/* ============================================
   About 页面 Banner 区块
   ============================================ */

.about-banner {
    position: relative;
    width: 100%;
    /* PC：保持 1920:460 比例（随宽度自适应高度） */
    aspect-ratio: 1920 / 460;
    height: auto;
    overflow: hidden;
}

/* 旧浏览器兜底：不支持 aspect-ratio 时用 padding-top 保持比例 (460/1920=23.9583%) */
@supports not (aspect-ratio: 1 / 1) {
    .about-banner::before {
        content: "";
        display: block;
        padding-top: 23.9583%;
    }
    .about-banner__image {
        position: absolute;
        inset: 0;
        height: 100%;
        width: 100%;
    }
}

.about-banner__image {
    position: absolute;
    inset: 0;
}

.about-banner__image-el {
    width: 100%;
    object-fit: cover;
    display: block;
}

/* 默认：PC 显示主图，隐藏 H5 图 */
.about-banner__image-el--h5,
.about-page-main__image--h5 {
    display: none;
}

/* ============================================
   关于我们 主内容区块
   ============================================ */

.about-page-main {
    color: #f5f5f5;
    padding: 60px 0 120px;
}

.about-page-main__inner {
    display: flex;
    align-items: center;
}

.about-page-main__media {
    position: relative;
    padding-left: 140px;
}



.about-page-main__image {
    width: 500px;
    height: 480px;
    object-fit: cover;
}

.about-page-main__content {
    position: relative;
    padding-left: 97px;
}

/* PC：About 主内容区底部淡色 “About” 装饰字 */
.about-page-main__content::before {
    content: "About";
    position: absolute;
    bottom: -260px;
    left: 80px;
    font-family: 'system-ui';
    font-style: normal;
    font-weight: 900;
    font-size: 260px;
    line-height: 100%;
    display: flex;
    align-items: center;
    text-align: center;
    background: linear-gradient(90deg, #8B8B8B 0%, rgba(139, 139, 139, 0.5) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    opacity: 0.05;
    pointer-events: none;
}

.about-page-main__label {
    position: absolute;
    left: 0;
    top: 32px;
    color: transparent;
    font-size: 72px;
    font-family: 'PingFang SC';
    font-style: normal;
    font-weight: 600;
    line-height: 1.2;
    background: linear-gradient(90deg, #D9D9D9 0%, rgba(217, 217, 217, 0.1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;

}

.about-page-main__label p {
    font-size: 72px;
    line-height: 1.2;
    padding-left: 100px;
}

/* 英文时：About 顶部大标题第二行左缩进微调 */
html[lang="en"] .about-page-main__label p {
    padding-left: 86px;
}

.about-page-main__header {
    margin-bottom: 24px;
}

.about-page-main__title {
    font-size: 36px;
    font-weight: 600;
    width: fit-content;
    font-family: 'PingFang SC';
    background: linear-gradient(90deg, #D9D9D9 0%, rgba(217, 217, 217, 0.1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.about-page-main__text {
    width: 484px;
    margin-top: 20px;
    font-size: 16px;
    line-height: 1.8;
    color: #FFFFFF;
}

/* ============================================
   公司理念 区块
   ============================================ */

.about-philosophy {
    background: #181818;
    color: #f5f5f5;
    padding: 0 0 120px;
}

.about-philosophy__inner {
    max-width: 760px;
}

.about-philosophy__title {
    font-size: 36px;
    font-weight: 600;
    font-family: 'PingFang SC';
    background: linear-gradient(90deg, #D9D9D9 0%, rgba(217, 217, 217, 0.1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    width: fit-content;
}

.about-philosophy__text {
    width: 660px;
    margin-top: 20px;
    font-family: 'PingFang SC';
    font-size: 16px;
    line-height: 180%;
    color: #D9D9D9;
}

/* ============================================
   结构化优势 区块
   ============================================ */

.about-strengths {
    position: relative;
    background: #D9D9D9;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 84px 0;
}

.about-strengths__inner {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-strengths__bg-word {
    font-family: 'system-ui';
    position: absolute;
    left: -90px;
    bottom: -30px;
    font-size: 260px;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(90deg, rgba(139, 139, 139, 1), rgba(139, 139, 139, 0.5));
    -webkit-background-clip: text;
    color: transparent;
    opacity: 0.1;
    pointer-events: none;
}

.about-strengths__list {
    position: relative;
    display: flex;
    flex-direction: column;
}

.about-strengths__item {
    display: flex;
    justify-content: space-between;
    flex-direction: row;
    align-items: flex-start;
    padding: 32px 0;
    border-bottom: 1px solid rgba(139, 139, 139, 0.2);
}

