/* Reset & Base Styles */
    :root {
        --primary-color: #e44d26; /* A vibrant orange/red, common in betting sites */
        --secondary-color: #333;
        --accent-color: #fddb00; /* Yellow for highlights */
        --background-dark: #1a1a1a;
        --background-light: #f4f4f4;
        --text-light: #ffffff;
        --text-dark: #333333;
        --border-color: #444;
        --button-bg: #e44d26;
        --button-hover-bg: #ff6a3d;
        --spacing-unit: 10px;
    }

    /* Page-specific styles for 678win dangnhap */
    .page-678win-dangnhap {
        font-family: 'Arial', sans-serif;
        line-height: 1.6;
        color: var(--text-dark);
        background-color: var(--background-light);
    }

    .page-678win-dangnhap__section {
        padding: calc(4 * var(--spacing-unit)) calc(2 * var(--spacing-unit));
        margin-bottom: calc(3 * var(--spacing-unit));
        background-color: #fff;
        border-radius: 8px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-678win-dangnhap__section--dark {
        background-color: var(--background-dark);
        color: var(--text-light);
    }

    .page-678win-dangnhap__section-title {
        font-size: 2.5em;
        color: var(--primary-color);
        text-align: center;
        margin-bottom: calc(4 * var(--spacing-unit));
        font-weight: bold;
    }
    
    .page-678win-dangnhap__section--dark .page-678win-dangnhap__section-title {
        color: var(--accent-color);
    }

    .page-678win-dangnhap__container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 calc(2 * var(--spacing-unit));
    }

    /* Hero Section */
    .page-678win-dangnhap__hero-section {
        background: linear-gradient(135deg, #1a1a1a, #333333);
        color: var(--text-light);
        text-align: center;
        padding: calc(10 * var(--spacing-unit)) calc(2 * var(--spacing-unit)) calc(8 * var(--spacing-unit));
        border-radius: 0 0 15px 15px;
        margin-bottom: calc(4 * var(--spacing-unit));
        position: relative;
        overflow: hidden;
        padding-top: 10px; /* Small decorative padding-top, assuming body padding is handled */
    }

    .page-678win-dangnhap__hero-content {
        position: relative;
        z-index: 2;
        max-width: 900px;
        margin: 0 auto;
    }

    .page-678win-dangnhap__hero-title {
        font-size: 3.5em;
        margin-bottom: calc(2 * var(--spacing-unit));
        color: var(--accent-color);
        line-height: 1.2;
        font-weight: bold;
    }

    .page-678win-dangnhap__hero-subtitle {
        font-size: 1.5em;
        margin-bottom: calc(4 * var(--spacing-unit));
        color: #ddd;
    }

    .page-678win-dangnhap__hero-button {
        display: inline-block;
        background-color: var(--button-bg);
        color: var(--text-light);
        padding: calc(1.5 * var(--spacing-unit)) calc(3 * var(--spacing-unit));
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.2em;
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
    }

    .page-678win-dangnhap__hero-button:hover {
        background-color: var(--button-hover-bg);
        transform: translateY(-2px);
    }

    /* Image Section */
    .page-678win-dangnhap__image-section {
        text-align: center;
        padding: calc(4 * var(--spacing-unit)) calc(2 * var(--spacing-unit));
        margin-bottom: calc(3 * var(--spacing-unit));
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-678win-dangnhap__image-wrapper {
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
        border-radius: 12px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        background-color: #fff;
        padding: 15px;
    }

    .page-678win-dangnhap__responsive-image {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: 8px;
    }

    /* How to Login Section */
    .page-678win-dangnhap__steps-list {
        list-style: none;
        padding: 0;
        display: flex;
        flex-wrap: wrap;
        gap: calc(3 * var(--spacing-unit));
        justify-content: center;
    }

    .page-678win-dangnhap__step-item {
        background-color: #fdfdfd;
        border: 1px solid #eee;
        border-radius: 10px;
        padding: calc(3 * var(--spacing-unit));
        text-align: center;
        flex: 1 1 calc(30% - 20px); /* Approx 3 items per row, adjusted for gap */
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        box-sizing: border-box; /* Crucial for responsive list items */
        min-width: 280px; /* Ensure items don't get too small */
    }

