333333%;
  }

  .col-sm-offset-9 {
    margin-left: 75%;
  }

  .col-sm-offset-8 {
    margin-left: 66.66666667%;
  }

  .col-sm-offset-7 {
    margin-left: 58.33333333%;
  }

  .col-sm-offset-6 {
    margin-left: 50%;
  }

  .col-sm-offset-5 {
    margin-left: 41.66666667%;
  }

  .col-sm-offset-4 {
    margin-left: 33.33333333%;
  }

  .col-sm-offset-3 {
    margin-left: 25%;
  }

  .col-sm-offset-2 {
    margin-left: 16.66666667%;
  }

  .col-sm-offset-1 {
    margin-left: 8.33333333%;
  }

  .col-sm-offset-0 {
    margin-left: 0;
  }
}
@media (min-width: 992px) {
  .col-md-1,
  .col-md-10,
  .col-md-11,
  .col-md-12,
  .col-md-2,
  .col-md-3,
  .col-md-4,
  .col-md-5,
  .col-md-6,
  .col-md-7,
  .col-md-8,
  .col-md-9 {
    float: left;
  }

  .col-md-12 {
    width: 100%;
  }

  .col-md-11 {
    width: 91.66666667%;
  }

  .col-md-10 {
    width: 83.33333333%;
  }

  .col-md-9 {
    width: 75%;
  }

  .col-md-8 {
    width: 66.66666667%;
  }

  .col-md-7 {
    width: 58.33333333%;
  }

  .col-md-6 {
    width: 50%;
  }

  .col-md-5 {
    width: 41.66666667%;
  }

  .col-md-4 {
    width: 33.33333333%;
  }

  .col-md-3 {
    width: 25%;
  }

  .col-md-2 {
    width: 16.66666667%;
  }

  .col-md-1 {
    width: 8.33333333%;
  }

  .col-md-pull-12 {
    right: 100%;
  }

  .col-md-pull-11 {
    right: 91.66666667%;
  }

  .col-md-pull-10 {
    right: 83.33333333%;
  }

  .col-md-pull-9 {
    right: 75%;
  }

  .col-md-pull-8 {
    right: 66.66666667%;
  }

  .col-md-pull-7 {
    right: 58.33333333%;
  }

  .col-md-pull-6 {
    right: 50%;
  }

  .col-md-pull-5 {
    right: 41.66666667%;
  }

  .col-md-pull-4 {
    right: 33.33333333%;
  }

  .col-md-pull-3 {
    right: 25%;
  }

  .col-md-pull-2 {
    right: 16.66666667%;
  }

  .col-md-pull-1 {
    right: 8.33333333%;
  }

  .col-md-pull-0 {
    right: auto;
  }

  .col-md-push-12 {
    left: 100%;
  }

  .col-md-push-11 {
    left: 91.66666667%;
  }

  .col-md-push-10 {
    left: 83.33333333%;
  }

  .col-md-push-9 {
    left: 75%;
  }

  .col-md-push-8 {
    left: 66.66666667%;
  }

  .col-md-push-7 {
    left: 58.33333333%;
  }

  .col-md-push-6 {
    left: 50%;
  }

  .col-md-push-5 {
    left: 41.66666667%;
  }

  .col-md-push-4 {
    left: 33.33333333%;
  }

  .col-md-push-3 {
    left: 25%;
  }

  .col-md-push-2 {
    left: 16.66666667%;
  }

  .col-md-push-1 {
    left: 8.33333333%;
  }

  .col-md-push-0 {
    left: auto;
  }

  .col-md-offset-12 {
    margin-left: 100%;
  }

  .col-md-offset-11 {
    margin-left: 91.66666667%;
  }

  .col-md-offset-10 {
    margin-left: 83.33333333%;
  }

  .col-md-offset-9 {
    margin-left: 75%;
  }

  .col-md-offset-8 {
    margin-left: 66.66666667%;
  }

  .col-md-offset-7 {
    margin-left: 58.33333333%;
  }

  .col-md-offset-6 {
    margin-left: 50%;
  }

  .col-md-offset-5 {
    margin-left: 41.66666667%;
  }

  .col-md-offset-4 {
    margin-left: 33.33333333%;
  }

  .col-md-offset-3 {
    margin-left: 25%;
  }

  .col-md-offset-2 {
    margin-left: 16.66666667%;
  }

  .col-md-offset-1 {
    margin-left: 8.33333333%;
  }

  .col-md-offset-0 {
    margin-left: 0;
  }
}
@media (min-width: 1200px) {
  .col-lg-1,
  .col-lg-10,
  .col-lg-11,
  .col-lg-12,
  .col-lg-2,
  .col-lg-3,
  .col-lg-4,
  .col-lg-5,
  .col-lg-6,
  .col-lg-7,
  .col-lg-8,
  .col-lg-9 {
    float: left;
  }

