body{
    font-family: 'Microsoft YaHei', sans-serif;
}
.mai-icon{
    background: #38f;
    color: #fff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin-right: 20px;
}
/*导航*/
.navbar{margin-bottom: 0;border-bottom: 1px solid #e6e6e6;}
.navbar-default{
    background-color: #fff;
    /* box-shadow: 0px 2px 8px 0px rgba(50,50,50,0.25); */
}
.navbar-default .navbar-brand {
    font-size: 30px;
    font-weight: bold;
    color: #38f;
    height: 70px;
    line-height: 35px;padding:0;
}
.navbar-default .navbar-nav>li>a {
    font-size: 16px;
    color: #444;
    height: 70px;
    line-height: 35px;
}
.navbar-default .navbar-nav>li>a:hover{color: #38f;}
.language-toggle{
    min-width: 86px;
    height: 34px;
    margin: 18px 0 0 14px;
    padding: 0 11px;
    border: 1px solid #38f;
    border-radius: 4px;
    background: #fff;
    color: #38f;
    font-size: 14px;
    font-weight: 600;
    line-height: 32px;
    box-shadow: 0 1px 2px rgba(0, 51, 136, 0.12);
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.language-toggle .glyphicon{
    margin-right: 6px;
    font-size: 13px;
}
.language-toggle:hover,
.language-toggle:focus{
    background: #38f;
    color: #fff;
    box-shadow: 0 3px 8px rgba(0, 102, 255, 0.24);
    transform: translateY(-1px);
    outline: none;
}
@media (max-width: 767px){
    .language-toggle{
        margin: 8px 15px;
    }
}
.navbar-toggle{
    margin-top: 17px;
}
.banner{
    position: relative;
    min-height: 430px;
    margin-bottom: 0;
    overflow: hidden;
    color: #fff;
    text-align: left;
    background: #20292c;
}
.banner .container{
    position: relative;
    z-index: 1;
    padding-top: 92px;
    padding-bottom: 76px;
}
.hero-data-art{
    position: absolute;
    right: 7%;
    bottom: 42px;
    width: 43%;
    height: 270px;
    border-right: 1px solid rgba(214, 237, 235, 0.32);
    border-bottom: 1px solid rgba(214, 237, 235, 0.32);
    opacity: 0.76;
}
.hero-grid-line{
    position: absolute;
    right: 0;
    left: 0;
    border-top: 1px solid rgba(214, 237, 235, 0.15);
}
.hero-grid-line-1{top: 0;}
.hero-grid-line-2{top: 25%;}
.hero-grid-line-3{top: 50%;}
.hero-grid-line-4{top: 75%;}
.hero-grid-line-5{bottom: 0;}
.hero-bar{
    position: absolute;
    bottom: 0;
    width: 11%;
    border-radius: 3px 3px 0 0;
}
.hero-bar-1{left: 10%; height: 34%; background: #4ba3c7;}
.hero-bar-2{left: 26%; height: 55%; background: #52a985;}
.hero-bar-3{left: 42%; height: 43%; background: #d7874d;}
.hero-bar-4{left: 58%; height: 72%; background: #4ba3c7;}
.hero-bar-5{left: 74%; height: 88%; background: #52a985;}
#home h1{
    margin: 0 0 22px;
    max-width: 690px;
    font-weight: bold;
    letter-spacing: 0;
}
#home p{
    max-width: 680px;
    margin-right: 0;
    margin-bottom: 16px;
    margin-left: 0;
    font-size: 17px;
    line-height: 1.7;
}
#home .btn{
    margin-top: 8px;
    border-radius: 4px;
}
@media (max-width: 767px){
    .banner{
        min-height: 390px;
        text-align: center;
    }
    .banner .container{
        padding-top: 72px;
        padding-bottom: 62px;
    }
    .hero-data-art{
        right: -18%;
        bottom: 0;
        width: 90%;
        height: 180px;
        opacity: 0.32;
    }
    #home h1{
        font-size: 30px;
    }
    #home p{
        margin-right: auto;
        margin-left: auto;
        font-size: 16px;
    }
}
.lvjing{
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    padding: 80px 0;
}
/*home*/
/* #home{
    margin-top: 70px;
    background: url("../images/home-bg.jpg");
    background-size: cover;
    color: #ffffff;
    text-align: center;
    width: 100%;
}
#home h1{
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 25px;
}
#home p{
    font-weight: 400;
    line-height: 35px;
}
#home img{
    margin-top: 30px;
    display: inline-block;
} */
/*bbs*/
#bbs{
    padding: 80px 0;
    text-align: center;
}
#bbs .col-md-4{
    padding: 15px;
}
#bbs .col-md-4:hover{
    background: #f1f1f1;
    box-shadow: 1px 1px 4px #ccc;
}
#bbs a{
    color: #212121;
    text-decoration: none;
}
#bbs .feature-icon{
    display: block;
    min-height: 54px;
    margin: 0 auto 16px;
    font-size: 48px;
    line-height: 54px;
}
#bbs .feature-icon-tech{
    color: #2574c9;
}
#bbs .feature-icon-supply{
    color: #238b6d;
}
#bbs .feature-icon-support{
    color: #d97024;
}

