:root {
    --primary-color: #26A9E0;
    --secondary-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #ffffff;
    --button-login: #EA7C07;
    --background-color: #FFFFFF;
    --black: #000000;
    --spacing-xs: 8px;
    --spacing-sm: 15px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
}

.page-blog-huong-dan-dang-ky-l88 {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Body background is light, so use dark text */
    background-color: var(--background-color);
}

.page-blog-huong-dan-dang-ky-l88__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.page-blog-huong-dan-dang-ky-l88__hero-section {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding-bottom: var(--spacing-xl);
    padding-top: 10px; /* Small top padding, shared.css handles body padding-top */
}

.page-blog-huong-dan-dang-ky-l88__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
}

.page-blog-huong-dan-dang-ky-l88__hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.85); /* Semi-transparent white background for text */
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    color: var(--text-dark);
}

.page-blog-huong-dan-dang-ky-l88__main-title {
    font-size: clamp(2em, 4vw, 2.8em); /* Use clamp for H1 */
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    font-weight: 700;
}

.page-blog-huong-dan-dang-ky-l88__intro-text {
    font-size: 1.1em;
    margin-bottom: var(--spacing-lg);
}

.page-blog-huong-dan-dang-ky-l88__cta-button {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    max-width: 100%; /* Ensure button responsive */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-blog-huong-dan-dang-ky-l88__btn-primary {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: 2px solid var(--primary-color);
}

.page-blog-huong-dan-dang-ky-l88__btn-primary:hover {
    background-color: #1e87b7;
    transform: translateY(-2px);
}

.page-blog-huong-dan-dang-ky-l88__btn-secondary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-blog-huong-dan-dang-ky-l88__btn-secondary:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
}

.page-blog-huong-dan-dang-ky-l88__section-title {
    font-size: 2.2em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.page-blog-huong-dan-dang-ky-l88__section-description {
    font-size: 1.05em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.page-blog-huong-dan-dang-ky-l88__why-register-section,
.page-blog-huong-dan-dang-ky-l88__steps-section,
.page-blog-huong-dan-dang-ky-l88__deposit-guide-section,
.page-blog-huong-dan-dang-ky-l88__download-app-section,
.page-blog-huong-dan-dang-ky-l88__faq-section,
.page-blog-huong-dan-dang-ky-l88__conclusion-section {
    padding: var(--spacing-xl) 0;
}

.page-blog-huong-dan-dang-ky-l88__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.page-blog-huong-dan-dang-ky-l88__feature-item {
    background-color: var(--secondary-color);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.page-blog-huong-dan-dang-ky-l88__feature-item:hover {
    transform: translateY(-5px);
}

.page-blog-huong-dan-dang-ky-l88__feature-icon {
    width: 100px;
    height: auto;
    margin-bottom: var(--spacing-sm);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-blog-huong-dan-dang-ky-l88__feature-title {
    font-size: 1.3em;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.page-blog-huong-dan-dang-ky-l88__steps-section {
    background-color: #f8f8f8;
}

.page-blog-huong-dan-dang-ky-l88__step-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.page-blog-huong-dan-dang-ky-l88__step-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.page-blog-huong-dan-dang-ky-l88__step-number {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    font-weight: bold;
    flex-shrink: 0;
}

.page-blog-huong-dan-dang-ky-l88__step-content {
    flex-grow: 1;
}

.page-blog-huong-dan-dang-ky-l88__step-title {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.page-blog-huong-dan-dang-ky-l88__step-content ul {
    list-style: disc;
    margin-left: var(--spacing-lg);
    padding: 0;
    margin-bottom: var(--spacing-md);
}

.page-blog-huong-dan-dang-ky-l88__step-content ul li {
    margin-bottom: var(--spacing-xs);
}

.page-blog-huong-dan-dang-ky-l88__step-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: block;
}

.page-blog-huong-dan-dang-ky-l88__notes-section {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: var(--spacing-xl) 0;
}

.page-blog-huong-dan-dang-ky-l88__notes-section .page-blog-huong-dan-dang-ky-l88__section-title,
.page-blog-huong-dan-dang-ky-l88__notes-section .page-blog-huong-dan-dang-ky-l88__section-description {
    color: var(--text-light);
}

.page-blog-huong-dan-dang-ky-l88__note-list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
}

.page-blog-huong-dan-dang-ky-l88__note-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: 8px;
    font-size: 1.1em;
}

.page-blog-huong-dan-dang-ky-l88__note-item strong {
    color: var(--secondary-color);
}

.page-blog-huong-dan-dang-ky-l88__deposit-methods {
    list-style: disc;
    max-width: 600px;
    margin: var(--spacing-lg) auto var(--spacing-lg);
    padding-left: var(--spacing-md);
    font-size: 1.05em;
}

.page-blog-huong-dan-dang-ky-l88__deposit-methods li {
    margin-bottom: var(--spacing-xs);
}

.page-blog-huong-dan-dang-ky-l88__app-download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.page-blog-huong-dan-dang-ky-l88__app-item {
    background-color: var(--secondary-color);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-blog-huong-dan-dang-ky-l88__app-image {
    width: 100%;
    height: auto;
    max-width: 300px;
    margin: 0 auto var(--spacing-sm);
    display: block;
}

