.platform-details-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.platform-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.platform-title h1 {
    font-size: 36px;
    color: #2c3e50;
}

.official-website .website-btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border-radius: 30px;
    text-decoration: none;
}

.platform-intro p {
    font-size: 18px;
    color: #555;
    line-height: 1.8;
}

.platform-gallery {
    margin-top: 60px;
}

.platform-gallery h2 {
    text-align: center;
    font-size: 28px;
    color: #2c3e50;
    margin-bottom: 10px;
}

.platform-gallery .gallery-note {
    text-align: center;
    font-size: 14px;
    color: #777;
    margin-bottom: 30px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 30px;
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    cursor: zoom-in;
    border-radius: 15px;
}

.zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.zoomed-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.training-section {
    margin-top: 60px;
}

.training-section h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.video-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.video-thumbnail {
    position: relative;
    padding-top: 56.25%;
}

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

.video-item h3 {
    padding: 20px;
    font-size: 18px;
    text-align: center;
}
.zoomed-video {
    max-width: 90%;
    max-height: 90%;
    background: #000;
    border-radius: 10px;
}
.video-note {
    text-align: center;
    font-size: 14px;
    color: #777;
    margin-top: -20px; /* 拉近一点 */
    margin-bottom: 30px;
}

.zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    cursor: zoom-out;
}

.zoomed-image {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
}

.zoomed-video {
    width: 80vw;
    height: auto;
    max-height: 90vh;
}