    .page-678win-dangnhap__step-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .page-678win-dangnhap__step-number {
        font-size: 2.5em;
        font-weight: bold;
        color: var(--primary-color);
        margin-bottom: var(--spacing-unit);
    }

    .page-678win-dangnhap__step-title {
        font-size: 1.4em;
        color: var(--secondary-color);
        margin-bottom: var(--spacing-unit);
        font-weight: bold;
    }

    .page-678win-dangnhap__step-description {
        font-size: 1em;
        color: #555;
    }

    /* Game Categories Section */
    .page-678win-dangnhap__game-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: calc(2 * var(--spacing-unit));
    }

    .page-678win-dangnhap__game-card {
        background-color: var(--background-dark);
        color: var(--text-light);
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: center;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .page-678win-dangnhap__game-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    .page-678win-dangnhap__game-image-container {
        width: 100%;
        height: 200px; /* Fixed height for consistency */
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
        background-color: #000;
    }

    .page-678win-dangnhap__game-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .page-678win-dangnhap__game-info {
        padding: calc(2 * var(--spacing-unit));
    }

    .page-678win-dangnhap__game-title {
        font-size: 1.3em;
        font-weight: bold;
        margin-bottom: var(--spacing-unit);
        color: var(--accent-color);
    }

    .page-678win-dangnhap__game-description {
        font-size: 0.95em;
        color: #ccc;
    }
    
    .page-678win-dangnhap__game-button {
        display: inline-block;
        background-color: var(--primary-color);
        color: var(--text-light);
        padding: calc(1 * var(--spacing-unit)) calc(2 * var(--spacing-unit));
        border-radius: 25px;
        text-decoration: none;
        font-weight: bold;
        margin-top: calc(2 * var(--spacing-unit));
        transition: background-color 0.3s ease;
        border: none;
        cursor: pointer;
    }

    .page-678win-dangnhap__game-button:hover {
        background-color: var(--button-hover-bg);
    }

    /* Promotions Section */
    .page-678win-dangnhap__promo-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: calc(3 * var(--spacing-unit));
    }

    .page-678win-dangnhap__promo-card {
        background-color: #fdfdfd;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        box-sizing: border-box;
    }

    .page-678win-dangnhap__promo-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-678win-dangnhap__promo-image-container {
        width: 100%;
        height: 220px;
        overflow: hidden;
        background-color: #eee;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .page-678win-dangnhap__promo-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .page-678win-dangnhap__promo-content {
        padding: calc(2 * var(--spacing-unit));
        text-align: center;
    }

    .page-678win-dangnhap__promo-title {
        font-size: 1.5em;
        color: var(--primary-color);
        margin-bottom: var(--spacing-unit);
        font-weight: bold;
    }

    .page-678win-dangnhap__promo-description {
        font-size: 1em;
        color: #666;
        margin-bottom: calc(2 * var(--spacing-unit));
    }

    .page-678win-dangnhap__promo-button {
        display: inline-block;
        background-color: var(--primary-color);
        color: var(--text-light);
        padding: calc(1.2 * var(--spacing-unit)) calc(2.5 * var(--spacing-unit));
        border-radius: 30px;
        text-decoration: none;
        font-weight: bold;
        transition: background-color 0.3s ease;
        border: none;
        cursor: pointer;
    }

    .page-678win-dangnhap__promo-button:hover {
        background-color: var(--button-hover-bg);
    }

    /* Payment Methods Section */
    .page-678win-dangnhap__payment-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: calc(2 * var(--spacing-unit));
        justify-items: center;
        align-items: center;
    }

    .page-678win-dangnhap__payment-item {
        background-color: #fdfdfd;
        border-radius: 8px;
        padding: calc(1.5 * var(--spacing-unit));
        text-align: center;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        box-sizing: border-box;
        width: 100%; /* Ensure it takes full grid column width */
        max-width: 180px; /* Max width for individual items */
    }

    .page-678win-dangnhap__payment-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    .page-678win-dangnhap__payment-logo {
        max-width: 100px;
        height: auto;
        display: block;
        margin: 0 auto var(--spacing-unit);
    }

    .page-678win-dangnhap__payment-name {
        font-weight: bold;
        color: var(--secondary-color);
        font-size: 0.95em;
    }

