.bai{
    
    max-width: 1320px;
    margin: auto;
}
    /* SEO服务卡片模块 基于Bootstrap3.3.5 */
.bai .warp {
    padding: 30px 15px;
}
.bai .areatit {
    margin-bottom: 30px;
}
.bai .areatit h1 {
    color: #d60000;
    font-size: 32px;
    font-weight: bold;
    margin: 0;
}
.bai .server .row > div {
    margin-bottom: 25px;
}
.bai .server .text {
    background: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    padding: 30px 24px;
    min-height: 220px;
    border-radius: 4px;
}
.bai .server .text h2 {
    font-size: 24px;
    font-weight: bold;
    margin: 0 0 16px 0;
    color: #222222;
}
.bai .server .text p {
    font-size: 15px;
    color: #444444;
    line-height: 1.7;
    margin: 0;
}

/* SEO优化指标模块 Bootstrap v3.3.5 */
.seo-index {
    background-color: #f4f7ff;
    padding: 60px 0;
}
.seo-index .index-title {
    margin-bottom: 45px;
}
.seo-index .index-title h2 {
    color: #d60000;
    font-size: 36px;
    font-weight: bold;
    margin: 0;
}
.seo-index .index-item {
    background: #ffffff;
    border-radius: 24px;
    padding: 40px 15px;
    text-align: center;
    margin-bottom:20px;
}
.seo-index .index-box {
    width: 120px;
    height: 120px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}
.seo-index .index-box .text {
    color: #ffffff;
    font-size: 22px;
    font-weight: bold;
    line-height:1.4;
}
/* 各个方块渐变颜色 */
.seo-index .box-blue {
    background: linear-gradient(135deg,#94b8ff,#44ccff);
}
.seo-index .box-pink {
    background: linear-gradient(135deg,#f478a8,#f25890);
}
.seo-index .box-orange {
    background: linear-gradient(135deg,#f2a048,#e07000);
}
.seo-index .box-green {
    background: linear-gradient(135deg,#73d658,#28a820);
}
.seo-index .box-cyan {
    background: linear-gradient(135deg,#44e0dd,#2888a8);
}
.seo-index .box-yellow {
    background: linear-gradient(135deg,#f2e868,#f28c58);
}

/* 贵阳为什么要做SEO优化模块 Bootstrap3.3.5 */
.bai .warp {
    padding: 30px 15px;
}
.bai .areatit {
    margin-bottom: 30px;
}
.bai .areatit h1 {
    margin:0;
}
.bai .areatit h1 a {
    color:#d60000;
    font-size:32px;
    font-weight:bold;
    text-decoration:none;
}
.bai .why .row > div {
    margin-bottom:25px;
}
.bai .why-item {
    background:#ffffff;
    box-shadow: 0 4px 14px rgba(0,0,0,0.12);
    padding:30px 24px;
    min-height:260px;
    border-radius:4px;
    text-align:center;
}
.bai .why-item .li-pic {
    margin-bottom:18px;
}
.bai .why-item .li-pic img {
    width:64px;
    height:64px;
}
.bai .why-item .li-text-tit h4 {
    font-size:20px;
    font-weight:bold;
    color:#111111;
    margin:0 0 14px 0;
}
.bai .why-item .li-text p {
    font-size:14px;
    color:#888888;
    line-height:1.7;
    margin:0;
    text-align:left;
}

.cont-2{ margin-top: 160px;}
.cont-2 h4{ font-weight: bold; font-size: 25px;}
.cont-2 p{ font-size: 16px; line-height: 30px;}

@media screen and (max-width:720px){
    
    .newspic{width:100%;height:200px} 
    .cont-2{ margin-top: 20px; padding-bottom: 40px; } 
    .cont-2 h4{ text-align:center; } 
    .cont-2 p{ text-align: center; }
    
}