* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "Montserrat", serif;
    width: 100%;
    background: linear-gradient(0deg, rgb(227, 227, 227) 0%, rgb(21, 21, 21) 91%);
    color: #fff;
}
.header .container .header-menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 280px;
    margin: 0 auto;
    padding: 20px 0px 0px;
}
.header .container .header-menu .menu-item {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
}
.header .container .header-menu .menu-item a {
    color: #fff;
    text-decoration: none;
}
.header .container .header-menu .menu-item-main {
    font-size: 13px;
    border-left: 1px solid #bbacac;
    border-right: 1px solid #bbacac;
    padding: 0px 12px;
    text-shadow: 2px 2px 4px #de324c;
}
.header .container .img-logo {
    padding: 35px 0px 20px;
}
.header .container .header-title {
    max-width: 450px;
    width: 85%;
    margin: 0 auto;
}
.header .container .header-title img {
    width: 100%;
}
.main .main-button {
    max-width: 877px;
    width: 877px;
    margin: 35px auto 0px;
}
.main .main-button .btn_common {
    background: none;
    background-repeat: no-repeat;
    background-size: contain;
    width: 178px;
    height: 60px;
    border: none;
    animation: float 1s infinite ease-in-out;
    z-index: 9999;
}
.main .main-button .btn_common:hover {
    animation: none;
    transform: scale(1.05);
}
@keyframes float {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.03);
    }
}
.main .main-button .btn_common,
.main .main-button .btn_download {
    transition: transform 0.5s ease-in-out;
}
.main .main-button .btn_play_aoe_free {
    background-image: url('../images/btn_play_aoe_free.png');
}
.main .main-button .btn_player_aoe {
    background-image: url('../images/btn_player.png');
}
.main .main-button .btn_setting_win7 {
    background-image: url('../images/btn_setting_win7.png');
}
.main .main-button .btn_download {
    background: url('../images/btn_orange.png');
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    width: 255px;
    height: 60px;
    border: none;
}
@property --gradient-angle {
    syntax: "<angle>";
    initial-value: 90deg;
    inherits: false;
}
:root {
    --bg-background: #ff6100;
    --clr-card: #ff4f19;
    --clr-1: #f3440e;
    --clr-2: #d13100;
    --clr-3: #ff9a5c;
}
.main .main-button .btn_download::after,
.main .main-button .btn_download::before {
    content: " "; 
    position: absolute; 
    z-index: -1;
    inset: -0.1rem;
    background: conic-gradient(
        from var(--gradient-angle),
        var(--clr-3),
        var(--clr-card),
        var(--clr-1),
        var(--clr-card),
        var(--clr-1),
        var(--clr-card),
        var(--clr-3)
    );
    animation: rotate 1.7s linear infinite;
}
/* .main .main-button .btn_download::after {
    filter: blur(24px);
} */
@keyframes rotate {
    0% {
    --gradient-angle: 0deg;
    }
    100% {
    --gradient-angle: 360deg;
    }
}
.bounce {
    transform: scale(1.05);
}
.main .main-button .btn_download a {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    width: 100%;
    height: 100%;
    font-size: 25px;
    font-weight: 600;
    text-transform: uppercase;
    color: #fff;
}
.main .container {
    position: relative;
    width: 100%;
    margin: 0 auto;
    column-gap: 3rem;
}
.main .container .swiper-container .swiper {
    max-width: 1018px;
    width: 1018px;
    top: -15px;
}
.main .container .swiper-container .swiper .swiper-wrapper .swiper-slide {
    width: 877px;
}
.main .container .swiper-container .swiper .swiper-wrapper .swiper-slide .swiper-content-video {
    margin-top: 20px;
}
.main .container .swiper-container .swiper .swiper-wrapper .swiper-slide iframe {
    margin-top: 50px;
    width: 100%;
}
.main .container .swiper-container .swiper .swiper-wrapper .swiper-slide img {
    width: 100%;
}
.main .container .swiper-container .swiper .swiper-wrapper .swiper-slide .slide-content-schedule {
    width: 100%;
    height: 485px;
}
.main .container .swiper-container .swiper .swiper-wrapper .swiper-slide .slide-content-schedule1 {
    height: 495px;
}
.main .container .swiper-container .swiper .swiper-wrapper .swiper-slide .slide-content-schedule img {
    width: 100%;
    height: 100%;
    margin-top: 50px;
}
/* .main .container .swiper-container {
