.sec {
    position: relative;
    color: #fff;
    font-size: 1.66667em;
    line-height: 1.2;
    font-weight: normal;
    background-color: #000;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    overflow: hidden;
    padding-top: 49.4791667%;
}

.sec .sec-title {
    font-size: 2em;
    line-height: 1.1;
    color: #eea700;
    font-weight: bold;
}
.sec .sec-sub-title {
    font-size: 1.3em;
    color: #eea700;
}
.sec .sec-text {
    margin-top: 10px;
    line-height: 1.5;
}
.sec .sec-wrapper {
    margin: 0 auto;
    position: absolute;
    top: 0;
    left: 5%;
    right: 5%;
}
.sec .sec-note {
    margin-top: 18px;
    font-size: 0.7em;
    color: #929191;
}

.sec-1 {
    background-image: url(images/1.jpg);
    font-size: 2.5em;
    padding-top: 49.7395833%
}
.sec-1 .sec-wrapper {
    top: 25%;
    left: 16%;
    right: 50%;
}
.sec-1 .sec-title {
    color: #2968a2;
    font-weight: bold;
    font-size: 2.8em;
}
.sec-1 .sec-ip68 {
    color: #fff;
    background-color: #2968a2;
    font-size: 0.4em;
    vertical-align: top;
    padding: 1px 6px;
}
.sec-1 .sec-text {
    color: #2968a2;
}
.sec-1 .sec-feat {
    margin-top: 10px;
    padding: 4px 8px;
    color: #fff;
    background-color: #2968a2;
    font-size: 0.55em;
    display: inline-block;
}

.sec-2 {
    background-image: url(images/2.jpg);
    padding-top: 63.90625%;
    text-align: center;
}
.sec-2 .sec-wrapper {
    top: 5%;
    left: 15%;
    right: 15%;
}

.sec-3 {
    background-image: url(images/3.jpg);
    text-align: right;
    padding-top: 57.2916666%
}
.sec-3 .sec-wrapper {
    top: 10%;
    left: 40%;
    right: 18%;
}
.sec-3 ul li {
    list-style: none;
}

.sec-4 {
    background-image: url(images/4.jpg);
    padding-top: 56.25%;
    color: #111;
    text-align: center;
}
.sec-4 .sec-wrapper {
    top: 8%;
    left: 18%;
    right: 18%;
}

.sec-5 {
    background-image: url(images/5.jpg);
    padding-top: 61.1458333333%;
    text-align: center;
}
.sec-5 .sec-wrapper {
    top: 5%;
    right: 15%;
    left: 15%;
}
.sec-5 .sec-feat {
    margin-top: 60px;
    color: #bebebe;
    font-size: 0.6em;
    text-align: center;
}
.sec-5 .sec-feat .i {
    display: inline-block;
    padding: 8px 50px;
    text-align: left;
    border-left: 1px solid #fff;
}
.sec-5 .sec-feat .i:first-child {
    border-left-color: transparent;
}
.sec-5 .sec-feat .i-t {
    font-size: 1.7em;
    color: #fff;
    margin-bottom: 18px;
}

.sec-6 {
    background-image: url(images/6.jpg);
    padding-top: 56.770833333%;
    text-align: right;
}
.sec-6 .sec-wrapper {
    top: 10%;
    left: 50%;
    right: 15%;
}

.sec-7 {
    background-image: url(images/7.jpg);
    padding-top: 56.25%;
    text-align: center;
}
.sec-7 .sec-wrapper {
    top: 5%;
    left: 18%;
    right: 18%;
}
.sec-7 .sec-feat {
    margin-top: 50px;
}
.sec-7 .sec-feat .i {
    display: inline-block;
    font-size: 0.67em;
    font-weight: normal;
    margin-right: 40px;
}
.sec-7 .sec-feat .i:last-child {
    margin-right: 0;
}
.sec-7 .sec-feat .i-ballon {
    font-size: 1.8em;
    border: 1px solid #fff;
    border-radius: 8px;
    padding: 10px 10px;
    margin-bottom: 18px;
}

.sec-8 {
    background-image: url(images/8.jpg);
    padding-top: 83.07291666%;
    text-align: center;
}
.sec-8 .sec-wrapper {
    top: 3%;
    left: 18%;
    right: 18%;
}

.sec-9 {
    background-image: url(images/9.jpg);
    padding-top: 57.76041666666%;
    color: #111;
}
.sec-9 .sec-wrapper {
    top: 25%;
    left: 4%;
    right: 55%;
}

.sec-10 {
    background-image: url(images/10.jpg);
    padding-top: 66.6667%;
    color: #111;
    text-align: center;
}
.sec-10 .sec-wrapper {
    top: 5%;
    left: 10%;
    right: 10%;
}

.sec-11 {
    background-image: url(images/11.jpg);
    padding-top: 112.864583333%;
    text-align: center;
}
.sec-11 .sec-wrapper {
    top: 2%;
    right: 10%;
    left: 10%;
}
.sec-11 .sec-left,
.sec-11 .sec-right {
    position: absolute;
    bottom: 22%;
    left: 5%;
    color: #111;
    text-align: left;
    font-size: 1.2em;
    line-height: 1.4em;
}
.sec-11 .sec-right {
    left: auto;
    right: 5%;
    text-align: right;
}

.sec-12 {
    background-image: url(images/12.jpg);
    padding-top: 57.29166666%;
}
.sec-12 .sec-wrapper {
    top: 20%;
    left: 15%;
    right: 45%;
}
.sec-12 .sec-note {
    color: #cacaca;
}

