.page-khuyen-mai-thanh-vien-moi {
    font-family: 'Arial', sans-serif;
    color: #333333; /* Default text color for light background */
    line-height: 1.6;
}

.page-khuyen-mai-thanh-vien-moi__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Hero Section */
.page-khuyen-mai-thanh-vien-moi__hero-section {
    padding-top: 10px; /* Small top padding, shared.css handles body padding-top */
    background-color: #017439; /* Primary brand color for hero background */
    color: #ffffff;
    text-align: center;
    overflow: hidden;
}

.page-khuyen-mai-thanh-vien-moi__hero-visual {
    width: 100%;
    height: auto;
    display: block;
    overflow: hidden;
}

.page-khuyen-mai-thanh-vien-moi__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.8); /* Slightly darken image for overall mood, not text overlay */
}

.page-khuyen-mai-thanh-vien-moi__hero-content-wrapper {
    background-color: #017439; /* Content block background */
    padding: 40px 0;
    color: #ffffff;
}

.page-khuyen-mai-thanh-vien-moi__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive font size */
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
    color: #FFFFFF;
}

.page-khuyen-mai-thanh-vien-moi__description {
    font-size: clamp(1rem, 1.5vw, 1.3rem);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #f0f0f0;
}

.page-khuyen-mai-thanh-vien-moi__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

/* General Section Styling */
.page-khuyen-mai-thanh-vien-moi__content-section,
.page-khuyen-mai-thanh-vien-moi__features-section,
.page-khuyen-mai-thanh-vien-moi__offers-detail-section,
.page-khuyen-mai-thanh-vien-moi__how-to-section,
.page-khuyen-mai-thanh-vien-moi__terms-section,
.page-khuyen-mai-thanh-vien-moi__faq-section,
.page-khuyen-mai-thanh-vien-moi__conclusion-section {
    padding: 60px 0;
}

.page-khuyen-mai-thanh-vien-moi__light-bg {
    background-color: #ffffff;
    color: #333333;
}

.page-khuyen-mai-thanh-vien-moi__dark-bg {
    background-color: #017439;
    color: #ffffff;
}

.page-khuyen-mai-thanh-vien-moi__section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: #017439; /* Default for light background */
}

.page-khuyen-mai-thanh-vien-moi__section-title--white {
    color: #ffffff; /* For dark backgrounds */
}

.page-khuyen-mai-thanh-vien-moi__article-body {
    max-width: 900px;
    margin: 0 auto 30px auto;
    font-size: 1.1rem;
    line-height: 1.7;
}

.page-khuyen-mai-thanh-vien-moi__article-body p {
    margin-bottom: 15px;
}

.page-khuyen-mai-thanh-vien-moi__article-body strong {
    color: #017439; /* Highlight keywords */
}
.page-khuyen-mai-thanh-vien-moi__dark-bg .page-khuyen-mai-thanh-vien-moi__article-body strong {
    color: #FFFF00; /* Highlight keywords on dark background */
}

/* Feature Grid */
.page-khuyen-mai-thanh-vien-moi__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-khuyen-mai-thanh-vien-moi__feature-card {
    background-color: rgba(255, 255, 255, 0.1); /* Slightly transparent white on dark bg */
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.page-khuyen-mai-thanh-vien-moi__feature-card:hover {
    transform: translateY(-5px);
}

.page-khuyen-mai-thanh-vien-moi__feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #FFFF00; /* Yellow for titles on dark background */
}

.page-khuyen-mai-thanh-vien-moi__feature-description {
    font-size: 1rem;
    color: #f0f0f0;
}

.page-khuyen-mai-thanh-vien-moi__cta-center {
    text-align: center;
    margin-top: 50px;
}

.page-khuyen-mai-thanh-vien-moi__cta-center--margin-top {
    margin-top: 30px; /* Adjust margin for specific sections */
}

/* Offer Detail Grid */
.page-khuyen-mai-thanh-vien-moi__offer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-khuyen-mai-thanh-vien-moi__offer-card {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.page-khuyen-mai-thanh-vien-moi__offer-card:hover {
    transform: translateY(-5px);
}

.page-khuyen-mai-thanh-vien-moi__offer-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.page-khuyen-mai-thanh-vien-moi__offer-card .page-khuyen-mai-thanh-vien-moi__offer-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #017439;
    padding: 20px 20px 10px;
}

.page-khuyen-mai-thanh-vien-moi__offer-card .page-khuyen-mai-thanh-vien-moi__offer-description {
    font-size: 1rem;
    color: #555555;
    padding: 0 20px 20px;
    flex-grow: 1;
}

.page-khuyen-mai-thanh-vien-moi__offer-card .page-khuyen-mai-thanh-vien-moi__btn-primary {
    align-self: flex-start; /* Align button to start of card */
    margin: 0 20px 20px;
    width: auto; /* Allow button to size to content */
    min-width: 150px;
}

/* How-to Section */
.page-khuyen-mai-thanh-vien-moi__steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-khuyen-mai-thanh-vien-moi__step-card {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-khuyen-mai-thanh-vien-moi__step-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #FFFF00; /* Yellow for numbers */
    margin-bottom: 15px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 70px;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-khuyen-mai-thanh-vien-moi__step-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #ffffff;
}

.page-khuyen-mai-thanh-vien-moi__step-description {
    font-size: 1rem;
    color: #f0f0f0;
}

/* Terms Section */
.page-khuyen-mai-thanh-vien-moi__terms-list {
    list-style: disc;
    padding-left: 25px;
    margin-bottom: 20px;
}

.page-khuyen-mai-thanh-vien-moi__terms-list li {
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.page-khuyen-mai-thanh-vien-moi__read-more-link {
    display: inline-block;
    color: #017439;
    text-decoration: underline;
    font-weight: bold;
    margin-top: 10px;
}

.page-khuyen-mai-thanh-vien-moi__read-more-link:hover {
    color: #005f2e;
}

/* FAQ Section - Details/Summary based */
details.page-khuyen-mai-thanh-vien-moi__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.2); /* Lighter border on dark bg */
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05); /* Slightly transparent background */
  color: #ffffff;
}