html {
    width: 100vw;
    height: 100vh;
}

body {
    font-family: "Microsoft Yahei", "Luxi Sans", "DejaVu Sans", Tahoma, "Hiragino Sans GB", "Helvetica Neue", sans-serif;
    background: #79a8ae;
    color: #CFEBE4;
    font-size: 18px;
    line-height: 2;
    letter-spacing: 1.2px;
    margin: 0;
}

a {
    color: #ebf7f4;
}

.body--ready {
    background: -webkit-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
    background: -moz-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
    background: -o-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
    background: -ms-linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
    background: linear-gradient(top, rgb(203, 235, 219) 0%, rgb(55, 148, 192) 120%);
}

.text {
    position: fixed;
    bottom: 100px;
    text-align: center;
    font-size: 1.875rem;
    width: 100%;
}

.canvas {
    margin: 0 auto;
    display: block;
}

img#logo {
    width: 128px;
    background-size: cover;
    border-radius: 200px;
    box-shadow: 0px 0px 40px rgba(63, 81, 181, 0.72);
    border: 3px solid #00a0ff;
    opacity: 1;
    margin: 0 auto;
    margin-top: 20px;
    margin-bottom: 20px;
    transition: all 1.0s;
}

#logo:hover {
    box-shadow: 0 0 10px #fff;
    -webkit-box-shadow: 0 0 19px #fff;
    transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    /* IE 9 */
    -moz-transform: rotate(360deg);
    /* Firefox */
    -webkit-transform: rotate(360deg);
    /* Safari 和 Chrome */
    -o-transform: rotate(360deg);
    /* Opera */
    filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3);
}

.cs {
    width: 100%;
    height: 100%;
    margin: 0 auto;
    position: absolute;
    text-align: center;
}

.text {
    position: fixed;
    bottom: 80px;
    text-align: center;
    width: 100%;
    font-weight: bold;
}

.project-guide {
    position: absolute;
    width: 180px;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid #6edcff;
    border-radius: 10px;
    padding: 10px;
    color: #e7f8ff;
    font-size: 14px;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s;
    max-height: 300px;
    overflow-y: auto;
}

.project-guide h3 {
    margin: 0 0 8px;
    font-size: 15px;
    color: #d2f4ff;
    border-bottom: 1px solid rgba(222, 243, 255, 0.3);
    padding-bottom: 4px;
}

.project-guide ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.project-guide li {
    margin: 4px 0;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.project-guide li:hover {
    background: rgba(133, 201, 255, 0.25);
}

.project-tooltip {
    position: fixed;
    padding: 6px 10px;
    background: rgba(0, 40, 70, 0.85);
    color: #fff;
    border-radius: 4px;
    font-size: 13px;
    pointer-events: none;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 2100;
}