/* ========== Banner 区域样式开始 ========== */
.banner {
    position: relative;
    overflow: hidden;
}

.banner-content {
    position: absolute;
    left: 15%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    color: white;
}

/* ========== Banner 区域样式结束 ========== */

/* ========== 图片区域样式开始 ========== */
section {
    width: 100%;
}

.customer-showcase {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 60px 24px 80px;
    background-color: #ffffff;
    box-sizing: border-box;
}

.showcase-header h3 {
    font-size: clamp(26px, 5vw, 36px);
    color: #1e466e;
    font-weight: 700;
    letter-spacing: -0.3px;
    position: relative;
    display: inline-block;
    padding-bottom: 14px;
    margin-bottom: 12px;
}

.customer-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px 24px;
    margin-top: 20px;
    width: 100%;
}

.customer-card {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.02);
    transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.3s ease;
    text-align: center;
    padding-bottom: 20px;
    border: 1px solid #eff2f8;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.customer-card:hover {
    transform: scale(1.03);
    box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.12);
    border-color: #e0e7f0;
}

.customer-card h3 {
    font-size: clamp(14px, 4vw, 16px);
    font-weight: 600;
    margin: 22px 16px 8px;
    color: #1a2c3e;
    line-height: 1.35;
    letter-spacing: -0.2px;
}

/* ========== 图片区域样式结束 ========== */