.banner-wrap {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: #111;
  }

  .banner-viewport {
    position: relative;
    width: 100%;
    overflow: hidden;
  }

  .banner-track {
    display: flex;
    width: 100%;
    align-items: flex-start;
    transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
  }

  .banner-slide {
    flex: 0 0 100%;
    width: 100%;
    min-width: 0;
    overflow: hidden;
  }

  .banner-slide img {
    width: 100%;
    height: auto;
    display: block;
    user-select: none;
    pointer-events: none;
  }

  .banner-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.15s;
    backdrop-filter: blur(6px);
  }

  .banner-btn:hover { background: rgba(255, 255, 255, 0.28); }
  .banner-btn:active { transform: translateY(-50%) scale(0.96); }
  .banner-btn--prev { left: 12px; }
  .banner-btn--next { right: 12px; }

  .banner-btn svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
  }

  .banner-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 16px;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 0;
    margin: 0;
    list-style: none;
  }

  .banner-dots button {
    width: 8px;
    height: 8px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: background 0.2s, width 0.25s;
  }

  .banner-dots button[aria-current="true"] {
    background: #4a9eff;
    width: 22px;
    border-radius: 4px;
  }

  .banner-dots button:hover { background: rgba(255, 255, 255, 0.6); }