#column-1 {
 margin-bottom: 64px;
}

.index-title>h1 {
 font-size: 30px;
 line-height: 40px;
 color: #000;
 font-weight: bold;
 text-align: center;
 margin: 0 0 10px;
 letter-spacing: 1.5px;
}

.index-title .tips {
 font-size: 14px;
 line-height: 24px;
 color: #999;
 text-align: center;
 margin-bottom: 25px;
}

/* 首页轮播-s */
.slide-banner {
 overflow: hidden;
 position: relative;
 border: 1px solid #ddd;
}

.slide-banner .hd {
 height: 2px;
 overflow: hidden;
 position: absolute;
 left: 50%;
 transform: translateX(-50%);
 bottom: 10px;
 z-index: 1;
}

.slide-banner .hd ul {
 overflow: hidden;
 zoom: 1;
 float: left;
}

.slide-banner .hd ul li {
 float: left;
 margin-right: 6px;
 width: 30px;
 height: 2px;
 line-height: 2px;
 text-align: center;
 background-color: rgba(255, 255, 255, .2);
 cursor: pointer;
}

.slide-banner .hd ul li.on {
 background: #fff;
 color: #fff;
}

.slide-banner .bd {
 position: relative;
 height: 100%;
 z-index: 0;
}

.slide-banner .bd li {
 zoom: 1;
 vertical-align: middle;
}

.slide-banner .bd li a {
 display: block;
}

.slide-banner .bd img {
 max-width: 100%;
 height: auto;
 display: block;
}

.slide-banner .prev,
.slide-banner .next {
 position: absolute;
 left: 3%;
 top: 50%;
 margin-top: -25px;
 display: block;
 width: 32px;
 height: 40px;
 background: url('https://bdn.135editor.com/files/201906/slider-arrow.png') -110px 5px no-repeat;
 filter: alpha(opacity=50);
 opacity: 0.5;
}

.slide-banner .next {
 left: auto;
 right: 3%;
 background-position: 8px 5px;
}

.slide-banner .prev:hover,
.slide-banner .next:hover {
 filter: alpha(opacity=100);
 opacity: 1;
}

.slide-banner .prevStop {
 display: none;
}

.slide-banner .nextStop {
 display: none;
}

/* 首页轮播-e */
.banner-column {
 text-align: center;
 padding-top: 25px;
}

.banner-msg {
 display: inline-block;
 margin: 0 auto;
 padding: 0 30px;
 height: 41px;
 line-height: 41px;
 font-size: 14px;
 color: #8F6A3E;
 background-color: #FFF7E7;
 border: 1px solid #ecddbe;
 border-radius: 20px;
 box-shadow: 0px 3px 13px #4e4d4c1c;
 letter-spacing: 1px;
 font-weight: 700;
}

.banner-msg a {
 margin-left: 20px;
 color: #cfa758;
 font-weight: 700;
 padding: 0 30px;
 border-radius: 20px;
 line-height: 28px;
 background-color: #F9E0AF;
 display: inline-block;
 transition: all .5s;
 position: relative;
 overflow: hidden;
 vertical-align: middle;
}

.banner-msg a:hover {
 transform: scale(1.2);
}

.special_effects_1 {
 position: absolute;
 left: 10px;
 top: -35px;
 pointer-events: none;
 background-color: #fff;
 -webkit-border-radius: 100%;
 -moz-border-radius: 100%;
 -o-border-radius: 100%;
 -ms-border-radius: 100%;
 border-radius: 100%;
 -webkit-animation-fill-mode: both;
 -moz-animation-fill-mode: both;
 -ms-animation-fill-mode: both;
 -o-animation-fill-mode: both;
 animation-fill-mode: both;
 width: 100px;
 height: 100px;
 -webkit-animation: ball-scale 1s 0s ease-in-out infinite;
 -moz-animation: ball-scale 1s 0s ease-in-out infinite;
 -ms-animation: ball-scale 1s 0s ease-in-out infinite;
 -o-animation: ball-scale 1s 0s ease-in-out infinite;
 animation: ball-scale 1s 0s ease-in-out infinite;
}

