.page-blog-chien-thuat-choi-tai-xiu { color: #F3F8FF; }
.page-blog-chien-thuat-choi-tai-xiu__cta-button,
.page-blog-chien-thuat-choi-tai-xiu__register-button {
    background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    color: #F3F8FF;
    border: none;
}
.page-blog-chien-thuat-choi-tai-xiu__hero-section {
    padding: 10px 16px 20px; 
    max-width: 1200px;
    margin: 0 auto;
}
.page-blog-chien-thuat-choi-tai-xiu__hero-image-wrapper {
    margin-bottom: 20px;
}
.page-blog-chien-thuat-choi-tai-xiu__hero-image {
    width: 100%; 
    height: auto;
    aspect-ratio: 17 / 5;
    object-fit: cover;
    border-radius: 12px;
    display: block;
}
.page-blog-chien-thuat-choi-tai-xiu__hero-content {
    text-align: center;
    padding: 0 16px;
}
.page-blog-chien-thuat-choi-tai-xiu__hero-title {
    color: #F3F8FF;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 0.3px;
    margin: 0 0 12px;
    max-width: 800px;
}
.page-blog-chien-thuat-choi-tai-xiu__hero-description {
    color: #AFC4E8;
    margin: 0 auto 20px;
    max-width: 800px;
    line-height: 1.7;
}
.page-blog-chien-thuat-choi-tai-xiu__cta-button,
.page-blog-chien-thuat-choi-tai-xiu__register-button {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    color: #ffffff;
    transition: transform .2s ease, box-shadow .2s ease;
}
.page-blog-chien-thuat-choi-tai-xiu__cta-button:hover,
.page-blog-chien-thuat-choi-tai-xiu__register-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79,168,255,0.3);
}
.page-blog-chien-thuat-choi-tai-xiu__intro-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 16px;
    border-top: 1px solid #244D84;
    border-bottom: 1px solid #244D84;
}
.page-blog-chien-thuat-choi-tai-xiu__intro-text {
    font-size: 16px;
    line-height: 1.8;
    color: #AFC4E8;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}
.page-blog-chien-thuat-choi-tai-xiu section {
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
}
.page-blog-chien-thuat-choi-tai-xiu h1, .page-blog-chien-thuat-choi-tai-xiu h2, h3 {
    font-weight: 700;
    line-height: 1.4;
}
.page-blog-chien-thuat-choi-tai-xiu h2 {
    color: #F3F8FF;
    font-size: 1.8rem;
    margin: 40px 0 20px;
    border-left: 4px solid #4FA8FF;
    padding-left: 12px;
}
.page-blog-chien-thuat-choi-tai-xiu h3 {
    color: #F3F8FF;
    margin-top: 24px;
}
.page-blog-chien-thuat-choi-tai-xiu p, .page-blog-chien-thuat-choi-tai-xiu li, .page-blog-chien-thuat-choi-tai-xiu summary {
    color: #AFC4E8;
    line-height: 1.7;
}
.page-blog-chien-thuat-choi-tai-xiu a {
    color: #4FA8FF;
    text-decoration: none;
}
.page-blog-chien-thuat-choi-tai-xiu a:hover {
    text-decoration: underline;
}
.page-blog-chien-thuat-choi-tai-xiu__guide-section,
.page-blog-chien-thuat-choi-tai-xiu__strategy-section,
.page-blog-chien-thuat-choi-tai-xiu__psychology-section,
.page-blog-chien-thuat-choi-tai-xiu__selection-section,
.page-blog-chien-thuat-choi-tai-xiu__tips-section,
.page-blog-chien-thuat-choi-tai-xiu__faq-section {
    padding: 30px 16px;
    background: #08162B;
    border: 1px solid #244D84;
    border-radius: 12px;
    margin-bottom: 40px;
}
.page-blog-chien-thuat-choi-tai-xiu__guide-inner {
    max-width: 100%;
}
.page-blog-chien-thuat-choi-tai-xiu__guide-title {
    color: #F3F8FF;
}
.page-blog-chien-thuat-choi-tai-xiu__guide-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 20px 0;
