/* CSS变量定义 */
:root {
    --primary-color: #0d6efd;
    --primary-hover: #0a58ca;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-bg: #f8f9fa;
    --border-color: #e9ecef;
    --text-muted: #6c757d;
    --border-radius: 8px;
    --transition: all 0.2s ease;
    --box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 调整首页容器内边距 */
.container {
    padding-left: calc(var(--bs-gutter-x, 0.75rem) - 2px);
    padding-right: calc(var(--bs-gutter-x, 0.75rem) - 2px);
    max-width: 100%;
}

/* 统一加载动画 */
.spinner,
.video-loading::after {
    width: 30px;
    height: 30px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.video-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -15px;
    margin-left: -15px;
}

.spinner {
    width: 40px;
    height: 40px;
    border-color: #f3f3f3;
    border-top-color: var(--primary-color);
}

/* 统一动画关键帧 */
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 轮播图样式 */
#homeCarousel {
    margin: -1.6rem calc(-1 * (var(--bs-gutter-x, 0.75rem) - 2px)) 1.5rem;
    width: 100vw;
}

.carousel-item img {
    height: 480px;
    object-fit: cover;
    width: 100%;
}

.carousel-inner {
    border-radius: 0 !important;
    box-shadow: none !important;
}

/* 通用样式类 */
.section-title {
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-weight: 600;
    color: #333;
}

.section-title::after {
    content: "";
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
}

/* 卡片通用样式 */
.home-card,
.card {
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.home-card {
    height: 100%;
}

.home-card:hover,
.article-card:hover {
    transform: translateY(-5px);
}

.home-card .card-img-top,
.article-img {
    object-fit: cover;
}

.home-card .card-img-top {
    height: 180px;
}

.article-img {
    height: 120px;
    width: 100%;
    border-radius: 4px;
}

/* 列表通用样式 */
.honor-list,
.contact-list {
    list-style-type: none;
    padding-left: 0;
    margin-top: 0;
}

.honor-item,
.activity-item {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.honor-item:last-child,
.activity-item:last-child {
    border-bottom: none;
}

/* 荣耀榜样式 */
.honor-card {
    background-color: var(--light-bg);
    margin-top: 0;
    position: relative;
}

.honor-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
    border-radius: 4px;
}

.honor-link:hover {
    background-color: var(--light-bg);
    color: inherit;
    text-decoration: none;
    padding: 12px 8px;
}

.honor-link:hover .btn {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.honor-year {
    display: inline-block;
    background-color: #c5cbcf;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.85rem;
    margin-left: 8px;
}

/* 名人榜样式 */
.famous-person {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.famous-person-img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    margin-right: 15px;
}

.famous-person-info {
    flex: 1;
}

.famous-person-name {
    font-weight: 600;
    margin-bottom: 0;
}

.famous-person-title,
.notice-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.famous-person-title {
    font-size: 0.9rem;
}

/* 公告栏样式 */
.notice-item {
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 5px;
    background-color: var(--light-bg);
    transition: var(--transition);
}

.notice-item:hover,
.activity-item:hover {
    background-color: #e9ecef;
}

.activity-item:hover {
    border-radius: 0.25rem;
    padding: 0.5rem;
    margin: 0 -0.5rem;
}

.important-notice {
    border-left: 3px solid var(--danger-color);
}

.notice-item .notice-title {
    color: #a52834;
    text-decoration: none;
    transition: var(--transition);
}

.notice-item .notice-title:hover {
    color: #a52834;
}

/* 徽章样式 */
.badge,
.notice-item .badge {
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 700;
    border-radius: 0.25rem;
    display: inline-block;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    transition: var(--transition);
}

.notice-item .badge {
    box-shadow: var(--box-shadow);
}

.notice-item .badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

/* 文本截断通用类 */
.text-truncate-2,
.article-content,
.video-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 文章样式 */
.article-container {
    display: flex;
    flex-direction: column;
    padding: 15px;
}

.article-card {
    margin-bottom: 20px;
    transition: transform 0.2s ease;
}

.article-row {
    display: flex;
    flex-wrap: nowrap;
}

.article-img-container {
    display: flex;
    align-items: center;
}

.article-content-container .card-body {
    padding: 0 0 0 15px;
}

.article-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
    text-decoration: none;
}

.article-title:hover,
.more-link:hover {
    color: #6c6969;
}

.article-content {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
    margin-bottom: 8px;
    white-space: normal;
    word-break: break-word;
}

.article-more,
.more-link {
    color: #464647;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
}

.article-more:hover {
    color: var(--primary-hover);
}

.article-more i {
    margin-left: 4px;
    font-size: 0.8rem;
}

.more-link:hover {
    transform: translateX(3px);
}



/* 底部区域样式 */
.footer-section {
    background-color: var(--light-bg);
    padding: 30px 0;
    margin-top: 30px;
}

.footer-title {
    font-weight: 600;
    margin-bottom: 15px;
}

.family-intro {
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-list li {
    margin-bottom: 10px;
}

.contact-list i {
    width: 20px;
    margin-right: 10px;
    color: var(--primary-color);
}

.friend-links {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: baseline;
    gap: 20px;
}

.friend-links a {
    color: #495057;
    text-decoration: none;
    white-space: nowrap;
    padding: 4px 8px;
    transition: var(--transition);
}

