.page-ban-ca {
    font-family: Arial, sans-serif;
    color: #333333; /* Dark text for light background */
    line-height: 1.6;
    background-color: #FFFFFF; /* Default body background */
}

.page-ban-ca__hero-section {
    position: relative;
    padding-top: 10px; /* Small top padding, relying on shared for body padding-top */
    margin-bottom: 40px;
    overflow: hidden;
}

.page-ban-ca__hero-image-wrapper {
    width: 100%;
    max-height: 675px; /* Max height for hero image */
    overflow: hidden;
}

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

.page-ban-ca__hero-content {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
    text-align: center;
}

.page-ban-ca__main-title {
    font-size: clamp(2em, 4vw, 3.5em); /* Responsive font size for H1 */
    font-weight: 700;
    line-height: 1.2;
    color: #017439; /* Brand color for main title */
    margin-bottom: 20px;
}

.page-ban-ca__hero-description {
    font-size: 1.1em;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-ban-ca__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    width: 100%; /* Ensure container takes full width */
    max-width: 600px; /* Limit max width for button group */
    margin: 0 auto;
    box-sizing: border-box;
    padding: 0 15px; /* Add padding for mobile */
}

.page-ban-ca__btn-primary,
.page-ban-ca__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    text-align: center;
    max-width: 100%; /* Ensure buttons don't exceed container */
    box-sizing: border-box;
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word;
}

.page-ban-ca__btn-primary {
    background-color: #017439; /* Main brand color */
    color: #FFFFFF;
    border: 2px solid #017439;
}

.page-ban-ca__btn-primary:hover {
    background-color: #005f2f; /* Slightly darker green */
    border-color: #005f2f;
}

.page-ban-ca__btn-secondary {
    background-color: #FFFFFF;
    color: #017439;
    border: 2px solid #017439;
}

.page-ban-ca__btn-secondary:hover {
    background-color: #f0f0f0;
    color: #017439;
}

.page-ban-ca__btn-full-width {
    width: 100%;
    max-width: 300px; /* Max width for single button */
    margin-bottom: 15px;
}

.page-ban-ca__section-title {
    font-size: 2.5em;
    font-weight: 700;
    color: #017439;
    text-align: center;
    margin-bottom: 40px;
    padding-top: 40px;
}

.page-ban-ca__sub-title {
    font-size: 1.8em;
    font-weight: 600;
    color: #017439;
    margin-bottom: 20px;
}

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

.page-ban-ca__introduction-section,
.page-ban-ca__guide-section,
.page-ban-ca__promo-section,
.page-ban-ca__conclusion-section {
    padding: 60px 0;
    background-color: #FFFFFF; /* Light background for these sections */
    color: #333333;
}

.page-ban-ca__features-section,
.page-ban-ca__strategy-section,
.page-ban-ca__faq-section {
    padding: 60px 0;
    background-color: #017439; /* Dark background for these sections */
    color: #FFFFFF;
}

.page-ban-ca__features-section .page-ban-ca__section-title,
.page-ban-ca__features-section .page-ban-ca__sub-title,
.page-ban-ca__features-section .page-ban-ca__card-title,
.page-ban-ca__strategy-section .page-ban-ca__section-title,
.page-ban-ca__strategy-section .page-ban-ca__sub-title,
.page-ban-ca__faq-section .page-ban-ca__section-title,
.page-ban-ca__faq-section .page-ban-ca__faq-qtext {
    color: #FFFFFF; /* White text on dark background */
}

.page-ban-ca__text-block {
    margin-bottom: 30px;
}

.page-ban-ca__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-ban-ca__grid--two-columns {
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.page-ban-ca__card {
    background-color: #FFFFFF;
    color: #333333;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%; /* Ensure cards stretch to fill grid height */
}

.page-ban-ca__card-image {
    width: 100%;
    height: 200px; /* Fixed height for card images */
    object-fit: cover;
    display: block;
}

.page-ban-ca__card-title {
    font-size: 1.4em;
    font-weight: 600;
    padding: 20px 20px 10px;
    margin: 0;
    color: #017439;
}

.page-ban-ca__card p {
    padding: 0 20px 20px;
    flex-grow: 1; /* Allow paragraph to grow */
}

