/* about.css - 关于我们页面专属样式（完全独立） */

.bem-about-categories {
    background: var(--bem-bg-secondary);
    padding: 0;
    border-bottom: none;
    position: relative;
    z-index: 99;
    height: 120px;
    display: flex;
    align-items: center;
}

.bem-about-categories__container {
    display: flex;
    align-items: center;
    gap: var(--bem-space-8);
    padding: 0;
    width: 100%;
    height: 100%;
}

.bem-about-categories__title {
    font-size: var(--bem-font-16);
    font-weight: var(--bem-font-600);
    color: var(--bem-text-primary);
    white-space: nowrap;
    position: relative;
    padding-right: var(--bem-space-8);
    line-height: 1.2;
    margin: 0;
}

.bem-about-categories__title::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 20px;
    background: var(--bem-text-quinary);
}

.bem-about-categories__list {
    display: flex;
    gap: var(--bem-space-8);
    flex-wrap: wrap;
    align-items: center;
    height: 100%;
}

.bem-about-categories__link {
    color: var(--bem-text-primary);
    text-decoration: none;
    font-size: var(--bem-font-16);
    font-weight: var(--bem-font-500);
    padding: var(--bem-space-1) 0;
    position: relative;
    white-space: nowrap;
    transition: all var(--bem-transition-normal);
    cursor: pointer;
    outline: none;
    line-height: 1.2;
    display: inline-block;
}

.bem-about-categories__link:hover,
.bem-about-categories__link:focus {
    color: var(--bem-primary);
    outline: none;
}

.bem-about-categories__link[data-bem-state*='"active":true'] {
    color: var(--bem-primary);
    font-weight: var(--bem-font-600);
}

.bem-underline-hover {
    position: relative;
    display: inline-block;
}

.bem-underline-hover::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width var(--bem-transition-normal);
}

.bem-underline-hover:hover::after,
.bem-underline-hover:focus::after {
    width: 100%;
}

.bem-about-showcase {
    display: none;
    padding: 120px 0 0 0;
    background: var(--bem-bg-primary);
    position: relative;
    min-height: auto;
}

.bem-about-showcase[data-bem-state*='"active":true'] {
    display: block;
}

.bem-about-layout {
    display: flex;
    gap: var(--bem-space-8);
    align-items: flex-start;
    padding: 0 0 150px 0;
}

.bem-about-layout__text {
    flex: 1;
    min-width: 0;
}

.bem-about-layout__images {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: center;
    padding-top: 0;
}

.bem-about-images-list {
    display: flex;
    flex-direction: column;
    gap: 100px;
    align-items: center;
    width: 100%;
}

.bem-about-images-list__item {
    width: 100%;
    max-width: 550px;
    aspect-ratio: 16 / 9;
    border-radius: var(--bem-radius-sm);
    overflow: hidden;
    border: 1px solid var(--bem-bg-secondary);
    background: var(--bem-bg-secondary);
}

.bem-about-images-list__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.bem-about-content__body {
    color: var(--bem-text-tertiary);
    line-height: 1.8;
}

.bem-about-content__body h3 {
    font-size: var(--bem-font-18);
    font-weight: var(--bem-font-600);
    color: var(--bem-text-secondary);
    margin: var(--bem-space-6) 0 var(--bem-space-4) 0;
}

.bem-about-content__body h3:first-of-type {
    margin-top: 0;
}

.bem-about-content__body p {
    margin-bottom: var(--bem-space-4);
    font-size: var(--bem-font-15);
    font-weight: var(--bem-font-400);
    color: var(--bem-text-tertiary);
}

.bem-about-content__body p:last-child {
    margin-bottom: 0;
}

.bem-factory-grid {
    display: flex;
    flex-direction: column;
    gap: 60px;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto 0;
    padding: 0 0 150px 0;
}

.bem-factory-grid__item {
    width: 100%;
    height: 600px;
    border-radius: var(--bem-radius-sm);
    overflow: hidden;
    border: 1px solid var(--bem-bg-secondary);
    background: var(--bem-bg-secondary);
}

.bem-factory-grid__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.bem-contact-header {
    margin-bottom: 0;
    text-align: left;
    max-width: 1280px;
    width: 100%;
    padding: 0 0 100px 0;
}

.bem-contact-header__title {
    font-size: var(--bem-font-24);
    font-weight: var(--bem-font-600);
    color: var(--bem-text-secondary);
    margin-bottom: 15px;
    line-height: 1.2;
}

.bem-contact-header__description {
    font-size: var(--bem-font-15);
    font-weight: var(--bem-font-400);
    color: var(--bem-text-tertiary);
    width: 100%;
    max-width: 1280px;
    line-height: 1.8;
}

.bem-contact-media {
    margin-bottom: 0;
    padding: 0 0 120px 0;
}

.bem-contact-media__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 70px;
    max-width: 1280px;
    width: 100%;
}

