* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
.h1,
.h2,
.h3,
.h4 {
  margin: 0;
  padding: 0;
}
.over1 {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.over2 {
  display: -webkit-box;
  word-break: break-all;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}
.over3 {
  display: -webkit-box;
  word-break: break-all;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
}
.over4 {
  display: -webkit-box;
  word-break: break-all;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
  text-overflow: ellipsis;
}
.container_padding {
  padding: 100px 0 80px;
}
.container_main {
  padding-top: 50px;
}
ul,
li {
  list-style: none;
}
html,
body {
  overflow-x: hidden;
  color: #333;
  font: 14px / 1.6 PingFang SC, Helvetica Neue, Helvetica, PingFang SC, Tahoma, Arial, sans-serif;
}
a,
.link {
  display: inline-block;
  width: 100%;
}
a:hover {
  text-decoration: none;
}
a:focus {
  text-decoration: none;
}
img {
  vertical-align: middle;
  object-fit: cover;
}
.cover_box {
  overflow: hidden;
}
.cover_box .cover {
  width: 100%;
  transition: 0.4s ease-in;
}
.box_shadow {
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.1);
}
.box_radius {
  border-radius: 4px;
}
body::-webkit-scrollbar {
  width: 8px;
}
body::-webkit-scrollbar-track {
  background-color: #f1f1f1;
  opacity: 0.2;
}
body::-webkit-scrollbar-thumb {
  background-color: #cccccc;
  border-radius: 5px;
}
body::-webkit-scrollbar-thumb:hover {
  background-color: #999;
}


