.about-block .container {
    max-width: 1100px;
}

.about-tonton-page .about-hero {
    width: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.about-tonton-page .about-hero img {
    width: 100%;
    height: auto;
    display: block;
}

.about-tonton-page .about-block {
    padding: 50px 0 0;
}

.about-tonton-page .about-heading {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--color-black);
    /* text-transform: uppercase; */
    letter-spacing: 0.6px;
    margin: 12px 0 5px;
}

.about-tonton-page .about-paragraphs p {
    font-family: var(--font-light);
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    /* margin-bottom: 15px; */
}

.about-tonton-page .about-paragraphs p b {
    color: var(--color-black);
}

.about-tonton-page .about-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-items: stretch;
}

.about-tonton-page .about-two-col.media-gap-lg {
    grid-template-columns: 2fr 1fr; /* 左大右小，贴合设计图比例 */
}

.about-tonton-page .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.about-tonton-page .about-media {
    /* border-radius: 8px; */
    overflow: hidden;
    background: #ffffff;
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.about-tonton-page .about-media img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: cover;
    border-radius: 5px;
    display: block;
}

.about-tonton-page .about-two-col.media-gap-lg .about-media img {
    height: 100%; /* 两张图更大展示 */
    min-height: 500px;
    border-radius: 5px;
}

.about-tonton-page .about-media-contain img {
    object-fit: cover;
    object-position: top center;
    background: #fff;
}

.about-tonton-page .media-gap-lg {
    margin-top: 20px;
    margin-bottom: 20px;
}

.about-tonton-page .media-gap-md {
    margin-top: 20px;
}

.about-tonton-page .about-video {
    margin-top: 20px;
    position: relative;
    /* Responsive iframe wrapper */
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.about-tonton-page .about-video iframe,
.about-tonton-page .about-video video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
    box-shadow: var(--shadow-sm);
    background: #000;
    display: block;
}

.about-tonton-page .about-video-play-btn {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 999px;
    border: 0;
    background: rgba(0, 0, 0, 0.58);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast), opacity var(--transition-fast);
    z-index: 2;
}

.about-tonton-page .about-video-play-btn:hover {
    background: rgba(0, 0, 0, 0.72);
}

.about-tonton-page .about-video-play-btn.hidden {
    opacity: 0;
    pointer-events: none;
}

.about-tonton-page .about-video-play-icon {
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-left: 18px solid #fff;
    margin-left: 4px;
}

.about-tonton-page .about-banner {
    margin-top: 100px;
}

.about-tonton-page .about-banner img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 992px) {
    .about-tonton-page .about-two-col,
    .about-tonton-page .about-grid { grid-template-columns: 1fr; }
    .about-tonton-page .about-two-col.media-gap-lg .about-media img { height: 350px; min-height: auto; max-height: none; }
}

@media (max-width: 576px) {
    .about-tonton-page .about-media img { height: auto; min-height: auto; aspect-ratio: 16/9; }
    .about-tonton-page .about-two-col.media-gap-lg .about-media img { height: 280px; min-height: auto; max-height: none; aspect-ratio: auto; }
    .about-tonton-page .about-video-play-btn { width: 56px; height: 56px; }
    .about-tonton-page .about-video-play-icon {
        border-top-width: 10px;
        border-bottom-width: 10px;
        border-left-width: 14px;
    }
}