@charset "utf-8";

/* 设置主题 */

:root {--primary: #013368;--transition: all 0.5s ease;}


/* css样式初始化 */

*,::before,::after {box-sizing: border-box;}

html { -moz-tab-size: 4;-o-tab-size: 4;tab-size: 4;}

html {line-height: 1; /* 1 */-webkit-text-size-adjust: 100%; /* 2 */}

body {margin: 0;}

body {font-family: "Noto Sans SC", "Source Han Sans CN", "Noto Sans S Chinese Light", "Microsoft Yahei", "Microsoft YaHei Light", "Pingfang sc regular", "Helvetica Neue", Helvetica, Tahoma, sans-serif !important;}

body {font-family: inherit;line-height: inherit;}

blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre {margin: 0;}

ol,ul {list-style: none;margin: 0;padding: 0;}

a {color: inherit;text-decoration: inherit;}

html {font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif, BlinkMacSystemFont,'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif,'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji'; /* 1 */line-height: 1; /* 2 */}

pre,code,kbd,samp {font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,'Liberation Mono', 'Courier New', monospace;}

img,video {max-width: 100%;height: auto;}

button,input,optgroup,select,textarea {padding: 0;line-height: inherit;color: inherit}

textarea {resize: vertical;}

input::-moz-placeholder, textarea::-moz-placeholder {opacity: 1;color: #9ca3af;}

input::placeholder,textarea::placeholder {opacity: 1;color: #9ca3af;}



/* 滚动条+选中渲染css */

::selection{background:var(--primary);color:#fff;}

::-moz-selection{background:var(--primary);color:#fff;}

::-webkit-input-placeholder{text-overflow:ellipsis}

::-webkit-scrollbar{width:8px;height:8px;overflow:auto}

::-webkit-scrollbar-thumb{background-color:var(--primary);min-height:25px;min-width:25px;border:1px solid #e0e0e0}

::-webkit-scrollbar-track{background-color:#f7f7f7;border:1px solid #efefef}



/* 分页css */

.ui-bhpage{ width:auto; height:auto; overflow:hidden; clear:both; text-align:center;  margin:20px auto 20px auto;}

.ui-bhpage li{min-width:32px; height:32px;text-align:center; display:inline-block; line-height:32px; margin-right:4px;border:solid 1px #d9d9d9; border-radius:4px;}

.ui-bhpage li:first-child a,.ui-bhpage li:last-child a{box-sizing: border-box;padding: 0 10px;}

.ui-bhpage li:first-child span, .ui-bhpage li:last-child span {box-sizing: border-box;padding: 0 10px;}

.ui-bhpage li a{ width:100%; height:32px; text-align:center; line-height:32px; display:block; font-size:14px; color:#666; box-sizing: border-box; }

.ui-bhpage li:hover,.ui-bhpage li.active{ background:var(--primary); color:#fff; border:solid 1px var(--primary); }

.ui-bhpage li:hover a{ color: #fff;}



/* 文章分页 */

.article-pager{ width:100%; height:38px; margin:15px auto 15px auto; clear:both; text-align:center;}

.article-pager ul {display: flex;align-items: center;justify-content: center;}

.article-pager li{height:38px; border:solid 1px #efefef; text-align:center;line-height:38px; box-sizing:border-box; border-radius:4px; background:#fff;margin-left: 10px;flex: 1;max-width: 128px;}

.article-pager li a{ width:100%; height:38px; display:block; color:#333; font-size: 13px;}

.article-pager li a span{ font-size: 13px;}

.article-pager li:hover{  border:solid 1px var(--primary);}

.article-pager li:hover a{ color:var(--primary);}



/* 无数据 */

.ui-nodata {display: flex;justify-content: center;align-items: center;flex-direction: column;min-height: 300px;}

.ui-nodata img {max-width: 100px;}

.ui-nodata p {font-size: 15px;line-height: 30px;color: #444444;}



/* 文章内容 */

.ui-content{ width: 100%; min-height: auto; margin: 10px auto; overflow: hidden;line-height:180%;word-wrap:break-word;padding: 15px 0;color: #444;}

.ui-content p{ line-height: 32px; font-size: 16px;word-wrap:break-word;}

.ui-content img{ max-width: 100%;  border-radius: 3px; cursor: pointer; display: inline-block;}

.ui-content table{ width: 100%; border-collapse: collapse; margin: 10px auto;}

.ui-content table th{ padding:8px 12px; text-align: center; vertical-align: middle; background-color: #fafafa; border: solid 1px #dcdcdc;}

.ui-content table td{ padding:8px 12px; border: solid 1px #dcdcdc; font-size: 14px;}

