/* style/platform-download.css */

.page-platform-download {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

.page-platform-download__hero-section {
    background: linear-gradient(135deg, #0A2463, #3a5c96);
    color: #fff;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-platform-download__hero-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    color: #FFD700;
    font-weight: bold;
}

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

.page-platform-download__download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.page-platform-download__btn {
    display: inline-flex;
    align-items: center;
    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;
    cursor: pointer;
}

.page-platform-download__btn i {
    margin-right: 10px;
}

.page-platform-download__btn--primary {
    background-color: #FFD700;
    color: #0A2463;
    border: 2px solid #FFD700;
}

.page-platform-download__btn--primary:hover {
    background-color: #e6c200;
    transform: translateY(-2px);
}

.page-platform-download__btn--secondary {
    background-color: transparent;
    color: #FFD700;
    border: 2px solid #FFD700;
}

.page-platform-download__btn--secondary:hover {
    background-color: rgba(255, 215, 0, 0.1);
    transform: translateY(-2px);
}

.page-platform-download__btn--full-width {
    width: 100%;
    justify-content: center;
}

.page-platform-download__btn--large {
    padding: 18px 35px;
    font-size: 1.2em;
}

.page-platform-download__hero-image-wrapper {
    margin-top: 40px;
}

.page-platform-download__hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-platform-download__benefits-section,
.page-platform-download__guide-section,
.page-platform-download__why-choose-section,
.page-platform-download__games-section,
.page-platform-download__faq-section,
.page-platform-download__cta-section {
    padding: 60px 0;
    text-align: center;
}

.page-platform-download__section-title {
    font-size: 2.2em;
    color: #0A2463;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-platform-download__section-subtitle {
    font-size: 1.1em;
    color: #555;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-platform-download__benefit-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-platform-download__benefit-item:hover {
    transform: translateY(-5px);
}

.page-platform-download__benefit-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.page-platform-download__benefit-title {
    font-size: 1.5em;
    color: #0A2463;
    margin-bottom: 10px;
}

.page-platform-download__benefit-description {
    color: #666;
    font-size: 1em;
}

.page-platform-download__tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    border-bottom: 2px solid #eee;
}

.page-platform-download__tab-btn {
    background-color: transparent;
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    font-weight: bold;
    color: #777;
    cursor: pointer;
    transition: color 0.3s ease, border-bottom 0.3s ease;
}

.page-platform-download__tab-btn:hover {
    color: #0A2463;
}

.page-platform-download__tab-btn--active {
    color: #0A2463;
    border-bottom: 3px solid #FFD700;
}

.page-platform-download__tab-content {
    display: none;
    text-align: left;
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.page-platform-download__tab-content--active {
    display: block;
}

.page-platform-download__guide-subtitle {
    font-size: 1.8em;
    color: #0A2463;
    margin-bottom: 25px;
    text-align: center;
}

.page-platform-download__guide-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.page-platform-download__guide-steps {
    flex: 2;
    min-width: 300px;
}

.page-platform-download__guide-steps ol {
    list-style-type: decimal;
    padding-left: 20px;
    margin-bottom: 30px;
}

.page-platform-download__guide-steps li {
    margin-bottom: 15px;
    font-size: 1.1em;
    color: #444;
}

.page-platform-download__guide-steps li strong {
    color: #0A2463;
}

.page-platform-download__guide-steps li a {
    color: #0A2463;
    text-decoration: underline;
}

.page-platform-download__qr-code-wrapper {
    flex: 1;
    min-width: 250px;
    text-align: center;
    background-color: #f0f0f0;
    padding: 20px;
    border-radius: 10px;
}

.page-platform-download__qr-code {
    width: 200px;
    height: 200px;
    border: 5px solid #fff;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-platform-download__qr-description {
    margin-top: 15px;
    font-size: 1em;
    color: #555;
}

.page-platform-download__why-choose-section {
    background-color: #0A2463;
    color: #fff;
}

.page-platform-download__why-choose-section .page-platform-download__section-title {
    color: #FFD700;
}

.page-platform-download__why-choose-section .page-platform-download__section-subtitle {
    color: #ccc;
}

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

.page-platform-download__feature-item {
    background-color: #1a3a7c;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-platform-download__feature-item:hover {
    transform: translateY(-5px);
}

.page-platform-download__feature-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
}

.page-platform-download__feature-title {
    font-size: 1.6em;
    color: #FFD700;
    margin-bottom: 10px;
}

.page-platform-download__feature-description {
    color: #e0e0e0;
    font-size: 1em;
}

.page-platform-download__security-image {
    max-width: 80%;
    height: auto;
    margin-top: 50px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-platform-download__games-section {
    background-color: #f8f9fa;
}

.page-platform-download__game-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-platform-download__category-item {
    background-color: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-platform-download__category-item:hover {
    transform: translateY(-5px);
}

.page-platform-download__category-image {
    width: 100%;
    max-height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.page-platform-download__category-title {
    font-size: 1.4em;
    color: #0A2463;
    margin-bottom: 10px;
}

