body{
    width: 100vw;
    min-width: 1480px;
    /*height: 100vh;*/
    background-image: url("../img/img5.jpeg");
    background-size: cover;
    /*background-size: auto;*/
    /*background-position: center;*/
    background-repeat: no-repeat;
    min-height: 1000px;
}
.auth-container {
    width: 1200px;
    /*height: 400px;*/
    margin: 0 auto;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    /*background-color: #f9f5f0;*/
    /*margin-top: 100px;*/
}

.auth-box {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-header {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.tab-btn {
    flex: 1;
    padding: 10px;
    border: none;
    background: none;
    color: #666;
    font-size: 16px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
}

.tab-btn.active {
    color: #f18484;
    border-bottom-color: #f18484;
}

.auth-form {
    display: block;
}

.auth-form.hidden {
    display: none;
}

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

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

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

.form-group input:focus {
    outline: none;
    border-color: #f18484;
}

.auth-submit {
    width: 100%;
    padding: 12px;
    background-color: #f18484;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.auth-submit:hover {
    background-color: #f18484;
}

.error-message {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.error-message.visible {
    display: block;
}

/* 消息提示框样式 */
.message-box {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 20px;
    border-radius: 4px;
    color: white;
    font-weight: 500;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: slide-down 0.3s ease-out;
}

.message-box.success {
    background-color: #4caf50;
}

.message-box.error {
    background-color: #f44336;
}

.message-box.fade-out {
    opacity: 0;
    transition: opacity 0.5s;
}

@keyframes slide-down {
    from {
        transform: translate(-50%, -20px);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

/* 确保表单中的隐藏元素不显示 */
.hidden {
    display: none;
}