body {
    font-family: 'Montserrat', 'sans-serif','Georgia','Times New Roman','Microsoft YaHei';
}

.red {
    color: red !important;
}
/* 基础样式补充 */
.banner-bg {
    position: relative;
    overflow: hidden;
}

.navbar {
    background: #485C9F;
}

/* 导航项样式调整 - 平均分布核心 */
.navbar-nav {
    width: 100% !important;
}

    .navbar-nav .nav-item {
        position: relative;
        flex: 1; /* 每个导航项平分父容器宽度 */
        text-align: center; /* 文字居中 */
    }

    .navbar-nav .nav-link {
        color: #fff;
        transition: all 0.3s;
        padding: 0.75rem 0; /* 上下内边距，左右留白 */
        font-weight: 700;
        display: block;
        font-size: 16px; /* 统一字体大小，便于移动端调整 */
    }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #ffd700;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

    /* 导航项之间添加细线（最后一个项右侧无细线） */
    .navbar-nav .nav-item:not(:last-child):after {
        content: '';
        position: absolute;
        top: 20%;
        right: 0;
        width: 1px;
        height: 60%; /* 细线高度为导航项高度的60% */
        background-color: rgba(255, 255, 255, 0.4);
    }

/* 响应式导航调整（核心修改：移动端水平一排显示） */
@media (max-width: 768px) {
    .banner-bg {
        min-height: 220px;
    }

    .col-md-auto {
        width: 100% !important;
        margin-bottom: 1rem;
    }

        .col-md-auto .d-flex justify-content-end {
            justify-content: center !important;
        }

    /* 移动端导航改为水平排列，紧凑显示 */
    .navbar-nav {
        flex-direction: row; /* 水平排列（关键修改） */
        gap: 0 !important; /* 取消项间间距，靠内边距控制 */
    }

        .navbar-nav .nav-item {
            flex: 1; /* 恢复平分宽度，确保一行占满 */
        }

            /* 保留细线（可选，根据需要调整） */
            .navbar-nav .nav-item:not(:last-child):after {
                display: block; /* 显示细线（关键修改） */
                height: 40%; /* 移动端细线稍短，更紧凑 */
            }

        /* 缩小内边距和字体，确保一行放下 */
        .navbar-nav .nav-link {
            padding: 0.5rem 0.3rem; /* 大幅减小左右内边距（关键修改） */
            font-size: 14px; /* 缩小字体（关键修改） */
            white-space: nowrap; /* 强制不换行 */
        }
}

/* 标题样式（统一所有区域标题） */
.section-title .htitle1 {
    font-size: 26px;
    color: #485C9F;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-title .htitle4 {
    text-align: center;
    color: #909090;
    font-weight: normal;
    text-transform: uppercase;
    padding: 0 0 12px 0;
    margin-bottom: 0;
    position: relative;
}

    .section-title .htitle4:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 2px;
        background-color: #485C9F;
    }

/* 正文区域样式 */
.content-block {
    line-height: 1.8;
    text-align: justify;
    font-size: 18px;
    text-indent: 31px;
    padding: 20px;
}

/* 单位/赞助商卡片通用样式 */
.unit-card {
    text-align: center;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    height: 100%; /* 等高卡片 */
}

/* 单位图片样式（统一高度150px） */
.unit-img {
    height: 180px;
    width: auto;
    object-fit: contain;
    margin-bottom: 20px;
}

/* 赞助商图片样式 */
.sponsor-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

/* 单位文字样式 */
.unit-text {
    color: #485C9F;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
}

/* 赞助商文字样式 */
.sponsor-text {
    color: #333;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.4;
}

/* 单位类型标签（主办/承办） */
.unit-type {
    color: #333;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

/* 列间距控制 */
.unit-col {
    padding-left: 15px;
    padding-right: 15px;
}

.sponsor-col {
    padding-left: 10px;
    padding-right: 10px;
}

/* 区域容器间距 */
.section-container {
    margin-top: 20px;
}

/* 版权区域样式 */
.footer-area {
    border-top: 1px solid #173392;
    background-color: #485C9F;
}

