.menu-container-bg{
    background-image: url('../images/battle-bg.png');
    /* background-repeat: no-repeat; */
    background-position: top center;
    padding: 220px 0 190px 0;
}

.menu-container {
    margin: 0px auto;
    max-width: 1200px;
    padding: 0 20px;
    font-family: "Microsoft YaHei", sans-serif;
}

.main-menu, .sub-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 0;
    justify-content: center;
}

.main-menu {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    display: flex;
    gap: 0;
    padding-bottom: 70px;
}

.main-item {
    cursor: pointer;
    position: relative;
    padding: 0;
    color: #fff;
    margin-right: -10px;
    width: 160px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #747474;
    transform: skew(20deg);
    transition: all 0.2s;
    background-color: #000;
}

.main-item > span {
    transform: skew(-20deg);
    display: block;
}

.main-item::before {
    display: none;
}

.main-item.active {
    border: none;
    background-color: #a51b31 !important;
}

.main-item:hover {
    border: none;
    background-color: #a51b31 !important;
}

.main-item.active::after {
    display: none;
}

.sub-menu {
    list-style: none;
    padding: 0 0 20px 0;
    display: flex;
    gap: 0;
    justify-content: flex-end;
    margin: 0;
}

.sub-item {
    cursor: pointer;
    position: relative;
    padding: 0;
    color: #fff;
    margin-right: -1px;
    width: 120px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sub-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    z-index: -1;
    transition: background-color 0.2s;
    box-sizing: border-box;
}

.sub-item.active {
    z-index: 1;
    position: relative;
}

.sub-item.active::before {
    background-color: #790b1e;
}

.sub-item.active::after {
    content: '';
    position: absolute;
    bottom: 0px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid #333;
}

.sub-item:hover {
    z-index: 1;
}

.sub-item:hover::before {
    background-color: #790b1e;
}

.content-wrapper {
    display: flex;
    gap: 30px;
    min-height: 300px;
    /* justify-content: center; */
    padding: 20px;
}

.third-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 200px;
    flex-shrink: 0;
}

.third-item {
    cursor: pointer;
    padding: 12px 16px;
    color: #747474;
    border: 1px solid #333;
    margin-bottom: -1px;
    margin-right: -1px;
    position: relative;
    text-align: center;
}

.third-item:last-child {
    margin-bottom: 0;
}

.third-item:hover {
    color: #fff;
    background-color: rgba(230, 247, 255, 0.1);
    z-index: 1;
}

.third-item.active {
    color: #fff;
    background-color: #2b2a2a;
    font-weight: 500;
    z-index: 1;
}

.content-area {
    flex: 1;
    max-width: 800px;
    border-radius: 4px;
    color: #747474;
}

.content-area-list {
    list-style: none;
    padding: 0;
    margin: 0;
    margin-top: 40px;
}

.sub-menu-content-container {
    background-color: rgba(24,22,22,1);
    border-radius: 8px;
    margin-top: 20px;
    overflow: hidden;
}