.page-index-huong-dan-tham-gia{color:#333333;background-color:#ffffff;font-family:'Segoe UI',Roboto,Arial,sans-serif;line-height:1.7;}
.page-index-huong-dan-tham-gia__hero-section{background:linear-gradient(180deg,#08162B 0%,#10233F 100%);padding-top:10px;padding-bottom:0;display:flex;flex-direction:column;align-items:center;width:100%;}
.page-index-huong-dan-tham-gia__hero-image-wrap{width:100%;max-width:1200px;margin:0 auto;box-sizing:border-box;padding:0 16px;}
.page-index-huong-dan-tham-gia__hero-image{display:block;width:100%;max-width:1200px;height:auto;border-radius:12px;object-fit:cover;box-shadow:0 8px 24px rgba(0,0,0,0.5);}
.page-index-huong-dan-tham-gia__hero-content{width:100%;max-width:1200px;margin:0 auto;padding:24px 16px 20px;box-sizing:border-box;text-align:center;}
.page-index-huong-dan-tham-gia__main-title{color:#F3F8FF;font-weight:800;line-height:1.4;letter-spacing:0.3px;max-width:900px;margin:0 auto 12px;font-size:clamp(1.5rem, 3vw, 2.2rem);text-shadow:0 2px 6px rgba(0,0,0,0.3);}
.page-index-huong-dan-tham-gia__hero-description{color:#AFC4E8;max-width:850px;margin:0 auto 22px;font-size:1.02rem;font-weight:400;}
.page-index-huong-dan-tham-gia__hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;width:100%;max-width:100%;box-sizing:border-box;overflow:hidden;}
.page-index-huong-dan-tham-gia__btn{display:inline-flex;align-items:center;justify-content:center;min-width:180px;padding:12px 30px;border-radius:999px;font-weight:700;font-size:1.05rem;line-height:1.5;text-decoration:none;transition:transform .2s ease, box-shadow .2s ease;cursor:pointer;border:2px solid transparent;box-sizing:border-box;text-align:center;white-space:normal;word-wrap:break-word;}
.page-index-huong-dan-tham-gia__btn--primary{background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#fff;border-color:#4FA8FF;box-shadow:0 4px 14px rgba(79,168,255,0.35);}
.page-index-huong-dan-tham-gia__btn--outline{background:transparent;color:#F3F8FF;border-color:#F2C14E;}
.page-index-huong-dan-tham-gia__btn--primary:hover,.page-index-huong-dan-tham-gia__btn--outline:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,0.25);}
.page-index-huong-dan-tham-gia__logo-section{background:#ffffff;padding:30px 0;}
.page-index-huong-dan-tham-gia__logo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px 18px;justify-items:center;align-items:center;max-width:1200px;margin:0 auto;padding:0 16px;box-sizing:border-box;}
.page-index-huong-dan-tham-gia__logo-item{display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:#10233F;border:1px solid #244D84;border-radius:14px;padding:16px;gap:14px;max-width:280px;width:100%;box-shadow:0 4px 14px rgba(8,22,43,0.15);box-sizing:border-box;height:100%;}
.page-index-huong-dan-tham-gia__logo-image{width:100%;max-width:260px;height:auto;aspect-ratio:2/1;object-fit:contain;border-radius:8px;background-color:#ffffff;padding:6px;box-sizing:border-box;}
.page-index-huong-dan-tham-gia__logo-cta{padding:10px 22px;border-radius:30px;background-color:#F2C14E;color:#08162B;font-weight:800;font-size:.92rem;text-decoration:none;border:1px solid transparent;transition:background-color .2s, color .2s;line-height:1.5;text-align:center;box-sizing:border-box;}
.page-index-huong-dan-tham-gia__logo-cta:hover{background-color:#2B73F6;color:#fff;}
.page-index-huong-dan-tham-gia__logo-item:nth-child(5){grid-column:2;}
.page-index-huong-dan-tham-gia__logo-item:nth-child(6){grid-column:3;}
.page-index-huong-dan-tham-gia__guide-section{background-color:#ffffff;padding-top:10px;}
.page-index-huong-dan-tham-gia__guide-inner{max-width:1000px;margin:0 auto;padding:10px 16px 48px;box-sizing:border-box;}
.page-index-huong-dan-tham-gia__guide-title,.page-index-huong-dan-tham-gia__faq-title,.page-index-huong-dan-tham-gia__meta-title{text-align:center;color:#113B7A;font-weight:800;font-size:clamp(1.34rem, 2.5vw, 2rem);line-height:1.4;margin-bottom:20px;}
.page-index-huong-dan-tham-gia__guide-intro{color:#333333;text-align:center;font-size:1.02rem;max-width:900px;margin:0 auto 26px;}
.page-index-huong-dan-tham-gia__guide-figure{margin:0 0 30px;text-align:center;}
.page-index-huong-dan-tham-gia__guide-image{width:100%;max-width:800px;height:auto;aspect-ratio:2/1;object-fit:cover;border-radius:14px;border:1px solid #244D84;box-shadow:0 6px 18px rgba(8,22,43,0.2);}