    margin-top: 10px;
} */
/* .main .container .swiper-container, */
.main .container .introduce {
    margin: 15px 0px 30px;
}
.main .container .introduce p {
    font-family: 'Barlow';
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #1c1c1c;
    margin: 0px;
}
.swiper-button-prev::after,
.swiper-button-next::after {
    content: '';
    display: none;
}
.swiper-button-prev {
    left: -10%;
    top: 45%;
}
.swiper-button-next {
    right: -10%;
    top: 45%;
}
.footer .footer-top {
    background-color: #1b2832;
}
.footer .footer-main {
    background-color: #081a21;
    padding: 30px 20px;
}
.footer .footer-main .container .footer-description p {
    margin: 0px;
    font-size: 15px;
    font-weight: 600;
}
.footer .footer-main .container .footer-link a {
    text-decoration: none;
    color: #ff7700;
    font-size: 15px;
    font-weight: 600;
}
@media (max-width: 1200px) {
    .main .container .swiper-container .swiper {
        max-width: 934px;
        width: 934px;
    }
    .swiper-button-next,
    .swiper-button-prev {
        display: none;
    }
    .main .container .swiper-container .swiper-wrapper .swiper-slide img {
        width: 100%;
    }
    .main .container .introduce {
        margin: 0px 0px 30px;
    }
}
@media (max-width: 992px) {
    .main .container .swiper-container .swiper {
        max-width: 686px;
        width: 686px;
        height: 430px;
    }
    .main .main-button {
        width: 680px;
    }
    .main .container .swiper-container .swiper .swiper-wrapper .swiper-slide .slide-content-schedule {
        height: 450px;
    }
    .main .container .swiper-container .swiper .swiper-wrapper .swiper-slide iframe {
        height: 440px;
    }
    .main .main-button .btn_download {
        width: 215px;
        height: 48px;
    }
    .main .main-button .btn_download a {
        font-size: 20px;
    }
    .main .main-button .btn_common {
        width: 141px;
    }
    .main .container .swiper-container .swiper-wrapper .swiper-slide img {
        width: 100%;
    }
    .main .container .swiper-container .swiper-wrapper .swiper-slide iframe {
        width: 100%;
        max-width: 800px; 
        height: auto;
        aspect-ratio: 16/10; 
    }
}
@media (max-width: 576px) {
    .header .container .header-menu {
        width: 310px;
    }
    .header .container .header-menu .menu-item {
        font-size: 13px;
    }
    .header .container .header-menu .menu-item-main {
        font-size: 15px;
        padding: 0px 17px;
    }
    .main .container .introduce p {
        font-size: 11px;
    }
    .main .main-button {
        width: 100%;
        margin: 20px auto 0px;
    }
    .main .main-button .btn_common {
        width: 105px;
        height: 42px;
    }
    .main .main-button .btn_download {
        width: 100%;
        margin-top: 10px;
        height: 42px;
    }
    .main .main-button .btn_download a {
        font-size: 20px;
        justify-content: center;
    }
    /* .main .container .swiper-container {
        margin-bottom: 20px;
    } */
    .main .container .swiper-container .swiper .swiper-wrapper .swiper-slide .slide-content-schedule {
        height: auto;
    }
    .main .container .swiper-container .swiper .swiper-wrapper .swiper-slide .slide-content-schedule img {
        margin-top: 20px;
    }
    .main .container .swiper-container .swiper .swiper-wrapper .swiper-slide iframe {
        margin-top: 20px;
        height: 200px;
    }
    .main .container .swiper-container .swiper {
        width: 360px;
        height: 250px;
        top: 0;
    }
    .main .container .introduce {
        margin: 0 0 30px;
    }
    .footer .footer-main {
        padding: 15px 5px;
    }
    .footer .footer-main .footer-logo a {
        width: 25%;
    }
    .footer .footer-main .footer-logo img {
        width: 100%;
    }
    .footer .footer-main .footer-logo,
    .footer .footer-main .footer-description {
        margin-bottom: 20px;
    }
    .footer .footer-main .container .footer-description p,
    .footer .footer-main .container .footer-link a {
        font-size: 12px;
        font-weight: 600;
    }
    .slide-content {
        width: 100%;
    }
    .slide-content img {
        width: 100%;
    }
    .swiper-button-prev,
    .swiper-button-next {
        display: none;
    }
}