.copyright-text {
    color: #fff;
    font-size: 13px;
    margin-bottom: 0;
    line-height: 1.6;
}


/* 修复Bootstrap flex居中兼容 */
.d-flex.flex-column.items-center {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
}

/* 等高卡片兼容 */
.row {
    display: flex;
    flex-wrap: wrap;
}

    .row > [class*="col-"] {
        display: flex;
        flex-direction: column;
    }

/* 重磅嘉宾区域样式 */
.guest-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-left: -8px;
    margin-right: -8px;
}

.guest-col {
    flex: 0 0 calc(20% - 10px); /* 5列布局 */
    max-width: calc(20% - 10px);
    padding-left: 5px;
    padding-right: 5px;
    margin-bottom: 20px;
}

.guest-card {
    text-align: center;
    padding: 12px;
    background-color: #fafafa;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    height: 100%;
}

.guest-img {
    width: 180px;
    height: 220px;
    border-radius: 10px;
    object-fit: cover;
    border: 3px solid #f0f0f0;
}

.guest-name {
    color: #485C9F;
    font-size: 16px;
    font-weight: 600;
    line-height: 2;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
}

.guest-company {
    color: #555;
    font-size: 14px;
    line-height: 1.5;
    margin-top: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 重磅嘉宾响应式调整 */
@media (max-width: 992px) {
    .guest-col {
        flex: 0 0 calc(33.333% - 16px); /* 中等屏幕3列 */
        max-width: calc(33.333% - 16px);
    }
}

@media (max-width: 768px) {
    .guest-col {
        flex: 0 0 calc(50% - 8px); /* 手机端2列 */
        max-width: calc(50% - 8px);
    }

    .guest-img {
        width: 120px;
        height: 150px;
    }

    .guest-name {
        font-size: 13px;
    }

    .guest-company {
        font-size: 10px;
    }
}

/* 会议注册区域样式 */
.register-desc {
    color: #333;
    font-size: 16px;
    line-height: 1.8;
    margin-top: 24px !important;
}

.register-btn {
    background-color: #485C9F;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    padding: 10px 30px;
    border-radius: 30px;
    border: none;
    transition: all 0.3s ease;
    text-decoration: none;
    width: 250px;
    margin: 0 auto;
}

    .register-btn:hover {
        background-color: #3a4b80;
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }

/* 注册区域响应式调整 */
@media (max-width: 768px) {
    .register-desc {
        font-size: 14px;
    }

    .register-btn {
        font-size: 15px;
        padding: 8px 24px;
    }
}

/* 主席简介区域样式 */
.chair-row {
    display: flex;
    align-items: flex-start;
    padding: 30px 0;
    border-bottom: 1px dashed #eee;
}

    .chair-row:last-child {
        border-bottom: none;
    }

.chair-img-col {
    padding-left: 15px;
    padding-right: 15px;
}

.chair-img-container {
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
}

.chair-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 3px 6px rgba(0,0,0,0.1);
    border: 1px solid #f0f0f0;
}

.chair-text-col {
    padding-left: 20px;
    padding-right: 15px;
}

.chair-name {
    color: #485C9F;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.chair-title {
    color: #666;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 15px;
    line-height: 1.6;
}

.chair-intro {
    color: #333;
    font-size: 14px;
    line-height: 1.8;
    text-align: justify;
}

    .chair-intro p {
        margin-bottom: 12px;
    }

        .chair-intro p:last-child {
            margin-bottom: 0;
        }

/* 主席简介响应式调整 */
@media (max-width: 992px) {
    .chair-row {
        flex-direction: column;
        text-align: center;
        padding: 20px 0;
    }

    .chair-img-col {
        margin-bottom: 20px;
        padding-left: 0;
        padding-right: 0;
    }

