/* 下载卡片 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: clamp(1rem, 3vw, 1.5rem);
    margin-top: clamp(1rem, 3vw, 1.5rem);
}

.download-card {
    background: var(--link-bg);
    border: 1px solid var(--link-border);
    border-radius: clamp(1rem, 4vw, 1.5rem);
    padding: clamp(1.2rem, 4vw, 2rem);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.5rem, 2vw, 0.8rem);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1);
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 30px -14px rgba(0, 0, 0, 0.2);
}

.download-icon {
    width: clamp(3rem, 10vw, 4rem);
    height: clamp(3rem, 10vw, 4rem);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--link-icon-bg);
    margin-bottom: 0.3rem;
}

.download-icon i {
    font-size: clamp(1.5rem, 5vw, 2rem);
    color: var(--link-icon-color);
}

.download-icon.android i {
    color: #3ddc84;
}

.download-icon.ios i {
    color: var(--icon-color);
}

.download-icon.windows i {
    color: #00a4ef;
}

.download-card h3 {
    font-size: clamp(1rem, 3vw, 1.2rem);
    color: var(--heading-color);
    font-weight: 600;
}

.download-meta {
    font-size: clamp(0.75rem, 2vw, 0.85rem);
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    word-break: break-word;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: auto;
    padding: clamp(0.55rem, 2vw, 0.75rem) clamp(1rem, 4vw, 1.5rem);
    border-radius: 100px;
    background: linear-gradient(135deg, #4a6fa5, #3a5c9e);
    color: #fff;
    font-weight: 600;
    font-size: clamp(0.82rem, 2.2vw, 0.95rem);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 18px -8px rgba(74, 111, 165, 0.5);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -8px rgba(74, 111, 165, 0.6);
    filter: brightness(1.08);
}

.download-btn:active {
    transform: translateY(0);
}

.download-hint {
    margin-top: clamp(1.2rem, 4vw, 1.8rem);
    font-size: clamp(0.78rem, 2vw, 0.9rem);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.download-hint i {
    color: var(--icon-active-color);
}