/* 全局重置与变量 */
        :root {
            --primary-blue: #3b82f6;
            --light-blue: #eff6ff;
            --bg-blue: #f5f9ff;
            --text-main: #333333;
            --text-gray: #666666;
            --text-light: #999999;
            --white: #ffffff;
            --border-radius: 12px;
            --border-radius-lg: 20px;
            --container-width: 1200px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        body {
            color: var(--text-main);
            line-height: 1.6;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 标题统一样式 */
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-title h2 {
            font-size: 32px;
            font-weight: bold;
            margin-bottom: 10px;
        }
        .section-title p {
            font-size: 16px;
            color: var(--text-gray);
        }

        /* 顶部导航 */
       

        /* 顶部横幅 Hero */
        .hero {
            background: linear-gradient(135deg, #e6f0ff 0%, #d9ecff 100%);
            padding: 12px 0!important;
            overflow: hidden;
            background: url(../img/hyzx_banner.png) no-repeat center center;
        }
        .hero-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }
        .hero-text {
            flex: 1;
        }
        .hero-text h1 {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 20px;
        }
        .hero-text p {
            font-size: 20px;
            color: var(--text-gray);
        }
        .hero-image {
            flex: 1;
            text-align: right;
        }
        .hero-image-placeholder {
          
        }

        /* 12步标准化流程 */
        .process-section {
            padding: 50px 0;
            background: var(--white);
        }
        .process-row {
            display: flex;
            background: #f8f9fc;
            border-radius: var(--border-radius-lg);
            margin-bottom: 20px;
            overflow: hidden;
            align-items: center;
            padding: 10px 20px;
        }
        .process-label {
            width: 400px;
            padding: 30px 20px;
            text-align: center;
            color: var(--white);
            font-weight: bold;
            flex-shrink: 0;
            text-align: left;
            border-radius: 10px;
        }
        .label-1 {
            background: url(../img/dyzx_lxicon1.png) no-repeat center center;


         }
        .label-2 { 
            background: url(../img/dyzx_lxicon2.png) no-repeat center center;

         }
        .label-3 { 
            background: url(../img/dyzx_lxicon3.png) no-repeat center center;

         }
        
        .process-steps {
            display: flex;
            flex: 1;
            padding: 20px;
            gap: 10px;
            align-items: center;
            justify-content: space-around;
        }
        .step-item {
            text-align: center;
            flex: 1;
            position: relative;
        }
        .step-icon {
            width: 60px;
            height: 60px;
            background: var(--white);
            border-radius: 50%;
            margin: 0 auto 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            font-size: 24px;
        }
        .step-icon >img{
            width: 100%;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-gray);
        }
        .step-arrow {
            color: #ccc;
            font-size: 20px;
            font-weight: bold;
        }
        .process-footer-note {
            color: var(--primary-blue);
            background: #e0f2fe;
            padding: 15px;
            border-radius: 15px;
            display: flex;
            margin: 20px auto 0;
            align-items: center;
            position: relative;
           width: 100%;
           justify-content: center;

        }
        .process-footer-note>img{
            width:30px;
            height: 30px;
            margin-right: 10px;
        }
        

        /* 防作弊与到场保障 */
        .anti-cheat {
            padding: 40px 0;
            background: url(../img/dyzx_bg.png) no-repeat center center;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--white);
            padding: 12px;
            border-radius: var(--border-radius);
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            display: flex;
            gap: 15px;
            align-items: flex-start;
            transition: transform 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(59, 130, 246, 0.1);
        }
        .feature-icon {
            width: 90px;
            height: 90px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-size: 24px;
            flex-shrink: 0;
        }
        .feature-icon>img{
            width: 100%;
        }
        .feature-content h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .feature-content p {
            font-size: 14px;
            color: var(--text-gray);
        }

        /* 定量调研支撑 */
        .quantitative {
            padding: 80px 0;
            background: var(--white);
        }
        .quantitative-inner {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        .quant-image {
            flex: 1;
            height: 350px;
        }
        .quant-list {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .quant-item{
            display: flex;
        }
        .quant-item>.quant-icon{
            margin-right: 15px;
        }
         .quant-item>.quant-icon >img{
            width: 100%;
         }


        .quant-item h3 {
            font-size: 18px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .timeline-step h3 p{
            font-size: 14px;
            font-weight: normal;
            color: #464646;
        }
       
        .quant-item p {
            font-size: 14px;
            color: var(--text-gray);
        }

        /* 活动组织与线下管控 */
        .activity-control {
            padding: 80px 0;
        }
        .timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
            gap: 10px;
            align-content: center;
        }
        .timeline::before {
            content: '';
            position: absolute;
            top: 30px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: #dbeafe;
            z-index: 1;
        }
        .timeline-step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .timeline-step:nth-child(2){
            width: 50%;
            flex: 2;
        }


        .timeline-icon {
            width: 60px;
            height: 60px;
            background: var(--white);
            border: 2px solid #dbeafe;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary-blue);
            font-size: 24px;
        }
        .timeline-step h3 {
            font-size: 20px;
            color: var(--primary-blue);
            margin-bottom: 20px;
        }
        .timeline-content-box {
            /* background: var(--white); */
            border-radius: var(--border-radius);
            /* box-shadow: 0 5px 15px rgba(0,0,0,0.03); */
            text-align: left;
            min-height: 150px;
            display: flex;
            position: relative;
            height: 100%;
            margin-top: -20px;
            align-items:center;
        }
        .timeline-content-box img{
            width: 100%;
            height: auto;
        }


