/* 通用样式 */
html, body {
    height: 100%;
}

body {
    font-family: "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #333;
    background-color: #f5f5f5;
    line-height: 1.5;
}

a {
    color: #337ab7;
    text-decoration: none;
}

a:hover, a:focus {
    color: #23527c;
    text-decoration: underline;
}

/* 布局 */
.container {
    width: 100%;
    max-width: 1200px;
    padding: 0 15px;
    margin: 0 auto;
}

/* 辅助类 */
.text-center {
    text-align: center;
}

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

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

.text-muted {
    color: #777;
}

.text-primary {
    color: #337ab7;
}

.text-success {
    color: #5cb85c;
}

.text-info {
    color: #5bc0de;
}

.text-warning {
    color: #f0ad4e;
}

.text-danger {
    color: #d9534f;
}

.bg-primary {
    background-color: #337ab7;
    color: #fff;
}

.bg-success {
    background-color: #dff0d8;
    color: #3c763d;
}

.bg-info {
    background-color: #d9edf7;
    color: #31708f;
}

.bg-warning {
    background-color: #fcf8e3;
    color: #8a6d3b;
}

.bg-danger {
    background-color: #f2dede;
    color: #a94442;
}

/* 间距 */
.mt-0 { margin-top: 0 !important; }
.mt-5 { margin-top: 5px !important; }
.mt-10 { margin-top: 10px !important; }
.mt-15 { margin-top: 15px !important; }
.mt-20 { margin-top: 20px !important; }
.mt-30 { margin-top: 30px !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-5 { margin-bottom: 5px !important; }
.mb-10 { margin-bottom: 10px !important; }
.mb-15 { margin-bottom: 15px !important; }
.mb-20 { margin-bottom: 20px !important; }
.mb-30 { margin-bottom: 30px !important; }

.ml-0 { margin-left: 0 !important; }
.ml-5 { margin-left: 5px !important; }
.ml-10 { margin-left: 10px !important; }
.ml-15 { margin-left: 15px !important; }
.ml-20 { margin-left: 20px !important; }

.mr-0 { margin-right: 0 !important; }
.mr-5 { margin-right: 5px !important; }
.mr-10 { margin-right: 10px !important; }
.mr-15 { margin-right: 15px !important; }
.mr-20 { margin-right: 20px !important; }

.pt-0 { padding-top: 0 !important; }
.pt-5 { padding-top: 5px !important; }
.pt-10 { padding-top: 10px !important; }
.pt-15 { padding-top: 15px !important; }
.pt-20 { padding-top: 20px !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-5 { padding-bottom: 5px !important; }
.pb-10 { padding-bottom: 10px !important; }
.pb-15 { padding-bottom: 15px !important; }
.pb-20 { padding-bottom: 20px !important; }

.pl-0 { padding-left: 0 !important; }
.pl-5 { padding-left: 5px !important; }
.pl-10 { padding-left: 10px !important; }
.pl-15 { padding-left: 15px !important; }
.pl-20 { padding-left: 20px !important; }

.pr-0 { padding-right: 0 !important; }
.pr-5 { padding-right: 5px !important; }
.pr-10 { padding-right: 10px !important; }
.pr-15 { padding-right: 15px !important; }
.pr-20 { padding-right: 20px !important; }

/* 清除浮动 */
.clearfix:before,
.clearfix:after {
    content: " ";
    display: table;
}

.clearfix:after {
    clear: both;
}

/* 响应式图片 */
.img-responsive {
    display: block;
    max-width: 100%;
    height: auto;
}

/* 圆角图片 */
.img-rounded {
    border-radius: 6px;
}

/* 圆形图片 */
.img-circle {
    border-radius: 50%;
}

/* 缩略图 */
.img-thumbnail {
    padding: 4px;
    line-height: 1.42857143;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    -webkit-transition: all .2s ease-in-out;
    -o-transition: all .2s ease-in-out;
    transition: all .2s ease-in-out;
    display: inline-block;
    max-width: 100%;
    height: auto;
}

/* 表单控件 */
.form-control {
    display: block;
    width: 100%;
    height: 34px;
    padding: 6px 12px;
    font-size: 14px;
    line-height: 1.42857143;
    color: #555;
    background-color: #fff;
    background-image: none;
    border: 1px solid #ccc;
    border-radius: 4px;
    -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
    -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
    -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
    transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
}

.form-control:focus {
    border-color: #66afe9;
    outline: 0;
    -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6);
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6);
}

/* 按钮 */
.btn {
    display: inline-block;
    margin-bottom: 0;
    font-weight: normal;
    text-align: center;
    vertical-align: middle;
    touch-action: manipulation;
    cursor: pointer;
    background-image: none;
    border: 1px solid transparent;
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 14px;
    line-height: 1.42857143;
    border-radius: 4px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.btn:focus,
.btn:active:focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn.active.focus {
    outline: 5px auto -webkit-focus-ring-color;
    outline-offset: -2px;
}

.btn:hover,
.btn:focus,
.btn.focus {
    color: #333;
    text-decoration: none;
}

.btn:active,
.btn.active {
    outline: 0;
    background-image: none;
    -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
}

/* 表格 */
.table {
    width: 100%;
    max-width: 100%;
    margin-bottom: 20px;
    background-color: transparent;
    border-collapse: collapse;
    border-spacing: 0;
}

.table > thead > tr > th,
.table > tbody > tr > th,
.table > tfoot > tr > th,
.table > thead > tr > td,
.table > tbody > tr > td,
.table > tfoot > tr > td {
    padding: 8px;
    line-height: 1.42857143;
    vertical-align: top;
    border-top: 1px solid #ddd;
}

.table > thead > tr > th {
    vertical-align: bottom;
    border-bottom: 2px solid #ddd;
}

.table > caption + thead > tr:first-child > th,
.table > colgroup + thead > tr:first-child > th,
.table > thead:first-child > tr:first-child > th,
.table > caption + thead > tr:first-child > td,
.table > colgroup + thead > tr:first-child > td,
.table > thead:first-child > tr:first-child > td {
    border-top: 0;
}

.table > tbody + tbody {
    border-top: 2px solid #ddd;
}

.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: #f9f9f9;
}

.table-hover > tbody > tr:hover {
    background-color: #f5f5f5;
}

/* 面板 */
.panel {
    margin-bottom: 20px;
    background-color: #fff;
    border: 1px solid transparent;
    border-radius: 4px;
    -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
}

.panel-body {
    padding: 15px;
}

.panel-heading {
    padding: 10px 15px;
    border-bottom: 1px solid transparent;
    border-top-right-radius: 3px;
    border-top-left-radius: 3px;
}

.panel-title {
    margin-top: 0;
    margin-bottom: 0;
    font-size: 16px;
    color: inherit;
}

.panel-default {
    border-color: #ddd;
}

.panel-default > .panel-heading {
    color: #333;
    background-color: #f5f5f5;
    border-color: #ddd;
}