/* IT培训页面专用样式 */

/* 页面头部 */
.page-header {
    background: #000000;
    padding: 120px 0 80px;
    color: #e0e0e0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 215, 0, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(255, 215, 0, 0.06) 0%, transparent 50%);
    opacity: 0.6;
}

.header-content {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #FFD700;
    opacity: 0;
    animation: fadeInUp 1s ease 0.2s forwards;
}

.page-header p {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #777777;
    opacity: 0;
    animation: fadeInUp 1s ease 0.4s forwards;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.breadcrumb a {
    color: #999999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #FFD700;
}

.breadcrumb span {
    color: #777777;
}

/* 培训介绍 */
.training-intro {
    padding: 50px 0;
    background: #000000;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #FFD700;
}

.intro-text p {
    font-size: 1.1rem;
    color: #777777;
    line-height: 1.8;
    margin-bottom: 20px;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 32px;
    background: #000000;
    border-radius: 24px;
    box-shadow: 0 4px 12px 0 rgba(255, 215, 0, 0.15), 0 2px 6px 0 rgba(255, 215, 0, 0.1);
    border: 1px solid #333333;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    display: none;
}

.feature-card:hover::before {
    display: none;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 6px 15px 0 rgba(255, 215, 0, 0.3), 0 3px 8px 0 rgba(255, 215, 0, 0.2);
    border-color: #FFD700;
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 3rem;
    color: #FFD700;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon i {
    transform: scale(1.1) rotate(5deg);
    color: #ffffff;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #FFD700;
}

.feature-card p {
    color: #777777;
    line-height: 1.6;
    font-size: 0.95rem;
}

.feature-item i {
    font-size: 2.5rem;
    color: #FFD700;
    margin-bottom: 15px;
}

.feature-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #e0e0e0;
}

.feature-item p {
    color: #777777;
    font-size: 0.9rem;
}

.intro-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.intro-image .image-placeholder {
    width: 400px;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.intro-image .image-placeholder i {
    font-size: 4rem;
    color: white;
}

/* 培训课程 */
.training-courses {
    padding: 50px 0;
    background: #000000;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.course-card {
    background: #000000;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 12px 0 rgba(255, 215, 0, 0.15), 0 2px 6px 0 rgba(255, 215, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid #333333;
    position: relative;
    max-width: 280px;
    margin: 0 auto;
}

.course-card::before {
    display: none;
}

.course-card::after {
    display: none;
}

.course-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: #FFD700;
}

.course-card:hover::before {
    display: none;
}

.course-card:hover::after {
    display: none;
}

.course-image {
    height: 100px;
    background: linear-gradient(135deg, 
        #FFD700 0%, 
        #FFA500 50%, 
        #FF8C00 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
}

.course-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    animation: shimmer 3s ease-in-out infinite;
}

.course-image i {
    font-size: 2.5rem;
    color: #0f172a;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

@keyframes shimmer {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

.course-content {
    padding: 10px;
    position: relative;
    z-index: 1;
}

.course-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: #e0e0e0;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.course-level {
    display: inline-block;
    background: linear-gradient(135deg,
        rgba(255, 215, 0, 0.15) 0%,
        rgba(255, 215, 0, 0.08) 100%);
    color: #FFD700;
    padding: 4px 8px;
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    border: 1px solid rgba(255, 215, 0, 0.25);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.1);
}

.course-duration {
    color: #777777;
    font-size: 0.9rem;
    margin-bottom: 16px;
    font-weight: 500;
}

.course-description {
    color: #777777;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 0.85rem;
}

.course-topics {
    list-style: none;
    margin-bottom: 28px;
}

.course-topics li {
    padding: 10px 0;
    color: #777777;
    position: relative;
    padding-left: 28px;
    font-size: 0.9rem;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.course-topics li:hover {
    color: #e0e0e0;
}

.course-topics li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #FFD700;
    font-weight: bold;
    font-size: 1rem;
    top: 8px;
}

.course-price {
    font-size: 1.6rem;
    font-weight: 800;
    color: #FFD700;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.course-btn {
    width: 100%;
    padding: 12px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 12px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #0f172a;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.course-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.course-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
}

.course-btn:hover::before {
    left: 100%;
}

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

/* 培训优势 */
.training-advantages {
    padding: 100px 0;
    background: #000000;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.advantage-card {
    background: #000000;
    padding: 40px 32px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 4px 12px 0 rgba(255, 215, 0, 0.15), 0 2px 6px 0 rgba(255, 215, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid #333333;
    position: relative;
}

.advantage-card::before {
    display: none;
}

.advantage-card::after {
    display: none;
}

.advantage-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: #FFD700;
}

.advantage-card:hover::before {
    display: none;
}

.advantage-card:hover::after {
    display: none;
}

.advantage-icon {
    width: 88px;
    height: 88px;
    background: linear-gradient(135deg, 
        #FFD700 0%, 
        #FFA500 50%, 
        #FF8C00 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 32px;
    box-shadow: 
        0 8px 24px rgba(255, 215, 0, 0.3),
        0 0 0 1px rgba(255, 215, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    animation: shimmer 3s ease-in-out infinite;
}

.advantage-icon i {
    font-size: 2.2rem;
    color: #0f172a;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.advantage-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #FFD700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}