@-webkit-keyframes ball-scale {
 0% {
  -webkit-transform: scale(0);
  transform: scale(0)
 }

 100% {
  -webkit-transform: scale(1);
  transform: scale(1);
  opacity: 0
 }
}

@keyframes ball-scale {
 0% {
  -webkit-transform: scale(0);
  transform: scale(0)
 }

 100% {
  -webkit-transform: scale(1);
  transform: scale(1);
  opacity: 0
 }
}

.column {
 padding-bottom: 40px;
}

.column-title {
 overflow: hidden;
 margin-bottom: 35px;
}

.column-title h2 {
 font-size: 30px;
 line-height: 30px;
 font-weight: bold;
 color: #000;
 display: inline-block;
 margin-right: 30px;
 vertical-align: middle;
}

.column-title .tips {
 font-size: 16px;
 color: #666;
 display: inline-block;
 vertical-align: middle;
}

.column-title a {
 font-size: 16px;
 color: #666;
 float: right;
 line-height: 36px;
}

.column-title a:hover {
 text-decoration: underline;
}

.column-common .column-box {
 transition: all .2s;
 background-color: #fff;
 color: #000;
 overflow: hidden;
 margin-bottom: 30px;
}

.column-common .column-box:hover {
 box-shadow: 0 10px 15px #3333331f;
 transform: translateY(-5px);
}

.column-common .column-box-1 {
 position: relative;
 margin-bottom: 10px;
}

.column-common .column-box-1 img {
 width: 270px;
}

.column-common .column-box-1 .column-box-tag {
 position: absolute;
 right: 0;
 top: 0;
 padding: 0 12px;
 height: 22px;
 line-height: 22px;
 font-size: 12px;
 color: #fff;
 background-color: red;
 max-width: 250px;
 overflow: hidden;
 white-space: nowrap;
 text-overflow: ellipsis;
}

.column-common .column-box-2,
.column-common .column-box-3,
.column-common .column-box-4 {
 padding: 0 12px;
}

.column-common .column-box-2 {
 text-overflow: -o-ellipsis-lastline;
 overflow: hidden;
 text-overflow: ellipsis;
 display: -webkit-box;
 -webkit-line-clamp: 2;
 line-clamp: 2;
 -webkit-box-orient: vertical;
 height: 48px;
 line-height: 24px;
 font-size: 16px;
 margin-bottom: 15px;
}

.column-common .column-box-3 {
 overflow: hidden;
 text-overflow: ellipsis;
 white-space: nowrap;
 font-size: 14px;
 color: #999;
 margin-bottom: 15px;
 min-height: 21px;
 line-height: 21px;
}

.column-common .column-box-4 {
 margin-bottom: 15px;
}

.column-common .column-box-4 .column-box-discount-price {
 font-size: 24px;
 color: red;
}

.column-common .column-box-4 .column-box-discount-price.vip-years {
 font-size: 18px;
 color: #dec085;
 font-weight: bold;
}

.column-common .column-box-4 .column-box-price {
 margin-left: 10px;
 font-size: 14px;
 color: #aaa;
 text-decoration: line-through;
}

#column-2 .box {
 display: flex;
 justify-content: start;
 align-items: start;
}

#column-2 .left {
 margin-right: 15px;
}

#column-2 .right {}

#column-2 .right .t1 {
 font-size: 21px;
 line-height: 31px;
 color: #000;
 margin-bottom: 2px;
}

#column-2 .right .t2 {
 font-size: 15px;
 line-height: 25px;
 color: #999;
}

#column-2 .course-box {
 display: flex;
 justify-content: space-between;
 padding-top: 35px;
}

#column-2 .course-item:hover .course-cover {
 display: none;
}

#column-2 .course-item:hover .course-desc {
 display: block;
}

#column-2 .course-item:nth-child(1) {
 background-image: url('https://bdn.135editor.com/files/201905/course-bg1.jpg');
}

#column-2 .course-item:nth-child(2) {
 background-image: url('https://bdn.135editor.com/files/202008/e988bc4034d8e236c07334b9be13639d.png');
}

#column-2 .course-item:nth-child(3) {
 background-image: url('https://bdn.135editor.com/files/201905/course-bg2.jpg');
}

