@charset "UTF-8";
/* 0 - 全局
-------------------------------- */
html,
body,
dl,
dt,
dd,
ol,
ul,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
p,
fieldset,
legend,
figure {
    margin: 0;
    padding: 0;
}

body {
    color: #353535;
    font: 16px/1.5 'Microsoft Yahei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
}

@media screen and (max-width: 500px) {
    html[resize] body {
        font-size: 14px;
    }
}

@media screen and (min-width: 1930px) {
    html[resize] body {
        font-size: 18px;
    }
}

*,
*:before,
*:after {
    box-sizing: border-box;
}

/* - 部分老式浏览器的更正 */
article,
aside,
header,
footer,
nav,
section,
main {
    display: block;
}

/* - 选择内容 */
::-moz-selection {
    color: #fff;
    background-color: rgba(0, 0, 0, .66);
}

::selection {
    color: #fff;
    background-color: rgba(0, 0, 0, .66);
}

/* - 滚动条 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 5px;
}

::-webkit-scrollbar-track:hover {
    border-radius: 5px;
    background: rgba(0, 0, 0, .05);
}

body::-webkit-scrollbar-thumb {
    box-shadow: inset 1px 1px 0 rgba(0, 0, 0, .1), inset 0 -1px 0 rgba(0, 0, 0, .07);
}

body::-webkit-scrollbar-track:hover {
    border-radius: 0;
    box-shadow: inset 1px 0 0 rgba(0, 0, 0, .1);
}

.bk-scroll-hover::-webkit-scrollbar {
    display: none;
}

.bk-scroll-hover:hover::-webkit-scrollbar {
    display: inherit;
}

/* 1 - 容器
-------------------------------- */
.wrap {
    margin-left: auto;
    margin-right: auto;
    max-width: 1200px;
    padding: 0 1.25em;
    box-sizing: content-box;
}

.wrap.min {
    max-width: 800px;
}

.wrap.mid {
    max-width: 1000px;
}

.wrap.max {
    max-width: 1600px;
}

.wrap.full {
    max-width: 100%;
}

.wrap.thin {
    padding: 0 .75em;
}

.wrap.thick {
    padding: 0 1.5em;
}

.wrap.clear {
    padding-left: 0;
    padding-right: 0;
}

.clearfix:after {
    content: '';
    clear: both;
    display: block;
}

.overflow {
    overflow: auto;
}

/* 2 - 元素
-------------------------------- */
h1 {
    font-size: 2em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: 1rem;
}

h1:last-child,
h2:last-child,
h3:last-child,
h4:last-child,
h5:last-child,
h6:last-child,
p:last-child {
    margin-bottom: 0;
}

p {
    line-height: 1.8em;
    margin-bottom: 1em;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    color: #ffc670;
}

abbr[title] {
    cursor: help;
    text-decoration: none;
    border-bottom: 1px dotted;
}

em,
mark,
kbd {
    padding: 0 .5em;
    border-radius: .5em;
    display: inline-block;
}

em {
    color: #fff;
    font-style: normal;
    background: #3498db;
}

kbd {
    color: #fff;
    font-size: 90%;
    background: #333;
    font-family: 'Consolas', 'Courier New', monospace, "微软雅黑";
}

audio {
    vertical-align: middle;
}

img,
svg,
video {
    height: auto;
    max-width: 100%;
    vertical-align: middle;
}

/* - 文章 */
article {
    word-break: break-all;
}

article>* {
    margin-bottom: 1em;
}

article>*:last-child {
    margin-bottom: 0;
}

article h1,
article h2,
article h3 {
    font-size: 1.2em;
}

article h4,
article h5,
article h6 {
    font-size: 1.1em;
    font-weight: bold;
}

/* - 按钮 */
.btn {
    outline: 0;
    font: inherit;
    color: inherit;
    cursor: pointer;
    background: #eee;
    user-select: none;
    border-radius: 4px;
    padding: .8em 1.5em;
    display: inline-block;
    border: 1px solid transparent;
}

.btn:hover {
    color: inherit;
}

.btn:active {
    background: #ddd;
}

/* -- 禁用的按钮 */
.btn[disabled] {
    opacity: .5;
    cursor: not-allowed;
}

/* -- 有图标的按钮 */
.btn i {
    margin-right: 5px;
}

/* -- 按钮尺寸 */
.btn.small {
    padding: .5em 1em;
}

.btn.large {
    font-size: 1.2em;
    padding: 1em 2.5em;
}

/* -- 按钮颜色 */
.btn.red,
.btn.yellow,
.btn.blue,
.btn.green {
    color: #fff;
}

.btn.red:hover,
.btn.yellow:hover,
.btn.blue:hover,
.btn.green:hover {
    color: #fff;
}

