.page-khuyen-mai {
    font-family: 'Arial', sans-serif;
    color: #1F2D3D; /* Text Main */
    background: #F4F7FB; /* Background */
    line-height: 1.6;
}

.page-khuyen-mai__content-area {
    max-width: 1170px;
    margin: 0 auto;
    padding: 40px 16px;
    box-sizing: border-box;
}

.page-khuyen-mai__section-title {
    font-size: 2.5em;
    font-weight: bold;
    color: #2F6BFF; /* Main color */
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.page-khuyen-mai__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #2F6BFF, #6FA3FF);
    border-radius: 2px;
}

.page-khuyen-mai__section-title--light {
    color: #ffffff;
}

.page-khuyen-mai__paragraph {
    font-size: 1.1em;
    margin-bottom: 20px;
    text-align: justify;
}

.page-khuyen-mai__paragraph--light {
    color: #f0f0f0;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-khuyen-mai__btn-primary {
    background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Button color */
    color: #ffffff;
}

.page-khuyen-mai__btn-primary:hover {
    background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
    box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

.page-khuyen-mai__btn-secondary {
    background: #ffffff; /* Card BG */
    color: #2F6BFF; /* Main color */
    border-color: #2F6BFF;
}

.page-khuyen-mai__btn-secondary:hover {
    background: #e0e0e0;
    color: #1a4a9e;
    border-color: #1a4a9e;
    box-shadow: 0 4px 15px rgba(47, 107, 255, 0.2);
}

.page-khuyen-mai__btn-small {
    padding: 8px 18px;
    font-size: 0.9em;
}

.page-khuyen-mai__btn-large {
    padding: 15px 30px;
    font-size: 1.2em;
}

/* General image responsiveness */
.page-khuyen-mai img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* HERO Section */
.page-khuyen-mai__hero-section {
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    background: #F4F7FB; /* Background */
}

.page-khuyen-mai__hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    padding: 20px 16px;
}

.page-khuyen-mai__hero-content {
    flex: 1 1 50%;
    min-width: 300px;
    text-align: left;
}

.page-khuyen-mai__hero-title {
    font-size: 3.2em;
    font-weight: 900;
    color: #000000; /* Custom Color_1776249996415 */
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-khuyen-mai__hero-description {
    font-size: 1.2em;
    color: #1F2D3D; /* Text Main */
    margin-bottom: 30px;
    line-height: 1.6;
}

.page-khuyen-mai__hero-cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.page-khuyen-mai__hero-image {
    flex: 1 1 40%;
    min-width: 300px;
    text-align: center;
}

.page-khuyen-mai__hero-main-img {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(47, 107, 255, 0.2);
}

/* Intro Section - General */
.page-khuyen-mai__intro-section .page-khuyen-mai__paragraph {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Promos List Section */
.page-khuyen-mai__promos-list-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background: #F4F7FB; /* Background */
}

.page-khuyen-mai__promo-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-khuyen-mai__promo-card {
    background: #FFFFFF; /* Card BG */
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyen-mai__promo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.page-khuyen-mai__icon-box-media {
    width: 180px; /* Still square, will be >=200px in actual image */
    height: 180px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid #D6E2FF; /* Border color */
    box-shadow: 0 0 0 8px #A5C4FF; /* Glow */
}

.page-khuyen-mai__icon-box-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%; /* Ensure image itself is circular within the container */
}

.page-khuyen-mai__card-title {
    font-size: 1.6em;
    font-weight: bold;
    color: #2F6BFF; /* Main color */
    margin-bottom: 15px;
    line-height: 1.3;
}

.page-khuyen-mai__card-description {
    font-size: 1em;
    color: #1F2D3D; /* Text Main */
    margin-bottom: 25px;
    flex-grow: 1;
    text-align: left;
}

/* Guide Section */
.page-khuyen-mai__guide-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background: #F4F7FB; /* Background */
}

.page-khuyen-mai__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-khuyen-mai__guide-step-item {
    background: #FFFFFF; /* Card BG */
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
    position: relative;
}

.page-khuyen-mai__guide-step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    font-weight: bold;
    margin: -60px auto 20px;
    box-shadow: 0 5px 15px rgba(47, 107, 255, 0.3);
}

.page-khuyen-mai__guide-step-title {
    font-size: 1.5em;
    font-weight: bold;
    color: #000000; /* Custom Color_1776249996415 */
    margin-bottom: 10px;
}

.page-khuyen-mai__guide-step-description {
    font-size: 1em;
    color: #1F2D3D; /* Text Main */
}

.page-khuyen-mai__guide-step-description a {
    color: #2F6BFF;
    text-decoration: none;
    font-weight: bold;
}

.page-khuyen-mai__guide-step-description a:hover {
    text-decoration: underline;
}

.page-khuyen-mai__guide-image {
    margin-top: 50px;
    text-align: center;
}

.page-khuyen-mai__guide-image img {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* Terms Section */
.page-khuyen-mai__terms-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background: #F4F7FB; /* Background */
}

.page-khuyen-mai__terms-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-khuyen-mai__terms-item {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    font-size: 1.1em;
    color: #1F2D3D; /* Text Main */
}

.page-khuyen-mai__terms-item::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: #2F6BFF;
    font-size: 1.2em;
    line-height: 1;
}

.page-khuyen-mai__terms-section .page-khuyen-mai__paragraph a {
    color: #2F6BFF;
    text-decoration: none;
    font-weight: bold;
}

