.register-wrapper {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.register-container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    max-width: 450px;
    width: 100%;
    padding: 35px 30px;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.register-header {
    text-align: center;
    margin-bottom: 30px;
}

.register-header h1 {
    font-size: 1.8em;
    color: #333;
    margin-bottom: 8px;
    font-weight: 700;
}

.register-header p {
    color: #666;
    font-size: 0.9em;
}

.register-form {
    margin-bottom: 25px;
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 0.9em;
}

.form-label .icon {
    font-size: 1.2em;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-hint {
    display: block;
    margin-top: 8px;
    font-size: 0.85em;
    min-height: 20px;
}

.form-hint.error {
    color: #f5222d;
}

.form-hint.correct {
    color: #52c41a;
}

.captcha-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.captcha-input {
    flex: 1;
}

.captcha-image {
    height: 46px;
    width: 120px;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
}

.captcha-image:hover {
    border-color: #667eea;
    transform: scale(1.05);
}

.btn-submit {
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 1.2em;
    transition: transform 0.3s ease;
}

.btn-submit:hover .btn-icon {
    transform: translateX(5px);
}

.register-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #f0f0f0;
}

.footer-notice {
    color: #faad14;
    font-size: 0.9em;
    margin-bottom: 8px;
}

.footer-terms {
    color: #999;
    font-size: 0.85em;
    margin-bottom: 15px;
}

.footer-login {
    color: #666;
    font-size: 0.9em;
}

.footer-login a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.footer-login a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .register-wrapper {
        padding: 20px 15px;
    }
    
    .register-container {
        padding: 30px 25px;
    }
    
    .register-header h1 {
        font-size: 1.6em;
    }
    
    .captcha-group {
        flex-direction: column;
    }
    
    .captcha-input {
        width: 100%;
    }
    
    .captcha-image {
        width: 100%;
        max-width: 200px;
    }
}