/* ============ 客户案例页 ============ */

/* 数据统计 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(14, 107, 176, 0.25);
}

.stat-item {
    text-align: center;
    color: #fff;
    padding: 20px 10px;
    border-right: 1px solid rgba(255,255,255,0.15);
}

.stat-item:last-child {
    border-right: none;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.stat-value {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    letter-spacing: 2px;
}

@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 30px 20px;
    }
    .stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.15);
        padding: 20px;
    }
    .stat-item:nth-child(3), .stat-item:nth-child(4) {
        border-bottom: none;
    }
    .stat-value { font-size: 36px; }
}

/* 案例分块 */
.case-block {
    margin-bottom: 60px;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border);
}

.case-block-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--primary-lighter);
}

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

.case-card {
    background: #fff;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid var(--border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(14, 107, 176, 0.22);
    border-color: transparent;
}

/* 图片区域 */
.case-card-image {
    width: 100%;
    height: 180px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    border-bottom: 3px solid var(--primary);
}

.case-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14, 107, 176, 0.0) 40%, rgba(14, 107, 176, 0.25) 100%);
    pointer-events: none;
}

.case-card-body {
    padding: 24px 22px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 999px;
    margin-bottom: 14px;
    letter-spacing: 1px;
    align-self: flex-start;
}

.case-card-body h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 10px;
}

.case-card-body p {
    font-size: 13.5px;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 640px) {
    .case-card-image { height: 160px; }
}

@media (max-width: 1024px) {
    .case-grid { grid-template-columns: repeat(2, 1fr); }
    .case-block { padding: 30px 24px; }
}

@media (max-width: 640px) {
    .case-grid { grid-template-columns: 1fr; }
    .case-block-title { font-size: 20px; }
}

/* 客户评价 */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    position: relative;
    padding: 40px 32px 32px;
    background: #fff;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.testimonial-quote {
    position: absolute;
    top: -10px;
    left: 30px;
    font-size: 120px;
    font-family: Georgia, serif;
    color: var(--primary-lighter);
    line-height: 1;
    font-weight: 700;
    transition: var(--transition);
}

.testimonial-card:hover .testimonial-quote {
    color: var(--primary);
    opacity: 0.3;
}

.testimonial-card p {
    font-size: 15px;
    color: var(--text-regular);
    line-height: 1.9;
    margin-bottom: 28px;
    position: relative;
    z-index: 2;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.testimonial-author h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 4px;
}

.testimonial-author span {
    font-size: 13px;
    color: var(--text-light);
}

@media (max-width: 1024px) {
    .testimonial-grid { grid-template-columns: 1fr; }
}

/* CTA */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 0;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-content h2 {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    margin: 0;
}

.cta-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

@media (max-width: 900px) {
    .cta-inner { flex-direction: column; text-align: center; padding: 60px 0; }
    .cta-content h2 { font-size: 28px; }
}