/* style/index.css */

/* Custom properties for colors */
:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient-start: #2AD16F;
    --button-gradient-end: #13994A;
    --card-bg: #11271B;
    --background-color-page: #08160F; /* Specific background for the page content, contrasting with body */
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;
}

.page-index {
    /* Assuming body has a background color from shared.css, this will be the text color for the page */
    color: var(--text-main); /* Default text color for the page content */
    background-color: var(--background-color-page); /* Specific background for main content area */
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

/* Base styles for content areas to ensure proper spacing and centering */
.page-index__content-area {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    box-sizing: border-box;
}

/* --- Video Section --- */
.page-index__video-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    /* \uD83D\uDEA8 页头整段高度由 shared 的 body { padding-top: var(--header-offset); } 承担；此处仅用小额顶距，禁止再写 var(--header-offset) 以免双倍空白 */
    padding-top: 10px; /* Specific small top padding */
    background-color: var(--background-color-page);
}

.page-index__video-container {
    position: relative;
    width: 100%; /* \uD83D\uDEA8 Desktop: Must have width: 100% */
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

/* \uD83D\uDEA8 视频点击链接样式（必须严格遵守） */
.page-index__video-link {
    display: block;
    text-decoration: none;
    position: relative;
    width: 100%;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 8px;
    overflow: hidden;
}

.page-index__video-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.page-index__video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 宽高比 - \uD83D\uDEA8 PageSpeed优化：固定宽高比避免布局偏移（CLS） */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.page-index__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
    object-fit: cover;
    pointer-events: none; /* 防止视频控件阻止点击事件 */
}

/* \uD83D\uDEA8 视频点击提示遮罩层样式（可选，增强用户体验） */
.page-index__video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.page-index__video-link:hover .page-index__video-overlay {
    opacity: 1;
}

.page-index__video-click-hint {
    color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    background: var(--primary-color);
    border-radius: 5px;
    white-space: nowrap;
}

/* \uD83D\uDEA8 Play Now按钮样式（必须严格遵守，位于视频下方中间位置） */
.page-index__video-cta {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
}

.page-index__play-now-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(180deg, var(--button-gradient-start) 0%, var(--button-gradient-end) 100%);
    color: var(--text-main);
    text-decoration: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.page-index__play-now-button:hover {
    background: linear-gradient(180deg, var(--button-gradient-end) 0%, var(--button-gradient-start) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.page-index__play-now-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* --- H1 Title + CTA Section --- */
.page-index__title-section {
    background-color: var(--card-bg); /* Darker background for contrast */
    color: var(--text-main);
    padding: 80px 20px;
    text-align: center;
    border-bottom: 1px solid var(--divider-color);
}

.page-index__title-container {
    max-width: 900px;
    margin: 0 auto;
}

.page-index__main-title {
    /* \uD83D\uDEA8 不要写死 font-size */
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--gold-color); /* Use gold for H1 for prominence */
    letter-spacing: 0.5px;
}

.page-index__title-description {
    font-size: 18px;
    margin-bottom: 40px;
    color: var(--text-secondary);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-index__cta-button {
    display: inline-block;
    padding: 14px 35px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 17px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
    white-space: nowrap; /* Prevent text wrapping for single line */
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.page-index__btn-primary {
    background: linear-gradient(180deg, var(--button-gradient-start) 0%, var(--button-gradient-end) 100%);
    color: var(--text-main);
}

.page-index__btn-primary:hover {
    background: linear-gradient(180deg, var(--button-gradient-end) 0%, var(--button-gradient-start) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.3);
}

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

.page-index__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-main);
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.3);
}

/* --- FAQ Section --- */
.page-index__faq-section {
    background-color: var(--background-color-page); /* Page background color */
    color: var(--text-main);
}

.page-index__faq-main-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--gold-color);
    font-size: 36px;
    font-weight: bold;
}

