.landing-container {
    text-align: center;
    padding-top: 80px;
}
.site-logo {
    font-size: 60px;
    font-weight: bold;
    color: #444;
    letter-spacing: 2px;
}
.site-tagline {
    color: #777;
    margin-bottom: 40px;
    font-size: 18px;
}
.auth-buttons {
    margin-bottom: 40px;
}
.auth-buttons .btn {
    margin: 0 10px;
}
.landing-btn .glyphicon {
    margin-right: 10px;
}
.info-section {
    margin-top: 40px;
}
.info-section h3 {
    color: #428bca;
}
.login-panel {
    margin-top: 60px;
}
.navbar-brand {
    padding-top: 10px;
}
.navbar-brand img {
    height: 40px;
    width: auto;
}
.footer {
    margin-top: 60px;
    padding-bottom: 20px;
    color: #777;
}
.footer a {
    color: #428bca;
    text-decoration: none;
}
.footer a:hover {
    text-decoration: underline;
}
.navbar-default {
    background: #fff;
    border: none;
    border-radius: 0;
    box-shadow: none;
    border-bottom: 1px solid #ddd;
}
.navbar-default .navbar-nav > li > a,
.navbar-default .navbar-brand {
    color: #333 !important;
}
.navbar-default .navbar-nav > li > a:hover {
    color: #000 !important;
    background: rgba(0, 0, 0, 0.05);
}
.left-ad,
.right-ad {
    position: fixed;
    top: 100px;
    width: 200px;
    height: 700px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
}
.left-ad {
    left: 20px;
}
.right-ad {
    right: 20px;
}
@media (max-width: 1640px) {
    .left-ad,
    .right-ad {
        display: none
    }
}
.left-ad img,
.right-ad img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.main-content {
    max-width: 900px;
    margin: 0 auto;
}
@media (min-width: 1401px) {
    .main-content {
        margin-left: auto;
        margin-right: auto;
    }
}
@media (max-width: 1400px) and (min-width: 993px) {
    .main-content {
        margin-left: auto;
        margin-right: auto;
    }
}
.navbar-nav.navbar-right li a {
    display: flex;
    align-items: center;
    gap: 6px;
}

.catalog-thumb {
    position: relative;
    overflow: hidden;
}

.ribbon-new {
    position: absolute;
    top: 10px;
    right: -28px;
    width: 90px;
    text-align: center;
    background: #b51f1f;
    color: #fff;
    font-size: 10px;
    font-weight: bold;
    padding: 3px 0;
    transform: rotate(45deg);
    z-index: 20;
}

.limited-badge {
    position: absolute;
    left: 0;
    bottom: 0.1px;
    display: flex;
    align-items: center;
    z-index: 20;
}

.limited-badge span {
    background: #1b7f1b;
    color: #fff;
    font-size: 10px;
    font-weight: bold;
    line-height: 14px;
    padding: 0 12px;
}

.limited-badge i {
    width: 0;
    height: 0;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 10px solid #d9c300;
    position: relative;
}

.limitedu-badge {
    position: absolute;
    left: 0;
    bottom: 0.1px;
    display: flex;
    align-items: center;
    z-index: 20;
}

.limitedu-badge span {
    background: #1b7f1b;
    color: #fff;
    font-size: 10px;
    font-weight: bold;
    line-height: 14px;
    padding: 0 8px;
}

.limitedu-badge .u-box {
    background: #d9c300;
    color: #000;
    font-size: 10px;
    font-weight: bold;
    line-height: 14px;
    width: 14px;
    text-align: center;
}