  .col-lg-12 {
    width: 100%;
  }

  .col-lg-11 {
    width: 91.66666667%;
  }

  .col-lg-10 {
    width: 83.33333333%;
  }

  .col-lg-9 {
    width: 75%;
  }

  .col-lg-8 {
    width: 66.66666667%;
  }

  .col-lg-7 {
    width: 58.33333333%;
  }

  .col-lg-6 {
    width: 50%;
  }

  .col-lg-5 {
    width: 41.66666667%;
  }

  .col-lg-4 {
    width: 33.33333333%;
  }

  .col-lg-3 {
    width: 25%;
  }

  .col-lg-2 {
    width: 16.66666667%;
  }

  .col-lg-1 {
    width: 8.33333333%;
  }

  .col-lg-pull-12 {
    right: 100%;
  }

  .col-lg-pull-11 {
    right: 91.66666667%;
  }

  .col-lg-pull-10 {
    right: 83.33333333%;
  }

  .col-lg-pull-9 {
    right: 75%;
  }

  .col-lg-pull-8 {
    right: 66.66666667%;
  }

  .col-lg-pull-7 {
    right: 58.33333333%;
  }

  .col-lg-pull-6 {
    right: 50%;
  }

  .col-lg-pull-5 {
    right: 41.66666667%;
  }

  .col-lg-pull-4 {
    right: 33.33333333%;
  }

  .col-lg-pull-3 {
    right: 25%;
  }

  .col-lg-pull-2 {
    right: 16.66666667%;
  }

  .col-lg-pull-1 {
    right: 8.33333333%;
  }

  .col-lg-pull-0 {
    right: auto;
  }

  .col-lg-push-12 {
    left: 100%;
  }

  .col-lg-push-11 {
    left: 91.66666667%;
  }

  .col-lg-push-10 {
    left: 83.33333333%;
  }

  .col-lg-push-9 {
    left: 75%;
  }

  .col-lg-push-8 {
    left: 66.66666667%;
  }

  .col-lg-push-7 {
    left: 58.33333333%;
  }

  .col-lg-push-6 {
    left: 50%;
  }

  .col-lg-push-5 {
    left: 41.66666667%;
  }

  .col-lg-push-4 {
    left: 33.33333333%;
  }

  .col-lg-push-3 {
    left: 25%;
  }

  .col-lg-push-2 {
    left: 16.66666667%;
  }

  .col-lg-push-1 {
    left: 8.33333333%;
  }

  .col-lg-push-0 {
    left: auto;
  }

  .col-lg-offset-12 {
    margin-left: 100%;
  }

  .col-lg-offset-11 {
    margin-left: 91.66666667%;
  }

  .col-lg-offset-10 {
    margin-left: 83.33333333%;
  }

  .col-lg-offset-9 {
    margin-left: 75%;
  }

  .col-lg-offset-8 {
    margin-left: 66.66666667%;
  }

  .col-lg-offset-7 {
    margin-left: 58.33333333%;
  }

  .col-lg-offset-6 {
    margin-left: 50%;
  }

  .col-lg-offset-5 {
    margin-left: 41.66666667%;
  }

  .col-lg-offset-4 {
    margin-left: 33.33333333%;
  }

  .col-lg-offset-3 {
    margin-left: 25%;
  }

  .col-lg-offset-2 {
    margin-left: 16.66666667%;
  }

  .col-lg-offset-1 {
    margin-left: 8.33333333%;
  }

  .col-lg-offset-0 {
    margin-left: 0;
  }
}

.visible-lg,
.visible-md,
.visible-sm,
.visible-xs {
  display: none !important;
}

.visible-lg-block,
.visible-lg-inline,
.visible-lg-inline-block,
.visible-md-block,
.visible-md-inline,
.visible-md-inline-block,
.visible-sm-block,
.visible-sm-inline,
.visible-sm-inline-block,
.visible-xs-block,
.visible-xs-inline,
.visible-xs-inline-block {
  display: none !important;
}

