@font-face {
    font-family: SHanSanR;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/SourceHanSansCN-Regular.otf");
}
@font-face {
    font-family: SHanSanB;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/SourceHanSansCN-Bold.otf");
}
@font-face {
    font-family: SHanSanE;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/SourceHanSansCN-ExtraLight.otf");
}
@font-face {
    font-family: SHanSanH;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/SourceHanSansCN-Heavy.otf");
}
@font-face {
    font-family: SHanSanL;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/SourceHanSansCN-Light.otf");
}
@font-face {
    font-family: SHanSanM;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/SourceHanSansCN-Medium.otf");
}
@font-face {
    font-family: SourceHanSansCN-Medium;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/SourceHanSansCN-Medium.otf");
}
@font-face {
    font-family: SHanSanN;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/SourceHanSansCN-Normal.otf");
}
@font-face {
    font-family: DINMStd;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/DINMittelschriftStd.otf");
}
@font-face {
    font-family: LogoSCUnboundedSans;
    src: url("//staticcdn.bandaihobbysite.cn/fonts/LogoSCUnboundedSans.ttf");
}
html,
body {
    height: 100%;
    width: 100%;
    background: #fff url(../img/gundam-bf/bg_pc.jpg) center center repeat;
    background-size: cover;
    position: relative;
    overflow-x: hidden;
    font-family: SHanSanM;
}
/* 移动端响应式 - 768px以下 */
@media screen and (max-width: 768px) {
    body {
        height: 100%;
        width: 100%;
        background: #fff url(../img/gundam-bf/bg_sp.jpg) center center repeat;
        background-size: cover;
        position: relative;
    }
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: SHanSanB;
}

a {
    -webkit-transition: all 0.35s;
    -moz-transition: all 0.35s;
    transition: all 0.35s;
    color: #323232;
}

a:hover,
a:focus {
    color: #323232;
}

hr {
    max-width: 100px;
    margin: 25px auto 0;
    border-width: 1px;
    border-color: rgba(34, 34, 34, 0.1);
}

hr.light {
    border-color: white;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 200;
}

p {
    padding: 0;
    margin: 0;
}


.navbar-default {
    font-weight: normal;
}

.navbar-default .navbar-header .navbar-brand {
    font-weight: normal;
    color: #323232;
}

.navbar-default .navbar-header .navbar-brand:hover,
.navbar-default .navbar-header .navbar-brand:focus {
    color: #323232;
}

.navbar-default .navbar-header .navbar-toggle {
    font-size: 12px;
    color: #323232;
    padding: 8px 10px;
}

.navbar-default .nav > li > a {
    text-transform: uppercase;
    font-size: 15px;
    color: #323232;
    width: 88px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #fff;
    margin-left: 30px;
    padding: 0;
}

.navbar-default .nav > li > a:hover,
.navbar-default .nav > li > a:focus:hover {
    color: #323232;
    background-color: #fff;
}

header{
    color: #323232;
    width: 100%;
    height: 335px;
    /*position: fixed;*/
    top: 0;
    z-index: 1;
}
.header_static{
    /*height: 335px;*/
}
header .container{
    width: 1200px;
    padding: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
header .container .navbar-header{
width: 35%;
}
header .container .navbar{
    width: 65%;
}
header .container .nav{
    margin: 0;
    background-image: url(../img/gundam-bf/nav.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    aspect-ratio: 7.1;
    padding: 0 20px;
}
header .container .nav > li{
    float: left;
}
header .container .nav > li > a {
    text-transform: uppercase;
    font-size: 20px;
    color: #fff;
    /*width: 85px;*/
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: 40px;
    padding: 0;
    position: relative;
    transition: all 0.3s ease;
}

header .container .nav > li > a:focus,
header .container .nav > li > a:hover,
header .container .nav > li > a.active {
    color: #f6ab00;
    background-color: transparent;
}

header .container .nav > li > a:hover::after,
header .container .nav > li > a.active::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 3px;
    background-color: #f6ab00;
    /*border-radius: 2px;*/
}
header .container .nav > li > a img{
    width: 100%;
}
header .container .nav > li > a.disabled {
    cursor: not-allowed;
    color: #999;
}
header .container .nav > li > a.disabled:after {
    background-color: transparent;
}

main{
    margin: 0 0 40px;
}
main .container{
    width: 1200px;
    padding: 0;
}
.banners{
    width: 100%;
    margin: 0 auto;
}
.banners img{
    width: 100%;
    height: auto;
}
.activity_title{
    width: 100%;
    margin: 0 auto;
}
.activity_title img{
    width: 100%;
    height: auto;
}
.flex {
    display: flex;
}
.step1{
    width: auto;
    margin: 40px auto 25px;
    position: relative;
}
.step1 img {
    width: 100%;
    height: auto;
    z-index: 1;
}

