/* S - reset 重置CSS */
html {
    font-size: 12px;
    color: #333;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol',
        'Noto Color Emoji'
}

blockquote,
body,
button,
code,
dd,
div,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
input,
legend,
li,
ol,
p,
pre,
strong,
td,
textarea,
th,
ul {
    margin: 0;
    padding: 0;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

fieldset,
img {
    border: 0;
}

img {
    display: block;
}

a {
    color: inherit;
    outline: none;
    text-decoration: none;
    cursor: pointer;
}

b,
em,
i,
strong,
var {
    font-style: normal;
}

address,
caption,
cite,
code,
dfn,
em,
optgroup,
strong,
th,
var {
    font-style: inherit;
    font-weight: inherit;
}

del,
ins {
    text-decoration: none;
}

li {
    list-style: none;
}

caption,
th {
    text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
    font-weight: normal;
}

q:after,
q:before {
    content: '';
}

abbr,
acronym {
    border: 0;
    font-variant: normal;
}

sub,
sup {
    vertical-align: baseline;
}

legend {
    color: #333;
}

button,
input,
optgroup,
option,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit;
}

button,
input,
select,
textarea {
    font-size: 100%;
    border-radius: 0;
}

input,
option,
select {
    -webkit-appearance: none;
    -moz-appearance: none;
    background: none;
}

body {
    -webkit-text-size-adjust: none;
    background: #f8fafc;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

* {
    -webkit-appearance: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    background-position: center;
    background-repeat: no-repeat;
}

:focus {
    outline: none;
}

/* E - reset 重置CSS */

/* S - 清理浮动 */
.clear {
    clear: both;
}

.clearfix:after {
    overflow: hidden;
    display: block;
    clear: both;
    height: 0;
    content: "\200B";
}

.clearfix {
    zoom: 1;
}

/* E - 清理浮动 */

/* S - 浮动 */
.fl-l {
    float: left;
}

.fl-r {
    float: right;
}

/* E - 浮动 */

.head {
    width: auto;
    background: #fff;
    height: 70px;
    border-bottom: 1px solid #eee;
}

.menu {
    max-width: 1200px;
    line-height: 70px;
    margin: 0 auto;

    .logo {
        float: left;
        font-size: 30px;
        font-weight: 700;
        color: #111826;
        font-family: Onest;
    }

    .tip {
        text-align: right;
        flex: 1;
        font-family: Inter;
        color: #6c727f;
        font-size: 18px;
    }
}

.box {
    max-width: 1200px;
    padding: 80px 0;
    margin: 0 auto;

    .txt {
        float: left;
        width: 520px;

        p {
            margin: 0;
            font-size: 44px;
            font-weight: 700;
            line-height: 54px;
            color: #111826;
            font-family: Onest;
        }

        span {
            margin: 16px 120px 0 0;
            font-family: Inter;
            color: #6c727f;
            font-size: 18px;
            font-weight: 400;
            line-height: 28px;
            margin-bottom: 48px;
            display: block;
        }
    }

    img.banner {
        float: right;
        width: 600px;
        height: 600px;
        margin-left: 80px;
    }
}

.foot {
    background: #1f1f1f;
    flex-grow: 1;
    text-align: center;
    color: #9ca3af;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    padding: 30px 0;

    p {
        padding: 0 0 10px;
        flex-direction: column;
    }

    span {
        display: block;
    }

    a {
        padding: 0 10px;

        &:hover {
            color: #fff;
            text-decoration: underline;
        }
    }
}