/* General styles for the page scope */
    .page-777x-d-ng-nh-p {
        font-family: 'Arial', sans-serif;
        color: #f0f0f0; /* Light text for dark background */
        background-color: #1a1a2e; /* Dark background color */
        line-height: 1.6;
        overflow-x: hidden;
        padding-top: 10px; /* Small padding-top for hero/first section, assuming body handles header offset */
    }

    .page-777x-d-ng-nh-p__section-title {
        font-size: 2.5em;
        color: #e94560; /* Accent color */
        text-align: center;
        margin-bottom: 40px;
        padding-top: 40px;
        font-weight: bold;
        line-height: 1.2;
    }

    .page-777x-d-ng-nh-p__button {
        display: inline-block;
        padding: 15px 30px;
        border-radius: 30px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.1em;
        transition: all 0.3s ease;
        text-align: center;
        cursor: pointer;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-777x-d-ng-nh-p__button--primary {
        background-color: #e94560; /* Primary accent */
        color: #fff;
        border: 2px solid #e94560;
    }

    .page-777x-d-ng-nh-p__button--primary:hover {
        background-color: #ff6a80;
        border-color: #ff6a80;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }

    .page-777x-d-ng-nh-p__button--secondary {
        background-color: transparent;
        color: #fff;
        border: 2px solid #0f3460; /* Secondary accent */
    }

    .page-777x-d-ng-nh-p__button--secondary:hover {
        background-color: #0f3460;
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }

    /* Hero Section */
    .page-777x-d-ng-nh-p__hero-section {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 60px 20px 40px;
        background: linear-gradient(135deg, #1a1a2e, #0f3460);
        overflow: hidden;
        min-height: 60vh;
    }

    .page-777x-d-ng-nh-p__hero-content {
        position: relative;
        z-index: 2;
        max-width: 900px;
        margin-bottom: 40px;
    }

    .page-777x-d-ng-nh-p__hero-title {
        font-size: 3.5em;
        color: #fff;
        margin-bottom: 20px;
        line-height: 1.2;
        text-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
    }

    .page-777x-d-ng-nh-p__hero-description {
        font-size: 1.3em;
        color: #ccc;
        margin-bottom: 30px;
    }

    .page-777x-d-ng-nh-p__hero-buttons {
        display: flex;
        gap: 20px;
        justify-content: center;
    }

    .page-777x-d-ng-nh-p__hero-image-container {
        position: relative;
        z-index: 1;
        width: 100%;
        max-width: 800px;
        margin-top: 30px;
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .page-777x-d-ng-nh-p__hero-image {
        width: 100%;
        height: auto;
        display: block;
        object-fit: cover;
        max-width: 100%; /* Important for responsiveness */
    }

    /* Floating Buttons */
    .page-777x-d-ng-nh-p__floating-buttons-wrapper {
        position: sticky;
        bottom: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        padding: 10px 0;
        background-color: rgba(26, 26, 46, 0.9); /* Semi-transparent dark background */
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.4);
        text-align: center;
    }

    .page-777x-d-ng-nh-p__floating-buttons {
        display: flex;
        justify-content: center;
        gap: 15px;
        max-width: 500px;
        margin: 0 auto;
    }

    .page-777x-d-ng-nh-p__floating-button {
        flex: 1;
        padding: 12px 20px;
        border-radius: 25px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.1em;
        transition: all 0.3s ease;
        text-align: center;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-777x-d-ng-nh-p__floating-button--login {
        background-color: #e94560;
        color: #fff;
        border: 2px solid #e94560;
    }

    .page-777x-d-ng-nh-p__floating-button--login:hover {
        background-color: #ff6a80;
        border-color: #ff6a80;
        transform: translateY(-2px);
    }

    .page-777x-d-ng-nh-p__floating-button--register {
        background-color: #0f3460;
        color: #fff;
        border: 2px solid #0f3460;
    }

    .page-777x-d-ng-nh-p__floating-button--register:hover {
        background-color: #1f4a70;
        border-color: #1f4a70;
        transform: translateY(-2px);
    }


