@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500&display=swap');

    * {
      box-sizing: border-box;
    }

    .video-container {
      position: relative;
      width: 95%;
      max-width: 1000px;
      border-radius: 16px;
      overflow: hidden;
      background: #000;
      margin: 20px auto;
    }

    .video-wrapper {
      position: relative;
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #000;
      cursor: pointer;
    }

    .video-wrapper video {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 播放图标 */
    .play-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(0, 0, 0, 0.25);
      opacity: 1;
      transition: opacity 0.3s ease;
      pointer-events: none;
    }

    .play-overlay.hidden {
      opacity: 0;
    }

    .play-icon {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(12px);
      border: 2px solid rgba(255, 255, 255, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .play-icon svg {
      width: 28px;
      height: 28px;
      fill: #fff;
      margin-left: 3px;
    }

    /* 控制栏 */
    .controls {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 16px 20px 14px;
      background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
      display: flex;
      align-items: center;
      gap: 14px;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .video-container:hover .controls {
      opacity: 1;
    }

    /* 进度条 */
    .progress-bar {
      flex: 1;
      height: 4px;
      background: rgba(255, 255, 255, 0.2);
      border-radius: 4px;
      cursor: pointer;
      position: relative;
    }

    .progress-bar:hover {
      height: 6px;
    }

    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, #667eea, #764ba2);
      border-radius: 4px;
      pointer-events: none;
    }

    /* 音量按钮 */
    .volume-btn {
      width: 32px;
      height: 32px;
      border: none;
      background: transparent;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      flex-shrink: 0;
    }

    .volume-btn svg {
      width: 20px;
      height: 20px;
      fill: rgba(255, 255, 255, 0.85);
    }

    .volume-btn:hover svg {
      fill: #fff;
    }

    @media (max-width: 640px) {
      .controls { padding: 12px 14px 10px; gap: 10px; }
      .play-icon { width: 60px; height: 60px; }
      .play-icon svg { width: 24px; height: 24px; }
    }