/* 电脑端：tab 按钮等宽 */
.single-content-nav .nav-pills .nav-item {
    flex: 1;
}

.single-content-nav .nav-pills .nav-item .nav-link {
    display: block;
    text-align: center;
}

/* 手机端：tab 按钮 3 列等宽对齐 */
@media (max-width: 768px) {
    .single-content-nav .nav-pills {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr);
        gap: .5rem;
    }

    .single-content-nav .nav-pills .nav-item {
        margin-right: 0 !important;
    }

    .single-content-nav .nav-pills .nav-item .nav-link {
        display: block;
        text-align: center;
        width: 100%;
        box-sizing: border-box;
    }
}

/* postcopy-btn 仅作为 JS 选择器，视觉样式继承主题 .nav-link */
.postcopy-btn {
    cursor: pointer;
}

/* ========== 媒体文件弹窗 ========== */

.postcopy-media-modal {
    text-align: left;
}

.postcopy-modal-title {
    margin: 0 0 .75rem;
    font-size: 1rem;
    font-weight: 600;
}

.postcopy-file-count {
    font-size: .8rem;
    font-weight: 400;
    color: #888;
}

.postcopy-media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .6rem;
    max-height: 400px;
    overflow-y: auto;
}

.postcopy-media-card {
    border: 1px solid rgba(0,0,0,.1);
    border-radius: .35rem;
    overflow: hidden;
    background: #fff;
}

.postcopy-thumb {
    position: relative;
    width: 100%;
    padding-top: 75%;
    overflow: hidden;
    background: #f5f5f5;
}

.postcopy-thumb-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.postcopy-thumb-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a2e;
    color: rgba(255,255,255,.7);
    font-size: 2rem;
}

.postcopy-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .35rem .4rem;
}

.postcopy-badge {
    display: inline-block;
    font-size: .65rem;
    padding: .1rem .3rem;
    border-radius: .2rem;
    font-weight: 600;
    line-height: 1.3;
}

.postcopy-badge-image {
    background: rgba(40,167,69,.12);
    color: #28a745;
}

.postcopy-badge-video {
    background: rgba(253,126,20,.12);
    color: #fd7e14;
}

.postcopy-thumb-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.postcopy-thumb-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a2e;
    color: rgba(255,255,255,.5);
    font-size: 1.8rem;
}

.postcopy-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255,255,255,.8);
    font-size: 1.6rem;
    pointer-events: none;
    text-shadow: 0 1px 4px rgba(0,0,0,.4);
}

.postcopy-preview {
    cursor: pointer;
}

.postcopy-video-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.7);
    opacity: 0;
    transition: opacity .2s ease;
}

.postcopy-video-overlay.postcopy-overlay-active {
    opacity: 1;
}

.postcopy-video-wrap {
    position: relative;
    width: 90%;
    max-width: 800px;
}

.postcopy-video-close {
    position: absolute;
    top: -36px;
    right: 0;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: .7;
}

.postcopy-video-close:hover {
    opacity: 1;
}

.postcopy-video-player {
    display: block;
    width: 100%;
    max-height: 80vh;
    border-radius: .35rem;
    background: #000;
}

.postcopy-dl-single {
    display: inline-flex;
    align-items: center;
    padding: .15rem .4rem;
    font-size: .7rem;
    font-weight: 600;
    border: 1px solid rgba(33,99,232,.3);
    border-radius: .25rem;
    background: transparent;
    color: var(--ri-primary, #2163e8);
    cursor: pointer;
    white-space: nowrap;
}

.postcopy-dl-single:hover {
    background: var(--ri-primary, #2163e8);
    color: #fff;
}