@font-face {
    font-family: Hanzel;
    src: url(../font/UTM\ HANZEL.TTF);
}

@font-face {
    font-family: GothamBold;
    src: url(../font/SVN-GOTHAM\ REGULAR.OTF);
}

html,
body {
    color: #ffffff;
    font-size: 62.5%;
    font-family: "GothamBold";
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    background: url(../images/bg.jpg) no-repeat;
    background-size: cover;
    background-position: center center;
    height: 100vh;
    overflow: hidden;
}

.wrapper {
    display: flex;
    align-items: center;
    height: 100%;
}

.box {
    height: 762px;
    width: 355px;
    margin: 0 auto;
    background: url(../images/bg5.png) no-repeat;
    background-size: cover;
    overflow-y: scroll;
    overflow-x: hidden;
    position: relative;
}

.box.active {
    overflow-y: hidden;
}

*::-webkit-scrollbar {
    width: 2px;
    background-color: #525252;
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    border-radius: 3px;
}

*::-webkit-scrollbar-track {
    background-color: #525252;
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    border-radius: 3px;
}

*::-webkit-scrollbar-thumb {
    width: 2px;
    border-radius: 2px;
    background-clip: padding-box;
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .3);
    background-color: #000;
}

header {
    /* margin: 0 auto; */
    width: 350px;
    z-index: 999;
    background: #000;
    display: block;
    height: 65px;
}

.nav__mobile {
    background: #141c25;
    width: 355px;
    z-index: 99;
    position: fixed;
    height: 65px;
}

.nav__mobile .logo {
    position: absolute;
    left: 18px;
    top: 10px;
    width: 150px;
}

.p10 {
    padding: 10px;
}

.fixed {}

.nav__mobile.fixed {}

.navigation-mobile {
    top: 65px;
    display: none;
    height: 0;
    background-color: #141c25;
    position: absolute;
    width: 355px;
    height: 697px;
    z-index: -1;
}

.nav__mobile.fixed .navigation-mobile {
    display: block;
    transition: .3s ease;
    animation: fixed-header ease .5s;
}

@keyframes fixed-header {
    0% {
        margin-top: -5vh;
        transition: .3s ease;
        opacity: 0
    }
    100% {
        margin-top: 0;
        opacity: 1
    }
}

.nav__mobile__open {
    line-height: 1.5;
    will-change: transform;
    background: #141c25;
    flex-direction: column;
    position: absolute;
    left: 0;
    z-index: 21;
    width: 100%;
}

.show-dropdown {
    opacity: 1;
    transform: none;
    visibility: visible;
}

header .fixed .nav__mobile__open.show-dropdown {
    position: absolute;
    padding-bottom: 100px;
}

.nav__mobile__open li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    width: 100%;
    text-align: left;
    vertical-align: middle;
    font-size: 1.5rem;
    outline: none;
    display: flex;
    align-items: center;
}

.nav__mobile__open li .icon {
    display: block;
    height: 35px;
    width: 26px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin-right: 1.4rem;
    margin-left: 3.4rem;
}

.nav__mobile__open li a {
    color: #e2be25;
}

.nav__mobile__open li i.icon-sign-up {
    background-image: url(../images/sign-up.png);
}

.nav__mobile__open li i.icon-login {
    background-image: url(../images/login.png);
}

.nav__mobile__open li i.icon-face {
    background-image: url(../images/face.png);
}

.nav__mobile__open li i.icon-telegram {
    background-image: url(../images/telegram.png);
}

.nav__mobile__open li i.icon-ytb {
    background-image: url(../images/ytb.png);
}

.nav__mobile__open li i.icon-gmail {
    background-image: url(../images/gmail.png);
}

.icon_telegram {
    width: 35px;
    height: 35px;
    cursor: pointer;
    position: absolute;
    right: 60px;
    top: 20px;
}

