.page-index-m88-app-installation-guide {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #FFF3E6; /* Default text color for dark background */
    background-color: #0D0E12; /* Default background color */
}

.page-index-m88-app-installation-guide__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Hero Section */
.page-index-m88-app-installation-guide__hero-section {
    padding-top: 10px; /* Small top padding, relying on body for header offset */
    position: relative;
    text-align: center;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 500px;
    background: linear-gradient(180deg, #17191F 0%, #0D0E12 100%);
}

.page-index-m88-app-installation-guide__hero-image-wrapper {
    width: 100%;
    max-height: 675px;
    overflow: hidden;
}

.page-index-m88-app-installation-guide__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.7);
}

.page-index-m88-app-installation-guide__hero-content {
    position: relative;
    z-index: 2;
    padding: 40px 20px;
    max-width: 900px;
    margin-top: -150px; /* Overlap slightly for visual effect, but not text on image */
    color: #FFF3E6;
}

.page-index-m88-app-installation-guide__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #FFB04D; /* Glow color for title */
    text-shadow: 0 0 10px rgba(255, 176, 77, 0.7);
}

.page-index-m88-app-installation-guide__description {
    font-size: 1.25rem;
    margin-bottom: 30px;
    color: #FFF3E6;
}

.page-index-m88-app-installation-guide__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-index-m88-app-installation-guide__btn-primary,
.page-index-m88-app-installation-guide__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
    text-align: center;
}

.page-index-m88-app-installation-guide__btn-primary {
    background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(255, 165, 58, 0.4);
}

.page-index-m88-app-installation-guide__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 165, 58, 0.6);
}

.page-index-m88-app-installation-guide__btn-secondary {
    background: #17191F;
    color: #FF8C1A;
    border: 2px solid #A84F0C;
    box-shadow: 0 4px 15px rgba(168, 79, 12, 0.2);
}

.page-index-m88-app-installation-guide__btn-secondary:hover {
    background: #2a2d36;
    color: #FFA53A;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(168, 79, 12, 0.4);
}

/* General Content Section */
.page-index-m88-app-installation-guide__content-area,
.page-index-m88-app-installation-guide__advantages-section,
.page-index-m88-app-installation-guide__faq-section {
    padding: 60px 0;
    background-color: #0D0E12; /* Dark background */
    color: #FFF3E6; /* Light text */
}

.page-index-m88-app-installation-guide__section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: #FF8C1A;
    text-shadow: 0 0 5px rgba(255, 140, 26, 0.5);
}

.page-index-m88-app-installation-guide__section-title--white {
    color: #FFF3E6;
    text-shadow: 0 0 5px rgba(255, 243, 230, 0.3);
}

.page-index-m88-app-installation-guide__sub-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 50px;
    margin-bottom: 25px;
    color: #FFA53A;
}

.page-index-m88-app-installation-guide__image-full-width {
    width: 100%;
    height: auto;
    display: block;
    margin: 30px 0;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-index-m88-app-installation-guide__feature-list {
    list-style: none;
    padding: 0;
    margin-bottom: 40px;
}

.page-index-m88-app-installation-guide__feature-list li {
    background: #17191F;
    margin-bottom: 15px;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border-left: 5px solid #FF8C1A;
    font-size: 1.1rem;
    color: #FFF3E6;
}

.page-index-m88-app-installation-guide__feature-list li strong {
    color: #FFA53A;
}

.page-index-m88-app-installation-guide__button-wrapper {
    text-align: center;
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Installation Guide Section */
.page-index-m88-app-installation-guide__installation-guide {
    padding: 80px 0;
    background-color: #17191F; /* Card BG color */
    color: #FFF3E6;
}

.page-index-m88-app-installation-guide__text-white {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.1rem;
    color: #FFF3E6;
}

.page-index-m88-app-installation-guide__disclaimer {
    margin-top: 30px;
    font-style: italic;
    font-size: 0.95rem;
    color: #A84F0C;
}

