/* ============================================================
   技术展示（techshow.html）专用样式
   ============================================================ */

/* 卡片网格 */
.techshow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    padding: 20px 0;
}

/* 单张卡片 */
.tech-card {
    background: var(--white, #ffffff);
    border: 1px solid var(--gray-200, #e2e8f0);
    border-radius: 12px;
    padding: 28px 24px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #2563eb, #1d4ed8);
    border-radius: 4px 0 0 4px;
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.12);
}

/* 卡片标题（名称） */
.tech-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 12px 0;
    line-height: 1.4;
}

.tech-name-link {
    color: var(--primary-color, #2563eb);
    text-decoration: none;
    transition: color 0.2s;
}

.tech-name-link:hover {
    color: var(--primary-dark, #1d4ed8);
    text-decoration: underline;
}

.tech-name-link i {
    font-size: 0.8em;
    margin-left: 4px;
    opacity: 0.6;
}

.tech-name-text {
    color: var(--gray-900, #0f172a);
}

/* 卡片描述 */
.tech-card-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--gray-600, #64748b);
    margin: 0;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 768px) {
    .techshow-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}