/** QQ8827 Contact Page */
.page-contact {
  background: #08162B;
  color: #F3F8FF;
  font-family: 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

.page-contact a {
  text-decoration: none;
}

/* HERO */
.page-contact__hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 12px;
  padding-bottom: 16px;
}

.page-contact__hero-image-wrapper {
  width: 100%;
  max-width: 1200px;
  padding-left: 12px;
  padding-right: 12px;
  box-sizing: border-box;
}

.page-contact__hero-image {
  width: 100%;
  height: auto;
  aspect-ratio: 17 / 5;
  object-fit: cover;
  display: block;
  border-radius: 12px;
  border: 1px solid #244D84;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.page-contact__hero-content {
  width: 100%;
  max-width: 1200px;
  padding: 16px 12px 0;
  box-sizing: border-box;
  text-align: center;
}

.page-contact__hero-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.2px;
  color: #F3F8FF;
  margin: 0 0 10px;
}

.page-contact__hero-desc {
  font-size: 1rem;
  color: #AFC4E8;
  max-width: 640px;
  margin: 0 auto 18px;
  line-height: 1.6;
}

.page-contact__hero-buttons {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact__hero-btn {
  display: inline-block;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #F3F8FF;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid #244D84;
  box-shadow: 0 2px 12px rgba(79, 168, 255, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}

.page-contact__hero-btn:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 18px rgba(79, 168, 255, 0.4);
}

/* INFO CARDS */
.page-contact__info-section {
  padding: 16px 12px;
}

.page-contact__info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-contact__info-card {
  background: #10233F;
  border: 1px solid #244D84;
  border-radius: 12px;
  padding: 20px 16px;
  box-sizing: border-box;
  text-align: center;
  transition: transform 0.2s ease;
}

.page-contact__info-card:hover {
  transform: translateY(-2px);
}

.page-contact__info-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #F2C14E;
  margin: 0 0 8px;
}

.page-contact__info-text {
  font-size: 0.88rem;
  color: #AFC4E8;
  margin: 0 0 14px;
}

.page-contact__info-btn {
  display: inline-block;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #F3F8FF;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid #244D84;
  transition: opacity 0.2s ease;
}

.page-contact__info-btn:hover {
  opacity: 0.9;
}

/* BRAND SHOWCASE (Logo 4+2 Grid) */
.page-contact__brand-showcase {
  padding: 16px 12px 20px;
}

.page-contact__brand-block {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 16px;
  justify-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.page-contact__brand-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 280px;
  background: #10233F;
  border: 1px solid #244D84;
  border-radius: 12px;
  padding: 14px 14px 18px;
  box-sizing: border-box;
  transition: transform 0.2s ease;
}

.page-contact__brand-item:hover {
  transform: scale(1.02);
}

.page-contact__brand-image {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: contain;
  display: block;
  border-radius: 8px;
  background: #08162B;
}

.page-contact__brand-link {
  display: inline-block;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #F3F8FF;
  padding: 10px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid #244D84;
  transition: opacity 0.2s ease;
}

.page-contact__brand-link:hover {
  opacity: 0.9;
}

.page-contact__brand-item:nth-child(5) { grid-column: 2; }
.page-contact__brand-item:nth-child(6) { grid-column: 3; }

/* GUIDE SECTION */
.page-contact__guide-section {
  padding: 24px 12px;
}

.page-contact__guide-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.page-contact__guide-title {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: #F3F8FF;
  margin: 0 0 10px;
}

.page-contact__guide-subtitle {
  text-align: center;
  color: #AFC4E8;
  font-size: 0.92rem;
  max-width: 640px;
  margin: 0 auto 28px;
}

.page-contact__guide-steps {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-contact__guide-step {
  background: #10233F;
  border: 1px solid #244D84;
  border-radius: 12px;
  padding: 16px;
}

.page-contact__guide-figure {
  margin: 0 0 14px;
}

.page-contact__guide-image {
  display: block;
  width: 100%;
  max-width: 800px;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #244D84;
}

.page-contact__guide-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #F2C14E;
  margin: 0 0 8px;
}

.page-contact__guide-step-text {
  font-size: 0.9rem;
  color: #AFC4E8;
  margin: 0;
}

.page-contact__guide-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-contact__guide-btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  transition: opacity 0.2s ease;
}

.page-contact__guide-btn--primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  border: 1px solid #244D84;
  color: #F3F8FF;
}

.page-contact__guide-btn--secondary {
  background: transparent;
  border: 1px solid #F2C14E;
  color: #F2C14E;
}

.page-contact__guide-btn:hover {
  opacity: 0.9;
}

/* FAQ SECTION */
.page-contact__faq-section {
  padding: 20px 12px 40px;
}

.page-contact__faq-inner {
  max-width: 800px;
  margin: 0 auto;
}

.page-contact__faq-title {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: #F3F8FF;
  margin: 0 0 24px;
}

.page-contact__faq-item {
  margin-bottom: 12px;
  border: 1px solid #244D84;
  border-radius: 10px;
  background: #10233F;
}

.page-contact__faq-details {
  border-radius: 10px;
}

.page-contact__faq-summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: #F3F8FF;
}

.page-contact__faq-summary::-webkit-details-marker {
  display: none;
}

.page-contact__faq-toggle {
  font-size: 1.2rem;
  font-weight: 700;
  color: #F2C14E;
  min-width: 24px;
  text-align: center;
}

.page-contact__faq-content {
  padding: 0 16px 16px;
  margin: 0;
  font-size: 0.88rem;
  color: #AFC4E8;
}

/* TABLET */
@media (max-width: 1024px) {
  .page-contact__info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact__brand-block {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact__brand-item:nth-child(5) { grid-column: auto; }
  .page-contact__brand-item:nth-child(6) { grid-column: auto; }
}

/* MOBILE (max-width: 768px) — đầy đủ các mục bắt buộc */
@media (max-width: 768px) {
  .page-contact__hero {
    padding-top: 14px;
  }

  .page-contact__hero-image {
    aspect-ratio: 2 / 1;
    max-height: 320px;
    object-fit: cover;
  }

  .page-contact__hero-content {
    padding-left: 8px;
    padding-right: 8px;
  }

  .page-contact__info-grid {
    grid-template-columns: 1fr;
    row-gap: 14px;
  }

  .page-contact__brand-block {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-contact__brand-item {
    max-width: 100%;
    padding: 10px 8px 12px;
  }

  .page-contact__brand-item:nth-child(5) { grid-column: auto; }
  .page-contact__brand-item:nth-child(6) { grid-column: auto; }

  .page-contact__brand-link {
    width: 100%;
    padding: 8px 12px;
    font-size: 0.8rem;
  }

  .page-contact__guide-title {
    font-size: 1.2rem;
    line-height: 1.4;
  }

  .page-contact__guide-subtitle {
    font-size: 0.85rem;
  }

  .page-contact__guide-figure {
    margin-bottom: 10px;
  }

  .page-contact__guide-step {
    padding: 12px;
  }

  .page-contact__guide-buttons {
    flex-direction: column;
    align-items: center;
  }

  .page-contact__guide-btn {
    width: 100%;
    max-width: 100%;
    text-align: center;
    box-sizing: border-box;
  }

  .page-contact__faq-title {
    font-size: 1rem;
    line-height: 1.4;
  }

  .page-contact__hero-btn {
    max-width: 100%;
    box-sizing: border-box;
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-contact img {
    max-width: 100%;
    height: auto;
  }
}

/* SMALL MOBILE (max-width: 480px) — an toàn, chống tràn */
@media (max-width: 480px) {
  .page-contact__info-grid,
  .page-contact__brand-block {
    grid-template-columns: 1fr;
  }

  .page-contact__hero-title {
    font-size: 1.25rem;
  }

  .page-contact__hero-desc {
    font-size: 0.85rem;
  }

  .page-contact__info-card,
  .page-contact__brand-item,
  .page-contact__guide-step {
    padding: 10px;
  }

  .page-contact__faq-summary {
    font-size: 0.85rem;
  }

  .page-contact__faq-content {
    font-size: 0.82rem;
  }
}