.page-blog-soi-cau-xo-so-phuong-phap { color: #1F2D3D; background-color: #F4F7FB; font-family: 'Segoe UI', Roboto, Arial, sans-serif; line-height: 1.7; }
.page-blog-soi-cau-xo-so-phuong-phap__hero-section { padding: 0; margin: 0; width: 100%; background-color: #F4F7FB; }
.page-blog-soi-cau-xo-so-phuong-phap__hero-inner { max-width: 1200px; margin: 0 auto; padding: 10px 16px 0; display: flex; flex-direction: column; width: 100%; }
.page-blog-soi-cau-xo-so-phuong-phap__hero-image { width: 100%; margin: 0 0 24px; }
.page-blog-soi-cau-xo-so-phuong-phap__image { width: 100%; height: auto; display: block; border-radius: 12px; box-shadow: 0 4px 18px rgba(47, 107, 255, 0.15); }
.page-blog-soi-cau-xo-so-phuong-phap__hero-content { width: 100%; padding: 0 0 24px; text-align: center; }
.page-blog-soi-cau-xo-so-phuong-phap__main-title { color: #2F6BFF; font-weight: 700; line-height: 1.25; letter-spacing: 0.5px; margin: 0 auto 16px; max-width: 800px; }
.page-blog-soi-cau-xo-so-phuong-phap__hero-desc { color: #1F2D3D; font-size: 1.05rem; max-width: 780px; margin: 0 auto 20px; }
.page-blog-soi-cau-xo-so-phuong-phap__cta-group { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; width: 100%; max-width: 100%; box-sizing: border-box; }
.page-blog-soi-cau-xo-so-phuong-phap__btn-primary, .page-blog-soi-cau-xo-so-phuong-phap__btn-secondary { display: inline-block; padding: 12px 24px; border-radius: 8px; font-weight: 600; text-decoration: none; text-align: center; box-sizing: border-box; transition: opacity 0.2s ease; }
.page-blog-soi-cau-xo-so-phuong-phap__btn-primary { background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #FFFFFF; border: 1px solid #2F6BFF; }
.page-blog-soi-cau-xo-so-phuong-phap__btn-secondary { background-color: #FFFFFF; color: #2F6BFF; border: 1px solid #D6E2FF; }
.page-blog-soi-cau-xo-so-phuong-phap__btn-primary:hover, .page-blog-soi-cau-xo-so-phuong-phap__btn-secondary:hover { opacity: 0.9; }
.page-blog-soi-cau-xo-so-phuong-phap__intro-section, .page-blog-soi-cau-xo-so-phuong-phap__methods-section, .page-blog-soi-cau-xo-so-phuong-phap__tracking-section, .page-blog-soi-cau-xo-so-phuong-phap__notes-section, .page-blog-soi-cau-xo-so-phuong-phap__promo-section, .page-blog-soi-cau-xo-so-phuong-phap__closing-section { max-width: 900px; margin: 0 auto 24px; padding: 24px 16px; background-color: #FFFFFF; border-radius: 12px; border: 1px solid #D6E2FF; box-sizing: border-box; }
.page-blog-soi-cau-xo-so-phuong-phap__section-title { color: #2F6BFF; font-size: 1.5rem; font-weight: 700; margin: 0 0 16px; line-height: 1.35; }
.page-blog-soi-cau-xo-so-phuong-phap__sub-title { color: #1F2D3D; font-size: 1.15rem; font-weight: 700; margin: 20px 0 10px; }
.page-blog-soi-cau-xo-so-phuong-phap__intro-section p, .page-blog-soi-cau-xo-so-phuong-phap__methods-section p, .page-blog-soi-cau-xo-so-phuong-phap__tracking-section p, .page-blog-soi-cau-xo-so-phuong-phap__notes-section p, .page-blog-soi-cau-xo-so-phuong-phap__promo-section p, .page-blog-soi-cau-xo-so-phuong-phap__closing-section p { margin: 0 0 14px; }
.page-blog-soi-cau-xo-so-phuong-phap__list { padding-left: 1.25em; margin: 0 0 16px; line-height: 1.7; }
.page-blog-soi-cau-xo-so-phuong-phap__list li { margin-bottom: 8px; }
.page-blog-soi-cau-xo-so-phuong-phap__link { color: #2F6BFF; text-decoration: underline; font-weight: 600; }
.page-blog-soi-cau-xo-so-phuong-phap__link:hover { color: #4A8BFF; }
.page-blog-soi-cau-xo-so-phuong-phap__note-box { background-color: #F4F7FB; border-left: 4px solid #2F6BFF; padding: 14px 16px; border-radius: 8px; margin-top: 8px; }
.page-blog-soi-cau-xo-so-phuong-phap__note-box p { margin: 0; }
@media (max-width: 768px) {
  .page-blog-soi-cau-xo-so-phuong-phap { max-width: 100%; overflow-x: hidden; }
  .page-blog-soi-cau-xo-so-phuong-phap__hero-inner { padding: 10px 12px 0; }
  .page-blog-soi-cau-xo-so-phuong-phap__main-title { font-size: 1.25rem; }
  .page-blog-soi-cau-xo-so-phuong-phap__hero-desc { font-size: 0.98rem; }
  .page-blog-soi-cau-xo-so-phuong-phap__intro-section, .page-blog-soi-cau-xo-so-phuong-phap__methods-section, .page-blog-soi-cau-xo-so-phuong-phap__tracking-section, .page-blog-soi-cau-xo-so-phuong-phap__notes-section, .page-blog-soi-cau-xo-so-phuong-phap__promo-section, .page-blog-soi-cau-xo-so-phuong-phap__closing-section { padding: 18px 12px; margin-bottom: 18px; }
  .page-blog-soi-cau-xo-so-phuong-phap__section-title { font-size: 1.25rem; }
  .page-blog-soi-cau-xo-so-phuong-phap__sub-title { font-size: 1.05rem; }
  .page-blog-soi-cau-xo-so-phuong-phap__btn-primary, .page-blog-soi-cau-xo-so-phuong-phap__btn-secondary { width: 100%; max-width: 100%; white-space: normal; word-wrap: break-word; padding: 12px 16px; }
  .page-blog-soi-cau-xo-so-phuong-phap__cta-group { flex-direction: column; align-items: stretch; }
  .page-blog-soi-cau-xo-so-phuong-phap img { max-width: 100% !important; height: auto !important; }
}