* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

/* 头部导航 */
.header {
    background-color: #1890ff;
    color: white;
    padding: 15px;
    text-align: center;
    position: relative;
}

.back-btn {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 18px;
    text-decoration: none;
}

/* 登录注册容器 */
.auth-container {
    max-width: 500px;
    margin: 20px auto;
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.tab {
    flex: 1;
    text-align: center;
    padding: 10px;
    cursor: pointer;
}

.tab.active {
    color: #1890ff;
    border-bottom: 2px solid #1890ff;
}

.form-container {
    display: none;
}

.form-container.active {
    display: block;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    background-color: white;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background-color: #1890ff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: #40a9ff;
}

.switch-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #666;
}

.switch-link a {
    color: #1890ff;
    text-decoration: none;
}

/* 底部导航 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
}

.bottom-nav-item {
    text-align: center;
}

.bottom-nav-icon {
    font-size: 20px;
    margin-bottom: 5px;
}

.bottom-nav-text {
    font-size: 12px;
}

.bottom-nav-item.active .bottom-nav-icon,
.bottom-nav-item.active .bottom-nav-text {
    color: #1890ff;
}

.main-content {
    padding-bottom: 60px;
}

.wx-bind-alert {
    margin: 12px;
    border-radius: 10px;
    padding: 10px 12px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.wx-bind-alert--conflict {
    background: #fff2f0;
    border: 1px solid #ffccc7;
    color: #a8071a;
}

.wx-bind-alert--ok {
    background: #f6ffed;
    border: 1px solid #b7eb8f;
    color: #237804;
}

.link-reset {
    text-decoration: none;
    color: inherit;
}

.is-hidden{display:none !important;}