.page-blog-huong-dan-dang-ky-11u {
    font-family: Arial, sans-serif;
    color: #FFF6D6; /* Text Main */
    background-color: #0A0A0A; /* Background */
    line-height: 1.6;
}

.page-blog-huong-dan-dang-ky-11u__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.page-blog-huong-dan-dang-ky-11u__hero-section {
    padding-top: 10px; /* Rely on body for shared header offset */
    text-align: center;
    position: relative;
    margin-bottom: 40px;
}

.page-blog-huong-dan-dang-ky-11u__hero-section .page-blog-huong-dan-dang-ky-11u__container {
    position: relative;
    z-index: 1;
    padding-top: 50px;
    padding-bottom: 50px;
}

.page-blog-huong-dan-dang-ky-11u__hero-image {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    margin-top: 20px;
    border-radius: 8px;
}

.page-blog-huong-dan-dang-ky-11u__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: #FFD36B; /* Glow */
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(255, 211, 107, 0.5);
}

.page-blog-huong-dan-dang-ky-11u__description-text {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog-huong-dan-dang-ky-11u__cta-button {
    display: inline-block;
    background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
    color: #ffffff;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(242, 193, 78, 0.4);
}

.page-blog-huong-dan-dang-ky-11u__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(242, 193, 78, 0.6);
}

.page-blog-huong-dan-dang-ky-11u__small-button {
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 25px;
}

.page-blog-huong-dan-dang-ky-11u__content-section {
    padding: 40px 0;
    background-color: #0A0A0A; /* Background */
}

.page-blog-huong-dan-dang-ky-11u__section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: #F2C14E; /* Primary color */
    margin-bottom: 25px;
    text-align: center;
    font-weight: 600;
    padding-top: 20px;
}

.page-blog-huong-dan-dang-ky-11u__section-title:not(:first-child) {
    margin-top: 60px;
}

.page-blog-huong-dan-dang-ky-11u p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #FFF6D6;
}

.page-blog-huong-dan-dang-ky-11u__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-blog-huong-dan-dang-ky-11u__card {
    background-color: #111111; /* Card BG */
    border: 1px solid #3A2A12; /* Border */
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    color: #FFF6D6;
}

.page-blog-huong-dan-dang-ky-11u__card:hover {
    transform: translateY(-5px);
}

.page-blog-huong-dan-dang-ky-11u__card-title {
    font-size: 1.4rem;
    color: #FFD36B; /* Glow */
    margin-bottom: 15px;
    font-weight: 600;
}

.page-blog-huong-dan-dang-ky-11u__step-card {
    margin-bottom: 30px;
    text-align: center;
}

.page-blog-huong-dan-dang-ky-11u__step-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-blog-huong-dan-dang-ky-11u__list {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
    text-align: left;
}

.page-blog-huong-dan-dang-ky-11u__list li {
    background-color: #1a1a1a;
    margin-bottom: 10px;
    padding: 12px 20px;
    border-left: 4px solid #F2C14E;
    border-radius: 5px;
    font-size: 1.05rem;
    color: #FFF6D6;
}

.page-blog-huong-dan-dang-ky-11u__promotion-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.page-blog-huong-dan-dang-ky-11u__promo-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
}

.page-blog-huong-dan-dang-ky-11u__read-more-button {
    display: inline-block;
    background-color: #F2C14E;
    color: #0A0A0A;
    padding: 8px 18px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 15px;
    transition: background-color 0.3s ease;
}

.page-blog-huong-dan-dang-ky-11u__read-more-button:hover {
    background-color: #FFD36B;
}

.page-blog-huong-dan-dang-ky-11u__faq-list {
    margin-top: 30px;
}

.page-blog-huong-dan-dang-ky-11u__faq-item {
    margin-bottom: 15px;
    background-color: #111111;
    border: 1px solid #3A2A12;
    border-radius: 10px;
    overflow: hidden;
}

.page-blog-huong-dan-dang-ky-11u__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    background-color: #1a1a1a;
    color: #FFD36B;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.page-blog-huong-dan-dang-ky-11u__faq-question::-webkit-details-marker,
.page-blog-huong-dan-dang-ky-11u__faq-question::marker {
    display: none;
}

