body {
    margin: 0;
}

header {
    background: rgba(62, 151, 243, 0.85);
    color: #fff;
    padding: 20px 0;
    box-sizing: border-box;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 99;
}

.container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 1200px;
    margin: 0 auto;
}

.logo img {
    height: 60px;
}

nav {
    flex: 1;
    min-width: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    list-style: none;
    margin: 0 0 0 40px;
    padding: 0;
}

.En .nav-links {
    justify-content: center;
    margin-left: 0;
}

.nav-links li {
    position: relative;
    margin: 0 15px;
}

.En .nav-links li {
    margin: 0 5px;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    padding: 10px 0;
    display: block;
}

.En .nav-links a {
    font-size: 12px;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    background-color: rgba(62, 151, 243, 0.9);
    list-style: none;
    padding: 10px 0;
    box-sizing: border-box;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
}

.submenu li {
    padding: 0;
}

.submenu li a {
    color: #fff;
    padding: 8px 20px;
    display: block;
    transition: background-color 0.3s;
}

.submenu li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.submenu {
    transform: translateY(10px) translateX(-50%);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
}

.has-submenu:hover .submenu {
    transform: translateY(0) translateX(-50%);
}

.language-selector {
    display: flex;
    align-items: center;
}

.language-selector a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
}

.language-selector .icon {
    margin-right: 10px;
    width: 16px;
    height: 16px;
    position: relative;
    top: 1px;
}

footer {
    background-color: #f5f5f5;
    padding: 25px 0;
    box-sizing: border-box;
    text-align: center;
    min-width: 1200px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    text-align: left;
}

.contact-info p {
    margin: 10px 0;
    font-size: 16px;
    color: #3D3D3D;
    line-height: normal;
}

.contact-info p a {
    text-decoration: none;
    color: #3D3D3D;
}

.qr-codes {
    display: flex;
    gap: 20px;
}

.qr-item {
    text-align: center;
}

.qr-item img {
    display: block;
    width: 100px;
    height: 100px;
    margin: 0 auto;
    border-radius: 5px;
    margin-bottom: 5px;
}

.qr-item span {
    font-size: 12px;
    color: #666;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 50px 0;
    gap: 15px;
}

.page-numbers {
    display: flex;
    gap: 10px;
}

.page-numbers a,
.page-nav {
    padding: 8px 15px;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s;
}

.page-numbers a.active {
    background-color: rgba(62, 151, 243, .85);
    color: #fff;
}

.page-numbers a:hover:not(.active),
.page-nav:hover:not(.disabled) {
    background-color: #f0f0f0;
}

.page-nav.disabled {
    color: #ccc;
    cursor: not-allowed;
}

.empty {
    width: 100%;
    margin: 150px 0;
    text-align: center;
}

.empty .img-wrap {
    width: 57px;
    font-size: 0;
    margin: 0 auto;
}

.empty .img-wrap img {
    width: 100%;
}

.empty .text {
    font-size: 16px;
    color: #999999;
    margin-top: 30px;
}

.sidebar-nav {
    position: fixed;
    bottom: 10%;
    right: 20px;
    z-index: 1000;
}

.nav-item {
    margin: 1px 0;
    position: relative;
}

.nav-item a {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    flex-direction: column;
    width: 70px;
    height: 70px;
    background: rgb(62, 151, 243);
    transition: boreder-radius 0.5s ease-in-out;
}

.nav-item:first-child a {
    border-radius: 5px 5px 0 0;
}

.nav-item:last-child a, 
.nav-item:nth-last-child(2) a {
    border-radius: 0 0 5px 5px;
}

.nav-item.no-border-radius a {
    border-radius: unset;
}

.nav-item a > img {
    display: block;
    width: 25px;
    height: 25px;
    margin: 0 auto;
}

.nav-item a > p {
    font-size: 12px;
    margin: 10px 0 0;
    color: #fff;
}

.popup {
    position: absolute;
    right: 70px;
    top: 0;
    background-color: #25282E;
    padding: 10px;
    box-sizing: border-box;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.popup img {
    width: 100px;
    height: 100px;
}

.popup p {
    font-size: 20px;
    font-weight: bold;
    line-height: 50px;
    color: #fff;
    width: max-content;
    margin: 0;
}

.nav-item:hover .popup {
    opacity: 1;
    visibility: visible;
}

.nav-item:hover a {
    background-color: #25282E;
}

#top {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

#top.show {
    opacity: 1;
    visibility: visible;
}