* {
    margin: 0;
    padding: 0
}

ul li {
    list-style: none
}

a {
    text-decoration: none;
    color: #666;
    font-size: 20px
}

#canvas_bg {
    height: 100%;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0
}

body {
    position: relative;
}

.content {
    width: 80%;
    min-width: 720px;
    max-width: 1024px;
    position: relative;
    margin: 0 auto;
    z-index: 1;
    background-color: rgba(255, 255, 255, 0.8);
}


/* 导航 */

.header {
    width: 80%;
    min-width: 720px;
    max-width: 1024px;
    background-color: rgba(255, 255, 255, 0.9);
    border-bottom: 2px solid #3396e3;
    font-size: 20px;
    box-shadow: 0px 2px 12px #ccc;
    position: fixed;
    top: 0;
    z-index: 9999
}

.header ul {
    overflow: hidden;
    padding: 0px 15px;
}

.header li {
    padding: 10px;
    float: right;
}

.header li a {
    display: inline-block;
    padding: 5px;
    transition: all 0.6s ease-in;
    border: 1px solid transparent;
}

.header li.active a {
    color: #fff;
    background-color: #3396e3;
}


/* 导航border动画 */

.c-btn {
    text-decoration: none;
    position: relative;
    display: inline-block;
    height: 100%;
}

.c-btn:after {
    content: '';
    display: block;
    position: absolute;
}

.c-btn:before {
    content: '';
    display: block;
    position: absolute;
}

.c-btn--border-line {
    background: none;
    box-sizing: border-box;
    box-shadow: inset 0 0 0 0px transparent;
}

.c-btn--border-line:after,
.c-btn--border-line:before {
    box-sizing: border-box;
    border: 1px solid transparent;
    width: 0;
    height: 0;
}

.c-btn--border-line:after {
    top: 0;
    left: 0;
    transition: border-color 0s ease-in 0.8s, width 0.2s ease-in 0.6s, height 0.2s ease-in 0.4s;
}

.c-btn--border-line:before {
    bottom: 0;
    right: 0;
    transition: border-color 0s ease-in 0.4s, width 0.2s ease-in 0.2s, height 0.2s ease-in;
}

.c-btn--border-line:hover:after,
.c-btn--border-line:hover:before {
    width: 100%;
    height: 100%;
}

.c-btn--border-line:hover:after {
    border-top-color: #3396e3;
    border-right-color: #3396e3;
    transition: width 0.2s ease-out, height 0.2s ease-out 0.2s;
}

.c-btn--border-line:hover:before {
    border-bottom-color: #3396e3;
    border-left-color: #3396e3;
    transition: border-color 0s ease-out 0.4s, width 0.2s ease-out 0.4s, height 0.2s ease-out 0.6s;
}


/* 介绍 */

.introduce {
    padding: 108px 30px 50px;
    border-bottom: 1px solid #ccc;
    box-shadow: 0px 2px 12px #ececec;
    /* background-color: rgba(255, 255, 255, 0.4); */
    background-color: rgba(170, 170, 170, 0.4);
    display: flex;
}

.intro-img {
    flex: 1;
}

.intro-img img {
    width: 100%;
    border-radius: 50%;
    box-shadow: 0px 0px 20px #aaa;
}

.intro-text {
    font-size:23px;
    flex: 3;
    text-align: left;
    padding: 0 6%;
    color: #222;
}

.star-bright {
    margin-top: 40px;
    margin-bottom: 30px;
    padding: 0;
    max-width: 512px;
    border: 0;
    /* border-top: 5px solid #bfbfbf; */
    border-top: 5px solid #888;
    display: inline-block;
    width: 100%;
}

.items,
.contact_me {
    padding: 40px 0;
    text-align: center;
    border-bottom: 1px solid #ccc;
    box-shadow: 0px 2px 12px #ececec
}

.items h3,
.contact_me h3 {
    color: #888;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    font-size: 30px;
}

.items ul {
    width: 90%;
    margin: 20px auto 0;
    overflow: hidden;
}

.items ul li {
    width: 48%;
    margin: 2% 1% 2% 1%;
    float: left;
    position: relative;
}

.items ul li img {
    width: 100%;
}

.items li a {
    width: 100%;
    display: inline-block;
}

figcaption {
    position: absolute;
    width: 80%;
    height: 80%;
    padding: 10%;
    text-align: left;
    top: 0;
    left: 0;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.2)
}

.items li h4 {
    font-size: 18px;
    line-height: 30px;
}

.items li:hover figcaption {
    background-color: rgba(0, 0, 0, 0.5);
}

figcaption div {
    width: 92%;
    color: #666;
    margin-top: 2rem;
    font-size: 16px;
    line-height: 2rem;
    position: relative;
    z-index: 2;
    opacity: 0;
    padding-left: 4%;
}

figcaption div h5 {
    font-size: 18px;
    font-weight: 400
}


/* 动画 */

.items li:hover h4 {
    border-bottom-color: transparent;
}

.items li:hover figcaption div {
    opacity: 1
}

.items li:hover figcaption:before {
    -webkit-transform: translate3d(0, 6rem, 0) scale3d(1, 1, 1);
    transform: translate3d(0, 6rem, 0) scale3d(1, 1, 1);
    opacity: 0.8
}

figcaption::before {
    position: absolute;
    top: 0;
    right: 10%;
    left: 10%;
    height: 6rem;
    background: #fff;
    content: '';
    -webkit-transition: opacity 0.35s, -webkit-transform 0.35s;
    transition: opacity 0.35s, transform 0.35s;
    -webkit-transform: translate3d(0, 4em, 0) scale3d(1, 0.023, 1);
    transform: translate3d(0, 4em, 0) scale3d(1, 0.023, 1);
    -webkit-transform-origin: 50% 0;
    transform-origin: 50% 0;
}

.contact_me-email,
.contact_me-emaila {
    color: #333;
    font-size: 18px;
    padding-bottom: 60px;
}

.contact_me-email a:hover {
    color: #3396e3;
    text-decoration: underline;
}


/* 用户 */

.user_identity{
    margin-bottom: 20px;
}

.user_name{
    display: inline;
    font-size:23px;
    width: 40%;

}
.user_level{
    padding: 0.5%;
    display: inline;
    width: 10%;
    height: 20px;
    border-radius: 3px;
    background: #f17c46;
    font-weight: lighter;
    font-size:15px;
    color: rgb(252, 247, 240);

    
}