.btn.red {
    background: #c40b00;
}

.btn.yellow {
    background: #ffb03a;
}

.btn.blue {
    background: #3498db;
}

.btn.green {
    background: #27a17e;
}

.btn.red:active {
    background: #b00000;
}

.btn.yellow:active {
    background: #eb9c26;
}

.btn.blue:active {
    background: #2084c7;
}

.btn.green:active {
    background: #138d6a;
}

/* - 代码 */
pre,
code {
    font-size: 1em;
    font-family: 'Consolas', 'Courier New', monospace, "微软雅黑";
}

pre {
    word-wrap: normal;
}

code {
    color: #c40b00;
    font-size: 90%;
    word-wrap: normal;
    border-radius: 4px;
    padding: .25em .5em;
    word-break: break-all;
    background-color: #f7f2f4;
}

pre>code {
    color: #fff;
    padding: 1em;
    display: block;
    overflow-x: auto;
    word-break: normal;
    font-size: inherit;
    border-radius: 5px;
    background-color: #333;
}

/* - 项目列表 */
ul,
ol {
    margin-left: 1.25em;
}

ul.clear {
    margin-left: 0;
    list-style: none;
}

dl dd {
    margin-left: 1.5em;
}

dl dd:before {
    content: "--";
    margin-right: .25em;
}

/* - 补间动画 */
a,
.btn {
    transition: color 0.3s, background 0.3s;
    -o-transition: color 0.3s, background 0.3s;
    -moz-transition: color 0.3s, background 0.3s;
    -webkit-transition: color 0.3s, background 0.3s;
}

/* - 引用*/
blockquote {
    margin: 0 0 1em;
    font-style: oblique;
    background: #f5fafd;
    padding: 1em 1em 1em 2em;
    border-left: 5px #3498db solid;
}

cite {
    color: #3498db;
    font-style: normal;
}

/* - 分割线 */
hr {
    border: 0;
    margin: 1.5em 0;
    border-top: 1px rgba(0, 0, 0, 0.5) solid;
}

hr.light {
    border-top: 1px rgba(255, 255, 255, 0.5) solid;
}

/* - 表单 */
input[disabled] {
    cursor: no-drop;
}

input[readonly] {
    background: rgb(235, 235, 228);
}

input,
textarea,
select {
    outline: none;
    font: inherit;
    background: none;
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="number"],
input[type="search"],
textarea,
select {
    padding: .5em;
    color: inherit;
    border-radius: 4px;
    border: #ccc 1px solid;
}

input[type="number"]:out-of-range {
    background: rgba(255, 0, 0, .3);
}

textarea {
    display: block;
    overflow: auto;
    max-width: 100%;
    resize: vertical;
}

progress {
    overflow: auto;
    border-radius: 50px;
}

progress::-webkit-progress-bar {
    background-color: #eee;
}

/* - 缤奇表单模组 */
.bk-form label {
    display: block;
    cursor: pointer;
    user-select: none;
}

.bk-form label:last-child {
    margin-bottom: 0;
}

.bk-form label input {
    display: inline-block;
}

.bk-form label.submit>input[type="text"] {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.bk-form label.submit>input[type="text"]+button {
    vertical-align: middle;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.bk-form input {
    display: block;
    vertical-align: middle;
}

.bk-form textarea {
    min-width: 100%;
}

/* -- 单选多选框 */
.bk-form input[type="checkbox"],
.bk-form input[type="radio"] {
    float: left;
    width: 1.5em;
    height: 1.5em;
    cursor: pointer;
    position: relative;
    margin: 0 .5em 0 0;
    -moz-appearance: none;
    -webkit-appearance: none;
}

.bk-form input[type="checkbox"]:before,
.bk-form input[type="radio"]:before {
    content: '';
    width: 100%;
    height: 100%;
    display: block;
    border-radius: .2em;
    border: 0 solid #3498db;
    box-shadow: 0 0 0 1px #ccc inset;
    transition: border 0.3s, background 0.3s, box-shadow 0.3s;
}

.bk-form input[type="checkbox"]:after {
    top: 10%;
    left: 10%;
    width: 30%;
    height: 60%;
    content: '';
    position: absolute;
    transition: transform .3s;
    transform-origin: 100% 100%;
    border-right: .15em solid #fff;
    border-bottom: .15em solid #fff;
    transform: rotate(45deg) scale(0);
}

.bk-form input[type="radio"]:before {
    border-radius: 100%;
}

.bk-form input[type="checkbox"]:checked:before {
    box-shadow: none;
    background: #3498db;
}

