:root {
      --primary-color: #e44d26; /* Cam đỏ */
      --secondary-color: #f7931e; /* Cam */
      --dark-background: #1a1a1a; /* Nền tối */
      --light-text: #f0f0f0; /* Chữ sáng */
      --gray-text: #b0b0b0; /* Chữ xám */
      --border-color: #333; /* Màu viền */
      --spacing-unit: 1rem;
    }

    /* Base styles for the page */
    .page-g-tr-c-ti-p-678 {
      font-family: 'Arial', sans-serif;
      background-color: var(--dark-background);
      color: var(--light-text);
      line-height: 1.6;
      padding-bottom: 60px; /* Space for fixed footer/floating buttons */
    }

    .page-g-tr-c-ti-p-678__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-unit);
    }

    /* Hero Section */
    .page-g-tr-c-ti-p-678__hero-section {
      position: relative;
      text-align: center;
      padding: 10px 0 40px; /* Adjusted padding-top as per instructions */
      overflow: hidden;
      background-color: #000;
    }

    .page-g-tr-c-ti-p-678__hero-image {
      width: 100%;
      height: auto;
      max-height: 500px;
      object-fit: cover;
      opacity: 0.7;
    }

    .page-g-tr-c-ti-p-678__hero-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 90%;
      max-width: 800px;
      z-index: 10;
      background-color: rgba(0, 0, 0, 0.6);
      padding: 20px;
      border-radius: 10px;
    }

    .page-g-tr-c-ti-p-678__hero-title {
      font-size: 2.5rem;
      color: var(--primary-color);
      margin-bottom: 0.5rem;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-g-tr-c-ti-p-678__hero-subtitle {
      font-size: 1.2rem;
      color: var(--light-text);
      margin-bottom: 1.5rem;
    }

    .page-g-tr-c-ti-p-678__cta-button {
      display: inline-block;
      background-color: var(--secondary-color);
      color: var(--dark-background);
      padding: 12px 25px;
      border-radius: 5px;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1rem;
    }

    .page-g-tr-c-ti-p-678__cta-button:hover {
      background-color: #ffaa00;
      transform: translateY(-2px);
    }

    /* Section Styling */
    .page-g-tr-c-ti-p-678__section {
      padding: 40px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .page-g-tr-c-ti-p-678__section:last-of-type {
      border-bottom: none;
    }

    .page-g-tr-c-ti-p-678__section-title {
      font-size: 2rem;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 2rem;
    }

    .page-g-tr-c-ti-p-678__text-content {
      font-size: 1rem;
      color: var(--gray-text);
      margin-bottom: 1rem;
      text-align: justify;
    }

    .page-g-tr-c-ti-p-678__text-content strong {
      color: var(--secondary-color);
    }

    /* Feature List */
    .page-g-tr-c-ti-p-678__feature-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-g-tr-c-ti-p-678__feature-item {
      background-color: #2a2a2a;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      text-align: center;
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-g-tr-c-ti-p-678__feature-icon {
      width: 250px; /* Min size 200px */
      height: 150px; /* Min size 200px */
      object-fit: cover;
      margin-bottom: 15px;
      border-radius: 5px;
      max-width: 100%;
      height: auto;
    }

    .page-g-tr-c-ti-p-678__feature-title {
      font-size: 1.3rem;
      color: var(--secondary-color);
      margin-bottom: 10px;
    }

    .page-g-tr-c-ti-p-678__feature-description {
      font-size: 0.95rem;
      color: var(--gray-text);
    }

    /* How-to Steps */
    .page-g-tr-c-ti-p-678__steps-list {
      display: flex;
      flex-direction: column;
      gap: 25px;
      padding: 0;
      list-style: none;
    }

    .page-g-tr-c-ti-p-678__step-item {
      display: flex;
      align-items: flex-start;
      background-color: #2a2a2a;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-g-tr-c-ti-p-678__step-number {
      font-size: 2rem;
      font-weight: bold;
      color: var(--primary-color);
      margin-right: 15px;
      flex-shrink: 0;
    }

    .page-g-tr-c-ti-p-678__step-content {
      text-align: left;
    }

    .page-g-tr-c-ti-p-678__step-title {
      font-size: 1.2rem;
      color: var(--secondary-color);
      margin-bottom: 5px;
    }

    .page-g-tr-c-ti-p-678__step-description {
      font-size: 0.95rem;
      color: var(--gray-text);
    }

    /* Image Gallery */
    .page-g-tr-c-ti-p-678__gallery {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
      margin-top: 2rem;
    }

    .page-g-tr-c-ti-p-678__gallery-item {
      background-color: #2a2a2a;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box;
    }

    .page-g-tr-c-ti-p-678__gallery-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      height: auto;
    }

    .page-g-tr-c-ti-p-678__gallery-caption {
      padding: 15px;
      font-size: 1rem;
      color: var(--light-text);
      text-align: center;
    }

    /* FAQ Section */
    .page-g-tr-c-ti-p-678__faq-section {
      background-color: #222;
    }

    .page-g-tr-c-ti-p-678__faq-item {
      margin-bottom: 10px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
      background-color: #2a2a2a;
    }

    .page-g-tr-c-ti-p-678__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      background-color: #333;
      cursor: pointer;
      user-select: none;
      font-size: 1.1rem;
      color: var(--light-text);
      transition: background-color 0.3s ease;
    }

    .page-g-tr-c-ti-p-678__faq-question:hover {
      background-color: #444;
    }

    .page-g-tr-c-ti-p-678__faq-question h3 {
      margin: 0;
      font-size: 1.1rem;
      color: var(--light-text);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-g-tr-c-ti-p-678__faq-toggle {
      font-size: 1.5rem;
      font-weight: bold;
      color: var(--primary-color);
      margin-left: 10px;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-g-tr-c-ti-p-678__faq-item.active .page-g-tr-c-ti-p-678__faq-toggle {
      transform: rotate(45deg); /* Change + to X-like or - */
    }

    .page-g-tr-c-ti-p-678__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: 0.95rem;
    }

    .page-g-tr-c-ti-p-678__faq-item.active .page-g-tr-c-ti-p-678__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-g-tr-c-ti-p-678__hero-title {
        font-size: 2rem;
      }

      .page-g-tr-c-ti-p-678__hero-subtitle {
        font-size: 1rem;
      }

      .page-g-tr-c-ti-p-678__section-title {
        font-size: 1.8rem;
      }

      .page-g-tr-c-ti-p-678__feature-list,
      .page-g-tr-c-ti-p-678__steps-list,
      .page-g-tr-c-ti-p-678__gallery {
        grid-template-columns: 1fr;
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
      }

      .page-g-tr-c-ti-p-678__feature-item,
      .page-g-tr-c-ti-p-678__step-item,
      .page-g-tr-c-ti-p-678__gallery-item {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
        padding: 15px; /* Adjust padding for smaller screens */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-g-tr-c-ti-p-678__feature-icon,
      .page-g-tr-c-ti-p-678__gallery-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-g-tr-c-ti-p-678__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .page-g-tr-c-ti-p-678__step-number {
        margin-right: 0;
        margin-bottom: 10px;
      }

      .page-g-tr-c-ti-p-678__faq-question {
        font-size: 1rem;
        padding: 12px;
      }

      .page-g-tr-c-ti-p-678__faq-question h3 {
        font-size: 1rem;
      }

      .page-g-tr-c-ti-p-678__faq-answer {
        padding: 15px 12px !important;
      }
    }