.step1content{
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
}
.stepname{
    font-size: 34px;
    line-height: 75px;
    color: #ffffff;
    padding-left: 5px;
    font-family: Bebas;
}
.steptitle{
    font-size: 26px;
    line-height: 60px;
    color: #ffffff;
    font-family: SHanSanB;
    padding-left: 5px;
}
.stepconnect{
    font-size: 23px;
    line-height: 28px;
    padding: 20px;
}
.stepconnectsmall{
    font-size: 20px;
}
.otherflex{
    display: flex;
    gap: 20px;
    justify-content: space-between;
}
.stepother{
    width: 100%;
    margin: 0 auto 25px;
    position: relative;
}
.stepother img {
    width: 100%;
    height: 100%;
    z-index: 1;
}
.stepothercontent{
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}
.prize_title{
    width: 100%;
    margin: 0 auto;
}
.prize_title img{
    width: 100%;
    height: auto;
}
.prize .index-head-con{
    margin-top: 20px;
}
.prize_flex {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    flex: 1;
}
.prize_result_bg{
    width: auto;
    margin: 40px auto 25px;
    position: relative;
    background: linear-gradient(135deg, #E6E6E6 0%, #FFFFFF 50%, #E6E6E6 100%);
}
.prize_result_bg img {
    width: 100%;
    height: auto;
    padding: 20PX;
    z-index: 1;
}

.prize_result_content{
    position: absolute;
    z-index: 2;
    top: 12%;
    left: 7%;
    width: 86%;
}
.section-title {
    font-family: LogoSCUnboundedSans;
    font-size: 36px;
    line-height: 50px;
    color: #0081ba;
}
.section-con {
    font-size: 24px;
    line-height: 40px;
    margin-bottom: 10px;
}
.p-title {
    font-family: LogoSCUnboundedSans;
    font-size: 36px;
    line-height: 50px;
    color: #0081ba;
    text-align: center;
}
.rules_top_bg{
    padding: 20px 0;
}
.complex_top {
    position: relative;
    z-index: 2;
    top: 0.5%;
    left: 7%;
    width: 86%;
}
.rules_bg {
    width: auto;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    padding-left: 20px;
    padding-right: 20px;
}
.rules_content {
    position: relative;
    z-index: 999;
    background-image: url(../img/gundam-bf/top_middle_pc.png);
    background-repeat: no-repeat; /* 防止背景图重复 */
    background-position: top; /* 背景图居中 */
    background-size: cover; /* 背景图覆盖容器 */
    background-blend-mode: overlay; /* 背景图与底色混合模式 */
}
.rules_bottom_bg {
    width: auto;
    margin: 0 auto 25px;
    position: relative;
}
.rules_bottom_bg img {
    width: 100%;
    height: auto;
    padding: 0 20PX 20px;
    z-index: 1;
}
/*.rules_bg img {*/
/*    width: 100%;*/
/*    height: auto;*/
/*    padding: 100px 20PX 20px;*/
/*    z-index: 1;*/
/*}*/
/*.rules_content {*/
/*    position: absolute;*/
/*    z-index: 2;*/
/*    top: 0.5%;*/
/*    left: 7%;*/
/*    width: 86%;*/
/*}*/
.rules_content_con{
    font-size: 20px;
    line-height: 40px;
    padding: 50px 40px 0;
    /*margin-top: 80px;*/
}
.enter_bg {
    width: auto;
    margin: 0 auto 25px;
    position: relative;
    background: #FFFFFFCC;
}
.enter_bg img {
    width: 100%;
    height: auto;
    padding: 100px 20PX 20px;
    z-index: 1;
}
.enter_content {
    position: absolute;
    z-index: 2;
    top: 2%;
    left: 20%;
    width: 60%;
}
.enter_content_con{
    font-size: 24px;
    line-height: 60px;
    margin-top: 80px;
}
.enter-title {
    font-family: SHanSanH;
    font-size: 30px;
    text-align: center;
}
.enter-con{
    font-size: 24px;
    line-height: 40px;
    margin: 20px auto;
}
.img-box img{
    padding: 10px 0;
}
.attention_bg{
    width: auto;
    margin: 40px auto 80px;
    position: relative;
    background: #ffffffcc;
}
.attention_bg img {
    width: 100%;
    height: auto;
    padding: 20PX;
    z-index: 1;
}