    
.container {
  max-width: 1600px;
  width: 100%;
  margin: auto;
}
.btn:focus {
  border: none !important;
  outline: none !important;
}
.layui-input:focus {
  border-color: #eee !important;
  box-shadow: 0 0 0 1px rgba(233, 47, 47, 0.6);
}
.layui-textarea:focus {
  border-color: #eee !important;
  box-shadow: 0 0 0 1px rgba(233, 47, 47, 0.6);
}
.btn:focus {
  border: none !important;
  outline: none !important;
}
.title {
  font-size: 28px;
  font-weight: 600;
}
.lead {
  font-size: 16px;
  margin-bottom: 0;
  font-weight: 500;
}
.img_bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.animate {
  transition: 0.4s ease;
}
.pointer {
  cursor: pointer;
}
.inline_block {
  display: inline-block;
}
.animate {
  transition: 0.4s ease;
}
.justify_space {
  display: flex;
  justify-content: space-between;
}
.display_flex {
  display: flex;
  align-items: center;
}
.justify_end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.justify_column {
  display: flex;
  flex-direction: column;
}
.justify_center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.head {
  width: 80%;
  margin: auto;
  padding: 10px;
  text-align: center;
}
.head .title {
  font-size: 36px;
  font-weight: 600;
  margin-bottom: 10px;
}
.head .sub_head {
  font-size: 16px;
  line-height: 1.8;
}
.head .sub_title {
  font-size: 24px;
  font-weight: 600;
  margin-top: 20px;
}
.head .arrow .icon {
  width: 44px;
  height: 44px;
  text-align: center;
  line-height: 44px;
  overflow: hidden;
  border-radius: 12px;
  margin-left: 30px;
  cursor: pointer;
  background: #fff;
  user-select: none;
}
.head .arrow .icon .iconfont {
  font-size: 18px;
}
.head .arrow .icon:hover {
  background: #3D86C4;
}
.head .arrow .icon:hover .iconfont {
  color: #fff;
}
.line {
  padding: 18px 0;
  position: relative;
}
.line .t_l {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 88px;
  height: 8px;
  border-radius: 4px;
  background: #3D86C4;
}
.line::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(0, 0, 0, 0.1);
}
.b_line {
  width: 120px;
  height: 4px;
  border-radius: 3px;
  background: #3D86C4;
  opacity: 0.23;
  margin: auto;
}
.paging .nav_box {
  text-align: center;
}
.paging .nav_box .pagination {
  display: flex;
  justify-content: center;
}
.paging .nav_box .pagination li {
  display: inline-block;
  margin: 0 3px;
}
.paging .nav_box .pagination li a {
  color: #3D86C4;
}
.paging .nav_box .pagination .active a {
  background-color: #3D86C4;
  border-color: #3D86C4;
  color: #fff;
}
.banner .cover {
  min-height: 30vh;
}
.modal {
  padding: 0 !important;
}
.modal .sub_head {
  font-size: 14px;
  line-height: 24px;
  color: #B4B4B4;
  margin: 10px 0 0;
}
.modal .modal-dialog {
  margin-top: 200px;
}
.modal .modal-body {
  padding: 20px;
}
.tabs {
  padding: 0 10px 50px;
}
.tabs .tabs_wrap {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.tabs .item {
  padding: 0 14px;
  margin-bottom: 20px;
}
.tabs .item .link {
  border-radius: 45px;
  padding: 0 24px;
  background: #F6F6F6;
  height: 50px;
  text-align: center;
  line-height: 50px;
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.1);
}
.tabs .item .link .iconfont,
.tabs .item .link .text {
  font-size: 18px;
  padding: 0 2px;
  white-space: nowrap;
}
.tabs .item .link .iconfont {
  font-size: 24px;
}
.tabs .active .link {
  background: #3D86C4;
}
.tabs .active .link .iconfont,
.tabs .active .link .text {
  color: #fff;
}
.more {
  padding-top: 30px;
}
.more .link {
  height: 50px;
  line-height: 50px;
  padding: 0 34px;
  font-size: 16px;
  color: #fff;
  background: #3D86C4;
  width: auto;
}
.more .link .iconfont {
  padding-left: 4px;
}
.search .main {
  margin: auto;
  padding: 120px 0 0;
}
.search .head .title {
  color: #fff;
}
.search .search_form {
  margin-top: 60px;
}
.search .search_form .content {
  width: 60%;
  margin: auto;
}
.search .search_form .content .box {
  display: flex;
  align-items: center;
}
.search .search_form .content .input {
  border: none;
  font-size: 20px;
  height: 60px;
  line-height: 60px;
}
.search .search_form .content .input:focus {
  border: none;
  box-shadow: none;
}
.search .search_form .content .submit_btn {
  width: 100px;
  height: 60px;
  background: #3D86C4;
  color: #fff;
  font-size: 24px;
  padding: 0;
  border: none;
}
