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

/* style/support.css */
/* body đã có padding-top: var(--header-offset) từ shared.css, không lặp lại */
.page-support {
    font-family: 'Arial', sans-serif;
    color: var(--color-text-main);
    background-color: var(--color-background);
}

.page-support__section {
    padding: 60px 0;
}

.page-support__dark-section {
    background-color: var(--color-deep-green);
    color: var(--color-text-main);
}

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

/* Hero Section */
.page-support__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 10px; /* Nhỏ hơn so với --header-offset */
    padding-bottom: 60px;
    background-color: var(--color-deep-green);
    overflow: hidden;
}

.page-support__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.page-support__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2; /* Để hình ảnh không quá nổi bật */
}

.page-support__hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 40px;
    border-radius: 10px;
}

.page-support__main-title {
    color: var(--color-gold);
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-support__description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-main);
    margin-bottom: 30px;
    line-height: 1.6;
}

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

.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: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-support__btn-primary {
    background: var(--color-button-gradient);
    color: var(--color-text-main);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-support__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-support__btn-secondary:hover {
    background-color: var(--color-gold);
    color: var(--color-background);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* General Section Styling */
.page-support__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.3;
}

.page-support__section-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
}

.page-support__content-wrapper {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
}

.page-support__content-wrapper--reverse {
    flex-direction: row-reverse;
}

.page-support__text-block {
    flex: 1;
}

.page-support__text-block p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 15px;
    color: var(--color-text-main);
}

.page-support__image-block {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.page-support__image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    display: block;
    margin: 0 auto;
}

/* FAQ Section */
.page-support__faq-list {
    max-width: 900px;
    margin: 40px auto;
}

.page-support__faq-item {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-support__faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text-main);
    background-color: var(--color-deep-green);
    border-bottom: 1px solid var(--color-border);
}

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

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

.page-support__faq-qtext {
    flex-grow: 1;
    color: var(--color-text-main);
}

.page-support__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--color-gold);
}

.page-support__faq-item[open] summary {
    background-color: var(--color-deep-green);
    border-bottom: 1px solid var(--color-border);
}

.page-support__faq-answer {
    padding: 20px 25px;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.page-support__faq-answer p {
    margin-bottom: 15px;
    color: var(--color-text-secondary);
}

.page-support__faq-link {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    display: inline-block;
    margin-right: 15px;
    margin-top: 5px;
}

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

.page-support__faq-links-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

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

.page-support__cta-text {
    font-size: 1.2rem;
    color: var(--color-text-main);
    margin-bottom: 20px;
}

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

.page-support__guide-card.page-support__card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-support__guide-card.page-support__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-support__guide-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
}

.page-support__guide-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

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

.page-support__guide-title a:hover {
    color: var(--color-glow);
    text-decoration: underline;
}

.page-support__guide-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

/* Safety Section */
.page-support__safety-link {
    color: var(--color-gold);
    text-decoration: none;
    margin-right: 20px;
    font-weight: 500;
    transition: color 0.3s ease;
    display: inline-block;
    margin-top: 10px;
}

.page-support__safety-link:hover {
    color: var(--color-glow);
    text-decoration: underline;
}

.page-support__safety-links {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

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

.page-support__channel-card.page-support__card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-support__channel-card.page-support__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

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

.page-support__channel-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.page-support__cta-final {
    text-align: center;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--color-divider);
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-support__content-wrapper {
        flex-direction: column;
        text-align: center;
    }

    .page-support__content-wrapper--reverse {
        flex-direction: column;
    }

    .page-support__image-block {
        margin-top: 30px;
    }

    .page-support__safety-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .page-support__section {
        padding: 40px 0;
    }

    .page-support__container {
        padding: 0 15px;
    }

    .page-support__hero-content {
        padding: 20px;
    }

    .page-support__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .page-support__description {
        font-size: 1rem;
    }

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

    .page-support__btn-primary,
    .page-support__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 0.95rem;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
        margin: 0 auto;
    }

    .page-support__section-title {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
    }

    .page-support__section-intro {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .page-support__text-block p,
    .page-support__faq-answer p,
    .page-support__guide-text,
    .page-support__channel-description {
        font-size: 0.9rem;
    }

    .page-support__faq-item summary {
        padding: 15px 20px;
        font-size: 1rem;
    }

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

    .page-support__image,
    .page-support__guide-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        box-sizing: border-box !important;
    }
    
    .page-support__image-block,
    .page-support__guide-card,
    .page-support__channel-card,
    .page-support__container,
    .page-support__hero-section,
    .page-support__section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important; /* Ensure no overflow */
    }

    .page-support__hero-section {
        padding-top: 10px !important;
    }

    .page-support__guide-card.page-support__card,
    .page-support__channel-card.page-support__card {
        padding: 20px;
    }

    .page-support__cta-final,
    .page-support__cta-contact {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 480px) {
    .page-support__section-title {
        font-size: clamp(1.3rem, 7vw, 1.8rem);
    }

    .page-support__main-title {
        font-size: clamp(1.5rem, 8vw, 2.2rem);
    }

    .page-support__cta-buttons {
        gap: 10px;
    }

    .page-support__safety-links {
        flex-direction: column;
        align-items: center;
        gap: 5px;
    }

    .page-support__safety-link {
        margin-right: 0;
    }
}