/* 短视频AI工具页面样式 */
.ai-hero {
    min-height: 500px;
    background: linear-gradient(135deg, #0c0c1e 0%, #1a1a3e 50%, #2d1b4e 100%);
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}
.ai-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(99,102,241,0.15) 0%, transparent 70%);
}
.ai-hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 80%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(168,85,247,0.1) 0%, transparent 60%);
}
.ai-hero .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}
.ai-hero-content {
    max-width: 100%;
}
.ai-hero-content .section-tag {
    color: #a855f7;
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 15px;
    display: block;
}
.ai-hero-content h1 {
    font-size: 42px;
    color: #ffffff;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.3;
}
.ai-hero-content h1 span {
    background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ai-hero-content p {
    color: rgba(255,255,255,0.7);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
}
.ai-hero-image {
    width: 400px;
    height: 300px;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(168,85,247,0.2));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 1px solid rgba(168,85,247,0.3);
}
.ai-hero-image i {
    font-size: 80px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* AI工具区域 */
.ai-tools {
    padding: 80px 0;
    background: #ffffff;
}
.ai-tools .section-header {
    text-align: center;
    margin-bottom: 50px;
}
.ai-tools .section-tag {
    color: #6366f1;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.ai-tools .section-title {
    font-size: 32px;
    color: #333333;
    font-weight: bold;
}
.ai-tools .section-desc {
    color: #666666;
    font-size: 15px;
    margin-top: 15px;
}
.ai-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.ai-card {
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f1ff 100%);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}
.ai-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #a855f7, #ec4899);
    opacity: 0;
    transition: opacity 0.3s;
}
.ai-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(99,102,241,0.15);
    border-color: rgba(99,102,241,0.2);
}
.ai-card:hover::before {
    opacity: 1;
}
.ai-card .card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}
.ai-card .card-icon i {
    font-size: 32px;
    color: #ffffff;
}
.ai-card h3 {
    font-size: 20px;
    color: #333333;
    font-weight: bold;
    margin-bottom: 15px;
}
.ai-card p {
    color: #666666;
    font-size: 14px;
    line-height: 1.8;
}
.ai-card .tag {
    display: inline-block;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #ffffff;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    margin-top: 15px;
}

/* 核心能力区域 */
.ai-capabilities {
    padding: 80px 0;
    background: linear-gradient(135deg, #0c0c1e 0%, #1a1a3e 100%);
}
.ai-capabilities .section-header {
    text-align: center;
    margin-bottom: 50px;
}
.ai-capabilities .section-tag {
    color: #a855f7;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.ai-capabilities .section-title {
    font-size: 32px;
    color: #ffffff;
    font-weight: bold;
}
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}
.capability-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(168,85,247,0.2);
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    transition: all 0.3s;
}
.capability-item:hover {
    background: rgba(168,85,247,0.1);
    border-color: rgba(168,85,247,0.4);
    transform: translateY(-5px);
}
.capability-item i {
    font-size: 45px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    display: block;
}
.capability-item .capability-img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    display: block;
    margin: 0 auto 20px;
    border-radius: 10px;
}
.capability-item h4 {
    font-size: 18px;
    color: #ffffff;
    font-weight: bold;
    margin-bottom: 10px;
}
.capability-item p {
    color: rgba(255,255,255,0.6);
    font-size: 13px;
    line-height: 1.6;
}

/* 应用场景 */
.ai-scenarios {
    padding: 80px 0;
    background: #f8f9ff;
}
.ai-scenarios .section-header {
    text-align: center;
    margin-bottom: 50px;
}
.ai-scenarios .section-tag {
    color: #6366f1;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.ai-scenarios .section-title {
    font-size: 32px;
    color: #333333;
    font-weight: bold;
}
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.scenario-card {
    display: flex;
    gap: 25px;
    padding: 35px;
    background: #ffffff;
    border-radius: 20px;
    transition: all 0.3s;
    border: 1px solid #eee;
}
.scenario-card:hover {
    box-shadow: 0 15px 40px rgba(99,102,241,0.1);
    border-color: rgba(99,102,241,0.2);
}
.scenario-card .scenario-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.scenario-card .scenario-icon i {
    font-size: 28px;
    color: #ffffff;
}
.scenario-card .scenario-content h4 {
    font-size: 20px;
    color: #333333;
    font-weight: bold;
    margin-bottom: 12px;
}
.scenario-card .scenario-content p {
    color: #666666;
    font-size: 14px;
    line-height: 1.8;
}

/* 使用流程 */
.ai-process {
    padding: 80px 0;
    background: #ffffff;
}
.ai-process .section-header {
    text-align: center;
    margin-bottom: 50px;
}
.ai-process .section-tag {
    color: #6366f1;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}
.ai-process .section-title {
    font-size: 32px;
    color: #333333;
    font-weight: bold;
}
.process-flow {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}
.process-flow::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12%;
    right: 12%;
    height: 3px;
    background: linear-gradient(90deg, #6366f1, #a855f7, #ec4899);
    border-radius: 2px;
}
.flow-step {
    text-align: center;
    position: relative;
    flex: 1;
}
.flow-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
    box-shadow: 0 10px 30px rgba(99,102,241,0.3);
}
.flow-icon i {
    font-size: 28px;
    color: #ffffff;
}
.flow-step h4 {
    font-size: 16px;
    color: #333333;
    font-weight: bold;
    margin-bottom: 8px;
}
.flow-step p {
    color: #666666;
    font-size: 13px;
}

/* CTA区域 */
.ai-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.ai-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 50%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.1) 0%, transparent 60%);
}
.ai-cta h2 {
    font-size: 36px;
    color: #ffffff;
    font-weight: bold;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}
.ai-cta p {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}
.ai-cta .btn-white {
    display: inline-block;
    background: #ffffff;
    color: #6366f1;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s;
    position: relative;
    z-index: 1;
}
.ai-cta .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

@media (max-width: 1024px) {
    .ai-cards { grid-template-columns: repeat(2, 1fr); }
    .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
    .scenarios-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .ai-hero .container { flex-direction: column; text-align: center; }
    .ai-hero-content h1 { font-size: 32px; }
    .ai-hero-image { display: none; }
    .ai-cards { grid-template-columns: 1fr; }
    .capabilities-grid { grid-template-columns: 1fr; }
    .process-flow { flex-direction: column; gap: 30px; }
    .process-flow::before { display: none; }
}