/* style/download-center.css */
.page-download-center {
    font-family: 'Arial', sans-serif;
    color: #333;
    line-height: 1.6;
}

.page-download-center__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.page-download-center__hero {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-download-center__hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 10% 20%, rgba(255,193,7,0.2) 0%, rgba(255,193,7,0) 70%);
    pointer-events: none;
}

.page-download-center__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    font-weight: bold;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-download-center__hero-description {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: rgba(255,255,255,0.9);
}

.page-download-center__hero-cta {
    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;
    transition: all 0.3s ease;
    font-size: 1.1em;
    border: 2px solid transparent;
}

.page-download-center__btn--primary {
    background-color: #ffc107;
    color: #333;
    border-color: #ffc107;
}

.page-download-center__btn--primary:hover {
    background-color: #e0a800;
    border-color: #e0a800;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.page-download-center__btn--secondary {
    background-color: transparent;
    color: #fff;
    border-color: #fff;
}

.page-download-center__btn--secondary:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: #ffc107;
    color: #ffc107;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.page-download-center__section-title {
    font-size: 2.5em;
    color: #007bff;
    text-align: center;
    margin: 60px 0 20px 0;
    font-weight: bold;
}

.page-download-center__section-description {
    font-size: 1.1em;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px auto;
    color: #555;
}

.page-download-center__overview, .page-download-center__download-platform, .page-download-center__installation-guide, .page-download-center__faq, .page-download-center__detail-pages {
    padding: 60px 0;
}

.page-download-center__overview {
    background-color: #f8f9fa;
}

.page-download-center__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

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

.page-download-center__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.page-download-center__feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 2px 5px rgba(0,0,0,0.1));
}

.page-download-center__feature-title {
    font-size: 1.5em;
    color: #007bff;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-download-center__feature-text {
    color: #666;
    font-size: 1em;
}

.page-download-center__platform-cards {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.page-download-center__card {
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    padding: 30px;
    text-align: center;
    width: 100%;
    max-width: 450px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #eee;
}

.page-download-center__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.page-download-center__card-title {
    font-size: 1.8em;
    color: #007bff;
    margin-bottom: 25px;
    font-weight: bold;
}

.page-download-center__card-image {
    width: 100%;
    max-width: 250px;
    height: auto;
    margin-bottom: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.page-download-center__card-text {
    color: #666;
    margin-bottom: 30px;
    font-size: 1.05em;
}

.page-download-center__qr-code-wrapper {
    margin-bottom: 30px;
}

.page-download-center__qr-code {
    width: 150px;
    height: 150px;
    border: 5px solid #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-download-center__qr-text {
    margin-top: 10px;
    font-size: 0.95em;
    color: #777;
}

.page-download-center__installation-guide {
    background-color: #e9ecef;
}

.page-download-center__guide-tabs {
    margin-top: 40px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    overflow: hidden;
}

.page-download-center__tab-buttons {
    display: flex;
    border-bottom: 1px solid #dee2e6;
}

.page-download-center__tab-btn {
    flex: 1;
    padding: 18px 25px;
    background-color: #f8f9fa;
    border: none;
    font-size: 1.1em;
    font-weight: bold;
    color: #6c757d;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    border-right: 1px solid #dee2e6;
}

.page-download-center__tab-btn:last-child {
    border-right: none;
}

.page-download-center__tab-btn:hover {
    background-color: #e2e6ea;
    color: #495057;
}

.page-download-center__tab-btn--active {
    background-color: #007bff;
    color: #fff;
    border-bottom: 3px solid #ffc107;
}

.page-download-center__tab-btn--active:hover {
    background-color: #0069d9;
    color: #fff;
}

.page-download-center__tab-content {
    padding: 30px;
    display: none;
}

.page-download-center__tab-content--active {
    display: block;
}

.page-download-center__tab-content h3 {
    font-size: 1.8em;
    color: #007bff;
    margin-bottom: 25px;
    font-weight: bold;
}