.page-index-huong-dan-tham-gia__guide-caption{color:#666;font-size:.9rem;margin-top:10px;font-style:italic;}
.page-index-huong-dan-tham-gia__guide-content{color:#333333;font-size:1rem;}
.page-index-huong-dan-tham-gia__guide-content h3{color:#1D5FD1;font-weight:700;font-size:1.28rem;margin-top:36px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid #F2C14E;}
.page-index-huong-dan-tham-gia__guide-content p{margin:0 0 16px;}
.page-index-huong-dan-tham-gia__guide-list{margin:12px 0 18px;padding-left:22px;}
.page-index-huong-dan-tham-gia__guide-list li{margin-bottom:10px;}
.page-index-huong-dan-tham-gia__guide-cta{text-align:center;margin:30px auto;}
.page-index-huong-dan-tham-gia__video-section{margin:30px 0;}
.page-index-huong-dan-tham-gia__video-container{position:relative;padding-bottom:25%;height:0;overflow:hidden;border-radius:14px;box-shadow:0 6px 18px rgba(0,0,0,0.15);}
.page-index-huong-dan-tham-gia__video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0;}
.page-index-huong-dan-tham-gia__guide-cta .page-index-huong-dan-tham-gia__btn{min-width:220px;}
.page-index-huong-dan-tham-gia__faq-section{background-color:#f8fafc;padding:26px 20px;border-radius:18px;border:1px solid #e9eef5;margin:40px 0 24px;}
.page-index-huong-dan-tham-gia__faq-item{background:#ffffff;border-radius:12px;margin-bottom:12px;padding:2px 0;border:1px solid #244D84;overflow:hidden;transition:box-shadow .2s;}
.page-index-huong-dan-tham-gia__faq-item[open]{box-shadow:0 4px 12px rgba(17,59,122,0.14);}
.page-index-huong-dan-tham-gia__faq-question{cursor:pointer;list-style:none;margin:0;padding:16px 20px;color:#F3F8FF;background:linear-gradient(135deg,#113B7A 0%,#10233F 100%);font-weight:700;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:10px;}
.page-index-huong-dan-tham-gia__faq-question::-webkit-details-marker{display:none;}
.page-index-huong-dan-tham-gia__faq-question:hover{background:linear-gradient(135deg,#1D5FD1 0%,#113B7A 100%);}
.page-index-huong-dan-tham-gia__faq-icon{flex-shrink:0;font-weight:900;color:#F2C14E;background:#08162B;border-radius:50%;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;}
.page-index-huong-dan-tham-gia__faq-answer{color:#333333;margin:0;padding:15px 20px;border-top:1px solid #e9eef5;background-color:#fcfdff;font-size:.98rem;}
.page-index-huong-dan-tham-gia__meta-info{padding:12px 0 6px;}
.page-index-huong-dan-tham-gia__meta-title{margin-bottom:16px;}
.page-index-huong-dan-tham-gia__meta-info p{color:#333333;}
@media (max-width: 1024px){
  .page-index-huong-dan-tham-gia__logo-grid{grid-template-columns:repeat(3, 1fr);gap:20px;}
  .page-index-huong-dan-tham-gia__logo-item:nth-child(5),.page-index-huong-dan-tham-gia__logo-item:nth-child(6){grid-column:auto;}
  .page-index-huong-dan-tham-gia__video-container{padding-bottom:35%;}
}
@media (max-width: 768px){
  .page-index-huong-dan-tham-gia__hero-section{padding-top:8px;}
  .page-index-huong-dan-tham-gia__hero-image{aspect-ratio:16/9;width:100%;max-width:100%;height:auto;}
  .page-index-huong-dan-tham-gia__hero-content{padding-top:18px;}
  .page-index-huong-dan-tham-gia__hero-actions{flex-direction:column;align-items:center;}
  .page-index-huong-dan-tham-gia__btn{width:100%;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word;}
  .page-index-huong-dan-tham-gia__logo-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .page-index-huong-dan-tham-gia__logo-item:nth-child(5),.page-index-huong-dan-tham-gia__logo-item:nth-child(6){grid-column:auto;}
  .page-index-huong-dan-tham-gia__guide-inner{padding-bottom:36px;}
  .page-index-huong-dan-tham-gia__guide-title{font-size:1.3rem;line-height:1.4;}
  .page-index-huong-dan-tham-gia__guide-title, .page-index-huong-dan-tham-gia__guide-figure{width:100%;}
  .page-index-huong-dan-tham-gia__guide-figure{padding:0 5px;box-sizing:border-box;}
  .page-index-huong-dan-tham-gia__guide-content h3{font-size:1.12rem;}
  .page-index-huong-dan-tham-gia__video-container, .page-index-huong-dan-tham-gia img{max-width:100% !important; height:auto !important;}
  .page-index-huong-dan-tham-gia__video-container{padding-bottom:56%;}
  .page-index-huong-dan-tham-gia img{max-width:100% !important; height:auto !important;}
  .page-index-huong-dan-tham-gia{overflow-x:hidden;max-width:100%;}
}