body,
html {
    width: 100%;
    height: 100%;
    min-height: 43em;
    display: flex;
    align-items: center;
    font: "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
}

body,
html::after {
    background: linear-gradient(140deg, #fff, #2ba3ff, #8297ff, #be85f3, #ec70d7, #ff5dae, #ff567f, #ff624d, #ff7905, #000);
    background-size: 400% 400%;
    animation: gradientAnimation 20s ease infinite;
}

main {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    position: absolute;
    margin-left: -5px;

}

.content {
    display: flex;
    width: 770px;
    height: 500px;
    border-radius: 7px;
    opacity: 1;
    overflow: auto;
    background: rgba(240, 225, 225, 0.767);
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.3);
    z-index: 1;
    flex-direction: column;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    padding: 1em;
    position: relative;
}


.nav {
    border-radius: 7px;
    display: flex;
    flex-wrap: wrap;
    width: 117px;
    height: 117px;
    background: rgba(10, 24, 37, 0);
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.233);
    backdrop-filter: blur(20px);
    padding: 6px 3px 3px 3px;
    position: absolute;
    top: -45px;
    right: -44px;
    z-index: 0;
    transition: all 0.3s ease;
}

.nav:hover {
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.nav:hover~.content {
    backdrop-filter: blur(20px);
    opacity: 0.65;
}

.nav-button {
    border-radius: 7px;
    display: flex;
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.411);
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.171);
    margin-left: 3px;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background: rgba(255, 255, 255, 0.705);
    transition: all 0.3s ease;
}

.nav-button svg {
    color: #000;
}

.button-item {
    padding: 10px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 7px;
    backdrop-filter: blur(10px);
    margin: 10px 0 0;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: #000000;
    transition: all 0.3s ease;
}


.button-item:hover {
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.3);
}

.about-content {
    display: flex;
    margin: 0;
}

.button-about {
    height: 25px;
    width: 25px;
    padding: 10px;
    border-radius: 100%;
    background: rgba(255, 255, 255, 0.4);
    margin: 0 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: #000000;
    transition: all 0.3s ease;
}

#about h4 {
    margin: 5px 0 3px 0;
}

.button-about:hover {
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.3);
}

#rss-feed {
    display: grid;
}

footer {
    border-radius: 7px;
    height: 50px;
    padding: 0 15px;
    margin: 10px;
    display: flex;
    background: rgba(255, 255, 255, 0.137);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0, 0, 0, .2);
    margin-top: auto;
    transition: all 0.3s ease;
}

footer a {
    color: #000;
    text-decoration: none;
    margin: auto;
}

h2 {
    margin: 20px 0 0px;
}

p {
    margin: 0;
}

/** 版权所有：cayteam **/

@keyframes gradientAnimation {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 50% 100%;
    }

}

@media only screen and (max-width: 920px) {

    .content {
        width: 250px;

    }

}

/* 设置目标 a 的初始样式 */
#dynamic-link {
    text-decoration: none;
    /* 默认渐变 */
    transition: opacity 0.5s ease;
    /* 渐变动画 */
}