/* ===== 注册页面专用样式 ===== */

/* 注册流程 */
.registration-process {
    padding: 80px 0;
    background: var(--white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 50px;
    right: 50px;
    height: 3px;
    background: var(--border-color);
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-icon {
    position: relative;
    width: 80px;
    height: 80px;
    background: var(--white);
    border: 3px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.process-step.active .step-icon {
    border-color: var(--orange);
    background: var(--orange);
}

.step-icon i {
    font-size: 2rem;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.process-step.active .step-icon i {
    color: var(--white);
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: var(--orange);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
}

.process-step h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.process-step p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 课程选择 */
.courses-selection {
    padding: 80px 0;
    background: var(--bg-light);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.course-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid var(--border-color);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.course-card.popular {
    border-color: var(--orange);
    background: linear-gradient(to bottom, #FFF8F0, var(--white));
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--orange);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.course-header h3 {
    font-size: 1.5rem;
    color: var(--orange);
}

.course-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--orange);
}

.course-details {
    margin-bottom: 1.5rem;
}

.course-details p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.course-details i {
    color: var(--orange);
    width: 20px;
}

.course-features {
    margin-bottom: 1.5rem;
}

.course-features h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.course-features ul {
    list-style: none;
    padding-left: 0;
}

.course-features li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.course-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--orange);
    font-weight: bold;
}

.course-card .btn {
    width: 100%;
    padding: 12px;
}

.course-note {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 10px;
    border-left: 4px solid var(--orange);
}

.course-note p {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--text-light);
}

.course-note i {
    color: var(--orange);
    margin-top: 0.2rem;
}

.course-note a {
    color: var(--orange);
    text-decoration: none;
    font-weight: 600;
}

.course-note a:hover {
    text-decoration: underline;
}

/* 注册表单 */
.registration-form-section {
    padding: 80px 0;
    background: var(--white);
}

.registration-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.form-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--orange);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section h3 i {
    font-size: 1.2rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group label.required:after {
    content: ' *';
    color: var(--error-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Noto Sans SC', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.form-group input[type="date"] {
    padding: 11px 15px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: normal;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.checkbox-label:hover {
    background: rgba(255, 140, 0, 0.1);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* 条款 */
.terms-box {
    background: var(--white);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.terms-content {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    padding-right: 1rem;
}

.terms-content h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.terms-content p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.terms-agreement,
.privacy-agreement {
    margin-bottom: 1rem;
}

.terms-agreement .checkbox-label,
.privacy-agreement .checkbox-label {
    font-weight: 600;
}

/* 表单操作按钮 */
.form-actions {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.form-actions .btn {
    min-width: 150px;
    padding: 15px 30px;
}

/* 常见问题 */
.faq-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 140, 0, 0.05);
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
}

.faq-question i {
    color: var(--orange);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 联系方式 */
.contact-section {
    padding: 80px 0;
    background: var(--white);
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    text-align: center;
    padding: 2rem;
    border: 2px solid var(--border-color);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: var(--orange);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.contact-icon i {
    font-size: 2rem;
    color: var(--white);
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-card p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.wechat-qr {
    margin-top: 1rem;
}

.wechat-qr img {
    width: 100px;
    height: 100px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

/* 成功模态框 */
.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2001;
    padding: 20px;
}

.success-modal.show {
    display: flex;
}

.success-modal-content {
    background: var(--white);
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.success-icon i {
    font-size: 3rem;
}

.success-modal-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--success-color);
}

.success-modal-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.success-modal-content .btn {
    margin-top: 2rem;
    padding: 12px 40px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps::before {
        display: none;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .form-section {
        padding: 1.5rem;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .contact-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-options {
        grid-template-columns: 1fr;
    }
    
    .success-modal-content {
        padding: 2rem;
    }
}