.page-blog-bi-kip-soi-keo-da-ga { font-family: Arial, sans-serif; color: #1F2D3D; background-color: #F4F7FB; }
.page-blog-bi-kip-soi-keo-da-ga a { color: #2F6BFF; text-decoration: none; }
.page-blog-bi-kip-soi-keo-da-ga__hero-section { display: flex; flex-direction: column; align-items: center; padding: 10px 20px 20px; }
.page-blog-bi-kip-soi-keo-da-ga__hero-image { width: 100%; height: auto; max-width: 1200px; aspect-ratio: 16/7; object-fit: cover; border-radius: 12px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); }
.page-blog-bi-kip-soi-keo-da-ga__hero-image-wrap { width: 100%; display: flex; justify-content: center; }
.page-blog-bi-kip-soi-keo-da-ga__hero-content { text-align: center; max-width: 800px; margin: 20px auto 0; }
.page-blog-bi-kip-soi-keo-da-ga__hero-content h1 { color: #1F2D3D; font-weight: 800; line-height: 1.3; margin: 0 0 10px; }
.page-blog-bi-kip-soi-keo-da-ga__hero-content p { font-size: 1.1rem; margin: 0; }
.page-blog-bi-kip-soi-keo-da-ga__intro-section { max-width: 800px; margin: 0 auto; padding: 20px; font-size: 1rem; line-height: 1.7; }
.page-blog-bi-kip-soi-keo-da-ga__button-wrapper { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 20px auto; max-width: 650px; }
.page-blog-bi-kip-soi-keo-da-ga__btn-cta { display: inline-block; padding: 12px 28px; border-radius: 50px; font-weight: 700; text-align: center; border: none; cursor: pointer; font-size: 1rem; transition: transform 0.2s, box-shadow 0.2s; line-height: 1.4; }
.page-blog-bi-kip-soi-keo-da-ga__btn-cta--primary { background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #ffffff; box-shadow: 0 4px 10px rgba(47, 107, 255, 0.3); }
.page-blog-bi-kip-soi-keo-da-ga__btn-cta--primary:hover { transform: translateY(-2px); box-shadow: 0 6px 15px rgba(47, 107, 255, 0.4); }
.page-blog-bi-kip-soi-keo-da-ga__btn-cta--secondary { background: #ffffff; color: #2F6BFF; border: 2px solid #2F6BFF; }
.page-blog-bi-kip-soi-keo-da-ga__guide-section { background-color: #FFFFFF; padding: 20px 20px 40px; border-top: 1px solid #D6E2FF; }
.page-blog-bi-kip-soi-keo-da-ga__guide-section h2 { font-size: 2rem; text-align: center; color: #2F6BFF; margin: 20px 0 10px; }
.page-blog-bi-kip-soi-keo-da-ga__guide-section>p { text-align: center; max-width: 800px; margin: 0 auto; color: #1F2D3D; line-height: 1.7; }
.page-blog-bi-kip-soi-keo-da-ga__guide-inner { max-width: 850px; margin: 30px auto 0; }
.page-blog-bi-kip-soi-keo-da-ga__guide-inner h3 { font-size: 1.4rem; color: #1F2D3D; margin-top: 30px; }
.page-blog-bi-kip-soi-keo-da-ga__guide-figure img { width: 100%; max-width: 800px; height: auto; aspect-ratio: 2/1; object-fit: cover; border-radius: 8px; margin: 10px auto; display: block; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); }
.page-blog-bi-kip-soi-keo-da-ga__guide-inner p { line-height: 1.7; margin: 10px 0; }
.page-blog-bi-kip-soi-keo-da-ga__btn-wrapper { text-align: center; margin: 25px 0; }
.page-blog-bi-kip-soi-keo-da-ga__faq-section { padding: 40px 20px; max-width: 850px; margin: 0 auto; }
.page-blog-bi-kip-soi-keo-da-ga__faq-section summary { font-weight: 700; color: #1F2D3D; font-size: 1.1rem; padding: 10px; background: #FFFFFF; border-radius: 8px; border: 1px solid #D6E2FF; cursor: pointer; list-style-position: inside; }
.page-blog-bi-kip-soi-keo-da-ga__faq-section details { margin-bottom: 15px; background: #FFFFFF; border-radius: 8px; border: 1px solid #D6E2FF; overflow: hidden; }
.page-blog-bi-kip-soi-keo-da-ga__faq-section details[open] summary { background: #2F6BFF; color: #fff; border-radius: 8px 8px 0 0; border-bottom: 1px solid #2F6BFF; }
.page-blog-bi-kip-soi-keo-da-ga__faq-section p { padding: 15px; line-height: 1.6; color: #1F2D3D; }
.page-blog-bi-kip-soi-keo-da-ga__related-section { background: #fff; padding: 40px 20px; }
.page-blog-bi-kip-soi-keo-da-ga__related-section h2 { text-align: center; color: #2F6BFF; }
.page-blog-bi-kip-soi-keo-da-ga__related-section ul { list-style: none; padding: 0; text-align: center; }
.page-blog-bi-kip-soi-keo-da-ga__related-section li { margin: 10px 0; }
.page-blog-bi-kip-soi-keo-da-ga__related-section a { font-weight: bold; }
@media (max-width: 768px) {
    .page-blog-bi-kip-soi-keo-da-ga__hero-image { aspect-ratio: 4/3; }
    .page-blog-bi-kip-soi-keo-da-ga__hero-section { padding: 10px 10px 20px; }
    .page-blog-bi-kip-soi-keo-da-ga__btn-cta { white-space: normal; }
    .page-blog-bi-kip-soi-keo-da-ga__btn-cta { display: block; width: 100%; box-sizing: border-box; }
    .page-blog-bi-kip-soi-keo-da-ga__guide-section h2 { font-size: 1.8rem; }
    .page-blog-bi-kip-soi-keo-da-ga__guide-figure img { max-width: 100%; }
    .page-blog-bi-kip-soi-keo-da-ga img { max-width: 100%; height: auto !important; }
    .page-blog-bi-kip-soi-keo-da-ga { overflow-x: hidden; }
}