/* 解决方案页面专用样式 */

/* Hero区域 */
.solutions-hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 50%, #0d1b2a 100%);
    overflow: hidden;
    padding: 120px 0 80px;
}

.solutions-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(244,162,97,0.1)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(244, 162, 97, 0.15);
    border: 1px solid rgba(244, 162, 97, 0.3);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.solutions-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}

/* 解决方案网格 */
.solutions-grid-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(30, 58, 95, 0.1);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

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

/* 解决方案卡片 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.solution-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

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

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), #e8954f);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.solution-card:hover::before {
    transform: scaleX(1);
}

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

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.solution-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 30px;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.card-icon i {
    font-size: 1.5rem;
    color: white;
}

.card-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.card-content p {
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 20px;
}

.card-features {
    list-style: none;
    margin-bottom: 24px;
}

.card-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--text-medium);
    font-size: 0.95rem;
}

.card-features li i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: gap 0.3s ease;
}

.card-link:hover {
    gap: 12px;
}

/* 核心优势 */
.advantages-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3a5f 0%, #2a4a73 100%);
    color: white;
}

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

.advantages-section .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: rgba(244, 162, 97, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.advantage-icon i {
    font-size: 2rem;
    color: var(--accent-color);
}

.advantage-item h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.advantage-item p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* CTA区域 */
.cta-section {
    padding: 100px 0;
    background: var(--accent-color);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-white {
    background: white;
    color: var(--accent-color);
    padding: 16px 40px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-outline-white {
    background: transparent;
    color: white;
    padding: 16px 40px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid white;
    transition: all 0.3s ease;
}

.btn-outline-white:hover {
    background: white;
    color: var(--accent-color);
}

/* 解决方案导航栏 */
.solutions-nav {
    position: sticky;
    top: 70px;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
    padding: 15px 0;
}

.solutions-nav-list {
    display: flex;
    justify-content: center;
    gap: 10px;
    list-style: none;
    flex-wrap: wrap;
}

.solutions-nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    transition: all 0.3s ease;
    background: var(--bg-light);
}

.solutions-nav-link:hover,
.solutions-nav-link.active {
    background: var(--primary-color);
    color: white;
}

.solutions-nav-link i {
    font-size: 1rem;
}

/* 解决方案详情区块 */
.solution-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.solution-section:nth-child(even) {
    background: var(--bg-light);
}

.solution-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.solution-header-content {
    max-width: 600px;
}

.solution-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), #e8954f);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.solution-icon-large i {
    font-size: 2.5rem;
    color: white;
}

.solution-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.solution-header p {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.8;
}

.solution-header-visual {
    position: relative;
}

.solution-header-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.solution-header-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 区块副标题 */
.section-subtitle {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
}

.section-subtitle h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

.subtitle-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-color), transparent);
}

/* 特性网格 */
.solution-features {
    margin-bottom: 60px;
}

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

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.feature-card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card-icon i {
    font-size: 1.25rem;
    color: white;
}

.feature-card h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 适用产品 */
.solution-products {
    margin-bottom: 60px;
}

.products-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-mini-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.product-mini-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.product-mini-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color), #e8954f);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.product-mini-icon i {
    font-size: 1.25rem;
    color: white;
}

.product-mini-card h4 {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.product-mini-card p {
    color: var(--text-medium);
    font-size: 0.85rem;
}

/* 成功案例 */
.solution-cases {
    margin-bottom: 60px;
}

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

.case-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.case-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.05);
}

.case-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--accent-color);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.case-content {
    padding: 25px;
}

.case-content h4 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 600;
}

.case-content p {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 客户评价 */
.solution-testimonials {
    margin-top: 40px;
}

.testimonial-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.testimonial-avatar {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testimonial-avatar i {
    font-size: 1.75rem;
    color: white;
}

.testimonial-content {
    flex: 1;
}

.testimonial-quote {
    font-size: 1.1rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.testimonial-author strong {
    color: var(--text-dark);
    font-weight: 600;
}

.testimonial-author span {
    color: var(--text-medium);
    font-size: 0.9rem;
}

.testimonial-rating {
    color: #ffc107;
    margin-left: auto;
}

.testimonial-rating i {
    margin-right: 3px;
}

/* Hero内容区域 */
.solutions-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.solutions-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(244, 162, 97, 0.15);
    border: 1px solid rgba(244, 162, 97, 0.3);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 24px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .solution-header {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .solution-header-visual {
        order: -1;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solutions-nav-list {
        gap: 8px;
    }
    
    .solutions-nav-link {
        padding: 8px 14px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .solutions-hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .solutions-hero h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .cta-section h2 {
        font-size: 1.8rem;
    }
    
    .solutions-nav {
        position: relative;
        top: 0;
    }
    
    .solutions-nav-list {
        flex-direction: column;
        gap: 8px;
    }
    
    .solutions-nav-link {
        width: 100%;
        justify-content: center;
    }
    
    .solution-header h2 {
        font-size: 1.8rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-rating {
        margin-left: 0;
        margin-top: 10px;
    }
}