/* 通用章节样式 */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0,102,255,0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--text);
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* 特性部分 */
.features-section {
    padding-top: 120px;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.feature-card ul {
    list-style: none;
}

.feature-card ul li {
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.feature-card ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* 解决方案部分 */
.solutions-section {
    padding-top: 120px;
    background: var(--bg-light);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.solution-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.solution-icon i {
    font-size: 1.8rem;
    color: white;
}

.solution-content h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.solution-content ul {
    list-style: none;
    margin-bottom: 24px;
}

.solution-content ul li {
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.solution-content ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary);
}

.learn-more {
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    transition: gap 0.3s ease;
}

.learn-more:hover {
    gap: 12px;
}

/* 工作流程部分 */
.workflow-section {
    padding-top: 120px;
    padding-bottom: 120px;
    background: white;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

.workflow-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto 24px;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.step-content img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

/* 价格方案部分 */
.pricing-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 0.9rem;
}

.pricing-header {
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.price span {
    font-size: 1rem;
    opacity: 0.7;
}

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

.pricing-features {
    list-style: none;
    margin: 32px 0;
    text-align: left;
}

.pricing-features li {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features i {
    color: #4CAF50;
    font-size: 1.1rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .features-grid,
    .solutions-grid,
    .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .pricing-card.featured {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 2rem;
    }

    .features-grid,
    .solutions-grid,
    .workflow-steps {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        grid-column: auto;
        transform: none;
    }

    .workflow-step {
        padding: 0 20px;
    }

    .features-section,
    .solutions-section,
    .workflow-section,
    .pricing-section {
        padding: 80px 0;
    }
}