.page-blog-huong-dan-dang-ky-tp88 {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Default dark text for light body background */
    background-color: #ffffff; /* Explicitly set for clarity if shared doesn't */
}

/* Hero Section */
.page-blog-huong-dan-dang-ky-tp88__hero-section {
    padding-top: 10px; /* Small top padding as per instruction */
    padding-bottom: 60px;
    background-color: #f8f8f8; /* Light background for contrast with text */
}

.page-blog-huong-dan-dang-ky-tp88__hero-container {
    max-width: 1170px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 40px 16px;
    gap: 40px;
}

.page-blog-huong-dan-dang-ky-tp88__hero-content {
    flex: 1 1 45%;
    min-width: 300px;
    color: #333333;
}

.page-blog-huong-dan-dang-ky-tp88__main-title {
    font-size: clamp(2.2rem, 4vw, 3.2rem); /* Using clamp as requested for H1 */
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #26A9E0; /* Brand color for H1 */
}

.page-blog-huong-dan-dang-ky-tp88__hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #555555;
}

.page-blog-huong-dan-dang-ky-tp88__cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap; /* Allow wrapping for mobile */
}

.page-blog-huong-dan-dang-ky-tp88__btn-primary,
.page-blog-huong-dan-dang-ky-tp88__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    text-align: center;
    max-width: 100%; /* For mobile button responsiveness */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-blog-huong-dan-dang-ky-tp88__btn-primary {
    background-color: #EA7C07; /* Login/Register color */
    color: #ffffff;
    border: 2px solid #EA7C07;
}

.page-blog-huong-dan-dang-ky-tp88__btn-primary:hover {
    background-color: #d16b06;
    border-color: #d16b06;
}

.page-blog-huong-dan-dang-ky-tp88__btn-secondary {
    background-color: #ffffff;
    color: #26A9E0;
    border: 2px solid #26A9E0;
}

.page-blog-huong-dan-dang-ky-tp88__btn-secondary:hover {
    background-color: #e0f2f7;
    color: #1e87b7;
    border-color: #1e87b7;
}

.page-blog-huong-dan-dang-ky-tp88__hero-image {
    flex: 1 1 45%;
    min-width: 300px;
    text-align: center;
}

.page-blog-huong-dan-dang-ky-tp88__hero-side-image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* General Content Container */
.page-blog-huong-dan-dang-ky-tp88__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 40px 16px;
    box-sizing: border-box;
}

.page-blog-huong-dan-dang-ky-tp88__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: #26A9E0;
    text-align: center;
    margin-bottom: 20px;
}

.page-blog-huong-dan-dang-ky-tp88__section-description {
    font-size: 1.05rem;
    color: #555555;
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Why Register Section */
.page-blog-huong-dan-dang-ky-tp88__why-register-section {
    background-color: #ffffff;
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-blog-huong-dan-dang-ky-tp88__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-blog-huong-dan-dang-ky-tp88__feature-item {
    background-color: #f0f8ff; /* Light blue tint for card */
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-blog-huong-dan-dang-ky-tp88__feature-item:hover {
    transform: translateY(-5px);
}

.page-blog-huong-dan-dang-ky-tp88__feature-title {
    font-size: 1.4rem;
    color: #26A9E0;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-blog-huong-dan-dang-ky-tp88__feature-text {
    font-size: 1rem;
    color: #666666;
}

/* Guide Section */
.page-blog-huong-dan-dang-ky-tp88__guide-section {
    background-color: #f8f8f8;
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-blog-huong-dan-dang-ky-tp88__step-by-step {
    display: flex;
    flex-direction: column;
    gap: 50px;
    margin-top: 40px;
}

.page-blog-huong-dan-dang-ky-tp88__step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.page-blog-huong-dan-dang-ky-tp88__step-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #EA7C07; /* Orange for step numbers */
    margin-bottom: 15px;
    background-color: #fff3e0; /* Light orange background */
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #EA7C07;
}

