/* Banner版块 - 全屏宽度 */
.banner-section {
    width: 100%;
    background: linear-gradient(135deg, #1890ff 0%, #40a9ff 50%, #69c0ff 100%);
    padding: 50px 0;
    margin-bottom: 0;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}


.banner-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.9) 0%, rgba(59, 130, 246, 0.8) 50%, rgba(6, 182, 212, 0.9) 100%);
    z-index: 1;
}

.banner-content {
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 0 20px;
}

.banner-tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    color: #f8fafc;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.banner-tagline i {
    font-size: 12px;
    opacity: 0.8;
}

.banner-title {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.banner-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 48px;
    font-weight: 400;
    line-height: 1.4;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    z-index: 1;
}

.feature-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.card-content {
    position: relative;
    z-index: 2;
}

.card-text {
    color: white;
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 12px;
    font-weight: 500;
    text-align: left;
}

.card-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.banner-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #1890ff 0%, #40a9ff 100%);
    color: white;
    text-decoration: none;
    border: none;
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 25px rgba(24, 144, 255, 0.3);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.banner-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.banner-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(24, 144, 255, 0.4);
    background: linear-gradient(135deg, #40a9ff 0%, #1890ff 100%);
}

.banner-cta:hover::before {
    left: 100%;
}

.banner-cta:hover i {
    transform: translateX(4px);
}

.banner-cta:active {
    transform: translateY(-1px) scale(1.02);
}

.banner-cta i {
    transition: transform 0.3s ease;
    font-size: 16px;
}

/* 每日推荐工作流区域 */
.recommended-section {    
    margin-bottom: 80px;
    padding: 40px 20px;
    margin: 0 auto;
    background: #ffffff;
}

/* 新闻版块 */
.news-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.news-section .section-header {
    text-align: center;
    margin-bottom: 24px;
}

.news-section .section-title {
    font-size: 28px;
    font-weight: 700;
    color: #262626;
    margin-bottom: 8px;
}

.news-section .section-subtitle {
    font-size: 14px;
    color: #666;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.news-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.news-image img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}

.news-content {
    padding: 16px;
}

.news-title {
    font-size: 16px;
    font-weight: 600;
    color: #262626;
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #999;
    margin-bottom: 8px;
}

.news-meta i { font-size: 12px; color: #bbb; }

.news-excerpt {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    max-height: 4.2em;
}

.news-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 13px;
    color: #1890ff;
    text-decoration: none;
    transition: all 0.2s ease;
}

.news-more:hover {
    background: #e6f7ff;
    border-color: #91d5ff;
}

@media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .news-grid { grid-template-columns: 1fr; }
    .news-image img { height: 140px; }
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #262626;
    margin-bottom: 12px;
}

.section-subtitle {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 16px;
    color: #666;
    margin: 0;
}

.workflow-cards {
    max-width: 1200px;
    margin: 20px auto 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.workflow-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.workflow-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-image img,
.card-image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.discount-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: #10b981;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.card-content {
    padding: 20px;
}

.price-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.original-price {
    font-size: 14px;
    color: #999;
    text-decoration: line-through;
}

.current-price {
    font-size: 18px;
    font-weight: 700;
    color: #ff6b35;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: #262626;
    margin-bottom: 8px;
    line-height: 1.4;
}

.card-author {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.workflow-count {
    font-size: 12px;
    color: #999;
    background: #f5f5f5;
    padding: 4px 8px;
    border-radius: 12px;
    display: inline-block;
}

/* 更多卡片样式 */
.more-card {
    background: linear-gradient(135deg, #1890ff 0%, #40a9ff 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.more-content {
    text-align: center;
    padding: 20px;
}

.more-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.9;
}

.more-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.more-content p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.btn-more {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-more:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* 剪映小助手区域 */
.jianying-section {
    margin-bottom: 40px;
}

.section-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.content-left .section-title {
    font-size: 36px;
    font-weight: 700;
    color: #262626;
    margin-bottom: 20px;
    text-align: left;
}

.section-description {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
}

.feature-icons {
    display: flex;
    gap: 24px;
    margin-bottom: 30px;
}

.feature-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.feature-icon i {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1890ff, #40a9ff);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 8px;
}

.feature-icon span {
    font-size: 14px;
    font-weight: 500;
    color: #666;
    text-align: center;
}

.btn-download, .btn-learn {
    display: inline-block;
    background: linear-gradient(135deg, #1890ff, #40a9ff);
    color: white !important;
    text-decoration: none;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-download:hover, .btn-learn:hover {
    background: linear-gradient(135deg, #40a9ff, #1890ff);
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(24, 144, 255, 0.4);
}

/* 应用预览 */
.app-preview {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.chat-interface {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    background: #f8f9fa;
    padding: 12px 16px;
    border-radius: 12px;
    border-left: 4px solid #1890ff;
}

