/* 下载页面样式 */
.download-main {
    padding: 90px 0;
    background-color: var(--bg-color);
}

.download-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section-title {
    font-size: 36px;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 15px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 50px;
}

/* 下载卡片网格 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

/* 下载卡片样式 */
.download-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon i {
    font-size: 40px;
    color: #fff;
}

.download-card h2 {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.download-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* 二维码样式 */
.qr-code {
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    padding: 10px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.qr-code img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 下载提示 */
.download-tips {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.download-tips p {
    margin-bottom: 5px;
}

/* 下载按钮 */
.btn-download {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 25px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    transition: background-color 0.3s;
}

.btn-download:hover {
    background-color: var(--primary-hover);
}

.btn-download i {
    margin-right: 8px;
}

/* 版本信息 */
.version-info {
    background-color: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.version-info h3 {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 20px;
    text-align: center;
}

.version-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.version-item {
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.version-item h4 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 15px;
}

.version-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.version-item li {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.version-item li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .download-grid {
        grid-template-columns: 1fr;
    }

    .version-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 28px;
    }

    .download-card {
        padding: 20px;
    }

    .qr-code {
        width: 180px;
        height: 180px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.download-card {
    animation: fadeIn 0.5s ease-out forwards;
}

.download-card:nth-child(2) {
    animation-delay: 0.2s;
}

.download-card:nth-child(3) {
    animation-delay: 0.4s;
}