.page-khuyen-mai__terms-section .page-khuyen-mai__paragraph a:hover {
    text-decoration: underline;
}

.page-khuyen-mai__terms-image {
    margin-top: 40px;
    text-align: center;
}

.page-khuyen-mai__terms-image img {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* FAQ Section */
.page-khuyen-mai__faq-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background: #F4F7FB; /* Background */
}

.page-khuyen-mai__faq-list {
    max-width: 900px;
    margin: 40px auto 0;
}

.page-khuyen-mai__faq-item {
    background: #FFFFFF; /* Card BG */
    border: 1px solid #D6E2FF; /* Border color */
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-khuyen-mai__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.2em;
    font-weight: bold;
    color: #000000; /* Custom Color_1776249996415 */
    cursor: pointer;
    background: #FFFFFF; /* Card BG */
    transition: background 0.3s ease;
    list-style: none; /* For details/summary */
}

.page-khuyen-mai__faq-question::-webkit-details-marker {
    display: none;
}
.page-khuyen-mai__faq-question::marker {
    display: none;
}

.page-khuyen-mai__faq-question:hover {
    background: #F4F7FB; /* Background */
}

.page-khuyen-mai__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    color: #2F6BFF;
    transition: transform 0.3s ease;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle {
    transform: rotate(45deg);
}

.page-khuyen-mai__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    color: #1F2D3D; /* Text Main */
    line-height: 1.6;
}

/* Conclusion Section */
.page-khuyen-mai__conclusion-section {
    padding-top: 80px;
    padding-bottom: 80px;
    background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%); /* Main/Auxiliary colors */
    text-align: center;
}

.page-khuyen-mai__conclusion-section .page-khuyen-mai__content-area {
    padding: 40px 16px; /* Adjust padding for dark section */
}

.page-khuyen-mai__conclusion-cta {
    margin-top: 40px;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 1024px) {
    .page-khuyen-mai__hero-title {
        font-size: 2.8em;
    }
    .page-khuyen-mai__hero-description {
        font-size: 1.1em;
    }
    .page-khuyen-mai__section-title {
        font-size: 2em;
    }
    .page-khuyen-mai__promo-cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    .page-khuyen-mai__guide-steps {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-khuyen-mai {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-khuyen-mai__content-area,
    .page-khuyen-mai__section,
    .page-khuyen-mai__card,
    .page-khuyen-mai__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* HERO Section */
    .page-khuyen-mai__hero-section {
        padding-top: 10px !important; /* Small top padding, body handles header offset */
        padding-bottom: 40px;
    }
    .page-khuyen-mai__hero-container {
        flex-direction: column;
        gap: 30px;
        padding: 20px 15px;
    }
    .page-khuyen-mai__hero-content {
        text-align: center;
        width: 100%;
    }
    .page-khuyen-mai__hero-title {
        font-size: 2.2em;
        margin-bottom: 15px;
    }
    .page-khuyen-mai__hero-description {
        font-size: 1em;
        margin-bottom: 25px;
    }
    .page-khuyen-mai__hero-cta-buttons {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    .page-khuyen-mai__hero-image {
        width: 100%;
    }

    /* Buttons */
    .page-khuyen-mai__btn-primary,
    .page-khuyen-mai__btn-secondary,
    .page-khuyen-mai a[class*="button"],
    .page-khuyen-mai 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-khuyen-mai__hero-cta-buttons {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0;
        padding-right: 0;
        flex-wrap: wrap !important;
        gap: 10px;
    }
    .page-khuyen-mai__conclusion-cta {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Section Titles */
    .page-khuyen-mai__section-title {
        font-size: 1.8em;
        margin-bottom: 25px;
    }

    /* Promos List Section */
    .page-khuyen-mai__promo-cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-khuyen-mai__promo-card {
        padding: 25px;
    }
    .page-khuyen-mai__icon-box-media {
        width: 160px;
        height: 160px;
        margin-bottom: 15px;
    }

    /* Guide Section */
    .page-khuyen-mai__guide-steps {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .page-khuyen-mai__guide-step-item {
        padding: 25px;
    }
    .page-khuyen-mai__guide-step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.8em;
        margin: -50px auto 15px;
    }
    .page-khuyen-mai__guide-image img {
        max-width: 100%;
    }

    /* Terms Section */
    .page-khuyen-mai__terms-list {
        padding-left: 0;
        margin-bottom: 25px;
    }
    .page-khuyen-mai__terms-item {
        font-size: 1em;
        padding-left: 25px;
        margin-bottom: 10px;
    }
    .page-khuyen-mai__terms-image img {
        max-width: 100%;
    }

    /* FAQ Section */
    .page-khuyen-mai__faq-list {
        margin-top: 30px;
    }
    .page-khuyen-mai__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
    }
    .page-khuyen-mai__faq-answer {
        padding: 0 20px 15px;
    }

    /* Conclusion Section */
    .page-khuyen-mai__conclusion-section {
        padding-top: 60px;
        padding-bottom: 60px;
    }
    .page-khuyen-mai__conclusion-section .page-khuyen-mai__content-area {
        padding: 30px 15px;
    }

    /* General Images */
    .page-khuyen-mai img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    /* Exception for icon-box-media img - must remain square */
    .page-khuyen-mai__icon-box-media img {
        height: 100% !important;
        object-fit: cover !important;
    }
}