.page-about {
    font-family: Arial, sans-serif;
    background-color: var(--site-bg, #0D0E12); /* Fallback to specified background color if --site-bg is not set */
    color: #FFF3E6; /* Main text color for dark background */
    line-height: 1.6;
}

.page-about__hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: 10px; /* Small top padding, assuming body handles header offset */
    padding-bottom: 40px;
    background-color: #0D0E12; /* Dark background for hero */
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-width: 1200px;
    margin-bottom: 30px;
    overflow: hidden;
    box-sizing: border-box;
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.page-about__hero-content {
    max-width: 900px;
    margin: 0 auto 30px auto;
    padding: 0 20px;
}

.page-about__main-title {
    font-size: clamp(2em, 4vw, 3.2em); /* Responsive H1 font size */
    color: #FF8C1A; /* Main brand color for title */
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-about__hero-description {
    font-size: 1.1em;
    color: #FFF3E6;
    margin-bottom: 30px;
}

.page-about__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    box-sizing: border-box;
    overflow: hidden;
}

.page-about__btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1em;
    transition: all 0.3s ease;
    cursor: pointer;
    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, #FFA53A 0%, #D96800 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(255, 140, 26, 0.4);
}

.page-about__btn-primary:hover {
    background: linear-gradient(180deg, #D96800 0%, #FFA53A 100%);
    box-shadow: 0 6px 20px rgba(255, 140, 26, 0.6);
}

.page-about__btn-secondary {
    background: #17191F;
    color: #FF8C1A;
    border: 2px solid #FF8C1A;
}

.page-about__btn-secondary:hover {
    background: #FF8C1A;
    color: #17191F;
    border-color: #FFA53A;
}

.page-about__section {
    padding: 60px 0;
    background-color: #0D0E12;
}

.page-about__section:nth-of-type(odd) {
    background-color: #17191F;
}

.page-about__container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-about__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.5em);
    color: #FF8C1A;
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
    line-height: 1.3;
}

.page-about__content-block {
    font-size: 1.05em;
    color: #FFF3E6;
    max-width: 900px;
    margin: 0 auto;
}

.page-about__content-block p {
    margin-bottom: 20px;
}

.page-about__content-block h3 {
    font-size: clamp(1.4em, 2.5vw, 1.8em);
    color: #FFA53A;
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-about__content-block ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 20px;
}

.page-about__content-block ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: #FFF3E6;
}

.page-about__content-block ul li::before {
    content: '✓';
    color: #FFA53A;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.page-about__image-figure {
    margin: 30px 0;
    text-align: center;
    background-color: #17191F;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.page-about__content-image {
    width: 100%;
    max-width: 680px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 6px;
    object-fit: cover;
}

.page-about__image-caption {
    font-size: 0.9em;
    color: #A84F0C;
    margin-top: 10px;
}

@media (max-width: 1024px) {
    .page-about__hero-content {
        max-width: 768px;
    }

    .page-about__container {
        padding: 0 15px;
    }

    .page-about__section-title {
        margin-bottom: 30px;
    }

    .page-about__content-block {
        max-width: 768px;
    }
}

@media (max-width: 768px) {
    /* 1. 顶区标题 + 双 CTA */
    .page-about__hero-section {
        padding-top: 10px !important;
        padding-bottom: 30px;
    }

    .page-about__main-title {
        font-size: 2em;
        margin-bottom: 10px;
    }

    .page-about__hero-description {
        font-size: 1em;
        margin-bottom: 20px;
    }

    .page-about__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-about__btn {
        padding: 12px 20px;
        font-size: 0.95em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }
    
    /* 2. Single column long text container */
    .page-about__section {
        padding: 40px 0;
    }

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

    .page-about__section-title {
        font-size: 1.8em;
        margin-bottom: 25px;
    }

    .page-about__content-block {
        font-size: 1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-about__content-block h3 {
        font-size: 1.3em;
        margin-top: 25px;
        margin-bottom: 10px;
    }

    .page-about__content-block ul li {
        font-size: 0.95em;
        margin-bottom: 8px;
    }

    /* 3. Generic images and figure */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    .page-about__image-figure {
        margin: 20px 0;
        padding: 10px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-about__content-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-about__image-caption {
        font-size: 0.85em;
    }
}