:root {
        --primary-color: #e44d26; /* Màu đỏ cam rực rỡ */
        --secondary-color: #f7b731; /* Màu vàng cam bổ sung */
        --dark-bg: #1a1a2e; /* Nền tối cho cảm giác cao cấp */
        --light-text: #ffffff;
        --gray-text: #cccccc;
        --border-color: #33334f;
        --button-hover-bg: #ff6f4a;
        --header-offset: 122px; /* Giá trị mặc định, sẽ được ghi đè bởi shared.css */
    }

    body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        margin: 0;
        padding: 0;
        background-color: var(--dark-bg);
        color: var(--light-text);
        line-height: 1.6;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        padding-top: var(--header-offset); /* Đảm bảo nội dung nằm dưới header */
    }

    .page-5mb {
        max-width: 1200px;
        margin: 0 auto;
        padding: 10px 15px; /* Khoảng đệm nhỏ ở trên cùng cho mục đích trang trí */
        box-sizing: border-box;
    }

    .page-5mb__brand-header {
        text-align: center;
        padding: 20px 0;
        background: linear-gradient(to right, var(--dark-bg), #2a2a4a, var(--dark-bg));
        margin-bottom: 20px;
        border-bottom: 2px solid var(--primary-color);
    }

    .page-5mb__brand-title {
        color: var(--primary-color);
        font-size: 2.8em;
        margin: 0;
        font-weight: 700;
        letter-spacing: 1px;
        text-shadow: 0 0 10px rgba(228, 77, 38, 0.6);
    }

    .page-5mb__hero-section {
        position: relative;
        text-align: center;
        color: var(--light-text);
        margin-bottom: 40px;
        padding: 20px;
        border-radius: 10px;
        overflow: hidden;
        background-color: #2a2a4a;
    }

    .page-5mb__hero-image {
        width: 100%;
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        margin-bottom: 20px;
        display: block;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
        object-fit: cover;
    }

    .page-5mb__hero-content {
        position: relative;
        z-index: 1;
        padding: 15px;
        background: rgba(0, 0, 0, 0.4);
        border-radius: 8px;
        margin-top: -20px; /* Hơi chồng lên ảnh để tạo hiệu ứng thiết kế */
    }

    .page-5mb__hero-title {
        font-size: 2.5em;
        margin-bottom: 10px;
        color: var(--secondary-color);
        text-shadow: 0 2px 5px rgba(0, 0, 0, 0.7);
    }

    .page-5mb__hero-description {
        font-size: 1.1em;
        margin-bottom: 20px;
        color: var(--gray-text);
    }

    .page-5mb__cta-buttons {
        display: flex;
        justify-content: center;
        gap: 15px;
        margin-top: 20px;
    }

    .page-5mb__button {
        background-color: var(--primary-color);
        color: var(--light-text);
        padding: 12px 25px;
        border: none;
        border-radius: 25px;
        font-size: 1.1em;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        text-decoration: none;
        display: inline-block;
        font-weight: bold;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-5mb__button:hover {
        background-color: var(--button-hover-bg);
        transform: translateY(-2px);
    }

    .page-5mb__section {
        background-color: #2a2a4a;
        padding: 30px;
        margin-bottom: 30px;
        border-radius: 10px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    .page-5mb__section-title {
        text-align: center;
        color: var(--secondary-color);
        font-size: 2em;
        margin-bottom: 25px;
        border-bottom: 2px solid var(--primary-color);
        padding-bottom: 10px;
        display: inline-block;
        width: auto;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .page-5mb__section-subtitle {
        text-align: center;
        color: var(--light-text);
        font-size: 1.5em;
        margin-top: 30px;
        margin-bottom: 20px;
    }

    .page-5mb__grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        justify-content: center;
        align-items: stretch;
    }

    .page-5mb__card {
        background-color: #33334f;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        border: 1px solid var(--border-color);
    }

    .page-5mb__card:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }

    .page-5mb__card-image-container {
        width: 100%;
        height: 200px;
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
        background-color: #1a1a2e;
    }

    .page-5mb__card-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
        transition: transform 0.3s ease;
    }

    .page-5mb__card:hover .page-5mb__card-image {
        transform: scale(1.05);
    }

    .page-5mb__card-content {
        padding: 20px;
        flex-grow: 1;
    }

    .page-5mb__card-title {
        font-size: 1.4em;
        color: var(--secondary-color);
        margin-bottom: 10px;
        text-align: center;
    }

    .page-5mb__card-description {
        font-size: 0.95em;
        color: var(--gray-text);
        text-align: center;
    }

    .page-5mb__text-content {
        font-size: 1.1em;
        color: var(--gray-text);
        margin-bottom: 20px;
        text-align: center;
    }

    .page-5mb__list {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .page-5mb__list-item {
        background-color: #33334f;
        padding: 15px 20px;
        border-radius: 8px;
        border-left: 4px solid var(--primary-color);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        color: var(--light-text);
        font-size: 1em;
        display: flex;
        align-items: center;
        gap: 10px;
        box-sizing: border-box; /* Quan trọng cho khả năng phản hồi di động */
    }

    .page-5mb__list-item::before {
        content: "✓";
        color: var(--secondary-color);
        font-weight: bold;
        font-size: 1.2em;
    }

