@keyframes showNav {
    from {
        background-color: transparent;
    }

    to {
        background-color: rgba(2, 77, 192, 0.8);
    }
}

@keyframes hideNav {
    from {
        background-color: rgba(2, 77, 192, 0.8);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    to {
        background-color: transparent;
        box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    }
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 1000;
}

.header.fixed {
    background-color: rgba(2, 77, 192, 0.8);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: showNav 0.8s;
}

.header.hide {
    background-color: transparent;
    animation: hideNav 0.8s;
}

.h_container {
    width: 100%;
    height: 100%;
    padding: 0 11%;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav {
    display: flex;
    height: 100%;
    gap: 50px;
}

.nav .nav_title {
    display: inline-block;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
}

.navItem {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.navItem.current .nav_title::after {
    position: absolute;
    content: " ";
    width: 100%;
    height: 3px;
    background-color: white;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 8px;
}

.navContent {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 100px;
    height: auto;
    background-color: #fff;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    z-index: 999;
    transform-origin: top;
    display: none;
}

.navContent:after {
    position: absolute;
    top: -11px;
    left: 50%;
    transform: translateX(-50%);
    width: 0px;
    height: 0px;
    content: " ";
    border-right: 10px solid transparent;
    border-top: 0 solid transparent;
    border-left: 10px solid transparent;
    border-bottom: 11px solid white;
}

@keyframes showNavModal {
    from {
        opacity: 0;
        transform: scaleY(0.5) translateX(-50%);
    }

    to {
        opacity: 1;
        transform: scaleY(1) translateX(-50%);
    }
}

@keyframes hideNavModal {
    from {
        display: block;
        opacity: 1;
        transform: scaleY(1) translateX(-50%);
    }

    to {
        display: none;
        opacity: 0;
        transform: scaleY(0.5) translateX(-50%);
    }
}

.navContent.hide {
    animation: hideNavModal 0.1s;
}

.navContent.show {
    display: block;
    animation: showNavModal 0.1s;
}

.navContent li a {
    display: block;
    color: #000;
    text-align: center;
    margin: 6px;
    padding: 5px 14px;
    border-radius: 8px;
    white-space: nowrap;
    line-height: 1.6;
    font-size: 16px;
}

.navContent li a:hover {
    background-color: #f1f1f1;
    cursor: pointer;
}


@media screen and (max-width: 1440px) {}

@media screen and (max-width: 1280px) {
    .header {
        height: 77px;
    }

    .logo {
        width: 200px;
    }

    .h_container {
        padding: 0 5%;
    }

    .nav {
        gap: 35px;
    }

    .navItem.current .nav_title::after {
        bottom: 10px;
    }

    .navContent {
        top: 77px;
    }
}

@media screen and (max-width: 960px) {
    .header {
        height: 74px;
    }

    .logo {
        width: 180px;
    }

    .h_container {
        padding: 0 1%;
    }

    .nav {
        gap: 26px;
    }

    .navItem.current .nav_title::after {
        bottom: 12px;
    }

    .navContent {
        top: 74px;
    }
}

@media screen and (max-width: 840px) {
    .header {
        height: 70px;
    }

    .logo {
        width: 160px;
    }

    .h_container {
        padding: 0 1%;
    }

    .nav {
        gap: 23px;
    }

    .nav .nav_title {
        font-size: 14px;
    }

    .navItem.current .nav_title::after {
        height: 2px;
        bottom: 14px;
    }

    .navContent {
        top: 70px;
        border-radius: 8px;
    }

    .navContent li a {
        margin: 4px;
        padding: 5px 10px;
        border-radius: 5px;
        font-size: 14px;
    }

    .navContent:after {
        top: -10px;
        border-right: 8px solid transparent;
        border-top: 0 solid transparent;
        border-left: 8px solid transparent;
        border-bottom: 10px solid white;
    }
}

@media screen and (max-width: 700px) {
    .header {
        height: 60px;
    }

    .logo {
        width: 140px;
    }

    .h_container {
        padding: 0 1%;
    }

    .nav {
        gap: 15px;
    }

    .nav .nav_title {
        font-size: 13px;
    }

    .navItem.current .nav_title::after {
        height: 2px;
        bottom: 12px;
    }

    .navContent {
        top: 60px;
        border-radius: 7px;
    }

    .navContent li a {
        margin: 3px;
        padding: 5px 10px;
        border-radius: 4px;
        font-size: 12px;
    }

    .navContent:after {
        top: -9px;
        border-right: 7px solid transparent;
        border-top: 0 solid transparent;
        border-left: 7px solid transparent;
        border-bottom: 9px solid white;
    }
}

@media screen and (max-width: 600px) {
    .header {
        display: none;
    }
}

@media (any-pointer: coarse),
(any-pointer: none) {
    .header {
        display: none;
    }
}