/*
 * Docker容器计算页面样式
 * Container Computing Page Styles
 */

/* 引入主样式文件中的变量 */
@import url('./style.css');

/* ==================
   核心特性区域
   ================== */
.features-grid-4 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.feature-card {
    background: var(--color-white);
    padding: var(--space-8) var(--space-6);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--color-border-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-400));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
    border-radius: var(--radius-3xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
    transform: scale(1.1);
}

.feature-icon {
    font-size: var(--font-size-3xl);
    color: var(--color-primary-500);
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    color: var(--color-white);
    transform: rotateY(360deg);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
}

/* ==================
   适用场景区域
   ================== */
.use-cases-section {
    padding: var(--space-24) 0;
    background: linear-gradient(180deg, var(--color-bg-tertiary) 0%, var(--color-bg) 100%);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}


/* ==================
   响应式设计
   ================== */

.main-content .plan-btn:hover {
    background: #2f54eb;
    color: #ffffff;
    border-color: #2f54eb;
}

.main-content .plan-card.featured .plan-btn {
    background: linear-gradient(135deg, #2f54eb, #5b7ff7);
    color: #ffffff;
    border-color: #2f54eb;
}

.main-content .plan-card.premium .plan-btn {
    background: linear-gradient(135deg, #ff4d4f, #ff7875);
    color: #ffffff;
    border-color: #ff4d4f;
}

/* ==================
   响应式设计
   ================== */
@media (max-width: 1024px) {
    .features-grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
}

@media (max-width: 768px) {
    .features-grid-4 {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .feature-card {
        padding: var(--space-8) var(--space-6);
    }
}

@media (max-width: 480px) {
    .feature-card {
        padding: var(--space-6);
    }

    .feature-icon-wrapper {
        width: 64px;
        height: 64px;
        font-size: var(--font-size-2xl);
    }
}