    :root {
      --muted-article: #94a3b8;
      --shadow-article: 0 25px 70px rgba(0, 0, 0, 0.35);
    }
    #main {
      margin: 0;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .slider-shell {
      width: 96vw;
      max-width: 1100px;
      display: grid;
      gap: 16px;
    }
    .slider-header h1 {
      margin: 0;
      font-size: 28px;
      letter-spacing: 0.3px;
    }
    .slider-header p {
      margin: 6px 0 0;
      color: var(--muted-article);
      font-size: 14px;
    }
    .slider-article {
      position: relative;
      width: 100%;
      height: min(90vh, 900px);
      min-height: 360px;
      /* background: linear-gradient(135deg, #111827 0%, #0b1220 60%, #0a1429 100%); */
      border-radius: 18px;
      overflow: hidden;
      box-shadow: var(--shadow-article);
      border: 1px solid rgba(255, 255, 255, 0.05);
    }
    .slide-track {
      display: flex;
      height: 100%;
      transition: transform 0.65s cubic-bezier(0.2, 0.8, 0.3, 1);
    }
    .slide {
      flex: 0 0 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .slide a {
      display: block;
      width: 100%;
      height: 100%;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.02);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
      overflow: hidden;
    }
    .slide img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
      border-radius: 14px;
      transition: transform 0.4s ease, box-shadow 0.4s ease;
    }
    .slide a:hover img {
      transform: scale(1.02);
      box-shadow: 0 15px 50px rgba(0, 0, 0, 0.35);
    }
    .slide-source {
      display: none;
    }
    .nav-btn {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 44px;
      height: 44px;
      border-radius: 50%;
      font-size: 20px;
      cursor: pointer;
      display: grid;
      place-items: center;
      transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
      backdrop-filter: blur(4px);
      z-index: 5; /* always above slides */
    }
    .nav-btn.prev { left: 0; }
    .nav-btn.next { right: 0; margin:0;}
    .thumbs-wrap {
      position: relative;
      width: 96vw;
      max-width: 1100px;
      margin: 8px auto 0;
      box-sizing: border-box;
    }
    .thumbs {
      display: flex;
      flex-wrap: nowrap;
      gap: 10px;
      padding: 6px 46px;
      width: 100%;
      max-width: 100%;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.03);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
      overflow-x: auto;
      scroll-behavior: smooth;
    }
    .thumbs::-webkit-scrollbar {
      /* height: 8px; */
    }
    .thumbs::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.18);
      border-radius: 99px;
    }
    .thumb {
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      cursor: pointer;
      border: 1px solid transparent;
      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
      flex: 0 0 110px;
    }
    .thumb img {
      width: 100%;
      height: 80px;
      object-fit: cover;
      display: block;
    }
    .thumb.active {
      border-color: rgba(56, 189, 248, 0.8);
      box-shadow: 0 8px 22px rgba(56, 189, 248, 0.25);
      transform: translateY(-2px);
    }
    .thumbs-btn {
      position: absolute;
      top: 6px;
      bottom: 0;
      width: 38px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background 0.2s ease, transform 0.2s ease;
      z-index: 2;
      height: 80px;;
    }
    .thumbs-btn.prev { left: 0; }
    .thumbs-btn.next { right: 0; }
    @media (max-width: 640px) {
      .shop-container { padding: 0 16px; }
      .slider-article { height: 70vh; }
      .nav-btn { width: 38px; height: 38px; }
    }

    .slider-shell .nav-btn,.slider-shell .thumbs-btn{
        line-height: 0!important;
        min-height: 0!important;
        padding: 0!important;
    }
    .thumbs-btn.next{
        margin-right: 0;
    }