/* Agent Infra 文档系统 - 统一设计风格 V3.0 */

/* ===== CSS变量 - 统一配色 ===== */
:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --accent: #00d9ff;
    --success: #10b981;
    --bg-dark: #0f172a;
    --bg-light: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
}

/* ===== 基础重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-light);
    min-height: 100vh;
    font-size: 16px;
}

/* ===== 容器布局 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* ===== 统一顶部导航 ===== */
.top-nav {
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 8px 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.top-nav .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-nav .nav-back {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.8rem;
}

.top-nav .nav-back:hover {
    text-decoration: underline;
}

.top-nav .nav-title {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
}

/* ===== 头部样式 - 统一深色风格 ===== */
.header {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 50%, #334155 100%);
    padding: 32px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.header h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.header p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.88rem;
    line-height: 1.5;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ===== 面包屑导航 ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 24px;
    background: white;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 4px 10px;
    border-radius: 6px;
}

.breadcrumb a:hover {
    background: rgba(102, 126, 234, 0.1);
}

.breadcrumb span {
    color: var(--text-secondary);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: 600;
}

/* ===== 内容区域 ===== */
.content-section {
    background: white;
    border-radius: 12px;
    padding: 28px;
    margin: 16px auto;
    max-width: 1200px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border);
    position: relative;
}

.section-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

/* ===== 组件卡片 - 紧凑布局 ===== */
.component-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 24px 0;
}

.component-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 
        0 4px 6px rgba(0, 0, 0, 0.04),
        0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f5;
    position: relative;
}

.component-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(135deg, transparent, rgba(102, 126, 234, 0.3), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

.component-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.15);
    border-color: transparent;
}

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

.component-header {
    padding: 18px 24px;
    color: white;
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
    overflow: hidden;
}

.component-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1));
}

.component-header .icon {
    font-size: 1.8em;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.component-header h3 {
    font-size: 1.15em;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.component-body {
    padding: 20px 24px 24px;
}

.component-body h4 {
    color: #1a1a2e;
    margin-bottom: 10px;
    margin-top: 18px;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.component-body h4:first-child {
    margin-top: 0;
}

.component-body h4::before {
    content: '';
    width: 4px;
    height: 16px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

.component-body > p {
    color: #444;
    font-size: 0.92rem;
    margin-bottom: 16px;
    line-height: 1.7;
}

.component-body ul {
    list-style: none;
    margin-bottom: 16px;
    margin-top: 10px;
}

.component-body li {
    padding: 8px 0;
    padding-left: 22px;
    position: relative;
    font-size: 0.88rem;
    color: #444;
    transition: all 0.2s;
    border-bottom: 1px solid #f5f5f5;
}

.component-body li:last-child {
    border-bottom: none;
}

.component-body li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    transition: transform 0.2s;
}

.component-body li:hover {
    color: #667eea;
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.05), transparent);
    padding-left: 32px;
}

.component-body li:hover::before {
    transform: translateX(4px);
}

/* ===== 深度分析卡片 - 紧凑布局 ===== */
.deep-analysis {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 14px;
    padding: 20px 24px;
    margin: 18px 0;
    border: 1px solid #e2e8f0;
}

.deep-analysis h4 {
    color: #667eea;
    margin-bottom: 14px;
    margin-top: 0;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.deep-analysis h4::before {
    display: none;
}

.deep-analysis .insight {
    background: white;
    border-left: 4px solid #00d9ff;
    padding: 14px 18px;
    margin: 12px 0;
    border-radius: 0 10px 10px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s;
    line-height: 1.6;
    font-size: 0.88rem;
}

.deep-analysis .insight:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 217, 255, 0.1);
}

.deep-analysis .insight strong {
    color: #1a1a2e;
    font-weight: 700;
}

.deep-analysis .industry-practice {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.06));
    border-left: 4px solid #667eea;
    padding: 14px 18px;
    margin: 12px 0;
    border-radius: 0 10px 10px 0;
    transition: all 0.3s;
    line-height: 1.6;
    font-size: 0.88rem;
}

.deep-analysis .industry-practice:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.1);
}

.deep-analysis .industry-practice strong {
    color: #4a4a6a;
    font-weight: 700;
}

/* ===== 了解更多链接 ===== */
.learn-more {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 14px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.learn-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.learn-more:hover::before {
    left: 100%;
}

.learn-more:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.45);
}

.learn-more::after {
    content: "→";
    transition: transform 0.3s;
    font-size: 1.1em;
}

.learn-more:hover::after {
    transform: translateX(5px);
}

/* ===== 标签样式 ===== */
.tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.72em;
    font-weight: 700;
    margin-left: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-new {
    background: linear-gradient(135deg, #00d9ff, #00ff88);
    color: #0a0a1a;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(0, 217, 255, 0.5); }
    50% { box-shadow: 0 0 15px rgba(0, 255, 136, 0.7); }
}

.tag-core {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.tag-enhanced {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #1a1a2e;
}