.page-blog-huong-dan-dang-ky-tp88__step-title {
    font-size: 1.6rem;
    color: #26A9E0;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-blog-huong-dan-dang-ky-tp88__step-text {
    font-size: 1.05rem;
    color: #666666;
    margin-bottom: 20px;
    max-width: 700px;
}

.page-blog-huong-dan-dang-ky-tp88__step-list {
    list-style: disc;
    text-align: left;
    margin: 0 auto 20px;
    padding-left: 25px;
    max-width: 700px;
    color: #666666;
}

.page-blog-huong-dan-dang-ky-tp88__step-list li {
    margin-bottom: 8px;
    font-size: 1rem;
}

.page-blog-huong-dan-dang-ky-tp88__step-image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
    min-width: 200px; /* Enforce min size */
    min-height: 200px;
}

/* Important Notes Section */
.page-blog-huong-dan-dang-ky-tp88__important-notes-section {
    background-color: #ffffff;
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-blog-huong-dan-dang-ky-tp88__notes-list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 30px auto 0;
}

.page-blog-huong-dan-dang-ky-tp88__notes-list li {
    background-color: #f0f8ff;
    border-left: 5px solid #26A9E0;
    padding: 15px 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    font-size: 1.05rem;
    color: #333333;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-blog-huong-dan-dang-ky-tp88__notes-list li strong {
    color: #26A9E0;
}

/* FAQ Section */
.page-blog-huong-dan-dang-ky-tp88__faq-section {
    background-color: #f8f8f8;
    padding-top: 60px;
    padding-bottom: 60px;
}

.page-blog-huong-dan-dang-ky-tp88__faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.page-blog-huong-dan-dang-ky-tp88__faq-item {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-blog-huong-dan-dang-ky-tp88__faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.15rem;
    font-weight: 600;
    color: #333333;
    cursor: pointer;
    list-style: none; /* Remove default marker */
}

.page-blog-huong-dan-dang-ky-tp88__faq-item summary::-webkit-details-marker {
    display: none; /* Hide default marker for webkit browsers */
}

.page-blog-huong-dan-dang-ky-tp88__faq-item summary:hover {
    background-color: #f5f5f5;
    border-radius: 8px 8px 0 0;
}

.page-blog-huong-dan-dang-ky-tp88__faq-qtext {
    flex-grow: 1;
    color: #26A9E0; /* Brand color for question text */
}

.page-blog-huong-dan-dang-ky-tp88__faq-toggle {
    font-size: 1.5rem;
    font-weight: 700;
    color: #EA7C07;
    margin-left: 15px;
}

.page-blog-huong-dan-dang-ky-tp88__faq-item[open] .page-blog-huong-dan-dang-ky-tp88__faq-toggle {
    content: "−"; /* Change to minus when open */
}

.page-blog-huong-dan-dang-ky-tp88__faq-answer {
    padding: 15px 25px 25px;
    font-size: 1rem;
    color: #555555;
    border-top: 1px solid #eee;
}

.page-blog-huong-dan-dang-ky-tp88__faq-answer p {
    margin-bottom: 0;
}

/* CTA Bottom Section */
.page-blog-huong-dan-dang-ky-tp88__cta-bottom-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background-color: #26A9E0; /* Brand primary color as background */
    color: #ffffff; /* White text for contrast */
    text-align: center;
}

.page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__section-title,
.page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__section-description {
    color: #ffffff; /* Ensure white text on brand background */
}

.page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__cta-buttons {
    justify-content: center;
    margin-top: 30px;
}

.page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__btn-primary {
    background-color: #EA7C07;
    border-color: #EA7C07;
    color: #ffffff;
}
.page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__btn-primary:hover {
    background-color: #d16b06;
    border-color: #d16b06;
}

.page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__btn-secondary {
    background-color: #ffffff;
    border-color: #ffffff;
    color: #26A9E0;
}
.page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__btn-secondary:hover {
    background-color: #f0f8ff;
    border-color: #f0f8ff;
    color: #1e87b7;
}

/* Universal image responsiveness for content area */
.page-blog-huong-dan-dang-ky-tp88 img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .page-blog-huong-dan-dang-ky-tp88 {
        font-size: 16px;
        line-height: 1.6;
    }

