/* style/support.css */

/* Custom Colors */
:root {
    --color-primary: #11A84E; /* 主色调 */
    --color-secondary: #22C768; /* 辅助色 */
    --color-button-gradient-start: #2AD16F;
    --color-button-gradient-end: #13994A;
    --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;
}

/* Base styles for the page content */
.page-support {
    font-family: 'Arial', sans-serif;
    color: var(--color-text-main); /* Default text color for the page, assuming dark body background */
    background-color: var(--color-background); /* This should be handled by shared.css body, but fallback/section bg */
    line-height: 1.6;
}

/* Hero Section */
.page-support__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column; /* Image above content */
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    background: linear-gradient(180deg, var(--color-deep-green) 0%, var(--color-background) 100%);
    overflow: hidden; /* Ensure content doesn't bleed */
}

.page-support__hero-image {
    width: 100%;
    max-width: 1200px; /* Constrain image width */
    height: auto;
    object-fit: cover;
    margin-bottom: 30px; /* Space between image and content */
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-support__hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    z-index: 1; /* Ensure text is above any potential background elements */
}

.page-support__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive H1 font size */
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.page-support__lead-paragraph {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    max-width: 100%; /* Ensure buttons don't overflow */
    box-sizing: border-box; /* Include padding in width */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word;
}

.page-support__btn-primary {
    background: var(--color-button-gradient-start); /* fallback */
    background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
    color: var(--color-text-main);
    border: none;
}

.page-support__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    opacity: 0.9;
}

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

.page-support__btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    background: var(--color-gold);
    color: var(--color-background);
}

/* General Section Styles */
.page-support__section {
    padding: 80px 20px;
    text-align: center;
}

.page-support__dark-bg {
    background-color: var(--color-background);
    color: var(--color-text-main);
}

.page-support__light-bg {
    background-color: var(--color-card-bg); /* Use card background for light sections */
    color: var(--color-text-main); /* Ensure contrast */
}

.page-support__container {
    width: 100%; /* Ensure container takes full width on desktop */
    max-width: 1200px;
    margin: 0 auto;
}

.page-support__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 40px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.page-support__text-block {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto 50px auto;
}

/* Feature Grid */
.page-support__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-support__feature-item {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: left;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden; /* Ensure content doesn't overflow */
    box-sizing: border-box;
}

.page-support__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-support__feature-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

/* FAQ Section */
.page-support__faq-list {
    margin-top: 50px;
    text-align: left;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__faq-item {
    background-color: var(--color-background); /* Darker background for FAQ items */
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-main);
    cursor: pointer;
    background-color: var(--color-card-bg); /* Slightly lighter background for question */
    border-bottom: 1px solid var(--color-divider);
    transition: background-color 0.3s ease;
    list-style: none; /* For <summary> tag */
}

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

.page-support__faq-question:hover {
    background-color: var(--color-deep-green);
}

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

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

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

.page-support__faq-item[open] .page-support__faq-toggle {
    content: '−'; /* Changed by JS */
}

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

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

.page-support__faq-link {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.page-support__image-full {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 12px;
    margin-top: 50px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}

.page-support__image-center {
    width: 100%;
    max-width: 800px;
    height: auto;
    object-fit: cover;
    border-radius: 12px;
    margin: 50px auto 0 auto;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}

/* Contact Grid */
.page-support__contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-support__contact-item {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    box-sizing: border-box;
}

.page-support__contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-support__contact-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 25px;
}

/* Info Grid */
.page-support__info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-support__info-item {
    background-color: var(--color-background);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: left;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    box-sizing: border-box;
}

.page-support__info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-support__info-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

/* Guide Grid (Card-like layout) */
.page-support__guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-support__guide-card {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: left;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    box-sizing: border-box;
}

.page-support__guide-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-support__guide-title {
    font-size: 1.4rem;
    color: var(--color-gold);
    margin-bottom: 10px;
    font-weight: 600;
}

.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-secondary);
    text-decoration: underline;
}

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


/* Responsive Design */
@media (max-width: 1024px) {
    .page-support__hero-section {
        padding: 40px 15px;
        padding-top: 10px;
    }

    .page-support__section {
        padding: 60px 15px;
    }

    .page-support__hero-image {
        margin-bottom: 20px;
    }

    .page-support__main-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }

    .page-support__lead-paragraph {
        font-size: 1.1rem;
    }

    .page-support__section-title {
        font-size: clamp(1.6rem, 4vw, 2.5rem);
    }

    .page-support__text-block {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .page-support__hero-section {
        padding: 30px 15px;
        padding-top: 10px !important; /* body already handles --header-offset */
    }

    .page-support__section {
        padding: 40px 15px;
    }

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

    .page-support__lead-paragraph {
        font-size: 1rem;
    }

    .page-support__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding-left: 15px !important; /* Apply padding to button container */
        padding-right: 15px !important;
    }

    .page-support__btn-primary,
    .page-support__btn-secondary {
        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__feature-grid,
    .page-support__contact-grid,
    .page-support__info-grid,
    .page-support__guide-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-support__feature-item,
    .page-support__contact-item,
    .page-support__info-item,
    .page-support__guide-card {
        padding-left: 15px !important; /* Apply padding to individual items */
        padding-right: 15px !important;
    }

    .page-support__faq-list {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    .page-support__faq-question {
        font-size: 1.1rem;
        padding: 15px 20px;
    }

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

    /* Mobile image responsive adaptation */
    .page-support img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-support__section,
    .page-support__card,
    .page-support__container,
    .page-support__hero-image,
    .page-support__image-full,
    .page-support__image-center {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Ensure video elements are also responsive */
    .page-support video,
    .page-support__video {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
      display: block !important;
    }
    
    /* Video containers mobile adaptation */
    .page-support__video-section,
    .page-support__video-container,
    .page-support__video-wrapper {
      max-width: 100% !important;
      width: 100% !important;
      box-sizing: border-box !important;
      padding-left: 15px;
      padding-right: 15px;
      overflow: hidden !important;
    }
}

/* Ensure images and videos are responsive by default, overriding any potential fixed sizes */
.page-support img,
.page-support video {
    max-width: 100%;
    height: auto;
    display: block; /* Prevents extra space below images */
}

/* Ensure image and video containers handle overflow */
.page-support__hero-section,
.page-support__section,
.page-support__container,
.page-support__feature-item,
.page-support__contact-item,
.page-support__info-item,
.page-support__guide-card,
.page-support__faq-item {
    overflow: hidden;
    box-sizing: border-box;
}