.bk-form input[type="checkbox"]:checked:after {
    transform: rotate(45deg) scale(1);
}

.bk-form input[type="radio"]:checked:before {
    background: #3498db;
    border: 2px solid #3498db;
    box-shadow: 0 0 0 .2em #fff inset;
}

/* -- 开关按钮 */
.bk-form input.switch {
    width: 4em;
    height: 2em;
    float: none;
    cursor: pointer;
    background: #eee;
    position: relative;
    border-radius: 50px;
    border: 1px solid #ddd;
    box-sizing: content-box;
    transition: border .3s, background .3s;
}

.bk-form input.switch:before {
    margin: 0;
    border: 0;
    width: 2em;
    height: 2em;
    content: '';
    display: block;
    box-shadow: none;
    background: #fff;
    position: absolute;
    border-radius: 100%;
    transition: transform 0.3s;
}

.bk-form input.switch:after {
    content: normal;
}

.bk-form input.switch:checked {
    box-shadow: none;
    background: #3498db;
    border-color: #3498db;
}

.bk-form input.switch:checked:before {
    background: #fff;
    transform: translateX(2em);
}

/* - 表单小组 */
.bk-form fieldset {
    border: none;
    cursor: default;
    margin-bottom: 2em;
}

.bk-form fieldset:last-child {
    margin-bottom: 0;
}

.bk-form fieldset>* {
    margin-bottom: 1em;
}

.bk-form fieldset>*:last-child {
    margin-bottom: 0;
}

/* -- 单行表单 */
.bk-form.inline fieldset label,
.bk-form fieldset.inline label {
    float: left;
    display: block;
    margin: 0 1em .5em 0;
}

.bk-form fieldset.inline:after {
    content: '';
    clear: both;
    display: block;
}

/* - 表格*/
.bk-table {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    border-radius: 5px;
}

table {
    border: 0;
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: .75em;
    text-align: left;
    vertical-align: top;
}

table>thead>tr {
    border-bottom: 2px solid #ccc;
}

table>tbody>tr>td {
    border-bottom: 1px solid #ddd;
}

table>tbody>tr:last-child>td {
    border-bottom: 0;
}

table>tbody>tr {
    transition: background .3s;
}

table>tbody>tr:hover {
    background: #eee;
}

table>thead>tr>th,
table>tbody>tr>th,
table>tfoot>tr>th,
table>thead>tr>td,
table>tbody>tr>td,
table>tfoot>tr>td {
    white-space: nowrap;
}

/* - 蓝色风格 */
table.fill {
    border: 1px solid transparent;
}

table.fill>thead {
    background: #3498db;
    border-left: 1px solid #3498db;
    border-right: 1px solid #3498db;
}

table.fill>thead>tr {
    border-bottom: none;
}

table.fill>thead>tr>th,
table.fill>thead>tr>td {
    color: #fff;
    padding: 1em .75em;
}

table.fill>tbody {
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}

table.fill>tbody>tr:nth-child(2n)>th,
table.fill>tbody>tr:nth-child(2n) {
    background: #f7f7f7;
}

/* - 嵌入式网页 */
iframe {
    border: none;
}

/* - 栅格系统 */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -1.25em;
    margin-right: -1.25em;
}

.row.thin {
    margin-left: -1em;
    margin-right: -1em;
}

.row.full {
    margin-left: 0;
    margin-right: 0;
}

.row.scrollable {
    overflow: auto;
    margin-left: 0;
    margin-right: 0;
    flex-wrap: nowrap;
}

/* -- 对齐方式 */
.row.right {
    justify-content: flex-end;
}

.row.center {
    justify-content: center;
}

.row.around {
    justify-content: space-around;
}

.row.between {
    justify-content: space-between;
}

/* -- 网格间距 */
.row [class*="col-"] {
    position: relative;
    padding-left: 1.25em;
    padding-right: 1.25em;
}

.row.thin [class*="col-"] {
    padding-left: 1em;
    padding-right: 1em;
}

.row.full [class*="col-"] {
    padding: 0;
    margin-bottom: 0;
}

/* -- 网格主体 */
.row [class*="col-s-"],
.row [class*="col-m-"],
.row [class*="col-l-"] {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: 2em;
}

.row [class*="col-s-"]:last-child,
.row [class*="col-m-"]:last-child,
.row [class*="col-l-"]:last-child {
    margin-bottom: 0;
}

@media screen and (min-width: 600px) {
    .row [class*="col-s-"] {
        margin-bottom: 0;
    }
}

@media screen and (min-width: 900px) {
    .row [class*="col-m-"] {
        margin-bottom: 0;
    }
}

@media screen and (min-width: 1024px) {
    .row [class*="col-l-"] {
        margin-bottom: 0;
    }
}

@media screen and (min-width: 600px) {
    .col-s-left-1 {
        right: 8.3333%;
    }

    .col-s-left-2 {
        right: 16.6666%;
    }

    .col-s-left-3 {
        right: 25%;
    }

    .col-s-left-4 {
        right: 33.3333%;
    }

    .col-s-left-5 {
        right: 41.6666%;
    }

    .col-s-left-6 {
        right: 50%;
    }

    .col-s-left-7 {
        right: 58.3333%;
    }

    .col-s-left-8 {
        right: 66.6666%;
    }

    .col-s-left-9 {
        right: 75%;
    }

    .col-s-left-10 {
        right: 83.3333%;
    }

    .col-s-left-11 {
        right: 91.6666%;
    }

    .col-s-left-12 {
        right: 100%;
    }

    .col-s-right-1 {
        left: 8.3333%;
    }

    .col-s-right-2 {
        left: 16.6666%;
    }

    .col-s-right-3 {
        left: 25%;
    }

    .col-s-right-4 {
        left: 33.3333%;
    }

    .col-s-right-5 {
        left: 41.6666%;
    }

    .col-s-right-6 {
        left: 50%;
    }

    .col-s-right-7 {
        left: 58.3333%;
    }

    .col-s-right-8 {
        left: 66.6666%;
    }

    .col-s-right-9 {
        left: 75%;
    }

    .col-s-right-10 {
        left: 83.3333%;
    }

    .col-s-right-11 {
        left: 91.6666%;
    }

    .col-s-right-12 {
        left: 100%;
    }
}

@media screen and (min-width: 900px) {
    .col-m-left-1 {
        right: 8.3333%;
    }

    .col-m-left-2 {
        right: 16.6666%;
    }

    .col-m-left-3 {
        right: 25%;
    }

    .col-m-left-4 {
        right: 33.3333%;
    }

    .col-m-left-5 {
        right: 41.6666%;
    }

    .col-m-left-6 {
        right: 50%;
    }

    .col-m-left-7 {
        right: 58.3333%;
    }

    .col-m-left-8 {
        right: 66.6666%;
    }

    .col-m-left-9 {
        right: 75%;
    }

    .col-m-left-10 {
        right: 83.3333%;
    }

    .col-m-left-11 {
        right: 91.6666%;
    }

    .col-m-left-12 {
        right: 100%;
    }

    .col-m-right-1 {
        left: 8.3333%;
    }

    .col-m-right-2 {
        left: 16.6666%;
    }

    .col-m-right-3 {
        left: 25%;
    }

    .col-m-right-4 {
        left: 33.3333%;
    }

    .col-m-right-5 {
        left: 41.6666%;
    }

    .col-m-right-6 {
        left: 50%;
    }

    .col-m-right-7 {
        left: 58.3333%;
    }

    .col-m-right-8 {
        left: 66.6666%;
    }

    .col-m-right-9 {
        left: 75%;
    }

    .col-m-right-10 {
        left: 83.3333%;
    }

    .col-m-right-11 {
        left: 91.6666%;
    }

    .col-m-right-12 {
        left: 100%;
    }
}

@media screen and (min-width: 900px) {
    .col-l-left-1 {
        right: 8.3333%;
    }

    .col-l-left-2 {
        right: 16.6666%;
    }

    .col-l-left-3 {
        right: 25%;
    }

    .col-l-left-4 {
        right: 33.3333%;
    }

    .col-l-left-5 {
        right: 41.6666%;
    }

    .col-l-left-6 {
        right: 50%;
    }

    .col-l-left-7 {
        right: 58.3333%;
    }

    .col-l-left-8 {
        right: 66.6666%;
    }

    .col-l-left-9 {
        right: 75%;
    }

    .col-l-left-10 {
        right: 83.3333%;
    }

    .col-l-left-11 {
        right: 91.6666%;
    }

    .col-l-left-12 {
        right: 100%;
    }

    .col-l-right-1 {
        left: 8.3333%;
    }

    .col-l-right-2 {
        left: 16.6666%;
    }

    .col-l-right-3 {
        left: 25%;
    }

    .col-l-right-4 {
        left: 33.3333%;
    }

    .col-l-right-5 {
        left: 41.6666%;
    }

    .col-l-right-6 {
        left: 50%;
    }

    .col-l-right-7 {
        left: 58.3333%;
    }

    .col-l-right-8 {
        left: 66.6666%;
    }

    .col-l-right-9 {
        left: 75%;
    }

    .col-l-right-10 {
        left: 83.3333%;
    }

    .col-l-right-11 {
        left: 91.6666%;
    }

    .col-l-right-12 {
        left: 100%;
    }
}

/* --- 固定的 */
.row .col-1 {
    -ms-flex: 0 0 8.3333%;
    flex: 0 0 8.3333%;
    max-width: 8.3333%;
}

