/*---basic---*/

*{
    font-family: 'Source Sans Pro', sans-serif;
    scroll-behavior: smooth;
}

@keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.d-large{
    display: block;
}

.d-small{
    display: none;
}

.center{
    display: flex;
    justify-content: center;
}

.section{
    padding: 75px 0;
}

.para{
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

#btt-button {
    display: none;
    position: fixed;
    z-index: 9998;
    bottom: 3%;
    left: 3%;
    cursor: pointer; 
}

.line_gray{
    width: 75%;
    height: 2px;
    background-color: rgb(210,210,210);
}

/*---basic_end---*/

/*---header---*/

.header_pos{
    position: absolute;
    z-index: 10001;
    width: 100%;
}

.header_contact{
    background-color: rgb(0,155,164);
    padding: 5px 0;
    width: 100%;
}

.header_contact p{
    text-align: right;
    text-decoration: none;
    color: rgb(255,255,255);
    margin-right: 20%;
    margin-bottom: 0;
}

.header_contact a,
.header_contact a:hover{
    text-decoration: none;
    color: rgb(255,255,255);
}

.header_content{
    background-image: url(../link/header_bg-pic.png);
    background-size: cover;
    background-position: center;
    position: absolute;
    z-index: 9999;
    width: 100%;
    height: 450px;
    padding-top: 30px;
}

.header_contant_pos{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/*---nav---*/

#navOn,
#navOff{
    cursor: pointer;
    width: 30px;
    height: auto;
    animation: fadein 1s;
}

#navOff{
    display: none;
}

#navContent{
    background-color: rgba(0,155,164,0.75);
    width: 0;
    display: flex;
    align-items: flex-end;
    transition: all .5s ease-in-out;
    height: 450px;
    margin-left: -100%;
}

#navContent ul{
    position: relative;
    z-index: 10000;
    margin: 0;
    padding: 0 0 50px 0;
}

#navContent li{
    list-style: none;
    text-align: right;
}

#navContent a{ 
    font-weight: bold;
    font-size: 2em;
    color: rgb(255,255,255);
}

/*---nav_end---*/

/*---header_end---*/

.banner{
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner_pic{
    width: 100%;
}

.banner_pic img{
    width: 100%;
    height: auto;
}

.banner_txt{
    position: absolute;
    z-index: 1;
    width: 100%;
    margin-top: 100px;
}

.banner_txt h1{
    text-align: center;
    color: rgb(234,91,12);
    background-color: rgb(255,255,255);
    padding: 5px 10px;
    margin: 0;
}

.line_green{
    background-color: rgb(0,155,164);
    width: 100%;
    height: 5px;
}

/*---content---*/

.index_sec01{
    background-image: url(../link/img/sec01_bg-pic.png);
    background-position: 100% 100% !important;
    background-size: 75% !important;
}

.sec01 h2{
    text-align: center;
    font-weight: bold;
    color: rgb(234,91,12);
    margin-bottom: 25px;
}

.sec01_txt{
    margin-top: 25px;
    display: flex;
    justify-content: center;
}

.sec01_txt-02{
    margin-top: 25px;
}

.sec01_txt-02 p{
    width: 100%;
    padding: 0 10px;
}

.sec01_txt p{
    width: 50%;
    padding: 0 10px;
}

.sec01_txt a,
.sec01_txt a:hover{
    color: rgb(0,0,0);
    text-decoration: none;
}

.index_sec02{
    background-image: url(../link/img/index_sec02_bg-pic.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    padding-top: 75px;
}

.index_sec02 h1{
    text-align: center;
    font-weight: bold;
    color: rgb(255,255,255);
    margin-bottom: 75px;
}

.index_sec02_row{
    display: flex;
    justify-content: center;
}

.index_sec02_item{
    width: 18.5%;
    margin: 0 50px;
}

.index_sec02_item-pic{
    margin-bottom: -75px;
}

.index_sec02_item-txt{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 300px;
    margin-top: 15px;
    background-color: rgb(255,255,255);
    border-radius: 25px 25px 0 0;
}

.index_sec02_item-txt-content h3{
    font-weight: bold;
    text-align: center;
    color: rgb(234,91,12);
}

.index_sec02_item-txt-content p{
    text-align: center;
    font-style: italic;
    font-size: 1.4em;
    color: rgb(0,155,164);
    margin: 0;
}

