/* 软件页面专属样式 */

/* 页面头部 */
.page-header {
    padding: 8rem 2rem 3rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 50%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* 筛选 */
.filter-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 2rem;
}

.category-filters {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-color: transparent;
}

/* 软件网格 */
.software-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 2rem;
}

/* 软件卡片 */
.software-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.software-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.3s;
}

.software-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(102, 126, 234, 0.3);
}

.software-card:hover::before {
    transform: scaleX(1);
}

/* 卡片头部 */
.card-header {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.card-icon.blue {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
}

.card-icon.purple {
    background: rgba(118, 75, 162, 0.2);
    color: #764ba2;
}

.card-info {
    flex: 1;
    min-width: 0;
}

.card-info h3 {
    font-size: 1.35rem;
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-version {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    background: rgba(102, 126, 234, 0.15);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 500;
}

.card-category {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.25rem;
}

/* 描述 */
.card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

/* 功能列表 */
.card-features {
    margin-bottom: 1.5rem;
}

.card-features h4 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.card-features h4 i {
    color: var(--primary);
    font-size: 0.85rem;
}

.card-features ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.5rem;
}

.card-features li {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding-left: 1.2rem;
    position: relative;
    line-height: 1.5;
}

.card-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* 标签 */
.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

/* 底部操作区 */
.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
    gap: 1rem;
    flex-wrap: wrap;
}

.card-platform {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.card-platform i {
    color: var(--primary);
}

.download-btn {
    padding: 0.7rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 4rem 2rem;
}

.loading i {
    font-size: 2rem;
    color: var(--primary);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 响应式 */
@media (max-width: 768px) {
    .software-grid {
        grid-template-columns: 1fr;
    }

    .software-card {
        padding: 1.5rem;
    }

    .card-icon {
        width: 52px;
        height: 52px;
        font-size: 1.4rem;
        border-radius: 14px;
    }

    .card-info h3 {
        font-size: 1.15rem;
    }

    .card-features ul {
        grid-template-columns: 1fr;
    }

    .card-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .download-btn {
        justify-content: center;
    }

    .category-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}