.page-index-m88-app-installation-guide__step-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index-m88-app-installation-guide__step-card {
    background: #0D0E12;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    text-align: center;
    color: #FFF3E6;
    border: 1px solid #A84F0C;
}

.page-index-m88-app-installation-guide__step-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #FFA53A;
}

.page-index-m88-app-installation-guide__step-image {
    width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-index-m88-app-installation-guide__step-card p {
    font-size: 1rem;
    color: #FFF3E6;
}

/* Advantages Section */
.page-index-m88-app-installation-guide__advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index-m88-app-installation-guide__advantage-card {
    background: #17191F;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    color: #FFF3E6;
    border: 1px solid #A84F0C;
}

.page-index-m88-app-installation-guide__card-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #FFA53A;
}

/* FAQ Section */
.page-index-m88-app-installation-guide__faq-list {
    margin-top: 40px;
}

details.page-index-m88-app-installation-guide__faq-item {
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #A84F0C;
    overflow: hidden;
    background: #17191F; /* Card BG */
    color: #FFF3E6;
}

details.page-index-m88-app-installation-guide__faq-item summary.page-index-m88-app-installation-guide__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
    color: #FFF3E6;
}

details.page-index-m88-app-installation-guide__faq-item summary.page-index-m88-app-installation-guide__faq-question::-webkit-details-marker {
    display: none;
}

details.page-index-m88-app-installation-guide__faq-item summary.page-index-m88-app-installation-guide__faq-question:hover {
    background: #2a2d36;
}

.page-index-m88-app-installation-guide__faq-qtext {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: #FFA53A;
}

.page-index-m88-app-installation-guide__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    color: #FF8C1A;
    flex-shrink: 0;
    margin-left: 15px;
    width: 28px;
    text-align: center;
}

details.page-index-m88-app-installation-guide__faq-item .page-index-m88-app-installation-guide__faq-answer {
    padding: 0 20px 20px;
    background: #0D0E12; /* Background color */
    border-radius: 0 0 5px 5px;
    color: #FFF3E6;
}

/* Call to Action Section */
.page-index-m88-app-installation-guide__call-to-action {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(180deg, #D96800 0%, #FF8C1A 100%); /* Deep Orange to Main Color */
    color: #FFF3E6;
}