.ui-content table tr:hover td{background-color: #fafafa;}

.ui-content table th:hover td{background-color: #efefef;}

.ui-content video{border:solid 1px #dcdcdc; overflow:hidden; padding:5px; border-radius:4px;}

.ui-content pre{ background-color: #f6f8fa; border: solid 1px #dcdcdc; border-radius: 4px; line-height: 160%; padding: 10px 12px; font-size: 13px; color: #666;}

.ui-content pre code{ padding: 0; border: 0;}

.ui-content code{background-color: #f6f8fa; border: solid 1px #dcdcdc; border-radius: 4px; padding: 4px 6px; font-size: 12px; margin:0 2px;}

.ui-content input{ margin-right: 5px;}



       

/* 文本溢出省略 */

.ellipsis-1,.ellipsis-2,.ellipsis-3{-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden;text-overflow:ellipsis}

.ellipsis-1{-webkit-line-clamp:1;line-clamp: 1;}

.ellipsis-2{-webkit-line-clamp:2;line-clamp: 2;}

.ellipsis-3{-webkit-line-clamp:3;line-clamp: 3;}



/* 版心 */

.wrap {width: 1360px;margin: 0 auto;box-sizing: border-box;overflow: hidden;height: auto;padding: 0; position: relative;}
.w {width: 1200px;margin: 0 auto;box-sizing: border-box;overflow: hidden;height: auto;padding: 0;}
.container{width: 100%;height: auto; overflow: hidden;}

/* 通用间距 */
.padding-100 {padding: 100px 0;}


/* 头部 */
.header {height: 178px;width: 100%;background-color: #fff;position: fixed;top: 0;left: 0;right: 0;z-index: 999;box-shadow: 0px 1px 30px rgba(53, 53, 53, 0.1);}
.header-top {height: 120px;background-color: #fff;}
.flex-header-top {display: flex;align-items: center;justify-content: space-between;height: 100%;gap: 58px;}
.flex-header-top .des {flex: 1;}
.flex-header-top h1 {font-size: 46px;color: #1a1a1a;flex-shrink: 0;}
.flex-header-top h2 {font-size: 18px;color: #013368;margin-bottom: 10px;}
.flex-header-top p {font-size: 16px;color: #222;}
.header-bottom {height: 58px;border-bottom: 3px solid #ff9f07;background-color: #007bff;}
.header-inner {display: flex;justify-content: space-between;align-items: center;height: 100%;overflow: visible;}
.header-nav {display: flex;align-items: center;height: 100%;gap: 0px;justify-content: space-between;flex: 1;}
.header-nav .nav-item {height: 100%;position: relative;flex: 1;}
.header-nav a {height: 100%;display: flex;justify-content: center;align-items: center;gap: 10px;color: #fff;font-weight: bold;transition: var(--transition);white-space: nowrap;text-decoration: none;font-size: 16px;}
.header-nav .nav-item:hover > a {color: #fff;background-color: #ff9f07;}
.header-nav .nav-item.active > a {color: #fff;background-color: #ff9f07;}
/* ========== 下拉箭头 + has-sub 样式 ========== */
.has-sub {position: relative;}
/* 一级导航 向下箭头 */
.nav-item.has-sub > a {padding-right: 18px;position:relative;}
.nav-item.has-sub > a::after {content: "";position: absolute;right: 22px;top: 50%;width: 8px;height: 8px;border-right: 2px solid #fff;border-bottom: 2px solid #fff;transform: translateY(-70%) rotate(45deg);transition: transform 0.3s ease, border-color 0.3s ease;}
.nav-item.has-sub:hover > a::after {border-color: #fff;transform: translateY(-30%) rotate(-135deg);}
/* 二级子项箭头（向右） */
.nav-sub .has-sub > a {padding-right: 40px;}
.nav-sub .has-sub .arrow {position: absolute;right: 20px;top: 50%;width: 8px;height: 8px;border-right: 2px solid var(--text);border-bottom: 2px solid var(--text);transform: translateY(-70%) rotate(-45deg);transition: transform 0.3s ease, border-color 0.3s ease;}
.nav-sub .has-sub:hover > a {background: #ff9f07;color:#fff;}
.nav-sub .has-sub:hover .arrow {border-color: #fff;transform: translateY(-70%) rotate(135deg);}
/* ========== 二级下拉菜单 淡入动画 ========== */
.nav-sub {position: absolute;left: 0;top: 100%;background: #222;min-width: 180px;box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);opacity: 0;visibility: hidden;transform: translateY(10px);transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;z-index: 99;}
.nav-item:hover > .nav-sub {opacity: 1;visibility: visible;transform: translateY(0);}
/* ========== 三级下拉菜单 淡入动画 ========== */
.nav-sub-level3 {position: absolute;left: 100%;top: 0;background: #fff;min-width: 180px;box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);opacity: 0;visibility: hidden;transform: translateX(-10px);transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;z-index: 99;}
.nav-sub .has-sub:hover > .nav-sub-level3 {opacity: 1;visibility: visible;transform: translateX(0);}
/* 下拉内链接 */
.nav-sub a {height: auto;color: #fff;padding: 14px 30px;display: flex;align-items: center;text-decoration: none;
transition: background 0.3s ease, color 0.3s ease;font-size: 15px;border-bottom: 1px solid rgba(255, 255, 255, 0.2);}
.nav-sub a:hover {background: #ff9f07;color: #fff;}
/* 固定高度 */
.fixed_header {height: 178px;width: 100%;}
.fixed_header.hide {display: none;}
.margin_head {margin-top: 178px;}
/* ========= 移动端菜单 ========= */
.mobile-menu-btn {display: none;width: 28px;height: 20px;flex-direction: column;justify-content: space-between;cursor: pointer;z-index: 1001;position: relative;}
.mobile-menu-btn span {display: block;width: 100%;height: 2px;background: #1a1a1a;border-radius: 2px;transition: all 0.35s cubic-bezier(0.68, -0.55, 0.27, 1.55);transform-origin: center;}
.mobile-menu-btn.active span:nth-child(1) {transform: translateY(9px) rotate(45deg);}
.mobile-menu-btn.active span:nth-child(2) {opacity: 0;transform: scale(0);}
.mobile-menu-btn.active span:nth-child(3) {transform: translateY(-9px) rotate(-45deg);}
.menu-overlay{position: fixed;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,0.45);z-index:998;opacity:0;visibility:hidden;transition:0.3s;}
.menu-overlay.open{opacity:1;visibility:visible;}




