/* style/support.css */
/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */

/* Custom Properties for Colors */
:root {
    --color-primary: #11A84E;
    --color-secondary: #22C768;
    --color-background: #08160F;
    --color-card-bg: #11271B;
    --color-text-main: #F2FFF6;
    --color-text-secondary: #A7D9B8;
    --color-border: #2E7A4E;
    --color-glow: #57E38D;
    --color-gold: #F2C14E;
    --color-divider: #1E3A2A;
    --color-deep-green: #0A4B2C;
    --gradient-button: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-support {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-main); /* Default text color for the page, assuming dark body bg */
    background-color: var(--color-background); /* Specific background for main content area */
}

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

/* Hero Section */
.page-support__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 10px 0 60px 0; /* Small top padding, relying on body for header offset */
    background-color: var(--color-deep-green); /* Background for the hero section */
}

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

.page-support__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.7); /* Slightly darken image to make text more readable */
}

.page-support__hero-content {
    padding: 40px 20px;
    max-width: 900px;
    margin-top: -100px; /* Pull content up slightly over the image for visual flow */
    position: relative; /* Ensure z-index works if needed */
    z-index: 2; /* Place content above image if there's any overlap */
    background-color: rgba(0, 0, 0, 0.4); /* Semi-transparent background for text readability */
    border-radius: 10px;
    padding: 30px;
}

.page-support__main-title {
    font-size: clamp(2em, 5vw, 3.5em); /* Responsive font size */
    color: var(--color-gold);
    margin-bottom: 15px;
    font-weight: bold;
    line-height: 1.2;
}

.page-support__hero-description {
    font-size: 1.1em;
    color: var(--color-text-main);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__cta-button {
    display: inline-block;
    background: var(--gradient-button);
    color: #fff;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.page-support__cta-button:hover {
    background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

/* Section Titles */
.page-support__section-title {
    font-size: 2.5em;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
}

.page-support__section-title--light {
    color: var(--color-gold); /* For dark background sections */
}

.page-support__section-description {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
    color: var(--color-text-secondary);
}

/* Why Choose Section */
.page-support__why-choose-section {
    padding: 80px 0;
    background-color: var(--color-background);
}

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

.page-support__feature-card {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    border: 1px solid var(--color-border);
}

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

.page-support__feature-icon {
    width: 100%;
    max-width: 250px;
    height: auto;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    border-radius: 8px;
}

.page-support__feature-title {
    font-size: 1.5em;
    color: var(--color-gold);
    margin-bottom: 10px;
}

.page-support__feature-description {
    color: var(--color-text-secondary);
}

/* Channels Section */
.page-support__channels-section {
    padding: 80px 0;
    background-color: var(--color-deep-green); /* Use deep green for dark section */
    color: var(--color-text-main);
}

.page-support__channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__channel-card {
    background-color: rgba(255, 255, 255, 0.08); /* Lighter card on dark bg */
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-support__channel-title {
    font-size: 1.6em;
    color: var(--color-gold);
    margin-bottom: 15px;
}

.page-support__channel-description {
    color: var(--color-text-secondary);
    margin-bottom: 25px;
    min-height: 80px; /* Ensure consistent card height */
}

.page-support__btn-secondary {
    display: inline-block;
    background-color: var(--color-primary); /* Use primary color for secondary button */
    color: #fff;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

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

/* Guide Section */
.page-support__guide-section {
    padding: 80px 0;
    background-color: var(--color-background);
}

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

.page-support__guide-item {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
}

.page-support__guide-subtitle {
    font-size: 1.5em;
    color: var(--color-gold);
    margin-bottom: 15px;
}

.page-support__guide-text {
    color: var(--color-text-secondary);
}

/* FAQ Section */
.page-support__faq-section {
    padding: 80px 0;
    background-color: var(--color-deep-green); /* Dark section */
    color: var(--color-text-main);
}

.page-support__faq-list {
    max-width: 900px;
    margin: 50px auto 0 auto;
}

.page-support__faq-item {
    background-color: rgba(255, 255, 255, 0.08);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.2em;
    color: var(--color-text-main);
    font-weight: bold;
    list-style: none; /* Remove default marker for details summary */
}

.page-support__faq-question::-webkit-details-marker {
    display: none; /* Hide Webkit default marker */
}

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

.page-support__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: var(--color-gold);
}

.page-support__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1.1em;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.page-support__faq-answer p {
    margin: 0;
}

.page-support__faq-answer a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Commitment Section */
.page-support__commitment-section {
    padding: 80px 0;
    background-color: var(--color-background);
}

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

.page-support__commitment-item {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
}

.page-support__commitment-title {
    font-size: 1.5em;
    color: var(--color-gold);
    margin-bottom: 15px;
}

.page-support__commitment-description {
    color: var(--color-text-secondary);
}

/* CTA Section */
.page-support__cta-section {
    padding: 80px 0;
    background-color: var(--color-deep-green); /* Dark section */
    text-align: center;
}

.page-support__cta-container {
    max-width: 800px;
    margin: 0 auto;
}

.page-support__cta-description {
    font-size: 1.1em;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

/* Button primary is the same as cta-button, just for semantic clarity */
.page-support__btn-primary {
    display: inline-block;
    background: var(--gradient-button);
    color: #fff;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.page-support__btn-primary:hover {
    background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-support__main-title {
        font-size: clamp(2em, 6vw, 3em);
    }
    .page-support__hero-content {
        margin-top: -80px;
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .page-support {
        font-size: 16px;
        line-height: 1.6;
    }

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

    .page-support__hero-section {
        padding: 10px 0 40px 0;
    }

    .page-support__hero-content {
        margin-top: -60px;
        padding: 20px;
    }

    .page-support__main-title {
        font-size: clamp(1.8em, 7vw, 2.5em);
    }

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

    .page-support__section-description {
        margin-bottom: 30px;
    }

    .page-support__why-choose-section,
    .page-support__channels-section,
    .page-support__guide-section,
    .page-support__faq-section,
    .page-support__commitment-section,
    .page-support__cta-section {
        padding: 60px 0;
    }

    /* Images responsiveness */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    /* All containers with images/videos/buttons */
    .page-support__hero-image-wrapper,
    .page-support__features-grid,
    .page-support__channels-grid,
    .page-support__guide-steps,
    .page-support__commitment-grid,
    .page-support__faq-list,
    .page-support__cta-buttons,
    .page-support__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important; /* Ensure no horizontal scroll */
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Specific for hero content to avoid double padding if container applies it */
    .page-support__hero-content {
        padding-left: 20px;
        padding-right: 20px;
    }

    /* Buttons responsiveness */
    .page-support__cta-button,
    .page-support__btn-primary,
    .page-support__btn-secondary,
    .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; /* Ensure text inside button has padding */
        padding-right: 15px;
    }

    .page-support__cta-buttons {
        flex-direction: column; /* Stack buttons vertically on mobile */
        gap: 15px; /* Spacing between stacked buttons */
    }

    .page-support__channel-description {
        min-height: auto; /* Remove fixed height on mobile */
    }
}

/* Ensure contrast for text on specific backgrounds */
.page-support__dark-section {
    color: var(--color-text-main); /* Light text on dark background */
}

/* Links in dark sections */
.page-support__faq-answer a {
    color: var(--color-gold); /* Gold links on dark background */
}