.search .search_form .content .submit_btn .iconfont {
  font-size: 28px;
  color: #fff;
}
.search .search_form .content .note {
  margin-top: 10px;
}
.search .search_form .content .note .link {
  width: auto;
  line-height: 1.4;
  font-size: 14px;
  padding: 10px 0;
  white-space: nowrap;
  margin-right: 20px;
  color: #fff;
}
.login {
  height: 100vh;
  padding: 2%;
}
.login .logo {
  width: 140px;
}
.login .logo .cover {
  width: 100%;
}
.login .main {
  width: 80%;
  margin: 50px auto;
  padding: 20px;
  background: #fff;
  border-radius: 14px;
  position: relative;
}
.login .main::before {
  content: '';
  position: absolute;
  z-index: -1;
  width: 100%;
  height: 100%;
  background: rgba(223, 223, 223, 0.3);
  border-radius: 24px;
}
.login .main .form {
  padding-top: 50px;
}
.login .main .box {
  padding: 0 20px;
}
.login .main .box .title {
  text-align: center;
  color: #3D86C4;
  margin-bottom: 10px;
}
.login .main .box .item {
  margin-bottom: 20px;
}
.login .main .box .item .name {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 4px;
}
.login .main .box .item .ide {
  color: #ff0000;
}
.login .main .box .item .input_box {
  background: #F6F6F6;
  padding: 0 10px;
}
.login .main .box .item .input_box .iconfont {
  color: #3D86C4;
}
.login .main .box .item .input {
  background: none;
  border: none;
  height: 50px;
  font-size: 15px;
}
.login .main .box .item .input:focus {
  box-shadow: none;
}
.login .main .submit_btn {
  margin: 20px 0 10px;
  width: 100%;
  height: 60px;
  background: #3D86C4;
  font-size: 18px;
}
.login .main .lead {
  text-align: center;
}
.login .main .iconfont {
  color: #3D86C4;
  text-align: center;
}
.login .main .cover_box .cover {
  height: 420px;
  border-radius: 0 24px;
}
.login .main .swiper-pagination {
  bottom: 30px;
}
.login .main .swiper-pagination .swiper-pagination-bullet {
  background: #fff;
  opacity: 1;
}
.login .main .swiper-pagination .swiper-pagination-bullet-active {
  background: #3D86C4;
  width: 20px;
  border-radius: 12px;
}
.header {
  background: #3D86C4;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
}
.header .wrap {
  height: 76px;
  align-items: center;
}
.header .wrap .logo {
  width: 160px;
}
.header .wrap .logo .cover {
  width: 100%;
}
.header .wrap .content {
  height: 100%;
}
.header .wrap .content .to {
  padding: 0 40px;
}
.header .wrap .content .to .link {
  width: 170px;
  height: 44px;
  line-height: 44px;
  font-size: 16px;
  color: #fff;
  font-weight: 600;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.4);
  text-align: center;
}
.header .wrap .content .to .link:hover {
  color: #3D86C4;
}
.header .wrap .content .user {
  height: 100%;
  position: relative;
  z-index: 3;
}
.header .wrap .content .user .name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}
.header .wrap .content .user .info .link {
  width: auto;
}
.header .wrap .content .user .cover {
  margin: 0 10px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}
.header .wrap .content .user .iconfont {
  color: #fff;
  font-weight: 500;
}
.header .wrap .content .user .exit {
  position: absolute;
  top: 76px;
  left: 0;
  width: 100%;
  padding: 8px 10px;
  background: #fff;
  display: none;
}
.header .wrap .content .user .exit .lead .link {
  color: #000;
  text-align: center;
  padding: 8px 0;
  font-size: 16px;
  font-weight: 500;
}
.header .wrap .content .user .exit .lead .link .iconfont {
  color: #000;
  font-size: 16px;
  font-weight: 500;
}
.placeholder_header {
  height: 76px;
}
.menu .box {
  padding: 20px;
  justify-content: start;
  margin-bottom: 20px;
}
.menu .box .icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  text-align: center;
  line-height: 50px;
  flex: none;
}
.menu .box .icon .iconfont {
  font-size: 24px;
  color: #fff;
}
.menu .box .content {
  padding-left: 20px;
  color: #fff;
  flex: 1;
}
.menu .box .content .name {
  font-size: 20px;
  font-weight: 600;
}
.menu .box .content .lead {
  font-weight: 500;
}
.index {
  padding: 50px 0;
}
.inquire {
  width: 50%;
  margin: auto;
  padding: 30px 0 60px;
}
.inquire .name {
  font-size: 20px;
  font-weight: 600;
  padding: 6px 0;
}
.inquire .layui-input {
  height: 50px;
  background: #F8F8F8;
}
.inquire .layui-form-select dl {
  top: 50px;
}
.inquire .layui-form-select dl dd.layui-this {