.footer {background-color: #3c3c3c;}

.footer_bottom {padding: 58px 0;display: flex;justify-content: center;align-items: center;}

.footer_bottom p {color: #fff;font-size: 18px;line-height: 30px;}





/* 首页 */

.index_swiper {height: 470px;width: 100%;--swiper-theme-color:var(--primary);position: relative;margin: 30px 0;}

.index_swiper .swiper-slide a {width: 100%;height: 100%;display: flex;justify-content: center;align-items: center;}

.index_swiper .swiper-slide img {display: block;width: 100%;height: 100%;object-fit: cover;}

.index_swiper video {width: 100%;height: 100%;object-fit: cover;}



.index_about_wrap {background-image: url(../images/index_about_bg.jpg);background-size: cover;background-position: center;}

.index_about_wrap .index_about_tit {display: flex;flex-direction: column;gap: 50px;}

.index_about_wrap .index_about_tit h2 {font-size: 48px;font-weight: bold;color: #1a1a1a;}

.index_about_wrap .index_about_tit h2 span {color: var(--primary);}

.index_about_wrap .index_about_tit::after {content: ''; height: 4px; background-color: #00b27a;width: 54px;}

.index_about_wrap .index_about_content {margin-top: 50px;font-size: 18px;line-height: 30px;display: flex;flex-direction: column;width: 100%;gap: 25px;  text-align: justify;text-justify: inter-word;color: #4d4d4d;}


.index_dates_wrap {background-position: center;background-size: cover;position: relative;padding-bottom:200px;}

.index_dates_wrap  h2 {font-size: 48px;color: #fff;font-weight: bold;margin-bottom: 60px;}

.index_dates_wrap .index_dates_gird {display: grid;grid-template-columns: repeat(4,1fr);gap: 20px;margin-bottom: 20px;}

.index_dates_wrap .index_dates_gird .date_item {height: 211px;background-color: #fff;border-radius: 8px;display: flex;flex-direction: column;justify-content: center;align-items: center;border-left: 3px solid #f3bc00;gap:10px;}

.index_dates_wrap .index_dates_gird .date_item:nth-child(2n) {border-color: #02ae7d;}

.index_dates_wrap .index_dates_gird .date_item:nth-child(3n) {border-color: #f3bc00;}

.index_dates_wrap .index_dates_gird .date_item:nth-child(4n) {border-color: #ac2852;}

.index_dates_wrap .index_dates_gird .date_item h3 {font-size: 28px;color: #000;font-weight: bold;}

.index_dates_wrap .index_dates_gird .date_item img {width: 34px;height: 34px;object-fit: contain;margin-bottom: 15px;}

.index_dates_wrap .index_dates_gird .date_item p {color: #666;font-size: 18px;}

.index_dates_wrap .index_dates_gird .date_item:first-child h3 {color: #006fbd;}

.index_dates_wrap .index_dates_gird .date_item:first-child p {color: #e00000;}

.index_dates_wrap::after {content: '';position: absolute;bottom: 0;height: 100px;background-color:#fff;width: 100%;border-top-left-radius: 24px;border-top-right-radius: 24px;}