    /* FAQ Section */
    .page-678win-dangnhap__faq-section {
        padding: calc(4 * var(--spacing-unit)) calc(2 * var(--spacing-unit));
        background-color: var(--background-light);
        color: var(--text-dark);
        border-radius: 8px;
        margin-top: calc(3 * var(--spacing-unit));
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-678win-dangnhap__faq-container {
        max-width: 900px;
        margin: 0 auto;
    }

    .page-678win-dangnhap__faq-item {
        background-color: #fff;
        border: 1px solid #ddd;
        border-radius: 8px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    }

    .page-678win-dangnhap__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        cursor: pointer;
        background-color: #e0e0e0;
        font-weight: bold;
        color: var(--secondary-color);
        user-select: none;
        transition: background-color 0.3s ease;
    }

    .page-678win-dangnhap__faq-question:hover {
        background-color: #d0d0d0;
    }

    .page-678win-dangnhap__faq-question h3 {
        margin: 0;
        font-size: 1.1em;
        color: var(--secondary-color);
        pointer-events: none; /* Crucial for click event */
    }

    .page-678win-dangnhap__faq-toggle {
        font-size: 1.5em;
        line-height: 1;
        transition: transform 0.3s ease;
        pointer-events: none; /* Crucial for click event */
        color: #555;
    }

    .page-678win-dangnhap__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 20px;
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        background-color: #fdfdfd;
        color: #555;
    }

    .page-678win-dangnhap__faq-answer p {
        margin-top: 0;
        margin-bottom: 15px;
        line-height: 1.6;
    }

    .page-678win-dangnhap__faq-item.active .page-678win-dangnhap__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 20px !important;
        opacity: 1;
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
        .page-678win-dangnhap__hero-title {
            font-size: 3em;
        }
        .page-678win-dangnhap__hero-subtitle {
            font-size: 1.3em;
        }
        .page-678win-dangnhap__section-title {
            font-size: 2em;
        }
        .page-678win-dangnhap__step-item {
            flex: 1 1 calc(45% - 20px); /* 2 items per row */
        }
    }

    @media (max-width: 768px) {
        .page-678win-dangnhap__hero-section {
            padding: calc(6 * var(--spacing-unit)) calc(1.5 * var(--spacing-unit)) calc(5 * var(--spacing-unit));
        }
        .page-678win-dangnhap__hero-title {
            font-size: 2.2em;
        }
        .page-678win-dangnhap__hero-subtitle {
            font-size: 1.1em;
        }
        .page-678win-dangnhap__hero-button {
            padding: calc(1.2 * var(--spacing-unit)) calc(2.5 * var(--spacing-unit));
            font-size: 1.1em;
        }
        .page-678win-dangnhap__section {
            padding: calc(3 * var(--spacing-unit)) var(--spacing-unit);
            margin-bottom: calc(2 * var(--spacing-unit));
        }
        .page-678win-dangnhap__section-title {
            font-size: 1.8em;
            margin-bottom: calc(3 * var(--spacing-unit));
        }
        .page-678win-dangnhap__container {
            padding: 0 var(--spacing-unit);
        }
        .page-678win-dangnhap__step-item,
        .page-678win-dangnhap__promo-card,
        .page-678win-dangnhap__game-card,
        .page-678win-dangnhap__payment-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }
        .page-678win-dangnhap__steps-list,
        .page-678win-dangnhap__game-grid,
        .page-678win-dangnhap__promo-grid,
        .page-678win-dangnhap__payment-grid {
            grid-template-columns: 1fr;
            gap: calc(1.5 * var(--spacing-unit));
            padding: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
        }
        .page-678win-dangnhap__faq-question {
            padding: 12px 15px;
        }
        .page-678win-dangnhap__faq-question h3 {
            font-size: 1em;
        }
        .page-678win-dangnhap__faq-answer {
            padding: 0 15px;
        }
        .page-678win-dangnhap__faq-item.active .page-678win-dangnhap__faq-answer {
            padding: 15px 15px !important;
        }
        .page-678win-dangnhap__responsive-image {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }
        .page-678win-dangnhap__image-wrapper {
            padding: 10px;
        }
    }