:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #ffffff;
    --button-register-bg: #C30808;
    --button-login-bg: #C30808;
    --button-text-yellow: #FFFF00;
    --background-color: #FFFFFF; /* Assuming body background is white as default, or from shared.css */
    --border-color: #e0e0e0;
}

.page-support {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Default text color for light background */
    background-color: var(--background-color); /* Ensure body background is consistent */
}

/* Header offset - applied to the first main content 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: var(--header-offset, 120px); /* Use CSS variable for header offset */
    background: linear-gradient(135deg, var(--primary-color) 0%, #308f5a 100%); /* Green gradient for hero */
    color: var(--text-light); /* Light text for dark background */
}

.page-support__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.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;
    min-width: 200px; /* Enforce min size */
    min-height: 200px; /* Enforce min size */
}

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

.page-support__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    color: var(--text-light);
}

.page-support__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-light);
}

.page-support__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    width: 100%; /* Ensure container takes full width for wrapping */
}

.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-sizing: border-box; /* Include padding in element's total width */
    max-width: 100%;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Break long words */
    text-align: center;
}

.page-support__btn-primary {
    background: var(--button-register-bg); /* Custom color for register/login type buttons */
    color: var(--button-text-yellow); /* Custom font color */
    border: 2px solid var(--button-register-bg);
}

.page-support__btn-primary:hover {
    background: #a80707; /* Slightly darker red on hover */
    border-color: #a80707;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-support__btn-secondary {
    background: var(--secondary-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-support__btn-secondary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* General Section Styling */
.page-support__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.page-support__section-title {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.page-support__section-title--white {
    color: var(--text-light);
}

.page-support__section-intro {
    font-size: 1.1em;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px auto;
    color: var(--text-dark);
}

.page-support__section-intro--white {
    color: var(--text-light);
}

/* Contact Methods Section */
.page-support__contact-methods {
    padding: 60px 0;
    background-color: var(--background-color); /* Light background */
}

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

.page-support__method-item {
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    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;
    color: var(--text-dark); /* Ensure dark text on light background */
}

.page-support__method-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-support__method-item img {
    width: 100%;
    height: auto;
    max-width: 250px; /* Limit image width within card */
    margin: 0 auto 20px auto;
    display: block;
    border-radius: 5px;
    min-width: 200px; /* Enforce min size */
    min-height: 200px; /* Enforce min size */
}

.page-support__method-title {
    font-size: 1.8em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-support__method-description {
    margin-bottom: 25px;
    font-size: 1em;
}

/* FAQ Section */
.page-support__faq-section {
    padding: 60px 0;
    background-color: var(--primary-color); /* Dark background */
    color: var(--text-light);
}

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

/* FAQ容器样式 */
.page-support__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* FAQ默认状态 - 答案隐藏 */
.page-support__faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    padding: 0 20px;
    opacity: 0;
    background: var(--secondary-color); /* Light background for answer */
    color: var(--text-dark); /* Dark text for answer */
}

/* FAQ展开状态 - ⚠️ Sử dụng!important và đủ lớn max-height để đảm bảo có thể mở rộng */
.page-support__faq-item.active .page-support__faq-answer {
    max-height: 2000px !important; /* ⚠️ Sử dụng!important để đảm bảo độ ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
    padding: 20px !important;
    opacity: 1;
    border-radius: 0 0 8px 8px;
}

/* Vấn đề phong cách */
.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    background: var(--secondary-color); /* Light background for question */
    color: var(--primary-color); /* Primary color for question text */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
    position: relative;
}

.page-support__faq-question:hover {
    background: #f5f5f5;
    border-color: #d0d0d0;
    color: #005f2c; /* Slightly darker primary on hover */
}

.page-support__faq-question:active {
    background: #eeeeee;
}

/* Vấn đề tiêu đề phong cách */
.page-support__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 1.1em;
    font-weight: 600;
    line-height: 1.5;
    pointer-events: none; /* Ngăn chặn thẻ h3 chặn sự kiện nhấp chuột */
    color: inherit; /* Kế thừa màu từ phần tử cha (.page-support__faq-question) */
}

/* Chuyển đổi biểu tượng */
.page-support__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    line-height: 1;
    color: var(--primary-color);
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
    pointer-events: none; /* Ngăn chặn biểu tượng chặn sự kiện nhấp chuột */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.page-support__faq-item.active .page-support__faq-toggle {
    color: #333; /* Màu tối hơn khi hoạt động */
    transform: rotate(45deg); /* Tùy chọn: xoay để tạo hiệu ứng 'x' */
}

.page-support__faq-image-wrapper {
    text-align: center;
    margin-top: 40px;
}

.page-support__faq-image-wrapper img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    min-width: 200px; /* Enforce min size */
    min-height: 200px; /* Enforce min size */
}

/* Resources Section */
.page-support__resources-section {
    padding: 60px 0;
    background-color: var(--background-color);
}

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

.page-support__resource-card {
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-dark); /* Ensure dark text on light background */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-support__resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-support__card-title {
    font-size: 1.4em;
    margin-bottom: 15px;
}

.page-support__card-title a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-support__card-title a:hover {
    color: #005f2c; /* Slightly darker primary on hover */
    text-decoration: underline;
}

.page-support__card-description {
    font-size: 1em;
    margin-bottom: 20px;
    flex-grow: 1; /* Allows description to take up available space */
}


/* Responsive Design */
@media (max-width: 1024px) {
    .page-support__hero-title {
        font-size: 2.8em;
    }
    .page-support__section-title {
        font-size: 2em;
    }
    .page-support__hero-image img,
    .page-support__method-item img,
    .page-support__faq-image-wrapper img {
        max-width: 80%;
    }
}

@media (max-width: 768px) {
    .page-support__hero-section {
        padding-top: var(--header-offset, 120px) !important; /* Mobile specific header offset */
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-support__hero-title {
        font-size: 2.2em;
    }

    .page-support__hero-description {
        font-size: 1em;
    }

    .page-support__cta-buttons {
        flex-direction: column; /* Stack buttons vertically on mobile */
        gap: 15px;
        padding: 0 15px; /* Add padding to button container */
        box-sizing: border-box !important;
        width: 100% !important;
        max-width: 100% !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;
        padding-right: 15px;
    }

    .page-support__container {
        padding: 30px 15px;
    }

    .page-support__section-title {
        font-size: 1.8em;
    }
    .page-support__section-intro {
        font-size: 0.95em;
    }

    .page-support__methods-grid,
    .page-support__resources-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
    }

    .page-support__method-item,
    .page-support__resource-card {
        padding: 25px;
    }

    .page-support__method-item img {
        max-width: 200px;
    }

    /* FAQ Mobile */
    .page-support__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }
    
    .page-support__faq-question h3 {
        font-size: 1em;
        margin-bottom: 0;
        width: calc(100% - 40px);
    }
    
    .page-support__faq-toggle {
        margin-left: 10px;
        width: 24px;
        height: 24px;
        font-size: 20px;
    }
    
    .page-support__faq-answer {
        padding: 0 15px;
    }
    
    .page-support__faq-item.active .page-support__faq-answer {
        padding: 15px !important;
    }

    .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;
    }
}

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