/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

header {
    background: linear-gradient(180deg, #5EC7CB, #FFFFFF);
    color: #fff;
    height: 100%;
    width: 100%;
    padding: 20px 0px;
}

.box {
    background: #FFFFFF;
    box-shadow: 0px 0px 12px 1px #BDBDBD;
    border-radius: 20px 20px 20px 20px;
}

.container {
    margin-left: auto;
    margin-right: auto;
    width: 65%;
}

.footer {

    width: 100%;
    min-height: 500px;
    background: #FFFFFF;
    box-shadow: 0px 0px 12px 1px #BDBDBD;
}

.title {
    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 48px;
    color: #000000;
    line-height: 84px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    margin: 20px 0;
}

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

.fix {
    overflow: hidden;
}

.ralt {
    position: relative;
}

.ripple {
    position: relative;
}

.margin-bottom {
    margin-bottom: 20px;
}

.flex-row-center {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.flex-row-start-center {
    display: flex;
    /* flex: 1; */
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
}

.flex-column {
    display: flex;
    flex-direction: column
}

.flex-column-space-between {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.flex-column-evenly {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
}

.flex-column-space-around {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.flex-column-center-start {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.flex-column-center-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.flex-column-center {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.flex-row-space-evenly {
    display: flex;
    justify-content: space-evenly
}

.flex-row-between-center {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-row-around-center {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.flex-row-column-start {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn1 {
    color: #1677ff;
    background: #FFFFFF;
    border-radius: 5px 5px 5px 5px;
    font-family: PingFang SC, PingFang SC;
    font-style: normal;
    text-transform: none;
    width: 120px;
    font-size: 24px;
}

.btn2 {


    background: #1677FF;
    border-radius: 10px 10px 10px 10px;
    color: #FFFFFF;
}


/* 标题 */
h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: 10px;
    font-weight: bold;
    color: #000000;
}

h1 {
    font-size: 2.5em;
}

h2 {
    font-size: 2em;
}

h3 {
    font-size: 1.75em;
}

h4 {
    font-size: 1.5em;
}

h5 {
    font-size: 1.25em;
}

h6 {
    font-size: 1em;
}

/* 段落 */
p {
    margin-bottom: 15px;
}

/* 链接 */


a {
    color: white;
    text-decoration: none;
    text-underline-offset: 14px;
    transition: color 0.3s ease;
}

a:hover {
    color: #1677FF;
    text-decoration: underline;
}

/* 列表 */
ul,
ol {
    margin-bottom: 15px;
    padding-left: 20px;
}

li {
    margin-bottom: 5px;
}

/* 图像 */
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}



/* 按钮 */
button,
input[type="button"],
input[type="submit"] {
    padding: 5px 10px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}


/* 表单 */
form {
    margin-bottom: 20px;
}

.shadow {
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.25);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

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