html, body {
    margin: 0;
    overflow: hidden;
    width: 100%;
    height: 100%;
    background: black;
    background: linear-gradient(to bottom, #000000 0%, #5788fe 100%);
    font-family: 'Questrial', 'Noto Serif SC';
}

.filter {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: #fe5757;
    animation: colorChange 30s ease-in-out infinite;
    animation-fill-mode: both;
    mix-blend-mode: overlay;
}

@keyframes colorChange {
    0%, 100% {
        opacity: 0;
    }
    50% {
        opacity: .9;
    }
}

.landscape {
    position: absolute;
    bottom: 0px;
    left: 0;
    width: 100%;
    height: 100%;	
    background-image: url('');
    background-size: 1000px 250px;
    background-repeat: repeat-x;
    background-position: center bottom;
}

.content {
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    -khtml-user-select: none;
    user-select: none;
    text-align: center;
    color: #fff;
    position: absolute;
    left: 50%;
    top: 45%;
    transform: translate(-50%, -50%);
    z-index: 9999;
}

.content .title {
    margin: 15px 0;
    font-size: 2.5em;
    letter-spacing: 4px;
    color: #FFF;
}

.content .hr {
    width: 50%;
    margin: 20px auto;
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 1);
    height: 1px;
}

.content .discription {
    font-size: 20px;
    margin: 20px;
}

.cover-navigation {
    margin: 30px;
}

nav {
    display: inline-block;
    position: relative;
}

.navigation {
    display: inline-block;
    position: relative;
    margin: 0;
    list-style-type: none;
}

.navigation__item {
    display: inline-block;
    line-height: 1em;
    padding: 1em 0;
}

.navigation__item a {
    position: relative;
    color: #FFF;
    opacity: .8;
    transition: all .3s;
    padding: 10px 20px;
    border: 1px solid #fff;
    border-radius: 20px;
    font-size: .9em;
    font-weight: bold;
    letter-spacing: 1px;
    text-shadow: none;
    -webkit-font-smoothing: antialiased;
    text-decoration: none;
}

.navigation__item a:hover {
    color: #FFF;
    background: #FF7F00;
    border-color: #FF7F00;
    opacity: 1;
    transition: all .3s;
}

ol, ul {
    list-style: none;
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

.icp {
    margin: 20px;
    position: absolute;
    bottom: 0;
    width: 100%;
    text-align: center;
    padding: 10px 0;
    color: #fff;
}

.icpnum {
    color: #fff;
    text-decoration: none;
}

/* 头像容器样式 */
.panel-main {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #fff;
    padding: 20px;
    box-sizing: border-box;
}

.panel-main__inner {
    text-align: center;
}

/* 头像样式 */
.ih-item {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    overflow: hidden;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease-out;
}

.ih-item .img {
    width: 100%;
    height: 100%;
    overflow: hidden;
    backface-visibility: hidden;
    transition: all 0.3s ease-out;
    cursor: pointer;
}

.ih-item .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease-out;
}

.ih-item .info {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    transform: translateX(100%);
    backface-visibility: hidden;
    transition: all 0.3s ease-out;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    padding: 10px;
    box-sizing: border-box;
}

.ih-item .info-back {
    width: 100%;
    text-align: center;
}

.ih-item .info h2 {
    margin: 10px 0 5px;
    font-size: 24px;
}

.ih-item .info p {
    margin: 0;
    font-size: 14px;
    opacity: 0.8;
}

/* 点击效果 */
.ih-item.opened .img {
    transform: translateX(-100%);
}

.ih-item.opened .info {
    transform: translateX(0);
}

/* 额外文本样式 */
.panel-cover__title {
    margin: 20px 0 10px;
    font-size: 28px;
    color: #f20bcb;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.panel-cover__subtitle {
    margin: 0 0 20px;
    font-size: 16px;
    color: #fff;
    opacity: 0.8;
}