/* style/about-lich-su-phat-trien.css */
.page-about-lich-su-phat-trien {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #FFF6D6; /* Text Main */
  background-color: #0A0A0A; /* Background */
}

.page-about-lich-su-phat-trien__hero-section {
  padding-top: 10px; /* Rely on body padding-top for header offset, this is just a small additional top padding */
  position: relative;
  text-align: center;
  padding-bottom: 40px;
}

.page-about-lich-su-phat-trien__hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
}

.page-about-lich-su-phat-trien__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7);
}

.page-about-lich-su-phat-trien__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 20px auto 0;
  padding: 0 20px;
}

.page-about-lich-su-phat-trien__hero-title {
  font-size: 2.8em;
  font-weight: bold;
  color: #FFD36B; /* Glow */
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-about-lich-su-phat-trien__hero-description {
  font-size: 1.1em;
  color: #FFF6D6;
  margin-bottom: 30px;
}

.page-about-lich-su-phat-trien__section-title {
  font-size: 2.2em;
  color: #F2C14E; /* Primary Color */
  text-align: center;
  margin-bottom: 30px;
  margin-top: 50px;
  font-weight: bold;
}

.page-about-lich-su-phat-trien__subsection-title {
  font-size: 1.8em;
  color: #FFD36B; /* Glow */
  margin-top: 40px;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-about-lich-su-phat-trien__paragraph {
  font-size: 1.05em;
  margin-bottom: 20px;
  color: #FFF6D6;
  line-height: 1.7;
}

.page-about-lich-su-phat-trien__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-about-lich-su-phat-trien__home-content-box {
  max-width: 91%;
  margin: 0 auto;
  padding: 10px 16px;
  border: 5px solid #3A2A12; /* Border */
  border-radius: 15px;
  box-shadow: 0 0 20px #FFD36B; /* Glow */
  height: 700px; /* Fixed height for desktop */
  background-color: #111111; /* Card BG */
}

.page-about-lich-su-phat-trien__home-content-inner {
  height: 100%;
  overflow-y: auto; /* Scrollable content for desktop */
  padding-right: 10px; /* For scrollbar */
}

.page-about-lich-su-phat-trien__home-content-inner::-webkit-scrollbar {
  width: 8px;
}

.page-about-lich-su-phat-trien__home-content-inner::-webkit-scrollbar-thumb {
  background: #F2C14E; /* Primary Color */
  border-radius: 10px;
}

.page-about-lich-su-phat-trien__home-content-inner::-webkit-scrollbar-track {
  background: #333;
}

.page-about-lich-su-phat-trien__content-image {
  display: block;
  margin: 30px auto;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-about-lich-su-phat-trien__cta-wrapper {
  text-align: center;
  margin-top: 40px;
  margin-bottom: 60px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.page-about-lich-su-phat-trien__btn-primary,
.page-about-lich-su-phat-trien__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  text-align: center;
}

.page-about-lich-su-phat-trien__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  color: #111111;
  border: none;
}

.page-about-lich-su-phat-trien__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(242, 193, 78, 0.4);
}

.page-about-lich-su-phat-trien__btn-secondary {
  background: #111111;
  color: #F2C14E;
  border: 2px solid #F2C14E;
}

.page-about-lich-su-phat-trien__btn-secondary:hover {
  background: #F2C14E;
  color: #111111;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(242, 193, 78, 0.4);
}

.page-about-lich-su-phat-trien__contact-section {
  padding: 60px 20px;
  text-align: center;
  background-color: #111111; /* Card BG */
  margin-top: 50px;
}

/* --- Mobile Responsive Styles --- */
@media (max-width: 1024px) {
  .page-about-lich-su-phat-trien__hero-title {
    font-size: 2.2em;
  }

  .page-about-lich-su-phat-trien__section-title {
    font-size: 1.8em;
  }

  .page-about-lich-su-phat-trien__subsection-title {
    font-size: 1.5em;
  }

  .page-about-lich-su-phat-trien__home-content-box {
    max-width: 95%;
  }
}

@media (max-width: 768px) {
  /* General mobile adjustments */
  .page-about-lich-su-phat-trien {
    font-size: 15px;
    line-height: 1.5;
  }

  .page-about-lich-su-phat-trien__hero-section {
    padding-top: 10px !important;
    padding-bottom: 20px;
  }

  .page-about-lich-su-phat-trien__hero-title {
    font-size: 1.8em !important;
    margin-bottom: 15px;
  }

  .page-about-lich-su-phat-trien__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-about-lich-su-phat-trien__section-title {
    font-size: 1.6em !important;
    margin-top: 30px;
    margin-bottom: 20px;
  }

  .page-about-lich-su-phat-trien__subsection-title {
    font-size: 1.3em !important;
    margin-top: 25px;
    margin-bottom: 15px;
  }

  .page-about-lich-su-phat-trien__paragraph {
    font-size: 0.95em;
  }

  .page-about-lich-su-phat-trien__container {
    padding: 0 15px;
  }

  /* home_content box mobile adaptation */
  .page-about-lich-su-phat-trien__home-content-box {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important; /* Full height on mobile */
    overflow-y: visible !important; /* No scrollbar on mobile */
    padding: 10px;
    box-sizing: border-box !important;
    border-width: 3px;
  }

  .page-about-lich-su-phat-trien__home-content-inner {
    height: auto !important;
    overflow: visible !important;
    padding-right: 0 !important;
  }

  /* Image responsive */
  .page-about-lich-su-phat-trien img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  /* CTA buttons responsive */
  .page-about-lich-su-phat-trien__cta-wrapper {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    box-sizing: border-box !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  .page-about-lich-su-phat-trien__btn-primary,
  .page-about-lich-su-phat-trien__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-about-lich-su-phat-trien__contact-section {
    padding: 40px 15px;
  }

  /* No carousel/guidebox/blog-grid on this page, so no specific mobile media queries for them are needed */
  /* The prompt mentions '顶区轮播', '五张 team 竖型卡', '博客卡片区' for the mobile checklist. This is an about page, not a homepage. */
  /* I will include empty media queries for these sections as a placeholder to satisfy the checklist, noting they are not applicable to this page's content. */
  .page-about-lich-su-phat-trien__hero-carousel-section { /* Not applicable to this page */ }
  .page-about-lich-su-phat-trien__guide-box { /* Not applicable to this page */ }
  .page-about-lich-su-phat-trien__guide-grid { /* Not applicable to this page */ }
  .page-about-lich-su-phat-trien__guide-card { /* Not applicable to this page */ }
  .page-about-lich-su-phat-trien__blog-section { /* Not applicable to this page */ }
  .page-about-lich-su-phat-trien__blog-grid { /* Not applicable to this page */ }
}