/* 交易软件页面样式 */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.5;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* 软件介绍部分 */
.software-intro {
    padding: 80px 0;
    background: #f8f9fa;
}

.intro-content {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.intro-content h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: 700;
}

.intro-content > p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 60px;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.feature-item {
    background: white;
    padding: 50px 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-item i {
    font-size: 3rem;
    color: #D1AA57;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
}

/* 平台选择部分 */
.platform-selection {
    padding: 80px 0;
    background: white;
}

.platform-selection h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 60px;
    font-weight: 700;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.platform-card {
    background: white;
    border: 2px solid #f0f0f0;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.platform-card:hover {
    border-color: #D1AA57;
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(209, 170, 87, 0.15);
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-icon i {
    font-size: 2.5rem;
    color: white;
}

.platform-card h3 {
    font-size: 1.6rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.platform-card > p {
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.platform-features {
    text-align: left;
    margin-bottom: 30px;
}

.platform-features ul {
    list-style: none;
    padding: 0;
}

.platform-features li {
    padding: 8px 0;
    color: #555;
    display: flex;
    align-items: center;
}

.platform-features li i {
    color: #28a745;
    margin-right: 10px;
    font-size: 0.9rem;
}

.platform-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.platform-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* 功能特色部分 */
.features-showcase {
    padding: 80px 0;
    background: #f8f9fa;
}

.features-showcase h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 50px;
    font-weight: 700;
}

.features-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
    background: white;
    border-radius: 50px;
    padding: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 50px;
}

.features-tab-btn {
    background: transparent;
    border: none;
    padding: 15px 25px;
    border-radius: 40px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    transition: all 0.3s ease;
    flex: 1;
}

.features-tab-btn.active {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    transform: scale(1.05);
}

.features-content {
    max-width: 1000px;
    margin: 0 auto;
}

.features-tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.features-tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-showcase {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-image {
    text-align: center;
}

.feature-image i {
    font-size: 8rem;
    color: #D1AA57;
    opacity: 0.8;
}

.feature-description h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 25px;
    font-weight: 600;
}

.feature-description ul {
    list-style: none;
    padding: 0;
}

.feature-description li {
    padding: 12px 0;
    color: #555;
    border-bottom: 1px solid #f0f0f0;
    font-size: 1rem;
    line-height: 1.5;
}

.feature-description li:last-child {
    border-bottom: none;
}

.feature-description li:before {
    content: "✓";
    color: #28a745;
    font-weight: bold;
    margin-right: 10px;
}

/* 系统要求部分 */
.system-requirements {
    padding: 80px 0;
    background: white;
}

.system-requirements h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 60px;
    font-weight: 700;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.requirement-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 30px 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.requirement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.requirement-card h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.requirement-card h3 i {
    color: #D1AA57;
    font-size: 1.5rem;
}

.requirement-card ul {
    list-style: none;
    padding: 0;
}

.requirement-card li {
    padding: 8px 0;
    color: #666;
    border-bottom: 1px solid #e9ecef;
    font-size: 0.95rem;
}

.requirement-card li:last-child {
    border-bottom: none;
}

/* 下载中心部分 */
.download-center {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.download-center h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: 700;
}

.download-center > .container > p {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 60px;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 60px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 60px;
}

.download-item {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 320px;
    position: relative;
}

.download-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.download-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-icon i {
    font-size: 2.5rem;
    color: white;
}

.download-item h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.download-item p {
    color: #888;
    margin-bottom: 60px;
    font-size: 0.9rem;
    flex-grow: 1;
}

.download-item .btn {
    margin-top: auto;
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 60px);
}

.qr-section {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.qr-section h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 30px;
    font-weight: 600;
}

.qr-codes {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.qr-item {
    text-align: center;
}

.qr-code {
    width: 170px;
    height: 170px;
    background: white;
    border: 2px solid #f0f0f0;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    transition: border-color 0.3s ease;
}

.qr-code:hover {
    border-color: #D1AA57;
}

.qr-code i {
    font-size: 3rem;
    color: #D1AA57;
}

.qr-code-image {
    width: 150px;
    height: 150px;
    border-radius: 10px;
    object-fit: cover;
    display: block;
    margin: 0 auto;
}

.qr-item p {
    color: #666;
    font-weight: 500;
}

/* CTA部分 */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Footer优化样式 */
.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section ul li a:hover {
    color: #D1AA57;
}

.footer-section ul li i {
    width: 16px;
    color: #D1AA57;
}

.download-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.download-links a {
    background: linear-gradient(135deg, #D1AA57, #B8941F);
    color: white;
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.download-links a i {
    color: white;
}

.download-links a:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(209, 170, 87, 0.4);
}

.footer-info {
    text-align: center;
    margin: 20px 0;
    padding: 20px 0;
    border-top: 1px solid #444;
    border-bottom: 1px solid #444;
}

.footer-info p {
    color: #bbb;
    font-size: 0.9rem;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .requirements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 80px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2.2rem;
    }
    
    .intro-content h2,
    .platform-selection h2,
    .features-showcase h2,
    .system-requirements h2,
    .download-center h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .platforms-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-item {
        padding: 40px 30px;
    }
    
    .platform-card {
        padding: 30px 20px;
    }
    
    .features-tabs {
        flex-direction: column;
        gap: 5px;
        border-radius: 15px;
    }
    
    .features-tab-btn {
        border-radius: 10px;
    }
    
    .feature-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 30px;
    }
    
    .feature-image i {
        font-size: 5rem;
    }
    
    .requirements-grid,
    .download-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .download-item {
        min-height: 280px;
    }
    
    .download-item .btn {
        bottom: 20px;
        width: calc(100% - 40px);
    }
    
    .qr-codes {
        gap: 40px;
    }

    .qr-code-image {
        width: 135px;
        height: 135px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .download-links {
        justify-content: center;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 60px 0 30px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .platform-actions {
        flex-direction: column;
    }
    
    .platform-actions .btn {
        width: 100%;
    }
    
    .qr-codes {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .qr-code-image {
        width: 120px;
        height: 120px;
    }
    
    .download-links {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
}