/* style/about.css */

:root {
    --primary-color: #E53935;
    --secondary-color: #FF5A4F;
    --text-main-color: #333333;
    --card-bg-color: #FFFFFF;
    --background-color: #F5F7FA;
    --border-color: #E0E0E0;
    --gradient-button: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

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

/* Hero Section */
.page-about__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 10px; /* Small top padding as shared.css handles body padding */
    padding-bottom: 60px;
    text-align: center;
    overflow: hidden;
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-height: 600px; /* Adjust max-height as needed for aspect ratio */
    overflow: hidden;
}

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

.page-about__hero-content {
    position: relative;
    padding: 40px 20px;
    max-width: 900px;
    margin-top: -80px; /* Overlap slightly with image for visual flow */
    background-color: var(--card-bg-color);
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    z-index: 10;
    color: var(--text-main-color);
}

.page-about__main-title {
    font-size: clamp(2em, 4vw, 3em);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-about__description {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: var(--text-main-color);
}

.page-about__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05em;
    transition: all 0.3s ease;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-about__btn-primary {
    background: var(--gradient-button);
    color: #ffffff;
    border: 2px solid transparent;
}

.page-about__btn-primary:hover {
    background: var(--primary-color);
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.4);
}

.page-about__btn-secondary {
    background-color: #ffffff;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-about__btn-secondary:hover {
    background-color: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.2);
}

/* General Section Styling */
.page-about__section {
    padding: 60px 0;
}

.page-about__light-bg {
    background-color: var(--background-color);
    color: var(--text-main-color);
}

.page-about__dark-bg {
    background-color: var(--primary-color);
    color: #ffffff;
}

.page-about__dark-bg .page-about__section-title,
.page-about__dark-bg .page-about__sub-title,
.page-about__dark-bg .page-about__card-title {
    color: #ffffff;
}

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

.page-about__section-title {
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.page-about__section-description {
    font-size: 1.1em;
    text-align: center;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__sub-title {
    font-size: 1.8em;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.page-about__content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.page-about__content-grid:nth-of-type(even) .page-about__image-block {
    order: 1;
}

.page-about__content-grid:nth-of-type(even) .page-about__text-block {
    order: 2;
}

.page-about__image-block {
    text-align: center;
}

.page-about__image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: block;
}

.page-about__text-block p {
    margin-bottom: 15px;
    font-size: 1.05em;
}

.page-about__text-block strong {
    color: var(--primary-color);
}

.page-about__history {
    margin-top: 40px;
}

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

.page-about__feature-card {
    background-color: var(--card-bg-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
    color: var(--text-main-color);
}

.page-about__feature-card:hover {
    transform: translateY(-10px);
}

.page-about__card-title {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Core Values Section */
.page-about__values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    text-align: center;
}

.page-about__value-item {
    background-color: var(--card-bg-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    color: var(--text-main-color);
}

.page-about__value-icon {
    width: 100%;
    max-width: 200px; /* Adjust as needed */
    height: auto;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-about__value-title {
    font-size: 1.6em;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-about__link {
    color: var(--primary-color);
    text-decoration: underline;
}

.page-about__link:hover {
    color: var(--secondary-color);
}

/* Commitment Section */
.page-about__commitment-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__commitment-list li {
    background-color: var(--card-bg-color);
    margin-bottom: 15px;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    font-size: 1.1em;
    color: var(--text-main-color);
}

.page-about__commitment-list li strong {
    color: var(--primary-color);
}

.page-about__cta-buttons--bottom {
    margin-top: 50px;
}

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

/* Tablet and Mobile */
@media (max-width: 1024px) {
    .page-about__hero-content {
        margin-top: -60px;
        padding: 30px 15px;
    }

    .page-about__main-title {
        font-size: clamp(1.8em, 5vw, 2.5em);
    }

    .page-about__section-title {
        font-size: 2em;
    }

    .page-about__sub-title {
        font-size: 1.5em;
    }

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

    .page-about__content-grid:nth-of-type(even) .page-about__image-block {
        order: unset;
    }

    .page-about__content-grid:nth-of-type(even) .page-about__text-block {
        order: unset;
    }

    .page-about__features-grid,
    .page-about__values-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

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

    /* HERO 主图区域 */
    .page-about__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px !important;
    }

    .page-about__hero-image-wrapper {
        max-height: 300px;
    }

    .page-about__hero-content {
        margin-top: -40px !important;
        padding: 25px 15px !important;
        border-radius: 8px !important;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
    }

    .page-about__main-title {
        font-size: clamp(1.5em, 6vw, 2em) !important;
        margin-bottom: 10px !important;
    }

    .page-about__description {
        font-size: 1em !important;
        margin-bottom: 20px !important;
    }

    /* 按钮与按钮容器 */
    .page-about__cta-buttons {
        flex-direction: column !important;
        gap: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 15px;
    }

    .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: 12px 15px !important;
        font-size: 1em !important;
    }

    /* 其他内容模块 */
    .page-about__section {
        padding: 40px 0 !important;
    }

    .page-about__container {
        padding: 0 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-about__section-title {
        font-size: 1.8em !important;
        margin-bottom: 30px !important;
    }

    .page-about__sub-title {
        font-size: 1.4em !important;
    }

    .page-about__content-grid {
        gap: 30px !important;
        grid-template-columns: 1fr !important;
    }

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

    .page-about__image-block,
    .page-about__feature-card,
    .page-about__value-item,
    .page-about__commitment-list li {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-about__features-grid,
    .page-about__values-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .page-about__feature-card,
    .page-about__value-item {
        padding: 25px !important;
    }

    .page-about__card-title,
    .page-about__value-title {
        font-size: 1.3em !important;
    }

    .page-about__commitment-list {
        margin-top: 20px !important;
    }

    .page-about__commitment-list li {
        font-size: 1em !important;
        padding: 15px !important;
    }
}