/* ==========================================================================
   合作流程样式
   ========================================================================== */
   .cooperation-process {
    position: relative;
    padding: var(--spacing-10) 0;
    background: var(--color-white);
}

/* 页面装饰 */
.cooperation-process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(
        circle at 20% 20%,
        var(--color-background) 0%,
        transparent 50%
    );
    opacity: 0.5;
    pointer-events: none;
}

/* 标题样式 */
.cooperation-process .section-title {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-8);
    position: relative;
}

.cooperation-process .section-title h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.cooperation-process .section-title p {
    color: var(--color-text-secondary);
    font-size: var(--text-lg);
    line-height: 1.6;
}

/* 流程网格布局 */
.process-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

/* 流程连接线 */
.process-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--color-primary) 20%,
        var(--color-primary) 80%,
        transparent
    );
    opacity: 0.2;
    z-index: 0;
}

/* 流程卡片样式 */
.process-card {
    position: relative;
    padding: var(--spacing-6);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal) ease;
    z-index: 1;
    text-align: center;
}

.process-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* 步骤数字样式 */
.process-number {
    position: relative;
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-4);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    font-weight: 600;
    transition: all var(--transition-normal) ease;
}

/* 发光效果 */
.process-number::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0;
    z-index: -1;
    transition: all var(--transition-normal) ease;
}

.process-card:hover .process-number::after {
    opacity: 0.2;
    transform: scale(1.2);
}

/* 标题样式 */
.process-card h3 {
    color: var(--color-text-primary);
    font-size: var(--text-xl);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-4);
}

/* 描述文本样式 */
.process-card p {
    color: var(--color-text-secondary);
    text-align: center;
    line-height: 1.7;
    margin-bottom: var(--spacing-4);
}

/* 补充信息 */
.process-info {
    padding-top: var(--spacing-4);
    margin-top: var(--spacing-4);
    border-top: 1px solid var(--color-divider);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    text-align: center;
}

/* 动画效果 */
@keyframes cardFadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 主题色变化 */
.process-card:nth-child(1) .process-number {
    background: var(--color-primary);
}

.process-card:nth-child(2) .process-number {
    background: var(--color-primary-light);
}

.process-card:nth-child(3) .process-number {
    background: var(--color-accent);
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .cooperation-process {
        padding: var(--spacing-8) 0;
    }

    .process-grid::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .cooperation-process {
        padding: var(--spacing-6) 0;
    }

    .process-grid {
        gap: var(--spacing-4);
    }

    .process-card {
        padding: var(--spacing-4);
    }

    .process-number {
        width: 40px;
        height: 40px;
        font-size: var(--text-lg);
    }
}

@media (max-width: 640px) {
    .process-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* 打印样式优化 */
@media print {
    .cooperation-process {
        padding: var(--spacing-6) 0;
        background: none;
    }

    .process-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--color-border);
    }

    .process-grid::before {
        display: none;
    }

    .process-number {
        border: 2px solid currentColor;
        background: none;
        color: var(--color-text-primary);
    }
}