/**
 * 黔前智算 · 智算软件产品落地页共享样式
 */
.product-hero {
    padding: calc(var(--navbar-height) + 64px) 0 64px;
    text-align: center;
}

.product-hero h1 {
    font-size: clamp(34px, 5vw, 54px);
    font-weight: 800;
    line-height: 1.12;
    margin-bottom: 18px;
}

.product-hero .hero-lead {
    font-size: 18px;
    max-width: 760px;
    margin: 0 auto 28px;
    color: var(--text-secondary);
    line-height: 1.75;
}

.product-hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 24px;
}

.product-hero-pills a {
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(148, 163, 184, 0.25);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.product-hero-pills a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.product-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    max-width: 960px;
    margin: 32px auto 0;
    text-align: left;
}

.product-summary-card {
    padding: 18px 20px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: var(--shadow-sm);
}

.product-summary-card strong {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    margin-bottom: 8px;
}

.product-summary-card strong i {
    color: var(--primary);
}

.product-summary-card span {
    display: block;
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-secondary);
}

.product-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 820px;
    margin: 40px auto 0;
}

.product-stats .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.product-stats .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.product-related-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    justify-content: center;
    padding: 14px var(--layout-gutter);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: var(--navbar-height);
    z-index: 40;
}

.product-related-bar a {
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid transparent;
    transition: var(--transition);
}

.product-related-bar a:hover {
    color: var(--primary);
    border-color: rgba(var(--primary-rgb), 0.25);
    background: rgba(var(--primary-rgb), 0.06);
}

.product-related-bar a.is-current {
    color: var(--primary);
    font-weight: 600;
    background: rgba(var(--primary-rgb), 0.1);
    border-color: rgba(var(--primary-rgb), 0.2);
}

.product-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.product-feature-card {
    padding: 28px;
    border-radius: var(--radius-xl);
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.product-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.product-feature-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 16px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
}

.product-feature-card h3 {
    font-size: 18px;
    margin: 0 0 10px;
}

.product-feature-card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.product-scenario-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-top: 36px;
}

.product-scenario-item {
    display: flex;
    gap: 18px;
    padding: 24px;
    border-radius: var(--radius-lg);
    background: #fff;
    border: 1px solid var(--border-light);
}

.product-scenario-item .scenario-num {
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary);
}

.product-scenario-item h4 {
    margin: 0 0 8px;
    font-size: 17px;
}

.product-scenario-item p {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.product-cta-band {
    text-align: center;
    padding: 64px 0;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.08), #fff);
    border-radius: var(--radius-xl);
    margin-top: 48px;
}

.product-cta-band h2 {
    margin-bottom: 12px;
}

.product-cta-band p {
    max-width: 560px;
    margin: 0 auto 28px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.product-compare-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-top: 48px;
}

.product-compare-chip {
    padding: 20px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--border-light);
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.product-compare-chip:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.product-compare-chip img {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
}

.product-compare-chip h4 {
    margin: 0 0 6px;
    font-size: 15px;
}

.product-compare-chip p {
    margin: 0;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.product-page--creative .product-app-icon {
    filter: drop-shadow(0 10px 28px rgba(249, 115, 22, 0.3));
}

.product-page--creative .product-feature-card .card-icon {
    background: rgba(249, 115, 22, 0.12);
    color: #ea580c;
}

.product-page--creative .product-stats .stat-value,
.product-page--creative .product-related-bar a.is-current {
    color: #ea580c;
}

.product-page--llm .product-feature-card .card-icon {
    background: rgba(8, 145, 178, 0.12);
    color: #0891b2;
}

.product-page--llm .product-app-icon {
    filter: drop-shadow(0 10px 28px rgba(8, 145, 178, 0.35));
}

.product-page--llm .product-stats .stat-value {
    color: #0891b2;
}

.product-app-icon {
    width: 108px;
    height: 108px;
    border-radius: 0;
    object-fit: contain;
    margin: 0 auto 20px;
    display: block;
    background: transparent;
    box-shadow: none;
    filter: drop-shadow(0 10px 28px rgba(15, 23, 42, 0.18));
}

.product-page--aiguanjia .product-app-icon {
    filter: drop-shadow(0 10px 28px rgba(30, 107, 80, 0.28));
}

.product-page--aiguanjia .product-feature-card .card-icon {
    background: rgba(30, 107, 80, 0.12);
    color: #1e6b50;
}

.product-page--aiguanjia .product-stats .stat-value,
.product-page--aiguanjia .product-related-bar a.is-current {
    color: #1e6b50;
}

.product-page--aiguanjia .product-hero-pills a:hover {
    border-color: #1e6b50;
    color: #1e6b50;
}

.product-download-grid .card {
    position: relative;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.dl-card-recommended {
    border-color: #1e6b50 !important;
    box-shadow: 0 0 0 2px rgba(30, 107, 80, 0.14), var(--shadow-md);
}

.product-page--qcodes .dl-card-recommended {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(32, 212, 146, 0.14), var(--shadow-md);
}

.dl-platform-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(30, 107, 80, 0.1);
    color: #1e6b50;
    border: 1px solid rgba(30, 107, 80, 0.2);
}

.product-page--qcodes .dl-platform-badge {
    background: rgba(32, 212, 146, 0.1);
    color: var(--primary);
    border-color: rgba(32, 212, 146, 0.2);
}

@media (max-width: 1024px) {
    .product-summary-grid,
    .product-feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .product-compare-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding: calc(var(--navbar-height) + 32px) 0 48px;
    }

    .product-hero h1 {
        font-size: clamp(26px, 5vw, 34px);
    }

    .product-summary-grid,
    .product-feature-grid,
    .product-scenario-grid,
    .product-stats {
        grid-template-columns: 1fr;
    }
    .product-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .product-compare-row {
        grid-template-columns: 1fr;
    }

    .product-stat-card,
    .product-feature-card,
    .product-scenario-card {
        padding: 20px 16px;
    }
}