/* 坂坂 - 商业计划书风格网站 */

/* ===== 变量定义 ===== */
:root {
    /* 主色调 - 专业深色系 */
    --primary: #1a1a1a;
    --primary-light: #2d2d2d;
    --accent: #FF6B6B;
    --accent-light: #FF8787;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-muted: #999999;
    --text-light: #cccccc;
    
    /* 背景色 */
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-gray: #F0F2F5;
    --bg-dark: #1a1a1a;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-dark: linear-gradient(180deg, #1a1a1a 0%, #2d2d2d 100%);
    
    /* 间距 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* 字体 */
    --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-display: 'SF Pro Display', var(--font-sans);
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
    
    /* 动画 */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== 容器 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #eee;
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1.25rem;
}

.nav-brand .logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.nav-info a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-info a:hover {
    color: var(--accent);
}

.divider {
    color: var(--text-light);
}

/* ===== 主视觉区 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 64px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    background: var(--bg-dark);
}

#mcp-visualization {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.hero-content {
    text-align: center;
    padding: var(--space-3xl) 0;
    position: relative;
    z-index: 1;
}

.product-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
    color: white;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.8;
}

/* 核心价值展示 */
.core-value {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto var(--space-2xl);
}

.value-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--space-lg);
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-base);
}

.value-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
}

.value-item h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
    color: white;
}

.value-item p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* ===== 按钮样式 ===== */
.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: white;
    color: var(--primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.125rem;
}

.btn-xl {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.25rem;
    border-radius: 12px;
}

/* ===== 章节通用样式 ===== */
section {
    padding: var(--space-3xl) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-xl);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    margin-top: calc(var(--space-xl) * -1);
}

/* ===== 产品定位 ===== */
.product-positioning {
    background: var(--bg-dark);
    color: white;
    padding: var(--space-3xl) 0;
}

.what-is-banban {
    max-width: 900px;
    margin: 0 auto;
}

.definition {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.definition h3 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.definition .highlight {
    color: var(--accent-light);
}

.definition p {
    font-size: 1.25rem;
    opacity: 0.9;
}

.dual-nature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    padding: var(--space-2xl);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.nature-item {
    flex: 1;
    text-align: center;
    padding: var(--space-lg);
}

.nature-item .icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.nature-item h4 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--accent-light);
}

.nature-item p {
    font-size: 1rem;
    opacity: 0.8;
    line-height: 1.6;
}

.plus {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-light);
}

/* ===== 简单说明 ===== */
.simple-explanation {
    background: white;
    padding: var(--space-3xl) 0;
}

.ecosystem-position-visual {
    max-width: 1000px;
    margin: 0 auto;
}

.position-statement {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.position-statement h3 {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.position-statement .highlight {
    color: var(--accent);
    font-weight: 800;
}

.position-statement p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.ecosystem-partners {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    padding: var(--space-2xl);
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

.partner-group {
    flex: 1;
    text-align: center;
}

.partner-group h4 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-md);
}

.logo-item {
    background: var(--bg-light);
    padding: var(--space-xs) var(--space-md);
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
}

.connection {
    position: relative;
    width: 120px;
}

.mcp-protocol {
    text-align: center;
}

.mcp-protocol span {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
}

.data-flow {
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.data-flow::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -10px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    animation: dataFlow 2s linear infinite;
}

@keyframes dataFlow {
    to {
        left: 110%;
    }
}

.partner-group.banban {
    background: var(--bg-light);
    padding: var(--space-lg);
    border-radius: 16px;
}

.banban-role img {
    width: 60px;
    height: 60px;
    margin-bottom: var(--space-sm);
    object-fit: contain;
}

.banban-role p {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.win-win {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    padding: var(--space-xl);
    border-radius: 16px;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.win-win h4 {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    color: var(--primary);
}

.benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.benefit {
    padding: var(--space-md);
    background: white;
    border-radius: 12px;
    text-align: center;
    font-size: 0.875rem;
    line-height: 1.6;
}

.benefit strong {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--primary);
}

.key-differences {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.diff-item {
    text-align: center;
    padding: var(--space-lg);
    background: var(--bg-light);
    border-radius: 16px;
    transition: var(--transition-base);
}

