/* General styles for .page-about scope */
.page-about {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #F2FFF6; /* Text Main for dark backgrounds */
    background-color: #08160F; /* Background color */
}

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

.page-about__section {
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.page-about__section-title {
    font-size: 2.5em;
    color: #F2C14E; /* Gold */
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: 1px;
}

.page-about__section-title--light {
    color: #F2FFF6; /* Text Main */
}

.page-about__lead-text {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 30px;
    color: #A7D9B8; /* Text Secondary */
}

.page-about__lead-text--light {
    color: #F2FFF6; /* Text Main */
}

/* Hero Section */
.page-about__hero-section {
    padding-top: 10px; /* Small top padding, body handles header offset */
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 600px;
    background-color: #08160F; /* Background color */
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-height: 70vh; /* Limit hero image height */
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.5); /* Darken image for text readability, not changing color */
}

.page-about__hero-content {
    position: relative;
    z-index: 2;
    padding: 40px 20px;
    max-width: 900px;
    color: #F2FFF6; /* Text Main */
}

.page-about__main-title {
    font-size: clamp(2.5em, 5vw, 3.5em); /* Responsive font size for H1 */
    color: #F2C14E; /* Gold */
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: 1px;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

/* Buttons */
.page-about__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    text-align: center;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-about__btn-primary {
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button gradient */
    color: #F2FFF6; /* Text Main */
    border: none;
    box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-about__btn-primary:hover {
    background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
}

.page-about__btn-secondary {
    background: transparent;
    color: #2AD16F; /* Button color */
    border: 2px solid #2AD16F; /* Border color */
    box-shadow: 0 4px 15px rgba(42, 209, 111, 0.2);
}

.page-about__btn-secondary:hover {
    background: #2AD16F;
    color: #08160F; /* Background color for hover */
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 209, 111, 0.4);
}

/* Content Flex Layout */
.page-about__content-flex {
    display: flex;
    align-items: center;
    gap: 40px;
}

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

.page-about__text-block,
.page-about__image-block {
    flex: 1;
}

.page-about__content-image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* Lists */
.page-about__list {
    list-style: none;
    padding-left: 0;
    margin-top: 20px;
}

.page-about__list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    color: #A7D9B8; /* Text Secondary */
}

.page-about__list li strong {
    color: #F2FFF6; /* Text Main */
}

.page-about__list li::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: #2AD16F; /* Main color */
    font-size: 1.2em;
    top: 0;
}

/* Timeline */
.page-about__timeline {
    list-style: none;
    padding-left: 0;
    position: relative;
    margin-top: 30px;
    border-left: 2px solid #2E7A4E; /* Border color */
    padding-left: 20px;
}

.page-about__timeline li {
    margin-bottom: 30px;
    position: relative;
    padding-left: 20px;
    color: #A7D9B8; /* Text Secondary */
}

.page-about__timeline li::before {
    content: '';
    position: absolute;
    left: -11px;
    top: 5px;
    width: 20px;
    height: 20px;
    background-color: #F2C14E; /* Gold */
    border-radius: 50%;
    border: 3px solid #08160F; /* Background color */
    z-index: 1;
}

.page-about__timeline li strong {
    color: #F2FFF6; /* Text Main */
    display: block;
    margin-bottom: 5px;
    font-size: 1.1em;
}

/* CTA Section */
.page-about__cta-section {
    background-color: #11271B; /* Card BG */
    text-align: center;
    padding: 80px 0;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-about__cta-section .page-about__container {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.page-about__cta-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.3); /* Darken image for text readability */
    z-index: 1;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-about__container {
        padding: 20px 30px;
    }

    .page-about__section {
        padding: 40px 0;
    }

    .page-about__section-title {
        font-size: 2em;
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-about__hero-section {
        padding-top: 10px !important; /* Small top padding */
        min-height: 450px;
    }

    .page-about__hero-content {
        padding: 20px;
    }

    .page-about__main-title {
        font-size: 2em !important; /* Smaller H1 for mobile */
        margin-bottom: 15px;
    }

    .page-about__lead-text {
        font-size: 1em;
        margin-bottom: 20px;
    }

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

    .page-about__section,
    .page-about__card,
    .page-about__container,
    .page-about__content-flex,
    .page-about__text-block,
    .page-about__image-block {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Content Flex Layout */
    .page-about__content-flex,
    .page-about__content-flex--reverse {
        flex-direction: column !important;
        gap: 30px;
    }

    /* 按钮与按钮容器 */
    .page-about__cta-buttons {
        flex-direction: column !important; /* Vertical stack for buttons */
        gap: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 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 20px; /* Adjust padding for smaller screens */
    }

    /* List and Timeline */
    .page-about__list li,
    .page-about__timeline li {
        padding-left: 25px;
        margin-bottom: 10px;
    }

    .page-about__timeline {
        padding-left: 15px;
    }

    .page-about__timeline li::before {
        left: -8px;
        width: 16px;
        height: 16px;
    }

    /* CTA Section */
    .page-about__cta-section {
        padding: 50px 0;
    }

    .page-about__cta-section .page-about__section-title {
        font-size: 1.8em !important;
    }
}