.advantage-card p {
    color: #777777;
    line-height: 1.7;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* 学员评价 */
.testimonials {
    padding: 100px 0;
    background: #000000;
}

.testimonials-container {
    overflow: hidden;
    margin-top: 60px;
    position: relative;
}

.testimonials-scroll {
    display: flex;
    gap: 20px;
    animation: scrollTestimonials 30s linear infinite;
    width: max-content;
}

.testimonials-scroll:hover {
    animation-play-state: paused;
}

@keyframes scrollTestimonials {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}


.testimonials-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 20px 0;
}

.testimonial-card {
    background: #000000;
    padding: 24px 20px;
    border-radius: 20px;
    box-shadow: 0 4px 12px 0 rgba(255, 215, 0, 0.15), 0 2px 6px 0 rgba(255, 215, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid #333333;
    position: relative;
    width: 300px;
    flex-shrink: 0;
    margin: 10px;
}

.testimonial-card::before {
    display: none;
}

.testimonial-card::after {
    display: none;
}

.testimonial-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: #FFD700;
}

.testimonial-card:hover::before {
    display: none;
}

.testimonial-card:hover::after {
    display: none;
}

.testimonial-content {
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.testimonial-content p {
    font-size: 0.8rem;
    color: #777777;
    line-height: 1.5;
    font-style: italic;
    position: relative;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 4.8em;
}

.testimonial-content p::before {
    content: '"';
    font-size: 3rem;
    color: #FFD700;
    position: absolute;
    top: -10px;
    left: -20px;
    opacity: 0.3;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.author-avatar i {
    color: #0f172a;
    font-size: 1.2rem;
}

.author-info h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: #FFD700;
    margin-bottom: 4px;
}

.author-info p {
    color: #777777;
    font-size: 0.7rem;
    opacity: 0.8;
}

/* 报名咨询 */
.training-contact {
    padding: 100px 0;
    background: #000000;
    color: #e0e0e0;
    position: relative;
    overflow: hidden;
}

.training-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 215, 0, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(255, 215, 0, 0.06) 0%, transparent 50%);
    opacity: 0.6;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #FFD700;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: #777777;
}

.contact-features {
    margin-bottom: 40px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.feature i {
    color: #FFD700;
    font-size: 1.2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-method i {
    font-size: 1.5rem;
    color: #999999;
}

.contact-method h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #FFD700;
}

.contact-method p {
    color: #777777;
    margin: 0;
}

.contact-form {
    background: #000000;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid #333333;
}

.contact-form h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: #FFD700;
    text-align: center;
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #444444;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: #000000;
    color: #e0e0e0;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #FFD700;
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

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

.btn-full {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header {
        padding: 85px 0 40px;
    }

    .page-header h1 {
        font-size: 2rem;
        margin-bottom: 12px;
    }

    .page-header p {
        font-size: 1rem;
    }

    .section-header {
        margin-bottom: 35px;
    }

    .section-header h2 {
        font-size: 1.75rem;
        margin-bottom: 12px;
    }

    .section-header p {
        font-size: 0.95rem;
    }

    .intro-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .intro-features {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .testimonials-grid {
        flex-direction: column;
        align-items: center;
    }

    .testimonial-card {
        width: 100%;
        max-width: 320px;
        margin: 10px 0;
        padding: 20px;
    }

    .service-card {
        padding: 24px 20px;
    }

    .service-icon {
        font-size: 2rem;
    }

    .service-card h3 {
        font-size: 1.25rem;
    }

    .service-card p {
        font-size: 0.9rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .contact-item {
        padding: 16px;
    }

    .contact-map iframe {
        height: 350px;
    }

    /* 返回顶部按钮移动端样式 */
    .back-to-top-btn {
        right: 20px !important;
        bottom: 20px !important;
        width: 45px !important;
        height: 45px !important;
        font-size: 16px !important;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 75px 0 35px;
    }

    .page-header h1 {
        font-size: 1.75rem;
        margin-bottom: 10px;
    }

    .page-header p {
        font-size: 0.9rem;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-header h2 {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }

    .section-header p {
        font-size: 0.85rem;
    }

    .intro-text h2 {
        font-size: 1.75rem;
    }

    .intro-text p {
        font-size: 0.9rem;
    }

    .service-card {
        padding: 20px 16px;
    }

    .service-icon {
        font-size: 1.75rem;
        margin-bottom: 12px;
    }

    .service-card h3 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }

    .service-card p {
        font-size: 0.85rem;
        line-height: 1.6;
    }

    .course-card {
        margin: 0 10px;
    }

    .advantage-card,
    .testimonial-card {
        margin: 8px 0;
        width: 100%;
        max-width: 280px;
        padding: 16px;
    }

    .testimonial-content p {
        font-size: 0.9rem;
    }

    .contact-item {
        padding: 12px;
    }

    .contact-details h3 {
        font-size: 1rem;
    }

    .contact-details p {
        font-size: 0.85rem;
    }

    .contact-map iframe {
        height: 300px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 课程卡片特殊效果 */
.course-card {
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.course-card:hover::before {
    left: 100%;
}

/* 按钮悬停效果 */
.course-btn {
    position: relative;
    overflow: hidden;
}

.course-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.course-btn:hover::before {
    left: 100%;
}