/* 主页专用样式 */

/* 痛点分析 */
.pain-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.pain-point {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.pain-point:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.pain-point i {
    font-size: 2rem;
    color: #e74c3c;
    margin-bottom: 1rem;
}

.pain-point h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

/* 解决方案网格 */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.solution-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(45deg, #667eea, #764ba2);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.solution-card i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1.5rem;
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.solution-card ul {
    list-style: none;
    text-align: left;
}

.solution-card li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.solution-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* 产品展示 */
.phase-section {
    margin: 4rem 0;
}

.phase-title {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    text-align: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.product-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    border-color: #667eea;
}

.product-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.product-header i {
    font-size: 2rem;
    color: #667eea;
    margin-right: 1rem;
}

.product-header h4 {
    font-size: 1.3rem;
    color: #333;
}

.product-desc {
    color: #666;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.product-features h5 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.product-features ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.3rem 0;
    padding-left: 1.2rem;
    position: relative;
    color: #555;
}

.product-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 价值体现 */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.value-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.value-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #667eea;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.value-card ul {
    list-style: none;
    text-align: left;
}

.value-card li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.value-card li:last-child {
    border-bottom: none;
}

.value-card strong {
    color: #667eea;
}

/* 优势展示 */
.advantages-section {
    margin-top: 4rem;
}

.advantages-section h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #333;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.advantage-item i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.advantage-item h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

/* 技术架构 */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.tech-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.tech-card i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1.5rem;
}

.tech-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: #333;
}

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

.tech-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #555;
}

.tech-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.2rem;
}

.tech-card strong {
    color: #333;
}

/* 实施建议 */
.implementation-content {
    max-width: 1000px;
    margin: 0 auto;
}

.phase-implementation h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #333;
}

.phases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.phase-item {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: all 0.3s ease;
}

.phase-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.phase-number {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.phase-content h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.phase-content ul {
    list-style: none;
}

.phase-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #555;
}

.phase-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* 风险控制 */
.risk-control {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.risk-control h3 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #333;
}

.risk-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.risk-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.risk-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.risk-item i {
    font-size: 1.5rem;
    color: #27ae60;
    margin-right: 1rem;
}

/* 方案总结 */
.summary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.summary .section-title {
    color: white;
}

.summary .section-title::after {
    background: #FFD700;
}

.summary-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.summary-content > p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.summary-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-item {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 2.5rem;
    color: #FFD700;
    margin-bottom: 1rem;
}

.feature-item h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.recommendation {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 15px;
    margin-top: 3rem;
    backdrop-filter: blur(10px);
}

.recommendation p {
    font-size: 1.3rem;
    font-weight: 600;
    color: #FFD700;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .solution-grid,
    .product-grid,
    .value-grid,
    .tech-grid,
    .phases {
        grid-template-columns: 1fr;
    }
    
    .pain-points,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}