.page-download-center__tab-content ol {
    list-style: none;
    padding: 0;
    counter-reset: step-counter;
}

.page-download-center__tab-content ol li {
    margin-bottom: 20px;
    padding-left: 40px;
    position: relative;
    font-size: 1.05em;
    color: #444;
}

.page-download-center__tab-content ol li::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: 0;
    background-color: #ffc107;
    color: #333;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.1em;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.page-download-center__tab-content ol li strong {
    color: #007bff;
}

.page-download-center__tab-content p {
    margin-top: 20px;
    color: #555;
}

.page-download-center__faq {
    background-color: #f8f9fa;
}

.page-download-center__faq-items {
    margin-top: 40px;
}

.page-download-center__faq-item {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    margin-bottom: 20px;
    overflow: hidden;
    border: 1px solid #eee;
}

.page-download-center__faq-question {
    font-size: 1.3em;
    color: #007bff;
    padding: 20px 30px;
    margin: 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f0f8ff;
    border-bottom: 1px solid #e0eaf7;
}

.page-download-center__faq-question::after {
    content: '+';
    font-size: 1.5em;
    transition: transform 0.3s ease;
}

.page-download-center__faq-question.active::after {
    content: '-';
    transform: rotate(180deg);
}

.page-download-center__faq-answer {
    padding: 0 30px 20px 30px;
    margin: 0;
    color: #666;
    display: none;
    font-size: 1.05em;
}

.page-download-center__faq-item.active .page-download-center__faq-answer {
    display: block;
}

.page-download-center__contact-support {
    text-align: center;
    margin-top: 40px;
    font-size: 1.1em;
    color: #555;
}

.page-download-center__contact-support a {
    color: #007bff;
    text-decoration: none;
    font-weight: bold;
}

.page-download-center__contact-support a:hover {
    text-decoration: underline;
    color: #0056b3;
}

.page-download-center__detail-pages {
    background-color: #fff;
}

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

.page-download-center__detail-item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download-center__detail-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.page-download-center__detail-title {
    font-size: 1.6em;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-download-center__detail-title a {
    color: #007bff;
    text-decoration: none;
}

.page-download-center__detail-title a:hover {
    text-decoration: underline;
    color: #0056b3;
}

.page-download-center__detail-description {
    color: #666;
    margin-bottom: 20px;
}

.page-download-center__btn--link {
    display: inline-block;
    background-color: #007bff;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.page-download-center__btn--link:hover {
    background-color: #0056b3;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .page-download-center__hero-title {
        font-size: 2.5em;
    }
    .page-download-center__section-title {
        font-size: 2em;
    }
    .page-download-center__platform-cards {
        flex-direction: column;
        align-items: center;
    }
    .page-download-center__card {
        max-width: 90%;
    }
    .page-download-center__features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-download-center__hero {
        padding: 60px 0;
    }
    .page-download-center__hero-title {
        font-size: 2em;
    }
    .page-download-center__hero-description {
        font-size: 1em;
    }
    .page-download-center__hero-cta {
        flex-direction: column;
        gap: 15px;
    }
    .page-download-center__btn {
        width: 80%;
        max-width: 300px;
    }
    .page-download-center__section-title {
        font-size: 1.8em;
    }
    .page-download-center__section-description {
        font-size: 0.95em;
    }
    .page-download-center__tab-btn {
        font-size: 1em;
        padding: 15px 10px;
    }
    .page-download-center__tab-content h3 {
        font-size: 1.5em;
    }
    .page-download-center__tab-content ol li {
        font-size: 0.95em;
    }
    .page-download-center__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
    }
    .page-download-center__faq-answer {
        padding: 0 20px 15px 20px;
    }
    .page-download-center__detail-list {
        grid-template-columns: 1fr;
    }
}

@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__btn {
        width: 90%;
    }
}