.attention_content{
    position: absolute;
    z-index: 2;
    top: 20%;
    left: 5%;
    width: 90%;
}
.records_bg {
    width: auto;
    margin: 0 auto 50px;
    position: relative;
    background: #FFFFFFCC;
}
.records_bg img {
    width: 100%;
    height: auto;
    padding: 100px 20PX 20px;
    z-index: 1;
}
.records_content {
    position: absolute;
    /*z-index: 2;*/
    top: 3%;
    left: 7%;
    width: 86%;
}
.records_content_con{
    font-size: 24px;
    line-height: 60px;
    margin-top: 60px;
}
.result-title {
    font-size: 30px;
}
.results_content {
    position: absolute;
    z-index: 2;
    top: 10%;
    left: 7%;
    width: 86%;
}
.results-con{
    font-size: 24px;
    line-height: 40px;
    margin: 10px auto;
}
.download_bg {
    width: auto;
    margin: 0 auto 50px;
    position: relative;
    background: #FFFFFFCC;
}
.records_bg img {
    width: 100%;
    height: auto;
    padding: 100px 20PX 20px;
    z-index: 1;
}
.easesign_bg {
    width: auto;
    margin: 0 auto 25px;
    position: relative;
    background: #FFFFFFCC;
}
.easesign_bg img {
    width: 100%;
    height: auto;
    padding: 100px 20PX 20px;
    z-index: 1;
}
.easesign_content {
    position: absolute;
    z-index: 2;
    top: 2.5%;
    left: 7%;
    width: 86%;
}

.index-head{
    margin-bottom: 80px;
}
.index-head a img{
    width: 100%;
}
.index-head-con{
    margin-top: 40px;
    font-family: SHanSanB;
    font-size: 24px;
    text-align: center;
    line-height: 52px;
    /*text-shadow: -3px -3px 3px #FFFFFF,3px 3px 3px #FFFFFF,0px 8px 5px rgba(0,0,0,0.7);*/
    /*text-stroke: 3px #FFFFFF;*/
    /*-webkit-text-stroke: 1.5px #FFFFFF;*/
    color: #323232;
    text-shadow:
            -2px -2px 2px #FFFFFF,
            2px -2px 2px #FFFFFF,
            -2px  2px 2px #FFFFFF,
            2px  2px 2px #FFFFFF,
    0px 8px 5px rgba(0,0,0,0.7);
}
.prize-box{
    width: 100%;
    margin-bottom: 50px;
}
.prize-box img{
    width: 100%;
}
.notice{
    line-height: 30px;
    font-family: SHanSanN;
    font-size: 16px;
}
.complex_top_bg{
    padding: 20px 0;
    background-color: rgba(255, 255, 255, 0.8); /* 使用rgba更直观控制透明度 */

}
.complex_top {
    position: relative;
    z-index: 2;
    top: 0.5%;
    left: 7%;
    width: 86%;
}
.complex_middlet_bg {
    width: auto;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    padding-left: 20px;
    padding-right: 20px;
    background-color: rgba(255, 255, 255, 0.8); /* 使用rgba更直观控制透明度 */
}
.complex_content {
    position: relative;
    z-index: 999;
    background-image: url(../img/gundam-bf/top_middle_pc.png);
    background-repeat: no-repeat; /* 防止背景图重复 */
    background-position: top; /* 背景图居中 */
    background-size: cover; /* 背景图覆盖容器 */
    background-blend-mode: overlay; /* 背景图与底色混合模式 */
}
.complex_bottom_bg {
    width: auto;
    margin: 0 auto 25px;
    position: relative;
    background: #FFFFFFCC;
}
.complex_bottom_bg img {
    width: 100%;
    height: auto;
    padding: 0 20PX 20px;
    z-index: 1;
}
main .container .section{
    width: 100%;
}
main .container .container-con{
    border: 1px solid #323232;
    padding: 20px 30px;
}
main .container .container-con img{
    max-width: 100%;
}
main .container .attention-con{
    border: 1px solid #323232;
    padding: 0 30px 20px;
    margin-top: 80px;
}
main .container .section .img-box{
    width: 100%;
    margin: 25px 0 30px;
    text-align: center;
}
main .container .section .img-box img{
    max-width: 100%;
}
.card-input{
    /*width: 600px;*/
    height: 50px;
    margin: 20px auto 30px;
    border: 2px solid #323232;
    background-color: #ffffff10;
}
main .container .section table{
    width: 100%;
    color: #323232;
}
main .container .section table tr{
    height: 50px;
}
main .container .section table thead th{
    color: #fff;
    padding: 0 18px 20px;
}
main .container .section table thead {
    height: 80px;
}
main .container .section table tr td{
    border-bottom: 1px dashed #323232;
    font-family: SHanSanB;
    padding: 0 18px;
}
main .container .section .section-title{
    font-size: 30px;
    font-family: SHanSanB;
    border-bottom: 1px dashed #323232;
    padding-top: 20px;
}
main .container .section .section-con{
    font-size: 15px;
    font-family: SHanSanR;
    line-height: 30px;
    margin-top: 15px;
}
main .container .btn-back{
    display: inline-block;
    margin-top: 64px;
    width: 100%;
    text-align: center;
}

main .container .question-con{
    padding: 50px 30px 0;
}
main .container .question-con .form-group{
    border-bottom: 1px dotted #323232;
    overflow: hidden;
    padding-bottom: 25px;
    margin-bottom: 50px;
}

