/* ============================================================
   Why Choose / Benefits 优势与收益 —— 与 services.html 源码样式一致
   ============================================================ */

.qing-why-box {
    --blue: #1b3df5;
    --navy: #0b1a3a;
    --muted: #6b7891;
    --bg-soft: #f4f6fb;
    --border: #e4e8f0;
    font-family: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    padding: 64px 0;
}

.qing-why-box *,
.qing-why-box *::before,
.qing-why-box *::after { box-sizing: border-box; }

.qing-why-box .container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 50px;
}

/* ---------- 外框 ---------- */
.qing-why-box .why-box {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 46px 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    box-shadow: 0 10px 30px rgba(13, 30, 70, .08);
}

.qing-why-box .why-col h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--navy);
    margin: 0 0 26px;
}

/* ---------- 左侧清单 ---------- */
.qing-why-box .why-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.qing-why-box .why-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14.5px;
    color: #3a4762;
}

.qing-why-box .why-list svg {
    width: 19px;
    height: 19px;
    flex-shrink: 0;
    color: var(--blue);
}

.qing-why-box .why-list i {
    font-size: 19px;
    line-height: 1;
    flex-shrink: 0;
    color: var(--blue);
}

/* ---------- 右侧收益网格 ---------- */
.qing-why-box .benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.qing-why-box .benefit {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 26px 12px;
    text-align: center;
}

.qing-why-box .benefit-num {
    font-size: 30px;
    font-weight: 700;
    color: var(--blue);
    line-height: 1;
    margin-bottom: 12px;
}

.qing-why-box .benefit-num span {
    font-size: 20px;
}

.qing-why-box .benefit-label {
    font-size: 12.5px;
    color: var(--muted);
    line-height: 1.35;
}

/* ---------- 响应式 ---------- */
@media (max-width: 560px) {
    .qing-why-box { padding: 44px 0; }
    .qing-why-box .container { padding: 0 15px; }
    .qing-why-box .why-box {
        grid-template-columns: 1fr;
        gap: 34px;
        padding: 30px 22px;
    }
}