.page-index__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

details.page-index__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
details.page-index__faq-item summary.page-index__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
    color: var(--text-main);
    font-size: 18px;
    font-weight: 600;
}
details.page-index__faq-item summary.page-index__faq-question::-webkit-details-marker {
    display: none;
}
details.page-index__faq-item summary.page-index__faq-question:hover {
    background: var(--deep-green);
}
.page-index__faq-qtext {
    flex: 1;
    line-height: 1.5;
    text-align: left;
}
.page-index__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    color: var(--gold-color);
    flex-shrink: 0;
    margin-left: 15px;
    width: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}
details.page-index__faq-item[open] .page-index__faq-toggle {
    transform: rotate(45deg); /* Rotate '+' to 'x' or just change to '-' */
}
details.page-index__faq-item .page-index__faq-answer {
    padding: 0 25px 20px;
    background: var(--deep-green);
    border-radius: 0 0 8px 8px;
    color: var(--text-secondary);
}
.page-index__faq-answer p {
    margin: 0;
    font-size: 16px;
}

/* --- Brand Section --- */
.page-index__brand-section {
    background-color: var(--card-bg);
    color: var(--text-main);
    border-top: 1px solid var(--divider-color);
}

.page-index__brand-title {
    text-align: center;
    margin-bottom: 50px;
    color: var(--gold-color);
    font-size: 36px;
    font-weight: bold;
}

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

.page-index__brand-item {
    background: var(--deep-green);
    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;
    border: 1px solid var(--border-color);
}

.page-index__brand-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-index__brand-item-title {
    color: var(--gold-color);
    font-size: 24px;
    margin-top: 20px;
    margin-bottom: 15px;
}

.page-index__brand-item p {
    color: var(--text-secondary);
    font-size: 16px;
}

.page-index__brand-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    margin: 0 auto 15px auto;
    display: block;
    min-width: 200px; /* Min size requirement */
    min-height: 200px; /* Min size requirement */
}

/* --- Blog Section --- */
.page-index__blog-section {
    background-color: var(--background-color-page);
    color: var(--text-main);
    border-top: 1px solid var(--divider-color);
}

.page-index__blog-title {
    text-align: center;
    margin-bottom: 50px;
    color: var(--gold-color);
    font-size: 36px;
    font-weight: bold;
}

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

.page-index__blog-item {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.page-index__blog-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-index__blog-item-image {
    width: 100%;
    height: 220px; /* Fixed height for consistent card appearance */
    object-fit: cover;
    display: block;
    min-width: 200px; /* Min size requirement */
    min-height: 200px; /* Min size requirement */
}

.page-index__blog-item-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.page-index__blog-link {
    text-decoration: none;
    color: var(--text-main);
}

.page-index__blog-link:hover .page-index__blog-item-title {
    color: var(--gold-color);
}

.page-index__blog-item-title {
    font-size: 20px;
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 10px;
    line-height: 1.4;
    color: var(--text-main);
    transition: color 0.3s ease;
}

.page-index__blog-item-excerpt {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    flex-grow: 1;
}

.page-index__blog-item-date {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: right;
    display: block;
    margin-top: auto; /* Push date to bottom */
}

.page-index__blog-view-all {
    text-align: center;
    margin-top: 50px;
}

.page-index__view-all-button {
    display: inline-block;
    padding: 14px 35px;
    background: linear-gradient(180deg, var(--button-gradient-start) 0%, var(--button-gradient-end) 100%);
    color: var(--text-main);
    text-decoration: none;
    border-radius: 8px;
    font-size: 17px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.page-index__view-all-button:hover {
    background: linear-gradient(180deg, var(--button-gradient-end) 0%, var(--button-gradient-start) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.3);
}

/* --- Global Responsive Image/Video/Button Styles (Must be present for mobile) --- */
.page-index img {
    max-width: 100%;
    height: auto;
    display: block;
    box-sizing: border-box;
}

.page-index video,
.page-index__video {
    max-width: 100%;
    width: 100%;
    height: auto;
    display: block;
    box-sizing: border-box;
}