#mainbody {
    position: relative;
    width: 100%;
    min-height: auto;
    overflow-y: hidden;
    background: #f1f6fd;
    color: #323232;
    height: calc(100vh - 61px);
}

#mainbody .index-text {
    text-align: center;
    padding: 250px 0 50px;
    position: relative;
    height: 100vh;
}

#mainbody .index-text h1 {
    font-size: 50px;
    font-weight: bold;
    color: #171347
}

#mainbody .index-gallery {
    text-align: center;
    padding: 200px 0 50px;
    position: relative;
}

footer {
    margin: 0 auto;
    background-color: #222222;
    padding: 20px 0;
}

footer p {
    font-size: 14px;
    margin: 0;
}

.bg-primary {
    background: #fdcc52;
    background: -webkit-linear-gradient(#fdcc52, #fdc539);
    background: linear-gradient(#fdcc52, #fdc539);
}

.btn {
    text-transform: uppercase;
    border-radius: 300px;
}

.btn-xl {
    margin-top: 20px;
    padding: 10px 45px;
    font-size: 14px;
}

/* 参与活动按钮样式 */
.button {
    text-align: center;
    margin-top: 40px;
}

.button a {
    display: inline-block;
    background: url('../img/gundam-bf/button.png') no-repeat center center;
    background-size: contain;
    width: 350px;
    height: 68px;
    line-height: 60px;
    text-decoration: none;
    color: #fff;
    font-size: 24px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.button a:hover {
    transform: scale(1.05);
    text-decoration: none;
}
/* 下载壁纸 */
.downbutton {
    text-align: center;
    margin: 60px auto;
}

.downbutton a {
    display: inline-block;
    background: url('../img/gundam-bf/downbutton.png') no-repeat center center;
    background-size: contain;
    width: 498px;
    height: 90px;
    font-family: LogoSCUnboundedSans;;
    line-height: 90px;
    text-decoration: none;
    color: #fff;
    font-size: 48px;
    text-align: center;
    transition: all 0.3s ease;
}

.downbutton a:hover {
    transform: scale(1.05);
    text-decoration: none;
}

/* 下载页面 pc下载壁纸 */
.downbuttonpc {
    text-align: center;
    margin: 60px auto;
}

.downbuttonpc a {
    display: inline-block;
    background: url('../img/gundam-bf/downbuttonpc.png') no-repeat center center;
    background-size: contain;
    width: 280px;
    height: 52px;
    font-family: LogoSCUnboundedSans;;
    line-height: 52px;
    text-decoration: none;
    color: #fff;
    font-size: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.downbuttonpc a:hover {
    transform: scale(1.05);
    text-decoration: none;
}
/* 下载页面 sp下载壁纸 */
.downbuttonsp {
    text-align: center;
    margin: 60px auto;
}

.downbuttonsp a {
    display: inline-block;
    background: url('../img/gundam-bf/downbuttonsp.png') no-repeat center center;
    background-size: contain;
    width: 172px;
    height: 52px;
    font-family: LogoSCUnboundedSans;;
    line-height: 52px;
    text-decoration: none;
    color: #fff;
    font-size: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.downbuttonsp a:hover {
    transform: scale(1.05);
    text-decoration: none;
}
#login-form .btn-submit{
    max-width: 100%;
    margin-top: 50px;
}

/*.form-group .radio .question3-label,.form-group .radio .question3-label2{*/
/*    width: 20%;*/
/*}*/
/*.form-group .radio .question4-label,.form-group .radio .question4-label2{*/
/*    width: 13%;*/
/*}*/
/*.form-group .radio .question5-label{*/
/*    width: 20%;*/
/*}*/
/*.form-group .radio .question6-label,.form-group .radio .question6-label2{*/
/*    width: 20%;*/
/*}*/
/*.form-group .radio .question7-label{*/
/*    width: 25%;*/
/*}*/
/*.form-group .radio .question7-label2{*/
/*    width: 50%;*/
/*}*/
/*.form-group .radio .question7-label3{*/
/*    width: 75%;*/
/*}*/
/*.form-group .radio .question8-label,.form-group .radio .question8-label2{*/
/*    width: 13%;*/
/*}*/
/*.form-group .radio .question9-label{*/
/*    width: 25%;*/
/*}*/
/*.form-group .radio .question9-label2{*/
/*    width: 50%;*/
/*}*/
/*.form-group .radio .question9-label3{*/
/*    width: 75%;*/
/*}*/
.question16-textarea{
    width: 100%;
    height: 120px;
}

