:root {
      --primary-color: #e60000; /* Đỏ mạnh */
      --secondary-color: #ffcc00; /* Vàng */
      --dark-bg: #1a1a1a; /* Nền tối */
      --light-text: #ffffff; /* Chữ trắng */
      --gray-text: #cccccc; /* Chữ xám nhạt */
      --button-hover-bg: #cc0000;
      --border-color: #333333;
      --card-bg: #2a2a2a;
      --shadow-color: rgba(0, 0, 0, 0.5);
    }

    /* Base styles for the page */
    .page-c-c-c-th-thao-tr-c-tuy-n {
      font-family: 'Arial', sans-serif;
      color: var(--light-text);
      background-color: var(--dark-bg);
      line-height: 1.6;
      padding-top: 10px; /* Adjust for fixed header, assuming body padding-top is handled by shared CSS */
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    /* Hero Section */
    .page-c-c-c-th-thao-tr-c-tuy-n__hero-section {
      position: relative;
      text-align: center;
      color: var(--light-text);
      padding: 80px 20px 40px;
      overflow: hidden;
      background-color: #000; /* Fallback for image */
      border-radius: 10px;
      margin-bottom: 40px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.6;
      z-index: 1;
      max-width: 100%; /* Ensure responsiveness */
      height: auto; /* Ensure responsiveness */
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__hero-title {
      font-size: 3em;
      margin-bottom: 20px;
      color: var(--secondary-color);
      text-shadow: 2px 2px 4px var(--shadow-color);
      line-height: 1.2;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--gray-text);
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__cta-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--light-text);
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__cta-button:hover {
      background-color: var(--button-hover-bg);
    }

    /* Section Styling */
    .page-c-c-c-th-thao-tr-c-tuy-n__section {
      padding: 40px 0;
      text-align: center;
      margin-bottom: 40px;
      border-radius: 10px;
      background-color: var(--card-bg);
      box-shadow: 0 4px 8px var(--shadow-color);
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__section-title {
      font-size: 2.5em;
      color: var(--secondary-color);
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px var(--shadow-color);
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__section-description {
      font-size: 1.1em;
      color: var(--gray-text);
      max-width: 900px;
      margin: 0 auto 40px;
    }

    /* Features Grid */
    .page-c-c-c-th-thao-tr-c-tuy-n__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
      padding: 0 20px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__feature-item {
      background-color: var(--dark-bg);
      padding: 30px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 2px 5px var(--shadow-color);
      transition: transform 0.3s ease;
      border: 1px solid var(--border-color);
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__feature-icon {
      width: 100px; /* CSS width for layout. Actual image will be min 200x200 as per placeholder. */
      height: 100px;
      object-fit: contain;
      margin-bottom: 20px;
      max-width: 100%;
      height: auto;
      border-radius: 5px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__feature-title {
      font-size: 1.5em;
      color: var(--primary-color);
      margin-bottom: 15px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__feature-description {
      color: var(--gray-text);
      font-size: 0.95em;
    }

    /* Sports Categories */
    .page-c-c-c-th-thao-tr-c-tuy-n__sports-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      padding: 0 20px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__sport-card {
      background-color: var(--dark-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 8px var(--shadow-color);
      transition: transform 0.3s ease;
      border: 1px solid var(--border-color);
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__sport-card:hover {
      transform: translateY(-5px);
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__sport-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      max-width: 100%;
      height: auto;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__sport-content {
      padding: 20px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__sport-title {
      font-size: 1.4em;
      color: var(--secondary-color);
      margin-bottom: 10px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__sport-description {
      font-size: 0.9em;
      color: var(--gray-text);
    }

    /* How-to Steps */
    .page-c-c-c-th-thao-tr-c-tuy-n__steps-list {
      display: flex;
      flex-direction: column;
      gap: 25px;
      margin-top: 40px;
      list-style: none;
      padding: 0 20px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__step-item {
      display: flex;
      align-items: center;
      background-color: var(--dark-bg);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 2px 5px var(--shadow-color);
      border: 1px solid var(--border-color);
      text-align: left;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__step-icon {
      width: 80px; /* CSS width for layout. Actual image will be min 200x200 as per placeholder. */
      height: 80px;
      min-width: 80px;
      object-fit: contain;
      margin-right: 20px;
      max-width: 100%;
      height: auto;
      border-radius: 5px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__step-number {
      font-size: 2.5em;
      font-weight: bold;
      color: var(--primary-color);
      margin-right: 20px;
      line-height: 1;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__step-content {
      flex-grow: 1;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__step-title {
      font-size: 1.6em;
      color: var(--secondary-color);
      margin-bottom: 10px;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__step-description {
      font-size: 1em;
      color: var(--gray-text);
    }