    /* Features Section */
    .page-777x-d-ng-nh-p__features-section {
        padding: 60px 20px;
        background-color: #16213e;
    }

    .page-777x-d-ng-nh-p__features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .page-777x-d-ng-nh-p__feature-item {
        background-color: #0f3460;
        padding: 30px;
        border-radius: 15px;
        text-align: center;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        box-sizing: border-box; /* Important for list items */
    }

    .page-777x-d-ng-nh-p__feature-item:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }

    .page-777x-d-ng-nh-p__feature-icon {
        width: 100%; /* Ensure images are responsive */
        max-width: 250px; /* Min width 200px, but make it fit well */
        height: auto;
        margin-bottom: 20px;
        border-radius: 10px;
        object-fit: cover;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        display: block; /* To center with margin auto */
        margin-left: auto;
        margin-right: auto;
    }

    .page-777x-d-ng-nh-p__feature-title {
        font-size: 1.8em;
        color: #e94560;
        margin-bottom: 15px;
    }

    .page-777x-d-ng-nh-p__feature-description {
        font-size: 1em;
        color: #ccc;
    }

    /* Product Showcase */
    .page-777x-d-ng-nh-p__product-showcase {
        padding: 60px 20px;
        background-color: #1a1a2e;
    }

    .page-777x-d-ng-nh-p__product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .page-777x-d-ng-nh-p__product-item {
        background-color: #0f3460;
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        box-sizing: border-box; /* Important for list items */
    }

    .page-777x-d-ng-nh-p__product-item:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }

    .page-777x-d-ng-nh-p__product-image {
        width: 100%;
        height: 200px; /* Fixed height for consistency */
        object-fit: cover;
        display: block;
        max-width: 100%; /* Important for responsiveness */
    }

    .page-777x-d-ng-nh-p__product-title {
        font-size: 1.8em;
        color: #e94560;
        padding: 15px 20px 5px;
    }

    .page-777x-d-ng-nh-p__product-description {
        font-size: 1em;
        color: #ccc;
        padding: 0 20px 20px;
    }

    /* How to Login Section */
    .page-777x-d-ng-nh-p__how-to-login {
        padding: 60px 20px;
        background-color: #16213e;
    }

    .page-777x-d-ng-nh-p__login-steps {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .page-777x-d-ng-nh-p__step-item {
        background-color: #0f3460;
        padding: 30px;
        border-radius: 15px;
        text-align: center;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
        box-sizing: border-box; /* Important for list items */
        position: relative;
        overflow: hidden;
    }

    .page-777x-d-ng-nh-p__step-number {
        position: absolute;
        top: -10px;
        left: -10px;
        background-color: #e94560;
        color: #fff;
        font-size: 2.5em;
        font-weight: bold;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        transform: rotate(-15deg);
    }

    .page-777x-d-ng-nh-p__step-title {
        font-size: 1.8em;
        color: #e94560;
        margin-bottom: 15px;
        margin-top: 30px; /* Adjust for step number */
    }

    .page-777x-d-ng-nh-p__step-description {
        font-size: 1em;
        color: #ccc;
    }

    /* FAQ Section */
    .page-777x-d-ng-nh-p__faq-section {
        padding: 60px 20px;
        background-color: #1a1a2e;
    }

    .page-777x-d-ng-nh-p__faq-list {
        max-width: 900px;
        margin: 0 auto;
    }

    .page-777x-d-ng-nh-p__faq-item {
        background-color: #0f3460;
        margin-bottom: 15px;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        box-sizing: border-box; /* Important for list items */
    }

    .page-777x-d-ng-nh-p__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        background-color: #1f4a70;
        cursor: pointer;
        user-select: none;
        transition: background-color 0.3s ease;
    }

    .page-777x-d-ng-nh-p__faq-question:hover {
        background-color: #2a5f90;
    }

    .page-777x-d-ng-nh-p__faq-title {
        font-size: 1.3em;
        color: #fff;
        margin: 0;
        pointer-events: none; /* Prevent text selection from interfering with click */
    }

    .page-777x-d-ng-nh-p__faq-toggle {
        font-size: 1.8em;
        font-weight: bold;
        color: #e94560;
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent text selection from interfering with click */
        width: 25px; /* Fixed width to prevent layout shift when text changes */
        text-align: center;
        display: inline-block;
    }

