/* 解决方案页面样式 */

/* 配色方案变量 */
:root {
    --solution-primary-1: var(--primary-color); /* 综合布线 - 使用网站主色调（紫色） */
    --solution-primary-2: #ff6600; /* 无线覆盖 - 橙色 */
    --solution-primary-3: #cc0000; /* 安防监控 - 红色 */
    --solution-primary-4: #009900; /* 机房建设 - 绿色 */
    --solution-primary-5: #6600cc; /* 系统集成 - 紫色 */
}

/* 解决方案介绍区域 */
.solution-intro {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

/* 不同主题的配色 */
.solution-theme-1 { --theme-color: var(--solution-primary-1); }
.solution-theme-2 { --theme-color: var(--solution-primary-2); }
.solution-theme-3 { --theme-color: var(--solution-primary-3); }
.solution-theme-4 { --theme-color: var(--solution-primary-4); }
.solution-theme-5 { --theme-color: var(--solution-primary-5); }

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

.solution-intro h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 20px;
}

.solution-intro p {
    font-size: 1.1rem;
    color: #6c757d;
    line-height: 1.8;
    margin-bottom: 30px;
}

/* 为什么需要解决方案 */
.why-solution {
    padding: 80px 0;
    background: white;
}

.why-solution-title {
    text-align: center;
    margin-bottom: 50px;
}

.why-solution-title h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 15px;
}

.why-solution-title p {
    font-size: 1.1rem;
    color: #6c757d;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.problem-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--theme-color, var(--primary-color)), rgba(0, 0, 0, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.problem-card {
    border-left-color: var(--theme-color, var(--primary-color));
}

.problem-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 10px;
}

.problem-card p {
    font-size: 0.95rem;
    color: #6c757d;
    line-height: 1.7;
    margin: 0;
}

/* 我们的优势 */
.our-advantages {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.advantages-title {
    text-align: center;
    margin-bottom: 50px;
}

.advantages-title h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 15px;
}

.advantages-title p {
    font-size: 1.1rem;
    color: #6c757d;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.advantage-card {
    background: white;
    border-radius: 12px;
    padding: 35px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--theme-color, var(--primary-color)), rgba(0, 0, 0, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 20px;
}

.advantage-card:hover {
    border-color: var(--theme-color, var(--primary-color));
}

.advantage-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 15px;
}

.advantage-card p {
    font-size: 0.95rem;
    color: #6c757d;
    line-height: 1.7;
    margin: 0;
}

/* 解决方案列表 */
.solution-list {
    padding: 80px 0;
    background: white;
}

.solution-list-title {
    text-align: center;
    margin-bottom: 50px;
}

.solution-list-title h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 15px;
}

.solution-list-title p {
    font-size: 1.1rem;
    color: #6c757d;
}

.solution-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* 3列布局（6个卡片，每行3个） */
.solution-cards.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* 2列布局（4个卡片，每行2个） */
.solution-cards.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* 图文混排布局 */
.solution-intro-with-image {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.solution-intro-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

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

/* 左右交替布局 */
.solution-alternate {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 60px;
}

.solution-alternate.reverse {
    direction: rtl;
}

.solution-alternate.reverse > * {
    direction: ltr;
}

.solution-alternate-image {
    border-radius: 12px;
    overflow: hidden;
}

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

.solution-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.solution-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: #f8f9fa;
}

.solution-card-body {
    padding: 25px;
}

.solution-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.solution-card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #212529;
    margin: 0;
    flex: 1;
}

.solution-card-badge {
    padding: 5px 12px;
    background: var(--theme-color, var(--primary-color));
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 10px;
}

.solution-card:hover {
    border-color: var(--theme-color, var(--primary-color));
}

.solution-card-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #6c757d;
}

.solution-card-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.solution-card-meta i {
    color: var(--primary-color);
}

.solution-card-description {
    font-size: 0.95rem;
    color: #6c757d;
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.solution-card-features {
    margin-bottom: 20px;
}

.solution-card-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.solution-card-features li {
    font-size: 0.9rem;
    color: #495057;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.solution-card-features li:before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--theme-color, var(--primary-color));
}

.solution-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #e9ecef;
}

.solution-card-link {
    color: var(--theme-color, var(--primary-color));
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.solution-card-link:hover {
    color: var(--theme-color, var(--primary-color));
    opacity: 0.8;
    text-decoration: underline;
}

/* 统计数据 */
.stats-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--theme-color, var(--primary-color)), rgba(0, 0, 0, 0.2));
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: white;
}

.stat-item p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

/* CTA区域 */
.solution-cta {
    padding: 80px 0;
    background: white;
    text-align: center;
}

.solution-cta h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 20px;
}

.solution-cta p {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 响应式设计 */
@media (max-width: 991.98px) {
    .solution-intro h2 {
        font-size: 2rem;
    }
    
    .why-solution-title h2,
    .advantages-title h2,
    .solution-list-title h2 {
        font-size: 1.8rem;
    }
    
    .problem-grid,
    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .solution-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 991.98px) {
    .solution-cards.grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-intro-with-image,
    .solution-alternate {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 991.98px) {
    .problem-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767.98px) {
    .solution-intro {
        padding: 40px 0;
    }
    
    .why-solution,
    .our-advantages,
    .solution-list {
        padding: 60px 0;
    }
    
    .solution-intro h2 {
        font-size: 1.75rem;
    }
    
    .problem-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item h3 {
        font-size: 2.5rem;
    }
    
    .solution-cards.grid-3,
    .solution-cards.grid-2 {
        grid-template-columns: 1fr;
    }
}