/* 基础重置和全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        word-break: break-all;/*强制字符换行，防止扩宽页面*/
        color: #e0e0e0;
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
        background-attachment: fixed;
        min-height: 100vh;
        padding: 0;
        font-size: 18px;
        overflow-x: hidden;
        /*flex布局。让内容填充，防止内容过少导致页脚在后面不能在页面底部显示*/
        display: flex;
        flex-direction: column;
    }
    /* 头部容器 */
    .header-container {
        margin: 30px 5vw;
        padding: 20px;
        background: rgba(30, 41, 59, 0.5);
        backdrop-filter: blur(10px);
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    }
    .second-title-container{
      display: flex;
      justify-content: space-between;
      align-items: center; /* 垂直居中*/
    }
    /* 标题样式 */
    #mtitle {
        margin-bottom: 10px;
        font-size: 2.5rem;
        line-height: 1;
        background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        text-shadow: 0 2px 10px rgba(96, 165, 250, 0.2);
        letter-spacing: -0.5px;
        position: relative;
        display: inline-block;
    }
    
    /* 时间样式 */
    #mtime {
        color: #94a3b8;
    }
    #author{
        color: #94a3b8;
    }
    /* 主要内容容器 */
    #content {
        padding: 0px 5vw;
        z-index: 1;
        /* 添加这行，让内容区域自动填充 */
        flex: 1 0 auto;
    }
    footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 200px;
        height: 1px;
        background: linear-gradient(90deg, transparent, #60a5fa, transparent);
    }
    footer {
        text-align: center;
        padding: 20px;
        margin-top: 10px;
        color: #94a3b8;
        font-size: 0.95rem;
        background: rgba(15, 23, 42, 0.9);
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        position: relative;
        /* 确保footer在底部 */
        flex-shrink: 0;
    }
    video{
      max-width: 100%;
      max-height: 100%;
    }
    .bottom-container{
        display: flex;
        margin: 0px 5vw;
        margin-top: 10px;
        justify-content: space-between;
        /*justify-content: center;*/
        align-items: center;
        /*background: rgba(30, 41, 59, 0.5);
        backdrop-filter: blur(10px);
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);*/
    }
    .bottom-container-left{
      display: flex;
    }
    .bottom-container-right{
      display: flex;
    }
    button{
      color: rgb(122, 211, 222);
      padding: 10px 15px;
      background: rgba(15, 23, 42, 0.7);
      border-radius: 8px;
      border: 1px solid rgba(148, 163, 184, 0.2);
      transition: all 0.3s ease;
      cursor: pointer;
    }
    button:hover {
        transform: translateY(-3px);
        box-shadow: 0 5px 5px rgba(59, 130, 246, 0.4);
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        .second-title-container {
            display: initial;
        }
    }