.page-doi-tac-lien-ket__hero-section { position: relative; padding-top: 10px; text-align: center; color: #ffffff; overflow: hidden; }
.page-doi-tac-lien-ket__hero-image-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; }
.page-doi-tac-lien-ket__hero-image { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.7); }
.page-doi-tac-lien-ket__hero-content { position: relative; padding: 60px 20px; max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 400px; }
.page-doi-tac-lien-ket__main-title { font-size: 3.2em; font-weight: 700; line-height: 1.2; margin-bottom: 20px; max-width: 800px; }
.page-doi-tac-lien-ket__hero-description { font-size: 1.2em; line-height: 1.6; margin-bottom: 30px; max-width: 700px; }
.page-doi-tac-lien-ket__cta-button { display: inline-block; padding: 15px 30px; border-radius: 8px; background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #ffffff; text-decoration: none; font-weight: 600; font-size: 1.1em; transition: all 0.3s ease; border: none; cursor: pointer; }
.page-doi-tac-lien-ket__cta-button:hover { transform: translateY(-3px); box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2); }

.page-doi-tac-lien-ket__container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }
.page-doi-tac-lien-ket__section-title { font-size: 2.5em; font-weight: 700; color: #E53935; text-align: center; margin-bottom: 40px; position: relative; padding-bottom: 15px; }
.page-doi-tac-lien-ket__section-title::after { content: ''; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 80px; height: 4px; background: #FF5A4F; border-radius: 2px; }
.page-doi-tac-lien-ket__text-block { font-size: 1.1em; line-height: 1.8; color: #333333; text-align: justify; margin-bottom: 20px; }

.page-doi-tac-lien-ket__intro-section, .page-doi-tac-lien-ket__benefits-section { background-color: #F5F7FA; padding: 60px 0; }

.page-doi-tac-lien-ket__partner-categories { padding: 60px 0; }
.page-doi-tac-lien-ket__category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.page-doi-tac-lien-ket__category-card { background: #FFFFFF; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); text-align: center; padding-bottom: 20px; transition: transform 0.3s ease; }
.page-doi-tac-lien-ket__category-card:hover { transform: translateY(-5px); }
.page-doi-tac-lien-ket__category-image { width: 100%; height: 250px; object-fit: cover; margin-bottom: 20px; }
.page-doi-tac-lien-ket__card-title { font-size: 1.5em; font-weight: 600; color: #E53935; margin-bottom: 15px; padding: 0 15px; }
.page-doi-tac-lien-ket__card-description { font-size: 1em; line-height: 1.6; color: #333333; padding: 0 15px; }

.page-doi-tac-lien-ket__featured-partners { padding: 60px 0; background: #E53935; color: #ffffff; }
.page-doi-tac-lien-ket__featured-partners .page-doi-tac-lien-ket__section-title { color: #ffffff; }
.page-doi-tac-lien-ket__featured-partners .page-doi-tac-lien-ket__section-title::after { background: #FF5A4F; }
.page-doi-tac-lien-ket__featured-partners .page-doi-tac-lien-ket__text-block { color: #f0f0f0; }
.page-doi-tac-lien-ket__partner-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; margin-top: 40px; }
.page-doi-tac-lien-ket__partner-item { background: rgba(255, 255, 255, 0.1); border-radius: 10px; padding: 30px; text-align: center; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); }
.page-doi-tac-lien-ket__partner-logo { width: 120px; height: 120px; object-fit: contain; margin-bottom: 20px; border-radius: 50%; background-color: #ffffff; padding: 10px; }
.page-doi-tac-lien-ket__partner-name { font-size: 1.4em; font-weight: 600; color: #ffffff; margin-bottom: 10px; }
.page-doi-tac-lien-ket__partner-description { font-size: 0.95em; line-height: 1.6; color: #f0f0f0; }

.page-doi-tac-lien-ket__benefits-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; margin-top: 40px; }
.page-doi-tac-lien-ket__benefit-item { background: #FFFFFF; border-radius: 10px; padding: 30px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08); text-align: center; }
.page-doi-tac-lien-ket__benefit-title { font-size: 1.4em; font-weight: 600; color: #E53935; margin-bottom: 15px; }
.page-doi-tac-lien-ket__benefit-description { font-size: 1em; line-height: 1.6; color: #333333; }

.page-doi-tac-lien-ket__join-us-section { padding: 80px 0; text-align: center; background: #E53935; color: #ffffff; }
.page-doi-tac-lien-ket__join-us-section .page-doi-tac-lien-ket__section-title { color: #ffffff; margin-bottom: 20px; }
.page-doi-tac-lien-ket__join-us-section .page-doi-tac-lien-ket__section-title::after { background: #FF5A4F; }
.page-doi-tac-lien-ket__join-us-section .page-doi-tac-lien-ket__text-block { color: #f0f0f0; margin-bottom: 40px; max-width: 800px; margin-left: auto; margin-right: auto; }

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-doi-tac-lien-ket__main-title { font-size: 2.8em; }
  .page-doi-tac-lien-ket__hero-description { font-size: 1.1em; }
  .page-doi-tac-lien-ket__section-title { font-size: 2em; }
}

@media (max-width: 768px) {
  .page-doi-tac-lien-ket__hero-content { padding: 40px 15px; min-height: 300px; }
  .page-doi-tac-lien-ket__main-title { font-size: 2.2em; max-width: 100%; }
  .page-doi-tac-lien-ket__hero-description { font-size: 1em; max-width: 100%; }
  .page-doi-tac-lien-ket__cta-button { padding: 12px 25px; font-size: 1em; max-width: 100% !important; width: 100% !important; box-sizing: border-box !important; white-space: normal !important; word-wrap: break-word !important; margin: 0 auto; }
  
  .page-doi-tac-lien-ket__container { padding: 30px 15px; }
  .page-doi-tac-lien-ket__section-title { font-size: 1.8em; margin-bottom: 30px; }
  .page-doi-tac-lien-ket__text-block { font-size: 0.95em; }

  .page-doi-tac-lien-ket__category-grid, .page-doi-tac-lien-ket__partner-list, .page-doi-tac-lien-ket__benefits-list { grid-template-columns: 1fr; gap: 20px; }
  .page-doi-tac-lien-ket__category-image { height: 200px; }
  .page-doi-tac-lien-ket__card-title, .page-doi-tac-lien-ket__partner-name, .page-doi-tac-lien-ket__benefit-title { font-size: 1.3em; }
  .page-doi-tac-lien-ket__partner-logo { width: 100px; height: 100px; }

  .page-doi-tac-lien-ket__intro-section, .page-doi-tac-lien-ket__benefits-section, .page-doi-tac-lien-ket__partner-categories, .page-doi-tac-lien-ket__featured-partners, .page-doi-tac-lien-ket__join-us-section { padding: 40px 0; }

  /* General image and container responsiveness */
  .page-doi-tac-lien-ket img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-doi-tac-lien-ket__hero-section, .page-doi-tac-lien-ket__intro-section, .page-doi-tac-lien-ket__partner-categories, .page-doi-tac-lien-ket__featured-partners, .page-doi-tac-lien-ket__benefits-section, .page-doi-tac-lien-ket__join-us-section, .page-doi-tac-lien-ket__container, .page-doi-tac-lien-ket__category-card, .page-doi-tac-lien-ket__partner-item, .page-doi-tac-lien-ket__benefit-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-doi-tac-lien-ket__cta-buttons, .page-doi-tac-lien-ket__button-group, .page-doi-tac-lien-ket__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    display: flex;
    flex-direction: column; 
  }
}