/* Image global styles */
.page-index-m88-app-installation-guide img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-index-m88-app-installation-guide__hero-content {
        margin-top: -100px;
    }
    .page-index-m88-app-installation-guide__main-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }
    .page-index-m88-app-installation-guide__description {
        font-size: 1.1rem;
    }
    .page-index-m88-app-installation-guide__section-title {
        font-size: 2rem;
    }
    .page-index-m88-app-installation-guide__sub-title {
        font-size: 1.6rem;
    }
    .page-index-m88-app-installation-guide__feature-list li,
    .page-index-m88-app-installation-guide__step-card p,
    .page-index-m88-app-installation-guide__advantage-card p,
    .page-index-m88-app-installation-guide__faq-qtext,
    details.page-index-m88-app-installation-guide__faq-item .page-index-m88-app-installation-guide__faq-answer p {
        font-size: 1rem;
    }
    .page-index-m88-app-installation-guide__step-card-grid,
    .page-index-m88-app-installation-guide__advantage-grid {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .page-index-m88-app-installation-guide__container {
        padding: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* HERO 主图区域 */
    .page-index-m88-app-installation-guide__hero-section {
        padding-top: 10px; /* Small top padding */
        min-height: unset;
    }
    .page-index-m88-app-installation-guide__hero-image-wrapper {
        max-height: 400px;
    }
    .page-index-m88-app-installation-guide__hero-image {
        object-fit: contain !important; /* Prevent cropping on mobile */
        aspect-ratio: unset !important; /* Allow natural aspect ratio */
        width: 100% !important;
        height: auto !important;
    }
    .page-index-m88-app-installation-guide__hero-content {
        margin-top: 0; /* Remove negative margin on mobile */
        padding: 30px 15px;
    }
    .page-index-m88-app-installation-guide__main-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: 15px;
    }
    .page-index-m88-app-installation-guide__description {
        font-size: 1rem;
        margin-bottom: 25px;
    }
    .page-index-m88-app-installation-guide__cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-index-m88-app-installation-guide__btn-primary,
    .page-index-m88-app-installation-guide__btn-secondary {
        padding: 12px 20px;
        font-size: 0.95rem;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* General Content Section */
    .page-index-m88-app-installation-guide__content-area,
    .page-index-m88-app-installation-guide__advantages-section,
    .page-index-m88-app-installation-guide__faq-section,
    .page-index-m88-app-installation-guide__installation-guide,
    .page-index-m88-app-installation-guide__call-to-action {
        padding: 40px 0;
    }
    .page-index-m88-app-installation-guide__section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    .page-index-m88-app-installation-guide__sub-title {
        font-size: 1.4rem;
        margin-top: 30px;
        margin-bottom: 20px;
    }
    .page-index-m88-app-installation-guide__feature-list li {
        padding: 15px;
        font-size: 0.95rem;
    }
    .page-index-m88-app-installation-guide__button-wrapper {
        flex-direction: column; /* Stack buttons vertically */
        gap: 15px;
        margin-top: 30px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Installation Guide Section */
    .page-index-m88-app-installation-guide__text-white {
        margin-bottom: 30px;
        font-size: 1rem;
    }
    .page-index-m88-app-installation-guide__step-card-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 25px;
    }
    .page-index-m88-app-installation-guide__step-card {
        padding: 25px;
    }
    .page-index-m88-app-installation-guide__step-title {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }
    .page-index-m88-app-installation-guide__step-image {
        margin: 15px auto;
        width: 100% !important;
        height: auto !important;
        max-width: 100% !important;
    }
    .page-index-m88-app-installation-guide__disclaimer {
        font-size: 0.85rem;
    }

    /* Advantages Section */
    .page-index-m88-app-installation-guide__advantage-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 25px;
    }
    .page-index-m88-app-installation-guide__advantage-card {
        padding: 25px;
    }
    .page-index-m88-app-installation-guide__card-title {
        font-size: 1.15rem;
        margin-bottom: 10px;
    }

    /* FAQ Section */
    .page-index-m88-app-installation-guide__faq-list {
        margin-top: 30px;
    }
    details.page-index-m88-app-installation-guide__faq-item summary.page-index-m88-app-installation-guide__faq-question {
        padding: 15px;
    }
    .page-index-m88-app-installation-guide__faq-qtext {
        font-size: 1rem;
    }
    .page-index-m88-app-installation-guide__faq-toggle {
        font-size: 20px;
        width: 24px;
        height: 24px;
    }
    details.page-index-m88-app-installation-guide__faq-item .page-index-m88-app-installation-guide__faq-answer {
        padding: 0 15px 15px;
    }
    details.page-index-m88-app-installation-guide__faq-item .page-index-m88-app-installation-guide__faq-answer p {
        font-size: 0.95rem;
    }

    /* Universal image and container styles for mobile */
    .page-index-m88-app-installation-guide img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-index-m88-app-installation-guide__section,
    .page-index-m88-app-installation-guide__card,
    .page-index-m88-app-installation-guide__container,
    .page-index-m88-app-installation-guide__hero-section,
    .page-index-m88-app-installation-guide__content-area,
    .page-index-m88-app-installation-guide__installation-guide,
    .page-index-m88-app-installation-guide__advantages-section,
    .page-index-m88-app-installation-guide__faq-section,
    .page-index-m88-app-installation-guide__call-to-action {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden;
    }
    /* No product grid on this page, but if there were, it would need overflow-x: hidden */
    .page-index-m88-app-installation-guide__step-card-grid,
    .page-index-m88-app-installation-guide__advantage-grid {
        overflow-x: hidden;
    }
}