/* 技术培训 - 知识学院风格 */

.page-header {
    padding: 180px 0 80px;
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    color: #fff;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon points="50,10 90,90 10,90" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></svg>');
    background-size: 80px 80px;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header h1::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: #f39c12;
    margin: 20px auto 0;
    border-radius: 2px;
}

/* 培训数据 */
.training-stats {
    padding: 60px 0;
    background: #fff;
    border-bottom: 1px solid #eee;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 30px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #1e3a5f;
    margin-bottom: 10px;
}

.stat-number span {
    font-size: 24px;
    color: #f39c12;
}

.stat-item h3 {
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

/* 课程分类 */
.course-categories {
    padding: 100px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1e3a5f;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 16px;
    color: #666;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.category-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.category-header {
    padding: 30px;
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    color: #fff;
}

.category-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 15px;
}

.category-header h3 {
    font-size: 22px;
    font-weight: 600;
}

.category-content {
    padding: 30px;
}

.course-list {
    list-style: none;
}

.course-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    font-size: 15px;
    color: #555;
}

.course-list li:last-child {
    border-bottom: none;
}

.course-list li i {
    color: #f39c12;
}

.category-footer {
    padding: 20px 30px;
    background: #f8f9fa;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-footer span {
    font-size: 14px;
    color: #666;
}

.btn-small {
    padding: 8px 20px;
    background: #f39c12;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-small:hover {
    background: #e67e22;
}

/* 培训方式 */
.training-methods {
    padding: 100px 0;
    background: #fff;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.method-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #eee;
}

.method-image {
    height: 100%;
    min-height: 250px;
}

.method-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.method-content {
    padding: 35px;
}

.method-badge {
    display: inline-block;
    padding: 5px 15px;
    background: #f39c12;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 15px;
}

.method-content h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1e3a5f;
    margin-bottom: 15px;
}

.method-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.method-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.method-features span {
    padding: 6px 14px;
    background: #f8f9fa;
    border-radius: 20px;
    font-size: 13px;
    color: #555;
}

/* 讲师团队 */
.instructor-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    color: #fff;
}

.instructor-section .section-header h2 {
    color: #fff;
}

.instructor-section .section-header p {
    color: rgba(255, 255, 255, 0.7);
}

.instructor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.instructor-card {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.instructor-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.instructor-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: #fff;
}

.instructor-card h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
}

.instructor-card .title {
    font-size: 14px;
    color: #f39c12;
    margin-bottom: 15px;
}

.instructor-card .desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

/* 报名区域 */
.enrollment-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.enrollment-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.enrollment-info h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1e3a5f;
    margin-bottom: 20px;
}

.enrollment-info>p {
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
}

.enrollment-benefits {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.benefit-item i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: #fff;
    font-size: 20px;
    border-radius: 12px;
}

.benefit-item div h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a5f;
    margin-bottom: 5px;
}

.benefit-item div p {
    font-size: 14px;
    color: #666;
}

.enrollment-form {
    background: #fff;
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.enrollment-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1e3a5f;
    margin-bottom: 30px;
    text-align: center;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #f39c12;
    box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.1);
}

.btn-enroll {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-enroll:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(243, 156, 18, 0.3);
}

/* 响应式 */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .methods-grid {
        grid-template-columns: 1fr;
    }

    .instructor-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .enrollment-wrapper {
        grid-template-columns: 1fr;
    }

    .method-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 32px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .instructor-grid {
        grid-template-columns: 1fr;
    }

    .enrollment-form {
        padding: 30px;
    }

    .stat-number {
        font-size: 36px;
    }
}