.diff-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: white;
}

.diff-item .icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.diff-item h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    font-weight: 700;
}

.diff-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.market-insight {
    text-align: center;
    font-size: 1.125rem;
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.market-insight strong {
    color: var(--primary);
}

/* ===== 商业逻辑 ===== */
.ecosystem-position {
    background: var(--bg-light);
}

.business-logic {
    max-width: 1000px;
    margin: 0 auto;
}

.logic-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.logic-item {
    flex: 1;
    text-align: center;
    padding: var(--space-xl);
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.logic-item .number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.logic-item h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    margin-top: var(--space-sm);
}

.logic-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.competitive-advantage {
    background: white;
    padding: var(--space-2xl);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.competitive-advantage h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    color: var(--primary);
}

.competitors {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.competitor {
    text-align: center;
    padding: var(--space-lg);
    border-radius: 12px;
    background: var(--bg-light);
    transition: var(--transition-base);
}

.competitor.us {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.05);
}

.competitor h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.competitor p {
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
    opacity: 0.8;
}

.competitor.us p {
    opacity: 0.9;
}

.weakness {
    color: #f44336;
    font-size: 0.875rem;
    font-weight: 600;
}

.strength {
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

/* ===== MCP生态位置 ===== */
.ecosystem-diagram {
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
}

.ecosystem-layer {
    background: white;
    padding: var(--space-lg);
    border-radius: 16px;
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.ecosystem-layer h3 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.ai-tools {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.tool {
    background: var(--bg-light);
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    font-weight: 600;
}

.mcp-box {
    text-align: center;
}

.mcp-box span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.mcp-box p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.ecosystem-layer.highlight {
    background: var(--gradient-primary);
    color: white;
}

.ecosystem-layer.highlight h3 {
    color: rgba(255, 255, 255, 0.8);
}

.banban-box {
    text-align: center;
}

.banban-box img {
    width: 60px;
    height: 60px;
    margin-bottom: var(--space-sm);
    object-fit: contain;
}

.banban-box h4 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.banban-box p {
    color: rgba(255, 255, 255, 0.9);
}

.ecosystem-insight {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ===== 工作原理 ===== */
.how-it-works {
    background: white;
}

.steps-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.step-item {
    flex: 1;
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.chat-bubble {
    background: var(--bg-light);
    padding: var(--space-md);
    border-radius: 16px;
    position: relative;
    text-align: left;
    font-size: 0.875rem;
}

.chat-bubble.user {
    background: var(--gradient-primary);
    color: white;
}

.code-block {
    background: var(--bg-dark);
    color: #e0e0e0;
    padding: var(--space-md);
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    text-align: left;
}

.visual-demo {
    background: var(--bg-light);
    padding: var(--space-lg);
    border-radius: 16px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.particle-flow {
    width: 100px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 20px;
    margin-bottom: var(--space-sm);
    position: relative;
    overflow: hidden;
}

.particle-flow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: -20px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transform: translateY(-50%);
    animation: flow 2s linear infinite;
}

@keyframes flow {
    to {
        left: 120px;
    }
}

.arrow {
    font-size: 2rem;
    color: var(--text-light);
}

/* ===== 核心创新 ===== */
.innovation-section {
    background: var(--bg-light);
}

.innovation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.innovation-card {
    background: white;
    padding: var(--space-xl);
    border-radius: 16px;
    transition: var(--transition-base);
}

.innovation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.innovation-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.innovation-header .number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-light);
}

.innovation-header h3 {
    font-size: 1.25rem;
    flex: 1;
}

.innovation-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.tech-stack {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.tech-stack span {
    background: var(--bg-light);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ===== 产品演示 ===== */
.demo-section {
    background: white;
}

.demo-animation {
    max-width: 1000px;
    margin: 0 auto;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8eaf6 100%);
    border-radius: 24px;
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
    cursor: pointer;
    position: relative;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.demo-animation::before {
    content: '简化演示';
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.demo-step {
    margin-bottom: var(--space-xl);
    position: relative;
    padding-left: var(--space-xl);
}