    /* FAQ Section */
    .page-c-c-c-th-thao-tr-c-tuy-n__faq-section {
      padding: 40px 0;
      text-align: center;
      margin-bottom: 40px;
      border-radius: 10px;
      background-color: var(--card-bg);
      box-shadow: 0 4px 8px var(--shadow-color);
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__faq-list {
      max-width: 800px;
      margin: 0 auto;
      padding: 0 20px;
      text-align: left;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      background-color: var(--dark-bg);
      overflow: hidden;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #333333;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      color: var(--light-text);
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__faq-question:hover {
      background-color: #444444;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--secondary-color);
      pointer-events: none; /* Prevents text selection from interfering with click */
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--primary-color);
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevents toggle icon from interfering with click */
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__faq-item.active .page-c-c-c-th-thao-tr-c-tuy-n__faq-toggle {
      transform: rotate(45deg); /* Plus sign becomes a cross (minus) */
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--gray-text);
      font-size: 0.95em;
    }

    .page-c-c-c-th-thao-tr-c-tuy-n__faq-item.active .page-c-c-c-th-thao-tr-c-tuy-n__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-c-c-c-th-thao-tr-c-tuy-n__hero-title {
        font-size: 2.5em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__section-title {
        font-size: 2em;
      }
    }

    @media (max-width: 768px) {
      .page-c-c-c-th-thao-tr-c-tuy-n__hero-section {
        padding: 60px 15px 30px;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__hero-title {
        font-size: 2em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__hero-description {
        font-size: 1em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__section {
        padding: 30px 0;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__section-title {
        font-size: 1.8em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__section-description {
        font-size: 0.95em;
        margin-bottom: 30px;
        padding: 0 15px;
      }

      /* Features Grid Mobile */
      .page-c-c-c-th-thao-tr-c-tuy-n__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__feature-item {
        padding: 25px;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__feature-icon {
        width: 80px; /* Still min 200x200 due to placeholder rule */
        height: 80px;
        margin-bottom: 15px;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__feature-title {
        font-size: 1.3em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__feature-description {
        font-size: 0.9em;
      }

      /* Sports Categories Mobile */
      .page-c-c-c-th-thao-tr-c-tuy-n__sports-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__sport-image {
        height: 180px;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__sport-title {
        font-size: 1.2em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__sport-description {
        font-size: 0.85em;
      }

      /* How-to Steps Mobile */
      .page-c-c-c-th-thao-tr-c-tuy-n__steps-list {
        gap: 20px;
        padding: 0 15px;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__step-item {
        flex-direction: column;
        text-align: center;
        padding: 20px;
        box-sizing: border-box !important;
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__step-icon {
        margin-right: 0;
        margin-bottom: 15px;
        width: 80px !important;
        height: 80px !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__step-number {
        margin-right: 0;
        margin-bottom: 15px;
        font-size: 2em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__step-title {
        font-size: 1.4em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__step-description {
        font-size: 0.9em;
      }

      /* FAQ Mobile */
      .page-c-c-c-th-thao-tr-c-tuy-n__faq-list {
        padding: 0 15px;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__faq-question {
        padding: 12px 15px;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__faq-question h3 {
        font-size: 1.1em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__faq-toggle {
        font-size: 1.5em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__faq-answer {
        padding: 15px 15px !important; /* Adjust for mobile */
      }
    }

    @media (max-width: 480px) {
      .page-c-c-c-th-thao-tr-c-tuy-n__hero-title {
        font-size: 1.8em;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__section-title {
        font-size: 1.6em;
      }
    }

    /* Global image responsive rules for all images */
    .page-c-c-c-th-thao-tr-c-tuy-n img {
      max-width: 100%;
      height: auto;
      box-sizing: border-box; /* Ensure padding/border is included in width */
    }
    .page-c-c-c-th-thao-tr-c-tuy-n__image-container { /* Generic container for images */
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }
    @media (max-width: 768px) {
      .page-c-c-c-th-thao-tr-c-tuy-n img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-c-c-c-th-thao-tr-c-tuy-n__image-container {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      /* Ensure list items also adhere to mobile responsiveness */
      .page-c-c-c-th-thao-tr-c-tuy-n__features-grid .page-c-c-c-th-thao-tr-c-tuy-n__feature-item,
      .page-c-c-c-th-thao-tr-c-tuy-n__sports-grid .page-c-c-c-th-thao-tr-c-tuy-n__sport-card,
      .page-c-c-c-th-thao-tr-c-tuy-n__steps-list .page-c-c-c-th-thao-tr-c-tuy-n__step-item,
      .page-c-c-c-th-thao-tr-c-tuy-n__faq-list .page-c-c-c-th-thao-tr-c-tuy-n__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 15px !important; /* Adjust padding to avoid excessive inner spacing */
        padding-right: 15px !important; /* Adjust padding to avoid excessive inner spacing */
      }
      /* Specific override for step-item due to flex-direction column */
      .page-c-c-c-th-thao-tr-c-tuy-n__steps-list .page-c-c-c-th-thao-tr-c-tuy-n__step-item {
        padding: 20px 15px !important;
      }
      /* Ensure text wrap for all list item content */
      .page-c-c-c-th-thao-tr-c-tuy-n__feature-description,
      .page-c-c-c-th-thao-tr-c-tuy-n__sport-description,
      .page-c-c-c-th-thao-tr-c-tuy-n__step-description,
      .page-c-c-c-th-thao-tr-c-tuy-n__faq-answer {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }