:root {
    --primary-color: #26A9E0; /* 淡蓝色 */
    --secondary-color: #FFFFFF; /* 白色 */
    --text-dark: #333333;
    --text-light: #ffffff;
    --background-light: #f9f9f9;
    --background-dark: #2087B2; /* Slightly darker shade of primary for contrast */
    --button-login: #EA7C07; /* 登录按钮颜色 */
}

/* Base styles for the page content */
.page-support {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Default text color for light background */
    background-color: var(--secondary-color); /* Default body background is white */
}

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

.page-support__section-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
}

.page-support__paragraph {
    font-size: 16px;
    margin-bottom: 20px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* HERO Section */
.page-support__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: 10px; /* Fixed header spacing, body handles main padding */
    background-color: var(--background-light); /* Light background for the hero section */
}

.page-support__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%; /* Ensure full width for flex item */
}

.page-support__hero-image {
    width: 100%;
    margin-bottom: 30px;
}

.page-support__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    min-height: 200px;
}

.page-support__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.page-support__main-title {
    font-size: clamp(28px, 4vw, 48px); /* H1 font size clamp */
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1.2;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__hero-description {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--button-login); /* Use login color for CTA */
    color: var(--text-light);
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    max-width: 100%; /* Button responsive */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-support__cta-button:hover {
    background: #c26506; /* Manually darkened */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Introduction Section */
.page-support__introduction-section {
    padding: 60px 20px;
    background-color: var(--secondary-color); /* White background */
    color: var(--text-dark);
}

/* Categories Section */
.page-support__categories-section {
    padding: 60px 20px;
    background-color: var(--background-dark); /* Dark background */
    color: var(--text-light);
}

.page-support__categories-section .page-support__section-title {
    color: var(--secondary-color); /* White title on dark background */
}

.page-support__categories-section .page-support__paragraph {
    color: var(--text-light);
}

.page-support__category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__category-card {
    background: var(--secondary-color); /* White card on dark background */
    color: var(--text-dark);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none; /* Ensure link cards don't have default underline */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-support__category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.page-support__category-card img {
    width: 100%; /* Image fills card width */
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    max-width: 100%; /* Image responsive */
    display: block;
    min-width: 200px;
    min-height: 200px;
}

.page-support__card-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-support__card-description {
    font-size: 15px;
    color: var(--text-dark);
    text-align: center;
}

.page-support__cta-container {
    text-align: center;
    margin-top: 50px;
}

.page-support__btn-primary {
    display: inline-block;
    padding: 15px 30px;
    background: var(--primary-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    max-width: 100%; /* Button responsive */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-support__btn-primary:hover {
    background: #1f8eb8; /* Manually darkened */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.page-support__faq-section {
    padding: 60px 20px;
    background-color: var(--secondary-color); /* White background */
    color: var(--text-dark);
}

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

details.page-support__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #e0e0e0;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
details.page-support__faq-item summary.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
}
details.page-support__faq-item summary.page-support__faq-question::-webkit-details-marker {
    display: none;
}
details.page-support__faq-item summary.page-support__faq-question:hover {
    background: #f5f5f5;
}
.page-support__faq-qtext {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: var(--text-dark);
}
.page-support__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-left: 15px;
    width: 28px;
    text-align: center;
}
details.page-support__faq-item .page-support__faq-answer {
    padding: 0 20px 20px;
    background: var(--background-light); /* Light background for answer */
    border-radius: 0 0 5px 5px;
    color: var(--text-dark);
}
details.page-support__faq-item .page-support__faq-answer p {
    margin-bottom: 0;
    font-size: 16px;
    text-align: left;
}

/* Contact Section */
.page-support__contact-section {
    padding: 60px 20px;
    background-color: var(--primary-color); /* Primary color background */
    color: var(--text-light);
}

.page-support__contact-section .page-support__section-title {
    color: var(--text-light); /* White title on primary background */
}

.page-support__contact-section .page-support__paragraph {
    color: var(--text-light);
}

.page-support__contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-support__contact-card {
    background: var(--secondary-color); /* White card on primary background */
    color: var(--text-dark);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-support__contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.page-support__contact-card img {
    width: 200px; /* Changed to meet min size requirement */
    height: 200px; /* Changed to meet min size requirement */
    object-fit: contain; /* Contain to prevent cropping */
    margin-bottom: 20px;
    max-width: 100%; /* Image responsive */
    display: block;
    min-width: 200px;
    min-height: 200px;
}

.page-support__contact-card .page-support__card-title {
    color: var(--primary-color);
}

.page-support__contact-card .page-support__card-description {
    color: var(--text-dark);
    flex-grow: 1; /* Push button to bottom */
}

.page-support__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    background: var(--primary-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 5px;
    font-size: 15px;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    max-width: 100%; /* Button responsive */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-support__btn-secondary:hover {
    background: #1f8eb8; /* Manually darkened */
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.page-support__contact-note {
    margin-top: 50px;
    font-size: 16px;
    color: var(--text-light);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-support__section-title {
        font-size: 32px;
    }
    .page-support__hero-image img {
        height: auto;
    }
    .page-support__main-title {
        font-size: clamp(24px, 4.5vw, 40px);
    }
    .page-support__hero-description {
        font-size: 17px;
    }
    .page-support__category-card img {
        
    }
}

@media (max-width: 768px) {
    .page-support__container {
        padding: 30px 15px;
    }
    .page-support__section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
    .page-support__paragraph {
        font-size: 15px;
        text-align: left;
    }

    /* Hero Section Mobile */
    .page-support__hero-section {
        padding-top: 10px !important; /* body handles main padding */
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-support__hero-image img {
        border-radius: 4px;
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-support__main-title {
        font-size: clamp(22px, 6vw, 36px);
        line-height: 1.3;
    }
    .page-support__hero-description {
        font-size: 15px;
    }
    .page-support__cta-button {
        padding: 12px 30px;
        font-size: 16px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin-left: auto;
        margin-right: auto;
    }

    /* Categories Section Mobile */
    .page-support__category-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-support__category-card {
        padding: 20px;
    }
    .page-support__category-card img {
        
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-support__card-title {
        font-size: 20px;
    }
    .page-support__btn-primary {
        padding: 12px 25px;
        font-size: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin-left: auto;
        margin-right: auto;
    }

    /* FAQ Section Mobile */
    details.page-support__faq-item summary.page-support__faq-question {
        padding: 15px;
    }
    .page-support__faq-qtext {
        font-size: 16px;
    }
    details.page-support__faq-item .page-support__faq-answer {
        padding: 0 15px 15px;
    }
    details.page-support__faq-item .page-support__faq-answer p {
        font-size: 15px;
    }

    /* Contact Section Mobile */
    .page-support__contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-support__contact-card {
        padding: 20px;
    }
    .page-support__contact-card img {
         /* Maintain larger size */
        
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-support__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin-left: auto;
        margin-right: auto;
    }

    /* General responsive image/container rules */
    .page-support img {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
    }
    
    .page-support__section,
    .page-support__card,
    .page-support__container,
    .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;
    }
    
    .page-support__cta-buttons,
    .page-support__button-group,
    .page-support__btn-container {
        flex-direction: column !important; /* Ensure buttons stack */
        gap: 10px; /* Spacing between stacked buttons */
    }
}