.sec-13 {
    background-image: url(images/13.jpg);
    padding-top: 72.18%
}
.sec-13 .sec-wrapper {
    top: 10%;
    left: 10%;
    right: 50%;
}
.sec-13 .sec-note {
    position: absolute;
    bottom: 2%;
    left: 25%;
    right: 25%;
    text-align: center;
    color: #111;
    line-height: 1.4em;
}
.sec-13 .sec-technology {
    position: absolute;
    right: 10%;
    bottom: 40%;
    left: 60%;
    color: #111;
    font-size: 1.8em;
}
.sec-13 .sec-technology  span {
    display: block;
    font-size: 0.45em;
    margin-top: 5px;
}

.sec-14 {
    background-image: url(images/14.jpg);
    padding-top: 56.25%;
    color: #111;
}
.sec-14 .sec-wrapper {
    top: 15%;
    left: 54%;
}

.sec-15 {
    background-image: url(images/15.jpg);
    padding-top: 143.8541666%;
    text-align: right
}
.sec-15 .sec-wrapper {
    top: 33%;
    left: 35%;
    right: 10%;
}

.sec-16 {
    background-image: url(images/16.jpg);
    color: #222;
    padding-top: 48.64%;
}
.sec-16 .sec-wrapper {
    top: auto;
    bottom: 8%;
    left: 0%;
    right: 0%;
}
.sec-16 .i {
    float: left;
    width: 33%;
    text-align: center;
    box-sizing: border-box;
}

@media only screen and (max-width: 1366px) {
    .sec-1 .sec-wrapper {
        left: 8%;
    }
    .sec-1 .sec-feat {
        font-size: 0.4em;
    }
    .sec-2 .sec-wrapper {
        top: 2%;
        left: 5%;
        right: 5%;
    }
    .sec-3 .sec-wrapper {
        right: 5%;
    }
    .sec-4 .sec-wrapper {
        top: 2%;
        left: 5%;
        right: 5%;
    }
    .sec-5 .sec-wrapper {
        top: 2%;
        left: 5%;
        right: 5%;
    }
    .sec-6 .sec-wrapper {
        right: 5%;
    }
    .sec-7 .sec-wrapper {
        top: 2%;
        left: 5%;
        right: 5%;
    }
    .sec-9 .sec-wrapper {
        top: 10%;
    }
    .sec-13 .sec-technology {
        font-size: 1.5em;
        right: 1%;
    }
    .sec-15 .sec-wrapper {
        right: 5%;
        left: 30%;
        top: 30%;
    }
}

@media only screen and (max-width: 1280px) {
    
}

@media only screen and (max-width: 1024px) {
   .sec-1 {
       font-size: 2em;
   }
   .sec-4 {
       font-size: 1.4em;
   }
   .sec-4 .sec-wrapper {
       left: 1%;
       right: 1%;
   }
   .sec-5 .sec-feat {
       margin-top: 10px;
   }
   .sec-8 .sec-wrapper {
       left: 5%;
       right: 5%;
   }
   .sec-10 .sec-wrapper {
       left: 1%;
       right: 1%;
   }
   .sec-11 .sec-wrapper {
       left: 1%;
       right: 1%;
   }
   .sec-12 .sec-wrapper {
       left: 5%;
   }
   .sec-13 .sec-note {
       left: 10%;
       right: 10%;
       font-size: 0.6em;
   }
   .sec-15 .sec-wrapper {
       left: 5%;
   }
}

@media only screen and (max-width: 768px) {
    .sec {
        font-size: 1em;
    }
    .sec .sec-text {
        line-height: 1.3;
        margin-top: 0;
    }
    .sec-1 {
        font-size: 1.5em;
    }
    .sec-5 .sec-feat {
        margin-top: 30px;
    }
    .sec-5 .sec-feat .i {
        padding-left: 20px;
        padding-right: 20px;
    }
    .sec-5 .sec-feat .i-t {
        margin-bottom: 8px;
    }
    .sec-13 .sec-note {
        font-size: 0.75em;
    }
}

@media only screen and (max-width: 720px) {
    
}

@media only screen and (max-width: 640px) {
    .sec {
        font-size: 0.9em;
    }
    .sec-1 {
        font-size: 1.3em
    }
}

@media only screen and (max-width: 480px) {
    .sec {
        font-size: 0.8em;
    }
    .sec-1 {
        font-size: 1em;
    }
    .sec-1 .sec-wrapper {
        left: 1%;
    }
    .sec-4 .sec-note {
        margin-top: 3px;
    }
    .sec-7 .sec-feat {
        margin-top: 10px;
    }
    .sec-7 .sec-feat .i-ballon {
        padding: 5px 5px;
        margin-bottom: 12px;
    }
    .sec-13 .sec-technology {
        right: 0;
        font-size: 1.25em;
    }
}

@media only screen and (max-width: 360px) {
    .sec {
        font-size: 0.8em;
    }
    .sec .sec-title {
        font-size: 1.7em;
    }
    .sec-5 .sec-feat {
        display: none;
    }
    .sec-6 .sec-wrapper {
        left: 35%;
    }
    .sec-7 .sec-feat {
        display: none;
    }
    .sec-13 .sec-wrapper {
        left: 1%;
    }
    .sec-13 .sec-technology {
        font-size: 1em;
        top: 54%;
    }
    .sec-13 .sec-technology span {
        font-size: 0.7em;
    }
    .sec-13 .sec-note {
        left: 1%;
        right: 1%;
    }
    .sec-15 .sec-wrapper {
        top: 22%;
    }
    .sec-16 .sec-wrapper {
        bottom: 1%;
    }
}