#prizezone .event_list section .box {
    max-width: 747px;
}

#prizezone .event_list section .all {
    margin: 0px;
}

#prizezone .event_list section .detail{
    margin: 0 0 0 0;
}
#prizezone .event_list section .detail+.detail {
    margin: 14px 0 0 0;
}

/* 展開/收合 icon（純 CSS 繪製箭頭，不使用文字；同一顆 icon 依狀態旋轉方向，不隨文字換行跑位） */
#prizezone .event_list section .detail .more {
    display: inline-block;
    width: 22px;
    height: 22px;
    margin-left: 4px;
    vertical-align: middle;
    cursor: pointer;
    position: relative;
    top: -2px;
}

#prizezone .event_list section .detail .more::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid #b6b6b6;
    border-bottom: 2px solid #b6b6b6;
    transition: transform 0.2s ease, border-color 0.2s ease;
    /* 預設（收合狀態）：箭頭朝下，代表可展開 */
    transform: translate(-50%, -65%) rotate(45deg);
}

#prizezone .event_list section .detail .more:hover::after {
    border-color: #8d8d8d;
}

/* 展開狀態：箭頭朝上，代表可收合 */
#prizezone .event_list section .detail .more.is-open::after {
    transform: translate(-50%, -35%) rotate(225deg);
}

#prizezone .event_list section .btn_un {
    padding: 16px 54px;
    font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 300;
    font-size: 18px;
    color: #FFF;
    border: 1px solid #b5b5b5;
    background-color: #bbbbbb;
    background: -moz-linear-gradient(270deg, #bbbbbb 0%, #b2b2b2 100%);
    background: -webkit-linear-gradient(270deg, #bbbbbb 0%, #b2b2b2 100%);
    background: -o-linear-gradient(270deg, #bbbbbb 0%, #b2b2b2 100%);
    display: inline-block;
}

#prizezone .event_list section .btn {
    margin: 40px 10px;
    padding: 17px 54px;
    font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 300;
    font-size: 18px;
    color: #FFF;
    border: 1px solid #43a6e9;
    background-color: #4faff1;
    background: -moz-linear-gradient(270deg, #4faff1 0%, #3b9fe3 100%);
    background: -webkit-linear-gradient(270deg, #4faff1 0%, #3b9fe3 100%);
    background: -o-linear-gradient(270deg, #4faff1 0%, #3b9fe3 100%);
    display: inline-block;
}

#prizezone .event_list section .btn_un,
#prizezone .event_list section .btn {
    box-sizing: border-box;
    min-width: 220px;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    margin: 24px 0px;
}
#prizezone .event_list section .btn.disabled{
    opacity: 0.65;
    pointer-events: none;
}
#prizezone .event_list section .more{
    margin-top:0px;
}
/* category、box、btn 併排一列：縮減 box 寬度，保留足夠空間讓按鈕留在同一行，避免換到下一行 */
@media screen and (max-width: 750px) {
    #prizezone .event_list .btn {
        width: 100% !important;
    }
    #prizezone .event_list section .btn_un,
    #prizezone .event_list section .btn {
        margin: 16px 0px 16px;
        padding: 12px 32px;
    }
}