/* style/faq.css */

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

/* Base styles for the page content, ensuring contrast with dark body background */
.page-faq {
    background-color: var(--page-faq-bg);
    color: var(--page-faq-text-main); /* Main text color for dark background */
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding-top: 0; /* body handles padding-top: var(--header-offset); */
}

/* Hero Section */
.page-faq__hero-section {
    position: relative;
    display: flex;
    flex-direction: column; /* Image above text */
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px 20px 60px; /* Small top padding, more bottom padding */
    overflow: hidden;
    color: var(--page-faq-text-main);
}

.page-faq__hero-image-wrapper {
    width: 100%;
    max-height: 500px; /* Limit hero image height */
    overflow: hidden;
    margin-bottom: 30px; /* Space between image and text */
}

.page-faq__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.7); /* Slightly darken image for better text readability */
}

.page-faq__hero-content {
    position: relative; /* Ensure content is above any other potential layers */
    max-width: 900px;
    padding: 0 20px;
    z-index: 2;
}

.page-faq__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive H1 font size */
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--page-faq-text-main);
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.page-faq__hero-description {
    font-size: clamp(1rem, 1.5vw, 1.25rem); /* Responsive description font size */
    margin-bottom: 30px;
    color: var(--page-faq-text-secondary);
}

/* CTA Buttons in Hero */
.page-faq__cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    width: 100%; /* Ensure container takes full width */
    max-width: 500px; /* Limit width for aesthetics */
    margin: 0 auto;
    box-sizing: border-box;
}

.page-faq__btn-primary,
.page-faq__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-align: center;
    box-sizing: border-box;
    max-width: 100%; /* Ensure buttons adapt to width */
    white-space: normal;
    word-wrap: break-word;
}

.page-faq__btn-primary {
    background: var(--page-faq-button-gradient);
    color: var(--page-faq-text-main); /* White text on green gradient */
    border: 2px solid var(--page-faq-deep-green);
}

.page-faq__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

.page-faq__btn-secondary {
    background: transparent;
    color: var(--page-faq-text-main); /* White text on transparent background */
    border: 2px solid var(--page-faq-border);
}

.page-faq__btn-secondary:hover {
    background: rgba(46, 122, 78, 0.2); /* Using a direct rgba value for hover */
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(46, 122, 78, 0.3);
}

/* Content Area */
.page-faq__content-area {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    color: var(--page-faq-text-main);
    background-color: var(--page-faq-bg);
}

.page-faq__section-title {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--page-faq-gold); /* Using gold for main titles */
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.page-faq__section-description {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--page-faq-text-secondary);
}

/* FAQ List */
.page-faq__faq-list {
    display: grid;
    gap: 20px;
    margin-bottom: 60px;
}

.page-faq__faq-item {
    background-color: var(--page-faq-card-bg); /* Dark card background */
    border-radius: 10px;
    border: 1px solid var(--page-faq-border);
    overflow: hidden;
    color: var(--page-faq-text-main);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.page-faq__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    background-color: var(--page-faq-deep-green); /* Slightly darker for question header */
    color: var(--page-faq-text-main);
    border-bottom: 1px solid var(--page-faq-divider);
    list-style: none; /* For <summary> tag */
}

.page-faq__faq-question::-webkit-details-marker {
    display: none; /* Hide default marker for <summary> */
}

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

.page-faq__faq-toggle {
    font-size: 1.8rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--page-faq-glow);
}

.page-faq__faq-answer {
    padding: 20px 25px;
    font-size: 1rem;
    color: var(--page-faq-text-secondary);
    max-height: 0; /* For JS based accordion, though details handles natively */
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-faq__faq-item[open] .page-faq__faq-answer {
    max-height: 2000px; /* Large enough for content */
    padding-top: 20px;
    padding-bottom: 20px;
}