.index_publication_wrap {padding-bottom: 100px;}

.index_publication_wrap .w {overflow: visible;}

.index_publication_wrap h2 {font-size: 48px;font-weight: bold;}

.index_publication_wrap .index_pub_flex {display: flex;gap: 40px;justify-content: space-between;align-items: center;margin-top: 60px;}

.index_publication_wrap .index_pub_flex .left {flex: 1;display: flex;flex-direction: column;gap: 20px;}

.index_publication_wrap .index_pub_flex .left .pub_item {height: 150px;	background-color: #ffffff;box-shadow: 0px 3px 18px 0px rgba(209, 209, 209, 0.55);border-radius: 8px;padding: 18px;box-sizing: border-box;font-size: 18px;line-height: 30px;color: #4d4d4d;text-align: justify;text-justify: inter-word;}

.index_publication_wrap .index_pub_flex .right {background-color: #fff;box-shadow: 0px 3px 18px 0px rgba(209, 209, 209, 0.55);width: 362px;flex-shrink: 0;height: 150px;}



.index_submission_contact_wrap {background-image: url(../images/submission_contact_bg.jpg);background-position: center;background-size: cover;}

.index_submission_contact_wrap .w {overflow: visible;display: flex;justify-content: space-between;gap: 20px;align-items:flex-start;}

.index_submission_contact_wrap .index_submission_wrap {flex: 1;box-shadow: 0px 3px 18px 0px rgba(209, 209, 209, 0.55);border-radius: 8px;background-color: #fff;padding: 25px;}

.index_submission_contact_wrap .index_contact_wrap {width: 400px;box-shadow: 0px 3px 18px 0px rgba(209, 209, 209, 0.55);border-radius: 8px;background-color: #fff;padding: 25px;}



.index_submission_wrap h3,.index_contact_wrap h3 {font-size: 48px;font-weight: bold;color: #1a1a1a;margin-top: 35px;margin-bottom: 40px;}

.index_submission_wrap .btn_wrap {display: flex;gap: 16px;}

.index_submission_wrap .btn_wrap a {width: 326px;height: 64px;border-radius: 8px;background-color: #006fdb;margin-bottom: 40px;display: flex;align-items: center;gap: 5px;justify-content: center;color: #fff;font-size: 18px;font-weight: bold;padding: 0 10px;}

.index_submission_wrap .btn_wrap a:last-child {background-color: #01b17a;}

.index_submission_wrap .btn_wrap a i {font-size: 20px;font-weight: normal;}

.index_submission_wrap h6 {font-size: 28px;line-height: 30px;color: #006fbd;margin-bottom: 20px;}

.index_submission_wrap p {font-size: 18px;line-height: 30px;color: #4d4d4d;}



.index_contact_wrap .contact_info_item {height: 103px;width: 100%;border: solid 2px rgba(0, 178, 122, 0.8);border-radius: 8px;display: flex;justify-content: space-between;align-items: center;margin-bottom: 20px;padding: 0 18px;gap: 15px;}

.index_contact_wrap .contact_info_item .icon_wrap {display: flex;justify-content: center;align-items: center;background-color: #ddf5ed;width: 64px;height: 64px;border-radius: 50%;flex-shrink: 0;}

.index_contact_wrap .contact_info_item .icon_wrap i {font-size: 30px;color: #00b27a;}

.index_contact_wrap .contact_info_item .info_item {flex: 1;display: flex;flex-direction: column;gap: 10px;}

.index_contact_wrap .contact_info_item .info_item p {font-size: 18px;color: #1a1a1a;}

.index_contact_wrap .contact_info_item .info_item h5 {font-weight: bold;font-size: 20px;}

.index_contact_wrap .pic {display: flex;align-items: center;justify-content: center;}

.index_contact_wrap .pic img {width: 169px;height: 169px;object-fit: contain;}

.index_conference_wrap h2{font-size: 48px;font-weight: bold;margin-bottom: 60px;}
.index_conference_wrap .w {overflow: visible;}
.index_conference_grid {display: grid;grid-template-columns: repeat(4,1fr);gap: 30px;}
.index_conference_item {display: flex;justify-content: center;align-items: center;box-shadow: 0px 0px 14px 2px rgba(0, 0, 0, 0.14);padding: 30px;border-radius: 12px;}
.index_conference_item p {font-size: 18px;line-height: 1.8;}

/* 其他导航 */

.other_nav {background-color: #f2f2f2;}

.other_nav .other_flex_nav {display: flex;align-items: center;justify-content: space-between;gap: 30px;height: 64px;}