  color: #3D86C4;
}
.inquire .submit_btn {
  height: 50px;
  width: 100%;
  background: #3D86C4;
}
.search .input_box {
  align-items: center;
  background: #F8F8F8;
  padding: 0 10px;
  border: 1px solid #eee;
}
.search .input_box .iconfont {
  font-size: 17px;
  font-weight: 600;
}
.search .input_box .input {
  height: 50px;
  background: none;
  border: none;
}
.search .input_box .input:focus {
  box-shadow: none;
}
.search .search_btn {
  width: 100%;
  height: 50px;
  background: #3D86C4;
}
.layui-laydate .layui-this > div {
  background: #3D86C4 !important;
}
.list {
  padding: 40px 0 10px;
}
.list .width_x {
  overflow-x: auto;
}
.list .content {
  margin-top: 10px;
  width: 1570px;
}
.list .content .list_head {
  background: #3D86C4;
  color: #fff;
}
.list .content .list_head .li {
  flex: 1;
  height: 50px;
  align-items: center;
  padding: 0 0 0 14px;
  border-right: 1px solid #fff;
}
.list .content .list_head .li .name {
  font-size: 16px;
}
.list .content .list_head .li .sort {
  padding: 10px 14px;
}
.list .content .list_head .li .sort .iconfont {
  font-size: 18px;
  margin: -6px;
  opacity: 0.4;
}
.list .content .list_head .li .sort .active {
  opacity: 1;
}
.list .content .list_head .li:last-child {
  border-right: none;
}
.list .content .list_body {
  background: #F1F1F1;
}
.list .content .list_body .item {
  border-bottom: 1px solid #fff;
}
.list .content .list_body .li {
  flex: 1;
  height: 50px;
  line-height: 50px;
  padding: 0 14px;
  border-right: 1px solid #fff;
}
.list .content .list_body .li .check {
  width: 18px;
  height: 18px;
  background: #fff;
  line-height: 18px;
  text-align: center;
}
.list .content .list_body .li .check .iconfont {
  font-size: 12px;
  color: #fff;
}
.list .content .list_body .li .active {
  background: #3D86C4;
}
.list .content .list_body .li .val {
  font-weight: 500;
}
.list .content .list_body .li:last-child {
  border-right: none;
}
.list .content .bottom {
  text-align: center;
  padding: 30px 0 20px;
}
.list .content .bottom .download {
  width: auto;
  background: #3D86C4;
  width: 200px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  border-radius: 5px;
  font-size: 18px;
  color: #fff;
}
.upload {
  min-height: 100vh;
  padding-top: 100px;
}
.upload .main {
  width: 50%;
  margin: 0 auto;
  padding: 50px 80px;
  background: #fff;
  border-radius: 24px;
}
.upload .main .title {
  font-size: 20px;
  font-weight: 600;
  padding: 10px 0;
}
.upload .main .item {
  margin-bottom: 14px;
}
.upload .main .input_box {
  padding: 0 20px;
  background: #FCFCFC;
}
.upload .main .input_box .iconfont {
  color: #A5A5A5;
}
.upload .main .input_box .input {
  background: none;
  border: none;
  box-shadow: none;
  height: 50px;
  line-height: 50px;
}
.upload .main .upload_item {
  padding: 20px;
  background: #FCFCFC;
}
.upload .main .upload_item .lead {
  color: #BFBFBF;
  margin-bottom: 14px;
}
.upload .main .upload_item .box {
  text-align: center;
  background: #fff;
  padding: 50px 20px;
}
.upload .main .upload_item .box .upload_btn {
  padding-top: 20px;
}
.upload .main .upload_item .box .upload_btn .upload_list {
  display: none;
}
.upload .main .upload_item .box .upload_btn .upload_list .item {
  justify-content: center;
}
.upload .main .upload_item .box .upload_btn .upload_list .item .iconfont {
  font-size: 20px;
}
.upload .main .upload_item .box .upload_btn .upload_list .item .file_name {
  padding-left: 4px;
}
.upload .main .upload_item .box .upload_btn .common_btn {
  background: none;
  color: #5D5D5D;
  height: 44px;
  line-height: 44px;
  position: relative;
  width: 200px;
  margin: auto;
}
.upload .main .upload_item .box .upload_btn .common_btn input {
  width: 100%;
  opacity: 0;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  cursor: pointer;
}
.upload .main .upload_item .box .upload_btn .common_btn .text {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
}
.upload .main .upload_item .box .upload_btn .common_btn:hover {
  background: #3D86C4;
}
.upload .main .upload_item .box .upload_btn .common_btn:hover .text {
  color: #fff;
}
.upload .main .item_btn {
  text-align: center;
  padding-top: 20px;
}
.upload .main .item_btn .submit_btn {
  width: 180px;
  height: 46px;
  line-height: 46px;
  background: #3D86C4;
}

























