.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua { color: #333333; background-color: #f5f7fa; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-section { padding: 10px 16px 32px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-image-wrap { margin-bottom: 20px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-image { width: 100%; max-width: 1020px; height: auto; aspect-ratio: 17/5; object-fit: cover; display: block; border-radius: 12px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-content { max-width: 800px; margin: 0 auto; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-title { font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; color: #E53935; max-width: 600px; margin: 0 0 12px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-desc { font-size: 1.1rem; color: #333333; margin-bottom: 24px; max-width: 650px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__btn { display: inline-block; padding: 12px 28px; border-radius: 999px; font-weight: 700; text-decoration: none; text-align: center; border: 2px solid transparent; transition: transform 0.2s ease, box-shadow 0.2s ease; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__btn--primary { background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #ffffff; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__btn--secondary { background: #ffffff; color: #E53935; border-color: #E53935; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__btn--outline { background: transparent; color: #333333; border-color: #E0E0E0; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__intro { max-width: 1000px; margin: 0 auto 40px; padding: 0 24px; text-align: center; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__intro p { font-size: 1.15rem; color: #333333; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__highlights { max-width: 1100px; margin: 0 auto 40px; padding: 0 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__highlight-card { background-color: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 12px; padding: 24px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__highlight-card h3 { color: #E53935; margin-bottom: 8px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__highlight-card p { color: #333333; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-section { max-width: 1000px; margin: 0 auto 40px; padding: 0 24px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-section > h2 { text-align: center; color: #E53935; margin-bottom: 8px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-section > p { text-align: center; color: #333333; margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-inner { max-width: 800px; margin: 0 auto 24px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-item { background-color: #FFFFFF; border-radius: 12px; padding: 20px 24px; margin-bottom: 16px; border: 1px solid #E0E0E0; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-item h3 { color: #E53935; margin-bottom: 8px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-item details { margin-top: 12px; border-top: 1px solid #E0E0E0; padding-top: 8px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-item summary { cursor: pointer; font-weight: 600; color: #E53935; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-item summary::-webkit-details-marker { display: none; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__cta-link { display: inline-block; margin: 0 0 0 0; padding: 14px 32px; background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #ffffff; text-decoration: none; border-radius: 999px; font-weight: 700; text-align: center; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__blog-links { max-width: 1000px; margin: 0 auto 48px; padding: 0 24px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__blog-links h2 { color: #E53935; margin-bottom: 8px; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__blog-links ul { list-style-type: none; padding: 0; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__blog-links li { padding: 8px 0; border-bottom: 1px solid #E0E0E0; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__blog-links a { color: #333333; text-decoration: none; font-weight: 600; }
.page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__blog-links a:hover { color: #E53935; text-decoration: underline; }
@media (max-width: 768px) {
  .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-section { padding: 8px 8px 24px; }
  .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-image { aspect-ratio: 2/1; border-radius: 8px; }
  .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-content { padding: 0 8px; }
  .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-title { font-size: clamp(1.5rem, 5vw, 2.2rem); }
  .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__hero-actions { flex-direction: column; align-items: stretch; }
  .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__btn { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
  .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__intro, .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__highlights, .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__guide-section, .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua__blog-links { padding-left: 16px; padding-right: 16px; }
  .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua img { max-width: 100% !important; height: auto !important; }
  .page-blog-kinh-nghiem-choi-lo-de-online-an-toan-va-hieu-qua { overflow-x: hidden; }
}