.ysa-product-section {
	font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px 60px;
    }
    .ysa-product-breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 4px;
      padding: 18px 0 28px;
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-weight: 600;
      font-size: 14px;
    }
    .ysa-product-breadcrumb a {
      color: #1557C0;
      text-decoration: none;
      transition: color 0.2s;
    }
    .ysa-product-breadcrumb a:hover { color: #0B2E6F; text-decoration: underline; }
    .ysa-product-breadcrumb-sep { color: #aab0bb; font-size: 13px; user-select: none; }
    .ysa-product-breadcrumb-current { color: #2F3A4A; }

    .ysa-product-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 52px;
      align-items: start;
    }
    .ysa-product-gallery { display: flex; flex-direction: column; gap: 16px; }
    .ysa-product-stage {
      position: relative;
      width: 100%;
      max-width: 450px;
      height: 450px;
      margin: 0 auto;
      border: 1px solid #e3e8f0;
      border-radius: 10px;
      overflow: hidden;
      background: #f9fafc;
    }
    .ysa-product-slide {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.35s ease;
      pointer-events: none;
      cursor: zoom-in;
      text-decoration: none;
    }
    .ysa-product-slide.is-active {
      opacity: 1;
      pointer-events: auto;
    }
    .ysa-product-slide img {
      max-width: 100%;
      max-height: 100%;
      width: auto;
      height: auto;
      object-fit: contain;
      display: block;
    }
    .ysa-product-zoom-hint {
      position: absolute;
      bottom: 10px;
      right: 12px;
      background: rgba(255,255,255,0.88);
      border: 1px solid #dce3ed;
      border-radius: 6px;
      padding: 4px 8px;
      display: flex;
      align-items: center;
      gap: 5px;
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-size: 11px;
      font-weight: 600;
      color: #555f6e;
      pointer-events: none;
      z-index: 2;
    }
    .ysa-product-official-badge {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 7px;
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-weight: 700;
      font-size: 16px;
      color: #0B2E6F;
      letter-spacing: 0.02em;
    }
    .ysa-product-thumbnails {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }
    .ysa-product-thumb {
      width: 76px;
      height: 76px;
      border: 2px solid #dce3ed;
      border-radius: 8px;
      overflow: hidden;
      cursor: pointer;
      background: #f4f6fb;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: border-color 0.2s, box-shadow 0.2s;
      flex-shrink: 0;
    }
    .ysa-product-thumb img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      display: block;
    }
    .ysa-product-thumb:hover { border-color: #1557C0; }
    .ysa-product-thumb.is-active {
      border-color: #1557C0;
      box-shadow: 0 0 0 3px rgba(21,87,192,0.18);
    }

    .ysa-product-info { display: flex; flex-direction: column; gap: 20px; }

    .ysa-product-title {
		font-family: Montserrat, "Segoe UI", Arial, sans-serif;
		font-weight: 600;
		font-size: clamp(22px, 4vw, 34px);
		color: #0B2E6F;
		line-height: 1.12;
	}

    .ysa-product-price-block { display: flex; flex-direction: column; gap: 4px; }
    .ysa-product-price-main {
		font-family: Montserrat, "Segoe UI", Arial, sans-serif;
		font-weight: 600;
		font-size: clamp(28px, 3.5vw, 34px);
		color: #1557C0;
		line-height: 1;
	}
    .ysa-product-price-sub {
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-weight: 400;
      font-size: 16px;
      color: #2F3A4A;
    }

    .ysa-product-stock {
      display: flex;
      align-items: center;
      gap: 7px;
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-weight: 700;
      font-size: 16px;
      color: #2EAD4C;
    }

    .ysa-product-notice {
      background: #EBF0FA;
      border: 1.5px solid #b9ccf0;
      border-radius: 10px;
      padding: 16px 18px;
      display: flex;
      gap: 13px;
      align-items: flex-start;
    }
    .ysa-product-notice-icon { flex-shrink: 0; margin-top: 1px; }
    .ysa-product-notice-body { display: flex; flex-direction: column; gap: 5px; }
    .ysa-product-notice-heading {
      font-family: Montserrat, "Segoe UI", Arial, sans-serif;
      font-weight: 700;
      font-size: 18px;
      color: #1557C0;
    }
    .ysa-product-notice-text {
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-weight: 600;
      font-size: 15px;
      color: #1557C0;
      line-height: 1.55;
    }

    .ysa-product-atc-row {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .ysa-product-qty-label {
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-weight: 600;
      font-size: 16px;
      color: #2F3A4A;
      white-space: nowrap;
    }
    .ysa-product-qty-control {
      display: flex;
      align-items: center;
      border: 1.5px solid #ccd4e0;
      border-radius: 7px;
      overflow: hidden;
      height: 46px;
    }
    .ysa-product-qty-input {
      width: 52px;
      height: 100%;
      border: none;
      text-align: center;
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-weight: 600;
      font-size: 16px;
      color: #2F3A4A;
      background: #fff;
      outline: none;
      -moz-appearance: textfield;
    }
    .ysa-product-qty-input::-webkit-outer-spin-button,
    .ysa-product-qty-input::-webkit-inner-spin-button { -webkit-appearance: none; }
    .ysa-product-qty-btns {
      display: flex;
      flex-direction: column;
      border-left: 1.5px solid #ccd4e0;
      height: 100%;
    }
    .ysa-product-qty-btn {
      flex: 1;
      width: 30px;
      background: #f5f7fb;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      color: #555f6e;
      transition: background 0.15s;
    }
    .ysa-product-qty-btn:first-child { border-bottom: 1px solid #ccd4e0; }
    .ysa-product-qty-btn:hover { background: #e2e8f4; color: #0B2E6F; }

    .ysa-product-atc-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      background: #F5C518;
      color: #111;
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-weight: 700;
      font-size: 18px;
      border: none;
      border-radius: 8px;
      padding: 0 28px;
      height: 50px;
      cursor: pointer;
      transition: background 0.2s, transform 0.1s;
      white-space: nowrap;
      flex: 1;
      min-width: 180px;
    }
    .ysa-product-atc-btn:hover { background: #e6b800; }
    .ysa-product-atc-btn:active { transform: scale(0.98); }

    .ysa-product-divider { border: none; border-top: 1px solid #e3e8f0; }

    .ysa-product-best-heading {
      font-family: Montserrat, "Segoe UI", Arial, sans-serif;
      font-weight: 700;
      font-size: 18px;
      color: #1F2C1F;
    }
    .ysa-product-bullets {
      list-style: disc;
      padding-left: 22px;
      display: flex;
      flex-direction: column;
      gap: 7px;
    }
    .ysa-product-bullets li {
      font-family: "Open Sans", "Segoe UI", Arial, sans-serif;
      font-weight: 400;
      font-size: 16px;
      color: #1F2C1F;
      line-height: 1.55;
    }

    @media (max-width: 900px) {
      .ysa-product-layout { grid-template-columns: 1fr; gap: 32px; }
      .ysa-product-stage { max-width: 400px; height: 400px; }
    }
    @media (max-width: 600px) {
      .ysa-product-section { padding: 0 16px 40px; }
      .ysa-product-stage { height: 300px; }
      .ysa-product-atc-btn { font-size: 16px; padding: 0 18px; }
    }
    @media (prefers-reduced-motion: reduce) {
      .ysa-product-slide { transition: none; }
    }