/* ============================================================
   首页「领航互联网」四大服务卡片 优化样式（独立文件，不影响其他模块）
   ============================================================ */

/* ---------- 去掉穿过卡片的波浪装饰线 ---------- */
.index-advantage .advantage-content:after {
    display: none !important;
}

/* 去掉第 3、4 卡片为配合波浪线做的按钮高低偏移，统一位置 */
.index-advantage .advantage-card-wrapper:nth-child(3) .advantage-card-btn,
.index-advantage .advantage-card-wrapper:nth-child(4) .advantage-card-btn {
    margin-top: 24px !important;
}

/* ---------- 卡片整体 ---------- */
.index-advantage .advantage-card {
    height: 380px !important;
    border: 1px solid #ecf1f7 !important;
    border-radius: 16px !important;
    box-shadow: 0 8px 22px rgba(30, 70, 140, 0.07);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s;
    box-sizing: border-box;
}

.index-advantage .advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(30, 80, 170, 0.15);
    border-color: #d8e6f8 !important;
}

/* ---------- 顶部圆形图标 ---------- */
.index-advantage .advantage-card-icon {
    background: linear-gradient(135deg, #eaf1ff 0%, #dbe8ff 100%);
    box-shadow: 0 8px 18px rgba(60, 126, 229, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.index-advantage .advantage-card:hover .advantage-card-icon {
    background: linear-gradient(135deg, #2b93ea 0%, #0074D2 100%);
    color: #fff;
    transform: scale(1.06);
    box-shadow: 0 10px 22px rgba(0, 116, 210, 0.38);
}

/* ---------- 标题与描述 ---------- */
.index-advantage .advantage-card-title {
    font-size: 19px !important;
    color: #1f2d3d !important;
}

.index-advantage .advantage-card-span {
    color: #97a3b5 !important;
    font-size: 13px !important;
}

/* ---------- 按钮列表 ---------- */
.index-advantage .advantage-card-btn {
    width: 112px !important;
}

.index-advantage .advantage-card-btn a {
    padding: 7px 0 !important;
    margin-bottom: 12px !important;
    border-radius: 8px !important;
    border: 1px solid #cdddf3 !important;
    background: #f5f9fe !important;
    color: #2b6cb8 !important;
    font-size: 13px !important;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.index-advantage .advantage-card-btn a:hover {
    background: #0074D2 !important;
    border-color: #0074D2 !important;
    color: #fff !important;
    transform: translateX(3px);
    box-shadow: 0 6px 14px rgba(0, 116, 210, 0.28);
}

/* 第一个主按钮：蓝色渐变，去掉向下箭头和额外间距 */
.index-advantage .advantage-card-btn a:first-child {
    margin-bottom: 14px !important;
    background: linear-gradient(135deg, #2b93ea 0%, #0074D2 100%) !important;
    border: none !important;
    color: #fff !important;
    box-shadow: 0 8px 16px rgba(0, 116, 210, 0.3);
}

.index-advantage .advantage-card-btn a:first-child:after {
    display: none !important;
}

.index-advantage .advantage-card-btn a:first-child:hover {
    background: linear-gradient(135deg, #1e86de 0%, #0064B5 100%) !important;
}