    .page-777x-d-ng-nh-p__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 25px;
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        color: #ccc;
    }

    .page-777x-d-ng-nh-p__faq-item.active .page-777x-d-ng-nh-p__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 25px !important;
        opacity: 1;
    }

    .page-777x-d-ng-nh-p__faq-answer p {
        margin: 0;
        padding-bottom: 10px;
    }

    /* CTA Section */
    .page-777x-d-ng-nh-p__cta-section {
        padding: 60px 20px 100px; /* Extra padding for floating buttons */
        background: linear-gradient(45deg, #0f3460, #1a1a2e);
        text-align: center;
    }

    .page-777x-d-ng-nh-p__cta-description {
        font-size: 1.2em;
        color: #ccc;
        max-width: 800px;
        margin: 0 auto 40px;
    }

    .page-777x-d-ng-nh-p__cta-buttons {
        display: flex;
        justify-content: center;
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
        .page-777x-d-ng-nh-p__hero-title {
            font-size: 3em;
        }
        .page-777x-d-ng-nh-p__section-title {
            font-size: 2em;
        }
    }

    @media (max-width: 768px) {
        .page-777x-d-ng-nh-p__hero-title {
            font-size: 2.5em;
        }
        .page-777x-d-ng-nh-p__hero-description {
            font-size: 1.1em;
        }
        .page-777x-d-ng-nh-p__hero-buttons {
            flex-direction: column;
            gap: 15px;
        }
        .page-777x-d-ng-nh-p__button {
            width: 100%;
            max-width: 300px;
            margin: 0 auto;
        }

        /* List items responsiveness */
        .page-777x-d-ng-nh-p__features-grid,
        .page-777x-d-ng-nh-p__product-grid,
        .page-777x-d-ng-nh-p__login-steps {
            grid-template-columns: 1fr;
            gap: 20px;
            padding: 0 10px; /* Adjust padding for smaller screens */
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        .page-777x-d-ng-nh-p__feature-item,
        .page-777x-d-ng-nh-p__product-item,
        .page-777x-d-ng-nh-p__step-item,
        .page-777x-d-ng-nh-p__faq-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            padding: 20px !important; /* Adjust padding */
            margin-left: 0 !important;
            margin-right: 0 !important;
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-777x-d-ng-nh-p__product-image,
        .page-777x-d-ng-nh-p__feature-icon,
        .page-777x-d-ng-nh-p__hero-image {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }

        .page-777x-d-ng-nh-p__faq-question {
            padding: 15px 20px;
        }

        .page-777x-d-ng-nh-p__faq-title {
            font-size: 1.1em;
        }

        .page-777x-d-ng-nh-p__faq-answer {
            padding: 15px 20px !important;
        }

        .page-777x-d-ng-nh-p__floating-buttons {
            flex-direction: row; /* Keep row for floating buttons */
            padding: 0 10px;
            max-width: none;
        }
        .page-777x-d-ng-nh-p__floating-button {
            font-size: 1em;
            padding: 10px 15px;
        }

        .page-777x-d-ng-nh-p__section-title {
            font-size: 1.8em;
        }
    }

    @media (max-width: 480px) {
        .page-777x-d-ng-nh-p__hero-title {
            font-size: 2em;
        }
        .page-777x-d-ng-nh-p__section-title {
            font-size: 1.6em;
        }
        .page-777x-d-ng-nh-p__hero-buttons {
            flex-direction: column;
            gap: 10px;
        }
        .page-777x-d-ng-nh-p__button {
            padding: 12px 20px;
            font-size: 1em;
        }
        .page-777x-d-ng-nh-p__feature-title,
        .page-777x-d-ng-nh-p__product-title,
        .page-777x-d-ng-nh-p__step-title {
            font-size: 1.5em;
        }
        .page-777x-d-ng-nh-p__floating-buttons {
            gap: 10px;
        }
        .page-777x-d-ng-nh-p__floating-button {
            font-size: 0.9em;
            padding: 10px 10px;
        }
    }