/* Reset và biến cơ bản */
    :root {
        --primary-color: #e44d26; /* Màu cam đỏ */
        --secondary-color: #f7b731; /* Màu vàng cam */
        --accent-color: #4CAF50; /* Màu xanh lá */
        --dark-bg: #1a1a1a;
        --light-text: #ffffff;
        --gray-text: #cccccc;
        --border-color: #333333;
        --button-hover-bg: #c0392b;
        --padding-section: 40px 20px;
        --padding-section-mobile: 20px 15px;
    }

    /* Đảm bảo box-sizing cho tất cả các phần tử */
    .page-55win-ng-nh-p * {
        box-sizing: border-box;
    }

    /* Căn chỉnh nội dung chính */
    .page-55win-ng-nh-p {
        font-family: 'Arial', sans-serif;
        color: var(--light-text);
        background-color: var(--dark-bg);
        line-height: 1.6;
        padding-top: 10px; /* Dành cho khoảng cách với header cố định, nếu body đã có padding-top */
    }

    /* Tiêu đề chính H1 */
    .page-55win-ng-nh-p__h1 {
        text-align: center;
        color: var(--secondary-color);
        font-size: 2.5em;
        margin-bottom: 20px;
        padding: 10px 0;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        background-color: #222222;
        border-bottom: 2px solid var(--primary-color);
    }
    @media (max-width: 768px) {
        .page-55win-ng-nh-p__h1 {
            font-size: 1.8em;
            padding: 5px 0;
        }
    }

    /* Phần hero/banner */
    .page-55win-ng-nh-p__hero-section {
        position: relative;
        width: 100%;
        overflow: hidden;
        margin-bottom: 30px;
    }

    .page-55win-ng-nh-p__hero-image {
        width: 100%;
        height: auto;
        display: block;
        object-fit: cover;
        max-height: 500px;
        filter: brightness(0.7); /* Làm tối hình ảnh để chữ nổi bật hơn */
    }
    @media (max-width: 768px) {
        .page-55win-ng-nh-p__hero-image {
            max-height: 300px;
        }
    }

    .page-55win-ng-nh-p__hero-content {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
        color: var(--light-text);
        z-index: 10;
        width: 90%;
        max-width: 800px;
    }

    .page-55win-ng-nh-p__hero-title {
        font-size: 3em;
        margin-bottom: 10px;
        text-shadow: 3px 3px 6px rgba(0,0,0,0.7);
        color: var(--secondary-color);
    }

    .page-55win-ng-nh-p__hero-description {
        font-size: 1.2em;
        margin-bottom: 20px;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.6);
    }

    .page-55win-ng-nh-p__hero-buttons {
        display: flex;
        justify-content: center;
        gap: 20px;
    }

    @media (max-width: 768px) {
        .page-55win-ng-nh-p__hero-title {
            font-size: 2em;
        }
        .page-55win-ng-nh-p__hero-description {
            font-size: 1em;
        }
        .page-55win-ng-nh-p__hero-buttons {
            flex-direction: column;
            gap: 10px;
        }
    }

    /* Nút nổi Đăng Ký / Đăng Nhập */
    .page-55win-ng-nh-p__floating-buttons {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        gap: 15px;
        z-index: 1000;
        width: 90%;
        max-width: 400px;
        justify-content: center;
    }

    .page-55win-ng-nh-p__floating-button {
        flex: 1;
        padding: 12px 25px;
        border-radius: 50px;
        font-size: 1.1em;
        font-weight: bold;
        text-align: center;
        text-decoration: none;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        border: none;
    }

    .page-55win-ng-nh-p__floating-button--register {
        background-color: var(--accent-color); /* Màu xanh lá */
        color: var(--light-text);
    }

    .page-55win-ng-nh-p__floating-button--register:hover {
        background-color: #449d44;
        transform: translateY(-2px);
    }

    .page-55win-ng-nh-p__floating-button--login {
        background-color: var(--primary-color); /* Màu cam đỏ */
        color: var(--light-text);
    }

    .page-55win-ng-nh-p__floating-button--login:hover {
        background-color: var(--button-hover-bg);
        transform: translateY(-2px);
    }

    @media (max-width: 768px) {
        .page-55win-ng-nh-p__floating-buttons {
            bottom: 15px;
            gap: 10px;
            width: 95%;
        }
        .page-55win-ng-nh-p__floating-button {
            padding: 10px 15px;
            font-size: 1em;
        }
    }

    /* Các phần nội dung chung */
    .page-55win-ng-nh-p__section {
        padding: var(--padding-section);
        max-width: 1200px;
        margin: 0 auto 30px auto;
        background-color: #222222;
        border-radius: 8px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-55win-ng-nh-p__section-title {
        color: var(--secondary-color);
        font-size: 2em;
        text-align: center;
        margin-bottom: 25px;
        text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
    }

    .page-55win-ng-nh-p__text-content {
        font-size: 1.1em;
        color: var(--gray-text);
        margin-bottom: 20px;
        text-align: justify;
    }

    .page-55win-ng-nh-p__text-content p {
        margin-bottom: 15px;
    }

    .page-55win-ng-nh-p__text-content strong {
        color: var(--light-text);
    }

