/**
 * solarPower.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
 */

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

/* ========== Tab：左竖向导航 + 右内容 ========== */
.sp-tabstack {
    padding: 72px 0;
    background-color: #e8eaed;
    box-sizing: border-box;
}

.sp-tabstack-shell {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 48px;
    box-sizing: border-box;
}

.sp-tabstack-frame {
    display: flex;
    align-items: stretch;
    min-height: 420px;
    background-color: #f0f2f5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(15, 34, 58, 0.08);
}

.sp-tabstack-nav {
    flex: 0 0 300px;
    max-width: 300px;
    background-color: #1a303d;
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
}

.sp-tabstack-tab {
    display: block;
    padding: 22px 20px 22px 22px;
    font-size: 16px;
    line-height: 1.45;
    color: #ffffff;
    text-decoration: none;
    cursor: pointer;
    border: none;
    border-left: 4px solid transparent;
    background-color: transparent;
    text-align: left;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    box-sizing: border-box;
}

.sp-tabstack-tab:hover {
    background-color: rgba(255, 255, 255, 0.06);
}

.sp-tabstack-tab.is-active {
    background-color: rgba(74, 144, 164, 0.35);
    border-left-color: #5ec8d8;
}

.sp-tabstack-panels {
    flex: 1;
    min-width: 0;
    background-color: #ffffff;
    padding: 40px 44px 48px;
    box-sizing: border-box;
}

.sp-tabstack-panel {
    display: none;
}

.sp-tabstack-panel.is-active {
    display: block;
}

.sp-panel-title {
    font-size: 28px;
    font-family: "HarmonyOS Sans SC Light";
    font-weight: normal;
    color: #132a3e;
    margin: 0 0 22px 0;
    line-height: 1.25;
}

.sp-panel-figure {
    margin: 0 0 24px 0;
}

.sp-panel-figure img {
    display: block;
    width: 100%;
    max-height: 380px;
    object-fit: cover;
    background-color: #e6e6e6;
}

.sp-panel-body p {
    font-size: 16px;
    line-height: 1.8;
    color: #333333;
    margin: 0 0 16px 0;
}

.sp-panel-body p:last-child {
    margin-bottom: 0;
}

.sp-lead {
    font-weight: 600;
    color: #132a3e;
    margin-bottom: 8px;
}

.sp-list {
    margin: 0 0 16px 0;
    padding-left: 1.25em;
    font-size: 16px;
    line-height: 1.75;
    color: #333333;
}

.sp-list li {
    margin-bottom: 6px;
}

/* 产品区：公共 .pc-grid */
.sp-products {
    padding: 56px 0 72px 0;
    background-color: #ffffff;
}

.sp-page .sp-products .pc-section-title {
    margin-bottom: 44px;
}

.sp-loading,
.sp-empty {
    text-align: center;
    font-size: 15px;
    color: #666666;
    padding: 0 16px;
}

/* 文案：≤1679 用 --kyd-text-scale；≥1680 定稿 */
@media screen and (max-width: 1679px) {
    .sp-tabstack-tab {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(16px * var(--kyd-text-scale, 1)));
    }

    .sp-panel-title {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(28px * var(--kyd-text-scale, 1)));
    }

    .sp-panel-body p {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(16px * var(--kyd-text-scale, 1)));
    }

    .sp-list {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(16px * var(--kyd-text-scale, 1)));
    }

    .sp-loading,
    .sp-empty {
        font-size: max(var(--kyd-text-sm-min, 14px), calc(15px * var(--kyd-text-scale, 1)));
    }
}

/* Small：Tab 改为顶栏横排；壳内边距收紧 */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    .sp-tabstack-shell {
        padding-left: 24px;
        padding-right: 24px;
    }

    .sp-tabstack-frame {
        flex-direction: column;
    }

    .sp-tabstack-nav {
        flex: none;
        max-width: none;
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sp-tabstack-tab {
        flex: 1 1 auto;
        min-width: 200px;
        border-left: none;
        border-bottom: 4px solid transparent;
    }

    .sp-tabstack-tab.is-active {
        border-left-color: transparent;
        border-bottom-color: #5ec8d8;
    }

    .sp-tabstack-panels {
        padding: 32px 28px 40px;
    }
}

@media screen and (max-width: 767px) {
    .sp-tabstack {
        padding: 48px 0;
    }

    .sp-tabstack-shell {
        padding-left: 16px;
        padding-right: 16px;
    }

    .sp-tabstack-frame {
        flex-direction: column;
        min-height: 0;
        border-radius: 8px;
    }

    .sp-tabstack-nav {
        flex: none;
        max-width: none;
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sp-tabstack-tab {
        flex: 1 1 auto;
        min-width: 140px;
        border-left: none;
        border-bottom: 4px solid transparent;
        padding: 16px 14px;
    }

    .sp-tabstack-tab.is-active {
        border-left-color: transparent;
        border-bottom-color: #5ec8d8;
    }

    .sp-tabstack-panels {
        padding: 28px 20px 36px;
    }

    .sp-products {
        padding: 40px 0 56px;
    }
}