.page-download-center-download-guide {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

.page-download-center-download-guide__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-download-center-download-guide__hero-section {
    background: linear-gradient(135deg, #FFD700 0%, #000080 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-download-center-download-guide__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download-center-download-guide__hero-description {
    font-size: 1.2em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-download-center-download-guide__btn {
    display: inline-block;
    padding: 15px 30px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    margin-top: 20px;
}

.page-download-center-download-guide__btn--primary {
    background-color: #FFD700;
    color: #000080;
    border: 2px solid #FFD700;
}

.page-download-center-download-guide__btn--primary:hover {
    background-color: #e6c200;
    transform: translateY(-3px);
}

.page-download-center-download-guide__btn--secondary {
    background-color: #000080;
    color: #FFD700;
    border: 2px solid #FFD700;
}

.page-download-center-download-guide__btn--secondary:hover {
    background-color: #000066;
    transform: translateY(-3px);
}

.page-download-center-download-guide__btn--inline {
    padding: 10px 20px;
    font-size: 1em;
    margin-top: 15px;
}

.page-download-center-download-guide__hero-image-wrapper {
    margin-top: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.page-download-center-download-guide__hero-image {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.page-download-center-download-guide__why-download-section,
.page-download-center-download-guide__download-guide-section,
.page-download-center-download-guide__registration-login-section,
.page-download-center-download-guide__troubleshooting-section,
.page-download-center-download-guide__safety-section,
.page-download-center-download-guide__final-cta-section {
    padding: 60px 0;
    background-color: #fff;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.page-download-center-download-guide__why-download-section {
    background-color: #f9f9f9;
}

.page-download-center-download-guide__download-guide-section--ios {
    background-color: #f9f9f9;
}

.page-download-center-download-guide__section-title {
    font-size: 2.5em;
    color: #000080;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.page-download-center-download-guide__section-title::after {
    content: '';
    width: 80px;
    height: 4px;
    background-color: #FFD700;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.page-download-center-download-guide__features-grid,
.page-download-center-download-guide__info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-download-center-download-guide__feature-item,
.page-download-center-download-guide__info-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-download-center-download-guide__feature-item:hover,
.page-download-center-download-guide__info-item:hover {
    transform: translateY(-5px);
}

.page-download-center-download-guide__feature-title,
.page-download-center-download-guide__info-title {
    font-size: 1.5em;
    color: #000080;
    margin-bottom: 15px;
}

.page-download-center-download-guide__step-by-step {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    counter-reset: step-counter;
}

.page-download-center-download-guide__step-item {
    background-color: #fefefe;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
    padding-left: 80px;
    border-left: 5px solid #FFD700;
}

.page-download-center-download-guide__step-item::before {
    counter-increment: step-counter;
    content: "Bước " counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background-color: #FFD700;
    color: #000080;
    padding: 8px 15px;
    border-radius: 10px 0 10px 0;
    font-weight: bold;
    font-size: 1.1em;
}

.page-download-center-download-guide__step-title {
    font-size: 1.6em;
    color: #000080;
    margin-bottom: 10px;
}

.page-download-center-download-guide__step-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 8px;
    margin-top: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-download-center-download-guide__image-wrapper {
    margin-top: 40px;
    text-align: center;
}

.page-download-center-download-guide__image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.page-download-center-download-guide__faq-list {
    display: grid;
    gap: 20px;
}

.page-download-center-download-guide__faq-item {
    background-color: #fefefe;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
}

.page-download-center-download-guide__faq-question {
    font-size: 1.4em;
    color: #000080;
    margin-bottom: 10px;
}

.page-download-center-download-guide__safety-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 15px;
}

.page-download-center-download-guide__safety-list li {
    background-color: #fefefe;
    padding: 20px;
    border-left: 4px solid #FFD700;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    font-size: 1.1em;
}

.page-download-center-download-guide__safety-list li strong {
    color: #000080;
}