    @media (max-width: 768px) {
        .page-55win-ng-nh-p__section {
            padding: var(--padding-section-mobile);
            margin-bottom: 20px;
        }
        .page-55win-ng-nh-p__section-title {
            font-size: 1.6em;
            margin-bottom: 15px;
        }
        .page-55win-ng-nh-p__text-content {
            font-size: 1em;
        }
    }

    /* Danh mục trò chơi / Hiển thị sản phẩm */
    .page-55win-ng-nh-p__game-categories {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-55win-ng-nh-p__game-card {
        background-color: #333333;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
    }

    .page-55win-ng-nh-p__game-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
    }

    .page-55win-ng-nh-p__game-card-image-wrapper {
        width: 100%;
        overflow: hidden;
        height: 200px; /* Fixed height for consistency */
    }

    .page-55win-ng-nh-p__game-card-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
        transition: transform 0.3s ease;
    }

    .page-55win-ng-nh-p__game-card:hover .page-55win-ng-nh-p__game-card-image {
        transform: scale(1.05);
    }

    .page-55win-ng-nh-p__game-card-title {
        font-size: 1.4em;
        color: var(--secondary-color);
        padding: 15px 10px;
        margin: 0;
        background-color: #333333;
        width: 100%;
    }

    @media (max-width: 768px) {
        .page-55win-ng-nh-p__game-categories {
            grid-template-columns: 1fr;
            gap: 15px;
        }
        .page-55win-ng-nh-p__game-card-image-wrapper {
            height: 180px;
        }
        .page-55win-ng-nh-p__game-card-title {
            font-size: 1.2em;
            padding: 10px;
        }
    }

    /* Các bước hướng dẫn */
    .page-55win-ng-nh-p__steps-list {
        display: flex;
        flex-direction: column;
        gap: 20px;
        margin-top: 30px;
    }

    .page-55win-ng-nh-p__step-item {
        background-color: #333333;
        border-left: 5px solid var(--primary-color);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        display: flex;
        align-items: flex-start;
        gap: 15px;
    }

    .page-55win-ng-nh-p__step-number {
        font-size: 1.8em;
        font-weight: bold;
        color: var(--secondary-color);
        flex-shrink: 0;
        line-height: 1;
    }

    .page-55win-ng-nh-p__step-content h3 {
        color: var(--light-text);
        margin-top: 0;
        margin-bottom: 10px;
        font-size: 1.3em;
    }

    .page-55win-ng-nh-p__step-content p {
        color: var(--gray-text);
        margin-bottom: 0;
    }

    @media (max-width: 768px) {
        .page-55win-ng-nh-p__step-item {
            padding: 15px;
            gap: 10px;
        }
        .page-55win-ng-nh-p__step-number {
            font-size: 1.5em;
        }
        .page-55win-ng-nh-p__step-content h3 {
            font-size: 1.1em;
        }
        .page-55win-ng-nh-p__step-content p {
            font-size: 0.9em;
        }
    }

    /* Danh sách tính năng/lợi ích */
    .page-55win-ng-nh-p__feature-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }

    .page-55win-ng-nh-p__feature-item {
        background-color: #333333;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        text-align: center;
        transition: background-color 0.3s ease;
    }

    .page-55win-ng-nh-p__feature-item:hover {
        background-color: #444444;
    }

    .page-55win-ng-nh-p__feature-icon-wrapper {
        margin-bottom: 15px;
        display: inline-block;
        background-color: var(--primary-color);
        border-radius: 50%;
        padding: 15px;
        line-height: 0;
        box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    }

    .page-55win-ng-nh-p__feature-icon {
        width: 60px; /* Base size for icon, actual image will be 200x200 or larger */
        height: 60px;
        display: block;
        margin: 0 auto;
    }

    .page-55win-ng-nh-p__feature-title {
        color: var(--secondary-color);
        font-size: 1.2em;
        margin-bottom: 10px;
    }

    .page-55win-ng-nh-p__feature-description {
        color: var(--gray-text);
        font-size: 0.95em;
    }

    @media (max-width: 768px) {
        .page-55win-ng-nh-p__feature-list {
            grid-template-columns: 1fr;
            gap: 15px;
        }
        .page-55win-ng-nh-p__feature-icon-wrapper {
            padding: 10px;
        }
        .page-55win-ng-nh-p__feature-icon {
            width: 50px;
            height: 50px;
        }
        .page-55win-ng-nh-p__feature-title {
            font-size: 1.1em;
        }
        .page-55win-ng-nh-p__feature-description {
            font-size: 0.9em;
        }
    }

    /* Phần FAQ */
    .page-55win-ng-nh-p__faq-section {
        padding: var(--padding-section);
        max-width: 1000px;
        margin: 0 auto 30px auto;
        background-color: #222222;
        border-radius: 8px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-55win-ng-nh-p__faq-title {
        color: var(--secondary-color);
        font-size: 2em;
        text-align: center;
        margin-bottom: 25px;
        text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
    }

    .page-55win-ng-nh-p__faq-item {
        margin-bottom: 15px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        overflow: hidden;
    }