.page-index__cta-button,
.page-index__play-now-button,
.page-index__view-all-button,
.page-index a[class*="button"],
.page-index a[class*="btn"] {
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

/* \uD83D\uDEA8 移动端响应式设计（必须严格遵守） */
@media (max-width: 768px) {
    .page-index {
        font-size: 15px;
        line-height: 1.5;
    }

    .page-index__content-area {
        padding: 40px 15px;
    }

    /* Video Section Mobile */
    .page-index__video-section {
        padding-top: 10px !important; /* body已承担 --header-offset，此处禁止 var(--header-offset) */
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-index__video-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0;
        padding-right: 0;
        overflow: hidden !important;
    }

    .page-index__video-link {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-index__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        border-radius: 4px;
        overflow: hidden !important;
    }

    .page-index__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        border-radius: 4px;
        object-fit: contain; /* 移动端使用contain确保视频完整显示且不超出 */
    }

    .page-index__video-click-hint {
        font-size: 14px !important;
        padding: 8px 16px !important;
    }

    .page-index__video-cta {
        margin-top: 20px;
        padding-left: 15px;
        padding-right: 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-index__play-now-button {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding: 12px 30px !important;
        font-size: 16px !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* Title Section Mobile */
    .page-index__title-section {
        padding: 60px 15px;
    }

    .page-index__main-title {
        font-size: 28px; /* Adjusted for mobile */
    }

    .page-index__title-description {
        font-size: 16px;
    }

    .page-index__cta-buttons {
        flex-direction: column; /* Stack buttons vertically on mobile */
        gap: 15px;
        padding-left: 15px;
        padding-right: 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .page-index__cta-button {
        width: 100% !important;
        padding: 12px 25px;
        font-size: 16px;
    }

    /* FAQ Section Mobile */
    .page-index__faq-main-title {
        font-size: 30px;
    }
    details.page-index__faq-item summary.page-index__faq-question {
        padding: 15px;
        font-size: 16px;
    }
    .page-index__faq-qtext { font-size: 15px; }
    .page-index__faq-toggle {
        font-size: 24px;
        width: 24px;
        height: 24px;
    }
    details.page-index__faq-item .page-index__faq-answer {
        padding: 0 15px 15px;
    }
    .page-index__faq-answer p {
        font-size: 15px;
    }

    /* Brand Section Mobile */
    .page-index__brand-title {
        font-size: 30px;
    }
    .page-index__brand-content {
        grid-template-columns: 1fr; /* Single column on mobile */
    }
    .page-index__brand-item-title {
        font-size: 20px;
    }
    .page-index__brand-item p {
        font-size: 15px;
    }

    /* Blog Section Mobile */
    .page-index__blog-title {
        font-size: 30px;
    }
    .page-index__blog-list {
        grid-template-columns: 1fr; /* Single column on mobile */
    }
    .page-index__blog-item-image {
        height: 180px; /* Adjust height for mobile card images */
    }
    .page-index__blog-item-title {
        font-size: 18px;
    }
    .page-index__blog-item-excerpt {
        font-size: 14px;
    }
    .page-index__blog-item-date {
        font-size: 13px;
    }
    .page-index__blog-view-all {
        padding-left: 15px;
        padding-right: 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    .page-index__view-all-button {
        width: 100% !important;
        padding: 12px 25px;
        font-size: 16px;
    }

    /* Ensure all images and videos are responsive on mobile */
    .page-index img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-index video,
    .page-index__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-index__section,
    .page-index__card,
    .page-index__container,
    .page-index__video-section,
    .page-index__video-container,
    .page-index__video-wrapper,
    .page-index__title-section,
    .page-index__faq-section,
    .page-index__brand-section,
    .page-index__blog-section,
    .page-index__blog-list,
    .page-index__blog-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    .page-index__video-section,
    .page-index__title-section,
    .page-index__faq-section,
    .page-index__brand-section,
    .page-index__blog-section {
        padding-left: 0;
        padding-right: 0;
    }
}