.tag-industry {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

/* ===== 颜色主题 ===== */
.theme-product .component-header { 
    background: linear-gradient(135deg, #667eea, #764ba2); 
}
.theme-app .component-header { 
    background: linear-gradient(135deg, #f093fb, #f5576c); 
}
.theme-orchestration .component-header { 
    background: linear-gradient(135deg, #4facfe, #00f2fe); 
}
.theme-impl .component-header { 
    background: linear-gradient(135deg, #11998e, #38ef7d); 
}
.theme-capability .component-header { 
    background: linear-gradient(135deg, #fa709a, #fee140); 
}
.theme-infra .component-header { 
    background: linear-gradient(135deg, #5c6bc0, #7986cb); 
}

/* ===== 层级总览卡片 ===== */
.layer-overview {
    background: linear-gradient(135deg, #fafbfc, #f0f4f8);
    border-radius: 14px;
    padding: 24px 28px;
    margin: 18px 0;
    border: 1px solid #e8ecf0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.layer-overview h3 {
    color: #1a1a2e;
    margin-bottom: 14px;
    font-size: 1.15rem;
    font-weight: 700;
}

.layer-overview .description {
    color: #444;
    font-size: 0.92rem;
    margin-bottom: 18px;
    line-height: 1.6;
}

.layer-overview .key-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

.layer-overview .key-point {
    background: white;
    padding: 16px 18px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.layer-overview .key-point:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.1);
    border-color: #667eea;
}

.layer-overview .key-point h4 {
    color: #667eea;
    font-size: 0.95rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.layer-overview .key-point p {
    color: #555;
    font-size: 0.82rem;
    line-height: 1.5;
}

/* ===== 导航卡片 ===== */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin: 24px 0;
}

.nav-card {
    background: white;
    border-radius: 14px;
    padding: 22px;
    text-decoration: none;
    color: inherit;
    border: 1px solid #f0f0f5;
    transition: all 0.3s ease;
    display: block;
    position: relative;
    overflow: hidden;
}

.nav-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.nav-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.nav-card .icon {
    font-size: 2rem;
    margin-bottom: 14px;
    display: block;
}

.nav-card h3 {
    color: #1a1a2e;
    margin-bottom: 10px;
    font-size: 1.05rem;
    font-weight: 700;
}

.nav-card p {
    color: #555;
    font-size: 0.85rem;
    line-height: 1.5;
}

.nav-card .arrow {
    margin-top: 14px;
    color: #667eea;
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: transform 0.3s;
}

.nav-card:hover .arrow {
    transform: translateX(10px);
}

/* ===== 页脚 ===== */
.footer {
    text-align: center;
    padding: 50px 30px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.05em;
}

.footer a {
    color: #00d9ff;
    text-decoration: none;
    transition: all 0.3s;
    padding: 10px 24px;
    border-radius: 25px;
    border: 1px solid rgba(0, 217, 255, 0.3);
    display: inline-block;
}

.footer a:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: #00d9ff;
    transform: translateY(-2px);
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2, #667eea);
}

/* ===== 选中文本样式 ===== */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: #1a1a2e;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    body {
        padding: 15px;
        font-size: 15px;
    }

    .header {
        padding: 40px 28px;
        border-radius: 22px;
    }
    
    .header h1 {
        font-size: 1.9em;
    }
    
    .content-section {
        padding: 35px 28px;
        border-radius: 22px;
    }
    
    .section-title {
        font-size: 1.6em;
    }
    
    .component-grid {
        gap: 30px;
    }

    .component-body {
        padding: 28px 25px;
    }

    .deep-analysis {
        padding: 25px 22px;
    }

    .deep-analysis .insight,
    .deep-analysis .industry-practice {
        padding: 20px 22px;
    }
    
    .nav-grid {
        grid-template-columns: 1fr;
    }

    .layer-overview {
        padding: 30px 25px;
    }

    .layer-overview .key-points {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.6em;
    }

    .breadcrumb {
        font-size: 0.95em;
        padding: 14px 18px;
    }

    .component-header {
        padding: 22px 25px;
    }

    .component-header h3 {
        font-size: 1.2em;
    }
}

/* ===== 动画效果 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(35px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-section {
    animation: fadeInUp 0.7s ease-out;
}

.component-card {
    animation: fadeInUp 0.7s ease-out;
    animation-fill-mode: both;
}

.component-card:nth-child(1) { animation-delay: 0.1s; }
.component-card:nth-child(2) { animation-delay: 0.2s; }
.component-card:nth-child(3) { animation-delay: 0.3s; }
.component-card:nth-child(4) { animation-delay: 0.4s; }
.component-card:nth-child(5) { animation-delay: 0.5s; }
.component-card:nth-child(6) { animation-delay: 0.6s; }
.component-card:nth-child(7) { animation-delay: 0.7s; }
.component-card:nth-child(8) { animation-delay: 0.8s; }

/* ===== 分隔线 ===== */
.section-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
    margin: 50px 0;
    border-radius: 1px;
}

/* ===== 统一Footer样式 ===== */
.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 32px 20px;
    text-align: center;
    margin-top: 40px;
}

.footer p {
    margin-bottom: 8px;
}

.footer .footer-note {
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
}

.footer .footer-links a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.85rem;
}

.footer .footer-links a:hover {
    color: white;
}