/* 解决方案综合页样式 */

:root {
    --sol-primary: #1677ff;
    --sol-primary-dark: #0958d9;
    --sol-bg-light: #f8fbff;
    --sol-text-dark: #2c3e50;
    --sol-text-muted: #7f8c8d;
    --sol-white: #ffffff;
    --sol-radius: 12px;
    --sol-shadow: 0 4px 16px rgba(0,0,0,0.06);
    --sol-shadow-hover: 0 8px 28px rgba(22, 119, 255, 0.15);
}

/* ===== Hero Banner ===== */
.sol-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fbff 0%, #e6f4ff 100%);
    position: relative;
    overflow: hidden;
}

.sol-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.sol-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(22, 119, 255, 0.1);
    color: var(--sol-primary);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.sol-hero h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--sol-text-dark);
    line-height: 1.25;
}

.sol-hero h1 em {
    color: #1a3a4a;
    font-style: normal;
}

.sol-hero-desc {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--sol-text-muted);
    margin-bottom: 32px;
}

.sol-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 36px;
}

.sol-hero-stat .num {
    font-size: 2.4rem;
    font-weight: 700;
    color: #1a3a4a;
    line-height: 1;
}

.sol-hero-stat .label {
    font-size: 0.95rem;
    color: var(--sol-text-muted);
    margin-top: 6px;
}

/* 装饰圆 */
.sol-hero::before,
.sol-hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.sol-hero::before {
    top: 15%;
    right: 8%;
    width: 220px;
    height: 220px;
    background: rgba(22, 119, 255, 0.05);
}

.sol-hero::after {
    bottom: 10%;
    right: 20%;
    width: 120px;
    height: 120px;
    background: rgba(22, 119, 255, 0.04);
}

/* ===== 通用 Section ===== */
.sol-section {
    padding: 80px 0;
}

.sol-section-head {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.sol-section-tag {
    display: inline-block;
    background: rgba(22, 119, 255, 0.08);
    color: var(--sol-primary);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

.sol-section-head h2 {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--sol-text-dark);
    margin-bottom: 14px;
    line-height: 1.3;
}

.sol-section-head p {
    font-size: 1.05rem;
    color: var(--sol-text-muted);
    line-height: 1.6;
}

/* ===== 场景方案卡片 ===== */
.sol-scenarios {
    background: var(--sol-bg-light);
}

.sol-scenario-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.sol-scenario-card {
    background: var(--sol-white);
    border: 1px solid #eef2f7;
    border-radius: var(--sol-radius);
    padding: 32px 28px;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.sol-scenario-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--sol-primary), #52c41a);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}

.sol-scenario-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sol-shadow-hover);
    border-color: rgba(22, 119, 255, 0.2);
    text-decoration: none;
}

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

.sol-scenario-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}

.sol-scenario-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--sol-text-dark);
    margin-bottom: 10px;
}

.sol-scenario-card .tagline {
    font-size: 0.92rem;
    color: var(--sol-primary);
    font-weight: 600;
    margin-bottom: 14px;
}

.sol-scenario-card .desc {
    font-size: 0.95rem;
    color: var(--sol-text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.sol-scenario-card .points {
    list-style: none;
    margin-bottom: 24px;
}

.sol-scenario-card .points li {
    font-size: 0.9rem;
    color: var(--sol-text-muted);
    padding: 5px 0 5px 22px;
    position: relative;
}

.sol-scenario-card .points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--sol-primary);
    font-weight: 700;
}

.sol-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--sol-primary);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: gap 0.3s;
    margin-top: 16px;
}

.sol-card-link:hover {
    gap: 10px;
}

/* ===== 行业方案 ===== */
.sol-industries {
    background: var(--sol-white);
}

.sol-industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sol-industry-card {
    background: var(--sol-white);
    border-radius: var(--sol-radius);
    padding: 30px 26px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.sol-industry-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sol-shadow-hover);
    text-decoration: none;
    color: inherit;
}

.sol-industry-card .ihead {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.sol-industry-card .iicon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.sol-industry-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sol-text-dark);
    margin: 0;
}

.sol-industry-card .itagline {
    font-size: 0.92rem;
    color: var(--sol-text-muted);
    line-height: 1.5;
    margin-bottom: 16px;
}

.sol-industry-card .ichallenges {
    font-size: 0.86rem;
    color: var(--sol-text-muted);
    line-height: 1.6;
}

.sol-industry-card .ichallenges strong {
    color: var(--sol-text-dark);
}

/* ===== 核心价值 ===== */
.sol-values {
    background: var(--sol-white);
}

.sol-value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.sol-value-card {
    background: var(--sol-bg-light);
    border-radius: var(--sol-radius);
    padding: 32px 24px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid transparent;
}

.sol-value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sol-shadow);
    border-color: rgba(22, 119, 255, 0.15);
}

.sol-value-card .vicon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--sol-white);
    background: linear-gradient(135deg, var(--sol-primary), var(--sol-primary-dark));
}

.sol-value-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--sol-text-dark);
    margin-bottom: 10px;
}

.sol-value-card p {
    font-size: 0.92rem;
    color: var(--sol-text-muted);
    line-height: 1.6;
}

/* ===== 滚动动画 ===== */
.sol-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.sol-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .sol-scenario-grid,
    .sol-industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .sol-value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 680px) {
    .sol-hero {
        padding: 100px 0 60px;
    }
    .sol-hero-stats {
        gap: 24px;
    }
    .sol-hero-stat .num {
        font-size: 1.8rem;
    }
    .sol-section {
        padding: 56px 0;
    }
    .sol-scenario-grid,
    .sol-industry-grid,
    .sol-value-grid {
        grid-template-columns: 1fr;
    }
}