@media (max-height: 500px) {
    #mainbody {
        height: inherit;
    }
}

@media (min-width: 768px) {
    .navbar-default {
        background-color: #323232;
        border-color: #323232;
    }

    #mainbody .index-text {
        text-align: left;
    }
}

/* 1200px以下响应式 */
@media (max-width: 1200px) {
    header {
        height: 280px;
    }

    header .container {
        width: 100%;
        padding: 0 20px;
        position: relative;
        height: 280px;
    }

    header .container .navbar-header {
        width: auto;
        height: 280px;
        display: flex;
        align-items: center;
    }

    header .container .navbar-header img {
        height: 280px;
        width: auto;
    }

    header .container .navbar {
        display: none;
    }

    /* 移动端菜单按钮 */
    header .container .navbar-header .mobile-menu-btn {
        position: absolute;
        top: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        background: url('../img/gundam-bf/menu.png');
        background-size: contain;
        display: flex !important;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 1000;
    }

    header .container .navbar-header .mobile-menu-btn:hover {
        transform: scale(1.1);
        opacity: 0.8;
    }


    /* 移动端菜单浮层 */
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.8);
        z-index: 1001;
        display: none;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .mobile-menu-overlay.show {
        display: block;
        opacity: 1;
    }

    .mobile-menu {
        position: relative;
        top: 0;
        right: 0;
        /*width: 300px;*/
        width: 100%;
        height: 60px;
        /*background-color: transparent;*/
        transition: transform 0.3s ease;
        text-align: center;
    }

    .mobile-menu-overlay.show .mobile-menu {
        transform: translateX(0);
    }

    .mobile-menu-header {
        padding: 20px;
        text-align: right;
    }

    .mobile-menu-close {
        background: none;
        border: none;
        font-size: 25px;
        color: #000000;
        background: #ffffff;
        border-radius: 100px;
        cursor: pointer;
        padding: 10px;
        line-height: 1;
    }

    .mobile-nav {
        list-style: none;
        padding: 0;
        margin: 0;
    }


    .mobile-nav li a {
        display: block;
        padding: 20px;
        color: #ffffff;
        text-decoration: none;
        font-size: 18px;
        transition: all 0.3s ease;
        position: relative;
    }

    .mobile-nav li a:hover,
    .mobile-nav li a.active {
        color: #f6ab00;
        border-bottom: 1px solid #f6ab00;
    }

    .mobile-nav li a.active:after {
        content: '';
        position: absolute;
        bottom: 3px;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 3px;
        background-color: #f6ab00;
    }
    .mobile-nav li a.disabled {
        cursor: not-allowed;
        color: #999;
    }
    .mobile-nav li a.disabled:after {
        background-color: transparent;
    }

