/* style/index-core-business-introduction.css */
:root {
    --may88-primary-color: #11A84E;
    --may88-secondary-color: #22C768;
    --may88-card-bg: #11271B;
    --may88-background: #08160F;
    --may88-text-main: #F2FFF6;
    --may88-text-secondary: #A7D9B8;
    --may88-border-color: #2E7A4E;
    --may88-glow-color: #57E38D;
    --may88-gold-color: #F2C14E;
    --may88-divider-color: #1E3A2A;
    --may88-deep-green-color: #0A4B2C;
    --may88-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-index-core-business-introduction {
    background-color: var(--may88-background);
    color: var(--may88-text-main);
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.page-index-core-business-introduction__hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-bottom: 40px;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
}

.page-index-core-business-introduction__hero-image-wrapper {
    width: 100%;
    max-height: 700px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-index-core-business-introduction__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.page-index-core-business-introduction__hero-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
    position: relative;
    z-index: 1;
    box-sizing: border-box;
}

.page-index-core-business-introduction__main-title {
    font-size: clamp(2em, 4vw, 3.5em);
    color: var(--may88-text-main);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
}

.page-index-core-business-introduction__hero-description {
    font-size: 1.1em;
    color: var(--may88-text-secondary);
    margin-bottom: 30px;
}

.page-index-core-business-introduction__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-index-core-business-introduction__btn-primary,
.page-index-core-business-introduction__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
    max-width: 100%;
    text-align: center;
}

.page-index-core-business-introduction__btn-primary {
    background: var(--may88-button-gradient);
    color: var(--may88-text-main);
    border: none;
}

.page-index-core-business-introduction__btn-primary:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.page-index-core-business-introduction__btn-secondary {
    background: transparent;
    color: var(--may88-primary-color);
    border: 2px solid var(--may88-primary-color);
}

.page-index-core-business-introduction__btn-secondary:hover {
    transform: translateY(-2px);
    background: rgba(var(--may88-primary-color), 0.1);
}

.page-index-core-business-introduction__section {
    padding: 60px 20px;
    text-align: center;
}

.page-index-core-business-introduction__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.8em);
    color: var(--may88-text-main);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-index-core-business-introduction__section-description {
    font-size: 1.1em;
    color: var(--may88-text-secondary);
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.page-index-core-business-introduction__container {
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-index-core-business-introduction__video-section {
    background-color: var(--may88-deep-green-color);
    padding-top: 10px; /* Small top padding, body handles --header-offset */
}

.page-index-core-business-introduction__video-container {
    width: 100%; /* Important for desktop flex container */
    max-width: 1000px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-index-core-business-introduction__video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    margin-top: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.page-index-core-business-introduction__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    max-width: 100%;
    object-fit: cover;
}

.page-index-core-business-introduction__video-description {
    color: var(--may88-text-secondary);
    font-size: 1em;
    margin-top: 20px;
}

.page-index-core-business-introduction__products-section {
    background-color: var(--may88-background);
}

.page-index-core-business-introduction__product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index-core-business-introduction__product-card {
    background-color: var(--may88-card-bg);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: left;
    display: flex;
    flex-direction: column;
    height: 100%;
    color: var(--may88-text-main);
}

.page-index-core-business-introduction__product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
}

.page-index-core-business-introduction__product-title {
    font-size: 1.4em;
    color: var(--may88-text-main);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-index-core-business-introduction__product-description {
    font-size: 0.95em;
    color: var(--may88-text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-index-core-business-introduction__btn-text {
    color: var(--may88-gold-color);
    text-decoration: none;
    font-weight: bold;
    border-bottom: 2px solid var(--may88-gold-color);
    padding-bottom: 5px;
    transition: color 0.3s ease, border-color 0.3s ease;
    align-self: flex-start;
}

.page-index-core-business-introduction__btn-text:hover {
    color: var(--may88-glow-color);
    border-color: var(--may88-glow-color);
}

.page-index-core-business-introduction__why-choose-us-section {
    background-color: var(--may88-deep-green-color);
}

.page-index-core-business-introduction__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index-core-business-introduction__feature-card {
    background-color: var(--may88-card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--may88-text-main);
}

.page-index-core-business-introduction__feature-icon {
    width: 250px; /* Min size 200x200 */
    height: auto;
    margin-bottom: 20px;
    display: block;
    border-radius: 8px;
}