.about-strengths__item:last-child {
    border-bottom: none;
}

.about-strengths__item-title {
    font-size: 22px;
    font-weight: 600;
    font-family: 'PingFang SC';
    color: #FF7B00;
    flex-shrink: 0;
    min-width: 140px;
    padding-right: 35px;
}

.about-strengths__item-text {
    width: 540px;
    font-size: 16px;
    line-height: 1.8;
    color: #181818;
    font-family: 'PingFang SC';
}

/* ============================================
   底部理念 Banner 区块
   ============================================ */

.about-bottom-banner {
    background: #ff7b00;
    text-align: center;
    height: 280px;
    position: relative;
}

.about-bottom-banner::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 701px;
    height: 280px;
    background-image: url("../images/about/bottom_logo_bg.png");
    background-repeat: no-repeat;
    background-position: right top;
    background-size: contain;
    pointer-events: none;
}

.about-bottom-banner__text {
    color: #FFFCF2;
    font-family: 'Noto Sans SC', 'Noto Sans CJK SC', 'Noto Sans Simplified Chinese', system-ui, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-style: normal;
    font-weight: 700;
    font-size: 80px;
    line-height: 280px;
}

/* ============================================
   响应式调整（基本）
   ============================================ */

@media (max-width: 768px) {
    section.about-banner {
        height: 2.6rem;
    }

    /* H5：about 页面使用 *_h5 图片 */
    .about-banner__image-el--pc,
    .about-page-main__image--pc {
        display: none;
    }

    .about-banner__image-el--h5,
    .about-page-main__image--h5 {
        display: block;
    }

    .about-page-main__image {
        width: 3.3rem;
        height: 2.2rem;
    }

    .about-page-main__media {
        padding-left: 0;
    }

    .about-page-main {
        padding: .6rem 0 1rem;
    }

    .about-page-main__content {
        padding: 1.2rem 0.3rem 0;
    }

    /* PC：About 主内容区底部淡色 “About” 装饰字 */
    .about-page-main__content::before {
        content: "About";
        position: absolute;
        top: 0.12rem;
        bottom: unset;
        left: 0.8rem;
        font-style: normal;
        font-weight: 900;
        font-size: 1rem;
        line-height: 100%;
        display: flex;
        align-items: center;
        text-align: center;
        background: linear-gradient(90deg, #8B8B8B 0%, rgba(139, 139, 139, 0.5) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        text-fill-color: transparent;
        opacity: 0.05;
        pointer-events: none;
    }

    .about-strengths__list {
        width: unset;
    }

    .about-page-main__inner {
        padding: 100px 0 0;
        flex-direction: column;
    }

    .about-page-main__text {
        width: 100%;
    }

    .about-page-main__label {
        font-size: .52rem;
        top: -1rem;
    }

    .about-page-main__label p {
        font-size: .52rem;
        padding-left: 0;
    }

    html[lang="en"] .about-page-main__label {
        padding-left: 0;
        font-size: .38rem;
    }
    html[lang="en"] .about-page-main__inner {
        padding: 90px 0 0;
    }

    html[lang="en"] .about-page-main__label p {
        padding-left: 0;
        font-size: .38rem;
    }

    html[lang="ja"] .about-page-main__label {
        padding-left: 0;
        font-size: .46rem;
    }
    html[lang="ja"] .about-page-main__inner {
        padding: 90px 0 0;
    }
    html[lang="ja"] .about-page-main__label p {
        padding-left: 0;
        font-size: .46rem;
    }

    .about-philosophy {
        display: none;
    }

    .about-strengths {
        padding: 1rem 0 .3rem;
        height: auto;
    }

    .about-strengths__item {
        flex-direction: column;
        gap: 0.1rem;
        padding: 0 0 0.3rem;
    }

    .about-strengths__item:not(:first-child) {
        padding: .3rem 0;
    }

    .about-strengths__item-title {
        min-width: auto;
        padding-right: 0;
    }

    .about-strengths__bg-word {
        font-size: 1rem;
        top: 0.3rem;
        bottom: unset;
        left: 0;
    }

    .about-bottom-banner {
        height: 2.4rem;
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
        background: url("../images/about/bottom_logo_bg_h5.png") no-repeat center top;
        background-size: 100% 100%;
    }

    .about-bottom-banner__text {
        padding: 0 .3rem;
        font-size: 0.64rem;
        line-height: 1.06;
        background: linear-gradient(90deg, #FFFFFF 0%, rgba(255, 227, 171, 0.8) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        text-fill-color: transparent;
    }

    .about-bottom-banner::after {
        content: none;
    }

    html[lang="en"] .about-bottom-banner__text {
        font-size: 0.45rem;
    }

    html[lang="ja"] .about-bottom-banner__text {
        font-size: 0.54rem;
    }

    .about-strengths__item-text {
        width: auto;
    }
}