@charset "UTF-8";
strong {
  font-weight: 700 !important;
}

.hero-background {
  position: relative;
}
.hero-background .container {
  padding: 0;
  display: flex;
  justify-content: center;
}
.hero-background img {
  width: 100%;
  height: auto;
  -o-object-fit: cover;
     object-fit: cover;
}
.hero-background .hero-content h2 {
  font-size: 1.8rem;
  font-weight: 600;
  margin: 0;
}
.hero-background .banner-title {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #ffffff;
}

.blog-banner {
  background: #0099ff;
  height: 12rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-banner h2 {
  color: white;
  font-size: 1.125rem;
  font-weight: 300;
  letter-spacing: 0.05em;
}

.blog-detail-container {
  margin-top: 84px;
  margin-bottom: 84px;
}
.blog-detail-container .blog-main-section {
  display: grid;
  gap: 42px;
  grid-template-columns: 75% 25%;
}
@media (max-width: 1023px) {
  .blog-detail-container .blog-main-section {
    flex-direction: column;
  }
}

.blog-post {
  flex: 1;
  background: white;
}
.blog-post__title {
  font-size: 25px;
  font-weight: 700;
  color: #2d2d2d;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
@media (min-width: 768px) {
  .blog-post__title {
    font-size: 1.875rem;
  }
}
.blog-post__meta {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  color: #2d2d2d;
  font-style: italic;
  margin-bottom: 1.5rem;
  gap: 1rem;
}
.blog-post__author::before, .blog-post__date::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  background: #2d2d2d;
  border-radius: 50%;
  margin-right: 0.5rem;
}
.blog-post__intro {
  font-style: italic;
  color: #2d2d2d;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}
.blog-post__intro p {
  font-size: 16.67px;
}
.blog-post__body {
  color: #2d2d2d;
  line-height: 1.75;
  font-size: 0.875rem;
}
@media (min-width: 768px) {
  .blog-post__body {
    font-size: 1rem;
  }
}
.blog-post__body p {
  margin-bottom: 16.76px;
}
.blog-post__body h2,
.blog-post__body h3,
.blog-post__body h4 {
  font-weight: 700;
  color: #2d2d2d;
  margin-top: 2rem;
  margin-bottom: 1rem;
}
.blog-post__body h2 {
  font-size: 1.125rem;
}
.blog-post__body h3 {
  font-size: 1rem;
}
.blog-post__body img {
  max-width: 100%;
  height: auto;
  border-radius: 0.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin: 2rem 0;
}
.blog-post__body figcaption {
  text-align: center;
  font-size: 0.75rem;
  color: #2d2d2d;
  font-style: italic;
  margin-top: 0.5rem;
}
.blog-post__body ul,
.blog-post__body ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.blog-post__body ul li,
.blog-post__body ol li {
  margin-bottom: 0.5rem;
}
.blog-post__body a {
  color: #0099ff;
  text-decoration: underline;
}
.blog-post__body a:hover {
  color: #003d7a;
}

.blog-toc {
  background: #f4f4f4;
  padding: 1.5rem;
  border-radius: 0.25rem;
  margin: 1.5rem 0;
}
.blog-toc__heading {
  font-style: italic;
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.blog-toc__heading i {
  font-size: 1.25rem;
}
.blog-toc__list {
  list-style: none;
  padding: 0 0 0 24px;
  margin: 0;
}
.blog-toc__item {
  margin-bottom: 0.5rem;
  font-size: 16px;
  font-weight: 500;
  list-style: square;
}
.blog-toc__item a {
  color: #2d2d2d;
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 600;
}
.blog-toc__item a:hover {
  color: #0099ff;
}
.blog-toc__item:has(ul) {
  font-weight: 400;
}
.blog-toc__item ul {
  margin-left: 1.25rem;
  margin-top: 0.25rem;
  list-style: disc;
}
.blog-toc__item ul li {
  font-weight: 400;
}

.blog-share {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}
.blog-share__label {
  font-size: 0.875rem;
  color: #0099ff;
  font-weight: 500;
  text-transform: uppercase;
}
.blog-share__buttons {
  display: flex;
  gap: 0.5rem;
}
.blog-share__btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.875rem;
  transition: transform 0.2s ease;
  text-decoration: none;
}
.blog-share__btn:hover {
  transform: scale(1.1);
}
.blog-share__btn--facebook {
  background: #1877f2;
}
.blog-share__btn--linkedin {
  background: #0077b5;
}
.blog-share__btn--twitter {
  background: #1da1f2;
}
.blog-share__btn--youtube {
  background: #ff0000;
}
.blog-share__btn--instagram {
  background: linear-gradient(135deg, #feda75 0%, #fa7e1e 25%, #d62976 50%, #962fbf 75%, #4f5bd5 100%);
}

