/* style/support.css */

:root {
    --primary-color: #2F6BFF;
    --secondary-color: #6FA3FF;
    --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    --card-bg: #FFFFFF;
    --background-light: #F4F7FB;
    --text-main: #1F2D3D;
    --text-dark: #000000;
    --border-color: #D6E2FF;
    --glow-color: #A5C4FF;
    --white-color: #FFFFFF;
    --dark-section-bg: #2F6BFF;
    --header-offset: 122px; /* Fallback, should be defined in shared.css */
}

.page-support {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-main); /* Default text color for light backgrounds */
    background-color: var(--background-light);
}

.page-support__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px 0 60px 0; /* Small top padding, larger bottom for content separation */
    color: var(--white-color);
    background: var(--dark-section-bg);
    overflow: hidden;
}

.page-support__hero-image-wrap {
    width: 100%;
    max-height: 500px; /* Limit height for hero image */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.page-support__hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    padding: 20px;
    margin-top: -100px; /* Overlap with image slightly for visual flow */
    background: rgba(0, 0, 0, 0.4); /* Semi-transparent background for text */
    border-radius: 10px;
}

.page-support__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--white-color);
}

.page-support__hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
}

.page-support__hero-cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    box-sizing: border-box; /* Include padding in width */
    max-width: 100%; /* Ensure button doesn't overflow */
}

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

.page-support__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

.page-support__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

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

.page-support__section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-dark);
}

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

.page-support__dark-section .page-support__section-title,
.page-support__dark-section .page-support__section-description {
    color: var(--white-color);
}

.page-support__dark-section {
    background-color: var(--dark-section-bg);
}

.page-support__light-bg {
    background-color: var(--background-light);
}

.page-support__channel-grid,
.page-support__issue-grid,
.page-support__tips-grid,
.page-support__commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-support__card {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-main);
}

.page-support__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.page-support__channel-image,
.page-support__tip-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
}

.page-support__card-title {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.page-support__card-text {
    font-size: 1rem;
    margin-bottom: 20px;
}

.page-support__card-button {
    margin-top: auto;
}

.page-support__info-box {
    margin-top: 50px;
    padding: 30px;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.9);
    text-align: left;
}

.page-support__box-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.page-support__box-text {
    font-size: 1rem;
    color: var(--text-main);
}

.page-support__issue-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    text-align: left;
}

.page-support__issue-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: var(--text-main);
}

.page-support__issue-list li::before {
    content: '✓';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.page-support__commitment-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    color: var(--white-color);
}

.page-support__commitment-title {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--white-color);
}

.page-support__commitment-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.page-support__security-button {
    margin-top: 40px;
}

.page-support__contact-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

/* FAQ Section Styling */
.page-support__faq-section {
    background-color: var(--background-light);
    padding: 60px 0;
}

.page-support__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--text-main);
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-dark);
    list-style: none;
}

.page-support__faq-question::-webkit-details-marker, /* Hide default marker */
.page-support__faq-question::marker {
    display: none;
}

.page-support__faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.page-support__faq-item[open] .page-support__faq-toggle {
    transform: rotate(45deg);
}

.page-support__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-main);
}

.page-support__faq-answer p {
    margin-bottom: 10px;
}

/* --- Responsive Styles --- */

/* Desktop/Tablet (max-width: 1024px) - General adjustments */
@media (max-width: 1024px) {
    .page-support__hero-section {
        padding-bottom: 40px;
    }

    .page-support__hero-content {
        margin-top: -80px;
    }

    .page-support__main-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }

    .page-support__section-title {
        font-size: 2rem;
    }

    .page-support__card-title {
        font-size: 1.4rem;
    }

    .page-support__channel-image,
    .page-support__tip-image {
        height: 180px;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .page-support {
        font-size: 16px;
        line-height: 1.6;
    }

    /* 1. 顶区标题 + 双 CTA */
    .page-support__hero-section {
        padding-top: 10px !important; /* Small top padding */
        padding-bottom: 30px;
    }

    .page-support__hero-image-wrap {
        max-height: 300px;
    }

    .page-support__hero-content {
        margin-top: -50px;
        padding: 15px;
    }

    .page-support__main-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
        margin-bottom: 15px;
    }

    .page-support__hero-description {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .page-support__hero-cta-buttons,
    .page-support__contact-cta-buttons {
        flex-direction: column;
        gap: 10px;
        padding: 0 15px; /* Add padding to container */
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }

    .page-support__btn-primary,
    .page-support__btn-secondary,
    .page-support a[class*="button"],
    .page-support a[class*="btn"] {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1rem;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }

    /* 2. 单栏长文容器 */
    .page-support__container {
        padding: 0 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-support__section {
        padding: 40px 0;
    }

    .page-support__section-title {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }

    .page-support__section-description {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .page-support__channel-grid,
    .page-support__issue-grid,
    .page-support__tips-grid,
    .page-support__commitment-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-support__card {
        padding: 20px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    .page-support__channel-image,
    .page-support__tip-image {
        height: 150px;
        width: 100%;
        max-width: 100% !important;
        height: auto !important;
        display: block;
    }

    .page-support__card-title {
        font-size: 1.3rem;
    }

    .page-support__info-box {
        margin-top: 30px;
        padding: 20px;
    }

    .page-support__box-title {
        font-size: 1.5rem;
    }

    .page-support__issue-list li {
        font-size: 0.95rem;
    }

    .page-support__commitment-item {
        padding: 20px;
    }

    .page-support__commitment-title {
        font-size: 1.4rem;
    }

    /* 3. 通用图片与 figure */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }

    /* 4. 按钮与按钮容器 - Already handled in hero-cta-buttons and contact-cta-buttons */

    /* 5. FAQ 区块 */
    .page-support__faq-question {
        padding: 15px 20px;
        font-size: 1rem;
    }

    .page-support__faq-answer {
        padding: 0 20px 15px 20px;
        font-size: 0.95rem;
    }
}