.page-blog-huong-dan-dang-ky-vb9 {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333333; /* Dark text for assumed light body background */
    background-color: var(--background-color, #f8f8f8); /* Default light background */
}

/* Container for main content width */
.page-blog-huong-dan-dang-ky-vb9__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.page-blog-huong-dan-dang-ky-vb9__container--centered {
    text-align: center;
}

/* Section styling */
.page-blog-huong-dan-dang-ky-vb9__section {
    padding: 60px 0;
    margin-bottom: 20px;
    background-color: #ffffff; /* White background for sections */
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-radius: 8px;
    margin-left: 20px;
    margin-right: 20px;
}
.page-blog-huong-dan-dang-ky-vb9__section:first-of-type {
    margin-top: 20px;
}

/* Hero Section */
.page-blog-huong-dan-dang-ky-vb9__hero-section {
    position: relative;
    width: 100%;
    padding-top: 10px; /* Small top padding, body handles header offset */
    margin-bottom: 40px;
    overflow: hidden;
    background-color: #26A9E0; /* Brand color as background */
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.page-blog-huong-dan-dang-ky-vb9__hero-image {
    width: 100%;
    height: 500px; /* Fixed height for desktop hero */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
}

.page-blog-huong-dan-dang-ky-vb9__hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Cover for desktop */
    display: block;
    filter: none; /* No filter */
}

.page-blog-huong-dan-dang-ky-vb9__hero-content {
    text-align: center;
    padding: 0 20px 60px;
    color: #ffffff; /* White text on brand color background */
    max-width: 900px;
    margin: 0 auto;
}

.page-blog-huong-dan-dang-ky-vb9__main-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem); /* Using clamp for H1 */
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #ffffff;
}

.page-blog-huong-dan-dang-ky-vb9__hero-description {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* General button styles */
.page-blog-huong-dan-dang-ky-vb9__btn-primary,
.page-blog-huong-dan-dang-ky-vb9__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    max-width: 100%; /* Button responsive base */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}