.blog-related-list {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
}
.blog-related-list__heading {
  font-weight: 700;
  color: #2d2d2d;
  text-transform: uppercase;
  border-bottom: 2px solid #2b79d1;
  display: inline-block;
  padding-bottom: 0.25rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}
.blog-related-list__items {
  list-style: none;
  padding: 0;
  margin: 0;
}
.blog-related-list__item {
  border-bottom: 1px solid #c1c2c3;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}
.blog-related-list__item:last-child {
  border-bottom: none;
}
.blog-related-list__item a {
  display: flex;
  justify-content: space-between;
  align-items: start;
  text-decoration: none;
  gap: 1rem;
  transition: all 0.2s ease;
}
.blog-related-list__item a:hover .blog-related-list__title {
  color: #0099ff;
}
.blog-related-list__title {
  font-size: 16px;
  color: #2d2d2d;
  line-height: 1.5;
  flex: 1;
}
.blog-related-list__title::before {
  content: "•";
  margin-right: 0.5rem;
  color: #2d2d2d;
}
.blog-related-list__date {
  font-size: 16px;
  color: #2d2d2d;
  white-space: nowrap;
}

.blog-sidebar {
  flex-shrink: 0;
  width: 100%;
}

.blog-search {
  position: relative;
  margin-bottom: 2rem;
}
.blog-search__input {
  width: 100%;
  background: #e5e7eb;
  border: none;
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: #2d2d2d;
  outline: none;
}
.blog-search__input:focus {
  box-shadow: 0 0 0 2px #0099ff;
}
.blog-search__input::-moz-placeholder {
  color: #2d2d2d;
}
.blog-search__input::placeholder {
  color: #2d2d2d;
}
.blog-search__btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #2d2d2d;
  cursor: pointer;
  transition: color 0.2s ease;
}
.blog-search__btn:hover {
  color: black;
}
.blog-search__btn i {
  font-size: 1rem;
}

.blog-categories {
  margin-bottom: 2rem;
}
.blog-categories__heading {
  background: #076de2;
  color: white;
  font-weight: 700;
  padding: 0.5rem 1rem;
  font-size: 18px;
  text-transform: uppercase;
  text-align: center;
}
.blog-categories__list {
  border: 1px solid #e2e8f0;
  border-top: none;
  background: white;
  list-style: none;
  padding: 0;
  margin: 0;
}
.blog-categories__item {
  border-bottom: 1px solid #f3f4f6;
}
.blog-categories__item:last-child {
  border-bottom: none;
}
.blog-categories__item a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  font-size: 16px;
  color: #2d2d2d;
  text-decoration: none;
  transition: all 0.2s ease;
}
.blog-categories__item a:hover {
  color: #0099ff;
  background: #f8fafc;
}
.blog-categories__icon {
  color: #2d2d2d;
  margin-right: 0.5rem;
  font-size: 0.625rem;
}

