body {
    background: url("images/bg-pc.webp") no-repeat ;
    background-size: 100% 100%;
    min-height: 100vh;
    font-family: "Montserrat", sans-serif;
}
.marquee {
    background: rgba(255, 255, 255, 1) ;
    box-shadow: 0px 0px 3px 0px rgba(0, 0, 0, 0.1);
    border-radius: 5px ;
}
.marquee .img-notify {
    width: 25px;
}
.marquee .marquee-detail {
   color: rgba(31, 77, 165, 1);
    font-size: 14px;
    font-weight: 500;
}
.marquee-detail {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    box-sizing: border-box;
}

.marquee-detail span {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 40s linear infinite;
}

@keyframes marquee {
    0%   { transform: translateX(0%); }
    100% { transform: translateX(-100%); }
}

.content-link {
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 1);
    border-radius: 10px;
}
.content-link .ping {
    border: 4px solid transparent;
    border-radius: 12px;
    background:
            linear-gradient(180deg, #A6D0FF 0%, #FFFFFF 100%) padding-box,  /* nền trong */
            linear-gradient(180deg, #3088EA 0%, rgba(255,255,255,0) 100%) border-box; /* viền */
    width: 50%;
    margin: 0 auto;
}
.content-link .ping .title-link {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(180deg, #0079FF 0%, #0055B4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}
.content-link .ping .img-ping {
    width: 20px;
    height: 20px ;
}
.content-link .ping-detail {
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(180deg, #0079FF 0%, #0055B4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}
.footer {
    background: linear-gradient(180deg, #1F4DA5 0%, #396ED4 100%);
    box-shadow: 0px 0px 3px 0px rgba(0, 0, 0, 0.7);
    border-top-right-radius: 10px ;
    border-top-left-radius: 10px ;
}
.footer .text-down {
   font-style: italic;
    font-weight: 900;
    font-size: 26px;
    text-align: center;
    color: white;
}
.footer .img-down {
   width: 162px;
    height: 48px;
}
.footer .img-mobile {
    width: 231px;
    margin-top: -3em;
}
.chat-btn-pc {
    position: fixed;
    bottom: 45%;
    width: 60px;
    right: 50px;
    z-index: 99999;
}
.fb-btn-pc {
    position: fixed;
    bottom: 35%;
    width: 60px;
    right: 50px;
    z-index: 99999;
}
.tele-btn-pc {
    position: fixed;
    bottom: 25%;
    width: 60px;
    right: 50px;
    z-index: 99999;
}
@media only screen and (max-width: 800px) {
    .header {
        background: linear-gradient(0deg, #FFFFFF 0%, #A7D0FF 100%);
        height: 60px;
    }
    .header img {
       width: 120px ;
    }
    body {
        background: url("images/bg-mb.png") no-repeat;
    }
    .marquee {
        width: 95%;
        margin-bottom: 15px;
    }
    .content-link .ping {
        width: 76%;
    }
    .content-ping .col-6 {
        margin-bottom: 10px;
    }
    .content-ping {
        margin-bottom: 0 !important;
    }
    .down-mb {
        background: url("images/bg-down-mb2.webp") no-repeat;
        background-size: 100% 100%;
        height: 100px;
        width: 90%;
        margin: 0 auto;
    }
    .down-mb .down-btn-mb a img {
       width: 100px;
    }
    .down-btn-mb {
        position: absolute;
        left: 7%;
        top: 50%;
    }
}