:root {
      --page-primary-color: #e44d26; /* Cam đỏ */
      --page-secondary-color: #f7931e; /* Cam */
      --page-accent-color: #4CAF50; /* Xanh lá */
      --page-dark-bg: #1a1a1a; /* Nền tối */
      --page-light-bg: #ffffff; /* Nền sáng */
      --page-text-color: #333333; /* Màu chữ chính */
      --page-light-text-color: #f0f0f0; /* Màu chữ sáng */
      --page-border-color: #ddd;
      --page-shadow-color: rgba(0, 0, 0, 0.1);
      --page-button-hover-color: #d84315;
    }

    .page-10bet-app-apk {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-text-color);
      background-color: #f8f8f8;
      padding-top: 10px; /* Decorative padding-top, assuming body handles main offset */
    }

    .page-10bet-app-apk__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
      box-sizing: border-box;
    }

    .page-10bet-app-apk__section--dark {
      background-color: var(--page-dark-bg);
      color: var(--page-light-text-color);
    }

    .page-10bet-app-apk__section-title {
      font-size: 2.5em;
      color: var(--page-primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-weight: bold;
      line-height: 1.2;
    }

    .page-10bet-app-apk__section-title--light {
      color: var(--page-light-text-color);
    }

    .page-10bet-app-apk__text-center {
      text-align: center;
    }

    .page-10bet-app-apk__hero {
      background: linear-gradient(135deg, var(--page-primary-color) 0%, var(--page-secondary-color) 100%);
      color: var(--page-light-text-color);
      padding: 80px 20px;
      text-align: center;
      position: relative;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-10bet-app-apk__hero-background-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.2;
      z-index: 0;
    }

    .page-10bet-app-apk__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-10bet-app-apk__hero-title {
      font-size: 3.2em;
      margin-bottom: 20px;
      line-height: 1.2;
      font-weight: 700;
      color: var(--page-light-text-color);
    }

    .page-10bet-app-apk__hero-subtitle {
      font-size: 1.4em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-10bet-app-apk__button {
      display: inline-block;
      background-color: var(--page-accent-color);
      color: var(--page-light-text-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-10bet-app-apk__button:hover {
      background-color: #388e3c;
      transform: translateY(-2px);
    }

    .page-10bet-app-apk__image-wrapper {
      text-align: center;
      margin: 30px 0;
      box-sizing: border-box;
    }

    .page-10bet-app-apk__image {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 5px 20px var(--page-shadow-color);
      object-fit: contain;
      box-sizing: border-box;
    }

    .page-10bet-app-apk__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-10bet-app-apk__feature-card {
      background-color: var(--page-light-bg);
      border-radius: 10px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 5px 20px var(--page-shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-10bet-app-apk__feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-10bet-app-apk__feature-icon {
      width: 150px; /* Minimum size requirement */
      height: 150px; /* Minimum size requirement */
      margin-bottom: 20px;
      object-fit: contain;
    }

    .page-10bet-app-apk__feature-title {
      font-size: 1.5em;
      color: var(--page-primary-color);
      margin-bottom: 15px;
      font-weight: 600;
    }

    .page-10bet-app-apk__steps-list {
      list-style: none;
      padding: 0;
      margin-top: 40px;
    }

    .page-10bet-app-apk__step-item {
      display: flex;
      align-items: center;
      margin-bottom: 30px;
      background-color: var(--page-light-bg);
      border-radius: 10px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
      padding: 25px;
      box-sizing: border-box;
    }

    .page-10bet-app-apk__step-item:last-child {
      margin-bottom: 0;
    }

    .page-10bet-app-apk__step-number {
      background-color: var(--page-primary-color);
      color: var(--page-light-text-color);
      font-size: 1.8em;
      font-weight: bold;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      flex-shrink: 0;
      margin-right: 25px;
    }

    .page-10bet-app-apk__step-content h3 {
      font-size: 1.6em;
      color: var(--page-primary-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-10bet-app-apk__step-content p {
      font-size: 1.1em;
      color: var(--page-text-color);
    }

    .page-10bet-app-apk__faq-container {
      margin-top: 40px;
      border-top: 1px solid var(--page-border-color);
      padding-top: 20px;
    }

