.page-blog-cach-tham-gia { color: #333333; max-width: 100%; overflow-x: hidden; }
.page-blog-cach-tham-gia__hero-section { display: flex; flex-direction: column; align-items: center; padding: 10px 16px 32px; }
.page-blog-cach-tham-gia__hero-image { width: 100%; max-width: 1200px; }
.page-blog-cach-tham-gia__hero-image img { width: 100%; height: auto; aspect-ratio: 17/5; object-fit: cover; border-radius: 12px; display: block; }
.page-blog-cach-tham-gia__hero-content { text-align: center; padding: 24px 12px 0; max-width: 900px; }
.page-blog-cach-tham-gia__main-title { color: #017439; font-weight: 800; line-height: 1.3; letter-spacing: 0; max-width: 820px; margin: 0 auto 12px; }
.page-blog-cach-tham-gia__hero-desc { font-size: 1.05rem; line-height: 1.6; max-width: 740px; margin: 0 auto 20px; color: #333333; }
.page-blog-cach-tham-gia__hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; max-width: 100%; overflow: hidden; }
.page-blog-cach-tham-gia__btn-register, .page-blog-cach-tham-gia__btn-login, .page-blog-cach-tham-gia__btn-download, .page-blog-cach-tham-gia__btn-play { display: inline-block; padding: 12px 28px; border-radius: 50px; font-weight: 700; text-decoration: none; box-sizing: border-box; max-width: 100%; white-space: normal; word-wrap: break-word; border: none; cursor: pointer; transition: opacity 0.2s ease; }
.page-blog-cach-tham-gia__btn-register { background: #C30808; color: #FFFF00; }
.page-blog-cach-tham-gia__btn-login { background: #C30808; color: #FFFF00; }
.page-blog-cach-tham-gia__btn-download { background: #017439; color: #ffffff; }
.page-blog-cach-tham-gia__btn-play { background: #017439; color: #ffffff; }
.page-blog-cach-tham-gia__btn-register:hover, .page-blog-cach-tham-gia__btn-login:hover, .page-blog-cach-tham-gia__btn-download:hover, .page-blog-cach-tham-gia__btn-play:hover { opacity: 0.85; }
.page-blog-cach-tham-gia__guide-section { padding: 48px 16px; background: #f5f5f5; }
.page-blog-cach-tham-gia__guide-title, .page-blog-cach-tham-gia__faq-title { text-align: center; color: #017439; font-weight: 800; margin: 0 0 12px; }
.page-blog-cach-tham-gia__guide-intro { text-align: center; max-width: 800px; margin: 0 auto 32px; line-height: 1.7; }
.page-blog-cach-tham-gia__guide-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; max-width: 1100px; margin: 0 auto; }
.page-blog-cach-tham-gia__step-card { background: #ffffff; border-radius: 16px; padding: 20px; box-shadow: 0 4px 16px rgba(0,0,0,0.08); display: flex; flex-direction: column; }
.page-blog-cach-tham-gia__guide-figure { margin: 0 0 16px; }
.page-blog-cach-tham-gia__guide-figure img { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: 12px; display: block; }
.page-blog-cach-tham-gia__step-card h3 { color: #017439; margin: 0 0 10px; font-weight: 700; font-size: 1.2rem; }
.page-blog-cach-tham-gia__step-card p { line-height: 1.7; flex-grow: 1; color: #333333; }
.page-blog-cach-tham-gia__step-card a { align-self: flex-start; margin-top: 16px; }
.page-blog-cach-tham-gia__faq-section { padding: 48px 16px 64px; background: #ffffff; }
.page-blog-cach-tham-gia__faq-item { border: 1px solid #ececec; border-radius: 12px; padding: 16px 20px; margin: 0 auto 16px; max-width: 800px; background: #ffffff; }
.page-blog-cach-tham-gia__faq-item summary { font-weight: 600; color: #017439; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.page-blog-cach-tham-gia__faq-item p { margin: 12px 0 0; color: #333333; line-height: 1.7; }
.page-blog-cach-tham-gia__faq-toggle { font-size: 1.4rem; font-weight: 700; color: #017439; line-height: 1; }
@media (max-width: 768px) { .page-blog-cach-tham-gia { max-width: 100%; overflow-x: hidden; } .page-blog-cach-tham-gia img { max-width: 100% !important; height: auto !important; } .page-blog-cach-tham-gia__hero-image img { aspect-ratio: 2/1; } .page-blog-cach-tham-gia__hero-section { padding: 8px 10px 24px; } .page-blog-cach-tham-gia__hero-content { padding: 16px 8px 0; } .page-blog-cach-tham-gia__hero-actions, .page-blog-cach-tham-gia__step-card a { width: 100%; max-width: 100%; } .page-blog-cach-tham-gia__btn-register, .page-blog-cach-tham-gia__btn-login, .page-blog-cach-tham-gia__btn-download, .page-blog-cach-tham-gia__btn-play { display: block; text-align: center; padding: 12px 20px; } .page-blog-cach-tham-gia__guide-steps { grid-template-columns: 1fr; gap: 20px; } .page-blog-cach-tham-gia__guide-figure img { aspect-ratio: 2/1; } }