    .page-5mb__payment-providers-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
        justify-content: center;
        align-items: center;
    }

    .page-5mb__logo-item {
        background-color: #33334f;
        padding: 15px;
        border-radius: 8px;
        text-align: center;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease;
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100px; /* Chiều cao cố định cho logo */
        box-sizing: border-box;
    }

    .page-5mb__logo-item:hover {
        transform: translateY(-3px);
    }

    .page-5mb__logo-image {
        max-width: 90%;
        max-height: 70px; /* Điều chỉnh chiều cao tối đa cho logo */
        height: auto;
        object-fit: contain;
        display: block;
    }

    .page-5mb__faq-section {
        margin-top: 40px;
    }

    .page-5mb__faq-item {
        background-color: #33334f;
        margin-bottom: 15px;
        border-radius: 8px;
        overflow: hidden;
        border: 1px solid var(--border-color);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-5mb__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        background-color: #2a2a4a;
        color: var(--light-text);
        cursor: pointer;
        user-select: none;
        font-size: 1.1em;
        font-weight: bold;
        transition: background-color 0.3s ease;
    }

    .page-5mb__faq-question:hover {
        background-color: #3e3e5c;
    }

    .page-5mb__faq-question h3 {
        margin: 0;
        font-size: 1.1em;
        color: var(--secondary-color);
        pointer-events: none; /* Ngăn h3 chặn sự kiện click */
    }

    .page-5mb__faq-toggle {
        font-size: 1.5em;
        font-weight: bold;
        color: var(--primary-color);
        pointer-events: none; /* Ngăn biểu tượng toggle chặn sự kiện click */
        transition: transform 0.3s ease;
    }

    .page-5mb__faq-item.active .page-5mb__faq-toggle {
        transform: rotate(45deg); /* Thay đổi '+' thành 'X' hoặc tương tự */
    }

    .page-5mb__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 20px;
        color: var(--gray-text);
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        opacity: 0;
        font-size: 0.95em;
        box-sizing: border-box;
    }

    .page-5mb__faq-item.active .page-5mb__faq-answer {
        max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
        padding: 20px !important;
        opacity: 1;
    }

    .page-5mb__floating-buttons {
        position: fixed;
        bottom: 20px;
        right: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 1000;
    }

    .page-5mb__floating-button {
        background-color: var(--primary-color);
        color: var(--light-text);
        padding: 10px 20px;
        border: none;
        border-radius: 25px;
        font-size: 1em;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        text-decoration: none;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        min-width: 120px; /* Đảm bảo nút đủ rộng */
    }

    .page-5mb__floating-button:hover {
        background-color: var(--button-hover-bg);
        transform: translateY(-2px);
    }

    /* Thiết kế đáp ứng */
    @media (max-width: 768px) {
        .page-5mb {
            padding: 10px;
        }

        .page-5mb__brand-title {
            font-size: 2em;
        }

        .page-5mb__hero-title {
            font-size: 1.8em;
        }

        .page-5mb__hero-description {
            font-size: 1em;
        }

        .page-5mb__cta-buttons {
            flex-direction: column;
            gap: 10px;
        }

        .page-5mb__button {
            width: 100%;
            padding: 10px 15px;
            font-size: 1em;
            box-sizing: border-box;
        }

        .page-5mb__section {
            padding: 20px;
        }

        .page-5mb__section-title {
            font-size: 1.6em;
            padding-bottom: 8px;
        }

        .page-5mb__grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .page-5mb__card-title {
            font-size: 1.2em;
        }

        .page-5mb__card-description {
            font-size: 0.9em;
        }

        .page-5mb__list {
            grid-template-columns: 1fr;
            gap: 15px;
        }

        .page-5mb__list-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            padding: 12px 15px !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-5mb__payment-providers-grid {
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 15px;
        }

        .page-5mb__logo-item {
            height: 80px;
            padding: 10px;
        }

        .page-5mb__logo-image {
            max-height: 60px;
        }

        .page-5mb__faq-question {
            padding: 12px 15px;
            font-size: 1em;
        }

        .page-5mb__faq-question h3 {
            font-size: 1em;
        }

        .page-5mb__faq-answer {
            padding: 0 15px;
        }

        .page-5mb__faq-item.active .page-5mb__faq-answer {
            padding: 15px !important;
        }

        .page-5mb__floating-buttons {
            bottom: 15px;
            right: 15px;
            gap: 8px;
        }

        .page-5mb__floating-button {
            padding: 8px 15px;
            font-size: 0.9em;
            min-width: 100px;
        }

        /* Hình ảnh đáp ứng */
        .page-5mb img {
            max-width: 100% !important;
            height: auto !important;
            box-sizing: border-box !important;
        }
        .page-5mb__card-image-container, .page-5mb__logo-item {
            width: 100% !important;
            max-width: 100% !important;
            overflow: hidden !important;
            box-sizing: border-box !important;
        }
    }

    @media (max-width: 480px) {
        .page-5mb__brand-title {
            font-size: 1.8em;
        }
        .page-5mb__hero-title {
            font-size: 1.5em;
        }
        .page-5mb__section-title {
            font-size: 1.4em;
        }
    }