.container1 {
    /*    max-width: 800px;*/
    margin: 0 auto;
    /*    padding: 0 15px;*/
}


/* 视频容器样式 */
.video-container {
    width: 100%;
    /*    margin: 20px 0;*/
    border-radius: 16px;
    /* 、、overflow: hidden; */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    background: #000;
    position: relative;
}

    .video-container video {
        width: 100%;
        height: auto;
        display: block;
        object-fit: cover; /*完全覆盖容器 */
    }

.video-overlay {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: transparent;
    color: white;
    padding: 20px;
    text-align: center;
    justify-content: center;
    align-items: center;
}

/* 内容区域样式 */
.content {
    padding: 30px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

h1 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #2c3e50;
    text-align: center;
    font-weight: 600;
}

h2 {
    font-size: 22px;
    margin: 25px 0 15px;
    color: #3498db;
    border-left: 4px solid #3498db;
    padding-left: 12px;
}

/*p {
    margin-bottom: 15px;
    font-size: 16px;
    color: #555;
}
*/
.features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 30px 0;
}

.feature-card {
    flex: 1;
    min-width: 180px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
}

    .feature-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
    }

    .feature-card h3 {
        font-size: 18px;
        margin-bottom: 12px;
        color: #e74c3c;
    }

.feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
    color: #3498db;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(45deg, #3498db, #2980b9);
    color: white;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 15px;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    border: none;
    cursor: pointer;
    font-size: 16px;
}

    .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
        background: linear-gradient(45deg, #2980b9, #3498db);
    }

.btn-container {
    text-align: center;
    margin: 25px 0;
}

.stats {
    display: flex;
    justify-content: space-around;
    text-align: center;
    margin: 30px 0;
    flex-wrap: wrap;
}

.stat-item {
    padding: 15px;
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: #e74c3c;
    display: block;
}

.stat-label {
    font-size: 14px;
    color: #7f8c8d;
}

.footer {
    text-align: center;
    padding: 25px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin-top: 30px;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .feature-card {
        min-width: 100%;
    }

    h1 {
        font-size: 22px;
    }

    h2 {
        font-size: 20px;
    }

    .stats {
        flex-direction: column;
    }
}