/* --- 关于我们重构：精美、有序、适配全站 --- */

.tp20 { margin-top: 20px; }
.tp40 { margin-top: 40px; }
.tp60 { margin-top: 60px; }
.mb60 { margin-bottom: 60px; }

/* Banner 1200*360 严格容器 */
.nqi-banner-wrapper {
    width: 1200px;
    height: 360px;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
}
.nqi-banner-wrapper img { width: 100%; height: 100%; object-fit: cover; }
.nqi-banner-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    align-items: center;
}
.nqi-banner-content { padding-left: 60px; color: #fff; }
.nqi-banner-content h1 { font-size: 40px; font-weight: bold; margin-bottom: 15px; letter-spacing: 2px; }
.nqi-banner-content p { font-size: 20px; opacity: 0.9; font-weight: 300; }

/* 页面大标题 */
.nqi-main-title { text-align: center; margin-bottom: 40px; position: relative; }
.nqi-main-title h2 { font-size: 30px; color: #333; font-weight: bold; margin-bottom: 5px; }
.nqi-main-title small { font-size: 14px; color: #99aabc; text-transform: uppercase; letter-spacing: 1px; }
.nqi-main-title::after {
    content: ""; width: 40px; height: 3px; background: #1677ff; 
    display: block; margin: 15px auto 0;
}

/* 平台定位文字 */
.nqi-intro-box {
    max-width: 1000px;
    margin: 0 auto;
    line-height: 2.2;
    color: #555;
    font-size: 17px;
    text-align: justify;
}
.nqi-intro-box p { margin-bottom: 20px; }
.nqi-intro-box strong { color: #1677ff; }

/* 核心职能网格 */
.nqi-service-grid { display: flex; gap: 30px; }
.service-card {
    flex: 1;
    background: #fff;
    padding: 40px 30px;
    border: 1px solid #f0f2f5;
    text-align: center;
    transition: all 0.3s ease;
}
.service-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.05); border-color: #1677ff; }
.icon-wrap {
    width: 60px; height: 60px; background: #f0f7ff; color: #1677ff;
    border-radius: 50%; margin: 0 auto 25px;
    line-height: 60px; font-size: 24px; font-family: "Arial"; font-weight: bold;
}
.service-card h4 { font-size: 20px; color: #333; margin-bottom: 15px; font-weight: bold; }
.service-card p { font-size: 15px; color: #777; line-height: 1.6; }

/* 青岛方案扁平化块 */
.solution-flat-box {
    background: #f8f9fb;
    border-radius: 8px;
    padding: 50px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.sol-left { flex: 1; }
.sol-left h3 { font-size: 26px; color: #1677ff; margin-bottom: 15px; font-weight: bold; }
.sol-left p { font-size: 16px; color: #666; max-width: 500px; }
.sol-right { display: flex; flex-direction: column; gap: 12px; }
.sol-tag {
    background: #fff; border: 1px solid #dce1e8;
    padding: 10px 25px; color: #4e5969; font-weight: bold;
    border-radius: 4px; text-align: center; min-width: 160px;
}