    .page-10bet-app-apk__faq-item {
      background-color: var(--page-light-bg);
      border: 1px solid var(--page-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-10bet-app-apk__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 25px;
      cursor: pointer;
      background-color: #f0f0f0;
      color: var(--page-text-color);
      font-size: 1.2em;
      font-weight: 600;
      transition: background-color 0.3s ease;
      user-select: none;
      box-sizing: border-box;
    }

    .page-10bet-app-apk__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-10bet-app-apk__faq-question:hover {
      background-color: #e9e9e9;
    }

    .page-10bet-app-apk__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-10bet-app-apk__faq-item.active .page-10bet-app-apk__faq-toggle {
      transform: rotate(45deg); /* Plus to Minus */
    }

    .page-10bet-app-apk__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: var(--page-text-color);
      box-sizing: border-box;
    }

    .page-10bet-app-apk__faq-item.active .page-10bet-app-apk__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-10bet-app-apk__promo-banner {
      background: linear-gradient(90deg, #FF6F61 0%, #DE4F38 100%); /* Warm gradient */
      color: var(--page-light-text-color);
      padding: 30px 20px;
      text-align: center;
      border-radius: 10px;
      margin-top: 40px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
      box-sizing: border-box;
    }

    .page-10bet-app-apk__promo-banner h2 {
      font-size: 2em;
      margin-bottom: 15px;
      color: var(--page-light-text-color);
    }

    .page-10bet-app-apk__promo-banner p {
      font-size: 1.2em;
      margin-bottom: 25px;
    }

    /* Responsive Design */
    @media (max-width: 992px) {
      .page-10bet-app-apk__hero-title {
        font-size: 2.8em;
      }
      .page-10bet-app-apk__hero-subtitle {
        font-size: 1.2em;
      }
      .page-10bet-app-apk__section-title {
        font-size: 2em;
      }
      .page-10bet-app-apk__feature-card {
        padding: 25px;
      }
      .page-10bet-app-apk__step-item {
        flex-direction: column;
        text-align: center;
      }
      .page-10bet-app-apk__step-number {
        margin: 0 auto 20px auto;
      }
    }

    @media (max-width: 768px) {
      .page-10bet-app-apk__section {
        padding: 30px 15px;
      }
      .page-10bet-app-apk__hero {
        padding: 60px 15px;
      }
      .page-10bet-app-apk__hero-title {
        font-size: 2.2em;
      }
      .page-10bet-app-apk__hero-subtitle {
        font-size: 1em;
      }
      .page-10bet-app-apk__button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-10bet-app-apk__section-title {
        font-size: 1.8em;
        margin-bottom: 25px;
      }
      .page-10bet-app-apk__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .page-10bet-app-apk__feature-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important;
      }
      .page-10bet-app-apk__feature-icon {
        width: 120px;
        height: 120px;
      }
      .page-10bet-app-apk__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important;
      }
      .page-10bet-app-apk__step-number {
        font-size: 1.5em;
        width: 45px;
        height: 45px;
        margin-bottom: 15px;
      }
      .page-10bet-app-apk__step-content h3 {
        font-size: 1.4em;
      }
      .page-10bet-app-apk__step-content p {
        font-size: 0.95em;
      }
      .page-10bet-app-apk__faq-question {
        padding: 15px 15px;
        font-size: 1.1em;
      }
      .page-10bet-app-apk__faq-question h3 {
        font-size: 1.1em;
      }
      .page-10bet-app-apk__faq-answer {
        padding: 15px 15px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      .page-10bet-app-apk__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-10bet-app-apk__promo-banner h2 {
        font-size: 1.8em;
      }
      .page-10bet-app-apk__promo-banner p {
        font-size: 1.1em;
      }
      .page-10bet-app-apk__image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-10bet-app-apk__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-10bet-app-apk__hero-title {
        font-size: 1.8em;
      }
      .page-10bet-app-apk__hero-subtitle {
        font-size: 0.9em;
      }
      .page-10bet-app-apk__section-title {
        font-size: 1.5em;
      }
      .page-10bet-app-apk__feature-title {
        font-size: 1.3em;
      }
      .page-10bet-app-apk__step-content h3 {
        font-size: 1.2em;
      }
      .page-10bet-app-apk__step-content p {
        font-size: 0.9em;
      }
      .page-10bet-app-apk__promo-banner h2 {
        font-size: 1.5em;
      }
      .page-10bet-app-apk__promo-banner p {
        font-size: 1em;
      }
    }