@media (max-width: 767px) {
  .visible-xs {
    display: block !important;
  }

  table.visible-xs {
    display: table !important;
  }

  tr.visible-xs {
    display: table-row !important;
  }

  td.visible-xs,
  th.visible-xs {
    display: table-cell !important;
  }
}
@media (max-width: 767px) {
  .visible-xs-block {
    display: block !important;
  }
}
@media (max-width: 767px) {
  .visible-xs-inline {
    display: inline !important;
  }
}
@media (max-width: 767px) {
  .visible-xs-inline-block {
    display: inline-block !important;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .visible-sm {
    display: block !important;
  }

  table.visible-sm {
    display: table !important;
  }

  tr.visible-sm {
    display: table-row !important;
  }

  td.visible-sm,
  th.visible-sm {
    display: table-cell !important;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .visible-sm-block {
    display: block !important;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .visible-sm-inline {
    display: inline !important;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .visible-sm-inline-block {
    display: inline-block !important;
  }
}
@media (min-width: 992px) and (max-width: 1199px) {
  .visible-md {
    display: block !important;
  }

  table.visible-md {
    display: table !important;
  }

  tr.visible-md {
    display: table-row !important;
  }

  td.visible-md,
  th.visible-md {
    display: table-cell !important;
  }
}
@media (min-width: 992px) and (max-width: 1199px) {
  .visible-md-block {
    display: block !important;
  }
}
@media (min-width: 992px) and (max-width: 1199px) {
  .visible-md-inline {
    display: inline !important;
  }
}
@media (min-width: 992px) and (max-width: 1199px) {
  .visible-md-inline-block {
    display: inline-block !important;
  }
}
@media (min-width: 1200px) {
  .visible-lg {
    display: block !important;
  }

  table.visible-lg {
    display: table !important;
  }

  tr.visible-lg {
    display: table-row !important;
  }

  td.visible-lg,
  th.visible-lg {
    display: table-cell !important;
  }
}
@media (min-width: 1200px) {
  .visible-lg-block {
    display: block !important;
  }
}
@media (min-width: 1200px) {
  .visible-lg-inline {
    display: inline !important;
  }
}
@media (min-width: 1200px) {
  .visible-lg-inline-block {
    display: inline-block !important;
  }
}
@media (max-width: 767px) {
  .hidden-xs {
    display: none !important;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .hidden-sm {
    display: none !important;
  }
}
@media (min-width: 992px) and (max-width: 1199px) {
  .hidden-md {
    display: none !important;
  }
}
@media (min-width: 1200px) {
  .hidden-lg {
    display: none !important;
  }
}

/*手机上a链接有黑色透明底怎么去掉
给a加这个样式*/
a {
  -webkit-tap-highlight-color: rgba(255, 0, 0, 0);
}
select,input{
  outline: none;
}
/*ie 去掉自带关闭*/
.n-order input::-ms-clear {
  display: none;
}

/*loading 4个小点加载引用*/
#loading1 {
  position: fixed;
  left: 0;
  top: 0;
  background: #000;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

#loading .dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 20px;
  top: 50%;
  background-color: #0097FB;
  -webkit-transform: translate(0, -50%);
  -ms-transform: translate(0, -50%);
      transform: translate(0, -50%);
  -webkit-animation: 3s linear loader infinite;
  animation: 3s linear loader infinite;
}

#loading .dot:nth-of-type(1) {
  left: 0px;
}

#loading .dot:nth-of-type(2) {
  left: -10px;
  -webkit-animation-delay: 0.15s;
  animation-delay: 0.15s;
}

#loading .dot:nth-of-type(3) {
  left: -20px;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}

#loading .dot:nth-of-type(4) {
  left: -30px;
  -webkit-animation-delay: 0.45s;
  animation-delay: 0.45s;
}

#loading .dot:nth-of-type(5) {
  left: -40px;
  -webkit-animation-delay: 0.60s;
  animation-delay: 0.60s;
}

#loading1.closed {
  /*opacity: 0;
  -webkit-transition: opacity .5s;
  -o-transition: opacity .5s;
  transition: opacity .5s;*/
  display: none;
}

