/* style/nh.css */

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

/* Base styles for the page-nh scope */
.page-nh {
    background-color: var(--nh-background-color); /* Dark background */
    color: var(--nh-text-main); /* Light text for overall page */
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

.page-nh h1,
.page-nh h2,
.page-nh h3 {
    color: var(--nh-text-main);
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

.page-nh h1 {
    /* No fixed font-size for H1, relying on responsive scaling and line-height */
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-nh__section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.page-nh__section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--nh-gold-color);
    border-radius: 2px;
}

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

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

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

.page-nh__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end; /* Align content to bottom */
    min-height: 600px;
    padding-bottom: 80px; /* Space for content below image */
    text-align: center;
    overflow: hidden;
    padding-top: 10px; /* Small top padding, body handles header offset */
}

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

.page-nh__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    /* No CSS filters allowed */
}

.page-nh__hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent overlay for text readability */
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    margin-top: 300px; /* Push content below image, ensuring no overlap */
}

.page-nh__main-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--nh-gold-color);
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.8);
    margin-bottom: 20px;
}

.page-nh__description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--nh-text-main);
    margin-bottom: 30px;
}

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

.page-nh__cta-buttons--center {
    margin-top: 40px;
}

.page-nh__btn-primary,
.page-nh__btn-secondary,
.page-nh__btn-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    min-width: 180px;
    box-sizing: border-box;
}

.page-nh__btn-primary {
    background: var(--nh-button-gradient);
    color: #ffffff; /* White text for contrast on gradient button */
    box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

.page-nh__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(42, 209, 111, 0.6);
}

.page-nh__btn-secondary {
    background-color: transparent;
    color: var(--nh-primary-color);
    border: 2px solid var(--nh-primary-color);
    box-shadow: 0 5px 15px rgba(17, 168, 78, 0.2);
}

.page-nh__btn-secondary:hover {
    background-color: var(--nh-primary-color);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(17, 168, 78, 0.4);
}

.page-nh__btn-inline {
    background: var(--nh-button-gradient);
    color: #ffffff;
    padding: 10px 20px;
    font-size: 0.95rem;
    min-width: unset;
    margin-top: 15px;
}

.page-nh__btn-inline:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(42, 209, 111, 0.4);
}

.page-nh__text-block {
    color: var(--nh-text-secondary);
    margin-bottom: 20px;
    text-align: justify;
}

.page-nh__text-block--white {
    color: #ffffff;
}

.page-nh__intro-section {
    background-color: var(--nh-card-bg);
    padding: 80px 0;
}

.page-nh__features-section {
    background-color: var(--nh-background-color);
}

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

.page-nh__feature-card {
    background-color: var(--nh-card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--nh-border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-nh__feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-nh__feature-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    object-fit: cover;
    margin-bottom: 20px;
    border-radius: 8px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-nh__card-title {
    font-size: 1.5rem;
    color: var(--nh-text-main);
    margin-bottom: 15px;
}

.page-nh__card-description {
    color: var(--nh-text-secondary);
    font-size: 0.95rem;
}

.page-nh__game-showcase-section {
    background-color: var(--nh-background-color);
}

.page-nh__game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-nh__game-card {
    background-color: var(--nh-card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--nh-border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-nh__game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-nh__game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.page-nh__game-card .page-nh__card-title {
    padding: 15px 20px 5px;
    font-size: 1.3rem;
}

.page-nh__game-card .page-nh__card-description {
    padding: 0 20px 20px;
    font-size: 0.9rem;
}

.page-nh__promotions-section {
    background-color: var(--nh-card-bg);
    padding: 80px 0;
}

.page-nh__promo-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    gap: 25px;
}

.page-nh__promo-item {
    background-color: var(--nh-background-color);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--nh-divider-color);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.15);
}

.page-nh__promo-title {
    font-size: 1.4rem;
    color: var(--nh-gold-color);
    margin-bottom: 10px;
}

