.main-nav-nofixed {
    box-sizing: border-box;
    position: relative;
    width: 100%;
    padding-top: 2em;
    padding-bottom: .25em;
    background-color: #fff;
}


.main-nav {
    box-sizing: border-box;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    padding-top: 2em;
    padding-bottom: .25em;
    background-color: #fff;
    /* height: 110px; */
    /* border-bottom: 1px solid red; */
}

.main-nav__content {
    box-sizing: border-box;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    max-width: 1400px;
    height: 100%;
    display: flex;
    align-items: flex-end;
    position: relative;
    /* border-bottom: 1px solid blue; */
    padding-left: 8px;
    padding-right: 8px;
}

.main-nav__logo-box {
    display: block;
    box-sizing: border-box;
    flex: 1 0 auto;
    /* 195px / 1400px */
    /* width: 13.928571%; */
    /* width: 100px; */
    max-width: 195px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.main-nav__logo {
    width: 100%;
}

.main-nav__left-space {
    box-sizing: border-box;
    flex: 1 1 auto;
    /* 280px / 1400px */
    width: 20%;
}

.main-nav__right-space {
    box-sizing: border-box;
    flex: 1 1 auto;
    /* 100px / 1400px */
    width: 7.142857%;
}

.main-nav__menu {
    box-sizing: border-box;
    flex: 1 1 auto;
    width: 800px;
    height: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    /* border: 1px solid salmon; */
}

.main-nav__menu--fontsize {
    font-size: 14px;
}

@media (min-width: 992px) and (max-width: 1199px) {
    .main-nav__menu--fontsize {
        font-size: 16px;
    }
}

@media (min-width: 1200px) and (max-width: 1599px) {
    .main-nav__menu--fontsize {
        font-size: 18px;
    }
}

@media (min-width: 1600px) {
    .main-nav__menu--fontsize {
        font-size: 20px;
    }
}

.main-nav__menu-item {
    box-sizing: border-box;
    /* padding-bottom: 8px; */
    min-width: 6em;
    /* border: 1px solid darkgreen; */
    cursor: pointer;
    position: relative;
}

.main-nav__menu-item-text {
    display: inline-block;
    line-height: 2;
    width: 100%;
    text-align: center;
}

.main-nav__menu-item:hover::after,
.main-nav__menu-item.showline::after {
    content: '';
    position: absolute;
    left: -2px;
    right: -2px;
    bottom: -1px;
    height: 2px;
    background-color: #333;
    z-index: 10;
}


.main-nav__submenu {
    display: none;
    /* background-color: #fff;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075); */
}

.main-nav__menu-item:hover .main-nav__submenu,
.main-nav__menu-item.active .main-nav__submenu {
    box-sizing: border-box;
    display: block;
    padding-bottom: 1em;
    width: 12em;
    /* height: 100px; */
    /* border: 1px solid red; */
    position: absolute;
    top: calc(100% + 0.5em);
    left: 50%;
    transform: translateX(-6em);
    background-color: #fff;
    /* box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075); */
}


.main-nav__submenu-item {
    display: block;
    box-sizing: border-box;
    cursor: pointer;
    position: relative;
    line-height: 2.2;
    text-align: center;
    color: #333;
}

.main-nav__submenu--fontsize {
    font-size: 13px;
}

@media (min-width: 992px) and (max-width: 1199px) {
    .main-nav__submenu--fontsize {
        font-size: 15px;
    }
}

@media (min-width: 1200px) and (max-width: 1599px) {
    .main-nav__submenu--fontsize {
        font-size: 17px;
    }
}

@media (min-width: 1600px) {
    .main-nav__submenu--fontsize {
        font-size: 16px;
    }
}


.main-nav__search-box {
    position: absolute;
    width: 104px;
    top: -1.5em;
    right: .5em;
    /** 56px / 144px */
    /* height: 38.888888%; */
    border-bottom: 1px solid #333;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.main-nav__search-box-body {
    box-sizing: border-box;
    height: 50%;
    /* border: 1px solid red; */
    font-size: 12px;
    color: #5f5f5f;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-nav-search-box__hint {
    margin-right: 6px;
}

.main-nav-search-box__icon {
    width: 16px;
    height: 16px;
}