.demo-step::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 30px;
    bottom: calc(var(--space-xl) * -1);
    width: 2px;
    background: linear-gradient(to bottom, var(--text-light), transparent);
}

.demo-step:last-child::before {
    display: none;
}

.demo-step::after {
    content: '';
    position: absolute;
    left: 8px;
    top: 8px;
    width: 10px;
    height: 10px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

.step-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.chat-interface {
    margin-bottom: var(--space-lg);
}

.chat-bubble {
    display: inline-block;
    max-width: 400px;
    padding: var(--space-md) var(--space-lg);
    border-radius: 20px;
    position: relative;
}

.chat-bubble.user {
    background: var(--gradient-primary);
    color: white;
    margin-left: auto;
    margin-right: 0;
    display: block;
}

.chat-bubble.ai {
    background: white;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.demo-user-input,
.demo-ai-response,
.demo-result-text {
    min-height: 1.5em;
}

.cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: white;
    animation: blink 1s infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.demo-mcp-process {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 16px;
    padding: var(--space-xl);
    display: none;
    transition: opacity 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
}

.demo-mcp-process::before {
    content: 'MCP EXECUTION';
    position: absolute;
    top: var(--space-sm);
    right: var(--space-md);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    opacity: 0.5;
}

.mcp-calls-list {
    display: grid;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.mcp-call-item {
    background: white;
    padding: var(--space-lg);
    border-radius: 12px;
    transition: all 0.3s ease;
    transform: translateY(10px);
    opacity: 0;
    border: 2px solid transparent;
}

.mcp-call-item.executing {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(0) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.mcp-call-item.completed {
    background: #e8f5e9;
    border-color: #4caf50;
}

.mcp-call-content {
    width: 100%;
}

.mcp-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.mcp-tool {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    font-weight: 700;
    background: rgba(0, 0, 0, 0.1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 6px;
    white-space: nowrap;
}

.mcp-call-item.executing .mcp-tool {
    background: rgba(255, 255, 255, 0.2);
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.mcp-params {
    font-size: 0.875rem;
    color: var(--text-secondary);
    flex: 1;
}

.mcp-call-item.executing .mcp-params,
.mcp-call-item.completed .mcp-params {
    color: inherit;
}

.mcp-result {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.813rem;
    line-height: 1.6;
    transition: opacity 0.3s ease;
}

.mcp-call-item.executing .mcp-result {
    border-top-color: rgba(255, 255, 255, 0.2);
}

.mcp-call-item.completed .mcp-result {
    color: #2e7d32;
    font-weight: 500;
}

.particle-canvas {
    height: 120px;
    position: relative;
    margin-top: var(--space-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.particle-canvas::before {
    content: '🔄';
    font-size: 3rem;
    opacity: 0.1;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

#demo-particles {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.demo-result {
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8f4 100%);
    padding: var(--space-xl);
    border-radius: 16px;
    display: none;
    transition: opacity 0.3s ease;
    border: 2px solid #4caf50;
    text-align: left;
}

.result-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    display: inline-block;
}

.demo-result-text {
    white-space: pre-line;
    line-height: 1.8;
    color: #2e7d32;
    font-weight: 500;
}

.demo-controls {
    text-align: center;
    margin-top: var(--space-lg);
}

.replay-btn {
    background: var(--primary);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.replay-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

/* 智能特性 */
.intelligence-features {
    margin-top: var(--space-3xl);
    padding: var(--space-2xl);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
    border-radius: 24px;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.intelligence-features h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    color: var(--primary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.intel-feature {
    text-align: center;
}

.intel-feature .icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.intel-feature:nth-child(2) .icon {
    animation-delay: 0.5s;
}

.intel-feature:nth-child(3) .icon {
    animation-delay: 1s;
}

.intel-feature:nth-child(4) .icon {
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.intel-feature h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    font-weight: 700;
}

.intel-feature p {
    font-size: 0.813rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== 市场机遇 ===== */
.market-section {
    background: var(--bg-light);
}

.market-data {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.data-card {
    background: white;
    padding: var(--space-xl);
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-base);
}

.data-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.data-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
}

