/* style/about.css */

:root {
    --primary-color: #C61F1F;
    --secondary-color: #E53030;
    --background-dark: #140C0C;
    --card-background: #2A1212;
    --text-main: #FFF1E8;
    --border-color: #6A1E1E;
    --gold-color: #F3C54D;
    --deep-red-color: #7E0D0D;
    --button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
}

.page-about {
    font-family: Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--background-dark);
    line-height: 1.6;
}

.page-about__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.page-about__hero-section {
    padding-top: 10px; /* Adjusted for header offset */
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    text-align: center;
    overflow: hidden;
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-height: 675px; /* Limit height for large hero images */
    overflow: hidden;
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.page-about__hero-content {
    padding: 40px 20px;
    background-color: var(--background-dark);
    color: var(--text-main);
}

.page-about__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: bold;
    color: var(--gold-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-about__description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-main);
}

.page-about__cta-button {
    display: inline-block;
    background: var(--button-gradient);
    color: var(--text-main);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
}

.page-about__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-about__section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.page-about__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.page-about__mission-vision-section {
    padding: 60px 0;
    background-color: var(--background-dark);
}

.page-about__grid {
    display: grid;
    gap: 30px;
}

.page-about__grid--2-cols {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-about__card {
    background-color: var(--card-background);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.page-about__card-title {
    font-size: 1.8rem;
    color: var(--gold-color);
    margin-bottom: 15px;
    text-align: center;
}

.page-about__why-choose-section {
    padding: 60px 0;
    background-color: #201010; /* Slightly lighter dark background */
}

.page-about__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-about__feature-card {
    text-align: center;
}

.page-about__feature-icon {
    width: 100%;
    height: auto;
    max-width: 400px;
    border-radius: 8px;
    margin-bottom: 20px;
    object-fit: cover;
}

.page-about__feature-title {
    font-size: 1.5rem;
    color: var(--gold-color);
    margin-bottom: 10px;
}

.page-about__history-section,
.page-about__responsibility-section {
    padding: 60px 0;
}

.page-about__history-section {
    background-color: var(--background-dark);
}

.page-about__responsibility-section {
    background-color: #201010;
}

.page-about__content-wrapper {
    display: flex;
    gap: 40px;
    align-items: center;
}

.page-about__content-wrapper--reverse {
    flex-direction: row-reverse;
}

.page-about__history-image,
.page-about__responsibility-image {
    flex: 1;
    width: 100%;
    height: auto;
    max-width: 600px;
    border-radius: 10px;
    object-fit: cover;
}

.page-about__history-text,
.page-about__responsibility-text {
    flex: 1;
    color: var(--text-main);
}

.page-about__history-text p,
.page-about__responsibility-text p {
    margin-bottom: 15px;
}

.page-about__cta-bottom-section {
    padding: 60px 0;
    background-color: var(--primary-color);
    text-align: center;
    color: var(--text-main);
}

.page-about__cta-container {
    max-width: 900px;
}

.page-about__cta-bottom-section .page-about__section-title {
    color: var(--text-main);
}

.page-about__cta-bottom-section .page-about__section-title::after {
    background-color: var(--gold-color);
}

.page-about__cta-bottom-section .page-about__description {
    color: var(--text-main);
    margin-bottom: 40px;
}

.page-about__button-group {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.page-about__cta-button--primary {
    background: var(--button-gradient);
    color: var(--text-main);
}

.page-about__cta-button--secondary {
    background: var(--card-background);
    color: var(--gold-color);
    border: 2px solid var(--gold-color);
}

.page-about__cta-button--secondary:hover {
    background: var(--deep-red-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-about__faq-section {
    padding: 60px 0;
    background-color: var(--background-dark);
}

.page-about__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-about__faq-item {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--text-main);
}

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--gold-color);
    cursor: pointer;
    background-color: var(--deep-red-color);
    border-bottom: 1px solid var(--border-color);
}

.page-about__faq-question:hover {
    background-color: var(--primary-color);
}

.page-about__faq-qtext {
    flex-grow: 1;
}

.page-about__faq-toggle {
    font-size: 1.5rem;
    margin-left: 15px;
    line-height: 1;
    user-select: none;
}

.page-about__faq-item[open] .page-about__faq-question {
    border-bottom: 1px solid var(--border-color);
}

.page-about__faq-answer {
    padding: 20px;
    font-size: 1rem;
    color: var(--text-main);
}

/* Details element specific styling */
.page-about__faq-item summary {
    list-style: none;
}

.page-about__faq-item summary::-webkit-details-marker {
    display: none;
}

/* General image styling */
.page-about img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
    .page-about__container {
        padding: 15px;
    }

    .page-about__main-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }

    .page-about__description {
        font-size: 1rem;
    }

    .page-about__section-title {
        font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    }

    .page-about__cta-button {
        padding: 12px 25px;
        font-size: 1rem;
    }

    .page-about__content-wrapper {
        flex-direction: column;
        gap: 30px;
    }

    .page-about__content-wrapper--reverse {
        flex-direction: column;
    }

    .page-about__history-image,
    .page-about__responsibility-image {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .page-about {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-about__container {
        padding-left: 15px;
        padding-right: 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* HERO 主图区域 */
    .page-about__hero-section {
        padding-top: 10px !important;
        padding-left: 0;
        padding-right: 0;
    }

    .page-about__hero-content {
        padding: 30px 15px;
    }

    .page-about__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .page-about__description {
        font-size: 0.95rem;
    }

    /* 通用图片与容器 */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-about__hero-image-wrapper,
    .page-about__feature-icon,
    .page-about__history-image,
    .page-about__responsibility-image {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* 按钮与按钮容器 */
    .page-about__cta-button,
    .page-about__btn-primary,
    .page-about__btn-secondary,
    .page-about a[class*="button"],
    .page-about a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-about__button-group {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-direction: column !important; /* Force vertical stacking for buttons */
        gap: 15px;
    }

    /* 其他内容模块 */
    .page-about__mission-vision-section,
    .page-about__why-choose-section,
    .page-about__history-section,
    .page-about__responsibility-section,
    .page-about__cta-bottom-section,
    .page-about__faq-section {
        padding: 40px 0;
    }

    .page-about__card {
        padding: 25px;
    }

    .page-about__faq-question {
        font-size: 1.1rem;
        padding: 15px;
    }

    .page-about__faq-answer {
        padding: 15px;
    }

    .page-about__grid--2-cols {
        grid-template-columns: 1fr;
    }

    .page-about__features-grid {
        grid-template-columns: 1fr;
    }
}