.row .col-2 {
    -ms-flex: 0 0 16.6666%;
    flex: 0 0 16.6666%;
    max-width: 16.6666%;
}

.row .col-3 {
    -ms-flex: 0 0 25%;
    flex: 0 0 25%;
    max-width: 25%;
}

.row .col-4 {
    -ms-flex: 0 0 33.3333%;
    flex: 0 0 33.3333%;
    max-width: 33.3333%;
}

.row .col-5 {
    -ms-flex: 0 0 41.3333%;
    flex: 0 0 41.6666%;
    max-width: 41.6666%;
}

.row .col-6 {
    -ms-flex: 0 0 50%;
    flex: 0 0 50%;
    max-width: 50%;
}

.row .col-7 {
    -ms-flex: 0 0 58.3333%;
    flex: 0 0 58.3333%;
    max-width: 58.3333%;
}

.row .col-8 {
    -ms-flex: 0 0 66.6666%;
    flex: 0 0 66.6666%;
    max-width: 66.6666%;
}

.row .col-9 {
    -ms-flex: 0 0 75%;
    flex: 0 0 75%;
    max-width: 75%;
}

.row .col-10 {
    -ms-flex: 0 0 83.3333%;
    flex: 0 0 83.3333%;
    max-width: 83.3333%;
}

.row .col-11 {
    -ms-flex: 0 0 91.6666%;
    flex: 0 0 91.6666%;
    max-width: 91.6666%;
}

.row .col-12 {
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
}

/* --- 手机 */
@media screen and (min-width: 600px) {
    .row .col-s-1 {
        -ms-flex: 0 0 8.3333%;
        flex: 0 0 8.3333%;
        max-width: 8.3333%;
    }

    .row .col-s-2 {
        -ms-flex: 0 0 16.6666%;
        flex: 0 0 16.6666%;
        max-width: 16.6666%;
    }

    .row .col-s-3 {
        -ms-flex: 0 0 25%;
        flex: 0 0 25%;
        max-width: 25%;
    }

    .row .col-s-4 {
        -ms-flex: 0 0 33.3333%;
        flex: 0 0 33.3333%;
        max-width: 33.3333%;
    }

    .row .col-s-5 {
        -ms-flex: 0 0 41.3333%;
        flex: 0 0 41.6666%;
        max-width: 41.6666%;
    }

    .row .col-s-6 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }

    .row .col-s-7 {
        -ms-flex: 0 0 58.3333%;
        flex: 0 0 58.3333%;
        max-width: 58.3333%;
    }

    .row .col-s-8 {
        -ms-flex: 0 0 66.6666%;
        flex: 0 0 66.6666%;
        max-width: 66.6666%;
    }

    .row .col-s-9 {
        -ms-flex: 0 0 75%;
        flex: 0 0 75%;
        max-width: 75%;
    }

    .row .col-s-10 {
        -ms-flex: 0 0 83.3333%;
        flex: 0 0 83.3333%;
        max-width: 83.3333%;
    }

    .row .col-s-11 {
        -ms-flex: 0 0 91.6666%;
        flex: 0 0 91.6666%;
        max-width: 91.6666%;
    }

    .row .col-s-12 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* --- 平板 */
@media screen and (min-width: 900px) {
    .row .col-m-1 {
        -ms-flex: 0 0 8.3333%;
        flex: 0 0 8.3333%;
        max-width: 8.3333%;
    }

    .row .col-m-2 {
        -ms-flex: 0 0 16.6666%;
        flex: 0 0 16.6666%;
        max-width: 16.6666%;
    }

    .row .col-m-3 {
        -ms-flex: 0 0 25%;
        flex: 0 0 25%;
        max-width: 25%;
    }

    .row .col-m-4 {
        -ms-flex: 0 0 33.3333%;
        flex: 0 0 33.3333%;
        max-width: 33.3333%;
    }

    .row .col-m-5 {
        -ms-flex: 0 0 41.3333%;
        flex: 0 0 41.6666%;
        max-width: 41.6666%;
    }

    .row .col-m-6 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }

    .row .col-m-7 {
        -ms-flex: 0 0 58.3333%;
        flex: 0 0 58.3333%;
        max-width: 58.3333%;
    }

    .row .col-m-8 {
        -ms-flex: 0 0 66.6666%;
        flex: 0 0 66.6666%;
        max-width: 66.6666%;
    }