    main .container{
        width: 100%;
    }
    .index-head-con{
        margin-top: 30px;
        font-size: 20px;
        line-height: 42px;
    }
    .button {
        text-align: center;
        margin-top: 2vw;
    }
    .button a {
        width: 30vw;
        height: 6vw;
        line-height: 5.5vw;
        font-size: 2.5vw;
    }
    .downbutton {
        text-align: center;
        margin-top: 6vw;
    }
    .downbutton a {
        width: 40vw;
        height: 8vw;
        line-height: 8vw;
        font-size: 3.5vw;
    }
    .step1{
        margin: 40px 20px 25px;
    }
    .otherflex{
        margin: 0 20px;
    }
    .stepname{
        font-size: 2.8vw;
        line-height: 6vw;
    }
    .steptitle{
        font-size: 2.5vw;
        line-height: 5.5vw;
    }
    .stepconnect{
        font-size: 1.8vw;
        line-height: 2.1vw;
        padding: 1.8vw;
    }
    .stepconnectsmall{
        font-size: 1.5vw;
    }
    .section-title {
        font-size: 2.5vw;
        line-height: 4vw;
    }
    .section-con {
        font-size: 1.8vw;
        line-height: 3vw;
        margin-bottom: 1vw;
    }
    .rules_bg img {
        padding: 10vw 20px 20px;
    }
    .p-title {
        font-size: 3.5vw;
        line-height: 6vw;
    }
    .rules_content_con{
        font-size: 2vw;
        line-height: 3vw;
        margin-top: 6vw;
    }
    .enter_bg {
        width: auto;
        margin: 0 auto 25px;
        position: relative;
        background: #FFFFFFCC;
    }
    .enter_bg img {
        padding: 10vw 20PX 20px;
    }
    .enter_content {
        position: absolute;
        z-index: 2;
        top: 2%;
        left: 20%;
        width: 60%;
    }
    .enter_content_con{
        font-size: 3vw;
        line-height: 5vw;
        margin-top: 4vw;
    }
    .enter-title {
        font-size: 3vw;
    }
    .enter-con{
        font-size: 2vw;
        line-height: 3.5vw;
        margin: 1vw auto;
    }
    .img-box img{
        padding: 1vw 0;
    }
    .card-input {
        margin: 1vw auto 2vw;
    }
    .records_bg {
        width: auto;
        margin: 0 auto 50px;
        position: relative;
        background: #FFFFFFCC;
    }
    .records_bg img {
        width: 100%;
        height: auto;
        padding: 80px 20PX 20px;
        z-index: 1;
    }
    .records_content_con {
        font-size: 2.8vw;
        line-height: 5.5vw;
        margin-top: 1vw;
    }
    .attention_bg{
        margin: 40px auto 6vw;
    }
    main .container .section table thead {
        height: 8vw;
    }
    main .container .section table tr td{
        font-size: 1.8vw;
        line-height: 3.6vw;
    }
    main .container .section table tr {
        height: 40px;
    }
    main .container .section table thead th {
        padding: 0.5vw 18px 0;
    }
    .result-title {
        font-size: 2.8vw;
    }
    .results_content {
        position: absolute;
        z-index: 2;
        top: 10%;
        left: 7%;
        width: 86%;
    }
    .results-con{
        font-size: 2.2vw;
        line-height: 3.2vw;
        margin: 2px auto;
    }
    /* 下载页面 pc下载壁纸 */
    .downbuttonpc {
        margin: 5vw auto;
    }

    .downbuttonpc a {
        width: 52vw;
        height: 5.2vw;
        line-height: 5.2vw;
        color: #fff;
        font-size: 3vw;
    }

    /* 下载页面 sp下载壁纸 */
    .downbuttonsp {
        margin: 5vw auto;
    }

    .downbuttonsp a {
        width: 17.2vw;
        height: 5.2vw;
        line-height: 5.2vw;
        font-size: 3vw;
    }
    main .container .question-con .form-group{
        border-bottom: 1px dotted #323232;
        overflow: hidden;
        padding-bottom: 0.5vw;
        margin-bottom: 1.5vw;
    }
    main .container .question-con {
        padding: 5vw 20px 0;
    }
    .form-control {
        height: 30px;
    }
}

@media (min-width: 1201px) {
    .mobile-menu-btn {
        display: none !important;
    }

    .mobile-menu-overlay {
        display: none !important;
    }
}

/* 防止菜单打开时页面滚动 */
body.menu-open {
    overflow: hidden;
}

@media (max-width: 768px) {
    header {
        height: 168px;
    }

    header .container {
        width: 100%;
        padding: 0 20px;
        position: relative;
        height: 200px;
    }

    header .container .navbar-header {
        width: auto;
        height: 200px;
        display: flex;
        align-items: center;
    }

    header .container .navbar-header img {
        height: 150px;
        width: auto;
    }

    header .container .navbar {
        display: none;
    }
    /* 移动端菜单按钮 */
    header .container .navbar-header .mobile-menu-btn {
        display: flex !important;
        position: absolute;
        right: 20px;
        top: 20px;
        width: 35px;
        height: 35px;
        cursor: pointer;
        z-index: 100;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    header .container .navbar-header .mobile-menu-btn:hover {
        transform: scale(1.1);
        opacity: 0.8;
    }

    main .container{
        width: 100%;
        /*padding: 0 15px;*/
    }
    .index-head-con{
        margin-top: 20px;
        font-size: 3vw;
        line-height: 7vw;
        /*text-shadow: 2px -2px 2px #FFFFFF, 2px 2px 2px #FFFFFF, 0px 5px 5px rgba(0, 0, 0, 0.7);*/
        text-shadow:
                -1px -1px 2px #FFFFFF,
                1px -1px 2px #FFFFFF,
                -1px  1px 2px #FFFFFF,
                1px  1px 2px #FFFFFF,
                0px 5px 5px rgba(0,0,0,0.7);
    }
    .button a {
        width: 180px;
        height: 40px;
        line-height: 40px;
        font-size: 14px;
    }
    .step1{
        margin: 40px 10px 20px;
    }
    .step1 img {
        position: relative;
        z-index: 1;
    }
    .step1content{
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 2;
    }

