/* ============================================================
   Media Cards 媒体卡片 —— 与 factories.html 源码样式一致
   ============================================================ */

.qing-media-cards {
    --blue: #1b3df5;
    --navy: #0b1a3a;
    --border: #e4e8f0;
    font-family: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
}

.qing-media-cards *,
.qing-media-cards *::before,
.qing-media-cards *::after { box-sizing: border-box; }

.qing-media-cards .media-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
}

.qing-media-cards .media-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}
.qing-media-cards .media-card h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--navy);
    margin: 0 0 12px;
}

.qing-media-cards .media-thumb {
    position: relative;
    width: 100%;
    flex: 1;
    min-height: 120px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qing-media-cards .thumb-catalog {
    background: linear-gradient(150deg, #14233f, #24407a);
    color: #fff;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
}
.qing-media-cards .thumb-catalog .tc-logo {
    font-size: 18px;
    font-weight: 800;
    color: #d8232a;
}
.qing-media-cards .thumb-catalog .tc-txt {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .5px;
    text-align: center;
    line-height: 1.4;
    opacity: .9;
}

.qing-media-cards .thumb-media,
.qing-media-cards .thumb-video,
.qing-media-cards .thumb-vr {
    background: linear-gradient(135deg, #1c2c45, #33425e);
}

.qing-media-cards .thumb-play {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .92);
    display: flex;
    align-items: center;
    justify-content: center;
}
.qing-media-cards .thumb-play svg {
    width: 18px;
    height: 18px;
    margin-left: 3px;
    color: var(--blue);
}

.qing-media-cards .media-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 1px solid var(--blue);
    color: var(--blue);
    border-radius: 6px;
    padding: 9px;
    font-size: 13px;
    font-weight: 600;
    transition: all .2s ease;
    text-decoration: none;
}
.qing-media-cards .media-btn:hover { background: var(--blue); color: #fff; }
.qing-media-cards .media-btn svg { width: 14px; height: 14px; }
.qing-media-cards .media-btn i { font-size: 13px; }

/* ---------- 响应式（与源码一致） ---------- */
@media (max-width: 820px) {
    .qing-media-cards .media-cards { grid-template-columns: 1fr; }
}

/* 整卡可点击 */
.qing-media-cards .media-card.is-clickable { cursor: pointer; }
.qing-media-cards .media-card.is-clickable:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }