.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #F2FFF6; /* Text Main */
  background-color: #08160F; /* Background */
}

.page-support__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px 0 60px 0; /* body đã có padding-top */
  background-color: #08160F; /* Background */
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-support__hero-content {
  max-width: 900px;
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}

.page-support__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-support__intro-text {
  font-size: 1.1em;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 30px;
}

.page-support__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background-color 0.3s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.page-support__cta-button:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

.page-support__cta-button--small {
  padding: 10px 20px;
  font-size: 0.9em;
}

.page-support__cta-button--large {
  padding: 18px 35px;
  font-size: 1.2em;
}

.page-support__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  padding-top: 40px;
}

.page-support__section-description {
  font-size: 1em;
  color: #A7D9B8; /* Text Secondary */
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px auto;
}

.page-support__faq-section {
  padding: 60px 20px;
  background-color: #08160F; /* Background */
}

.page-support__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-support__faq-item {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  font-size: 1.1em;
  list-style: none; /* For details summary */
}

.page-support__faq-question::-webkit-details-marker {
  display: none;
}

.page-support__faq-toggle {
  font-size: 1.5em;
  color: #57E38D; /* Glow */
  margin-left: 15px;
}

.page-support__faq-answer {
  padding: 0 25px 15px 25px;
  color: #A7D9B8; /* Text Secondary */
  font-size: 0.95em;
  line-height: 1.7;
}

.page-support__faq-answer p {
  margin-bottom: 10px;
}

.page-support__inline-link {
  color: #57E38D; /* Glow */
  text-decoration: none;
  font-weight: bold;
}

.page-support__inline-link:hover {
  text-decoration: underline;
}

.page-support__contact-section {
  padding: 60px 20px;
  background-color: #0A4B2C; /* Deep Green */
}

.page-support__contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 40px;
}

.page-support__contact-card {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__contact-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 8px rgba(87, 227, 141, 0.5));
}

.page-support__contact-title {
  font-size: 1.4em;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
}

.page-support__contact-text {
  font-size: 0.95em;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-support__when-to-contact {
  max-width: 900px;
  margin: 40px auto 0 auto;
  text-align: center;
  font-size: 1em;
  color: #A7D9B8; /* Text Secondary */
}

.page-support__info-section {
  padding: 60px 20px;
  background-color: #08160F; /* Background */
}

.page-support__info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 40px;
}

.page-support__info-card {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__info-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  filter: brightness(0.8) contrast(1.2) drop-shadow(0 0 10px rgba(17, 168, 78, 0.4));
}

.page-support__info-card-title {
  font-size: 1.3em;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
}

.page-support__info-card-text {
  font-size: 0.95em;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-support__guides-section {
  padding: 60px 20px;
  background-color: #0A4B2C; /* Deep Green */
}

.page-support__guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 40px;
}

.page-support__guide-card {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__guide-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  filter: brightness(0.9) drop-shadow(0 0 8px rgba(34, 199, 104, 0.3));
}

.page-support__guide-title {
  font-size: 1.3em;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
}

.page-support__guide-text {
  font-size: 0.95em;
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-support__why-choose-us {
  padding: 60px 20px;
  background-color: #08160F; /* Background */
}

.page-support__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 40px;
}

.page-support__feature-card {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-support__feature-icon {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 10px rgba(87, 227, 141, 0.6));
}

.page-support__feature-title {
  font-size: 1.4em;
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
}

.page-support__feature-text {
  font-size: 0.95em;
  color: #A7D9B8; /* Text Secondary */
  flex-grow: 1;
}

.page-support__promotions-cta {
  padding: 60px 20px;
  background-color: #0A4B2C; /* Deep Green */
  text-align: center;
}

.page-support__promo-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  max-width: 1000px;
  margin: 0 auto;
  margin-top: 40px;
  margin-bottom: 50px;
}

.page-support__promo-item {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 10px;
  padding: 25px;
  text-align: left;
}

.page-support__promo-title {
  font-size: 1.2em;
  color: #57E38D; /* Glow */
  margin-bottom: 10px;
}

.page-support__promo-text {
  font-size: 0.9em;
  color: #A7D9B8; /* Text Secondary */
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-support__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }
  .page-support__hero-content {
    padding: 30px 20px;
  }
}

@media (max-width: 768px) {
  .page-support {
    font-size: 15px;
  }
  .page-support__hero-section {
    padding: 10px 0 40px 0;
  }
  .page-support__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }
  .page-support__intro-text {
    font-size: 1em;
  }
  .page-support__cta-button {
    padding: 12px 25px;
    font-size: 0.95em;
  }
  .page-support__section-title {
    font-size: clamp(1.6em, 5vw, 2.2em);
    margin-bottom: 30px;
    padding-top: 30px;
  }
  .page-support__section-description {
    font-size: 0.95em;
    margin-bottom: 20px;
  }
  .page-support__faq-section, .page-support__contact-section, .page-support__info-section, .page-support__guides-section, .page-support__why-choose-us, .page-support__promotions-cta {
    padding: 40px 15px;
  }
  .page-support__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }
  .page-support__faq-answer {
    padding: 0 20px 10px 20px;
    font-size: 0.9em;
  }
  .page-support__contact-methods, .page-support__info-cards, .page-support__guides-grid, .page-support__features-grid, .page-support__promo-list {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 30px;
  }
  .page-support__contact-card, .page-support__info-card, .page-support__guide-card, .page-support__feature-card, .page-support__promo-item {
    padding: 20px;
  }
  .page-support__contact-icon {
    width: 80px;
    height: 80px;
  }
  .page-support__contact-title, .page-support__info-card-title, .page-support__guide-title, .page-support__feature-title {
    font-size: 1.2em;
  }
  .page-support__contact-text, .page-support__info-card-text, .page-support__guide-text, .page-support__feature-text {
    font-size: 0.9em;
  }
  .page-support__when-to-contact {
    margin-top: 30px;
    font-size: 0.9em;
  }

  /* Mobile specific image, video, button responsive */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-support__hero-image-wrapper,
  .page-support__contact-card,
  .page-support__info-card,
  .page-support__guide-card,
  .page-support__feature-card,
  .page-support__promo-item,
  .page-support__faq-list,
  .page-support__contact-methods,
  .page-support__info-cards,
  .page-support__guides-grid,
  .page-support__features-grid,
  .page-support__promo-list,
  .page-support__hero-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden !important; /* Ensure no horizontal scroll */
  }

  .page-support__cta-button,
  .page-support__cta-button--small,
  .page-support__cta-button--large,
  .page-support a[class*="button"],
  .page-support a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .page-support__contact-card .page-support__cta-button,
  .page-support__info-card .page-support__cta-button,
  .page-support__guide-card .page-support__cta-button {
    width: auto !important; /* Allow small buttons to be smaller than 100% width if needed */
    max-width: 100% !important;
  }

  .page-support__cta-buttons,
  .page-support__button-group,
  .page-support__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    display: flex;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .page-support__main-title {
    font-size: clamp(1.6em, 7vw, 2.2em);
  }
  .page-support__cta-button--large {
    font-size: 1.1em;
    padding: 15px 25px;
  }
  .page-support__contact-icon {
    width: 70px;
    height: 70px;
  }
}