.page-support {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light background */
    background-color: var(--background-color, #ffffff); /* Inherit from shared or default to white */
}

/* Hero Section */
.page-support__hero-section {
    position: relative;
    padding-top: 10px; /* Adhering to the ~10px top padding rule */
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
    margin-bottom: 40px;
}

.page-support__hero-image-wrapper {
    width: 100%;
    max-height: 500px; /* Limit height for aesthetic */
    overflow: hidden;
}

.page-support__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.7); /* Slightly darken image for text contrast, not changing color */
}

.page-support__hero-content {
    position: relative; /* Ensure text is above image but not overlapping */
    padding: 20px;
    max-width: 900px;
    margin-top: -100px; /* Pull content up slightly over the bottom of the image */
    background: rgba(255, 255, 255, 0.9); /* Semi-transparent background for text readability */
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.page-support__hero-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem); /* H1 font size clamp */
    color: #017439; /* Brand color for title */
    margin-bottom: 15px;
    font-weight: bold;
    line-height: 1.2;
}

.page-support__hero-description {
    font-size: 1.1rem;
    color: #333333;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

/* General Buttons */
.page-support__btn-primary,
.page-support__btn-secondary,
.page-support__btn-channel,
.page-support__btn-guide {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    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 overflow */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-support__btn-primary {
    background-color: #C30808; /* Custom color for register/login type buttons */
    color: #FFFF00; /* Custom font color for register/login type buttons */
    border: 2px solid #C30808;
}

.page-support__btn-primary:hover {
    background-color: #a30606;
    border-color: #a30606;
}

.page-support__btn-secondary {
    background-color: #ffffff;
    color: #017439; /* Brand color */
    border: 2px solid #017439;
}

.page-support__btn-secondary:hover {
    background-color: #f0f0f0;
    color: #005f2e;
    border-color: #005f2e;
}

.page-support__btn-channel,
.page-support__btn-guide {
    background-color: #017439;
    color: #ffffff;
    border: 2px solid #017439;
    width: 100%; /* Make channel/guide buttons full width in their containers */
}

.page-support__btn-channel:hover,
.page-support__btn-guide:hover {
    background-color: #005f2e;
    border-color: #005f2e;
}


/* General Section Styling */
.page-support__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    box-sizing: border-box;
}

.page-support__section-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    color: #017439;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-support__section-intro {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: #555555;
}

/* Info Section */
.page-support__info-section {
    background-color: #f8f8f8;
    padding: 60px 0;
}

.page-support__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__feature-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-support__feature-item:hover {
    transform: translateY(-5px);
}

.page-support__feature-icon {
    width: 200px; /* Enforcing minimum size for content images */
    height: 200px;
    object-fit: contain;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    min-width: 200px; 
    min-height: 200px;
}

.page-support__feature-title {
    font-size: 1.6rem;
    color: #017439;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-support__feature-description {
    font-size: 1rem;
    color: #555555;
}

/* Channels Section */
.page-support__channels-section {
    padding: 60px 0;
}

.page-support__channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__channel-card {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-support__channel-title {
    font-size: 1.8rem;
    color: #017439;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-support__channel-description {
    font-size: 1rem;
    color: #555555;
    margin-bottom: 25px;
    flex-grow: 1;
}

/* FAQ Section */
.page-support__faq-section {
    background-color: #f8f8f8;
    padding: 60px 0;
}

.page-support__faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
}

.page-support__faq-item {
    background-color: #ffffff;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden; /* For smooth transition of answer */
}

.page-support__faq-item summary {
    list-style: none; /* Hide default marker */
}

.page-support__faq-item summary::-webkit-details-marker {
    display: none; /* Hide default marker for webkit */
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2rem;
    font-weight: bold;
    color: #017439;
    cursor: pointer;
    background-color: #e6f7ed; /* Light brand color background */
    border-bottom: 1px solid #d4edda;
    transition: background-color 0.3s ease;
}

.page-support__faq-question:hover {
    background-color: #d4edda;
}

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

.page-support__faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: #017439;
    margin-left: 15px;
    transition: transform 0.3s ease;
}

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

.page-support__faq-answer {
    padding: 20px 25px;
    font-size: 1rem;
    color: #555555;
    border-top: 1px solid #eee;
}

.page-support__faq-answer p {
    margin-bottom: 15px;
}

.page-support__faq-link {
    color: #017439;
    text-decoration: none;
    font-weight: bold;
    margin-right: 15px;
}