    .chair-text-col {
        /* padding-left: 0; */
        /* padding-right: 0; */
    }

    .chair-intro {
        /* text-align: left; */
    }

    .chair-name {
        font-size: 18px;
    }

    .chair-title {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .chair-img-container {
        max-width: 160px;
    }

    .chair-intro {
        /* font-size: 13px; */
        /* line-height: 1.7; */
    }

    .chair-name {
        font-size: 17px;
    }

    .chair-title {
        /* font-size: 13px; */
    }
}

/* 名誉主席样式 */
.chair-simple-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-left: -10px;
    margin-right: -10px;
}

.chair-simple-col {
    flex: 0 0 calc(25% - 10px); /* 4列布局 */
    max-width: calc(25% - 10px);
    padding-left: 10px;
    padding-right: 10px;
    margin-bottom: 20px;
}

.chair-simple-card {
    text-align: center;
    padding: 15px;
    background-color: #fafafa;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    height: 100%;
}

.chair-simple-img {
    width: 180px;
    height: 220px;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border: 1px solid #f0f0f0;
}

.chair-simple-name {
    color: #485C9F;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 4px;
}

.chair-simple-title {
    color: #333;
    font-size: 15px;
    line-height: 2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

/* 名誉主席响应式调整 */
@media (max-width: 992px) {
    .chair-simple-col {
        flex: 0 0 calc(50% - 20px); /* 中等屏幕2列 */
        max-width: calc(50% - 20px);
    }
}

@media (max-width: 768px) {
    .chair-simple-col {
        flex: 0 0 calc(50% - 8px); /* 手机端2列 */
        max-width: calc(50% - 8px);
        padding-left: 5px;
        padding-right: 5px;
    }

    .chair-simple-img {
        width: 100px;
        height: 130px;
    }

    .chair-simple-name {
        font-size: 14px;
    }

    .chair-simple-title {
        font-size: 11px;
    }
}

@media (max-width: 576px) {
    .chair-simple-col {
        flex: 0 0 calc(50% - 8px); /* 超小屏幕保持2列 */
        max-width: calc(50% - 8px);
    }
}

.p-6 {
    padding: 30px !important;
}

/* Borders Styles */
.border-dashed-bottom-1 {
    border-bottom: 1px dashed #70707057;
}

.border-dashed-bottom-2 {
    border-bottom: 2px dashed #70707057;
}

.border-social {
    border: 1px solid #f7f7f757;
}

.border-lightgrey {
    border-color: #f7f7f757 !important;
}


/* Box Shadow */
.box-shadow {
    box-shadow: 0 0 15px 0 rgba(0, 0, 0, .1) !important;
}

.personal-info {
}

    .personal-info p {
        line-height: 1.8;
        text-align: justify;
        font-size: 16px;
    }

.dateinfo {
    width: 900px;
    margin: 0 auto;
}

    .dateinfo img {
        width: 100%;
        height:auto;
    }

/* 组委会容器样式：PC端限制70%宽度并居中 */
.committee-container {
    max-width: 70%;
    margin-left: auto;
    margin-right: auto; /* 水平居中 */
}

/* 移动端不限制宽度（全屏展示） */
@media (max-width: 768px) {
    .committee-container {
        max-width: 100%; /* 取消宽度限制 */
        padding-left: 15px;
        padding-right: 15px; /* 保留左右内边距，避免内容贴边 */
    }
}

/* 赞助商区域样式 */
.sponsor-section {
    background-color: #f5f7fa;
    padding: 30px 0;
    /* margin-top: 40px; */
}

.sponsor-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.sponsor-logo {
    flex: 0 0 auto;
}

.sponsor-text-container {
    /* flex: 1; */
    min-width: 0;
}

.sponsor-main-text {
    color: #485C9F;
    font-size: 24px;
    font-weight: 500;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 嘉宾详情按钮样式 */
.guest-detail-btn {
    margin-top: 8px;
    margin-bottom: 8px;
    padding: 4px 15px;
    font-size: 14px;
    background-color: #485C9F;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
}