    .stepname{
        font-size: 5vw;
        line-height:10.5vw;
        padding-left: 10px;
    }
    .steptitle{
        font-size: 3.5vw;
        line-height: 8vw;
    }
    .stepconnect{
        font-size: 2.8vw;
        line-height: 4vw;
        padding: 2vw 2vw;
        margin: 0 10px;
    }
    .stepconnectsmall{
        font-size: 2.2vw;
    }
    .otherflex{
        display: grid;
        gap: 20px;
        justify-content: unset;
        margin: 0 10px;
    }
    .stepother{
        width: auto;
        margin: 0;
    }
    .stepother img {
        position: relative;
        z-index: 1;
    }
    .stepothercontent{
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 2;
    }
    .prize_result_content{
        top: 6%;
        left: 10%;
        width: 80%;
    }
    .prize_result_bg img{
        padding: 10px;
    }
    .section-title {
        font-size: 4vw;
        line-height: 10vw;
    }
    .section-con {
        font-size: 3vw;
        line-height: 4.5vw;
        margin-bottom: 1vw;
    }
    .rules_bg {
        padding: 0 10px 0;
    }
    .rules_content {
        position: relative;
        z-index: 999;
        background-image: url(../img/gundam-bf/top_middle_sp.png);
        background-repeat: no-repeat; /* 防止背景图重复 */
        background-position: top; /* 背景图居中 */
        background-size: cover; /* 背景图覆盖容器 */
        background-blend-mode: overlay; /* 背景图与底色混合模式 */
    }
    .rules_bottom_bg img {
        padding: 0 10PX 10px;
    }
    .p-title {
        font-size: 5vw;
        line-height: 10vw;
    }
    .rules_content_con{
        font-size: 3vw;
        line-height: 5.8vw;
        margin-top: 0;
        padding: 5vw;
    }
    .enter_bg {
        width: auto;
        margin: 0 auto 25px;
        position: relative;
        background: #FFFFFFCC;
    }
    .enter_bg img {
        padding: 10vw 10PX 10px;
    }
    .enter_content {
        position: absolute;
        z-index: 2;
        top: 0;
        left: 10%;
        width: 80%;
    }
    .enter_content_con{
        font-size: 4vw;
        line-height: 6vw;
        margin-top: 8vw;
    }
    .enter-title {
        font-size: 4vw;
    }
    .enter_content_con .enter-con{
        font-size: 3vw;
        line-height: 5.8vw;
        margin: 4vw auto;
    }
    .enter-con{
        font-size: 3vw;
        line-height: 5.8vw;
        margin: 1vw auto;
    }
    .img-box img{
        padding: 2vw 0;
    }
    .card-input {
        margin: 4vw auto 8vw;
        height: 34px;
        border: 1px solid #323232;
    }
    .attention_bg{
        margin: 40px auto 6vw
    }
    .attention_bg img {
        padding: 10PX;
    }
    .attention_content{
        position: absolute;
        z-index: 2;
        top: 15%;
        left: 7%;
        width: 86%;
    }
    .records_bg {
        width: auto;
        margin: 0 auto 8vw;
        position: relative;
        background: #FFFFFFCC;
    }
    .records_bg img {
        width: 100%;
        height: auto;
        padding: 12vw 10PX 10px;
        z-index: 1;
    }
    .records_bg {
        width: auto;
        margin: 0 auto 25px;
        position: relative;
        background: #FFFFFFCC;
    }
    .records_bg img {
        width: 100%;
        height: auto;
        padding: 10vw 10px 10px;
        z-index: 1;
    }
    .records_content {
        top: 0.5%;
        left: 7%;
    }
    .records_content_con {
        font-size: 3.5vw;
        line-height: 7vw;
        margin-top: 1vw;
    }
    main .container .section table thead {
        height: 12vw;
    }
    main .container .section table tr td {
        font-size: 3vw;
        line-height: 5vw;
    }
    main .container .section table tr {
        height: 10vw;
    }
    main .container #form_submit img{
        max-width: 100%;
    }
    main .container .attention-con {
        border: 1px solid #323232;
        padding: 0 15px 20px;
        margin-top: 80px;
    }
    main .container .container-con {
        border: 1px solid #323232;
        padding: 20px 15px;
    }
    .result-title {
        font-size: 4vw;
    }
    .results_content {
        position: absolute;
        z-index: 2;
        top: 10%;
        left: 7%;
        width: 86%;
    }
    .results-con{
        font-size: 3vw;
        line-height: 5.8vw;
        margin: 10px auto;
    }
    .complex_middlet_bg {
        padding-left: 10px;
        padding-right: 10px;
    }
    .complex_content {
        background-image: url(../img/gundam-bf/top_middle_sp.png);
    }
    .complex_bottom_bg img {
        padding: 0 10PX 10px;
    }
    /* 下载页面 pc下载壁纸 */
    .downbuttonpc {
        margin: 5vw auto;
    }