.stat-large {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.data-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.growth {
    color: #4caf50;
    font-weight: 600;
}

.opportunity {
    color: var(--accent);
    font-weight: 600;
}

.source {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===== 为什么是我们 ===== */
.why-us {
    background: white;
}

.advantages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.advantage-item {
    padding: var(--space-lg);
    border-left: 4px solid var(--gradient-primary);
    background: linear-gradient(to right, rgba(102, 126, 234, 0.05), transparent);
}

.advantage-item h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.advantage-item p {
    color: var(--text-secondary);
}

/* ===== 商业模式 ===== */
.business-model {
    background: var(--bg-light);
}

.revenue-streams {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto var(--space-2xl);
}

.stream {
    background: white;
    padding: var(--space-xl);
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-base);
}

.stream:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stream.featured {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.05);
}

.stream h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.stream .price {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.stream.featured .price {
    color: white;
}

.stream p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.stream.featured p {
    color: rgba(255, 255, 255, 0.9);
}

.revenue-projection {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.revenue-projection .highlight {
    color: var(--accent);
    font-weight: 700;
}

/* ===== 融资需求 ===== */
.investment-section {
    background: white;
}

.investment-ask {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-2xl);
    max-width: 900px;
    margin: 0 auto var(--space-2xl);
}

.ask-amount {
    text-align: center;
}

.ask-amount h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
}

.use-of-funds h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.fund-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.percentage {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    min-width: 80px;
}

.fund-item h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

.fund-item p {
    color: var(--text-secondary);
}

.milestones h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.milestone-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.milestone-timeline::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--text-light);
    z-index: -1;
}

.milestone {
    text-align: center;
    position: relative;
}

.milestone .date {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.milestone p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    max-width: 150px;
}

/* ===== 团队 ===== */
.team-section {
    background: var(--bg-light);
}

.founder-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: 16px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.founder-info {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.founder-info h3 {
    font-size: 2rem;
    margin-bottom: var(--space-xs);
}

.founder-info .title {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.credentials p {
    margin-bottom: var(--space-sm);
}

.founder-vision {
    background: var(--bg-light);
    padding: var(--space-lg);
    border-radius: 12px;
    text-align: center;
}

.founder-vision blockquote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--text-secondary);
}

/* ===== 行动召唤 ===== */
.cta-section {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
}

.launch-info {
    margin-bottom: var(--space-xl);
}

.launch-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 30px;
    font-size: 1.125rem;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.cta-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.urgency {
    font-size: 1rem;
    opacity: 0.8;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--space-xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-lg);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-sm);
    object-fit: contain;
}

.footer-contact a {
    color: var(--accent-light);
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .core-value {
        grid-template-columns: 1fr;
    }
    
    .key-differences {
        grid-template-columns: 1fr;
    }
    
    .dual-nature {
        flex-direction: column;
    }
    
    .plus {
        transform: rotate(90deg);
    }
    
    .ecosystem-partners {
        flex-direction: column;
        padding: var(--space-lg);
    }
    
    .connection {
        transform: rotate(90deg);
        margin: var(--space-lg) 0;
    }
    
    .benefits {
        grid-template-columns: 1fr;
    }
    
    .logic-flow {
        flex-direction: column;
    }
    
    .competitors {
        grid-template-columns: 1fr;
    }
    
    .steps-visual {
        flex-direction: column;
    }
    
    .arrow {
        transform: rotate(90deg);
    }
    
    .innovation-grid,
    .market-data,
    .revenue-streams {
        grid-template-columns: 1fr;
    }
    
    .advantages {
        grid-template-columns: 1fr;
    }
    
    .investment-ask {
        grid-template-columns: 1fr;
    }
    
    .milestone-timeline {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .milestone-timeline::before {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
    }
}

/* ===== 动画 ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes taskDecompose {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.1) rotate(180deg);
        opacity: 0.8;
    }
    100% {
        transform: scale(1) rotate(360deg);
        opacity: 1;
    }
}

.animate-in {
    animation: slideInUp 0.6s ease-out forwards;
}

.task-decomposing {
    animation: taskDecompose 1s ease-out;
}