    .guest-detail-btn:hover {
        background-color: #3a4b80;
        color: white;
    }

/* 特邀嘉宾区域样式 */
.invited-guests {
    margin: 0 auto;
}

.invited-group-1 {
    max-width: 70%;
    margin: 0 auto 40px; /* 第一部分占70%宽度 */
}

.invited-group-2 {
    max-width: 100%;
    margin: 0 auto 40px; /* 第二部分占100%宽度 */
}

.guest-group-title {
    color: #485C9F;
    font-size: 24px;
    font-weight: 700;
    margin: 30px 0 20px;
    text-align: center;
}

/* 特邀嘉宾第一部分（2列） */
.invited-row-2 {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 2rem;
    margin: 0 -10px;
}

.invited-col-2 {
    flex: 0 0 calc(50% - 1rem);
    max-width: calc(50% - 1rem);
    padding: 0 10px;
    margin-bottom: 20px;
}

/* 特邀嘉宾第二部分（3列）- 修复PC端布局 */
.invited-row-3 {
    display: flex;
    flex-wrap: wrap;、
    gap: 1.5rem; /* 合理间隙，避免换行 */
    margin: 0 -10px;
}

.invited-col-3 {
    flex: 0 0 calc(33.333% - 1rem); /* 3列均分，减去间隙 */
    max-width: calc(33.333% - 1rem);
    padding: 0 8px;
    margin-bottom: 20px;
}

/* 特邀嘉宾响应式调整 */
@media (max-width: 992px) {
    .invited-col-3 {
        flex: 0 0 calc(50% - 0.75rem); /* 中等屏幕2列 */
        max-width: calc(50% - 0.75rem);
    }
}

@media (max-width: 768px) {
    .sponsor-container {
        flex-direction: column;
        text-align: center;
    }

    .sponsor-main-text {
        font-size: 16px;
    }

    .invited-group-1 {
        max-width: 100%;
    }

    /* 手机端特邀嘉宾统一2列 */
    .invited-col-2,
    .invited-col-3 {
        flex: 0 0 calc(50% - 8px);
        max-width: calc(50% - 8px);
    }

    .invited-row-2,
    .invited-row-3 {
        gap: 0.2rem; /* 统一手机端间隙 */
        padding: 0px;
    }
}




/* 会议地点区域整体样式 */
.venue-section {
    padding: 0 15px;
}

/* 左侧信息区域 */
.venue-info {
    padding: 0 20px;
}

/* 酒店基本信息 */
.venue-basic {
    /* padding-bottom: 15px; */
    /* border-bottom: 1px solid #f0f0f0; */
}

.venue-name {
    color: #485C9F;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.venue-address,
.venue-tel {
    color: #333;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 8px;
}

    .venue-address i,
    .venue-tel i {
        color: #485C9F;
        margin-right: 8px;
        font-size: 18px;
    }

/* 交通指南 */
.venue-traffic {
    /* margin-top: 25px; */
}

.traffic-title {
    color: #485C9F;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 18px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.traffic-list {
    display: flex;
    flex-direction: column;
    gap: 15px; /* 交通项间距 */
}

.traffic-item {
    padding: 10px 15px;
    background-color: #fafafa;
    border-radius: 6px;
}

.traffic-place {
    color: #333;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 5px;
}

.traffic-detail {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 0;
}

/* 右侧图片区域 */
.venue-img-col {
    padding: 12px;
}

.venue-img {
    max-height: 500px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

/* 分隔线 */
.venue-divider {
    border-bottom: 1px dashed #ccc;
    margin: 30px 0;
}

/* 酒店简介 */
.venue-intro {
    margin-top: 10px;
}

.intro-title {
    color: #485C9F;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.intro-content {
    color: #333;
    font-size: 15px;
    line-height: 1.8;
    text-align: justify;
}

