/**
 * Maintenance Video List — 维护教程视频列表
 * 版本: 1.0.0
 *
 * 服务于: template-parts/section/maintenance-tutorials.php
 * 类前缀: .maint-video-*（独立样式，不与其他页面共享）
 *
 * 布局: 2 列网格，每张卡片 "左图(16:9 缩略图) + 右文(分类/标题/CTA)"
 * 响应式: 平板 1 列，移动端上图下文
 */

/* ===== Section ===== */
.maint-video-section {
    padding: 80px 0;
    background: #fafafa;
}

.maint-video-section .container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Grid ===== */
.maint-video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

/* ===== Card: 左图 + 右文（flex） ===== */
.maint-video-card {
    display: flex;
    align-items: stretch;
    gap: 20px;
    background: #fff;
    border-radius: 14px;
    padding: 16px;
    text-decoration: none;
    color: inherit;
    border: 1px solid transparent;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    overflow: hidden;
}

.maint-video-card:hover {
    transform: translateY(-4px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 14px 40px rgba(14, 165, 233, 0.12);
}

/* ===== Thumbnail ===== */
.maint-video-thumb {
    position: relative;
    flex: 0 0 320px;
    width: 320px;
    border-radius: 10px;
    overflow: hidden;
    background: #1a1a2e;
    flex-shrink: 0;
}

.maint-video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.maint-video-card:hover .maint-video-thumb img {
    transform: scale(1.08);
}

.maint-video-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a2e4a 0%, #2d5a7a 100%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 36px;
}

/* 居中播放按钮 */
.maint-video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    padding-left: 4px;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.maint-video-card:hover .maint-video-play {
    background: #0ea5e9;
    transform: translate(-50%, -50%) scale(1.08);
}

/* 右下角时长 */
.maint-video-introduction {
   position: static;
    right: auto;
    bottom: auto;
    margin: 0 0 12px 0;
    padding: 0;
    background: none;
    color: #555;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    border-radius: 0;
    letter-spacing: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== Body (右文) ===== */
.maint-video-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4px 4px 4px 0;
}

.maint-video-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    padding: 4px 10px;
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    color: #0369a1;
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
    border: 1px solid #7dd3fc;
    margin-bottom: 10px;
}

.maint-video-category i {
    font-size: 11px;
}

.maint-video-title {
    font-size: 17px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.45;
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.maint-video-card:hover .maint-video-title {
    color: #0369a1;
}

.maint-video-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #0284c7;
    letter-spacing: 0.5px;
    margin-top: auto;
    transition: gap 0.3s ease;
}

.maint-video-card:hover .maint-video-cta {
    gap: 10px;
}

.maint-video-cta i {
    font-size: 11px;
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
    .maint-video-section {
        padding: 60px 0;
    }
    .maint-video-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .maint-video-section {
        padding: 50px 0;
    }
    .maint-video-card {
        flex-direction: column;
        padding: 12px;
    }
    .maint-video-thumb {
        flex: 0 0 auto;
        width: 100%;
    }
    .maint-video-body {
        padding: 4px 4px 0 4px;
    }
    .maint-video-title {
        font-size: 16px;
    }
}