:root {
    --page-download-center-primary-color: #0A244A;
    --page-download-center-secondary-color: #FFD700;
    --page-download-center-text-light: #FFFFFF;
    --page-download-center-text-dark: #0A244A; /* Dark text for light backgrounds */
    --page-download-center-background-light: #F8F8F8;
    --page-download-center-background-dark: #0A244A;
    --page-download-center-link-color: #FFD700;
    --page-download-center-link-hover-color: #e6c200;
}

.page-download-center {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--page-download-center-text-dark);
    background-color: var(--page-download-center-background-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.page-download-center__section {
    padding: 60px 0;
    text-align: center;
}

.page-download-center__section--dark {
    background-color: var(--page-download-center-background-dark);
    color: var(--page-download-center-text-light);
}

.page-download-center__hero {
    background: linear-gradient(135deg, var(--page-download-center-primary-color) 0%, #1a3a60 100%);
    color: var(--page-download-center-text-light);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-download-center__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    color: var(--page-download-center-secondary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 700;
}

.page-download-center__hero-description {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
    color: var(--page-download-center-text-light);
}

.page-download-center__hero-buttons,
.page-download-center__action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.page-download-center__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.2s ease, border-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-download-center__btn--primary {
    background-color: var(--page-download-center-secondary-color);
    color: var(--page-download-center-text-dark);
    border: 2px solid var(--page-download-center-secondary-color);
}

.page-download-center__btn--primary:hover {
    background-color: #e6c200;
    border-color: #e6c200;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-download-center__btn--secondary {
    background-color: transparent;
    color: var(--page-download-center-secondary-color);
    border: 2px solid var(--page-download-center-secondary-color);
}

.page-download-center__btn--secondary:hover {
    background-color: var(--page-download-center-secondary-color);
    color: var(--page-download-center-primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-download-center__btn--link {
    background-color: var(--page-download-center-primary-color);
    color: var(--page-download-center-text-light);
    border: 2px solid var(--page-download-center-primary-color);
    padding: 10px 20px;
    font-size: 1em;
    box-shadow: none;
}

.page-download-center__btn--link:hover {
    background-color: #1a3a60;
    border-color: #1a3a60;
    transform: translateY(-1px);
}

.page-download-center__section-title {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: var(--page-download-center-primary-color);
    font-weight: 700;
}

.page-download-center__section-title--light {
    color: var(--page-download-center-secondary-color);
}

.page-download-center__section-description {
    font-size: 1.1em;
    max-width: 900px;
    margin: 0 auto 40px;
    color: #555;
    line-height: 1.7;
}

.page-download-center__section-description--light {
    color: #ccc;
}

.page-download-center__features-grid,
.page-download-center__guide-grid,
.page-download-center__detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download-center__feature-item {
    background-color: var(--page-download-center-background-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 5px solid var(--page-download-center-secondary-color);
}

.page-download-center__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-download-center__feature-title {
    font-size: 1.5em;
    color: var(--page-download-center-primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-download-center__guide-item {
    background-color: rgba(255, 255, 255, 0.08);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    color: var(--page-download-center-text-light);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border-bottom: 5px solid var(--page-download-center-secondary-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-download-center__guide-item-title {
    font-size: 1.8em;
    margin-bottom: 20px;
    color: var(--page-download-center-secondary-color);
    font-weight: 600;
}

.page-download-center__guide-image {
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.page-download-center__guide-text {
    font-size: 1em;
    line-height: 1.7;
    margin-bottom: 25px;
    color: #e0e0e0;
    flex-grow: 1;
}

.page-download-center__security-image {
    max-width: 300px;
    margin: 20px auto 30px;
    display: block;
    filter: drop-shadow(0 0 10px var(--page-download-center-secondary-color));
}

.page-download-center__security-list {
    list-style: none;
    padding: 0;
    max-width: 700px;
    margin: 30px auto 0;
    text-align: left;
}

.page-download-center__security-list-item {
    background-color: rgba(255, 255, 255, 0.1);
    margin-bottom: 10px;
    padding: 15px 20px;
    border-radius: 5px;
    color: var(--page-download-center-text-light);
    font-size: 1.1em;
    border-left: 5px solid var(--page-download-center-secondary-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.page-download-center__security-list-item strong {
    color: var(--page-download-center-secondary-color);
}

.page-download-center__faq-item {
    background-color: var(--page-download-center-primary-color);
    margin-bottom: 15px;
    border-radius: 8px;
    text-align: left;
    padding: 20px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download-center__faq-question {
    font-size: 1.3em;
    color: var(--page-download-center-secondary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.page-download-center__faq-answer {
    font-size: 1em;
    color: #e0e0e0;
    line-height: 1.7;
}

.page-download-center__detail-item {
    background-color: var(--page-download-center-background-light);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid #eee;
}

.page-download-center__detail-title {
    font-size: 1.4em;
    margin-bottom: 10px;
    font-weight: 600;
}

.page-download-center__detail-title a {
    color: var(--page-download-center-primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-download-center__detail-title a:hover {
    color: var(--page-download-center-secondary-color);
}

.page-download-center__detail-description {
    font-size: 0.95em;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .page-download-center__hero-title {
        font-size: 2.8em;
    }
    .page-download-center__section-title {
        font-size: 2.2em;
    }
    .page-download-center__features-grid,
    .page-download-center__guide-grid,
    .page-download-center__detail-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-download-center__hero-title {
        font-size: 2.2em;
    }
    .page-download-center__section-title {
        font-size: 1.8em;
    }
    .page-download-center__hero-buttons,
    .page-download-center__action-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .page-download-center__btn {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    .page-download-center__features-grid,
    .page-download-center__guide-grid,
    .page-download-center__detail-grid {
        grid-template-columns: 1fr;
    }
    .page-download-center__hero,
    .page-download-center__section {
        padding: 50px 0;
    }
    .page-download-center__security-list {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .page-download-center__hero-title {
        font-size: 1.8em;
    }
    .page-download-center__section-title {
        font-size: 1.6em;
    }
    .page-download-center__hero-description,
    .page-download-center__section-description {
        font-size: 1em;
    }
    .page-download-center__btn {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-download-center__container {
        padding: 0 15px;
    }
    .page-download-center__faq-question {
        font-size: 1.1em;
    }
    .page-download-center__faq-answer {
        font-size: 0.9em;
    }
    .page-download-center__detail-title {
        font-size: 1.2em;
    }
    .page-download-center__detail-description {
        font-size: 0.9em;
    }
}