.page-support__faq-link:hover {
    text-decoration: underline;
}

.page-support__faq-more-btn {
    text-align: center;
    margin-top: 40px;
}

/* Guides Section */
.page-support__guides-section {
    padding: 60px 0;
}

.page-support__guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__guide-card {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.page-support__guide-image {
    width: 100%;
    height: 220px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
    min-width: 200px; /* Enforcing minimum size for content images */
    min-height: 200px;
}

.page-support__guide-card h3 {
    padding: 20px 20px 10px 20px;
    font-size: 1.4rem;
    color: #017439;
    font-weight: bold;
    line-height: 1.3;
}

.page-support__guide-card h3 a {
    text-decoration: none;
    color: inherit;
}

.page-support__guide-card h3 a:hover {
    text-decoration: underline;
}

.page-support__guide-description {
    padding: 0 20px 20px 20px;
    font-size: 0.95rem;
    color: #555555;
    flex-grow: 1;
}

.page-support__btn-guide {
    margin: 0 20px 20px 20px;
    padding: 10px 20px;
    width: auto; /* Override 100% from general button for better fit in card */
    align-self: flex-start; /* Align button to start */
}

/* Contact CTA Section */
.page-support__contact-cta-section {
    background-color: #017439; /* Brand color background */
    color: #ffffff;
    padding: 60px 0;
    text-align: center;
}

.page-support__contact-cta-section .page-support__section-title {
    color: #ffffff;
}

.page-support__contact-cta-section .page-support__section-intro {
    color: #f0f0f0;
}

.page-support__contact-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-support__contact-buttons .page-support__btn-primary {
    background-color: #C30808; /* Custom color for register/login type buttons */
    color: #FFFF00; /* Custom font color for register/login type buttons */
    border-color: #C30808;
}

.page-support__contact-buttons .page-support__btn-primary:hover {
    background-color: #a30606;
    border-color: #a30606;
}

.page-support__contact-buttons .page-support__btn-secondary {
    background-color: #ffffff;
    color: #017439;
    border-color: #ffffff;
}

.page-support__contact-buttons .page-support__btn-secondary:hover {
    background-color: #f0f0f0;
    color: #005f2e;
    border-color: #f0f0f0;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-support__container {
        padding: 30px 15px;
    }

    .page-support__hero-title {
        font-size: clamp(2.2rem, 5vw, 3rem);
    }

    .page-support__section-title {
        font-size: clamp(1.8rem, 4.5vw, 2.5rem);
    }

    .page-support__hero-content {
        margin-top: -80px;
        padding: 15px;
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-support__hero-section {
        padding-top: 10px !important; /* Adhering to the ~10px top padding rule */
        margin-bottom: 20px;
    }

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

    .page-support__hero-content {
        margin-top: -50px; /* Adjust for smaller screens */
        padding: 15px;
    }

    .page-support__hero-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: 10px;
    }

    .page-support__hero-description {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .page-support__hero-buttons,
    .page-support__contact-buttons {
        flex-direction: column;
        gap: 10px;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    /* 按钮与按钮容器 */
    .page-support__btn-primary,
    .page-support__btn-secondary,
    .page-support__btn-channel,
    .page-support__btn-guide,
    .page-support a[class*="button"],
    .page-support 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-support__hero-buttons,
    .page-support__contact-buttons,
    .page-support__button-group,
    .page-support__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;
    }
    
    /* 通用图片与容器 */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-support__container,
    .page-support__section,
    .page-support__card,
    .page-support__feature-item,
    .page-support__channel-card,
    .page-support__guide-card,
    .page-support__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 其他内容模块 */
    .page-support__section-title {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
        margin-bottom: 15px;
    }

    .page-support__section-intro {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .page-support__features-grid,
    .page-support__channel-grid,
    .page-support__guides-grid {
        grid-template-columns: 1fr; /* Stack items */
        gap: 20px;
    }

    .page-support__feature-icon {
        width: 200px; 
        height: 200px;
        min-width: 200px;
        min-height: 200px;
    }

    .page-support__feature-title {
        font-size: 1.4rem;
    }

    .page-support__channel-title {
        font-size: 1.6rem;
    }

    .page-support__faq-question {
        font-size: 1.1rem;
        padding: 15px 20px;
    }

    .page-support__faq-answer {
        padding: 15px 20px;
        font-size: 0.95rem;
    }
    
    .page-support__guide-image {
        height: 180px; /* Adjust height for mobile */
    }

    .page-support__guide-card h3 {
        font-size: 1.2rem;
        padding: 15px 15px 10px 15px;
    }

    .page-support__guide-description {
        padding: 0 15px 15px 15px;
    }

    .page-support__btn-guide {
        margin: 0 15px 15px 15px;
    }
}