.final-message {
    background: #e6f7ff;
    border-left-color: #1890ff;
}

.message-text {
    font-size: 14px;
    color: #333;
    line-height: 1.5;
}

.download-link {
    background: #f0f0f0;
    padding: 8px 12px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: #666;
    margin-top: 8px;
    word-break: break-all;
}

/* 速推学堂区域 */
.academy-section {
    margin-bottom: 40px;
    padding: 60px 20px;
    background: #ffffff;
}

/* 案例展示区内链接无下划线，继承文字颜色 */
.academy-section a {
    text-decoration: none;
    color: inherit;
}

.academy-section a:hover {
    text-decoration: none;
}

/* 速推学堂：在桌面端将内容区显示在右侧 */
.academy-section .section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.academy-section .content-left { grid-column: 2; }
.academy-section .content-right { grid-column: 1; }

@media (max-width: 768px) {
    .academy-section .section-content { grid-template-columns: 1fr; gap: 40px; }
    .academy-section .content-left, 
    .academy-section .content-right { grid-column: auto; }
}

/* 案例研究网格 */
.case-studies {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    position: relative;
}

/* 视频案例网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.video-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.video-card video,
.video-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    display: block;
}

.video-title {
    font-size: 14px;
    font-weight: 600;
    color: #262626;
    padding: 10px 12px 12px;
    margin: 0;
}

@media (max-width: 1024px) {
    .video-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .video-grid { grid-template-columns: 1fr; }
    .video-card video,
    .video-card img { height: 160px; }
}

/* 通用：移动端隐藏 */
@media (max-width: 768px) {
    .mobile-hidden { display: none !important; }
}

.case-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.case-image {
    height: 120px;
    overflow: hidden;
}

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

.case-content {
    padding: 16px;
}

.case-content h4 {
    font-size: 14px;
    font-weight: 600;
    color: #262626;
    margin-bottom: 6px;
    line-height: 1.4;
}

.case-content p {
    font-size: 12px;
    color: #666;
    margin-bottom: 8px;
}

.case-meta {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: #999;
}

.case-overlay {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(139, 92, 246, 0.9);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

/* 响应式设计 */
@media (min-width: 1920px) {
    .banner-content {
        max-width: 1200px;
    }
    
    .banner-title {
        font-size: 40px;
    }
    
    .banner-subtitle {
        font-size: 24px;
    }
    
    .feature-cards {
        max-width: 1000px;
        gap: 32px;
    }
    
    .feature-card {
        padding: 28px;
    }
    
    .card-text {
        font-size: 18px;
    }
    
    .banner-cta {
        padding: 20px 40px;
        font-size: 20px;
        gap: 10px;
    }
    
    .banner-cta i {
        font-size: 18px;
    }
}

@media (max-width: 1024px) {
    .banner-title {
        font-size: 40px;
    }
    
    .banner-subtitle {
        font-size: 18px;
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .workflow-cards {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .section-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .case-studies {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .banner-section {
        padding: 60px 0;
        min-height: 80vh;
    }
    
    .banner-title {
        font-size: 32px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .banner-tagline {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .feature-card {
        padding: 20px;
    }
    
    .card-text {
        font-size: 14px;
    }
    
    .banner-cta {
        padding: 14px 28px;
        font-size: 16px;
        gap: 6px;
    }
    
    .banner-cta i {
        font-size: 14px;
    }
    
    .main-content {
        padding: 0;
    }
    
    .recommended-section {
        padding: 20px 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .workflow-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .feature-icons {
        flex-direction: column;
        gap: 16px;
    }
    
    .case-studies {
        grid-template-columns: 1fr;
    }
    
}

@media (max-width: 480px) {
    .banner-section {
        padding: 40px 0;
        min-height: 70vh;
    }
    
    .banner-title {
        font-size: 24px;
    }
    
    .banner-subtitle {
        font-size: 14px;
    }
    
    .banner-tagline {
        font-size: 11px;
        padding: 4px 8px;
    }
    
    .feature-card {
        padding: 16px;
    }
    
    .card-text {
        font-size: 13px;
    }
    
    .banner-cta {
        padding: 12px 24px;
        font-size: 14px;
        gap: 4px;
    }
    
    .banner-cta i {
        font-size: 12px;
    }
    
    .workflow-cards {
        grid-template-columns: 1fr;
    }
    
    
    .section-title {
        font-size: 20px;
    }
    
    .content-left .section-title {
        font-size: 28px;
    }
}

/* 动画效果 */
.workflow-card, .case-card {
    animation: fadeInUp 0.6s ease forwards;
}

.workflow-card:nth-child(1) { animation-delay: 0.1s; }
.workflow-card:nth-child(2) { animation-delay: 0.2s; }
.workflow-card:nth-child(3) { animation-delay: 0.3s; }
.workflow-card:nth-child(4) { animation-delay: 0.4s; }

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