/* 说明区域 */
.venue-notice {
    background-color: #f5f7fa;
    padding: 20px 25px;
    border-radius: 8px;
    margin: 30px 0;
    line-height: 1.8;
}

    .venue-notice p {
        color: #333;
        font-size: 15px;
        margin-bottom: 12px;
    }

        .venue-notice p:last-child {
            margin-bottom: 0;
        }

/* 会务联系区域 */
.contact-section {
    margin-top: 20px;
}

.contact-list {
    gap: 21px; /* 联系人间距 */
}

.contact-item {
    /* padding: 0 10px; */
}

.contact-card {
    background-color: #fafafa;
    border-radius: 8px;
    padding: 20px 15px;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    height: 100%;
}

.contact-name {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.contact-phone {
    color: #485C9F;
    font-size: 15px;
    margin-bottom: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .venue-info {
        padding: 0 10px;
        margin-bottom: 10px;
    }

    .venue-name {
        font-size: 18px;
    }

    .venue-address,
    .venue-tel {
        font-size: 14px;
    }

    .traffic-title {
        font-size: 16px;
    }

    .traffic-place {
        font-size: 15px;
    }

    .traffic-detail {
        font-size: 14px;
    }

    .intro-title {
        font-size: 16px;
    }

    .intro-content {
        font-size: 14px;
    }

    .venue-notice {
        padding: 15px 20px;
    }

        .venue-notice p {
            font-size: 14px;
        }

    .contact-card {
        padding: 15px 10px;
    }

    .contact-name {
        font-size: 15px;
    }

    .contact-phone {
        font-size: 14px;
    }
}


/* 修复布局错位问题 + 图标样式 */
.contact-list {
    margin: 0 -10px; /* 抵消内边距影响 */
    gap: 15px; /* 减小间距，避免换行 */
}

.contact-item {
    padding: 0 10px;
    flex: 0 0 49%; /* 强制占50%宽度，确保一排2个 */
    max-width: 49%;
}

/* 联系信息图标样式 */
.contact-phone i,
.contact-email i {
    color: #485C9F;
    margin-right: 8px;
    width: 20px; /* 固定图标宽度，对齐文字 */
}

.contact-phone,
.contact-email {
    color: #485C9F;
    font-size: 15px;
    margin-bottom: 6px;
    line-height: 1.6;
}

.contact-email {
    margin-bottom: 0; /* 最后一项取消底部间距 */
}

/* 响应式优化 */
@media (max-width: 768px) {
    .contact-item {
        flex: 0 0 100%; /* 移动端一排1个，避免拥挤 */
        max-width: 100%;
    }

    .contact-card {
        padding: 15px;
    }
}


.speaker-img {
    text-align: center;
}

/* 响应式基础适配 */
@media (max-width: 768px) {
    .mb-5 {
        margin-bottom: 20px !important;
    }
    /* 标题适配 */
    .section-title .htitle1 {
        font-size: 22px;
    }

    .section-title .htitle4:after {
        width: 50px;
    }

    /* 正文适配 */
    .content-block {
        padding-bottom: 20px;
        font-size: 14px;
        text-indent: 24px;
    }


    .personal-info p {
        line-height: 1.8;
        text-align: justify;
        font-size: 14px;
    }

    /* 卡片适配 */
    .unit-card {
        padding: 12px;
    }

    /* 文字适配 */
    .sponsor-text {
        font-size: 12px;
    }

    /* 图片适配 */
    .unit-img {
        height: 120px !important;
    }

    .sponsor-img {
        height: 40px !important;
    }

    /* 列间距适配 */
    .unit-col {
        padding-left: 0;
        padding-right: 0;
        margin-bottom: 25px;
    }

    .sponsor-col {
        padding-left: 8px;
        padding-right: 8px;
        margin-bottom: 20px;
        width: 50% !important; /* 赞助商2列布局 */
    }
}