/* CSS cho trang 78win tặng 78k */
    :root {
      --page-78wintang78k-primary-color: #FFD700; /* Vàng */
      --page-78wintang78k-secondary-color: #FFFFFF; /* Trắng */
      --page-78wintang78k-background-dark: #1a1a2e; /* Xanh đậm */
      --page-78wintang78k-background-light: #2c0e3e; /* Tím đậm */
      --page-78wintang78k-text-color: #e0e0e0; /* Xám nhạt */
      --page-78wintang78k-accent-color: #E94560; /* Đỏ hồng */
      --page-78wintang78k-border-radius: 8px;
      --page-78wintang78k-padding-section: 20px;
    }

    .page-78wintang78k {
      font-family: 'Arial', sans-serif;
      color: var(--page-78wintang78k-text-color);
      background-color: var(--page-78wintang78k-background-dark);
      line-height: 1.6;
      padding-top: 140px; /* An toàn cho menu nổi */
    }

    .page-78wintang78k * {
      box-sizing: border-box;
    }

    .page-78wintang78k .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-78wintang78k .section {
      padding: var(--page-78wintang78k-padding-section) 0;
      text-align: center;
    }

    .page-78wintang78k .section-dark {
      background-color: var(--page-78wintang78k-background-light);
    }

    .page-78wintang78k h1,
    .page-78wintang78k h2,
    .page-78wintang78k h3 {
      color: var(--page-78wintang78k-primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-78wintang78k h1 {
      font-size: 2.2em;
      margin-top: 20px;
    }

    .page-78wintang78k h2 {
      font-size: 1.8em;
      color: var(--page-78wintang78k-secondary-color);
    }

    .page-78wintang78k h3 {
      font-size: 1.4em;
      color: var(--page-78wintang78k-primary-color);
    }

    .page-78wintang78k p {
      margin-bottom: 1em;
    }

    .page-78wintang78k .btn {
      display: inline-block;
      background-color: var(--page-78wintang78k-accent-color);
      color: var(--page-78wintang78k-secondary-color);
      padding: 12px 25px;
      border-radius: var(--page-78wintang78k-border-radius);
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-78wintang78k .btn:hover {
      background-color: #c9344f; /* Đỏ đậm hơn */
    }

    /* Hero Section */
    .page-78wintang78k .hero-section {
      background-color: var(--page-78wintang78k-background-dark);
      padding: 0; /* Remove padding to keep banner at top */
      text-align: center;
      position: relative;
      overflow: hidden; /* Ensure image doesn't overflow */
    }

    .page-78wintang78k .hero-banner {
      width: 100%;
      height: auto;
      display: block;
      margin: 0 auto; /* Center the image */
      max-width: 100%; /* Ensure it fits width */
      object-fit: contain; /* Maintain aspect ratio */
      border-radius: 0;
    }

    .page-78wintang78k .hero-content {
      padding: 20px 15px;
      position: relative;
      z-index: 10;
      background: linear-gradient(to top, var(--page-78wintang78k-background-dark) 0%, transparent 100%);
      margin-top: -50px; /* Pull content up slightly over banner for blend */
      padding-top: 50px;
    }

    /* Floating Login Button */
    .page-78wintang78k .floating-login-btn {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      background-color: var(--page-78wintang78k-accent-color);
      color: var(--page-78wintang78k-secondary-color);
      padding: 15px 30px;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      font-size: 1.1em;
      white-space: nowrap;
      animation: pulse 2s infinite;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-78wintang78k .floating-login-btn:hover {
      background-color: #c9344f;
      animation: none;
    }

    @keyframes pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    /* Game Categories */
    .page-78wintang78k .game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-78wintang78k .game-card {
      background-color: var(--page-78wintang78k-background-light);
      border-radius: var(--page-78wintang78k-border-radius);
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 15px;
    }

    .page-78wintang78k .game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    }

    .page-78wintang78k .game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
      border-bottom: 2px solid var(--page-78wintang78k-accent-color);
    }

    .page-78wintang78k .game-card h3 {
      margin: 15px 0 10px;
      font-size: 1.1em;
      color: var(--page-78wintang78k-primary-color);
    }