.page-ban-ca__image-wrapper {
    width: 100%;
    height: auto;
    overflow: hidden;
    border-radius: 10px;
}

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

.page-ban-ca__ordered-list,
.page-ban-ca__unordered-list {
    margin-left: 20px;
    margin-bottom: 20px;
}

.page-ban-ca__ordered-list li,
.page-ban-ca__unordered-list li {
    margin-bottom: 10px;
}

/* FAQ styles */
.page-ban-ca__faq-item {
    background-color: #005f2f; /* Darker green for FAQ items */
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #FFFFFF;
}

.page-ban-ca__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1em;
    list-style: none; /* Hide default marker */
}

.page-ban-ca__faq-question::-webkit-details-marker {
    display: none; /* Hide default marker for webkit */
}

.page-ban-ca__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: #FFFFFF;
    transition: transform 0.3s ease;
}

.page-ban-ca__faq-item[open] .page-ban-ca__faq-toggle {
    transform: rotate(45deg); /* Rotate plus to become cross */
}

.page-ban-ca__faq-answer {
    padding: 0 20px 20px;
    font-size: 0.95em;
    line-height: 1.5;
    color: #e0e0e0; /* Lighter text for answer */
}

.page-ban-ca__faq-answer p {
    margin-bottom: 1em;
}

.page-ban-ca__faq-answer a {
    color: #FFFF00; /* Yellow for links in FAQ answer */
    text-decoration: underline;
}

.page-ban-ca__conclusion-text {
    font-size: 1.1em;
    text-align: center;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* General image responsive styles */
.page-ban-ca img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-ban-ca__hero-section {
        padding-top: 10px; /* Small top padding for mobile */
        margin-bottom: 20px;
    }
    .page-ban-ca__hero-content {
        margin: 20px auto;
        padding: 0 15px;
    }
    .page-ban-ca__main-title {
        font-size: 2em; /* Smaller H1 for mobile */
        margin-bottom: 15px;
    }
    .page-ban-ca__hero-description {
        font-size: 1em;
        margin-bottom: 20px;
    }

    /* 按钮与按钮容器 */
    .page-ban-ca__cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 10px;
        padding: 0 15px;
    }
    .page-ban-ca__btn-primary,
    .page-ban-ca__btn-secondary,
    .page-ban-ca a[class*="button"],
    .page-ban-ca 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-ban-ca__btn-full-width {
        max-width: 100% !important;
        width: 100% !important;
    }
    .page-ban-ca__cta-buttons,
    .page-ban-ca__button-group,
    .page-ban-ca__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
        display: flex;
        flex-direction: column; /* Mobile vertical stack */
    }

    /* 通用图片与容器 */
    .page-ban-ca img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-ban-ca__container {
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-ban-ca__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
        padding-top: 30px;
    }
    .page-ban-ca__sub-title {
        font-size: 1.4em;
        margin-bottom: 15px;
    }

    /* 网格布局调整 */
    .page-ban-ca__grid {
        grid-template-columns: 1fr; /* Single column for most grids */
        gap: 20px;
        margin-top: 20px;
    }
    .page-ban-ca__grid--two-columns {
        grid-template-columns: 1fr; /* Single column for two-column grids */
    }
    .page-ban-ca__grid--reverse-on-mobile {
        display: flex;
        flex-direction: column-reverse; /* Reverse order for image-text sections */
    }

    /* 卡片布局图片要求 */
    .page-ban-ca__card-image {
        height: 180px; /* Slightly smaller card image height for mobile */
    }
    .page-ban-ca__card-title {
        font-size: 1.2em;
        padding: 15px 15px 5px;
    }
    .page-ban-ca__card p {
        padding: 0 15px 15px;
    }

    /* FAQ */
    .page-ban-ca__faq-question {
        padding: 15px;
        font-size: 1em;
    }
    .page-ban-ca__faq-answer {
        padding: 0 15px 15px;
        font-size: 0.9em;
    }
    .page-ban-ca__faq-item {
        margin-bottom: 10px;
    }

    /* Conclusion section */
    .page-ban-ca__conclusion-text {
        font-size: 1em;
        margin-bottom: 30px;
    }
}