/*HTML5 + bootstrap*/
#html5{
    background: #f8f8f8;
}
#html5 , #bootstrap{
    padding: 80px 0;
}
#html5 h2 , #bootstrap h2{
    font-weight: bold;
}
#html5 p  , #bootstrap p{
    line-height: 25px;
}

/*course*/
#course{
    background: #f8f8f8;
    padding: 80px 0;
    text-align: center;
}
#course h2{
    font-weight: bold;
    margin-bottom: 14px;
}
#course .service-section-intro{
    max-width: 720px;
    margin: 0 auto 42px;
    color: #666;
    line-height: 1.7;
}
#course .col-md-3{
    margin-bottom: 20px;
}
.course {
    background: #ffffff;
    border: 1px solid #eee;
}
.service-card{
    min-height: 230px;
    padding: 30px 22px;
    text-align: left;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.service-card:hover{
    border-color: #38f;
    box-shadow: 0 6px 16px rgba(0, 102, 255, 0.12);
    transform: translateY(-2px);
}
.service-icon{
    display: inline-block;
    margin-bottom: 18px;
    color: #38f;
    font-size: 28px;
}
.service-card h3{
    min-height: 40px;
    margin: 0 0 12px;
    color: #333;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.35;
}
.service-card p{
    margin: 0;
    color: #666;
    font-size: 14px;
    line-height: 1.75;
}
#course .btn{
    background: transparent;
    border: 1px solid #38f;
    border-radius: 0px;
    color: #38f;
    margin-top: 20px;
    margin-bottom: 30px;
    padding: 8px 40px;
    transition: all 0.3s;
}
#course .btn:hover{
    background: #38f;
    color: #fff;
}
.course .case-img{width:100%;height:auto;}

/*app*/
#app{
    padding: 80px 0;
}
#app h2{
    font-weight: bold;
    padding-bottom: 30px;
}
#app .btn{
    margin: 10px 0;
    background: rgb(64, 210, 177);
    border-color: rgb(64, 210, 177);
    border-radius: 0;
    padding: 6px 30px;
    transition: all 0.3s;
}
#app .btn:hover{
    background: rgb(44, 142, 120);
}

/* 隐私政策 & 服务条款 */
#privacy, #terms{
    padding: 80px 0;
    background: #fff;
}
#terms{
    background: #f8f8f8;
}
#privacy h2, #terms h2{
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 30px;
    color: #333;
}
#privacy h3, #terms h3{
    font-size: 18px;
    font-weight: bold;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #38f;
}
#privacy h4, #terms h4{
    font-size: 16px;
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 10px;
    color: #444;
}
#privacy p, #terms p{
    line-height: 1.8;
    margin-bottom: 12px;
    color: #555;
    text-align: justify;
}
#privacy ul, #terms ul{
    margin-bottom: 15px;
    padding-left: 20px;
}
#privacy ul li, #terms ul li{
    line-height: 1.8;
    color: #555;
    margin-bottom: 6px;
}
.lang-tab{
    margin-bottom: 30px;
}
.lang-tab .btn{
    border-radius: 0;
    padding: 6px 20px;
    margin-right: 5px;
    font-size: 14px;
    transition: all 0.3s;
}
.lang-tab .btn-default{
    border: 1px solid #38f;
    color: #38f;
    background: #fff;
}
.lang-tab .btn-default:hover,
.lang-tab .btn-default.active{
    background: #38f;
    color: #fff;
}
.lang-content{display: none;}
.lang-content.active{display: block;}

