/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    color: #333;
    line-height: 1.6;
    background: #f5f5f5;
}

/* 页头样式 */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo h1 {
    font-size: 24px;
    color: #ff6700;
}

.logo p {
    font-size: 14px;
    color: #666;
}

/* 导航栏样式 */
nav {
    background-color: #333;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    max-width: 1200px;
    margin: 0 auto;
}

/* 内容区样式 */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* 注册容器 */
.register-container {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

/* 注册页横幅 */
.register-banner {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.register-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.banner-text h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.banner-text p {
    font-size: 16px;
}

/* 注册表单 */
.register-form {
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.register-form h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 24px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #ff6700;
    outline: none;
}

.form-group .tip {
    font-size: 12px;
    color: #999;
    margin-top: 5px;
}

/* 单选框和复选框样式 */
.radio-group,
.checkbox-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.radio,
.checkbox {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.radio input,
.checkbox input {
    margin-right: 5px;
}

/* 协议同意 */
.agreement {
    text-align: center;
}

.agreement a {
    color: #ff6700;
}

/* 注册按钮 */
.btn-register {
    width: 100%;
    padding: 12px;
    background: #ff6700;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-register:hover {
    background: #f25807;
}

/* 登录链接 */
.login-link {
    text-align: center;
    margin-top: 20px;
    color: #666;
}

.login-link a {
    color: #ff6700;
    text-decoration: none;
}

/* 页脚样式 */
footer {
    background-color: #f5f5f5;
    padding: 40px 0;
    margin-top: 40px;
    text-align: center;
}

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

.copyright {
    color: #666;
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        text-align: center;
    }

    .user-menu {
        margin-top: 10px;
    }

    nav ul {
        flex-direction: column;
    }

    nav li {
        width: 100%;
        text-align: center;
    }

    .register-form {
        padding: 20px;
    }

    .banner-text h2 {
        font-size: 24px;
    }

    .banner-text p {
        font-size: 14px;
    }

    .radio-group,
    .checkbox-group {
        flex-direction: column;
        gap: 10px;
    }
}