.bem-contact-media__card {
    background: var(--bem-bg-primary);
    border: 1px solid var(--bem-bg-secondary);
    border-radius: 8px;
    padding: var(--bem-space-6) var(--bem-space-6) 60px var(--bem-space-6);
    box-shadow: 0 2px 10px var(--bem-shadow-card-default);
    display: flex;
    flex-direction: column;
    width: 100%;
}

.bem-contact-media__header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: var(--bem-space-6);
}

.bem-contact-media__header-left {
    display: flex;
    align-items: center;
    gap: var(--bem-space-2);
}

.bem-contact-media__icon {
    font-size: 22px;
    color: var(--bem-primary);
    flex-shrink: 0;
    width: 22px;
    text-align: center;
    line-height: 1;
    display: inline-block;
    vertical-align: middle;
}

.bem-contact-media__name {
    font-size: var(--bem-font-18);
    font-weight: var(--bem-font-600);
    color: var(--bem-text-secondary);
    margin: 0;
    line-height: 1;
    display: inline-block;
    vertical-align: middle;
}

.bem-contact-media__qrcode {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    border: 1px solid var(--bem-bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bem-bg-secondary);
}

.bem-contact-media__qrcode img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.bem-contact-banner {
    margin-bottom: 0;
    width: 100%;
    height: 800px;
    overflow: hidden;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    width: 100vw;
    max-width: 100vw;
}

.bem-contact-banner__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.bem-contact-company-wrapper {
    max-width: 1280px;
    width: 100%;
    margin: 0;
    padding: 0 0 50px 0;
    background: var(--bem-bg-primary);
    border: none;
    border-top: 1px solid var(--bem-text-quinary);
    border-radius: 0;
    box-shadow: none;
}

.bem-contact-company {
    max-width: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    gap: 30px;
    height: 360px;
}

.bem-contact-company__logo {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--bem-border-primary);
    border-radius: 8px;
    padding: 15px;
    background: var(--bem-bg-primary);
    box-shadow: 0 2px 10px var(--bem-shadow-card-default);
}

.bem-contact-company__logo img {
    width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.bem-contact-company__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    height: auto;
}

.bem-contact-company__fullname {
    font-size: 20px;
    font-weight: 500;
    color: var(--bem-header-footer-text);
    line-height: 1.3;
    margin-bottom: 15px;
}

.bem-contact-company__tel {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--bem-header-footer-text);
    line-height: 1;
}

.bem-contact-company__tel i {
    color: var(--bem-primary);
    width: 15px;
    text-align: center;
    font-size: 16px;
}

.bem-contact-company__address {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 16px;
    color: var(--bem-header-footer-text);
    line-height: 1.5;
}

.bem-contact-company__address i {
    color: var(--bem-primary);
    width: 15px;
    text-align: center;
    font-size: 16px;
    margin-top: 2px;
}

.bem-contact-company__address,
.bem-contact-company__tel,
.bem-contact-company__fullname,
[class*="__address"],
[class*="__tel"] {
    color: var(--bem-header-footer-link);
}

@media (max-width: 1200px) {
    .bem-about-layout {
        gap: var(--bem-space-6);
        padding: 0 0 120px 0;
    }
    
    .bem-factory-grid {
        gap: 50px;
        padding: 0 0 120px 0;
    }
    
    .bem-factory-grid__item {
        height: 500px;
    }
    
    .bem-contact-header {
        padding: 0 0 80px 0;
    }
    
    .bem-contact-media {
        padding: 0 0 100px 0;
    }
    
    .bem-contact-media__grid {
        gap: 50px;
    }
    
    .bem-contact-media__card {
        padding: var(--bem-space-6) var(--bem-space-6) 80px var(--bem-space-6);
    }
    
    .bem-contact-banner {
        height: 700px;
        margin-bottom: 0;
    }
    
    .bem-contact-company-wrapper {
        padding: 0 0 40px 0;
    }
    
    .bem-contact-company {
        height: 320px;
        gap: 25px;
    }
    
    .bem-contact-company__logo {
        width: 110px;
        height: 110px;
        padding: 12px;
    }
    
    .bem-contact-company__info {
        gap: 18px;
    }
    
    .bem-contact-company__fullname {
        font-size: 22px;
    }
    
    .bem-about-images-list {
        gap: 80px;
    }
}

@media (max-width: 992px) {
    .bem-about-categories {
        height: auto;
        min-height: 100px;
        padding: var(--bem-space-2) 0;
        align-items: flex-start;
    }
    
    .bem-about-categories__container {
        flex-direction: column;
        gap: var(--bem-space-4);
        align-items: flex-start;
        padding: 0;
        height: auto;
    }
    
    .bem-about-categories__title::after {
        display: none;
    }
    
    .bem-about-categories__list {
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--bem-space-2);
        gap: var(--bem-space-4);
        height: auto;
        scrollbar-width: thin;
        scrollbar-color: var(--bem-primary) var(--bem-bg-secondary);
    }
    