    .downbuttonpc a {
        width: 80vw;
        height: 8vw;
        line-height: 8vw;
        color: #fff;
        font-size: 4vw;
    }

    /* 下载页面 sp下载壁纸 */
    .downbuttonsp {
        margin: 5vw auto;
    }

    .downbuttonsp a {
        width: 80vw;
        height: 8vw;
        background: url('../img/gundam-bf/downbuttonpc.png') no-repeat center center;
        line-height: 8vw;
        background-size: contain;
        color: #fff;
        font-size: 4vw;
    }

    .easesign_bg img {
        padding: 12vw 10PX 10px;
    }
    .easesign_content {
        position: absolute;
        z-index: 2;
        top: 1%;
        left: 7%;
        width: 86%;
    }

    .play_item{
        width: 100%;
    }
    .notice{
        padding: 0 15px;
    }

    .card-input{
        width: 100%;
    }
    .index-head{
        margin-bottom: 30px;
    }
    .how_to_play_item .item-title{
        font-size: 20px;
    }
    .how_to_play_item .desc{
        font-size: 16px;
    }
    main .container .section .section-title{
        font-size: 24px;
    }

    .form-group .radio .question1-label{
        width: 32%;
    }
    .form-group .radio .question2-label{
        width: 49%;
    }
    .form-group .radio .question2-label2{
        width: 100%;
    }
    .form-group .radio .question3-label1{
        width: 100%;
    }
    .form-group .radio .question3-label2{
        width: 100%;
    }

    .form-group .radio .question4-label{
        width: 100%;
    }
    .form-group .radio .question4-label2{
        width: 100%;
    }
    .form-group .radio .question5-label{
        width: 49%;
    }
    .form-group .radio .question5-label2{
        width: 100%;
    }
    .form-group .radio .question6-label{
        width: 49%;
    }
    .form-group .radio .question6-label2{
        width: 100%;
    }
    .form-group .radio .question7-label{
        width: 49%;
    }
    .form-group .radio .question7-label1{
        width: 100%;
    }
    .form-group .radio .question8-label{
        width: 49%;
    }
    .form-group .radio .question8-label1{
        width: 100%;
    }
    .form-group .radio .question8-label2{
        width: 100%;
    }
    .form-group .radio .question9-label{
        width: 100%;
    }
    .form-group .radio .question10-label{
        width: 49%;
    }
    .form-group .radio .question11-label{
        width: 49%;
    }
    .form-group .radio .question11-label1{
        width: 100%;
    }
    .form-group .radio .question12-label{
        width: 49%;
    }
    .form-group .radio .question12-label1{
        width: 100%;
    }
    .form-group .radio .question13-label{
        width: 49%;
    }
    .form-group .radio .question13-label1{
        width: 100%;
    }
    .form-group .radio .question14-label{
        width: 32%;
    }
    .form-group .radio .question13-label1{
        width: 100%;
    }
    .form-group .radio .question15-label{
        width: 32%;
    }
    .form-group .radio .question15-label1{
        width: 49%;
    }
    .form-group .radio .question15-label2{
        width: 100%;
    }
    .question3-location {
        width: 30%;
        padding: 0 5px;
    }
    .question16-textarea{
        width: 100%;
        height: 100px;
    }
    .complex_top_bg{
        padding: 2vw 0;
    }
    main .container .question-con {
        padding: 5vw 5vw 0;
    }
    main .container .question-con .form-group {
        padding-bottom: 1.5vw;
        margin-bottom: 3vw;
    }
    checkbox, .radio {
        margin-top: 1vw;
        margin-bottom: 1vw;
    }

    .navbar-default {
        background-color: #323232;
        border-color: #323232;
    }

    .navbar-default .navbar-collapse {
        background: #323232;
        box-shadow: 5px 9px 5px rgba(0, 0, 0, 0.07);
    }

    #mainbody {
        height: unset;
    }

    #mainbody .index-text {
        padding: 130px 0 0 0;
        height: calc(100vh - 261px);
    }

    #mainbody .index-gallery {
        padding: 30px 0 50px 0;
    }

    #mainbody .index-text h1 {
        font-size: 50px;
        margin-bottom: 20px;
    }
}