@-webkit-keyframes loader {
  0%,
  20% {
    -webkit-transform: translate(0, -50%);
    transform: translate(0, -50%);
    opacity: 0;
  }
  35% {
    -webkit-transform: translate(45vw, -50%);
    transform: translate(45vw, -50%);
    opacity: 1;
  }
  65% {
    -webkit-transform: translate(55vw, -50%);
    transform: translate(55vw, -50%);
    opacity: 1;
  }
  80%,
  100% {
    -webkit-transform: translate(100vw, -50%);
    transform: translate(100vw, -50%);
    opacity: 0;
  }
}

@keyframes loader {
  0%,
  20% {
    -webkit-transform: translate(0, -50%);
    transform: translate(0, -50%);
    opacity: 0;
  }
  35% {
    -webkit-transform: translate(45vw, -50%);
    transform: translate(45vw, -50%);
    opacity: 1;
  }
  65% {
    -webkit-transform: translate(55vw, -50%);
    transform: translate(55vw, -50%);
    opacity: 1;
  }
  80%,
  100% {
    -webkit-transform: translate(100vw, -50%);
    transform: translate(100vw, -50%);
    opacity: 0;
  }
}
/*@keyframes fadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}*/
/*一行省略
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;

多行省略
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 3;
overflow: hidden;

垂直居中
div{display:table-cell; width:550px; height:1.14em; padding:0 0.1em; border:4px solid #beceeb; color:#069; font-size:10em; vertical-align:middle;}
span{display:inline-block; font-size:0.1em; vertical-align:middle;}*/
/*$color:green;//全局变量
$width:200px;//全局变量
$height:200px;//全局变量
body {
    background-color:$color;//调用全局变量
}
div {
    $color:yellow;//定义局部变量，全局变量$color的影子
    .div {
    background-color:$color;//调用局部变量
    width:$width;//调用全局变量
    height:$height;//调用全局变量
    }
}*/
/*第二种：.triangle-up {    
width:0;    
height:0;   
border:30px solid transparent;    
border-bottom-color:#fff;
}
接下来写向下的三角形，继续在css文件中输入以下代码：
.triangle-down {   
width:0;   
height:0;   
border-left:20px solid transparent;   
border-right:20px solid transparent;   
border-top:20px solid #0066cc;
}
然后是向左的三角形，代码为：
.triangle-left {   
width:0;   
height:0;   
border-top:30px solid transparent;   
border-bottom:30px solid transparent;   
border-right:30px solid yellow;
}
6
最后是向右的三角形，代码为：
.triangle-right {   
width:0;   
height:0;   
border-top:50px solid transparent;   
border-bottom: 50px solid transparent;   
border-left: 50px solid green;
}*/
.backtop {
  position: fixed;
  bottom: 30px;
  right: 3%;
  background-color: rgba(255, 255, 255, 0.9);
  fill: #222;
  cursor: pointer;
  -webkit-transition: all 0.7s cubic-bezier(0.23, 1, 0.32, 1);
  transition: all 0.7s cubic-bezier(0.23, 1, 0.32, 1);
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  height: 46px;
  padding: 0;
  margin: 0;
  width: 46px;
  border-radius: 50%;
  z-index: 9;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.1);
  -webkit-transform: scale(0, 0);
      -ms-transform: scale(0, 0);
          transform: scale(0, 0);
  opacity: 0;
  -webkit-transform: translate(0, 50px);
      -ms-transform: translate(0, 50px);
          transform: translate(0, 50px);
  -webkit-transition: all .6s ease;
  transition: all .6s ease;
}

.backtop svg {
  height: 20px;
  width: 20px;
  position: relative;
  display: block;
  margin: 0 auto;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}

.backtop.active {
  -webkit-transform: scale(1, 1);
      -ms-transform: scale(1, 1);
          transform: scale(1, 1);
  -webkit-transform: translate(0, 0);
      -ms-transform: translate(0, 0);
          transform: translate(0, 0);
  opacity: 1;
}

/*网站单位设置*/

@media (min-width: 768px) {
  html {
    font-size: 14px !important;
  }
}

@media (min-width: 1024px) {
  html {
    /*font-size: 16px !important;*/
    font-size: 25px !important;
  }
}
@media (min-width: 1281px) {
  html {
    /*font-size: 20px !important;*/
    font-size: 30px !important;
  }
}
@media (min-width: 1481px) {
  html {
    /*font-size: 30px !important;*/
    font-size: 35px !important;
  }
}
@media (min-width: 1680px) {
  html {
    font-size: 40px !important;
  }
}
/*# sourceMappingURL=rem_reset.css.map */