.foot{margin-top:0;}
.fn_h{height:60px;}
/* 导航样式 - 核心修改：固定宽度，保持原有高度 */
.nav-list{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;margin:0;padding:0;gap:15px 20px;text-align:center;}
.nav-item{list-style:none;margin:0;padding:0;flex:0 0 auto;}
.nav-link{
    font-size:18px;
    text-decoration:none;
    padding:8px 20px; /* 保留原有内边距，确保高度不变 */
    border-radius:6px;
    display:inline-block;
    width: 227px; /* 固定宽度（可根据需要调整） */
    box-sizing:border-box;
    background:#fff;
    color:#333;
    border:1px solid #ddd;
    transition:all 0.3s ease;
    text-align:center; /* 文字水平居中 */
    /* 保留原有高度相关设置 */
    line-height: normal;
    height: auto;
}
.nav-link:hover{background:#e6f0ff;color:#007bff;border-color:#b3d4ff;}
.nav-link.active{background:#007bff;color:#fff;font-weight:bold;box-shadow:0 2px 4px rgba(0,123,255,0.3);border-color:#007bff;}

/* 响应式导航 */
@media (max-width:767px){.nav-link{font-size:18px;}}
@media (max-width:768px){
    .nav-list{justify-content:center;padding-left:0;gap:15px;}
    .nav-item{flex:0 0 calc(50% - 15px);}
    /* 移动端也保持固定宽度 */
    .nav-link{width: 220px;}
}

/* 联系头部样式 */
.contact-header{display:flex;gap:30px;align-items:center;margin:10px 0;flex-wrap:wrap;}
.contact-info,.contact-hotline{padding:15px 20px;flex:1;min-width:250px;}

/* 标题样式 */
.main-title{font-size:30px;color:#000;letter-spacing:0.5px;line-height:1.4;}
.sub-title{font-size:16px;}
.sub-title b{color:#000;font-weight:500;letter-spacing:0.3px;}

/* 热线样式 */
.contact-hotline{font-size:26px;line-height:1.4;text-align:center;}
.contact-hotline b{color:#000;letter-spacing:0.5px;}

/* 分割线样式 */
.divider{height:2px;margin-top:12px;}
.left-divider{background:linear-gradient(90deg,#007bff 0%,transparent 100%);}
.right-divider{background:linear-gradient(90deg,transparent 0%,#007bff 100%);width:auto;margin-left:auto;margin-right:auto;}

/* 按钮样式 */
.desktop-submit-btn{display:none;flex:0 0 auto;justify-content:flex-end;}
#desktop-tj{margin:0;padding:8px 24px;cursor:pointer;background:#007bff;color:#fff;border:none;text-align:center;line-height:normal;display:inline-flex;align-items:center;justify-content:center;}
#mobile-tj{background:#007bff;color:#fff;border:none;padding:10px 30px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;margin:0 auto;line-height:1.2;border-radius:4px;}

/* 响应式适配 */
@media (max-width:768px){
    .contact-header{flex-direction:column;}
    .contact-hotline{text-align:left!important;padding-top:0!important;}
    .main-title{font-size:24px!important;}
    .divider{width:100%!important;margin-right:0!important;}
    .desktop-submit-btn{display:none!important;}
    #mobile-tj{display:flex!important;}
}
@media (min-width:769px){
    .desktop-submit-btn{display:flex!important;}
    #mobile-tj{display:none!important;}
}