/**
 * dissolved-gas-oil-dga-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
 */

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

/* ========== 双栏引言（流体化） ========== */
.dga-dual-col {
    padding: 88px 0 0;
    background-color: #ffffff;
    box-sizing: border-box;
}

.dga-dual-col-inner {
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 40px 88px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 100px;
    box-sizing: border-box;
}

.dga-dual-col-main,
.dga-dual-col-side {
    flex: 1 1 0;
    max-width: min(780px, 100%);
    min-width: 0;
    color: #132a3e;
}

.dga-dual-col-main p,
.dga-dual-col-side p {
    font-size: 18px;
    line-height: 1.8;
    color: #132a3e;
    margin: 0;
}

/* ========== 图文分栏（公共 calibration-m1-* + 本页 .dga-measure-split） ========== */
.dga-measure-split {
    padding: 48px 0 40px;
    background: #ffffff;
}

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

.dga-measure-split--tight-top {
    /* 图文间距 136：外层上 48 + 内层 48 + 上块下 40 */
}

/* ========== 我们的 DGA 在线监测优势（三列，#00233D，文案居中） ========== */
.dga-advantages {
    padding: 72px 0 88px;
    background-color: #00233D;
    box-sizing: border-box;
}

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

.dga-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;
}

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

.dga-advantages-card {
    text-align: center;
    max-width: 540px;
    margin: 0 auto;
}

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

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

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

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

/* 文案：≤1679 用 --kyd-text-scale；≥1680 定稿 */
@media screen and (max-width: 1679px) {
    .dga-dual-col-main p,
    .dga-dual-col-side p {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(16px * var(--kyd-text-scale, 1)));
    }
    .dga-m1-subhead {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(18px * var(--kyd-text-scale, 1)));
    }
    .dga-advantages-title {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(42px * var(--kyd-text-scale, 1)));
    }
    .dga-advantages-card h3 {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(22px * var(--kyd-text-scale, 1)));
    }
    .dga-advantages-card p {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(16px * var(--kyd-text-scale, 1)));
    }
    .dga-products .rs-loading,
    .dga-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) {
    .dga-dual-col-inner {
        padding-left: 36px;
        padding-right: 36px;
        gap: 56px;
    }
    .dga-advantages-inner {
        padding-left: 36px;
        padding-right: 36px;
    }
}

/* Mid 1025～1439 */
@media screen and (min-width: 1025px) and (max-width: 1439px) {
    .dga-dual-col-inner {
        padding-left: 28px;
        padding-right: 28px;
        gap: 40px;
    }
    .dga-advantages-inner {
        padding-left: 28px;
        padding-right: 28px;
    }
}

/* Small 768～1024（原 ≤900） */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    .dga-dual-col {
        padding: 56px 0 40px;
    }
    .dga-dual-col-inner {
        flex-direction: column;
        gap: 32px;
        padding-left: 24px;
        padding-right: 24px;
    }
    .dga-dual-col-main,
    .dga-dual-col-side {
        max-width: none;
        width: 100%;
    }
    .dga-measure-split--first {
        padding: 64px 0 40px;
    }
    .dga-advantages {
        padding: 64px 0;
    }
    .dga-advantages-inner {
        padding-left: 24px;
        padding-right: 24px;
    }
    .dga-advantages-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .dga-advantages-card {
        max-width: none;
    }
    .dga-products {
        padding: 64px 0;
    }
}

/* Phone ≤767 */
@media screen and (max-width: 767px) {
    .dga-dual-col {
        padding: 40px 0 32px;
    }
    .dga-dual-col-inner {
        flex-direction: column;
        gap: 24px;
        padding-left: 16px;
        padding-right: 16px;
    }
    .dga-measure-split {
        padding: 28px 0 32px;
    }
    .dga-measure-split--first {
        padding: 48px 0 32px;
    }
    .dga-advantages {
        padding: 48px 0;
    }
    .dga-advantages-inner {
        padding-left: 16px;
        padding-right: 16px;
    }
    .dga-advantages-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .dga-products {
        padding: 48px 0;
    }
}