.line_green_big{
    background-color: rgb(0,155,164);
    width: 100%;
    height: 25px;
    border-radius: 0 0 25px 25px;
}

.index_sec02_link{
    text-align: center;
    margin: 75px 0;
}

.index_sec02_link a,
.index_sec02_link a:hover{
    font-size: 2em;
    color: rgb(255,255,255);
    background-color: rgba(0,155,164,0.5);
    padding: 10px 25px;
    transition: all 1s ease;
}

.index_sec02_link a:hover{
    text-decoration: none;
    background-color: rgba(0,155,164,1);
}

.index_sec02_link img{
    margin-left: 5px;
}

.lei_sec02{
    background-color: rgb(245,245,245);
    padding: 75px 0;   
}

.lei_sec02_row{
    display: flex;
    justify-content: center;
    margin: 50px 0;
}

.lei_sec02_item{
    width: 20%;
    margin: 0 25px;
}

.lei_sec02_item img{
    width: 100%;
    height: auto;
}

.lei_sec02_item h2{
    font-weight: bold;
    text-align: center;
    margin: 10px 0;
    color: rgb(0,155,164);
}

.lei_sec02_item p{
    padding: 0 10px;
    margin: 0;
    color: rgb(75,75,75);
}

iframe{
    width: 100%;
    height: 450px;
    margin-bottom: -7px;
    border: none;
}

/*---content_end---*/

/*---footer---*/

.footer_bg-pos{
    display: flex;
    align-items: flex-end;
}

.footer_bg{
    overflow: hidden;
    width: 100%;
}

.footer_bg img{
    width: 100%;
    height: auto;
}

.footer_bg h3{
    font-weight: bold;
    font-size: 3em;
    color: rgb(234,91,12);
    background-color: rgba(255,255,255,0.9);
    padding: 5% 20px 15px 20px;
    position: absolute;
    left: 15%;
}

.footer-pos{
    position: absolute;
    width: 100%;
}

footer{
    background-image: url(../link/footer_bg-pic.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer_content p,
.footer_content a,
.footer_content a:hover{
    text-align: center;
    text-decoration: none;
    color: rgb(255,255,255);
    margin: 15px 0;
}

.footer_content_txt p,
.footer_content_txt a{
    margin: 0;
}

/*---footer_end---*/

@media screen and (min-width: 1025px){}

@media screen and (min-width: 768px) and (max-width: 1366px){
    
    .para{
         background-attachment: scroll;
    }

    .banner img{
        width: auto;
        height: 700px;
    }

    .banner_txt h1{
        font-size: 1.75em;
    }

    .index_sec02_item{
        width: 30%;
        margin: 0 10px;
    }

    .index_sec02_item-txt-content h3{
        font-size: 1.5em;
    }
    
    .lei_sec02_item{
        width: 30%;
        margin: 0 5px;
    }
        
    .lei_sec02_item h2{
        font-size: 1.5em;
    }
    
    .footer_bg img{
        width: auto;
        height: 750px;
    }
    
}

@media screen and (max-width: 767px){

    .d-large{
        display: none;
    }
    
    .d-small{
        display: block;
    }

    .para{
        background-attachment: scroll;
    }

    .header_contact p,
    .header_contact a,
    .header_contact a:hover{
        text-align: center;
        margin-right: 0;
    }

    .header_contant_pos{
        align-items: flex-end;
    }

    .banner img{
        width: auto;
        height: 650px;
    }

    .banner_txt h1{
        font-size: 1.3em;
    }

    .index_sec01{
        background-size: 100% !important;
    }
        
    .sec01_txt{
        display: block;
    }
    
    .sec01_txt p{
        width: 100%;
    }
    
    .index_sec02_row{
        display: block;
    }
    
    .index_sec02_item{
        width: 100%;
        margin: 25px 0;
        padding: 0 35px;
    }
    
    .lei_sec02_row{
        display: block;
        margin: 25px 0;
    }
    
    .lei_sec02_item{
        width: 100%;
        margin: 25px 0;
        padding: 0 15px;
    }
    
    .footer_bg img{
        width: auto;
        height: 600px;
    }
    
    .footer_bg h3{
        font-size: 1.5em;
        left: 5%;
    }

}