.page-index-core-business-introduction__feature-title {
    font-size: 1.3em;
    color: var(--may88-text-main);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-index-core-business-introduction__feature-description {
    font-size: 0.95em;
    color: var(--may88-text-secondary);
}

.page-index-core-business-introduction__registration-section {
    background-color: var(--may88-background);
}

.page-index-core-business-introduction__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index-core-business-introduction__guide-card {
    background-color: var(--may88-card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: left;
    height: 100%;
    display: flex;
    flex-direction: column;
    color: var(--may88-text-main);
}

.page-index-core-business-introduction__guide-title {
    font-size: 1.4em;
    color: var(--may88-gold-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-index-core-business-introduction__guide-text {
    font-size: 0.95em;
    color: var(--may88-text-secondary);
    margin-bottom: 25px;
    flex-grow: 1;
}

.page-index-core-business-introduction__faq-section {
    background-color: var(--may88-deep-green-color);
}

.page-index-core-business-introduction__faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
    text-align: left;
}

.page-index-core-business-introduction__faq-item {
    background-color: var(--may88-card-bg);
    border: 1px solid var(--may88-border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--may88-text-main);
}

.page-index-core-business-introduction__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    color: var(--may88-text-main);
    transition: background-color 0.3s ease;
    list-style: none; /* For details/summary */
}

.page-index-core-business-introduction__faq-question::-webkit-details-marker {
    display: none; /* For details/summary */
}

.page-index-core-business-introduction__faq-question:hover {
    background-color: rgba(var(--may88-primary-color), 0.1);
}

.page-index-core-business-introduction__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    color: var(--may88-gold-color);
}

.page-index-core-business-introduction__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 0.95em;
    color: var(--may88-text-secondary);
    line-height: 1.6;
}

.page-index-core-business-introduction__conclusion-section {
    background-color: var(--may88-background);
    padding-bottom: 80px;
}

.page-index-core-business-introduction__conclusion-text {
    font-size: 1.15em;
    color: var(--may88-text-main);
    max-width: 900px;
    margin: 0 auto 40px auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-index-core-business-introduction__hero-content {
        padding: 15px;
    }
    .page-index-core-business-introduction__main-title {
        font-size: clamp(1.8em, 5vw, 3em);
    }
    .page-index-core-business-introduction__section-title {
        font-size: clamp(1.6em, 4vw, 2.5em);
    }
    .page-index-core-business-introduction__product-grid,
    .page-index-core-business-introduction__features-grid,
    .page-index-core-business-introduction__guide-steps {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .page-index-core-business-introduction {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-index-core-business-introduction__hero-section {
        padding-bottom: 20px;
        padding-top: 10px !important;
    }
    .page-index-core-business-introduction__main-title {
        font-size: clamp(1.5em, 6vw, 2.5em);
    }
    .page-index-core-business-introduction__hero-description {
        font-size: 1em;
    }
    .page-index-core-business-introduction__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 300px; /* Constrain buttons for better mobile look */
        margin: 0 auto;
    }
    .page-index-core-business-introduction__btn-primary,
    .page-index-core-business-introduction__btn-secondary {
        padding: 12px 20px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }
    .page-index-core-business-introduction__section {
        padding: 40px 15px;
    }
    .page-index-core-business-introduction__section-title {
        font-size: clamp(1.5em, 5vw, 2em);
    }
    .page-index-core-business-introduction__section-description {
        font-size: 0.95em;
        margin-bottom: 30px;
    }
    .page-index-core-business-introduction__video-section {
        padding-top: 10px !important;
    }
    .page-index-core-business-introduction__video-container,
    .page-index-core-business-introduction__video-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0;
        padding-right: 0;
        overflow: hidden !important;
    }
    .page-index-core-business-introduction__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-index-core-business-introduction img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-index-core-business-introduction__product-grid,
    .page-index-core-business-introduction__features-grid,
    .page-index-core-business-introduction__guide-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-index-core-business-introduction__card,
    .page-index-core-business-introduction__product-card,
    .page-index-core-business-introduction__feature-card,
    .page-index-core-business-introduction__guide-card,
    .page-index-core-business-introduction__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-index-core-business-introduction__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-index-core-business-introduction__faq-answer {
        padding: 0 20px 15px 20px;
    }
    .page-index-core-business-introduction__conclusion-text {
        font-size: 1em;
    }
}