.page-support {
    font-family: 'Arial', sans-serif;
    color: #333333;
    line-height: 1.6;
}

.page-support__dark-bg {
    background-color: #26A9E0;
    color: #ffffff;
}

.page-support__light-bg {
    background-color: #ffffff;
    color: #333333;
}

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

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

.page-support__hero-image-wrapper {
    width: 100%;
    max-height: 700px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.page-support__hero-content {
    position: relative;
    z-index: 1;
    padding: 40px 20px;
    max-width: 900px;
    margin-top: -100px; /* Overlap slightly for visual effect, ensures text is below image */
    background-color: rgba(255, 255, 255, 0.1); /* Slight background for readability */
    border-radius: 8px;
}

.page-support__hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: #ffffff;
    line-height: 1.2;
}

.page-support__hero-description {
    font-size: 1.15rem;
    margin-bottom: 30px;
    color: #f0f0f0;
}

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

/* General Section Styling */
.page-support__section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #26A9E0;
}

.page-support__dark-bg .page-support__section-title {
    color: #ffffff;
}

.page-support__section-description {
    font-size: 1.05rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.7;
}

/* Channel Cards Section */
.page-support__channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__channel-card {
    background-color: #f9f9f9;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-support__channel-icon {
    width: 100%;
    height: auto;
    max-width: 250px;
    margin-bottom: 20px;
    border-radius: 8px;
}

.page-support__channel-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #26A9E0;
}

.page-support__channel-text {
    font-size: 1rem;
    margin-bottom: 25px;
    flex-grow: 1;
}

/* Common Issues Section */
.page-support__issues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__issue-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    color: #ffffff;
}

.page-support__issue-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #ffffff;
}

.page-support__issue-text {
    font-size: 1rem;
    margin-bottom: 25px;
    flex-grow: 1;
    color: #f0f0f0;
}

/* Security Section */
.page-support__security-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    margin-top: 40px;
}

.page-support__security-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-support__security-text-block {
    flex: 1;
}

.page-support__security-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 0;
    margin-bottom: 15px;
    color: #26A9E0;
}

.page-support__security-paragraph {
    font-size: 1rem;
    margin-bottom: 20px;
}

/* FAQ Section */
.page-support__faq-list {
    margin-top: 40px;
}

.page-support__faq-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #ffffff;
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none; /* For details tag */
    color: #ffffff;
}

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

.page-support__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    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;
    color: #f0f0f0;
}

/* Contact CTA Section */
.page-support__contact-cta-section {
    text-align: center;
    padding: 80px 20px;
}

/* Buttons */
.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
    text-align: center;
}

.page-support__btn-primary {
    background-color: #EA7C07; /* Login color */
    color: #ffffff;
    border: 2px solid #EA7C07;
}

.page-support__btn-primary:hover {
    background-color: #d16b06;
    border-color: #d16b06;
}

.page-support__btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.page-support__light-bg .page-support__btn-secondary {
    color: #26A9E0;
    border-color: #26A9E0;
}

.page-support__btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.page-support__light-bg .page-support__btn-secondary:hover {
    background-color: rgba(38, 169, 224, 0.1);
    color: #26A9E0;
}

/* Footer Note */
.page-support__footer-note {
    padding: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: #f0f0f0;
    margin-top: 60px;
}

.page-support__copyright {
    margin: 0;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-support__hero-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }

    .page-support__hero-description {
        font-size: 1.05rem;
    }

    .page-support__security-content {
        flex-direction: column;
        align-items: center;
    }

    .page-support__security-image {
        max-width: 100%;
    }
}

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

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

    .page-support__hero-content {
        margin-top: -50px; /* Adjust overlap */
        padding: 20px 15px;
    }

    .page-support__hero-title {
        font-size: 2.2rem !important;
    }

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

    .page-support__hero-cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 通用图片与容器 */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-support__container,
    .page-support__channel-card,
    .page-support__issue-card,
    .page-support__security-content,
    .page-support__faq-item,
    .page-support__contact-cta-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 按钮与按钮容器 */
    .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;
        padding-right: 15px;
    }

    .page-support__cta-buttons,
    .page-support__button-group,
    .page-support__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0px;
        padding-right: 0px;
        flex-wrap: wrap !important;
        gap: 10px;
    }

    /* 其他内容模块 (FAQ, channels, issues) */
    .page-support__section-title {
        font-size: 1.8rem !important;
    }

    .page-support__section-description {
        font-size: 0.95rem !important;
    }

    .page-support__channels-grid,
    .page-support__issues-grid {
        grid-template-columns: 1fr;
    }

    .page-support__channel-card,
    .page-support__issue-card {
        padding: 25px 15px;
    }

    .page-support__channel-title,
    .page-support__issue-title,
    .page-support__security-subtitle {
        font-size: 1.5rem !important;
    }

    .page-support__faq-question {
        font-size: 1rem !important;
        padding: 18px 20px;
    }

    .page-support__faq-answer {
        padding: 0 20px 18px 20px;
    }

    .page-support__security-paragraph {
        font-size: 0.95rem;
    }
    .page-support__footer-note {
        padding-left: 15px;
        padding-right: 15px;
    }
}