
    /* CSS cho trang one888 */
    :root {
      --page-one888-primary-color: #f0b90b; /* Màu vàng nổi bật */
      --page-one888-secondary-color: #1a1a1a; /* Màu nền tối */
      --page-one888-text-color-light: #f0f0f0; /* Chữ sáng */
      --page-one888-text-color-dark: #333333; /* Chữ tối */
      --page-one888-accent-color: #ff4d4d; /* Màu nhấn, ví dụ cho khuyến mãi */
      --page-one888-bg-dark-gradient: linear-gradient(135deg, #0d1b2a, #203f5f); /* Gradient nền tối */
      --page-one888-button-bg: #4CAF50; /* Màu nền nút */
      --page-one888-button-text: #ffffff; /* Màu chữ nút */
    }

    .page-one888 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--page-one888-text-color-light);
      background: var(--page-one888-secondary-color);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 0; /* Đảm bảo không có padding thừa từ body */
    }

    .page-one888 .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Hero Section */
    .page-one888-hero {
      position: relative;
      background: var(--page-one888-bg-dark-gradient);
      padding-top: 160px; /* An toàn cho header cố định */
      padding-bottom: 40px;
      text-align: center;
    }

    .page-one888-hero-image-wrapper {
        width: 100%;
        max-width: 100%; /* Đảm bảo hình ảnh không tràn */
        margin: 0 auto;
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden; /* Ngăn chặn tràn hình ảnh nếu nó quá lớn */
    }

    .page-one888-hero-image {
        display: block;
        max-width: 100%;
        height: auto; /* Giữ tỷ lệ khung hình */
        border-radius: 10px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
        margin-bottom: 20px;
    }


    .page-one888-hero h1 {
      font-size: 2.8em;
      color: var(--page-one888-primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-one888-hero p {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 30px auto;
      color: var(--page-one888-text-color-light);
    }

    .page-one888-cta-button {
      display: inline-block;
      background-color: var(--page-one888-accent-color);
      color: var(--page-one888-button-text);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-one888-cta-button:hover {
      background-color: #e63946;
      transform: translateY(-2px);
    }

    /* Floating Login Button */
    .page-one888-floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-one888-primary-color);
      color: var(--page-one888-secondary-color);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: page-one888-pulse 2s infinite;
    }

    .page-one888-floating-button:hover {
      background-color: #ffd700;
      transform: scale(1.05);
    }

    @keyframes page-one888-pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.03); }
      100% { transform: scale(1); }
    }

    /* Section Styling */
    .page-one888-section {
      padding: 60px 0;
      background-color: var(--page-one888-secondary-color);
    }

    .page-one888-section:nth-of-type(even) {
      background-color: #121212;
    }

    .page-one888-section h2 {
      font-size: 2.2em;
      color: var(--page-one888-primary-color);
      text-align: center;
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-one888-section h2::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-one888-primary-color);
      border-radius: 2px;
    }

    .page-one888-section h3 {
      font-size: 1.8em;
      color: var(--page-one888-primary-color);
      margin-top: 30px;
      margin-bottom: 20px;
    }

    .page-one888-section p {
      margin-bottom: 15px;
      color: var(--page-one888-text-color-light);
    }

    .page-one888-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .page-one888-card {
      background-color: #2a2a2a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-one888-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-one888-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      border-bottom: 3px solid var(--page-one888-primary-color);
    }

    .page-one888-card h3 {
      font-size: 1.4em;
      color: var(--page-one888-primary-color);
      margin: 20px 15px 10px 15px;
    }

    .page-one888-card p {
      font-size: 0.95em;
      color: #cccccc;
      padding: 0 15px 15px 15px;
    }

    .page-one888-card-link {
        display: block;
        color: var(--page-one888-primary-color);
        text-decoration: none;
        font-weight: bold;
        margin-top: 10px;
        transition: color 0.3s ease;
    }

    .page-one888-card-link:hover {
        color: #ffd700;
        text-decoration: underline;
    }

    /* Game Provider Logos */
    .page-one888-provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: 20px;
      justify-items: center;
      align-items: center;
    }

    .page-one888-provider-logo {
      width: 100px;
      height: 60px;
      object-fit: contain;
      filter: grayscale(80%) brightness(1.5);
      transition: filter 0.3s ease, transform 0.3s ease;
    }

    .page-one888-provider-logo:hover {
      filter: grayscale(0%) brightness(1);
      transform: scale(1.1);
    }

    /* Payment Methods */
    .page-one888-payment-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      gap: 20px;
      justify-items: center;
      align-items: center;
    }

    .page-one888-payment-icon {
      width: 80px;
      height: 50px;
      object-fit: contain;
      filter: brightness(0.8);
      transition: filter 0.3s ease;
    }

    .page-one888-payment-icon:hover {
        filter: brightness(1.2);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-one888-hero {
        padding-top: 140px; /* Điều chỉnh cho di động */
      }
      .page-one888-hero h1 {
        font-size: 2em;
      }
      .page-one888-hero p {
        font-size: 1em;
      }
      .page-one888-cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-one888-section {
        padding: 40px 0;
      }
      .page-one888-section h2 {
        font-size: 1.8em;
      }
      .page-one888-section h3 {
        font-size: 1.5em;
      }
      .page-one888-grid {
        grid-template-columns: 1fr;
      }
      .page-one888-floating-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 0.95em;
      }
    }

    @media (max-width: 480px) {
      .page-one888-hero h1 {
        font-size: 1.8em;
      }
      .page-one888-hero p {
        font-size: 0.9em;
      }
      .page-one888-cta-button {
        padding: 10px 20px;
        font-size: 0.9em;
      }
      .page-one888-section h2 {
        font-size: 1.6em;
      }
      .page-one888-card h3 {
        font-size: 1.2em;
      }
      .page-one888-card p {
        font-size: 0.85em;
      }
      .page-one888-provider-grid,
      .page-one888-payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
      }
      .page-one888-provider-logo,
      .page-one888-payment-icon {
        width: 60px;
        height: 40px;
      }
    }
  