:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --background-color: #08160F; /* Nền tối */
    --card-bg: #11271B;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;
}

.page-support {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Chữ sáng trên nền tối */
    background-color: var(--background-color);
    line-height: 1.6;
}

/* Hero Section */
.page-support__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column; /* Hình ảnh trên, nội dung dưới */
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* Nhỏ để không bị double padding với body */
    text-align: center;
    overflow: hidden;
}

.page-support__hero-image-wrapper {
    width: 100%;
    max-width: 1920px; /* Kích thước tối đa của hình ảnh */
    margin-bottom: 30px; /* Khoảng cách giữa ảnh và nội dung */
    box-sizing: border-box;
    overflow: hidden;
}

.page-support__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 10px;
}

.page-support__hero-content {
    max-width: 900px;
    z-index: 1;
    position: relative;
}

.page-support__main-title {
    font-size: clamp(2em, 4vw, 3.2em); /* Giới hạn font-size cho h1 */
    color: var(--gold-color);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(87, 227, 141, 0.5); /* Hiệu ứng glow nhẹ */
}

.page-support__description {
    font-size: 1.1em;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    width: 100%; /* Đảm bảo container nút không tràn */
    max-width: 600px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    box-sizing: border-box; /* Quan trọng cho responsive */
    max-width: 100%; /* Quan trọng cho responsive */
    white-space: normal; /* Cho phép chữ xuống dòng */
    word-wrap: break-word; /* Ngắt từ khi cần */
    text-align: center;
}

.page-support__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main); /* Chữ sáng trên nền nút */
    border: 2px solid var(--primary-color);
}

.page-support__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(87, 227, 141, 0.4);
}

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

.page-support__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-main);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(17, 168, 78, 0.3);
}

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

.page-support__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.5em);
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
}

.page-support__section-intro {
    font-size: 1.1em;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* How We Can Help Section */
.page-support__how-we-help-section {
    background-color: var(--deep-green);
    padding: 60px 0;
}

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

.page-support__help-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-support__help-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(87, 227, 141, 0.3);
}

.page-support__card-image {
    width: 100%;
    max-width: 400px; /* Đảm bảo hình ảnh không quá lớn */
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-support__card-title {
    font-size: 1.5em;
    color: var(--gold-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-support__card-text {
    font-size: 1em;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-support__card-link,
.page-support__card-button {
    display: inline-block;
    padding: 10px 20px;
    background: var(--button-gradient);
    color: var(--text-main);
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s ease;
    border: none;
    cursor: pointer;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-support__card-link:hover,
.page-support__card-button:hover {
    background: var(--primary-color);
    box-shadow: 0 4px 10px rgba(87, 227, 141, 0.3);
}

/* FAQ Section */
.page-support__faq-section {
    padding: 60px 0;
}

.page-support__faq-list {
    margin-top: 40px;
}

.page-support__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-support__faq-item summary {
    list-style: none; /* Hide default marker */
    cursor: pointer;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--gold-color);
    background-color: var(--deep-green);
    border-bottom: 1px solid var(--border-color);
}

.page-support__faq-item summary::-webkit-details-marker {
    display: none; /* Hide default marker for webkit browsers */
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.page-support__faq-qtext {
    flex-grow: 1;
}

.page-support__faq-toggle {
    font-size: 1.5em;
    margin-left: 15px;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.page-support__faq-item[open] .page-support__faq-toggle {
    transform: rotate(45deg); /* Rotate + to become x or change to - */
}

.page-support__faq-answer {
    padding: 20px 25px;
    font-size: 1em;
    color: var(--text-secondary);
    background-color: var(--card-bg);
    border-top: 1px solid var(--divider-color);
}

.page-support__faq-answer p {
    margin-bottom: 15px;
}

.page-support__faq-link {
    color: var(--gold-color);
    text-decoration: underline;
    font-weight: 500;
    transition: color 0.3s ease;
}

.page-support__faq-link:hover {
    color: var(--glow-color);
}

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

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

.page-support__contact-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-support__contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(87, 227, 141, 0.3);
}

/* Additional Resources Section */
.page-support__additional-resources-section {
    padding: 60px 0;
}

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

.page-support__resource-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 25px;
    text-decoration: none;
    display: block;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    text-align: center;
}

.page-support__resource-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(87, 227, 141, 0.2);
}

.page-support__resource-title {
    font-size: 1.3em;
    color: var(--gold-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-support__resource-text {
    font-size: 0.95em;
    color: var(--text-secondary);
}

/* Final CTA Section */
.page-support__final-cta-section {
    padding: 60px 0;
    text-align: center;
    background-color: var(--deep-green);
    border-top: 1px solid var(--divider-color);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-support__hero-content {
        padding: 0 20px;
    }
    .page-support__main-title {
        font-size: clamp(2em, 5vw, 3em);
    }
    .page-support__section-title {
        font-size: clamp(1.6em, 4vw, 2.2em);
    }
}

@media (max-width: 768px) {
    .page-support__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
    }
    .page-support__hero-image-wrapper,
    .page-support__container,
    .page-support__cta-buttons,
    .page-support__help-cards,
    .page-support__contact-cards,
    .page-support__resource-grid,
    .page-support__faq-list {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    .page-support__hero-image,
    .page-support__card-image,
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-support__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-support__btn-primary,
    .page-support__btn-secondary,
    .page-support__card-link,
    .page-support__card-button,
    .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__help-cards,
    .page-support__contact-cards,
    .page-support__resource-grid {
        grid-template-columns: 1fr;
    }

    .page-support__faq-item summary {
        font-size: 1.1em;
        padding: 15px 20px;
    }

    .page-support__faq-answer {
        padding: 15px 20px;
    }
}

@media (max-width: 480px) {
    .page-support__main-title {
        font-size: clamp(1.8em, 7vw, 2.5em);
    }
    .page-support__section-title {
        font-size: clamp(1.5em, 6vw, 2em);
    }
    .page-support__description,
    .page-support__section-intro,
    .page-support__card-text,
    .page-support__faq-answer,
    .page-support__resource-text {
        font-size: 0.95em;
    }
}