.page-resources {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #E0E0E0; /* Màu chữ nhạt cho nền tối */
  background-color: #0A192F; /* Màu nền chính */
}

.page-resources__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-resources__link {
  color: #FFD700; /* Màu phụ trợ cho liên kết */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-resources__link:hover {
  color: #FFF; /* Sáng hơn khi hover */
}

.page-resources__keyword {
  color: #FFD700; /* Nhấn mạnh từ khóa */
  font-weight: bold;
}

.page-resources__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
  text-align: center;
  cursor: pointer;
  border: none;
}

.page-resources__btn--primary {
  background-color: #FFD700; /* Nút chính màu vàng */
  color: #0A192F; /* Chữ màu tối trên nút vàng */
}

.page-resources__btn--primary:hover {
  background-color: #e6c200; /* Hơi tối hơn khi hover */
  transform: translateY(-2px);
}

.page-resources__btn--secondary {
  background-color: transparent;
  color: #FFD700; /* Nút phụ màu chữ vàng */
  border: 2px solid #FFD700;
}

.page-resources__btn--secondary:hover {
  background-color: #FFD700;
  color: #0A192F;
  transform: translateY(-2px);
}

.page-resources__btn--link {
  background: none;
  border: none;
  color: #FFD700;
  padding: 0;
  font-weight: bold;
  text-decoration: underline;
  display: inline;
}

.page-resources__btn--link:hover {
  color: #FFF;
  text-decoration: none;
}

.page-resources__hero {
  background: linear-gradient(135deg, #0A192F 0%, #2a4b7c 100%); /* Gradient sâu hơn */
  padding: 100px 0;
  text-align: center;
  color: #FFFFFF;
}

.page-resources__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  color: #FFD700;
  line-height: 1.2;
}

.page-resources__hero-description {
  font-size: 1.2em;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-resources__hero-actions .page-resources__btn {
  margin: 0 10px;
}

.page-resources__section {
  padding: 60px 0;
}

.page-resources__section-title {
  font-size: 2.5em;
  color: #FFD700;
  text-align: center;
  margin-bottom: 30px;
}

.page-resources__section-intro {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px auto;
  color: #B0B0B0;
}

.page-resources__grid {
  display: grid;
  gap: 30px;
  margin-top: 30px;
}

.page-resources__grid--3-cols {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-resources__grid--2-cols {
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
}

.page-resources__card, .page-resources__promo-card {
  background-color: #1A2B42; /* Nền card tối hơn một chút */
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-resources__card-img, .page-resources__article-img, .page-resources__promo-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-bottom: 1px solid #FFD700;
}

.page-resources__card-title, .page-resources__article-title, .page-resources__promo-title {
  font-size: 1.5em;
  color: #FFD700;
  margin: 20px 20px 10px 20px;
}

.page-resources__card-title a, .page-resources__article-title a {
  color: #FFD700;
  text-decoration: none;
}

.page-resources__card-title a:hover, .page-resources__article-title a:hover {
  color: #FFFFFF;
}

.page-resources__card-text, .page-resources__article-text, .page-resources__promo-text {
  font-size: 1em;
  color: #B0B0B0;
  padding: 0 20px;
  flex-grow: 1;
}

.page-resources__card .page-resources__btn--link {
  margin: 20px;
  align-self: flex-start;
}

.page-resources__call-to-action {
  display: flex;
  background-color: #1A2B42;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  margin-top: 60px;
  align-items: center;
  overflow: hidden;
}

.page-resources__cta-img {
  width: 40%;
  height: 350px;
  object-fit: cover;
}

.page-resources__cta-content {
  width: 60%;
  padding: 40px;
}

.page-resources__cta-title {
  font-size: 2em;
  color: #FFD700;
  margin-bottom: 15px;
}

.page-resources__cta-text {
  font-size: 1.1em;
  color: #B0B0B0;
  margin-bottom: 25px;
}

.page-resources__article-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.page-resources__article-item {
  display: flex;
  background-color: #1A2B42;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.page-resources__article-item .page-resources__article-img {
  width: 300px;
  height: 200px;
  object-fit: cover;
  flex-shrink: 0;
  border-bottom: none;
  border-right: 1px solid #FFD700;
}

.page-resources__article-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-resources__article-content .page-resources__article-title {
  margin: 0 0 10px 0;
}

.page-resources__article-content .page-resources__article-text {
  padding: 0;
  margin-bottom: 15px;
}

.page-resources__promo-card {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.page-resources__promo-card .page-resources__promo-img {
  width: 40%;
  height: 250px;
  object-fit: cover;
  border-bottom: none;
  border-right: 1px solid #FFD700;
}

