:root {
    /* Custom Colors */
    --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --card-bg: #10233F;
    --text-main: #F3F8FF;
    --text-secondary: #AFC4E8;
    --border-color: #244D84;
    --glow-color: #4FA8FF;
    --gold-color: #F2C14E;
    --divider-color: #1B3357;
    --deep-navy: #08162B; /* This is the body background from shared.css */
}

.page-support {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Default text color for the page, as body background is dark */
    background-color: var(--deep-navy); /* Ensure consistency, though body handles it */
}

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

.page-support__section-spacing {
    padding-top: 60px;
    padding-bottom: 60px;
}

/* Hero Section */
.page-support__hero-section {
    position: relative;
    overflow: hidden;
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-support__hero-image-wrapper {
    width: 100%;
    height: auto;
    max-height: 500px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
}

.page-support__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    min-width: 200px;
    min-height: 200px;
}

.page-support__hero-content-wrapper {
    max-width: 800px;
    padding: 0 20px;
}

.page-support__main-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    color: var(--gold-color);
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(79, 168, 255, 0.5);
}

.page-support__hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
}

.page-support__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    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-support__btn-primary {
    background: var(--button-gradient);
    color: #ffffff;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(17, 68, 166, 0.4);
}

.page-support__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 68, 166, 0.6);
}

.page-support__btn-secondary {
    background-color: transparent;
    color: var(--glow-color);
    border: 2px solid var(--glow-color);
    box-shadow: 0 0 10px rgba(79, 168, 255, 0.3);
}

.page-support__btn-secondary:hover {
    background-color: var(--glow-color);
    color: var(--deep-navy);
    box-shadow: 0 0 15px rgba(79, 168, 255, 0.5);
    transform: translateY(-2px);
}

/* Section Titles */
.page-support__section-title {
    font-size: clamp(2rem, 3.5vw, 3rem);
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 0 0 8px rgba(79, 168, 255, 0.4);
}

.page-support__section-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
}

/* FAQ Section */
.page-support__faq-list {
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.page-support__faq-item {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--divider-color);
    color: var(--text-main);
}

.page-support__faq-item:last-child {
    border-bottom: none;
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
    list-style: none;
    color: var(--text-main);
}

.page-support__faq-question::-webkit-details-marker {
    display: none;
}

.page-support__faq-item[open] > .page-support__faq-question {
    background-color: rgba(29, 95, 209, 0.2);
    color: var(--glow-color);
}

.page-support__faq-question:hover {
    background-color: rgba(29, 95, 209, 0.1);
}

.page-support__faq-qtext {
    flex-grow: 1;
    margin-right: 15px;
}

.page-support__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    font-weight: normal;
    transition: transform 0.3s ease;
}

.page-support__faq-item[open] .page-support__faq-toggle {
    transform: rotate(45deg);
}

.page-support__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding-top 0.4s ease-out;
}

.page-support__faq-item[open] .page-support__faq-answer {
    max-height: 1000px;
    padding-top: 15px;
}

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

/* Contact Channels Section */
.page-support__channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-support__channel-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-support__channel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-support__channel-icon {
    width: 100%;
    height: auto;
    max-width: 200px; /* Limit width for aesthetic */
    margin-bottom: 20px;
    object-fit: contain;
    min-width: 200px;
    min-height: 200px;
}

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

.page-support__channel-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

/* Tips Section */
.page-support__tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-support__tip-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-support__tip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-support__tip-icon {
    width: 100%;
    height: auto;
    max-width: 250px;
    margin-bottom: 20px;
    object-fit: contain;
    min-width: 200px;
    min-height: 200px;
}

.page-support__tip-title {
    font-size: 1.3rem;
    color: var(--gold-color);
    margin-bottom: 10px;
}

.page-support__tip-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.page-support__cta-section {
    background-color: var(--deep-navy);
    color: var(--text-main);
    text-align: center;
    padding: 80px 20px;
    border-top: 1px solid var(--divider-color);
}

.page-support__cta-title {
    color: var(--gold-color);
    font-size: clamp(2.2rem, 3.8vw, 3.2rem);
    margin-bottom: 20px;
}

.page-support__cta-description {
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 40px auto;
    font-size: 1.1rem;
}

.page-support__cta-button-bottom {
    background: var(--button-gradient);
    color: #ffffff;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(17, 68, 166, 0.4);
    padding: 16px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-support__cta-button-bottom:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(17, 68, 166, 0.6);
}

/* General image styling to ensure minimum size and no filter */
.page-support img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: none;
    -webkit-filter: none;
    min-width: 200px;
    min-height: 200px;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .page-support__container {
        padding: 0 15px !important;
    }

    .page-support__section-spacing {
        padding-top: 40px !important;
        padding-bottom: 40px !important;
    }

    /* HERO 主图区域 */
    .page-support__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px !important;
    }

    .page-support__hero-image-wrapper {
        margin-bottom: 20px !important;
        max-height: 300px !important;
    }

    .page-support__main-title {
        font-size: 2rem !important;
        margin-bottom: 15px !important;
    }

    .page-support__hero-description {
        font-size: 0.95rem !important;
        margin-bottom: 25px !important;
    }

    /* 按钮与按钮容器 */
    .page-support__cta-buttons {
        flex-direction: column !important;
        gap: 15px !important;
        padding: 0 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .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 !important;
        padding-right: 15px !important;
    }

    /* 其他内容模块 (FAQ, Contact Channels, Tips) */
    .page-support__section-title {
        font-size: 1.8rem !important;
        margin-bottom: 15px !important;
    }

    .page-support__section-description {
        font-size: 0.9rem !important;
        margin-bottom: 30px !important;
    }

    .page-support__faq-question {
        font-size: 1rem !important;
        padding: 15px !important;
    }

    .page-support__faq-answer {
        padding: 0 15px 15px 15px !important;
        font-size: 0.9rem !important;
    }

    /* 产品展示图区域 (for channels-grid and tips-grid) */
    .page-support__channels-grid,
    .page-support__tips-grid {
        grid-template-columns: 1fr !important;
        gap: 25px !important;
        padding: 0 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-support__channel-card,
    .page-support__tip-card {
        padding: 20px !important;
    }

    /* 通用图片与容器 */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        min-width: 200px !important;
        min- /* Adjusted for mobile card images */
    }
    
    .page-support__hero-image {
        min-width: 200px !important;
        min-height: 150px !important; /* Adjusted for mobile hero aspect */
    }

    .page-support__channel-icon,
    .page-support__tip-icon {
        width: 100% !important;
        max-width: 250px !important;
        height: auto !important;
        min-width: 200px !important;
        min-height: 150px !important;
    }

    /* CTA Section specific mobile adjustments */
    .page-support__cta-section {
        padding: 60px 15px !important;
    }

    .page-support__cta-title {
        font-size: 2rem !important;
    }

    .page-support__cta-description {
        font-size: 1rem !important;
    }

    .page-support__cta-button-bottom {
        padding: 14px 25px !important;
        font-size: 1rem !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
}