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

.page-faq__faq-answer p:last-child {
    margin-bottom: 0;
}

/* Inline images within FAQ answers */
.page-faq__image-inline {
    width: 100%;
    height: auto;
    display: block;
    margin: 20px 0;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* Small buttons within FAQ answers */
.page-faq__btn-small {
    padding: 10px 20px;
    font-size: 0.9rem;
    margin-top: 15px;
}

/* Additional Info Section */
.page-faq__additional-info {
    background-color: var(--page-faq-card-bg);
    border-radius: 10px;
    border: 1px solid var(--page-faq-border);
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    color: var(--page-faq-text-main);
}

.page-faq__sub-title {
    font-size: clamp(1.5rem, 2.5vw, 2.2rem);
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--page-faq-gold);
    text-align: center;
}

.page-faq__additional-info p {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--page-faq-text-secondary);
}

.page-faq__list {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.page-faq__list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    font-size: 1rem;
    color: var(--page-faq-text-main);
}

.page-faq__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--page-faq-glow);
    font-weight: bold;
}

.page-faq__list strong {
    color: var(--page-faq-text-main);
}

/* CTA Section at bottom */
.page-faq__cta-section {
    text-align: center;
    padding: 40px;
    background-color: var(--page-faq-deep-green); /* Use a slightly different background for contrast */
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    color: var(--page-faq-text-main);
}

.page-faq__cta-section p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--page-faq-text-secondary);
}

.page-faq__cta-buttons--bottom {
    margin-top: 30px;
}

/* General Link Styling */
.page-faq a {
    color: var(--page-faq-glow);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-faq a:hover {
    color: var(--page-faq-gold);
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-faq__hero-content {
        max-width: 768px;
    }
    .page-faq__main-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }
    .page-faq__section-title {
        font-size: clamp(1.6rem, 3.5vw, 2.5rem);
    }
    .page-faq__faq-question {
        font-size: 1.15rem;
    }
    .page-faq__additional-info,
    .page-faq__cta-section {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .page-faq__hero-section {
        padding: 10px 15px 40px;
    }
    .page-faq__hero-image-wrapper {
        max-height: 300px;
        margin-bottom: 20px;
    }
    .page-faq__hero-content {
        padding: 0 15px;
    }
    .page-faq__main-title {
        font-size: clamp(1.8rem, 5.5vw, 2.5rem);
        margin-bottom: 15px;
    }
    .page-faq__hero-description {
        font-size: clamp(0.95rem, 2vw, 1.1rem);
        margin-bottom: 25px;
    }
    .page-faq__cta-buttons {
        flex-direction: column;
        gap: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-faq__btn-primary,
    .page-faq__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;
    }

    .page-faq__content-area {
        padding: 40px 15px;
    }
    .page-faq__section-title {
        font-size: clamp(1.5rem, 4.5vw, 2.2rem);
        margin-bottom: 15px;
    }
    .page-faq__section-description {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    .page-faq__faq-list {
        gap: 15px;
        margin-bottom: 40px;
    }
    .page-faq__faq-question {
        padding: 15px 20px;
        font-size: 1.05rem;
    }
    .page-faq__faq-toggle {
        font-size: 1.5rem;
    }
    .page-faq__faq-answer {
        padding: 15px 20px;
        font-size: 0.95rem;
    }
    .page-faq__image-inline {
        margin: 15px 0;
    }
    .page-faq__additional-info,
    .page-faq__cta-section {
        padding: 25px 20px;
    }
    .page-faq__sub-title {
        font-size: clamp(1.3rem, 4vw, 1.8rem);
        margin-bottom: 15px;
    }
    .page-faq__additional-info p,
    .page-faq__list li {
        font-size: 0.95rem;
    }

    /* Mobile image responsiveness */
    .page-faq img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-faq__section,
    .page-faq__card,
    .page-faq__container,
    .page-faq__hero-section,
    .page-faq__hero-content,
    .page-faq__hero-image-wrapper,
    .page-faq__additional-info,
    .page-faq__cta-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-faq__video-section {
        padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
    }
    /* Ensure no horizontal scroll */
    .page-faq {
        overflow-x: hidden;
    }
}