/* Container */
    .container {
      max-width: 1280px;
      margin: 0 auto;
    }
    
    /* Hero Section */
    .hero {
      background: linear-gradient(
        to bottom,
        #eef4fb 0%,
        #e4effa 30%,
        #d6e9fb 65%,
        #c3e0ff 100%
      );
      padding: 60px 140px;
      text-align: center;
      z-index: 999;
    }

    .hero::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 60%;
      height: 1px;

      background: linear-gradient(
        to right,
        transparent,
        rgba(1,118,211,0.35),
        transparent
      );

      opacity: 0.6;
    }

    .hero .container{
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
    }
    
    .hero h1 {
      font-size: 58px;
      font-weight: 800;
      margin-bottom: 15px;
      
    }
    
    .hero .subtext {
      font-size: 18px;
      line-height: 1.7;
      color: var(--text-secondary);
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }
    
    /* Search Bar */
    .search-container {
      width: 100%;
      max-width: 600px;
      margin: 0 auto;
      position: relative;
      display: flex;
      align-items: center;
    }
    
    .search-bar {
      width: 100%;
      padding: 18px 24px 18px 56px;
      border: 2px solid rgba(4,118,211,0.2);
      border-radius: 50px;
      font-size: 16px;
      background: white;
      transition: all 0.3s;
      box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    }
    
    .search-bar:focus {
      outline: none;
      border-color: var(--primary-blue);
      box-shadow: 0 8px 24px rgba(4,118,211,0.15);
    }
    
    .search-icon {
      position: absolute;
      left: 20px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--primary-blue);
    }
    
    .search-icon i {
      font-size: 24px;
      display: flex;
      align-items: center;
    }

    .search-result-box {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  margin-top: 8px;
  z-index: 999;
  display: none;
  overflow: hidden;
}

.search-group-title {
  font-size: 13px;
  font-weight: 700;
  padding: 10px 14px;
  background: #f5f7fb;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.search-group-title img {
  width: 13px;
  height: 13px;
}

.search-result-item {
  display: flex;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid #eee;
  text-decoration: none;
  color: inherit;
}

.search-result-item:hover {
  background: var(--light-blue);
}

.search-thumb {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
}

.search-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.search-title {
  font-size: 14px;
  font-weight: 600;
  text-align: start;
}

.search-no-result {
  padding: 16px;
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
}

    /* Standard Section */
    .standard-section {
      background: transparent;
    }
  

    .standard-section.knowledge,
    .standard-section.news {
      background: var(--bg-light);
    }
    
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 60px;
    }
    
    .section-title {
      font-size: 42px;
      font-weight: 800;
      margin-bottom: 20px;
      
    }
    
    /* Lead Magnet Cards */
    .lead-magnet-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    
    .lead-card {
      background: white;
      border-radius: 20px;
      padding: 32px;
      box-shadow: 0 4px 16px rgba(0,0,0,0.06);
      transition: all 0.3s;
      border: 2px solid transparent;
    }
    
    .lead-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 32px rgba(0,0,0,0.12);
      border-color: var(--primary-blue);
    }

    .merge {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .lead-card i {
      font-size: 24px;
      display: flex;
      align-items: center;
    }
    
    .lead-card h3 {
      font-size: 22px;
      color: var(--dark-blue);
    }
    
    .lead-card p {
      text-align: justify;
      font-size: 16px;
      color: var(--text-secondary);
      margin-bottom: 24px;
      line-height: 1.6;
    }
    
    .lead-card .cta-btn {
      background: var(--primary-blue);
      color: white;
      padding: 14px 28px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: 600;
      font-size: 16px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s;
    }
    
    .lead-card .cta-btn:hover {
      background: var(--dark-blue);
      transform: translateX(4px);
    }

    /* News */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.layout-3-col {
    grid-template-columns: repeat(3, 1fr);
}

.layout-1-col {
    grid-template-columns: 1fr;
}

.layout-2-col {
    grid-template-columns: 1fr 1fr;
}

.layout-1-col .post-card {
    flex-direction: row;
    align-items: stretch;
    max-width: 100%;
}

.layout-1-col .post-thumb {
    width: 40%;
    height: auto;
    min-height: 280px;
    border-bottom: none;
    border-right: 1px solid #e1e8f0;
}

.layout-1-col .post-content {
    width: 60%;
    padding: 30px;
}

.post-card {
    background: var(--white);
    border: 1px solid #e1e8f0;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.post-card:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.post-thumb {
    width: 100%;
    height: 220px;
    overflow: hidden;
    border-bottom: 1px solid #e1e8f0;
}

.post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Content */
.post-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.post-categories {
    color: var(--primary-blue);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.post-title {
    font-size: 18px;
    line-height: 1.5;
    font-weight: 700;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-title a {
    color: var(--dark-blue);
    text-decoration: none;
}

.post-excerpt {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Header News Wrapper */
.section-header-wrapper {
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding-bottom: 15px;
}

.section-header-wrapper .section-title {
    text-align: center;
    width: 100%;
    margin: 0;
}

.view-all-link {
  display: flex;
  justify-content: end;
}

/* Link xem tất cả */
.view-all-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.view-all-link:hover {
    gap: 12px;
    color: var(--dark-blue);
}

.view-all-link i {
    font-size: 18px;
}

.ebook-button-wrapper {
    margin-top: auto;
    padding-top: 20px;
}

.btn-ebook-download {
    display: block;
    width: 100%;
    text-align: center;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 12px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
}

.btn-ebook-download:hover {
    background-color: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
    
    /* Events Section */
.event-hero {
    height: 50vh;
    min-height: 500px;
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
}

