.page-support {
    font-family: 'Arial', sans-serif;
    color: #333333; /* Default text color for light background */
    background-color: #F5F7FA; /* Background from custom colors */
    line-height: 1.6;
    padding-bottom: 40px; /* Ensure space above footer */
}

.page-support__hero-section {
    padding-top: 10px; /* Small top padding */
    padding-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
    padding-left: 20px;
    padding-right: 20px;
}

.page-support__hero-image-wrapper {
    width: 100%;
    max-width: 100%;
    margin-bottom: 30px;
    overflow: hidden;
    border-radius: 10px;
}

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

.page-support__hero-content {
    max-width: 800px;
}

.page-support__main-title {
    font-size: clamp(2em, 4vw, 2.8em); /* Use clamp for H1 */
    font-weight: 700;
    color: #E53935;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-support__intro-text {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: #333333;
}

.page-support__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

.page-support__cta-buttons--center {
    justify-content: center;
}

.page-support__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: nowrap;
    max-width: 100%; /* Button responsiveness */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-support__btn-primary {
    background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
    color: #ffffff;
    border: 2px solid transparent;
}

.page-support__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-support__btn-secondary {
    background: #ffffff;
    color: #E53935;
    border: 2px solid #E53935;
}

.page-support__btn-secondary:hover {
    background: #E53935;
    color: #ffffff;
    transform: translateY(-2px);
}

.page-support__section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    box-sizing: border-box;
}

.page-support__section-title {
    font-size: 2.2em;
    font-weight: 700;
    color: #E53935;
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.3;
}

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

.page-support__section-description {
    font-size: 1.05em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: #333333;
}

.page-support__section-description--white {
    color: #f0f0f0;
}

.page-support__channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.page-support__channel-card {
    background: #ffffff;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support__channel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.page-support__channel-icon {
    width: 100%; /* Ensure images are responsive within card */
    height: auto;
    max-height: 200px;
    object-fit: cover;
    margin-bottom: 20px;
    border-radius: 8px;
    display: block;
}

.page-support__card-title {
    font-size: 1.5em;
    font-weight: 600;
    color: #E53935;
    margin-bottom: 15px;
}

.page-support__card-text {
    font-size: 0.95em;
    color: #555555;
    margin-bottom: 20px;
}

.page-support__btn-small {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 5px;
    background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
    color: #ffffff;
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 500;
    transition: opacity 0.3s ease;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-support__btn-small:hover {
    opacity: 0.9;
}

.page-support__accordion {
    max-width: 900px;
    margin: 0 auto;
}

.page-support__accordion-item {
    background: #ffffff;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    color: #333333;
}

.page-support__accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
    color: #E53935;
    background-color: #f9f9f9;
    border-bottom: 1px solid #E0E0E0;
    transition: background-color 0.3s ease;
}

.page-support__accordion-header:hover {
    background-color: #f0f0f0;
}

.page-support__accordion-item[open] .page-support__accordion-header {
    background-color: #f0f0f0;
    border-bottom: none;
}

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

.page-support__accordion-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
    color: #E53935;
}

.page-support__accordion-content {
    padding: 0 25px 20px 25px;
    font-size: 0.95em;
    color: #555555;
}

.page-support__accordion-content p {
    margin-bottom: 10px;
}

.page-support__link-inline {
    color: #E53935;
    text-decoration: underline;
    font-weight: 500;
}

.page-support__link-inline:hover {
    color: #FF5A4F;
}

.page-support__dark-bg {
    background-color: #E53935;
    color: #ffffff;
}

.page-support__guide-section {
    padding-top: 80px;
    padding-bottom: 80px;
}

.page-support__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-support__guide-item {
    text-align: center;
}

.page-support__guide-icon {
    width: 100%;
    height: auto;
    max-height: 250px;
    object-fit: contain;
    margin-bottom: 25px;
    border-radius: 8px;
    display: block;
}

.page-support__guide-title {
    font-size: 1.6em;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 15px;
}

.page-support__guide-text {
    font-size: 1em;
    color: #f0f0f0;
}

.page-support__commitment-section {
    padding-top: 80px;
    padding-bottom: 80px;
}

.page-support__commitment-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.page-support__commitment-item {
    background: #ffffff;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.page-support__commitment-title {
    font-size: 1.4em;
    font-weight: 600;
    color: #E53935;
    margin-bottom: 15px;
}

