body {
    margin: 0;
    background: #f7f8fa;
    color: #333;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.7;
    padding-bottom: 52px;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: #1276f1;
}

#page,
.container,
.main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 15px;
    box-sizing: border-box;
}

.knn-unlicensed-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2147483000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 15px;
    font-size: 13px;
    line-height: 1.5;
    color: #fff;
    background: linear-gradient(135deg, #ff5473 10%, #e6284d 100%);
    box-shadow: 0 -2px 12px rgba(230, 40, 77, .35);
    text-align: center;
}

.knn-unlicensed-bar-icon {
    font-size: 16px;
    flex: none;
    animation: knn-unlicensed-blink 1.6s ease-in-out infinite;
}

.knn-unlicensed-bar a {
    flex: none;
    color: #e6284d;
    background: #fff;
    border-radius: 30px;
    padding: 2px 12px;
    font-size: 12px;
    text-decoration: none;
    transition: opacity .2s;
}

.knn-unlicensed-bar a:hover {
    opacity: .85;
    color: #e6284d;
}

@keyframes knn-unlicensed-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
}

@media (max-width: 767px) {
    .knn-unlicensed-bar {
        font-size: 12px;
        padding: 8px 10px;
    }
}