    .page-78wintang78k .game-card p {
      font-size: 0.9em;
      color: var(--page-78wintang78k-text-color);
      padding: 0 10px;
      margin-bottom: 10px;
    }

    .page-78wintang78k .game-card .btn {
      font-size: 0.85em;
      padding: 8px 15px;
    }

    /* Promotions Section */
    .page-78wintang78k .promotion-card {
      background-color: var(--page-78wintang78k-background-light);
      border-radius: var(--page-78wintang78k-border-radius);
      padding: 25px;
      margin-bottom: 20px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      text-align: left;
    }

    .page-78wintang78k .promotion-card h3 {
      color: var(--page-78wintang78k-accent-color);
      margin-top: 0;
      font-size: 1.3em;
    }

    .page-78wintang78k .promotion-card p {
      font-size: 0.95em;
      margin-bottom: 15px;
    }

    /* Game Providers */
    .page-78wintang78k .providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      gap: 15px;
      margin-top: 30px;
    }

    .page-78wintang78k .provider-logo {
      background-color: var(--page-78wintang78k-background-dark);
      border-radius: var(--page-78wintang78k-border-radius);
      padding: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 70px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      transition: transform 0.2s ease;
    }

    .page-78wintang78k .provider-logo:hover {
      transform: scale(1.05);
    }

    .page-78wintang78k .provider-logo img {
      max-width: 90%;
      max-height: 90%;
      object-fit: contain;
      filter: grayscale(100%) brightness(150%); /* Make logos visible on dark background */
      transition: filter 0.3s ease;
    }
    .page-78wintang78k .provider-logo:hover img {
        filter: grayscale(0%) brightness(100%); /* Color on hover */
    }

    /* Payment Methods */
    .page-78wintang78k .payment-methods-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      margin-top: 20px;
    }

    .page-78wintang78k .payment-method-item {
      background-color: var(--page-78wintang78k-background-dark);
      border-radius: var(--page-78wintang78k-border-radius);
      padding: 10px 15px;
      color: var(--page-78wintang78k-primary-color);
      font-weight: bold;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-78wintang78k .payment-method-item img {
      height: 24px; /* Adjust as needed */
      width: auto;
      filter: grayscale(100%) brightness(150%);
    }

    /* FAQ Section */
    .page-78wintang77k .faq-item {
        background-color: var(--page-78wintang78k-background-light);
        border-radius: var(--page-78wintang78k-border-radius);
        margin-bottom: 15px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        text-align: left;
    }

    .page-78wintang77k .faq-question {
        padding: 15px 20px;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: bold;
        color: var(--page-78wintang78k-primary-color);
        font-size: 1.1em;
    }

    .page-78wintang77k .faq-question::after {
        content: '+';
        font-size: 1.5em;
        transition: transform 0.3s ease;
    }

    .page-78wintang77k .faq-question.active::after {
        content: '-';
        transform: rotate(180deg);
    }

    .page-78wintang77k .faq-answer {
        padding: 0 20px 15px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
        color: var(--page-78wintang78k-text-color);
        font-size: 0.95em;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-78wintang78k h1 {
        font-size: 1.8em;
      }
      .page-78wintang78k h2 {
        font-size: 1.5em;
      }
      .page-78wintang78k .game-categories {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-78wintang78k .game-card img {
        height: 100px;
      }
      .page-78wintang78k .floating-login-btn {
        width: calc(100% - 40px);
        max-width: 350px;
        font-size: 1em;
        padding: 12px 20px;
      }
      .page-78wintang78k {
        padding-top: 100px; /* Adjust for smaller mobile headers */
      }
    }

    @media (max-width: 480px) {
      .page-78wintang78k h1 {
        font-size: 1.6em;
      }
      .page-78wintang78k h2 {
        font-size: 1.3em;
      }
      .page-78wintang78k .game-categories {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 10px;
      }
      .page-78wintang78k .game-card img {
        height: 80px;
      }
      .page-78wintang78k .game-card h3 {
        font-size: 1em;
      }
      .page-78wintang78k .game-card p {
        font-size: 0.8em;
      }
      .page-78wintang78k .providers-grid {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
      }
      .page-78wintang78k .provider-logo {
        height: 50px;
      }
    }