.page-support__commitment-text {
    font-size: 0.95em;
    color: #555555;
}

.page-support__faq-section {
    padding-top: 60px;
    padding-bottom: 60px;
}

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

.page-support__faq-item {
    background: #ffffff;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    color: #333333;
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
    color: #333333; /* FAQ question text color */
    background-color: #f9f9f9;
    border-bottom: 1px solid #E0E0E0;
    transition: background-color 0.3s ease;
}

.page-support__faq-question:hover {
    background-color: #f0f0f0;
}

.page-support__faq-item[open] .page-support__faq-question {
    background-color: #f0f0f0;
    border-bottom: none;
}

.page-support__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
    color: #E53935;
}

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

.page-support__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 0.95em;
    color: #555555;
}

.page-support__faq-answer p {
    margin-bottom: 10px;
}

.page-support__cta-bottom {
    padding-top: 60px;
    padding-bottom: 80px;
    text-align: center;
}

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

    /* 1. 顶区标题 + 双 CTA */
    .page-support__hero-section {
        padding-top: 10px !important; /* Small top padding */
        padding-bottom: 30px;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-support__main-title {
        font-size: clamp(1.8em, 7vw, 2.5em); /* Adjust H1 for smaller screens */
        margin-bottom: 15px;
    }

    .page-support__intro-text {
        font-size: 1em;
        margin-bottom: 20px;
    }

    .page-support__cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 10px;
        margin-top: 20px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 4. 按钮与按钮容器 */
    .page-support__btn,
    .page-support__btn-small,
    .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: 15px;
      padding-right: 15px;
      flex-wrap: wrap !important;
      gap: 10px;
      display: flex; /* Ensure flex context for flex-wrap/column */
      flex-direction: column; /* Default to column for stacked buttons */
    }


    /* 2. 单栏长文容器 */
    .page-support__section {
        padding: 40px 15px; /* Adjust padding for sections */
    }

    .page-support__section-title {
        font-size: 1.8em;
        margin-bottom: 15px;
    }

    .page-support__section-description {
        font-size: 0.95em;
        margin-bottom: 30px;
    }

    .page-support__channel-grid {
        grid-template-columns: 1fr; /* Single column layout for cards */
        gap: 20px;
    }

    .page-support__channel-card,
    .page-support__commitment-item {
        padding: 25px;
    }
    
    /* 3. 通用图片与 figure */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }

    .page-support__hero-image-wrapper,
    .page-support__channel-icon,
    .page-support__guide-icon {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden;
    }

    .page-support__accordion-header {
        padding: 15px 20px;
        font-size: 1em;
    }

    .page-support__accordion-content {
        padding: 0 20px 15px 20px;
        font-size: 0.9em;
    }

    .page-support__guide-steps {
        grid-template-columns: 1fr; /* Single column for guide steps */
        gap: 25px;
    }

    .page-support__guide-title {
        font-size: 1.4em;
    }

    .page-support__commitment-list {
        grid-template-columns: 1fr; /* Single column for commitment items */
        gap: 20px;
    }

    /* 5. 注册教程与 FAQ 区块 */
    .page-support__faq-question {
        padding: 15px 20px;
        font-size: 1em;
    }

    .page-support__faq-answer {
        padding: 0 20px 15px 20px;
        font-size: 0.9em;
    }
    /* Ensure all content containers have proper mobile padding */
    .page-support__section,
    .page-support__channel-card,
    .page-support__accordion-item,
    .page-support__commitment-item,
    .page-support__faq-item {
        padding-left: 15px;
        padding-right: 15px;
        box-sizing: border-box !important;
    }
    .page-support__hero-content,
    .page-support__section-description {
        padding-left: 15px;
        padding-right: 15px;
        box-sizing: border-box !important;
    }
}

/* Ensure no filter on images */
.page-support img {
    filter: none !important;
}

/* Color contrast enforcement */
.page-support__light-bg {
    background: #ffffff;
    color: #333333;
}
.page-support__dark-bg {
    background: #E53935;
    color: #ffffff;
}
.page-support__btn-primary {
    color: #ffffff;
}
.page-support__btn-secondary {
    color: #E53935;
}
.page-support__main-title,
.page-support__section-title,
.page-support__card-title,
.page-support__commitment-title {
    color: #E53935;
}
.page-support__accordion-header,
.page-support__faq-question {
    color: #333333; /* Default for readability on light background */
}
.page-support__accordion-toggle,
.page-support__faq-toggle {
    color: #E53935;
}