/* 全部基于task_1中页面，未添加任何额外元素。
   基于Chrome for Windows的渲染结果进行了像素级调整，加入了许多繁琐的小像素修正，可能会影响阅读体验。
   task_2的页面与task_1的页面稍有不同，因为任务要求只允许添加CSS，所以页面的差异部分只能用稍稍tricky的办法处理。

   __重申，在以下代码中，你可能会遇到:__
   * 繁琐的小像素调整
   * 充满恶意的各种前后缀content
   * 各种时代的排版倾向

   兼容性：Modern

   By 强迫症晚期的wdhwg001
*/
html{
    background: #fff;
}
body{
    width: 1280px; /* Just for rendering Pixel-Perfect screenshots.*/
    margin: 0;
    background: #dedede;
    font-family: Arial, "Hiragino Sans GB", "Microsoft Yahei", sans-serif;
    height: 100%;
}
header{
    width: 100%;
    height: 60px;
    background: #333;
    display: table;
}
header h1{
    display: none;
}
header:before{
    content: url('logo.png'); /* Self-made logo, maybe not perfect. */
    display: table-cell;
    vertical-align: middle;
    padding-left: 40px;
}
nav{
    float: right;
    height: 100%;
    display: flex;
    align-content: center;
    margin-right: 20px;
}
nav li:before{
    content: '\2022';
    padding-right: 7px;
    color: #000;
    font-weight: bold; /*OCD*/
}
nav li{
    display: inline-block;
    vertical-align: middle;
    font-size: 12px;
    margin-right: 4px;
}
nav li a:link{
    color: #fff;
    text-decoration: none;
}
nav li a:visited{
    color: #969696;
    text-decoration: none;
}
article, aside{
    margin: 20px;
    padding: 20px 20px 18px;
    border: 1px solid #cdcdcd;
    background-color: #fff;
    -webkit-box-shadow: 2px 2px 1px 0 #848484;
    -moz-box-shadow: 2px 2px 1px 0 #848484;
    box-shadow: 2px 2px 1px 0 #848484;
}
article h2{
    font-size: 21px;
    margin: 16px 0;
    letter-spacing: 1px; /*OCD*/
}
article h3{
    font-size: 16px;
    color: #626262;
    margin: 10px 0 7px; /*OCD*/
}
article address{
    margin-bottom: 15px;
}
article address *{
    font: 12px normal;
    color: #626262;
}
article p{
    text-indent: 30px;
    line-height: 25px;
    font-size: 15px;
    margin-top: 10px;
    margin-bottom: 17px;
}
article ul{
    list-style: none;
    margin: 10px 10px 20px;
    padding-left: 10px;
}
article li{
    margin-bottom: 5px;
}
article figure{
    border: 1px #cecece solid;
    width: 100px;
    height: 100px;
    padding: 7px 10px 17px; /*OCD*/
    text-align: center;
    margin-bottom: -5px; /*OCD*/
    margin-top: 20px;
}
article figcaption{
    font-size: 12px;
    margin: 0 0 9px;
}
article figure img{
    width: inherit;
}
article figure:last-child{ /*OCD*/
    margin-bottom: 17px;
}
article:nth-child(5) > span{
    font-size: 15px;
}
article:nth-child(5) > span::after{ /*OCD*/
    content: '，你们不用写html时候不需要加';
}
article table{
    border-collapse: collapse;
    border: 1px #cecece solid;
    width: 100%;
    font-size: 12px;
    margin-bottom: 2px; /*OCD*/
}
article th, article td{ /*OCD*/
    padding: 3px 6px;
}
article th{
    color: #fff;
    background: #333333;
    text-align: left;
    padding-bottom: 4px; /*OCD*/
    letter-spacing: 1px; /*OCD*/
}
article tr:nth-child(2) td{ /*OCD*/
    padding-bottom: 4px;
}
article tr:nth-child(4) td{ /*OCD*/
    padding-bottom: 4px;
}
article tbody tr:last-child{
    background: #cccccc;
    font-weight: bold;
}

aside{
    margin-top: 40px;
    margin-right: 40px;
}
aside h2{
    margin: 0;
    font-size: 16px;
    padding: 11px;
    border-left: 3px #cdcdcd solid;
    letter-spacing: 1px; /*OCD*/
}
aside h3{
    display: none;
}
aside form{
    text-align: right;
    font-size: 12px;
    margin-top: -5px;
}
/* 原本应该是统一对第一层label加inline-block，width,ta:r的。
   但是由于不愿意改task_1的html，所以用了脏一些的实现。 */
form p{
    color: #9b9b9b;
    width: 127px;
    margin: 10px 56% 20px auto;
    white-space: nowrap;
    text-align: left;
}
form label{
    letter-spacing: 1px;
}
form > label{
    margin: 9px 56% 0 0;
    font-size: 12px;
    display: block;
}
form input[placeholder]{
    text-indent: 3px;
    width: 125px;
    font-size: 12px;
}
form label:not([for]), form label[for=city]{
    width: 167px;
    text-align: left;
    margin-left: auto;
    white-space: nowrap;
}
form > label:before{ /* Add returns */
    content: '';
    display: block;
}
form > label[for]:after{ /* A sexy hack to kill the colon */
    content: '\2588';
    color: #fff;
    margin-left: -143px;
    position: absolute;
    margin-top: 4px;
}
form label[for=city]:after{
    margin-left: -65px;
}
form label[for=city] select{
    margin-left: -3px;
}
form label label:first-of-type:before{ /* Another sexy hack to kill the colon */
    content: '\2588';
    color: #fff;
    margin-left: -32px;
    display: inline-block;
    width: 32px;
    text-align: left;
}
form label *:first-child{
    margin-left: -4px;
}
form textarea{
    vertical-align: text-top;
    height: 95px;
    width: 735px;
}
form label[for=introduction]{
    width: 192px;
    display: inline-block;
    white-space: nowrap;
}
form label[for=introduction]:before{ /* Hack to kill the colon */
    content: '\2588';
    color: #fff;
    margin-top: 0;
    margin-left: 52px;
    display: inline-block;
    position: absolute;
}
form label[for=introduction]:after{
    content: '';
}
form input[type=submit]{
    display: block;
    margin-top: 10px;
    width: 100%;
    height: 40px;
    border: 1px #c4cccf solid;
    background: #3355d0;
    border-radius: 8px;
    font-size: 16px;
    color: #fff;
    font-family: inherit;
    letter-spacing: 1px; /*OCD*/
}
form input[type=submit]:hover{
    background: #375fff;
}
form input[type=submit]:active{
    background: #2d519e;
}
body:after{
    content: '版权所有\00A9';
    text-align: center;
    display: block;
    font-size: 12px;
    color: #fff;
    background: #000;
    height: 50px;
    padding-top: 20px;
}