/* ========== About Us 专属样式 ========== */
/* 顶部Banner区 */
.about-banner {
    position: relative;
    color: #fff;
    background-color: #000;
}

.about-banner__container {
    position: relative;
    z-index: 2;
    padding: 60px 20px;
    max-width: 800px;
}

.about-banner__title {
    font-size: 48px;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.about-banner__subtitle {
    font-size: 20px;
    font-weight: 700;
    color: #f58220; /* 橙色强调色 */
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.about-banner__desc {
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.9;
    max-width: 600px;
}

.about-banner__img {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    z-index: 1;
}

.about-banner__bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

/* Our Story 模块 */
.our-story {
    background-color: #f9f9f9;
}

.our-story__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.our-story__tag {
    font-size: 14px;
    font-weight: 700;
    color: #f58220;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

.our-story__title {
    font-size: 32px;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: #000;
}

.our-story__desc {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.our-story__img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* 轮廓按钮样式（匹配原图） */
.btn--outline {
    background: transparent;
    border: 2px solid #000;
    color: #000;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn--outline:hover {
    background-color: #000;
    color: #fff;
}

/* Core Values 核心优势模块 */
.core-values {
    background-color: #000;
    color: #fff;
    padding: 60px 0;
}

.core-values__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.core-values__icon {
    font-size: 32px;
    color: #f58220;
    margin-bottom: 20px;
}

.core-values__title {
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.core-values__desc {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.5;
}

/* Manufacturing 制造工艺模块 */
.manufacturing__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.manufacturing__img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.manufacturing__tag {
    font-size: 14px;
    font-weight: 700;
    color: #f58220;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

.manufacturing__title {
    font-size: 28px;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: #000;
    line-height: 1.2;
}

.manufacturing__desc {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.manufacturing__list {
    list-style: none;
    margin-bottom: 30px;
}

.manufacturing__list-item {
    font-size: 16px;
    color: #333;
    margin-bottom: 10px;
}

/* Stats 数据统计模块 */
.stats {
    background-color: #f9f9f9;
    padding: 60px 0;
}

.stats__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stats__icon {
    font-size: 24px;
    color: #f58220;
    margin-bottom: 15px;
}

.stats__number {
    font-size: 36px;
    font-weight: 900;
    color: #000;
    margin-bottom: 10px;
}

.stats__label {
    font-size: 14px;
    color: #666;
    text-transform: uppercase;
    font-weight: 500;
}

/* CTA 号召行动模块 */
.cta {
    position: relative;
    color: #fff;
    background-color: #000;
    padding: 60px 0;
}

.cta__container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.cta__title {
    font-size: 32px;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.cta__desc {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.6;
}

.cta__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.cta__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

/* 订阅按钮特殊样式（匹配原图橙色） */
.subscribe-btn {
    background-color: #f58220 !important;
    padding: 10px 20px !important;
    font-size: 14px !important;
}

.subscribe-btn:hover {
    background-color: #e07518 !important;
}

/* ========== 响应式适配（About Us） ========== */
@media (max-width: 992px) {
    .about-banner__title {
        font-size: 36px;
    }
    
    .about-banner__img {
        width: 50%;
    }
    
    .our-story__container,
    .manufacturing__container {
        grid-template-columns: 1fr;
    }
    
    .our-story__content,
    .manufacturing__content {
        order: 1;
    }
    
    .our-story__image,
    .manufacturing__image {
        order: 2;
    }
    
    .core-values__container,
    .stats__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-banner {
        padding-bottom: 30px;
    }
    
    .about-banner__img {
        position: static;
        width: 100%;
        height: 200px;
        margin-top: 30px;
    }
    
    .about-banner__container {
        padding: 40px 20px;
    }
    
    .about-banner__title {
        font-size: 28px;
    }
    
    .cta__title {
        font-size: 24px;
    }
}

@media (max-width: 576px) {
    .core-values__container,
    .stats__container {
        grid-template-columns: 1fr;
    }
    
    .our-story__title,
    .manufacturing__title {
        font-size: 24px;
    }
    
    .stats__number {
        font-size: 28px;
    }
}