.page-blog-huong-dan-dang-ky-l88__app-title {
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.page-blog-huong-dan-dang-ky-l88__faq-list {
    margin-top: var(--spacing-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

details.page-blog-huong-dan-dang-ky-l88__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}
details.page-blog-huong-dan-dang-ky-l88__faq-item summary.page-blog-huong-dan-dang-ky-l88__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-blog-huong-dan-dang-ky-l88__faq-item summary.page-blog-huong-dan-dang-ky-l88__faq-question::-webkit-details-marker {
  display: none;
}
details.page-blog-huong-dan-dang-ky-l88__faq-item summary.page-blog-huong-dan-dang-ky-l88__faq-question:hover {
  background: #f5f5f5;
}
.page-blog-huong-dan-dang-ky-l88__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-dark);
}
.page-blog-huong-dan-dang-ky-l88__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-blog-huong-dan-dang-ky-l88__faq-item .page-blog-huong-dan-dang-ky-l88__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: var(--text-dark);
}

.page-blog-huong-dan-dang-ky-l88__conclusion-section {
    text-align: center;
    background-color: #f8f8f8;
}

.page-blog-huong-dan-dang-ky-l88__conclusion-section .page-blog-huong-dan-dang-ky-l88__cta-button {
    margin-top: var(--spacing-lg);
}

/* General image responsive styles */
.page-blog-huong-dan-dang-ky-l88 img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    .page-blog-huong-dan-dang-ky-l88 {
        font-size: 15px;
        line-height: 1.55;
    }

    .page-blog-huong-dan-dang-ky-l88__hero-section {
        padding-top: 10px; /* Ensure small top padding */
        padding-bottom: var(--spacing-md);
    }

    .page-blog-huong-dan-dang-ky-l88__hero-content {
        padding: var(--spacing-md) var(--spacing-xs);
    }

    .page-blog-huong-dan-dang-ky-l88__main-title {
        font-size: clamp(1.8em, 6vw, 2.2em);
        margin-bottom: var(--spacing-sm);
    }

    .page-blog-huong-dan-dang-ky-l88__intro-text {
        font-size: 1em;
        margin-bottom: var(--spacing-md);
    }

    .page-blog-huong-dan-dang-ky-l88__cta-button {
        padding: 12px 20px;
        font-size: 1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin-left: auto;
        margin-right: auto;
    }

    .page-blog-huong-dan-dang-ky-l88__section-title {
        font-size: 1.8em;
        margin-bottom: var(--spacing-sm);
    }

    .page-blog-huong-dan-dang-ky-l88__section-description {
        font-size: 0.95em;
        margin-bottom: var(--spacing-md);
    }

    .page-blog-huong-dan-dang-ky-l88__why-register-section,
    .page-blog-huong-dan-dang-ky-l88__steps-section,
    .page-blog-huong-dan-dang-ky-l88__deposit-guide-section,
    .page-blog-huong-dan-dang-ky-l88__download-app-section,
    .page-blog-huong-dan-dang-ky-l88__faq-section,
    .page-blog-huong-dan-dang-ky-l88__conclusion-section {
        padding: var(--spacing-lg) 0;
    }

    .page-blog-huong-dan-dang-ky-l88__feature-grid {
        grid-template-columns: 1fr;
    }

    .page-blog-huong-dan-dang-ky-l88__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .page-blog-huong-dan-dang-ky-l88__step-number {
        margin-bottom: var(--spacing-sm);
    }

    .page-blog-huong-dan-dang-ky-l88__step-content ul {
        margin-left: var(--spacing-md);
        text-align: left;
    }

    .page-blog-huong-dan-dang-ky-l88__note-item {
        padding: var(--spacing-sm);
        font-size: 1em;
    }

    .page-blog-huong-dan-dang-ky-l88__deposit-methods {
        margin-left: var(--spacing-md);
        padding-left: 0;
    }

    .page-blog-huong-dan-dang-ky-l88__app-download-grid {
        grid-template-columns: 1fr;
    }

    .page-blog-huong-dan-dang-ky-l88__app-image {
        max-width: 250px;
    }

    details.page-blog-huong-dan-dang-ky-l88__faq-item summary.page-blog-huong-dan-dang-ky-l88__faq-question {
        padding: 15px;
    }
    .page-blog-huong-dan-dang-ky-l88__faq-qtext {
        font-size: 15px;
    }
    details.page-blog-huong-dan-dang-ky-l88__faq-item .page-blog-huong-dan-dang-ky-l88__faq-answer {
        padding: 0 15px 15px;
    }

    /* Mobile image responsive */
    .page-blog-huong-dan-dang-ky-l88 img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-blog-huong-dan-dang-ky-l88__container,
    .page-blog-huong-dan-dang-ky-l88__hero-content,
    .page-blog-huong-dan-dang-ky-l88__feature-item,
    .page-blog-huong-dan-dang-ky-l88__step-content,
    .page-blog-huong-dan-dang-ky-l88__note-item,
    .page-blog-huong-dan-dang-ky-l88__app-item,
    .page-blog-huong-dan-dang-ky-l88__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
}

/* No specific two-column layout stacking needed for this page as it uses grid/flex that adapts, or is already single column. */
/* No specific tables requiring horizontal scroll. */