.blog-sidebar-related__heading {
  background: #076de2;
  color: white;
  font-weight: 700;
  padding: 0.5rem 1rem;
  font-size: 18px;
  text-align: center;
  text-transform: uppercase;
}
.blog-sidebar-related__list {
  border: 1px solid #e2e8f0;
  border-top: none;
  background: white;
  padding: 1rem;
  list-style: none;
  margin: 0;
}
.blog-sidebar-related__item {
  margin-bottom: 1rem;
}
.blog-sidebar-related__item:last-child {
  margin-bottom: 0;
}
.blog-sidebar-related__item a {
  display: flex;
  gap: 0.75rem;
  text-decoration: none;
  transition: all 0.2s ease;
}
.blog-sidebar-related__item a:hover .blog-sidebar-related__title {
  color: #0099ff;
}
.blog-sidebar-related__item a:hover .blog-sidebar-related__image img {
  transform: scale(1.1);
}
.blog-sidebar-related__image {
  flex-shrink: 0;
  width: 35%;
  height: auto;
  overflow: hidden;
  background: #f8fafc;
}
.blog-sidebar-related__image img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  transition: transform 0.3s ease;
}
.blog-sidebar-related__title {
  font-size: 16px;
  line-height: 1.4;
  color: #2d2d2d;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
@media screen and (max-width: 768px) {
  .hero-background img {
    height: 250px;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .hero-background .container {
    padding: 0 16px;
  }
  .hero-background .container .banner-title {
    font-size: 1.25rem;
    line-height: 1.4;
    padding: 0 10px;
    text-align: center;
  }
  .blog-detail-container {
    padding: 20px 12px;
  }
  .blog-detail-container .blog-main-section {
    flex-direction: column;
    gap: 30px;
    padding: 0;
  }
  .blog-detail-container .blog-main-section .blog-post {
    width: 100%;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__title {
    font-size: 1.375rem;
    margin-bottom: 12px;
    line-height: 1.35;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__meta {
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.8125rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__meta .blog-post__author::before {
    width: 3px;
    height: 3px;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__meta .blog-post__date::before {
    width: 3px;
    height: 3px;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__intro {
    margin-bottom: 20px;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__intro p {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 12px;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-toc {
    padding: 1rem;
    margin: 1.25rem 0;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-toc .blog-toc__heading {
    font-size: 1rem;
    margin-bottom: 0.75rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-toc .blog-toc__heading i {
    font-size: 1rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-toc .blog-toc__list .blog-toc__item {
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-toc .blog-toc__list .blog-toc__item a {
    line-height: 1.5;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-toc .blog-toc__list .blog-toc__item ul {
    margin-left: 1rem;
    margin-top: 0.375rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-toc .blog-toc__list .blog-toc__item ul li {
    margin-bottom: 0.375rem;
    font-size: 0.75rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__body {
    font-size: 0.875rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__body div[id^=sec] h2 {
    font-size: 1.125rem;
    margin-top: 1.5rem;
    margin-bottom: 0.875rem;
    line-height: 1.4;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__body div[id^=sec] p {
    font-size: 0.875rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__body figure {
    margin: 1.5rem 0;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__body figure img {
    width: 100%;
    height: auto;
    border-radius: 6px;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__body figure figcaption {
    font-size: 0.6875rem;
    margin-top: 0.5rem;
    padding: 0 8px;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-post__body a {
    font-size: 0.875rem;
    word-break: break-word;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-share {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-top: 1.5rem;
    padding-top: 1rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-share .blog-share__label {
    font-size: 0.8125rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-share .blog-share__buttons {
    gap: 10px;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-share .blog-share__buttons .blog-share__btn {
    width: 32px;
    height: 32px;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-share .blog-share__buttons .blog-share__btn i {
    font-size: 0.875rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-related-list {
    margin-top: 2rem;
    padding-top: 1.25rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-related-list .blog-related-list__heading {
    font-size: 0.8125rem;
    margin-bottom: 1rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-related-list .blog-related-list__items .blog-related-list__item {
    padding-bottom: 0.625rem;
    margin-bottom: 0.875rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-related-list .blog-related-list__items .blog-related-list__item a {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-related-list .blog-related-list__items .blog-related-list__item a .blog-related-list__title {
    font-size: 0.8125rem;
    line-height: 1.5;
  }
  .blog-detail-container .blog-main-section .blog-post .blog-related-list .blog-related-list__items .blog-related-list__item a .blog-related-list__date {
    font-size: 0.6875rem;
    margin-left: 0.75rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar {
    width: 100%;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-search {
    margin-bottom: 1.5rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-search .blog-search__input {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-search .blog-search__btn {
    right: 0.875rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-search .blog-search__btn i {
    font-size: 0.9375rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-categories {
    margin-bottom: 1.5rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-categories .blog-categories__heading {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-categories .blog-categories__list .blog-categories__item a {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-categories .blog-categories__list .blog-categories__item a .blog-categories__icon {
    font-size: 0.5625rem;
    margin-right: 0.625rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-sidebar-related .blog-sidebar-related__heading {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-sidebar-related .blog-sidebar-related__list {
    padding: 0.875rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-sidebar-related .blog-sidebar-related__list .blog-sidebar-related__item {
    margin-bottom: 0.875rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-sidebar-related .blog-sidebar-related__list .blog-sidebar-related__item a {
    gap: 0.625rem;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-sidebar-related .blog-sidebar-related__list .blog-sidebar-related__item a .blog-sidebar-related__image {
    width: 40%;
    height: auto;
    border-radius: 4px;
    overflow: hidden;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-sidebar-related .blog-sidebar-related__list .blog-sidebar-related__item a .blog-sidebar-related__image img {
    aspect-ratio: 16/9;
  }
  .blog-detail-container .blog-main-section .blog-sidebar .blog-sidebar-related .blog-sidebar-related__list .blog-sidebar-related__item a .blog-sidebar-related__title {
    font-size: 0.8125rem;
    line-height: 1.45;
    -webkit-line-clamp: 3;
  }
  .blog-floating-buttons {
    right: 0.75rem;
    bottom: 1rem;
    gap: 0.625rem;
  }
  .blog-floating-buttons .blog-floating-btn {
    width: 44px;
    height: 44px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  }
  .blog-floating-buttons .blog-floating-btn span {
    font-size: 0.5625rem;
  }
  .blog-floating-buttons .blog-floating-btn i {
    font-size: 1.25rem;
  }
  .blog-floating-buttons .blog-floating-btn.blog-floating-btn--zalo span {
    font-size: 0.5625rem;
  }
  .blog-floating-buttons .blog-floating-btn.blog-floating-btn--messenger i {
    font-size: 1.25rem;
  }
  .blog-floating-buttons .blog-floating-btn.blog-floating-btn--phone i {
    font-size: 1.25rem;
  }
}