    .row .col-m-9 {
        -ms-flex: 0 0 75%;
        flex: 0 0 75%;
        max-width: 75%;
    }

    .row .col-m-10 {
        -ms-flex: 0 0 83.3333%;
        flex: 0 0 83.3333%;
        max-width: 83.3333%;
    }

    .row .col-m-11 {
        -ms-flex: 0 0 91.6666%;
        flex: 0 0 91.6666%;
        max-width: 91.6666%;
    }

    .row .col-m-12 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* --- 电脑 */
@media screen and (min-width: 1024px) {
    .row .col-l-1 {
        -ms-flex: 0 0 8.3333%;
        flex: 0 0 8.3333%;
        max-width: 8.3333%;
    }

    .row .col-l-2 {
        -ms-flex: 0 0 16.6666%;
        flex: 0 0 16.6666%;
        max-width: 16.6666%;
    }

    .row .col-l-3 {
        -ms-flex: 0 0 25%;
        flex: 0 0 25%;
        max-width: 25%;
    }

    .row .col-l-4 {
        -ms-flex: 0 0 33.3333%;
        flex: 0 0 33.3333%;
        max-width: 33.3333%;
    }

    .row .col-l-5 {
        -ms-flex: 0 0 41.3333%;
        flex: 0 0 41.6666%;
        max-width: 41.6666%;
    }

    .row .col-l-6 {
        -ms-flex: 0 0 50%;
        flex: 0 0 50%;
        max-width: 50%;
    }

    .row .col-l-7 {
        -ms-flex: 0 0 58.3333%;
        flex: 0 0 58.3333%;
        max-width: 58.3333%;
    }

    .row .col-l-8 {
        -ms-flex: 0 0 66.6666%;
        flex: 0 0 66.6666%;
        max-width: 66.6666%;
    }

    .row .col-l-9 {
        -ms-flex: 0 0 75%;
        flex: 0 0 75%;
        max-width: 75%;
    }

    .row .col-l-10 {
        -ms-flex: 0 0 83.3333%;
        flex: 0 0 83.3333%;
        max-width: 83.3333%;
    }

    .row .col-l-11 {
        -ms-flex: 0 0 91.6666%;
        flex: 0 0 91.6666%;
        max-width: 91.6666%;
    }

    .row .col-l-12 {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* -- 网格对齐方式 */
.row>.left,
.row>.right,
.row>.top,
.row>.bottom,
.row>.center {
    display: flex;
    flex-direction: column;
}

.row>.center {
    align-items: center;
    justify-content: center;
}

.row>.center-fixed {
    text-align: center;
}

.row>.left {
    -webkit-box-align: start;
    align-items: flex-start;
}

.row>.right {
    -webkit-box-align: end;
    align-items: flex-end;
}

.row>.top {
    justify-content: flex-start;
}

.row>.bottom {
    justify-content: flex-end;
}

@media screen and (max-width: 900px) {
    .row>.to-center {
        align-items: center !important;
    }
}

/* - 隐藏栅格功能 */
@media screen and (max-width: 600px) {
    .row>.hide-s {
        display: none;
    }
}

@media screen and (max-width: 900px) {
    .row>.hide-m {
        display: none;
    }
}

@media screen and (max-width: 1024px) {
    .row>.hide-l {
        display: none;
    }
}

/* 4 - 动画
-------------------------------- */
.bk-animate {
    animation-duration: 1s;
    -webkit-animation-duration: 1s;
    animation-timing-function: ease-in-out;
    -webkit-animation-timing-function: ease-in-out;
}

/* - 动画行为 */
.bk-animate.loop {
    animation-direction: alternate;
    -webkit-animation-direction: alternate;
}

.bk-animate.reverse {
    animation-direction: reverse;
    -webkit-animation-direction: reverse;
}

.bk-animate.infinite {
    animation-iteration-count: infinite;
    -webkit-animation-iteration-count: infinite;
}

/* - 动画时长 */
.bk-animate.slow {
    animation-duration: 2s;
    -webkit-animation-duration: 2s;
}

.bk-animate.slower {
    animation-duration: 3s;
    -webkit-animation-duration: 3s;
}

.bk-animate.fast {
    animation-duration: .5s;
    -webkit-animation-duration: .5s;
}

.bk-animate.faster {
    animation-duration: .3s;
    -webkit-animation-duration: .3s;
}

/* - 淡入淡出 */
.bk-animate.fade-in {
    animation-name: fade-in;
    -webkit-animation-name: fade-in;
}

