/**
 * 关于我们页面专用样式
 */

/* ===== About Hero ===== */
.about-hero {
    position: relative;
    padding: calc(var(--header-height) + var(--spacing-16)) 0 var(--spacing-16);
    min-height: 450px;
    display: flex;
    align-items: center;
    color: var(--color-text-inverse);
}

.about-hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.about-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 25, 41, 0.9), rgba(10, 25, 41, 0.7));
}

.about-hero__content {
    max-width: 700px;
}

.about-hero__title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
}

.about-hero__description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.85);
}

/* ===== About Intro ===== */
.about-intro__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-4);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-6);
}

.about-intro__text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-6);
}

.about-intro__highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.highlight-item__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
    border-radius: var(--radius-lg);
    color: var(--color-primary-500);
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.highlight-item__content h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-1);
}

.highlight-item__content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.about-intro__image {
    position: relative;
}

.about-intro__image img {
    width: 100%;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

.about-intro__badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
    border-radius: var(--radius-full);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-xl);
}

.about-intro__badge-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
}

.about-intro__badge-text {
    font-size: var(--font-size-xs);
    text-align: center;
    line-height: 1.3;
}

/* ===== Values ===== */
.values__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.value-card {
    background: var(--color-bg-primary);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}

.value-card__icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
    border-radius: var(--radius-xl);
    color: var(--color-text-inverse);
    font-size: var(--font-size-2xl);
    margin: 0 auto var(--spacing-6);
}

.value-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-3);
}

.value-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ===== Factory ===== */
.factory__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.factory__images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--spacing-4);
}

.factory__image {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.factory__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.factory__image--main {
    grid-row: span 2;
}

.factory__text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-6);
}

.factory__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.factory__features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-base);
}

.factory__features li i {
    color: var(--color-success);
}

/* ===== Timeline ===== */
.timeline__track {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.timeline__track::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
}

.timeline__item {
    position: relative;
    text-align: center;
    flex: 1;
}

.timeline__year {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-600));
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-inverse);
    margin: 0 auto var(--spacing-6);
    position: relative;
    z-index: 1;
}

.timeline__content h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
}

.timeline__content p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    max-width: 180px;
    margin: 0 auto;
}

/* ===== CTA ===== */
.cta {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
}

.cta__content {
    text-align: center;
    color: var(--color-text-inverse);
}

.cta__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
}

.cta__description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-8);
}

.cta__actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
}

.cta .btn--outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-text-inverse);
}

.cta .btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-text-inverse);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .values__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline__track {
        flex-wrap: wrap;
        gap: var(--spacing-8);
    }

    .timeline__track::before {
        display: none;
    }

    .timeline__item {
        flex: 0 0 calc(33.333% - var(--spacing-6));
    }
}

@media (max-width: 992px) {

    .about-intro__grid,
    .factory__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }

    .about-intro__image {
        order: -1;
    }

    .about-intro__badge {
        right: 20px;
        bottom: -20px;
    }

    .about-intro__highlights {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .about-hero__title {
        font-size: var(--font-size-4xl);
    }

    .values__grid {
        grid-template-columns: 1fr;
    }

    .factory__images {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .factory__image--main {
        grid-row: auto;
    }

    .factory__features {
        grid-template-columns: 1fr;
    }

    .timeline__item {
        flex: 0 0 100%;
    }

    .cta__actions {
        flex-direction: column;
        align-items: center;
    }
}