#column-2 .course-item {
 width: 550px;
 height: 280px;
 position: relative;
 margin-right: 12.5px;
 margin-left: 12.5px;
}

#column-2 .course-item .course-cover {
 position: absolute;
 display: block;
 left: 0;
 top: 0;
 right: 0;
 bottom: 0;
 background-color: rgba(0, 0, 0, .61);
 padding: 65px 30px;
 text-align: center;
}

#column-2 .course-item .course-cover::after {
 content: '';
 width: 93%;
 height: 93%;
 position: absolute;
 left: 50%;
 top: 50%;
 transform: translate(-50%, -50%);
 border: 1px solid #999;
}

#column-2 .course-item .course-cover .icon {
 width: 55px;
 height: 55px;
 margin: 0 auto 10px;
 transform: scale(1.4, 1.4);
}

#column-2 .service-icon {
 background-image: url('https://bdn.135editor.com/files/201905/icon.png');
 width: 55px;
 height: 55px;
 display: block;
 transition: all .3s;
}

#column-2 .service-icon.icon-216 {
 background-position: -825px 55px;
}

#column-2 .course-item .course-cover p {
 color: white;
 font-size: 20px;
 font-weight: bold;
 margin-bottom: 7px;
 letter-spacing: 2px;
}

#column-2 .course-item .course-cover p.small {
 font-size: 14px;
 font-weight: normal;
 color: white;
 text-align: center;
}

#column-2 .course-item .course-desc {
 display: none;
 position: absolute;
 width: 100%;
 left: 0;
 top: 0;
 right: 0;
 bottom: 0;
 background: rgba(144, 119, 62, .8);
 padding: 10px;
 transition: all 1s ease-out;
}

#column-2 .course-item .course-desc .content {
 border: 1px solid white;
 padding: 15px;
 height: 100%;
}

#column-2 .course-item .course-desc .content * {
 color: white;
}

#column-2 .course-item .course-desc h3 {
 font-size: 20px;
 margin-bottom: 15px;
 font-weight: bold;
}

#column-2 .course-item .course-desc p,
#column-2 .course-item .course-desc li {
 font-size: 12px;
 margin-bottom: 0.5em;
}

#column-2 .course-item .course-desc hr {
 border-color: white;
 margin: 15px auto;
}

#column-2 .service-icon.new {
 background: url('https://bdn.135editor.com/files/202008/a43b3a8491379cfeb788b01a47aefc17.png') no-repeat;
 background-position: center !important;
 background-size: 30px;
}

#column-2 .service-icon.icon-217 {
 background-position: -880px 55px;
}

#column-3 {
 margin-bottom: 74px;
}

#column-3 .item-card {
 background: #fff;
 padding: 30px 55px 40px 65px;
 display: flex;
 justify-content: space-between;
 align-items: center;
}

#column-3 .item-card .left {
 width: 468px;
}

#column-3 .item-card .right {
 width: 480px;
}

#column-3 .item-card .left .title {
 font-size: 28px;
 font-weight: bold;
 color: #000;
 display: inline-block;
 vertical-align: middle;
 margin-bottom: 25px;
 letter-spacing: 1px;
}

#column-3 .item-card .left .title img {
 margin-right: 20px;
 display: inline-block;
 vertical-align: middle;
 width: 70px;
}

#column-3 .item-card .left .introduce {
 font-size: 16px;
 line-height: 30px;
 color: #666;
 margin-bottom: 23px;
 letter-spacing: 1px;
}

#column-3 .item-card .left .btns a {
 display: inline-block;
 width: 290px;
 height: 45px;
 line-height: 45px;
 border-radius: 4px;
 background-image: linear-gradient(90deg, #fdad21, #fd742b);
 color: #fff;
 font-size: 16px;
 text-align: center;
 letter-spacing: 1px;
}

#column-3 .swiper-pagination {
 position: unset;
 padding-top: 40px;
}

#column-3 .swiper-pagination-bullet {
 width: 12px;
 height: 12px;
 transition: all .1s linear;
}

#column-3 .swiper-pagination-bullet-active {
 background-color: #fd742b;
 width: 24px;
 border-radius: 8px;
}