.other_nav .history_nav {display: flex;align-items: center;height: 100%;gap: 5px;font-size: 15px;color: #666;}

.other_nav .history_nav i {font-size: 15px;color: #666;}

.other_nav .history_nav span {color: var(--primary);font-size: 15px;}

.other_nav .history_nav a:hover {color: var(--primary);}



.other_index_wrap {padding: 64px 0;}

.contact_index_wrap .w {overflow: visible;}

.other_tit {border-bottom: 1px solid #0270dc;padding-bottom: 35px;position: relative;}

.other_tit::after {content: '';height: 3px;width: 100px;background-color: #0270dc;bottom: -1.5px;position: absolute;}

.other_tit h2 {font-size: 36px;font-weight: bold;color: #0270dc;}

.other_desc {padding: 44px 0;font-size: 18px;line-height: 30px;color: #444;}





.contact_index_wrap h6 {font-size: 28px;line-height: 30px;color: #1a1a1a;}

.contact_secretary_grid {display: grid;grid-template-columns: repeat(3,1fr);gap: 20px;margin-top: 30px;}

.contact_secretary_grid .secretary_item {border-top: 3px solid #01b17a;box-shadow: 0px 3px 16px 0px rgba(209, 209, 209, 0.5);background-color: #fff;height: auto;display: flex;flex-direction: column;justify-content: center;padding: 40px;box-sizing: border-box;}

.contact_secretary_grid .secretary_item p {font-size: 18px;line-height: 30px;color: #1a1a1a;}

.contact_secretary_grid .secretary_item .pic {width: 180px;height: 180px;margin-top: 30px;overflow: hidden;flex-shrink:0;}

.contact_secretary_grid .secretary_item .pic img {width: 100%;height: 100%;object-fit: cover;}



.committees_tr {margin-bottom: 80px;}

.committees_tr h3 {font-size: 36px;line-height: 1.2;color: #1a1a1a;}

.committees_tr .commit_grid {display: grid;grid-template-columns: repeat(3,1fr);gap: 20px;margin-top: 45px;}

.committees_tr .commit_grid .commit_item {height: 340px;display: flex;flex-direction: column;justify-content: center;align-items: center;gap: 20px;}

.committees_tr .commit_grid .commit_item .pic {width: 170px;height: 170px;border-radius: 50%;overflow: hidden;}

.committees_tr .commit_grid .commit_item .pic img {width: 100%;height: 100%;object-fit: cover;}

.committees_tr .commit_grid .commit_item a {display: flex;justify-content: center;align-items: center;background-color: #f1f1f1;width: 208px;height: 36px;gap: 5px;font-size: 16px;color: #444;}

.committees_tr .commit_grid .commit_item a:hover {color: var(--primary);}

.committees_tr .commit_grid .commit_item .info h4 {font-size: 24px;color: #0270dc;font-weight: bold;text-align: center;line-height: 35px;}

.committees_tr .commit_grid .commit_item .info p {font-size: 18px;line-height: 27px;color: #444;text-align: center;}





.speaker_wrap {margin-top: 64px;}

.speark_item {display: flex;justify-content: space-between;align-items: flex-start;margin-bottom: 30px;gap: 64px;}

.speark_item .pic {width: 160px;height: 160px;border-radius: 50%;overflow: hidden;}

.speark_item .pic img {width: 100%;height: 100%;object-fit: cover;}

.speark_item .cont {flex: 1;box-shadow: 0px 0px 16px 0px #e3e3e3; background-color: #fff;	border-radius: 16px;padding: 50px 40px;border-left: 5px solid #0270dc;}



.speark_item .cont h4 {font-size: 28px;font-weight: bold;color: #1a1a1a;line-height: 30px;}

.speark_item .cont .desc {font-size: 18px;line-height: 30px;font-style: italic;font-weight: normal;color: #444;}

.speark_item .cont .ui-content {font-size: 16px;line-height: 24px;color: #444;}





.ui-content p {font-size: 18px;color: #444;line-height: 30px;}

.ui-content span {font-weight: normal;}



/* 按钮组 */

.btn-group {display: flex;gap: 12px;margin-bottom: 60px;margin-top: 30px;}

.btn-group .btn {color: white;border-radius: 8px;font-size: 18px;cursor: pointer;display: flex;gap: 5px;justify-content: center;align-items: center;height: 64px;padding: 0 35px;}

.btn-group .btn.blue {background-color:#006fdb;}

.btn-group .btn.blue1 {background-color: #2a5699;}

.btn-group .btn.green {background-color: #01b17a;}





/* 表格 */

.datetable {box-shadow: 0px 3px 16px 0px rgba(209, 209, 209, 0.5);margin-top: 35px;}