.hero-content { max-width: 900px; margin: 0 auto; padding: 0 20px;}

.event-label { 
    background: #ff4757; padding: 6px 18px; border-radius: 50px; 
    font-size: 13px; text-transform: uppercase; font-weight: bold;
}
.event-label.past { background: #666 !important; }

.hero-title { font-size: 48px; margin: 20px 0 15px; line-height: 1.2; text-shadow: 2px 2px 10px rgba(0,0,0,0.5); }

.hero-meta-info {
    margin-bottom: 30px;
    font-size: 18px;
    display: flex;
    justify-content: center;
    gap: 25px;
}

.meta-item { min-width: 130px; text-align: left;}
.meta-item i { margin-right: 8px; color: var(--primary-blue); }

.btn-hero-register {
    display: inline-block; padding: 15px 40px; background: var(--primary-blue); color: var(--white);
    border-radius: 50px; font-weight: bold; text-decoration: none; font-size: 17px;
    transition: 0.3s ease; box-shadow: 0 5px 20px rgba(0,115,170,0.4);
}
.btn-hero-register:hover { background: var(--dark-blue); transform: translateY(-3px); }
    
    /* Zalo CTA Section */
    .zalo-cta-section {
      background: var(--dark-blue);
      color: white;
      text-align: center;
    }
    
    .zalo-cta-section h2 {
      font-size: 42px;
      margin-bottom: 28px;
      font-weight: 800;
    }
    
    .zalo-cta-section .subtext {
      font-size: 18px;
      margin-bottom: 44px;
      opacity: 0.95;
      line-height: 1.7;
    }
    
    .zalo-content-wrapper {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      margin-top: 40px;
      flex-direction: column;
    }
    
    .qr-code-box {
      background: white;
      padding: 24px;
      border-radius: 20px;
      box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    }
    
    .qr-code {
      width: 160px;
      height: 160px;
      background: #f0f0f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 80px;
      border-radius: 12px;
    }

    .qr-code img {
      width: 160px;
      height: 160px;
    }
    
    .qr-label {
      margin-top: 12px;
      font-size: 14px;
      font-weight: 700;
      color: var(--dark-blue);
    }
    
    .zalo-cta-btn {
      background: white;
      color: #0068FF;
      padding: 18px 40px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: 700;
      font-size: 16px;
      display: inline-flex;
      align-items: center;
      gap: 12px;
      transition: all 0.2s;
      box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    }
    
    .zalo-cta-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    }
    
    .zalo-icon {
      font-size: 28px;
    }

    section {
      position: relative;
    }

    section::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 60%;
      height: 1px;
      background: linear-gradient(
        to right,
        transparent,
        rgba(0,0,0,0.08),
        transparent
      );
    }
    
    /* Responsive */
    @media (max-width: 1024px) {
      .hero h1 { font-size: 36px; }
    }
    
    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .hero { padding: 60px 20px; }
      .hero h1 { margin-bottom: 2px !important;}
      .hero .subtext { margin: 0 0 2px; text-align: justify;}
      .search-bar { padding: 12px 20px 12px 50px;}
      .article-grid { gap: 12px; grid-template-columns: repeat(2, 1fr);} 
      .news-grid, .news-grid.layout-2-col, .news-grid.layout-3-col { grid-template-columns: 1fr; gap: 12px;}
      .layout-1-col .post-card {
          flex-direction: column !important;
      }

      .layout-1-col .post-thumb {
          width: 100% !important;
          height: 200px !important;
          min-height: auto !important;
          border-right: none !important;
          border-bottom: 1px solid #e1e8f0 !important;
      }

      .layout-1-col .post-content {
          width: 100% !important;
          padding: 20px !important;
      }
      .section-header-wrapper { margin-bottom: 20px; padding-bottom: 10px;}
      .news-events-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .lead-magnet-grid { 
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .lead-card,
      .article-card {
        padding: 18px 20px;
      }
      .lead-card .icon { font-size: 32px; margin-bottom: 12px; display: flex; justify-content: center;}
      .lead-card h3 { text-align: center;}
      .lead-card .cta-btn { display: flex; justify-content: center;}
      .tabs-container { justify-content: flex-start; margin-bottom: 20px;}
      .tab-btn { padding: 10px 20px;}
      .article-thumbnail { height: 120px; font-size: 38px;}
      .article-tag { top: 6px; left: 6px; padding: 4px 6px;}
      .article-content { padding: 10px 0 0;}
      .news-item { padding: 10px 18px;}
      .news-column h3 { margin-bottom: 16px;}
      .webinar-card { padding: 20px;}
      .webinar-card .icon { margin-bottom: 12px; font-size: 46px;}
      .countdown { margin: 12px 0 0;}
      .countdown-item { padding: 12px;}
      .countdown-item .number { font-size: 28px;}
      .zalo-content-wrapper { flex-direction: column; margin-top: 16px;}
      .zalo-cta-section h2 { margin-bottom: 12px;}
      .zalo-cta-section .subtext { margin-bottom: 0;}
      .qr-code { width: 80px; height: 80px; font-size: 40px;}
      .qr-code-box { padding: 16px;}
      .zalo-cta-btn { padding: 10px 30px;}
      .tabs-container::-webkit-scrollbar { display: none;}
      .qr-code img { width: 90px; height: 90px;}
      .qr-code-box { padding: 10px;}
      .qr-label { margin-top: 6px;}
      .hero-title { font-size: 26px;}
      .hero-meta-info { flex-direction: column;}
      .btn-hero-register { padding: 8px 20px; max-width: fit-content; margin: 0 auto;}
      .event-label { max-width: fit-content; margin: 0 auto;}
    }