/* css reset */
body,
dl,
dd,
ul,
ol,
h1,
h2,
h3,
h4,
h5,
h6,
p,
form,
header,
section,
article,
footer {
    margin: 0;
}

body,
button,
input,
select,
textarea {
    font: 12px/1.5 tahoma, '\5FAE\8F6F\96C5\9ED1', sans-serif
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%
}

em,
b {
    font-style: normal
}

a {
    text-decoration: none
}

a:hover {
    text-decoration: underline
}

img {
    border: 0
}

li {
    list-style: none outside none;
}

button,
input,
select,
textarea {
    font-size: 100%;
    outline: none
}

table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0
}

td,
th,
ul,
ol {
    padding: 0
}

a:hover {
    text-decoration: none;
    filter: brightness(1.1);
}

.SDGCOPYRIGHT-wrap20130425 {
    min-width: 1400px;
}

@font-face {
    font-family: 'fz';
    src: url('https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/fz.TTF');
}

/* nav */
.nav {
    position: fixed;
    z-index: 70;
    top: 0;
    left: 0;
    width: 100%;
    min-width: 1400px;
    height: 98px;
    display: flex;
    justify-content: center;
    background-color: #cb3712;
}

.nav .logo {
    position: absolute;
    top: 20px;
    left: 55px;
    display: block;
    width: 149px;
    height: 31px;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/logo.png) no-repeat;
}

.top_nav {
    position: absolute;
    top: 60px;
    left: 0;
    min-width: 259px;
    display: flex;
    justify-content: center;
}

    .top_nav a, .top_nav div {
        font-size: 14px;
        color: #f3dd9a;
        font-weight: bold;
        margin: 0 13px;
    }

.nav ul {
    width: 179px;
    display: flex;
    flex-wrap: nowrap;
}

.nav li {
    width: 179px;
    height: 98px;
    box-sizing: border-box;
}

.nav li a {
    display: block;
    width: 100%;
    height: 100%;
    text-indent: -999em;
    background-position: 50% 50%;
    background-repeat: no-repeat;
}

.nav li.nav1 a {
    background-image: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/nav1.png);
}

.nav li.nav1 a:hover,
.nav li.nav1.active a {
    background-image: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/nav1_h.png);
}

.wrapout {
    position: relative;
    min-width: 1400px;
    max-width: 1920px;
    margin: 0 auto;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/wrapout.jpg) no-repeat center top;
}

.side {
    position: absolute;
    top: 1169px;
    right: 22px;
    width: 226px;
    height: 345px;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/side.png) no-repeat;
}

.side .btns {
    width: 171px;
    margin: 0 auto;
    padding-top: 91px;
    display: flex;
    flex-wrap: wrap;
}

.side .btns a {
    width: 100%;
    height: 59px;
    margin-bottom: 11px;
    text-indent: -999em;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/side_btn.png) no-repeat;
}

.side .btns a:nth-child(1) {
    background-position: 0 0;
}

.side .btns a:nth-child(2) {
    background-position: 0 -70px;
}

.side .btns a:nth-child(3) {
    background-position: 0 -140px;
}

.side .btns a:hover {
    background-position-x: right;
}

.header {
    height: 1306px;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/header.jpg) no-repeat center top;
}

.event {
    position: relative;
    min-width: 1200px;
    margin: 0 auto;
}

.event .event_title {
    display: none;
}

.event1 {
    height: 1294px;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/event1.jpg) no-repeat center top;
}

.event1 .lantern {
    position: absolute;
    left: 50%;
    display: block;
    width: 220px;
    height: 248px;
    animation: swing 2.5s ease-in-out infinite alternate;
    transform-origin: top center;
    cursor: pointer;
    overflow: hidden;
}

.event1 .lantern1 {
    top: 275px;
    margin-left: -611px;
    animation-duration: 2.2s;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern1.png) no-repeat;
}

.event1 .lantern2 {
    width: 221px;
    top: 524px;
    margin-left: -463px;
    animation-duration: 2.4s;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern2.png) no-repeat;
}

.event1 .lantern3 {
    top: 347px;
    margin-left: -284px;
    animation-duration: 2.1s;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern3.png) no-repeat;
}

.event1 .lantern4 {
    width: 221px;
    height: 249px;
    top: 556px;
    margin-left: -126px;
    animation-duration: 2s;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern4.png) no-repeat;
}