.page-blog-huong-dan-dang-ky-11u__faq-qtext {
    flex-grow: 1;
}

.page-blog-huong-dan-dang-ky-11u__faq-toggle {
    font-size: 1.5rem;
    margin-left: 15px;
    transition: transform 0.3s ease;
}

.page-blog-huong-dan-dang-ky-11u__faq-item[open] .page-blog-huong-dan-dang-ky-11u__faq-toggle {
    transform: rotate(45deg);
}

.page-blog-huong-dan-dang-ky-11u__faq-answer {
    padding: 0 25px 20px;
    font-size: 1.05rem;
    color: #FFF6D6;
}

.page-blog-huong-dan-dang-ky-11u__cta-bottom {
    text-align: center;
    margin-top: 50px;
    margin-bottom: 30px;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-blog-huong-dan-dang-ky-11u__container {
        padding: 0 20px;
    }

    .page-blog-huong-dan-dang-ky-11u__main-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }

    .page-blog-huong-dan-dang-ky-11u__section-title {
        font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    }

    .page-blog-huong-dan-dang-ky-11u__benefits-grid,
    .page-blog-huong-dan-dang-ky-11u__promotion-cards {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-blog-huong-dan-dang-ky-11u {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-blog-huong-dan-dang-ky-11u__container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-blog-huong-dan-dang-ky-11u__hero-section {
        padding-top: 10px !important;
        margin-bottom: 20px;
    }

    .page-blog-huong-dan-dang-ky-11u__hero-section .page-blog-huong-dan-dang-ky-11u__container {
        padding-top: 30px;
        padding-bottom: 30px;
    }

    .page-blog-huong-dan-dang-ky-11u__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: 15px;
    }

    .page-blog-huong-dan-dang-ky-11u__description-text {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .page-blog-huong-dan-dang-ky-11u__cta-button {
        padding: 12px 25px;
        font-size: 1rem;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin-bottom: 10px;
    }
    
    .page-blog-huong-dan-dang-ky-11u__cta-bottom .page-blog-huong-dan-dang-ky-11u__cta-button {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    .page-blog-huong-dan-dang-ky-11u__small-button {
        padding: 10px 20px;
        font-size: 0.95rem;
    }

    .page-blog-huong-dan-dang-ky-11u__section-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
        margin-bottom: 20px;
        margin-top: 40px;
    }

    .page-blog-huong-dan-dang-ky-11u p {
        font-size: 0.95rem;
    }

    .page-blog-huong-dan-dang-ky-11u__benefits-grid,
    .page-blog-huong-dan-dang-ky-11u__promotion-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-blog-huong-dan-dang-ky-11u__card {
        padding: 20px;
    }

    .page-blog-huong-dan-dang-ky-11u__card-title {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }

    .page-blog-huong-dan-dang-ky-11u__step-image,
    .page-blog-huong-dan-dang-ky-11u__promo-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-blog-huong-dan-dang-ky-11u__list li {
        font-size: 0.95rem;
        padding: 10px 15px;
    }

    .page-blog-huong-dan-dang-ky-11u__read-more-button {
        padding: 6px 15px;
        font-size: 0.9rem;
    }

    .page-blog-huong-dan-dang-ky-11u__faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }

    .page-blog-huong-dan-dang-ky-11u__faq-answer {
        padding: 0 20px 15px;
        font-size: 0.95rem;
    }

    .page-blog-huong-dan-dang-ky-11u__cta-bottom {
        margin-top: 30px;
    }

    /* General image and button responsiveness */
    .page-blog-huong-dan-dang-ky-11u img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }

    .page-blog-huong-dan-dang-ky-11u a[class*="button"],
    .page-blog-huong-dan-dang-ky-11u a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-blog-huong-dan-dang-ky-11u__cta-buttons,
    .page-blog-huong-dan-dang-ky-11u__button-group,
    .page-blog-huong-dan-dang-ky-11u__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
        display: flex;
        flex-direction: column;
    }
}