@keyframes fade-in {
    from {
        opacity: 0
    }

    to {
        opacity: 1
    }
}

@-webkit-keyframes fade-in {
    from {
        opacity: 0
    }

    to {
        opacity: 1
    }
}

.bk-animate.fade-off {
    animation-name: fade-off;
    -webkit-animation-name: fade-off;
}

@keyframes fade-off {
    from {
        opacity: 1
    }

    to {
        opacity: 0
    }
}

@-webkit-keyframes fade-off {
    from {
        opacity: 1
    }

    to {
        opacity: 0
    }
}

.bk-animate.fade-in-top {
    animation-name: fade-in-top;
    -webkit-animation-name: fade-in-top;
}

@keyframes fade-in-top {
    from {
        opacity: 0;
        transform: translateY(20px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

@-webkit-keyframes fade-in-top {
    from {
        opacity: 0;
        transform: translateY(20px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

.bk-animate.fade-in-bottom {
    animation-name: fade-in-bottom;
    -webkit-animation-name: fade-in-bottom;
}

@keyframes fade-in-bottom {
    from {
        opacity: 0;
        transform: translateY(-20px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

@-webkit-keyframes fade-in-bottom {
    from {
        opacity: 0;
        transform: translateY(-20px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

.bk-animate.fade-in-left {
    animation-name: fade-in-left;
    -webkit-animation-name: fade-in-left;
}

@keyframes fade-in-left {
    from {
        opacity: 0;
        transform: translateX(20px)
    }

    to {
        opacity: 1;
        transform: translateX(0)
    }
}

@-webkit-keyframes fade-in-left {
    from {
        opacity: 0;
        transform: translateX(20px)
    }

    to {
        opacity: 1;
        transform: translateX(0)
    }
}

.bk-animate.fade-in-right {
    animation-name: fade-in-right;
    -webkit-animation-name: fade-in-right;
}

@keyframes fade-in-right {
    from {
        opacity: 0;
        transform: translateX(-20px)
    }

    to {
        opacity: 1;
        transform: translateX(0)
    }
}

@-webkit-keyframes fade-in-right {
    from {
        opacity: 0;
        transform: translateX(-20px)
    }

    to {
        opacity: 1;
        transform: translateX(0)
    }
}

/* - 淡入缩放 */
.bk-animate.fade-small-large {
    animation-name: fade-small-large;
    -webkit-animation-name: fade-small-large;
}

@keyframes fade-small-large {
    from {
        opacity: 0;
        transform: scale(.5, .5)
    }

    to {
        opacity: 1;
        transform: scale(1, 1)
    }
}

@-webkit-keyframes fade-small-large {
    from {
        opacity: 0;
        transform: scale(.5, .5)
    }

    to {
        opacity: 1;
        transform: scale(1, 1)
    }
}

.bk-animate.fade-large-small {
    animation-name: fade-large-small;
    -webkit-animation-name: fade-large-small;
}

@keyframes fade-large-small {
    from {
        opacity: 1;
        transform: scale(1, 1)
    }

    to {
        opacity: 0;
        transform: scale(.5, .5)
    }
}

@-webkit-keyframes fade-large-small {
    from {
        opacity: 1;
        transform: scale(1, 1)
    }

    to {
        opacity: 0;
        transform: scale(.5, .5)
    }
}

.bk-animate.fade-larger-small {
    animation-name: fade-larger-small;
    -webkit-animation-name: fade-larger-small;
}

@keyframes fade-larger-small {
    from {
        opacity: 0;
        transform: scale(1.5, 1.5)
    }

    to {
        opacity: 1;
        transform: scale(1, 1)
    }
}

@-webkit-keyframes fade-larger-small {
    from {
        opacity: 0;
        transform: scale(1.5, 1.5)
    }

    to {
        opacity: 1;
        transform: scale(1, 1)
    }
}

.bk-animate.fade-small-larger {
    animation-name: fade-small-larger;
    -webkit-animation-name: fade-small-larger;
}

@keyframes fade-small-larger {
    from {
        opacity: 1;
        transform: scale(1, 1)
    }

    to {
        opacity: 0;
        transform: scale(1.5, 1.5)
    }
}

@-webkit-keyframes fade-small-larger {
    from {
        opacity: 1;
        transform: scale(1, 1)
    }

    to {
        opacity: 0;
        transform: scale(1.5, 1.5)
    }
}

/* - 缩放 */
.bk-animate.scale-small-large {
    animation-name: scale-small-large;
    -webkit-animation-name: scale-small-large;
}

