html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
}

body, html {
    height: 100%;
    box-sizing: border-box;
}

body {
    margin: 0;
    color: #7c8891;
    font: 16px/22px -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, 
        "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    background: #ebedee;
    padding: 50px;
}

a {
    background-color: transparent;
    text-decoration: none;
}

img {
    border-style: none;
    max-width: 100%;
    height: auto;
}

h1 {
    margin: 10px 0;
    line-height: 30px;
    font-size: 24px;
}

.wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 100%;
}

.container {
    opacity: 0;
    transition: opacity 1s, transform 1s;
    transform: translateY(-40px);
    position: relative;
    box-sizing: border-box;
    width: 80%;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    max-width: 700px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.container > section {
    box-sizing: border-box;
    padding: 55px 34px;
}

/* 个人资料区域 */
.profile {
    position: absolute;
    text-align: center;
    width: 31.2%;
    color: #fff;
    background: rgba(0, 0, 0, 0.6) url(../imgs/wallpaper.png) no-repeat top;
    background-size: cover;
    text-shadow: 0 2px 2px rgba(0, 0, 0, 0.6);
    height: 100%;
}

.profile .meta {
    position: relative;
    z-index: 1;
}

.profile .overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100%; height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.3));
}

.profile .avatar {
    width: 50%;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.profile .position {
    font-size: 13px;
}

/* 作品集区域 */
.portfolio {
    margin-left: 31.2%;
    padding: 50px;
}

.portfolio p {
    margin-top: 0;
    line-height: 28px;
}

.portfolio a {
    color: #0070ff;
}

/* 提示工具和社交链接 */
.tooltip {
    position: relative;
}

.tooltip:focus::after,
.tooltip:hover::after {
    opacity: 1;
    transform: translate(-50%, -0.2rem);
}

.tooltip::after {
    background: rgba(48, 55, 66, 0.6);
    border-radius: 4px;
    color: #fafafa;
    content: attr(title);
    display: block;
    font-size: 14px;
    max-width: 300px;
    opacity: 0;
    overflow: hidden;
    padding: 3px 6px;
    pointer-events: none;
    position: absolute;
    left: 50%;
    top: 100%;
    white-space: pre;
    z-index: 300;
    transform: translate(-50%, 0.4rem);
    transition: opacity 0.2s, transform 0.2s;
}

.social {
    padding-top: 20px;
    text-align: center;
}

.social i {
    margin: 0 10px;
}

.social a {
    color: #7c8891;
    transition: color .25s;
}
.social a:hover,
.social a:focus {
    color: #0070ff;
}

/* 页脚 */
.footer {
    transition: opacity 1s, transform 1s;
    transform: translateY(40px);
    color: #bfc4c7;
    padding: 20px 0;
    opacity: 0;
    font-size: 14px;
    text-align: center;
}

.footer i {
    margin: 0 6px;
    vertical-align: middle;
}

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

.label {
    display: inline-block;
    color: #fbfbfb;
    font-size: 13px;
    padding: 4px 8px;
    border-radius: 3px;
    background: #c5d1d3;
    margin: 0 6px;
}

.fadeIn {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

@media (min-width: 671px) {
    .profile {
        height: 100%;
    }
}

@media (max-width: 768px) {
    body {
        padding: 30px;
    }
    .container {
        width: 100%;
        min-width: 290px;
    }
}

@media (max-width: 670px) {
    .profile {
        position: relative;
        width: 100%;
        background-size: cover;
        height: auto;
    }
    .profile h1 {
        font-size: 20px;
        margin-bottom: 5px;
    }
    .avatar {
        width: 80px !important;
    }
    .portfolio {
        margin: 0;
    }
}

@media (max-width: 420px) {
    body {
        padding: 10px;
    }
    .container > section {
        padding: 40px 24.7px !important;
    }
}