  
        /* 主要内容容器 */
        .download-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* 页面标题 */
        .page-title {
            font-size: 24px;
            margin-bottom: 25px;
            color: #2c3e50;
            font-weight: 600;
        }
        
        /* 搜索和筛选区域 */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding: 15px;
            background-color: #fff;
            border-radius: 6px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        
        .search-box {
            flex: 1;
            min-width: 250px;
            position: relative;
            margin-right: 15px;
            margin-bottom: 10px;
        }
        
        .search-box input {
            width: 100%;
            padding: 10px 15px 10px 40px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
            transition: border-color 0.3s;
        }
        
        .search-box input:focus {
            border-color: #3498db;
            outline: none;
            box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
        }
        
        .search-box i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #999;
        }
        
        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 10px;
        }
        
        .filter-options select,
        .filter-options button {
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
            background-color: #fff;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .filter-options select:focus {
            border-color: #3498db;
            outline: none;
        }
        
        .filter-options button {
            background-color: #3498db;
            color: white;
            border-color: #3498db;
        }
        
        .filter-options button:hover {
            background-color: #2980b9;
        }
        
        /* 文档列表样式 */
        .document-list {
            list-style: none;
        }
        
        .document-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 15px;
            margin-bottom: 10px;
            background-color: #fff;
            border-radius: 6px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        
        .document-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        .doc-icon {
            flex: 0 0 50px;
            height: 50px;
            margin-right: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #3498db;
            font-size: 24px;
        }
        
        .doc-info {
            flex: 1;
            min-width: 250px;
            margin-right: 15px;
            margin-bottom: 10px;
        }
        
        .doc-title {
            font-weight: 600;
            margin-bottom: 5px;
            color: #2c3e50;
            transition: color 0.3s;
        }
        
        .doc-title:hover {
            color: #3498db;
        }
        
        .doc-description {
            font-size: 13px;
            color: #7f8c8d;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .doc-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-right: 15px;
            margin-bottom: 10px;
            color: #7f8c8d;
            font-size: 13px;
        }
        
        .doc-meta div {
            display: flex;
            align-items: center;
        }
        
        .doc-meta i {
            margin-right: 5px;
            font-size: 14px;
        }
        
        .download-btn {
            flex: 0 0 auto;
            padding: 8px 15px;
            background-color: #3D86C4;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            display: flex;
            align-items: center;
            transition: background-color 0.3s;
        }
        
        .download-btn i {
            margin-right: 5px;
        }
        
        .download-btn:hover {
            background-color: #3c6b93;
        }
        
        /* 分页控件 */
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 30px;
            list-style: none;
        }
        
        .pagination li {
            margin: 0 5px;
        }
        
        .pagination a {
            display: inline-block;
            padding: 8px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            color: #3498db;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .pagination a:hover {
            background-color: #f1f1f1;
            border-color: #ccc;
        }
        
        .pagination a.active {
            background-color: #3498db;
            color: white;
            border-color: #3498db;
        }
        
        .pagination a.disabled {
            color: #999;
            pointer-events: none;
            background-color: #f9f9f9;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            
            .search-box {
                margin-right: 0;
            }
            
            .document-item {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .doc-icon {
                margin-bottom: 10px;
            }
            
            .doc-meta {
                width: 100%;
                margin-right: 0;
                margin-bottom: 15px;
            }
            
            .download-btn {
                width: 100%;
                justify-content: center;
            }
        }
        
        /* 空状态样式 */
        .empty-state {
            text-align: center;
            padding: 50px 20px;
            color: #7f8c8d;
        }
        
        .empty-state i {
            font-size: 60px;
            margin-bottom: 20px;
            color: #bdc3c7;
        }
        
        .empty-state p {
            font-size: 16px;
            margin-bottom: 20px;
        }
        
        .empty-state button {
            padding: 10px 20px;
            background-color: #3498db;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .empty-state button:hover {
            background-color: #2980b9;
        }