}
.page-blog-chien-thuat-choi-tai-xiu__guide-item {
    border: 1px solid #244D84;
    border-radius: 8px;
    padding: 20px;
}
.page-blog-chien-thuat-choi-tai-xiu__guide-item h3 {
    margin-top: 0;
    color: #F2C14E;
}
.page-blog-chien-thuat-choi-tai-xiu__strategy-block {
    background: #10233F;
    border-radius: 8px;
    padding: 20px;
}
.page-blog-chien-thuat-choi-tai-xiu__strategy-visual {
    margin: 20px 0;
    text-align: center;
}
.page-blog-chien-thuat-choi-tai-xiu__strategy-visual img {
    max-width: 100%;
    border-radius: 8px;
}
.page-blog-chien-thuat-choi-tai-xiu__psychology-tip {
    margin: 20px 0;
    padding: 16px;
    background: #10233F;
    border-radius: 8px;
}
.page-blog-chien-thuat-choi-tai-xiu__selection-section {
    background: #08162B;
}
.page-blog-chien-thuat-choi-tai-xiu__comparison-table {
    display: flex;
    flex-direction: column;
    border: 1px solid #244D84;
    border-radius: 8px;
    gap: 0;
    margin: 16px 0;
}
.page-blog-chien-thuat-choi-tai-xiu__comparison-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid #1B3357;
}
.page-blog-chien-thuat-choi-tai-xiu__comparison-row:last-child {
    border-bottom: none;
}
.page-blog-chien-thuat-choi-tai-xiu__comparison-header {
    font-weight: 600;
    background: #10233F;
    color: #F2C14E;
}
.page-blog-chien-thuat-choi-tai-xiu__tips-list {
    padding-left: 20px;
}
.page-blog-chien-thuat-choi-tai-xiu__tips-list li {
    margin-bottom: 12px;
}
.page-blog-chien-thuat-choi-tai-xiu__faq-item {
    margin-bottom: 16px;
}
.page-blog-chien-thuat-choi-tai-xiu__faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #10233F;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #244D84;
}
.page-blog-chien-thuat-choi-tai-xiu__faq-item summary h3 {
    margin: 0;
    color: #F3F8FF;
}
.page-blog-chien-thuat-choi-tai-xiu__faq-toggle {
    font-size: 1.2rem;
    font-weight: 700;
    color: #F2C14E;
}
.page-blog-chien-thuat-choi-tai-xiu__faq-item p {
    padding: 16px;
    margin-top: 8px;
    background: #08162B;
    border-radius: 8px;
    border: 1px solid #1B3357;
}
.page-blog-chien-thuat-choi-tai-xiu__cta-block {
    text-align: center;
    margin-top: 40px;
    padding: 30px;
    border-radius: 12px;
    background: radial-gradient(circle at center, #1D5FD1 0%, #113B7A 100%);
}
.page-blog-chien-thuat-choi-tai-xiu__cta-block p {
    color: #ffffff;
    font-size: 1.1rem;
}
@media (max-width: 768px) {
    .page-blog-chien-thuat-choi-tai-xiu__hero-section { padding-top: 10px; }
    .page-blog-chien-thuat-choi-tai-xiu__hero-image { aspect-ratio: 2/1; }
    .page-blog-chien-thuat-choi-tai-xiu__hero-title { font-size: 1.5rem; }
    .page-blog-chien-thuat-choi-tai-xiu__guide-list { grid-template-columns: 1fr; }
    .page-blog-chien-thuat-choi-tai-xiu__comparison-table { overflow-x: auto; }
    .page-blog-chien-thuat-choi-tai-xiu__comparison-row { grid-template-columns: 1fr; gap: 4px; }
    .page-blog-chien-thuat-choi-tai-xiu img { max-width: 100% !important; height: auto !important; }
    .page-blog-chien-thuat-choi-tai-xiu__cta-button, .page-blog-chien-thuat-choi-tai-xiu__register-button { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
    .page-blog-chien-thuat-choi-tai-xiu__cta-block, .page-blog-chien-thuat-choi-tai-xiu__hero-actions { width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }
}