/* 品牌专区 /brands — 视频卡片网格 */
.brands-page {
    --brands-accent: #0d6efd;
    --brands-ink: #1a1d21;
    --brands-muted: #5c636a;
    --brands-line: rgba(0, 0, 0, 0.08);
    --brands-radius: 12px;
    --brands-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
    padding-bottom: 3rem;
}

.brands-page__head {
    text-align: center;
    margin-bottom: 1.5rem;
}

.brands-page__desc {
    color: var(--brands-muted);
    font-size: 1rem;
    margin: 0;
    max-width: 36rem;
    margin-inline: auto;
}

.brands-videos__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 960px;
    margin: 0 auto;
}

@media (max-width: 575px) {
    .brands-videos__grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

.brands-videos__empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--brands-muted);
    padding: 3rem 0;
}

/* 视频卡片 */
.brands-video-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    border-radius: var(--brands-radius);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.brands-video-card:hover,
.brands-video-card:focus-visible {
    transform: translateY(-3px);
    box-shadow: var(--brands-shadow);
    outline: none;
}

.brands-video-card:focus-visible .brands-video-card__media {
    outline: 2px solid var(--brands-accent);
    outline-offset: 2px;
}

.brands-video-card__media {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--brands-radius);
    overflow: hidden;
    background: #0b1220;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
}

.brands-video-card__preview {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.brands-video-card__shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(11, 18, 32, 0) 40%,
        rgba(11, 18, 32, 0.45) 100%
    );
    pointer-events: none;
}

.brands-video-card__play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.brands-video-card__play i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: var(--brands-accent);
    font-size: 1.1rem;
    padding-left: 0.2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease, background 0.2s ease;
}

.brands-video-card:hover .brands-video-card__play i,
.brands-video-card:focus-visible .brands-video-card__play i {
    transform: scale(1.08);
    background: #fff;
}

.brands-video-card__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--brands-ink);
    line-height: 1.4;
    padding: 0 0.25rem;
}

/* 播放弹窗 */
.brands-video-modal {
    position: fixed;
    inset: 0;
    z-index: 1060;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.brands-video-modal[hidden] {
    display: none;
}

body.brands-video-modal-open {
    overflow: hidden;
}

.brands-video-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(11, 18, 32, 0.72);
    backdrop-filter: blur(4px);
}

.brands-video-modal__panel {
    position: relative;
    width: min(900px, 100%);
    background: #fff;
    border-radius: var(--brands-radius);
    padding: 1.25rem 1.25rem 1rem;
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.25);
}

.brands-video-modal__close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.06);
    color: var(--brands-ink);
    cursor: pointer;
    font-size: 1.1rem;
    transition: background 0.15s ease;
    z-index: 1;
}

.brands-video-modal__close:hover,
.brands-video-modal__close:focus-visible {
    background: rgba(0, 0, 0, 0.12);
    outline: none;
}

.brands-video-modal__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--brands-ink);
    margin: 0 2.5rem 0.75rem 0;
    line-height: 1.4;
}

.brands-video-modal__player {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #0b1220;
    border-radius: 8px;
    overflow: hidden;
}

.brands-video-modal__player video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@media (prefers-reduced-motion: reduce) {
    .brands-video-card,
    .brands-video-card__play i,
    .brands-video-modal__close {
        transition: none;
    }
}