    .bem-about-categories__list::-webkit-scrollbar {
        height: 4px;
    }
    
    .bem-about-categories__list::-webkit-scrollbar-track {
        background: var(--bem-bg-secondary);
        border-radius: 2px;
    }
    
    .bem-about-categories__list::-webkit-scrollbar-thumb {
        background: var(--bem-primary);
        border-radius: 2px;
    }
    
    .bem-about-layout {
        flex-direction: column;
        gap: var(--bem-space-6);
        padding: 0 0 100px 0;
    }
    
    .bem-about-layout__images {
        padding-top: 0;
        width: 100%;
    }
    
    .bem-about-images-list {
        gap: 60px;
    }
    
    .bem-about-images-list__item {
        max-width: 100%;
    }
    
    .bem-about-content__body h3 {
        font-size: var(--bem-font-16);
    }
    
    .bem-about-content__body p {
        font-size: var(--bem-font-14);
    }
    
    .bem-factory-grid {
        gap: 40px;
        padding: 0 0 100px 0;
    }
    
    .bem-factory-grid__item {
        height: 400px;
    }
    
    .bem-contact-header {
        padding: 0 0 60px 0;
    }
    
    .bem-contact-header__title {
        font-size: var(--bem-font-20);
    }
    
    .bem-contact-header__description {
        font-size: var(--bem-font-12);
    }
    
    .bem-contact-media {
        padding: 0 0 80px 0;
    }
    
    .bem-contact-media__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .bem-contact-media__card {
        padding: var(--bem-space-6) var(--bem-space-6) 60px var(--bem-space-6);
    }
    
    .bem-contact-media__icon {
        font-size: 20px;
        width: 20px;
    }
    
    .bem-contact-media__name {
        font-size: var(--bem-font-16);
    }
    
    .bem-contact-media__qrcode {
        width: 130px;
        height: 130px;
        border-radius: 8px;
    }
    
    .bem-contact-banner {
        height: 600px;
        margin-bottom: 0;
    }
    
    .bem-contact-company-wrapper {
        padding: 0 0 30px 0;
    }
    
    .bem-contact-company {
        height: 280px;
        gap: 20px;
    }
    
    .bem-contact-company__logo {
        width: 100px;
        height: 100px;
        padding: 10px;
    }
    
    .bem-contact-company__info {
        gap: 15px;
    }
    
    .bem-contact-company__fullname {
        font-size: 20px;
    }
    
    .bem-contact-company__tel,
    .bem-contact-company__address {
        font-size: 15px;
    }
    
    .bem-contact-company__tel i,
    .bem-contact-company__address i {
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    .bem-about-categories {
        height: auto;
        padding: var(--bem-space-2) 0;
    }
    
    .bem-about-layout {
        padding: 0 0 80px 0;
    }
    
    .bem-about-images-list {
        gap: 40px;
    }
    
    .bem-factory-grid {
        gap: 30px;
        padding: 0 0 80px 0;
    }
    
    .bem-factory-grid__item {
        height: 300px;
    }
    
    .bem-contact-header {
        padding: 0 0 40px 0;
    }
    
    .bem-contact-header__title {
        font-size: var(--bem-font-18);
    }
    
    .bem-contact-header__description {
        font-size: var(--bem-font-10);
    }
    
    .bem-contact-media {
        padding: 0 0 60px 0;
    }
    
    .bem-contact-media__grid {
        grid-template-columns: 1fr;
        gap: 30px;
        max-width: 450px;
        margin-left: 0;
        margin-right: auto;
    }
    
    .bem-contact-media__card {
        padding: var(--bem-space-4) var(--bem-space-4) 50px var(--bem-space-4);
        border-radius: 8px;
    }
    
    .bem-contact-media__header-left {
        gap: var(--bem-space-1);
    }
    
    .bem-contact-media__icon {
        font-size: 18px;
        width: 18px;
    }
    
    .bem-contact-media__name {
        font-size: var(--bem-font-14);
    }
    
    .bem-contact-media__qrcode {
        width: 120px;
        height: 120px;
        border-radius: 8px;
    }
    
    .bem-contact-banner {
        height: 500px;
        margin-bottom: 0;
    }
    
    .bem-contact-company-wrapper {
        padding: 0 0 20px 0;
    }
    
    .bem-contact-company {
        flex-direction: column;
        align-items: flex-start;
        height: auto;
        min-height: auto;
        gap: 20px;
    }
    
    .bem-contact-company__logo {
        width: 100px;
        height: 100px;
        padding: 10px;
    }
    
    .bem-contact-company__info {
        width: 100%;
        gap: 12px;
        justify-content: flex-start;
    }
    
    .bem-contact-company__fullname {
        font-size: 20px;
    }
    
    .bem-contact-company__tel,
    .bem-contact-company__address {
        font-size: 14px;
        gap: 8px;
    }
    
    .bem-contact-company__tel i,
    .bem-contact-company__address i {
        font-size: 14px;
    }
}