.page-resources__promo-content {
  width: 60%;
  padding: 20px;
}

.page-resources__promo-content .page-resources__promo-title {
  margin: 0 0 10px 0;
}

.page-resources__promo-content .page-resources__promo-text {
  padding: 0;
  margin-bottom: 15px;
}

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

.page-resources__accordion-item {
  background-color: #1A2B42;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-resources__accordion-header {
  width: 100%;
  background-color: #2A3E5C; /* Nền header accordion */
  color: #FFD700;
  padding: 20px 25px;
  text-align: left;
  font-size: 1.2em;
  font-weight: bold;
  border: none;
  cursor: pointer;
  outline: none;
  transition: background-color 0.3s ease;
  position: relative;
}

.page-resources__accordion-header:hover {
  background-color: #3B547C;
}

.page-resources__accordion-header::after {
  content: '+';
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5em;
  transition: transform 0.3s ease;
}

.page-resources__accordion-header.active::after {
  content: '-';
  transform: translateY(-50%) rotate(180deg);
}

.page-resources__accordion-content {
  padding: 0 25px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}

.page-resources__accordion-content p {
  padding-bottom: 20px;
  color: #B0B0B0;
  margin-top: 15px;
}

.page-resources__list {
  list-style: none;
  padding: 0;
  max-width: 800px;
  margin: 30px auto;
}

.page-resources__list li {
  background-color: #1A2B42;
  margin-bottom: 10px;
  padding: 15px 20px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  color: #B0B0B0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.page-resources__list li a {
  margin-left: 10px;
  font-weight: bold;
}

.page-resources__list li::before {
  content: '✓';
  color: #FFD700;
  font-weight: bold;
  margin-right: 10px;
  font-size: 1.2em;
}

.page-resources__paragraph {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 20px auto;
  color: #B0B0B0;
}

.page-resources__paragraph--note {
  font-style: italic;
  margin-top: 40px;
}

.page-resources__contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-resources__contact-item {
  background-color: #1A2B42;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-resources__contact-heading {
  font-size: 1.8em;
  color: #FFD700;
  margin-bottom: 15px;
}

.page-resources__contact-text {
  color: #B0B0B0;
  margin-bottom: 25px;
  flex-grow: 1;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-resources__hero-title {
    font-size: 2.8em;
  }
  .page-resources__section-title {
    font-size: 2em;
  }
  .page-resources__grid--2-cols {
    grid-template-columns: 1fr;
  }
  .page-resources__call-to-action {
    flex-direction: column;
  }
  .page-resources__cta-img,
  .page-resources__cta-content {
    width: 100%;
  }
  .page-resources__cta-img {
    height: 280px;
  }
  .page-resources__article-item {
    flex-direction: column;
  }
  .page-resources__article-item .page-resources__article-img {
    width: 100%;
    height: 200px;
    border-right: none;
    border-bottom: 1px solid #FFD700;
  }
  .page-resources__promo-card {
    flex-direction: column;
  }
  .page-resources__promo-card .page-resources__promo-img {
    width: 100%;
    height: 200px;
    border-right: none;
    border-bottom: 1px solid #FFD700;
  }
  .page-resources__promo-content {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .page-resources__hero {
    padding: 80px 0 60px;
  }
  .page-resources__hero-title {
    font-size: 2.2em;
  }
  .page-resources__hero-description {
    font-size: 1em;
    margin-bottom: 30px;
  }
  .page-resources__hero-actions .page-resources__btn {
    display: block;
    margin: 15px auto;
    width: 80%;
  }
  .page-resources__section {
    padding: 40px 0;
  }
  .page-resources__section-title {
    font-size: 1.8em;
  }
  .page-resources__section-intro {
    font-size: 0.95em;
    margin-bottom: 30px;
  }
  .page-resources__grid--3-cols {
    grid-template-columns: 1fr;
  }
  .page-resources__card-title, .page-resources__article-title, .page-resources__promo-title {
    font-size: 1.3em;
  }
  .page-resources__cta-title {
    font-size: 1.6em;
  }
  .page-resources__cta-content {
    padding: 30px;
  }
  .page-resources__accordion-header {
    font-size: 1.1em;
    padding: 18px 20px;
  }
  .page-resources__accordion-header::after {
    right: 20px;
  }
  .page-resources__accordion-content {
    padding: 0 20px;
  }
  .page-resources__contact-item {
    padding: 25px;
  }
  .page-resources__contact-heading {
    font-size: 1.5em;
  }
}