/**
 * 栏目页静态叠字 Banner（公共样式）
 * 结构：.page-banner > __wrap > __img + __overlay + __content > __inner > __text > __title / __desc
 *
 * 五档：Phone≤767 | Small 768–1024 | Mid 1025–1439 | Large 1440–1679 | XLarge≥1680
 * 1920 定稿锚点：Banner 高 500；文案从 x=300、y=190 起排
 * ≤767：标题/描述整体居中
 */

.page-banner {
    position: relative;
    overflow: hidden;
    margin-top: var(--theme-header-height, 75px);
    --pb-wrap-h: 500px;
    --pb-title-size: 45px;
    --pb-desc-size: 23px;
    --pb-lh: 1.25;
    --pb-title-mb: 21px;
    /* 相对 1920 定稿等比；≥1680 封顶见下方 */
    --pb-text-x: calc(300px * 100vw / 1920px);
    --pb-text-y: calc(190px * var(--pb-wrap-h) / 500px);
}

@media screen and (min-width: 1680px) {
    .page-banner {
        --pb-wrap-h: 500px;
        --pb-text-x: 300px;
        --pb-text-y: 190px;
    }
}

.page-banner__wrap {
    position: relative;
    height: var(--pb-wrap-h);
    min-height: var(--pb-wrap-h);
    overflow: hidden;
}

.page-banner__img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-banner__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.2);
    pointer-events: none;
}

.page-banner__content {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 0;
    padding-top: var(--pb-text-y);
    box-sizing: border-box;
}

.page-banner__inner {
    max-width: none;
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.page-banner__text {
    color: #ffffff;
    text-align: left;
    padding-left: max(16px, var(--pb-text-x));
    padding-right: 24px;
    box-sizing: border-box;
    pointer-events: auto;
    max-width: 100%;
}

.page-banner__title {
    font-size: var(--pb-title-size);
    font-family: "HarmonyOS Sans SC Light", sans-serif;
    font-weight: normal;
    line-height: var(--pb-lh);
    margin: 0 0 var(--pb-title-mb) 0;
    color: #ffffff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.3px;
}

.page-banner__desc {
    font-size: var(--pb-desc-size);
    font-family: "HarmonyOS Sans SC Light", sans-serif;
    font-weight: normal;
    line-height: var(--pb-lh);
    margin: 0;
    color: #ffffff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.3px;
    white-space: normal;
}

.page-banner__desc + .page-banner__desc {
    margin-top: 12px;
}

/* —— 文案缩放：≤1679 —— */
@media screen and (max-width: 1679px) {
    .page-banner {
        --pb-title-size: max(var(--kyd-text-sm-min, 14px), calc(45px * var(--kyd-text-scale, 1)));
        --pb-desc-size: max(var(--kyd-text-sm-min, 14px), calc(23px * var(--kyd-text-scale, 1)));
    }
}

/* —— Large 1440～1679 —— */
@media screen and (min-width: 1440px) and (max-width: 1679px) {
    .page-banner {
        --pb-wrap-h: 460px;
    }
}

/* —— Mid 1025～1439 —— */
@media screen and (min-width: 1025px) and (max-width: 1439px) {
    .page-banner {
        --pb-wrap-h: 420px;
    }
}

/* —— Small 768～1024 —— */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    .page-banner {
        --pb-wrap-h: 380px;
    }
}

/* —— Phone ≤767：标题/描述整体居中 —— */
@media screen and (max-width: 767px) {
    .page-banner {
        --pb-wrap-h: 280px;
        --pb-text-x: 0px;
        --pb-text-y: 0px;
        --pb-title-mb: 15px;
    }

    .page-banner__content {
        justify-content: center;
        padding-top: 0;
        padding-left: 16px;
        padding-right: 16px;
    }

    .page-banner__text {
        padding-left: 0;
        padding-right: 0;
        text-align: center;
    }
}