/* ===== 产品服务页面样式 ===== */

/* 核心功能模块 */
.module-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.module-card {
    background: #fff;
    padding: 36px 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.module-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

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

.module-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 20px;
    transition: var(--transition);
}

.module-card:hover .module-icon {
    transform: rotate(-5deg) scale(1.05);
}

.module-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.module-card > p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 14px;
}

.module-features {
    list-style: none;
    padding-top: 20px;
    border-top: 1px dashed var(--border);
}

.module-features li {
    color: var(--text-gray);
    font-size: 14px;
    padding: 6px 0;
    position: relative;
    padding-left: 18px;
}

.module-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* 产品版本 */
.version-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.version-card {
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
}

.version-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.version-header {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 36px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #fff 100%);
    border-bottom: 1px solid var(--border);
}

.version-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.version-header h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.version-header p {
    font-size: 14px;
    color: var(--text-gray);
}

.version-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    padding: 32px 36px;
}

.version-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.version-features ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}

.version-features li {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.8;
    padding: 4px 0;
}

.suitable-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.suitable-tags span {
    padding: 8px 16px;
    background: var(--bg-light);
    color: var(--text-dark);
    font-size: 13px;
    border-radius: 100px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.suitable-tags span:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 价值收益 */
.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.value-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.value-num {
    font-size: 56px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: -2px;
}

.value-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.value-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 套餐价格 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
}

.pricing-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border);
    text-align: center;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, #fff 0%, #FAFBFD 100%);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-6px);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 100px;
    letter-spacing: 0.5px;
}

.pricing-tier {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.pricing-tag {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 28px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.price-currency {
    font-size: 22px;
    color: var(--primary);
    font-weight: 500;
    margin-right: 4px;
}

.price-num {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    letter-spacing: -2px;
}

.price-unit {
    font-size: 16px;
    color: var(--text-gray);
    margin-left: 4px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
    flex: 1;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-gray);
    position: relative;
    padding-left: 24px;
    border-bottom: 1px dashed var(--border);
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
    font-size: 16px;
}

.pricing-features li.excluded {
    color: var(--text-light);
    opacity: 0.5;
}

.pricing-features li.excluded::before {
    content: '✕';
    color: var(--text-light);
}

.pricing-btn {
    width: 100%;
    margin-top: auto;
}

/* 响应式 */
@media (max-width: 992px) {
    .module-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card.featured:hover {
        transform: translateY(-6px);
    }

    .version-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

@media (max-width: 768px) {
    .module-grid,
    .value-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .version-header {
        padding: 20px 24px;
        gap: 16px;
    }

    .version-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
    }

    .version-header h3 {
        font-size: 20px;
    }

    .version-content {
        padding: 24px;
    }

    .value-num {
        font-size: 44px;
    }
}