.page-platform-download__category-description {
    color: #666;
    font-size: 0.95em;
}

.page-platform-download__faq-section {
    background-color: #f0f4f7;
}

.page-platform-download__faq-list {
    max-width: 900px;
    margin: 40px auto;
    text-align: left;
}

.page-platform-download__faq-item {
    background-color: #fff;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.page-platform-download__faq-question {
    width: 100%;
    background-color: #0A2463;
    color: #FFD700;
    padding: 20px 25px;
    font-size: 1.15em;
    font-weight: bold;
    text-align: left;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.page-platform-download__faq-question:hover {
    background-color: #1a3a7c;
}

.page-platform-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
}

.page-platform-download__faq-question--active .page-platform-download__faq-toggle {
    transform: rotate(45deg);
}

.page-platform-download__faq-answer {
    padding: 0 25px;
    background-color: #fefefe;
    color: #444;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out, padding 0.5s ease-out;
}

.page-platform-download__faq-answer p {
    padding: 20px 0;
    margin: 0;
    border-top: 1px solid #eee;
}

.page-platform-download__faq-question--active + .page-platform-download__faq-answer {
    max-height: 200px; /* Adjust as needed */
    padding: 0 25px 20px;
}

.page-platform-download__faq-image {
    max-width: 70%;
    height: auto;
    margin-top: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.page-platform-download__cta-section {
    background: linear-gradient(45deg, #0A2463, #1a3a7c);
    color: #fff;
    padding: 80px 0;
}

.page-platform-download__cta-title {
    font-size: 2.5em;
    color: #FFD700;
    margin-bottom: 20px;
    font-weight: bold;
}

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

.page-platform-download__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.page-platform-download__cta-image {
    max-width: 90%;
    height: auto;
    margin-top: 50px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Icon styles (placeholder for actual icon fonts or SVGs) */
.icon-android::before { content: '安卓'; /* Placeholder for icon */ font-style: normal; }
.icon-apple::before { content: '苹果'; /* Placeholder for icon */ font-style: normal; }
.icon-download::before { content: '下载'; /* Placeholder for icon */ font-style: normal; }
.icon-register::before { content: '注册'; /* Placeholder for icon */ font-style: normal; }

/* Responsive adjustments */
@media (max-width: 992px) {
    .page-platform-download__hero-title {
        font-size: 2.2em;
    }
    .page-platform-download__section-title,
    .page-platform-download__cta-title {
        font-size: 1.8em;
    }
    .page-platform-download__guide-layout {
        flex-direction: column;
        align-items: center;
    }
    .page-platform-download__qr-code-wrapper {
        order: -1; /* QR code above steps on smaller screens */
        margin-bottom: 30px;
    }
    .page-platform-download__security-image,
    .page-platform-download__faq-image,
    .page-platform-download__cta-image {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .page-platform-download__hero-section,
    .page-platform-download__benefits-section,
    .page-platform-download__guide-section,
    .page-platform-download__why-choose-section,
    .page-platform-download__games-section,
    .page-platform-download__faq-section,
    .page-platform-download__cta-section {
        padding: 40px 0;
    }
    .page-platform-download__hero-title {
        font-size: 1.8em;
    }
    .page-platform-download__hero-description {
        font-size: 1em;
    }
    .page-platform-download__download-buttons {
        flex-direction: column;
    }
    .page-platform-download__btn {
        width: 80%;
        margin: 0 auto 15px auto;
    }
    .page-platform-download__section-title,
    .page-platform-download__cta-title {
        font-size: 1.6em;
    }
    .page-platform-download__section-subtitle,
    .page-platform-download__cta-description {
        font-size: 0.95em;
    }
    .page-platform-download__tabs {
        flex-direction: column;
    }
    .page-platform-download__tab-btn {
        width: 100%;
        border-bottom: 1px solid #eee;
    }
    .page-platform-download__tab-btn--active {
        border-bottom: 3px solid #FFD700;
    }
    .page-platform-download__tab-content {
        padding: 25px;
    }
    .page-platform-download__guide-steps ol {
        padding-left: 15px;
    }
    .page-platform-download__guide-steps li {
        font-size: 1em;
    }
    .page-platform-download__qr-code-wrapper {
        min-width: unset;
        width: 100%;
    }
    .page-platform-download__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-platform-download__faq-answer p {
        padding: 15px 0;
    }
}

@media (max-width: 480px) {
    .page-platform-download__hero-title {
        font-size: 1.5em;
    }
    .page-platform-download__section-title,
    .page-platform-download__cta-title {
        font-size: 1.4em;
    }
    .page-platform-download__btn {
        width: 90%;
        padding: 12px 20px;
        font-size: 1em;
    }
    .page-platform-download__btn--large {
        padding: 15px 25px;
        font-size: 1.1em;
    }
    .page-platform-download__qr-code {
        width: 150px;
        height: 150px;
    }
    .page-platform-download__faq-question {
        font-size: 0.9em;
        padding: 12px 15px;
    }
    .page-platform-download__faq-answer p {
        font-size: 0.9em;
    }
}