.datetable .datehead {display: flex;justify-content: center;align-items: center;padding: 25px 0;font-size: 24px;font-weight: bold;}

.datetable .datetr {display: flex;justify-content: space-between;border-bottom: 1px solid #90a6bd;}

.datetable .datetr:last-child {border-bottom: none;}

.datetable .datetr .dateleft {width: 33%;flex-shrink: 0;padding: 25px 50px;display: flex;align-items: center;border-right: 1px solid #90a6bd;text-align: right;justify-content: flex-end;}

.datetable .datetr .dateright {flex: 1;padding: 25px 50px;display: flex;align-items: center;}

.datetable.blue .datehead {background-color: #0270dc;color: #fff;}

.datetable.blue .datetr:nth-child(2n) {background-color: #e8f2fb;}

.datetable.green .datehead {background-color: #01b17a;color: #fff;}

.datetable.green .datetr:nth-child(2n) {background-color: #e5fff7;}



.flex_table {border: 3px solid #0270dc;margin-top: 30px;}

.flex_table .tr {display: flex;align-items: center;justify-content: space-between;border-bottom: 1px solid #0270dc;font-size: 18px;line-height: 30px;color: #1a1a1a;}

.flex_table .tr.blue {background-color: #0270dc;color: #fff;}

.flex_table .tr .td {flex: 1;padding: 25px 80px;}

.flex_table .tr .td.h {font-size: 24px;line-height: 30px;font-weight: bold;}

.flex_table .tr .td:first-child {border-right: 1px solid #0270dc;}



.flex_venue {display: flex;justify-content: space-between;align-items: flex-start;gap: 80px;}

.flex_venue .pic {width: 482px;height: 350px;overflow: hidden;flex-shrink: 0;}

.flex_venue .pic img {width: 100%;height: 100%;object-fit: cover;}

.flex_venue .cont {flex: 1;}





.track-item {display: flex;border: 1px solid #99bbdd;border-bottom: none;}

.track-item:last-child {border-bottom: 1px solid #99bbdd;}

.track-left {width: 450px;padding: 16px 34px;font-weight: bold;flex-shrink: 0;display: flex;flex-direction: column;border-right: 1px solid #99bbdd;justify-content: center;font-size: 28px;line-height: 30px;}

.track-right {flex: 1;padding: 50px 60px;font-size: 18px;display: flex;flex-direction: column;line-height: 28px;color: #444;}   

/* 各赛道左侧背景色区分 */

.track1 .track-left { background: #eefaff; }

.track2 .track-left { background: #ffffdd; }

.track3 .track-left { background: #edf4fc; }

.track4 .track-left { background: #e8f9e8; }

.track5 .track-left { background: #fff3e8; }

.track6 .track-left { background: #eef6ff; }

.track-num {color: #0066cc;margin-bottom: 20px;}



.date_item {border: 1px solid #a7b9ca;height: 64px;border-bottom: none;display: flex;align-items: center;

justify-content: space-between;}

.date_item:last-child {border: 1px solid #a7b9ca;}

.date_item .date_left {border-right: 1px solid #a7b9ca;height: 100%;width: 27%;flex-shrink: 0;background-color: #f3f7fa;display: flex;justify-content: center;align-items: center;font-size: 18px;color: #333;}

.date_item .date_right {flex: 1;display: flex;justify-content: center;align-items: center;font-size: 18px;color: #333;}



.index_by_wrap .index_by_item h2 {font-size: 48px;font-weight: bold;padding:30px 0;}

.index_by_wrap .index_by_item {border-bottom: 1px solid #ccc;padding-bottom: 30px;}

.index_by_wrap .index_by_item .index_by_grid {display: grid;grid-template-columns: repeat(3,1fr);gap: 15px;}

.index_by_wrap .index_by_item .index_by_grid img {width: 100%;height: 100%;object-fit: cover;}



.hotel_item {display: flex;align-items: center;justify-content:space-between;gap: 80px;margin-bottom: 30px;overflow: hidden;}

