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

html,
body {
    margin: 0;
    font-size: 100%;
    background: #fff;
    font-family: 'Raleway', sans-serif;
    scroll-behavior: smooth;
}

a,
a:hover {
    text-decoration: none;
    color: #fff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    letter-spacing: 1px;
    font-weight: 600;
    font-family: 'Source Sans Pro', sans-serif;
}

p {
    font-size: 0.9em;
    color: #00ffff;
    line-height: 1.9em;
    letter-spacing: 1px;
    margin-bottom: 0;
}

ul {
    margin: 0;
    padding: 0;
}

.main-banner {
    background: url(../image/banner1.png) no-repeat center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    -ms-background-size: cover;
    background-size: cover;
    position: relative;
    min-height: 100vh;
}

.logo a {
    display: initial;
    margin: 0;
    letter-spacing: 1px;
    color: #fff;
    font-size: 1.5em;
    font-weight: 700;
    text-shadow: 2px 5px 3px rgba(0, 0, 0, 0.06);
    text-transform: uppercase;
}

.tab-main {
    padding: 40px 0;
    margin: 0 auto;
    border: none;
    background: transparent;
    box-shadow: none;
    width: 80%;
    text-align: center;
}

.tab-main label {
    color: #fff;
    /*border: 1px solid #e5e5e5;*/
    background: #5bc0de;
    border-radius: 4px;
    display: inline-block;
    padding: 13px 40px;
    font-weight: 600;
    text-align: center;
    margin: 0 4px;
    font-size: 0.9em;
    letter-spacing: 1px;
    font-family: 'Raleway', sans-serif;
}

.tab-main label:hover {
    color: #ff4c4c;
    cursor: pointer;
}

.tab-main input:checked + label {
    color: #ff4c4c;
}

.tab-main section {
    display: none;
}

.tab-main #tab1:checked ~ #content1,
.tab-main #tab2:checked ~ #content2,
.tab-main #tab3:checked ~ #content3,
.tab-main #tab4:checked ~ #content4 {
    display: block;
}

.banner-info {
    text-align: center;
    padding-top: 5em;
}

.tab {
    margin: 0 auto;
    width: 60%;
    padding-top: 4em;
    text-align: center;
}

#content1 P {
    font-size: 1.5em;
}

input::-webkit-input-placeholder {
    color: #ddd;
}

input:-moz-placeholder {
    color: #ddd;
}

input::-moz-placeholder {
    color: #ddd;
}

input:-ms-input-placeholder {
    color: #ddd;
}

/* Internet Explorer 10+ */

/*------------*/

input[name='tabs'] {
    display: none;
}

img.xiaohe {
    background: rgba(77, 83, 88, 0.22);
    padding: 0.3em;
    margin-bottom: 1em;
    max-width: 100%;
    height: auto;
    vertical-align: middle;
    border-style: none;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
}

h4 {
    color: #00ffff;
    font-size: 1em;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 5px 3px rgba(0, 0, 0, 0.06);
    margin: 0.5em 0 1em 0;
    line-height: 1.2;
}

h2 {
    color: #00ffff;
    font-size: 1.4em;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 5px 3px rgba(0, 0, 0, 0.06);
    margin: 0 0 1.5em 0;
}

.copy {
    position: fixed;
    bottom: 2rem;
    left: 0;
    width: 100%;
    text-align: center;
}

.copy p {
    letter-spacing: 2px;
}

.copy a {
    color: #00ffff;
}

/*----------------------------*/

#content2 h3 {
    color: #00ffff;
    font-size: 1.4em;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 5px 3px rgba(0, 0, 0, 0.06);
    margin: 0em 0 1.5em 0;
}

#content4 h3 {
    color: #0030dd;
    font-size: 2em;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 5px 3px rgba(0, 0, 0, 0.06);
    margin: 0em 0 1.5em 0;
}

.w50 {
    max-width: 50%;
    position: relative;
    width: 100%;
    min-height: 1px;
    padding-right: 15px;
    padding-left: 15px;
}

.w50 input {
    padding: 1em 1em;
    color: #495057;
    border: 2px solid #00ffff;
    border-radius: 0px;
    outline: none;
    font-size: 0.9em;
    letter-spacing: 1px;
    display: block;
    width: 100%;
    line-height: 1.5;
    background-color: #fff;
    background-clip: padding-box;
}

.w50 textarea {
    min-height: 10.1em;
    -webkit-appearance: none;
    width: 100%;
    padding: 1.1em 1em;
    color: #495057;
    border: 2px solid #00ffff;
    border-radius: 0px;
    outline: none;
    font-size: 0.9em;
    letter-spacing: 1px;
    overflow: auto;
    resize: none;
    margin: 0;
    font-family: inherit;
}

.w50 p {
    font-weight: 600;
    letter-spacing: 2px;
    color: #0030dd;
    font-size: 0.85em;
    text-align: left;
}

.row {
    display: -webkit-box;
}

.btn {
    background: #ff4c4c;
    padding: 0.8em 3em;
    font-size: 15px;
    letter-spacing: 2px;
    color: #fff;
    border-radius: 0px;
    text-transform: uppercase;
    font-weight: 800;
    transition: 0.5s all;
    -webkit-transition: 0.5s all;
    -moz-transition: 0.5s all;
    -o-transition: 0.5s all;
    -ms-transition: 0.5s all;
    border: none;
    margin-top: 50px;
}

.form-group P:after {
    content: "*";
    color: red;
    vertical-align: middle;
}

.btn:hover {
    cursor: pointer;
}