.burger {
    width: 30px;
    height: 24px;
    cursor: pointer;
    position: absolute;
    right: 15px;
    top: 25px;
}

.burger .open_menu {
    display: block;
}

.burger .close_menu {
    display: none;
}

.burger.burger_active .open_menu {
    display: none;
}

.burger.burger_active .close_menu {
    display: block;
}

.logo-mb {
    width: 150px;
    height: auto;
}

.logo-image {
    width: 80%;
}

.search {
    margin-top: 2rem;
    background-color: #fff;
    height: 35px;
    border-radius: 5px;
    position: relative;
}

input:active,
input:focus {
    outline: none;
}

.search input {
    height: 100%;
    width: 90%;
    background-color: transparent;
    padding: 5px;
    position: absolute;
    top: 0;
    left: 0;
}

.search img {
    position: absolute;
    width: 11%;
    top: 0;
    right: 0;
    cursor: pointer;
    padding: 5px;
}

.tutorial {
    margin-top: 1rem;
    background: #7a7a7a36;
    padding: 1rem;
    border-radius: 5px;
}

.title {}

.tutorial p {
    font-size: 1.4rem;
    line-height: 2rem;
    font-family: Helvetica, sans-serif;
}

.tutorial p:nth-child(1) {
    border-bottom: 1px solid #fff;
    margin-bottom: 1rem;
    font-size: 1.7rem;
    font-weight: 600;
    line-height: 2rem;
}

.thongbao {
    background-color: #00000038;
    color: rgb(255 218 37);
    padding: 5px 10px;
    display: flex;
    align-items: center;
}

.thongbao marquee {
    font-size: 1.2rem;
}

.cskh {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    gap: 1rem;
}

.cskh .item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #161d21;
    padding: 5px;
    border-radius: 8px;
    box-shadow: 2px 2px 2px rgb(0 0 0 / 48%);
    border: 1px solid #595959b0;
}

.cskh .item img {
    width: 70%;
}

.cskh p {
    color: #fff;
    font-size: 1rem;
    margin-top: 5px;
}

.social-media {
    background: #2424249e;
    margin-top: 2rem;
    padding: 2rem;
    border-radius: 5px;
    display: grid;
    grid-template-columns: auto auto auto;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    /* box-shadow: 2px 2px 2px rgb(0 0 0 / 17%); */
    border: 1px solid rgb(0 0 0 / 17%);
}

.social-media .item {
    text-align: center;
}

.social-media .item:hover {}

.social-media .item img {
    width: 50%;
}

.social-media .item p {
    color: #e2be25;
    font-size: 1.2rem;
    margin-top: 5px;
}

.title-link {
    font-size: 1.7rem;
    margin-top: 3rem;
    background-color: #161d21;
    border-radius: 25px;
    border: 1px solid #595959b0;
}

.title-link p {
    padding: 1rem;
    text-align: center;
    color: #e2be25;
}

.box-link {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: auto auto auto;
    gap: 1rem;
}

.box-link a {
    width: 100%;
}

.box-link .item {
    background-color: #161d21;
    padding: 3px;
    border-radius: 25px;
}

.box-link .item p {
    font-size: 1.4rem;
    line-height: 2rem;
    padding: 5px;
    color: #fff;
    text-align: center;
    border: 1px solid #fcd826;
    border-radius: 25px;
    font-family: Helvetica, sans-serif;
}

@media screen and (max-width: 767px) {
    body {
        background: none;
    }
    .wrapper {
        overflow-y: auto;
        align-items: normal;
    }
    .box {
        width: 100%;
        height: 100vh;
    }
    header {
        width: 100%;
    }
    .nav__mobile {
        width: 100%;
    }
    .nav__mobile.fixed {
        height: 100%;
    }
    .cskh p {
        font-size: 1rem;
    }
}

@media (min-width: 1280px) and (max-width: 1366px) {
    .box {
        height: 620px;
    }
    .navigation-mobile {
        height: 555px;
    }
}