    /* HERO 双栏 (Hero Section) */
    .page-blog-huong-dan-dang-ky-tp88__hero-section {
        padding-top: 10px !important; /* Small top padding for mobile */
        padding-bottom: 40px;
    }
    .page-blog-huong-dan-dang-ky-tp88__hero-container {
        flex-direction: column;
        padding: 30px 15px;
        gap: 30px;
    }
    .page-blog-huong-dan-dang-ky-tp88__main-title {
        font-size: 2rem;
        text-align: center;
    }
    .page-blog-huong-dan-dang-ky-tp88__hero-description {
        font-size: 1rem;
        text-align: center;
    }
    .page-blog-huong-dan-dang-ky-tp88__hero-image {
        order: -1; /* Image above text on mobile */
    }

    /* 通用容器 (General Content Container) */
    .page-blog-huong-dan-dang-ky-tp88__container {
        padding: 30px 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-blog-huong-dan-dang-ky-tp88__section-title {
        font-size: 1.8rem;
    }
    .page-blog-huong-dan-dang-ky-tp88__section-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    /* 模块1 三栏 (Features Grid) */
    .page-blog-huong-dan-dang-ky-tp88__why-register-section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .page-blog-huong-dan-dang-ky-tp88__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-blog-huong-dan-dang-ky-tp88__feature-item {
        padding: 25px;
    }
    .page-blog-huong-dan-dang-ky-tp88__feature-title {
        font-size: 1.2rem;
    }
    .page-blog-huong-dan-dang-ky-tp88__feature-text {
        font-size: 0.95rem;
    }

    /* 教程长文排版 (Guide Section) */
    .page-blog-huong-dan-dang-ky-tp88__guide-section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .page-blog-huong-dan-dang-ky-tp88__step-by-step {
        gap: 30px;
    }
    .page-blog-huong-dan-dang-ky-tp88__step-item {
        padding: 25px 15px;
    }
    .page-blog-huong-dan-dang-ky-tp88__step-number {
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
    }
    .page-blog-huong-dan-dang-ky-tp88__step-title {
        font-size: 1.4rem;
    }
    .page-blog-huong-dan-dang-ky-tp88__step-text,
    .page-blog-huong-dan-dang-ky-tp88__step-list li {
        font-size: 0.95rem;
    }
    .page-blog-huong-dan-dang-ky-tp88__step-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        min-width: 200px !important;
        min-height: 150px !important; /* Adjust min-height for aspect ratio */
    }

    /* 重要提示 (Important Notes Section) */
    .page-blog-huong-dan-dang-ky-tp88__important-notes-section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .page-blog-huong-dan-dang-ky-tp88__notes-list li {
        font-size: 0.95rem;
        padding: 12px 18px;
    }

    /* FAQ 排版 (FAQ Section) */
    .page-blog-huong-dan-dang-ky-tp88__faq-section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .page-blog-huong-dan-dang-ky-tp88__faq-item summary {
        font-size: 1rem;
        padding: 15px 20px;
    }
    .page-blog-huong-dan-dang-ky-tp88__faq-qtext {
        font-size: 1rem;
    }
    .page-blog-huong-dan-dang-ky-tp88__faq-toggle {
        font-size: 1.3rem;
    }
    .page-blog-huong-dan-dang-ky-tp88__faq-answer {
        padding: 10px 20px 20px;
        font-size: 0.95rem;
    }

    /* 底部 CTA (CTA Bottom Section) */
    .page-blog-huong-dan-dang-ky-tp88__cta-bottom-section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 100%;
        padding: 0 15px; /* Add padding to container for buttons */
        box-sizing: border-box;
    }
    .page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__btn-primary,
    .page-blog-huong-dan-dang-ky-tp88__cta-bottom-section .page-blog-huong-dan-dang-ky-tp88__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 移动端图片适配强制要求 (Universal image responsiveness for content area) */
    .page-blog-huong-dan-dang-ky-tp88 img {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
    }
}