/**
 * freon-measurement.htm — 仅页面特有样式
 * Banner / 图文分栏 / 产品栅格五档已上收：
 *   page-banner-standard.css · shared-split-m1.css · product-card-standard.css
 */

.frn-page {
    background-color: #ffffff;
}

/* ========== 图文分栏：Banner→首块 88px；块间距 136px ========== */
.frn-measure-split {
    padding: 48px 0 40px;
    background: #ffffff;
}

.frn-measure-split > .calibration-m1-content.frn-m1-content {
    padding-bottom: 0;
}

.frn-measure-split--first {
    padding: 88px 0 40px;
}

.frn-measure-split--first > .calibration-m1-content.frn-m1-content {
    padding-top: 0;
}

.frn-measure-split--tight-top {
    /* 不再清零顶距，保留外层 48 + 内层 48，与上块下 40 + 外层上 48 + 内层 48 合计 136 */
}

.frn-m1-subhead {
    font-size: 18px;
    font-weight: 600;
    color: #132a3e;
    margin: 16px 0 12px 0;
    line-height: 1.5;
}

/* frn-m1-list 方点列表见 shared-split-m1.css */

/* ========== 我们的技术优势（三列，#00233D，文案居中） ========== */
.frn-advantages {
    padding: 72px 0;
    background-color: #00233D;
    box-sizing: border-box;
}

.frn-advantages-inner {
    max-width: 1720px;
    margin: 0 auto;
    padding: 0 48px;
    box-sizing: border-box;
}

.frn-advantages-title {
    font-size: 42px;
    font-family: "HarmonyOS Sans SC Light", sans-serif;
    font-weight: normal;
    color: #ffffff;
    text-align: center;
    margin: 0 0 48px 0;
    line-height: 1.25;
}

.frn-advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 48px 40px;
}

.frn-advantages-card {
    text-align: center;
    max-width: 460px;
    margin: 0 auto;
}

.frn-advantages-card h3 {
    margin: 0 0 16px 0;
    font-size: 22px;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.35;
}

.frn-advantages-card p {
    margin: 0;
    font-size: 16px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.95);
    text-align: center;
}

/* ========== 相关产品 ========== */
.frn-products {
    padding: 88px 0;
    background-color: #ffffff;
    box-sizing: border-box;
}

.frn-products .rs-loading,
.frn-products .rs-empty {
    text-align: center;
    color: #666666;
    font-size: 16px;
    padding: 12px 0;
}

.frn-products .rs-card-img {
    background-color: #e6e6e6;
}

/* 文案：≤1679 用 --kyd-text-scale；≥1680 定稿 */
@media screen and (max-width: 1679px) {
    .frn-m1-subhead {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(18px * var(--kyd-text-scale, 1)));
    }
    .frn-advantages-title {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(42px * var(--kyd-text-scale, 1)));
    }
    .frn-advantages-card h3 {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(22px * var(--kyd-text-scale, 1)));
    }
    .frn-advantages-card p {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(16px * var(--kyd-text-scale, 1)));
    }
    .frn-products .rs-loading,
    .frn-products .rs-empty {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(16px * var(--kyd-text-scale, 1)));
    }
}

/* Large 1440～1679 */
@media screen and (min-width: 1440px) and (max-width: 1679px) {
    .frn-advantages-inner {
        padding-left: 36px;
        padding-right: 36px;
    }
}

/* Mid 1025～1439 */
@media screen and (min-width: 1025px) and (max-width: 1439px) {
    .frn-advantages-inner {
        padding-left: 28px;
        padding-right: 28px;
    }
}

/* Small 768～1024（原 ≤900） */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    .frn-measure-split--first {
        padding: 64px 0 40px;
    }
    .frn-advantages {
        padding: 64px 0;
    }
    .frn-advantages-inner {
        padding-left: 24px;
        padding-right: 24px;
    }
    .frn-advantages-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .frn-advantages-card {
        max-width: none;
    }
    .frn-products {
        padding: 64px 0;
    }
}

/* Phone ≤767 */
@media screen and (max-width: 767px) {
    .frn-measure-split {
        padding: 28px 0 32px;
    }
    .frn-measure-split--first {
        padding: 48px 0 32px;
    }
    .frn-advantages {
        padding: 48px 0;
    }
    .frn-advantages-inner {
        padding-left: 16px;
        padding-right: 16px;
    }
    .frn-advantages-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .frn-products {
        padding: 48px 0;
    }
}