.hotel_item:nth-child(2n){flex-direction: row-reverse;}

.hotel_item .pic {width: 482px;height: 350px;overflow: hidden;flex-shrink: 0;}

.hotel_item .pic img {width: 100%;height: 100%;object-fit: cover;}

.hotel_item .cont {flex: 1;display: flex;flex-direction: column;gap: 15px;}

.hotel_item .cont .other_tit {flex: 1;}

.hotel_item .cont .other_tit h2 {line-height: 1.2;}

.hotel_item .cont .ui-content {height: 300px;overflow-y: auto;flex-shrink: 0;}

/* 新首页 */
.index-flex-main {display: flex;justify-content: space-between;align-items: flex-start;gap: 30px;padding: 20px 0;}
.index-welcome .ui-content .index-tit {display: flex;flex-direction: column;font-size: 36px;font-weight: bold;gap: 25px;}
.index-welcome .ui-content .index-tit::after {content: '';width: 80px;height: 3px;background-color: #007bff;}
.index-welcome .ui-content p {font-size: 16px;margin-top: 30px;color: #666;text-align: justify;}
.index-left {flex: 1;}
.index-right {width: 384px;padding: 24px;background-color: #f2f4f6;border: 1px solid #e2e8f0;flex-shrink: 0;margin-bottom: 30px;}
.index-by-wrap {display: flex;flex-direction: column;gap: 20px;}
.index-by-wrap .index-tit {height: 48px;display: flex;align-items: center;background-color: #007bff;color: #fff;font-size: 20px;font-weight: bold;gap: 15px;}
.index-by-wrap .index-tit::before {content: '';height: 48px;width: 6px;background-color: #ff9f07;}
.index-by-main {padding: 20px;background-color: #fff;display: flex;flex-direction: column;gap: 20px;}
.index-by-main .pic {height: 80px;width: 100%;overflow: hidden;}
.index-by-main .pic img {width: 100%;height: 100%;object-fit: contain;transition: all 0.5s;}
.index-by-main .pic:hover img{transform: scale(1.2);}
.index-date-item h4{font-size: 16px;font-weight: bold;color: #ff9f07;line-height: 2;}
.index-date-item h4::before {content: '>>';font-weight: bold;font-size: 16px;margin-right: 20px;}
.index-date-item p {font-size: 16px;color: #1a1a1a;}
.index-date-item p::before {content: '>>';font-weight: bold;font-size: 16px;margin-right: 20px;opacity: 0; }
.index-date-item:first-child p {font-weight: bold;}
.index-pub {padding: 50px 0;border-top: 1px solid #e2e2e2;}
.index-pub h2 {font-size: 36px;font-weight: bold;color: #1a1a1a;}
.index-pub .index-pub-tag {	background-color: #f2f4f6;box-shadow: 0px 1px 8px 0px #e2e8f0;border-radius: 8px;border: solid 1px #e2e8f0; margin: 30px 0;padding: 24px;}
.index-pub .index-pub-tag .pic {width: 234px;height: 72px;margin-bottom: 30px;}
.index-pub .index-pub-tag .pic img {width: 100%;height: 100%;object-fit: contain;}
.index-pub .index-pub-tag p {font-size: 16px;color: #666;}
.index-pub h4 {font-size: 24px;font-weight: bold;color: #007bff;margin-bottom: 15px;}
.index-pub p {font-size: 16px;color: #666;}
.index-section {margin-top: 40px;}
.index-section .index-tag {padding: 10px;background-color: #ff9f07;border-radius: 4px;font-size: 18px;color: #fff;margin-bottom: 20px;display: inline-block;}
.index-section p {font-size: 16px;color: #666;}
.index-section p a {font-size: 16px;font-weight: bold;color: #007bff;}


@media screen and (max-width: 1024px) {
    /* 版心 */
    .wrap {width: 100%;padding: 0 15px;}
    .w {width: 100%;padding: 0 15px;}


    /* 头部 */
    .header {height: 64px;}
    .fixed_header {height: 64px;}
    .margin_head {margin-top: 64px;}
    .header-top {height: 64px;}
    .flex-header-top h1 {font-size: 34px;}
    .flex-header-top .des {display: none;}
    .mobile-menu-btn {display: flex;}
    .header-bottom {height: 0px;}
    .header-nav {
        position: fixed;top: 0;right: -375px;width: 300px;height: 100vh;height: 100dvh;
        background: #fff;flex-direction: column;align-items: flex-start;
        padding: 64px 24px 30px;gap: 0;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;z-index: 1000;box-shadow: -10px 0 40px rgba(0,0,0,0.3);
    }
    .header-nav.open {right: 0;}
    .header-nav a {color: #222;}
    .header-nav .nav-item{width:100%;height:auto;border-bottom:1px solid #eee;flex: auto;}
    .header-nav .nav-item > a{width:100%;justify-content: space-between;padding:14px 0;height:auto;}
    .nav-item.has-sub > a::after {border-color: #222;}
    .nav-item:hover > .nav-sub {opacity:0;visibility:hidden;transform:translateY(10px);}
    .nav-sub{
        position: static;box-shadow:none;
        opacity:0;visibility:hidden;
        transform:none;background:#f8f8f8;
        min-width:auto;
        max-height:0;overflow:hidden;
        transition: max-height 0.3s ease,opacity 0.3s ease;
    }
    .header-nav .nav-item.active > a {color: #fff;background-color: #ff9f07;}
    .header-nav .nav-item.active > a::after {border-color: #fff;}