.event1 .lantern5 {
    top: 338px;
    margin-left: 33px;
    animation-duration: 2.6s;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern5.png) no-repeat;
}

.event1 .lantern6 {
    width: 255px;
    height: 289px;
    top: 496px;
    margin-left: 190px;
    animation-duration: 2.1s;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern6.png) no-repeat;
}

.event1 .lantern7 {
    width: 270px;
    height: 309px;
    top: 280px;
    margin-left: 356px;
    animation-duration: 2.4s;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern7.png) no-repeat;
}

.event1 .lantern:hover {
    animation-play-state: paused !important;
    filter: drop-shadow(0px 0px 6px rgba(0, 0, 0, .5));
    animation-name: none;
    transition: all .5s ease;
    transform: rotateX(0deg);
}

.event1 .lantern .task {
    position: absolute;
    bottom: 80px;
    left: 50%;
    margin-left: -152px;
    width: 304px;
    height: 367px;
    opacity: 0;

}

.event1 .lantern:hover .task {
    opacity: 1;
    transition: opacity .3s ease;
}

.event1 .lantern1 .task {
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern1_task.png) no-repeat;
}

.event1 .lantern2 .task {
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern2_task.png) no-repeat;
}

.event1 .lantern3 .task {
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern3_task.png) no-repeat;
}

.event1 .lantern4 .task {
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern4_task.png) no-repeat;
}

.event1 .lantern5 .task {
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern5_task.png) no-repeat;
}

.event1 .lantern6 .task {
    bottom: 96px;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern6_task.png) no-repeat;
}

.event1 .lantern7 .task {
    bottom: 102px;
    height: 384px;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/lantern7_task.png) no-repeat;
}

@keyframes swing {
    0% {
        transform: rotate(-3deg);
    }

    100% {
        transform: rotate(3deg);
    }
}

.event1 .task_btn {
    position: absolute;
    bottom: 39px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 96px;
    height: 27px;
    display: block;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/task_btn.png) no-repeat;
}

.event1 .task_btn.dis {
    background-position: 0 0;
}

.event1 .task_btn.get {
    background-position: 0 -27px;
}

.event1 .task_btn.isok {
    cursor: default;
    background-position: 0 -54px;
}

/* pop */
#mask {
    display: none;
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .6);
}

.pop {
    position: absolute;
    z-index: 200;
    color: #d62c02;
    display: none;
}

.pop1 {
    width: 895px;
    height: 500px;
    padding: 95px 20px 0 20px;
    box-sizing: border-box;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/pop1.png) no-repeat;
}

.pop .close {
    position: absolute;
    top: 62px;
    top: 62px;
    right: 88px;
    display: block;
    width: 45px;
    height: 45px;
    text-indent: -999em;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/pop_close.png) no-repeat;
}

.pop1 .pop_con {
    width: 72%;
    height: 192px;
    line-height: 64px;
    font-size: 42px;
    text-align: center;
    font-family: 'fz';
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
    overflow-y: auto;
    margin: 0 auto 36px;
}

.pop1 .pop_con span {
    font-family: '\5FAE\8F6F\96C5\9ED1';
    font-size: 18px;
}

.pop2 {
    width: 1115px;
    height: 622px;
    padding: 20px;
    box-sizing: border-box;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/pop2.png) no-repeat;
}

.pop2 .close {
    top: 78px;
    right: 110px;
}

.pop2 .pop_title {
    height: 194px;
    text-indent: -999em;
}

.pop2 .pop_con {
    padding: 0 115px;
    font-size: 18px;
    line-height: 32px;
}


.pop .pop_con a {
    color: inherit;
    text-decoration: underline;
}

.pop .pop_con td {
    vertical-align: top;
}

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

.pop .pop_btn a {
    width: 179px;
    height: 53px;
    margin: 0 54px;
    text-indent: -999em;
    background: url(https://static.web.sdo.com/bfo/pic/act_bfo/202602sfpresent_c95c550/pop_btn.png) no-repeat;
}

.pop .pop_btn a.confirm {
    background-position: 0 0;
}

.pop .pop_btn a.cancel {
    background-position: 0 bottom;
}

.pop .pop_con::-webkit-scrollbar {
    width: 10px;
}

.pop .pop_con::-webkit-scrollbar-track {
    border-radius: 10px;
}

.pop .pop_con::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: #945f48;
}