@keyframes scale-small-large {
    from {
        transform: scale(0, 0)
    }

    to {
        transform: scale(1, 1)
    }
}

@-webkit-keyframes scale-small-large {
    from {
        transform: scale(0, 0)
    }

    to {
        transform: scale(1, 1)
    }
}

.bk-animate.scale-large-small {
    animation-name: scale-large-small;
    -webkit-animation-name: scale-large-small;
}

@keyframes scale-large-small {
    from {
        transform: scale(1, 1)
    }

    to {
        transform: scale(0, 0)
    }
}

@-webkit-keyframes scale-large-small {
    from {
        transform: scale(1, 1)
    }

    to {
        transform: scale(0, 0)
    }
}

/* - 平移 */
.bk-animate.up-and-down {
    animation-name: up-and-down;
    -webkit-animation-name: up-and-down;
    animation-direction: alternate;
    -webkit-animation-direction: alternate;
}

@keyframes up-and-down {
    from {
        transform: translateY(-20px)
    }

    to {
        transform: translateY(20px)
    }
}

@-webkit-keyframes up-and-down {
    from {
        transform: translateY(-20px)
    }

    to {
        transform: translateY(20px)
    }
}

.bk-animate.left-and-right {
    animation-name: left-and-right;
    -webkit-animation-name: left-and-right;
    animation-direction: alternate;
    -webkit-animation-direction: alternate;
}

@keyframes left-and-right {
    from {
        transform: translateX(-20px)
    }

    to {
        transform: translateX(20px)
    }
}

@-webkit-keyframes left-and-right {
    from {
        transform: translateX(-20px)
    }

    to {
        transform: translateX(20px)
    }
}

/* - 旋转 */
.bk-animate.rotate {
    animation-name: rotate;
    -webkit-animation-name: rotate;
}

@keyframes rotate {
    from {
        transform: rotate(0deg)
    }

    to {
        transform: rotate(360deg)
    }
}

@-webkit-keyframes rotate {
    from {
        transform: rotate(0deg)
    }

    to {
        transform: rotate(360deg)
    }
}

/* 5 - 组件
-------------------------------- */

/* - 弹窗 */
.bk-notice-list {
    top: 2em;
    left: 0;
    right: 0;
    z-index: 60;
    position: fixed;
    user-select: none;
    pointer-events: none;
}

.bk-notice {
    color: #fff;
    display: table;
    background: #333;
    border-radius: 3em;
    pointer-events: auto;
    margin: 0 auto 1em auto;
    box-shadow: 0 5px 5px -2px rgba(0, 0, 0, 0.2);
    animation: fade-small-large .3s both;
    -webkit-animation: fade-small-large .3s both;
}

.bk-notice.remove {
    animation: fade-in-top .3s both reverse;
    -webkit-animation: fade-in-top .3s both reverse;
}

/* -- 弹窗颜色 */
.bk-notice.red {
    background: #ea644a;
}

.bk-notice.yellow {
    background: #f1a325;
}

.bk-notice.blue {
    background: #3498db;
}

.bk-notice.green {
    background: #38b03f;
}

.bk-notice .content,
.bk-notice.dismiss .close {
    padding: .5em 1em;
    display: table-cell;
}

.bk-notice.dismiss .close {
    cursor: pointer;
    border-radius: 0 1em 1em 0;
    transition: background .3s;
}

.bk-notice.dismiss .close:hover {
    background: rgba(0, 0, 0, .1);
}

.bk-notice.dismiss .close:after {
    content: '×';
    font: inherit;
}

/* - 遮罩 */
.bk-overlay {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    position: fixed;
    animation: fade-in .5s both;
    -webkit-animation: fade-in .5s both;
    background: rgba(0, 0, 0, .5);
}

.bk-overlay.remove {
    animation: fade-off .5s both;
    -webkit-animation: fade-off .5s both;
}

/* - 图片放大 */
img[bk-image=active] {
    cursor: pointer;
    cursor: zoom-in;
}

.bk-image {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 66;
    position: fixed;
    user-select: none;
}

.bk-image:before {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    content: '';
    position: absolute;
    animation: fade-in .5s both;
    -webkit-animation: fade-in .5s both;
    background: rgba(0, 0, 0, .5);
}

.bk-image img {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    max-width: 90%;
    max-height: 90%;
    cursor: zoom-out;
    position: absolute;
    animation: fade-small-large .3s both;
    -webkit-animation: fade-small-large .3s both;
}

.bk-image.remove:before {
    animation: fade-off .3s both;
    -webkit-animation: fade-off .3s both;
}

.bk-image.remove img {
    animation: fade-large-small .3s both;
    -webkit-animation: fade-large-small .3s both;
}

.bk-image img[src$=".jpg"] {
    box-shadow: 0 5px 15px rgba(0, 0, 0, .5);
}