/* ================= 基础重置 ================= */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.6;
        }

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

        ul { list-style: none; }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }


        /* ================= 首屏 Hero ================= */
        .hero {
            background: url(../img/hyzx_banner.png) no-repeat center center;
            padding: 80px 0;
            overflow: hidden;
        }
        .hero .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .hero-text { flex: 1; padding-right: 40px; }
        .hero-text h1 {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 15px;
            color: #1a1a1a;
        }
        .hero-text p {
            font-size: 18px;
            color: #555;
            letter-spacing: 1px;
        }
        .hero-img { flex: 1; text-align: right; }
        .hero-img img { max-width: 100%; height: auto; border-radius: 20px; }

        /* ================= 通用区块标题 ================= */
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title h2 {
            font-size: 32px;
            margin-bottom: 10px;
            color: #222;
        }
        .section-title p {
            color: #666;
            font-size: 16px;
        }

        /* ================= 1. 行业动态与市场现状 ================= */
        .status-section {
            padding: 40px 0;
        }
        .status-cards {
            display: grid;
            grid-template-columns: repeat(4, 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%;/* height: 120px; */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; }

        /* ================= 2. 竞品对标与机会发掘 ================= */
        .competitor-section { 
            padding: 80px 0; 
            background: url(../img/hyzx_bg.png) no-repeat center center;   
        }
        .competitor-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .competitor-img { flex: 1.2; }
        .competitor-img img { width: 100%; border-radius: 12px; background: #eef5ff; }
        .competitor-list { 
            flex: 1; 
            display: flex; 
            flex-direction: column; 
            gap: 20px; 
            background-color: #fff;
            padding: 15px;
            border-radius: 10px;
        }
        .list-item { 
            display: flex; 
            gap: 15px; 
            border-bottom:1px solid #dbdbdb;
            padding-bottom: 10px;
            
        }
        .list-item:last-child{
            border-bottom: none;
        }
        .list-icon img{
            width: 100%;
        }
        .list-icon {
            width: 50px; height: 50px;  border-radius: 50%; flex-shrink: 0;
            display: flex; justify-content: center; align-items: center; color: #fff; font-size: 14px;
        }
        .list-text h4 { font-size: 18px; margin-bottom: 5px; color: #333; }
        .list-text p { font-size: 14px; color: #666; }

        /* ================= 3. 购买行为与需求洞察 ================= */
        .insight-section {padding: 50px 0;/* background: #f8fbff; */}
        .insight-content {
            display: grid;
            grid-template-columns: 1fr 1.5fr 1fr;
            align-items: center;
            gap: 20px;
        }
        .insight-side { display: flex; flex-direction: column; gap: 30px; }
        .insight-item { text-align: center; padding: 20px; background: #fff; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.03);}
        .insight-item h4>img{
            width: 30px;
            margin-right: 10px;
        }
        .insight-item h4 { color: #0056b3; margin-bottom: 8px; font-size: 16px;display: flex;align-items: center; }
        .insight-item p { font-size: 13px; color: #666; text-align: left;}
        .insight-center img { width: 100%; max-width: 400px; display: block; margin: 0 auto; background: #eef5ff; border-radius: 12px; padding: 10px;}

        /* ================= 4. 定制化研究与咨询 ================= */
        .custom-section {padding: 50px 0;background: #fff;}
        .custom-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .custom-card {
            border-radius: 12px;
            padding: 30px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .custom-card.c1 { 
            background: url(../img/hyzx_dzhdi1.png) no-repeat center center;

         }
        .custom-card.c2 {  
            background: url(../img/hyzx_dzhdi2.png) no-repeat center center;
        }
        .custom-card.c3 { 
            background: url(../img/hyzx_dzhdi3.png) no-repeat center center;
        }
        .custom-card.c4 {
            background: url(../img/hyzx_dzhdi4.png) no-repeat center center;
         }

        .custom-card h3 { font-size: 22px; margin-bottom: 10px; }
        .custom-card p {font-size: 14px;opacity: 0.9;max-width: 44%;}

        /* ================= 5. 研究案例 ================= */
        .case-section {padding: 50px 0;background: #f8fbff;}
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .case-card {
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
        }
        .case-card img { width: 100%; height: 180px; object-fit: cover; background: #ddd; }
        .case-info { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .case-info h3 { font-size: 16px; margin-bottom: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .case-info 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-tag {
            display: inline-block;
            background: #e3f2fd;
            color: #0056b3;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 12px;
            align-self: flex-start;
        }
        .btn-more {
            display: block;
            width: 150px;
            margin: 40px auto 0;
            text-align: center;
            padding: 10px 0;
            border: 1px solid #0056b3;
            color: #0056b3;
            border-radius: 25px;
            font-size: 14px;
            transition: all 0.3s;
        }
        .btn-more:hover { background: #0056b3; color: #fff; }

        /* ================= 响应式适配 (移动端) ================= */
        @media (max-width: 992px) {
            .status-cards { grid-template-columns: repeat(2, 1fr); }
            .competitor-content { flex-direction: column; }
            .insight-content { grid-template-columns: 1fr; }
            .insight-center { order: -1; margin-bottom: 30px; } /* 图片置顶 */
            .custom-grid { grid-template-columns: 1fr; }
            .case-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .competitor-section,.custom-section{
                padding: 20px 0;
                background-size: auto 100%;
            }
            .hero .container { flex-direction: column; text-align: center; }
            .hero-text { padding-right: 0; margin-bottom: 40px; }
            .hero-text h1 { font-size: 36px; }
            .status-cards { grid-template-columns: 1fr; }
            .insight-side { flex-direction: row; flex-wrap: wrap; }
            .insight-item { flex: 1 1 45%; }
            .case-grid { grid-template-columns: 1fr; }
        }