        .timeline-content-box>.left{
            width: 100%;
        }
        .timeline-content-box>.left>img{
            width: 100%;
        }
        .timeline-content-box p {
            font-size: 14px;
            color: var(--text-gray);
            margin-bottom: 10px;
        }
        .timeline-content-box .right{
            position: absolute;
            width: 38%;
            right: 15px;
        }
        .timeline-content-box .right .item{
            background-color: #fff;
            padding: 10px;
            margin-bottom: 10px;
            border-radius: 5px;

        }
        .timeline-content-box .right .item .tit{
            display: flex;
            align-items: center;
            font-size: 20px;
            font-weight: bold;

        }
         .timeline-content-box .right .item .tit>img{
            margin-right: 10px;
            width: 30px;
         }

         .timeline-content-box .right .item .con{
            font-size: 14px;
         }


        /* 执行网络与场地 */
        .network-venues {
            padding: 80px 0;
            background: var(--white);
            background: url(../img/dyzx_bg2.png) no-repeat center center;
        }
        .network-inner {
            display: flex;
            gap: 50px;
            align-items: center;
        }
        .network-list {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .network-card {
            display: flex;
            gap: 15px;
            background: #f8fafc;
            padding: 10px;
            border-radius: var(--border-radius);
        }
        .network-card h3 {
            font-size: 18px;
            margin-bottom: 5px;
        }
        .network-card p {
            font-size: 14px;
            color: var(--text-gray);
        }
        .network-map {
            flex: 1;
            height: 400px;
            /* background: url('https://via.placeholder.com/600x400/eff6ff/3b82f6?text=World+Map+Placeholder') no-repeat center/contain; */
        }

        /* 研究案例 */
        .case-studies {
            padding: 0px 0 80px 0;
            background: #fff;
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .case-card {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            background: #fff;
            transition: transform 0.3s;
        }
        .case-card img.cover {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .case-card:hover {
            transform: translateY(-5px);
        }

        .case-img {
            height: 200px;
            background-color: #f0f0f0;
        }

        .case-content {
            padding: 20px;
        }

        .case-content h4 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--text-dark);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .case-content p {
            font-size: 14px;
            color: var(--text-gray);
            margin-bottom: 20px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .case-btn-wrap {
            text-align: center;
        }
        .btn-detail {
            align-self: flex-start;
            background: var(--primary-blue);
            color: var(--white);
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 14px;
        }
        .btn-more-container {
            text-align: center;
            margin-top: 40px;
        }
        .btn-more {
            display: inline-block;
            padding: 10px 40px;
            border: 1px solid var(--primary-blue);
            color: var(--primary-blue);
            border-radius: 30px;
            font-size: 16px;
        }

         .status-section {
            padding: 40px 0;
            background: url(../img/dyzx_bg.png) no-repeat center center;
            background-size: cover;
        }
        .status-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .status-card {
            background: #fff;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        .status-card:hover { transform: translateY(-5px); }
        .status-card img { width: 100%;  object-fit: cover; border-radius: 8px; margin-bottom: 15px; background: #eef5ff;}
        .status-card h3 { font-size: 18px; margin-bottom: 10px; }
        .status-card p { font-size: 13px; color: #777; }

        /* 底部 */

        /* 响应式适配 (移动端) */
        @media (max-width: 768px) {
            .section-title h2 { font-size: 24px; }
            
            /* 导航 */
            .header-inner { justify-content: center; }

            /* Hero */
            .hero { padding: 40px 0; }
            .hero-inner { flex-direction: column; text-align: center; }
            .hero-text h1 { font-size: 32px; }
            .hero-text p { font-size: 16px; }
            .hero-inner{
                gap: 0;
            }
            .hero-image-placeholder { 
                margin: 20px auto 0; 
            }
            .hero-image-placeholder img { width: 60%; }
            .anti-cheat{
                background-size:auto 100%;
            }
            

            /* 流程 */
            .process-row { flex-direction: column; }
            .process-label { width: 100%; padding: 15px; }
            .process-steps { flex-direction: column; gap: 20px; }
            .step-arrow { transform: rotate(90deg); margin: 10px 0; }

            /* 网格布局变单列 */
            .grid-3, .quant-list, .case-grid { grid-template-columns: 1fr; }

            /* 定量支撑 */
            .quantitative-inner { flex-direction: column; }
            .quant-image { height: 250px; width: 100%; }
            .quant-image>img{
                width: 100%;
            }
            .quantitative,.activity-control,.network-venues{
                padding: 20px 0;
                background-size: auto 100%;
            }

            /* 时间轴 */
            .timeline {flex-direction: column;gap: 18px;}
            .timeline::before { display: none; }
            .timeline-step { width: 100%!important; }
            .timeline-step >.timeline-content-box{
                display: none;
            }
            .timeline-step:nth-child(2)>.timeline-content-box{
                display: block;
            }
            .timeline-step:nth-child(2)>.timeline-content-box >.left{
                display: none;
            }
            .timeline-step:nth-child(2)>.timeline-content-box >.right{
                position: relative;
                width: 100%;
                right: initial;
            }
            

            /* 网络场地 */
            .network-inner { flex-direction: column; }
            .network-map { height: 250px; width: 100%; }
            .network-map img{
                width: 100%;
            }
            .status-cards { grid-template-columns: 1fr; }

            /* 页脚 */
        }