    .nav-item.active-sub > .nav-sub{
        opacity:1;visibility:visible;
        max-height:1000px;
    }
    .nav-sub-level3{
        position:static;box-shadow:none;
        opacity:0;visibility:hidden;
        transform:none;background:#efefef;
        min-width:auto;
        max-height:0;overflow:hidden;
        transition: max-height 0.3s ease,opacity 0.3s ease;
    }
    .nav-sub .nav-item.active-sub > .nav-sub-level3{opacity:1;visibility:visible; max-height:1000px;}
    /* =========移动端：active-sub才旋转箭头========= */
    .nav-item.has-sub.active-sub > a::after{transform: translateY(-30%) rotate(-135deg);border-color: var(--primary);}
    /* 移动端取消hover箭头旋转 */
    .nav-item.has-sub:hover > a::after {transform: translateY(-70%) rotate(45deg);border-color:#222;}
    .header-nav .nav-item.active-sub > a::after {border-color: #fff;} 



    /* 底部 */
    .footer_bottom p {font-size: 14px;line-height: 20px;}

    .padding-100 {padding: 50px 0;}


    /* 首页 */

    .index_swiper {height: auto;}

    .index_about_wrap .index_about_tit {gap:25px}

    .index_about_wrap .index_about_tit h2 {font-size: 30px;}

    .index_about_wrap .index_about_content {font-size: 16px;}

    .index_dates_wrap h2 {margin-bottom: 30px;}

    .index_dates_wrap .index_dates_gird {grid-template-columns: repeat(2,1fr);margin-bottom: 80px;}

    .index_dates_wrap .index_dates_gird .date_item h3 {font-size: 18px;}

    .index_dates_wrap .index_dates_gird .date_item p {font-size: 14px;}

    .index_publication_wrap h2 {font-size: 30px;}

    .index_dates_wrap::after {height: 50px;}
    
    .index_conference_wrap h2{font-size: 30px;font-weight: bold;margin-bottom: 30px;}

    .index_conference_grid {display: grid;grid-template-columns: repeat(2,1fr);gap: 15px;}
 



    .index_publication_wrap .index_pub_flex {flex-direction: column;gap: 20px;margin-top: 30px;}

    .index_publication_wrap .index_pub_flex .left .pub_item {height: auto;}

    .index_publication_wrap {padding-bottom: 50px;}

    .index_submission_wrap h3, .index_contact_wrap h3 {font-size: 30px;}

    .index_submission_contact_wrap .w {flex-direction: column;gap: 20px;}

    .index_submission_wrap h3, .index_contact_wrap h3 {margin-bottom: 30px;}

    .index_submission_wrap .btn_wrap a {font-size: 14px;margin-bottom: 30px;}

    .index_submission_wrap p {font-size: 16px;line-height:30px;}

    .index_submission_contact_wrap .index_contact_wrap {width: 100%;}

    

    .date_item {height: auto;}

    .date_item .date_left {width: 50%;padding: 10px;}



    .committees_tr h3 {font-size: 30px;}

    .other_index_wrap {padding: 30px 0;}



    .committees_tr .commit_grid { grid-template-columns: repeat(1, 1fr);margin-top: 30px;}



    .datetable .datehead {text-align: center;}



    .speark_item {flex-direction: column;gap: 30px;}

    .speark_item .pic {width: 100px;height: 100px;}

    .speark_item .cont {padding: 30px;}

    .flex_table .tr .td {padding: 15px;}



    .contact_secretary_grid {grid-template-columns: repeat(1, 1fr);}



    .flex_venue {flex-direction: column;gap: 30px;}

    .flex_venue .pic {width: 100%;height: auto;}



    .track-left {width: 50%;border-right: none;padding: 15px;font-size: 18px;line-height: 1.2;}

    .track-right {padding: 15px;font-size: 14px;line-height: 1.5;}



    .index_by_wrap .index_by_item h2 {font-size: 24px;}

    .index_by_wrap .index_by_item .index_by_grid {display: grid;grid-template-columns: repeat(1,1fr);gap: 15px;}



    .hotel_item {flex-direction: column;gap: 30px;}

    .hotel_item .cont .other_tit h2 {font-size: 20px;}

    .hotel_item .cont .ui-content {height: auto;overflow: visible;}

    .hotel_item:nth-child(2n){flex-direction: column;}

    /* 新首页 */
    .index_swiper {margin: 15px 0;}
    .index-flex-main {flex-direction: column;}
    .index-flex-main {padding: 0;}
    .index-welcome .ui-content .index-tit {font-size: 25px;}
    .index-right {width: 100%;}

}