.friend-links a:hover {
    color: var(--primary-color);
}



/* 视频容器和网格样式 */
.video-container {
    padding: 15px;
}

.video-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px 0;
}

/* 响应式视频网格 */
@media (max-width: 768px) {
    .video-grid {
        gap: 15px;
        padding: 15px 0;
    }

    .video-container {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .video-grid {
        gap: 10px;
        padding: 10px 0;
    }
}

/* 家族社区论坛模块内部布局优化 - 保持水平布局 */
@media (max-width: 991px) {
    /* 确保家族社区论坛内部的两个区域始终保持水平布局 */
    #forum-container .row.g-0 .col-md-6 {
        flex: 0 0 50% !important;
        max-width: 50% !important;
    }
}

@media (max-width: 768px) {
    /* 在更小的屏幕上仍然保持水平布局，但可以调整比例 */
    #forum-container .row.g-0 .col-md-6 {
        flex: 0 0 50% !important;
        max-width: 50% !important;
    }

    /* 调整内部内容的字体大小和间距 */
    #forum-container .p-4 {
        padding: 1rem !important;
    }

    #forum-container .activity-title {
        font-size: 0.9rem;
    }

    #forum-container .activity-content small {
        font-size: 0.75rem;
    }

    /* 家族社区论坛和家族名人榜之间的垂直间距 */
    #forum-container {
        margin-bottom: 2.5rem !important;
    }

    /* #famous-figures-container {
        margin-top: 1rem !important;
        margin-bottom: 2rem !important;
    } */

    /* 调整公告栏在小屏幕时的间距 */
    .announcement-forum-gap {
        margin-top: -35px !important;
    }
}

@media (max-width: 576px) {
    /* 在手机屏幕上进一步优化 */
    #forum-container .p-4 {
        padding: 0.75rem !important;
    }

    #forum-container .activity-title {
        font-size: 0.85rem;
    }

    #forum-container .activity-content small {
        font-size: 0.7rem;
    }

    /* 调整立即进入按钮 */
    #forum-container .fs-4 {
        font-size: 1rem !important;
    }
}

/* 视频项样式 */
.video-item {
    background: transparent;
    border-radius: 0;
    overflow: hidden;
    transition: transform 0.2s;
}

.video-item:hover {
    transform: translateY(-5px);
}

.video-item:hover .preview-video {
    cursor: pointer;
}

.video-link {
    text-decoration: none;
    color: inherit;
}

.video-preview {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 比例 */
    background: #babcbc;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.preview-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* .video-duration removed per requirement */

.video-info {
    padding: 8px 0;
}

.video-title {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
}

.video-meta {
    margin-top: 8px;
    font-size: 13px;
    color: #666;
    display: flex;
    gap: 12px;
}

/* 卡片头部和主体样式 */
.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    padding: 15px 20px;
}

.card-body {
    padding: 20px;
    min-height: 100px;
}

/* 修复公告栏和荣耀榜的布局问题 */
.row > .col-md-6 {
    margin-bottom: 0;
}

/* 设置公告栏与家族社区论坛之间的间距 */
.announcement-forum-gap {
    margin-top: -30px;
}

/* 设置pc荣耀榜与家族名人榜之间的间距 */
.honor-famous-gap {
    margin-top: -30px;
}

/* 空状态占位符通用样式 */
.empty-placeholder,
.empty-content-placeholder,
.article-placeholder,
.video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 25px;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    text-align: center;
}

.empty-content-placeholder {
    padding: 20px;
    margin: 10px 0;
}

.article-placeholder,
.video-placeholder {
    padding: 30px 0;
    width: 100%;
}

.empty-placeholder i,
.empty-content-placeholder i {
    font-size: 2.5rem;
    color: #adb5bd;
    margin-bottom: 15px;
}

.empty-content-placeholder i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.empty-placeholder h5,
.empty-placeholder p,
.empty-content-placeholder p {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.empty-placeholder p {
    margin-bottom: 15px;
}

.empty-content-placeholder p {
    margin-bottom: 0;
}

/* 视频网格空状态 */
.video-grid:empty {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
}

.video-grid:empty:before {
    content: "暂无视频内容";
    color: var(--text-muted);
    font-style: italic;
}

/* 卡片最小高度 */
.min-height-card {
    min-height: 200px;
}

.friend-link {
    position: relative;
    display: inline-block;
    padding: 5px 10px;
    margin-right: 10px;
    margin-bottom: 10px;
    border-radius: 4px;
    background-color: #f8f9fa;
    transition: all 0.3s ease;
}

.friend-link:hover {
    background-color: #e9ecef;
}

.friend-link-name {
    display: inline-block;
    color: #495057;
}

.friend-link-logo {
    position: absolute;
    top: -130px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 580px;
    max-height: 130px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    background-color: white;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    padding: 5px;
    z-index: 100;
}

.friend-link:hover .friend-link-logo {
    opacity: 1;
    visibility: visible;
}

/* 最新活动样式 */
.activity-item {
    padding: 0.5rem 0;
}

.activity-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-bg);
    border-radius: 50%;
    flex-shrink: 0;
}

.activity-title {
    font-size: 0.9rem;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

.activity-content small {
    font-size: 0.75rem;
    color: var(--text-muted);
}