/*pricing*/
#pricing{
    padding: 80px 0;
    background: #f8f8f8;
}
#pricing .col-md-4{
    padding: 15px;
}
.pricing-card{
    background: #ffffff;
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.pricing-card:hover{
    border-color: #38f;
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.15);
    transform: translateY(-3px);
}
.pricing-card.pricing-featured{
    border-color: #38f;
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.2);
    transform: translateY(-5px);
}
.pricing-header{
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid #eee;
}
.pricing-header h4{
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: bold;
    color: #333;
}
.pricing-header span{
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    margin-bottom: 12px;
}
.pricing-card:not(.pricing-featured) .pricing-header span{
    background: #f0f4ff;
    color: #38f;
}
.pricing-featured .pricing-header span{
    background: #38f;
    color: #fff;
}
.pricing-header h2{
    margin: 0;
    font-size: 44px;
    font-weight: bold;
    color: #ff0000;
}
.pricing-header .pricing-price{
    font-size:32px;
    font-weight: bold;
}
.pricing-header h2 sup{
    font-size: 18px;
    top: -12px;
}
.pricing-header h2 sub{
    font-size: 14px;
    color: #999;
    font-weight: normal;
}
.pricing-card ul{
    margin: 0;
    padding: 20px 20px;
    list-style: none;
}
.pricing-card ul li{
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    text-align: center;
    color: #555;
    font-size: 14px;
}
.pricing-card ul li:last-child{
    border-bottom: none;
}
.pricing-card ul li.pricing-no{
    color: #999;
}
.pricing-card ul li.pricing-no:before{
    content: '\2717';
    display: inline-block;
    margin-right: 8px;
    color: #d9534f;
    font-size: 14px;
}
.pricing-card ul li.pricing-yes{
    color: #555;
}
.pricing-card ul li.pricing-yes:before{
    content: '\2713';
    display: inline-block;
    margin-right: 8px;
    color: #5cb85c;
    font-size: 14px;
}
.pricing-footer{
    padding: 20px;
    text-align: center;
}
.pricing-footer .btn{
    padding: 10px 30px;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.3s;
}
.pricing-card:not(.pricing-featured) .pricing-footer .btn{
    background: transparent;
    border: 1px solid #38f;
    color: #38f;
}
.pricing-card:not(.pricing-featured) .pricing-footer .btn:hover{
    background: #38f;
    color: #fff;
}
.pricing-featured .pricing-footer .btn{
    background: #38f;
    border-color: #38f;
    color: #fff;
}
.pricing-featured .pricing-footer .btn:hover{
    background: #2673e8;
    border-color: #2673e8;
}

/*footer*/
footer{
    padding: 42px 0 28px;
    background: #252525;
    color: #d6d6d6;
}
footer h2{
    margin: 0 0 14px;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
}
footer p{
    margin: 0 0 8px;
    line-height: 1.65;
}
footer .glyphicon{
    width: 18px;
    color: #55a6ff;
}
footer a{
    color: #9bcaff;
}
footer a:hover,
footer a:focus{
    color: #fff;
}
.footer-meta{
    padding-top: 6px;
    text-align: right;
    color: #bdbdbd;
}
.footer-divider{
    margin: 0 8px;
    color: #777;
}
@media (max-width: 991px){
    .footer-meta{
        margin-top: 24px;
        padding-top: 18px;
        border-top: 1px solid #444;
        text-align: left;
    }
}