    .page-55win-ng-nh-p__faq-question {
        background-color: #333333;
        padding: 15px 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        user-select: none;
        transition: background-color 0.3s ease;
    }

    .page-55win-ng-nh-p__faq-question:hover {
        background-color: #444444;
    }

    .page-55win-ng-nh-p__faq-question h3 {
        color: var(--light-text);
        margin: 0;
        font-size: 1.15em;
        pointer-events: none; /* Ngăn h3 chặn sự kiện click */
    }

    .page-55win-ng-nh-p__faq-toggle {
        font-size: 1.8em;
        font-weight: bold;
        color: var(--secondary-color);
        transition: transform 0.3s ease;
        pointer-events: none; /* Ngăn nút toggle chặn sự kiện click */
    }

    .page-55win-ng-nh-p__faq-item.active .page-55win-ng-nh-p__faq-toggle {
        transform: rotate(45deg); /* Xoay dấu + thành X, hoặc thay đổi thành - */
    }

    .page-55win-ng-nh-p__faq-answer {
        background-color: #2a2a2a;
        max-height: 0;
        overflow: hidden;
        padding: 0 20px; /* Padding ban đầu 0 */
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        color: var(--gray-text);
        font-size: 0.95em;
        opacity: 0;
    }

    .page-55win-ng-nh-p__faq-item.active .page-55win-ng-nh-p__faq-answer {
        max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
        padding: 20px !important; /* Padding khi mở rộng */
        opacity: 1;
    }

    @media (max-width: 768px) {
        .page-55win-ng-nh-p__faq-section {
            padding: var(--padding-section-mobile);
            margin-bottom: 20px;
        }
        .page-55win-ng-nh-p__faq-title {
            font-size: 1.6em;
            margin-bottom: 15px;
        }
        .page-55win-ng-nh-p__faq-question {
            padding: 12px 15px;
        }
        .page-55win-ng-nh-p__faq-question h3 {
            font-size: 1em;
        }
        .page-55win-ng-nh-p__faq-toggle {
            font-size: 1.5em;
        }
        .page-55win-ng-nh-p__faq-answer {
            padding: 0 15px; /* Padding ban đầu 0 */
            font-size: 0.9em;
        }
        .page-55win-ng-nh-p__faq-item.active .page-55win-ng-nh-p__faq-answer {
            padding: 15px !important; /* Padding khi mở rộng */
        }
    }

    /* Call to Action */
    .page-55win-ng-nh-p__cta-section {
        text-align: center;
        background-color: var(--primary-color);
        color: var(--light-text);
        padding: var(--padding-section);
        border-radius: 8px;
        max-width: 1200px;
        margin: 0 auto 30px auto;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-55win-ng-nh-p__cta-title {
        font-size: 2.2em;
        margin-bottom: 15px;
        color: var(--light-text);
        text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
    }

    .page-55win-ng-nh-p__cta-description {
        font-size: 1.1em;
        margin-bottom: 30px;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-55win-ng-nh-p__cta-button {
        display: inline-block;
        background-color: var(--secondary-color);
        color: var(--dark-bg);
        padding: 15px 35px;
        border-radius: 50px;
        text-decoration: none;
        font-size: 1.2em;
        font-weight: bold;
        transition: background-color 0.3s ease, transform 0.2s ease;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        border: none;
        cursor: pointer;
    }

    .page-55win-ng-nh-p__cta-button:hover {
        background-color: #f0a817;
        transform: translateY(-3px);
    }

    @media (max-width: 768px) {
        .page-55win-ng-nh-p__cta-section {
            padding: var(--padding-section-mobile);
            margin-bottom: 20px;
        }
        .page-55win-ng-nh-p__cta-title {
            font-size: 1.8em;
        }
        .page-55win-ng-nh-p__cta-description {
            font-size: 1em;
            margin-bottom: 20px;
        }
        .page-55win-ng-nh-p__cta-button {
            padding: 12px 25px;
            font-size: 1.1em;
        }
    }

    /* Global responsive image styles (for all images on the page) */
    .page-55win-ng-nh-p img {
        max-width: 100%;
        height: auto;
        display: block; /* Loại bỏ khoảng trắng thừa bên dưới hình ảnh */
    }

    /* Đảm bảo các container hình ảnh có tính phản hồi */
    .page-55win-ng-nh-p .page-55win-ng-nh-p__game-card-image-wrapper,
    .page-55win-ng-nh-p .page-55win-ng-nh-p__feature-icon-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    /* Phong cách di động cụ thể cho danh sách và hình ảnh */
    @media (max-width: 768px) {
        .page-55win-ng-nh-p .page-55win-ng-nh-p__game-categories,
        .page-55win-ng-nh-p .page-55win-ng-nh-p__steps-list,
        .page-55win-ng-nh-p .page-55win-ng-nh-p__feature-list {
            padding: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
        }

        .page-55win-ng-nh-p .page-55win-ng-nh-p__game-card,
        .page-55win-ng-nh-p .page-55win-ng-nh-p__step-item,
        .page-55win-ng-nh-p .page-55win-ng-nh-p__feature-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-55win-ng-nh-p img {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }
    }