.page-nh__promo-description {
    color: var(--nh-text-secondary);
    font-size: 0.95rem;
}

.page-nh__guide-section {
    background-color: var(--nh-background-color);
}

.page-nh__guide-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    gap: 30px;
}

.page-nh__guide-item {
    background-color: var(--nh-card-bg);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--nh-border-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-nh__guide-step-title {
    font-size: 1.5rem;
    color: var(--nh-primary-color);
    margin-bottom: 10px;
}

.page-nh__guide-step-description {
    color: var(--nh-text-secondary);
    font-size: 0.95rem;
}

.page-nh__tips-section {
    background-color: var(--nh-card-bg);
    padding: 80px 0;
}

.page-nh__tips-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    gap: 25px;
}

.page-nh__tips-item {
    background-color: var(--nh-background-color);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--nh-divider-color);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.15);
}

.page-nh__tips-title {
    font-size: 1.4rem;
    color: var(--nh-gold-color);
    margin-bottom: 10px;
}

.page-nh__tips-description {
    color: var(--nh-text-secondary);
    font-size: 0.95rem;
}

.page-nh__faq-section {
    background-color: var(--nh-background-color);
}

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

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

.page-nh__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--nh-text-main);
    cursor: pointer;
    background-color: var(--nh-deep-green);
    transition: background-color 0.3s ease;
    list-style: none; /* For details/summary */
}

.page-nh__faq-question::-webkit-details-marker {
    display: none;
}

.page-nh__faq-question:hover {
    background-color: var(--nh-primary-color);
}

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

.page-nh__faq-answer {
    padding: 20px;
    background-color: var(--nh-card-bg);
    color: var(--nh-text-secondary);
    font-size: 0.95rem;
    border-top: 1px solid var(--nh-divider-color);
}

.page-nh__faq-item[open] .page-nh__faq-question {
    background-color: var(--nh-primary-color);
}

.page-nh__faq-item[open] .page-nh__faq-toggle {
    content: '−';
}

.page-nh__cta-buttons--faq {
    margin-top: 15px;
    justify-content: flex-start;
}

.page-nh__call-to-action-section {
    background-color: var(--nh-primary-color);
    padding: 80px 0;
    text-align: center;
}

.page-nh__dark-bg {
    background-color: var(--nh-deep-green);
    color: var(--nh-text-main);
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-nh__hero-content {
        margin-top: 200px;
    }
}

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

    .page-nh__section-title {
        font-size: clamp(1.5rem, 6vw, 2.2rem);
        margin-bottom: 30px;
    }

    .page-nh__main-title {
        font-size: clamp(2rem, 7vw, 3.5rem);
    }

    .page-nh__description {
        font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    }

    .page-nh__hero-content {
        margin-top: 100px; /* Adjust for smaller screens */
        padding: 15px;
    }

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

    .page-nh__btn-primary,
    .page-nh__btn-secondary,
    .page-nh__btn-inline,
    .page-nh a[class*="button"],
    .page-nh 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;
        min-width: unset;
    }

    .page-nh__cta-buttons,
    .page-nh__button-group,
    .page-nh__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
        flex-wrap: wrap !important;
        gap: 10px;
    }

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

    .page-nh img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-nh__section,
    .page-nh__card,
    .page-nh__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .page-nh__hero-section {
        padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
    }

    .page-nh__feature-grid, .page-nh__game-grid {
        grid-template-columns: 1fr;
    }

    .page-nh__feature-card,
    .page-nh__game-card,
    .page-nh__promo-item,
    .page-nh__guide-item,
    .page-nh__tips-item,
    .page-nh__faq-item {
        padding: 20px;
    }

    .page-nh__card-title,
    .page-nh__promo-title,
    .page-nh__guide-step-title,
    .page-nh__tips-title {
        font-size: 1.2rem;
    }

    .page-nh__faq-question {
        font-size: 1rem;
        padding: 15px;
    }

    .page-nh__faq-answer {
        padding: 15px;
    }
}