.page-download-center-download-guide__final-cta-section {
    background: linear-gradient(135deg, #000080 0%, #FFD700 100%);
    color: #fff;
    text-align: center;
    padding: 80px 0;
}

.page-download-center-download-guide__final-description {
    font-size: 1.3em;
    max-width: 900px;
    margin: 0 auto 40px auto;
}

/* Floating Action Menu */
.page-download-center-download-guide__floating-menu {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.page-download-center-download-guide__floating-btn {
    background-color: #000080;
    color: #FFD700;
    border: 2px solid #FFD700;
    border-radius: 50px;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.page-download-center-download-guide__floating-btn:hover {
    background-color: #FFD700;
    color: #000080;
    transform: translateX(-5px);
}

.page-download-center-download-guide__floating-icon {
    font-size: 1.5em;
    margin-right: 10px;
}

.page-download-center-download-guide__floating-text {
    font-weight: bold;
    white-space: nowrap;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-download-center-download-guide__hero-title {
        font-size: 2.5em;
    }
    .page-download-center-download-guide__section-title {
        font-size: 2em;
    }
    .page-download-center-download-guide__features-grid,
    .page-download-center-download-guide__info-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    .page-download-center-download-guide__step-item {
        padding-left: 60px;
    }
    .page-download-center-download-guide__step-item::before {
        padding: 6px 12px;
        font-size: 1em;
    }
}

@media (max-width: 768px) {
    .page-download-center-download-guide__hero-section,
    .page-download-center-download-guide__why-download-section,
    .page-download-center-download-guide__download-guide-section,
    .page-download-center-download-guide__registration-login-section,
    .page-download-center-download-guide__troubleshooting-section,
    .page-download-center-download-guide__safety-section,
    .page-download-center-download-guide__final-cta-section {
        padding: 40px 0;
    }
    .page-download-center-download-guide__hero-title {
        font-size: 2em;
    }
    .page-download-center-download-guide__hero-description {
        font-size: 1em;
    }
    .page-download-center-download-guide__btn {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-download-center-download-guide__section-title {
        font-size: 1.8em;
    }
    .page-download-center-download-guide__feature-title,
    .page-download-center-download-guide__info-title {
        font-size: 1.3em;
    }
    .page-download-center-download-guide__step-title {
        font-size: 1.4em;
    }
    .page-download-center-download-guide__faq-question {
        font-size: 1.2em;
    }
    .page-download-center-download-guide__floating-menu {
        right: 10px;
        bottom: 10px;
        gap: 8px;
    }
    .page-download-center-download-guide__floating-btn {
        padding: 8px 12px;
    }
    .page-download-center-download-guide__floating-icon {
        font-size: 1.2em;
        margin-right: 8px;
    }
    .page-download-center-download-guide__floating-text {
        font-size: 0.9em;
    }
}

@media (max-width: 480px) {
    .page-download-center-download-guide__hero-title {
        font-size: 1.8em;
    }
    .page-download-center-download-guide__hero-description {
        font-size: 0.9em;
    }
    .page-download-center-download-guide__section-title {
        font-size: 1.5em;
    }
    .page-download-center-download-guide__features-grid,
    .page-download-center-download-guide__info-grid {
        grid-template-columns: 1fr;
    }
    .page-download-center-download-guide__step-item {
        padding-left: 40px;
    }
    .page-download-center-download-guide__step-item::before {
        padding: 5px 10px;
        font-size: 0.9em;
    }
    .page-download-center-download-guide__floating-menu {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        bottom: 5px;
        right: 5px;
        left: 5px;
    }
    .page-download-center-download-guide__floating-btn {
        flex: 1 1 auto;
        text-align: center;
        justify-content: center;
        padding: 8px 5px;
    }
    .page-download-center-download-guide__floating-icon {
        margin-right: 5px;
    }
    .page-download-center-download-guide__floating-text {
        font-size: 0.8em;
    }
}