/*
     * CSS 变量占位符
     * 修改以下变量即可自定义品牌色彩
     */

:root {
    /* 品牌主色 - 控制中心层使用 */
    --primary: #3B82F6;
    /* 主色调 - 品牌蓝 */
    --primary-dark: #2563EB;
    /* 主色深色 */
    --primary-light: #60A5FA;
    /* 主色浅色 */
    --primary-glow: rgba(59, 130, 246, 0.4);
    /* 辅助色 - 客户端层使用 (紫色系) */
    --secondary: #8B5CF6;
    /* 活力紫 */
    --secondary-dark: #7C3AED;
    /* 紫色深色 */
    --secondary-light: #A78BFA;
    /* 紫色浅色 */
    --secondary-glow: rgba(139, 92, 246, 0.4);
    /* 强调色 - 节点层使用 (绿色系) */
    --accent: #10B981;
    /* 成功绿 */
    --accent-dark: #059669;
    /* 绿色深色 */
    --accent-light: #34D399;
    /* 绿色浅色 */
    --accent-glow: rgba(16, 185, 129, 0.4);
    /* 背景色 */
    --bg-dark: #0F172A;
    /* 深蓝黑 */
    --bg-secondary: #1E293B;
    /* 深灰蓝 */
    --bg-card: rgba(30, 41, 59, 0.8);
    --bg-glass: rgba(15, 23, 42, 0.9);
    /* 文字色 */
    --text-primary: #FFF;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    /* 字体 */
    --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace
}

/* ============================================
       基础样式
       ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden
}

/* ============================================
       粒子网格背景
       ============================================ */

.particle-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(59, 130, 246, 0.15) 1px, transparent 0);
    background-size: 40px 40px;
    animation: particle-float 20s linear infinite;
    pointer-events: none
}

@keyframes particle-float {
    0% {
        transform: translate(0, 0);
    } 100% {
          transform: translate(40px, 40px);
      }
}

/* ============================================
       光晕背景效果
       ============================================ */

.glow-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(59, 130, 246, 0.12), transparent), radial-gradient(ellipse 60% 40% at 20% 80%, rgba(139, 92, 246, 0.08), transparent), radial-gradient(ellipse 60% 40% at 80% 80%, rgba(16, 185, 129, 0.08), transparent);
    pointer-events: none
}

/* ============================================
       导航栏
       ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: transparent
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05)
}

/* ============================================
       三层架构方块堆叠 - Hero 核心视觉
       ============================================ */

.architecture-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    perspective: 1200px;
    position: relative;
    z-index: 10
}

/* 层级方块基础样式 */

.layer-block {
    width: 100%;
    max-width: 640px;
    padding: 2rem;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    transform-style: preserve-3d;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1)
}

.layer-block:hover {
    transform: translatey(-4px) scale(1.01)
}

/* 客户端层 - 紫色主题 */

.layer-client {
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.1), 0 20px 50px -20px rgba(139, 92, 246, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    animation: pulse-glow-purple 4s ease-in-out infinite
}

@keyframes pulse-glow-purple {
    0%, 100% {
        box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.1), 0 20px 50px -20px rgba(139, 92, 246, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    } 50% {
          box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.2), 0 25px 60px -15px rgba(139, 92, 246, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
      }
}

/* 节点层 - 绿色主题 */

.layer-node {
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.1), 0 20px 50px -20px rgba(16, 185, 129, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    animation: pulse-glow-green 4s ease-in-out infinite;
    animation-delay: 0.5s
}

@keyframes pulse-glow-green {
    0%, 100% {
        box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.1), 0 20px 50px -20px rgba(16, 185, 129, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    } 50% {
          box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.2), 0 25px 60px -15px rgba(16, 185, 129, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
      }
}

/* 控制层 - 蓝色主题 */

.layer-controller {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.1), 0 20px 50px -20px rgba(59, 130, 246, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    animation: pulse-glow-blue 4s ease-in-out infinite;
    animation-delay: 1s
}

@keyframes pulse-glow-blue {
    0%, 100% {
        box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.1), 0 20px 50px -20px rgba(59, 130, 246, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    } 50% {
          box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.2), 0 25px 60px -15px rgba(59, 130, 246, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
      }
}

/* ============================================
       数据流光连线
       ============================================ */

.data-connector {
    position: relative;
    width: 2px;
    height: 50px;
    overflow: visible
}

/* 连接线基础 */

.data-line {
    position: absolute;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.1) 20%, rgba(255, 255, 255, 0.1) 80%, transparent 100%)
}

/* 向上流动的光点 (客户端→节点) */

.data-packet-up {
    position: absolute;
    width: 4px;
    height: 24px;
    left: 50%;
    transform: translatex(-50%);
    border-radius: 2px;
    animation: flow-up 2.5s linear infinite
}

.data-packet-up.purple {
    background: linear-gradient(180deg, transparent, var(--secondary-light), var(--secondary), transparent);
    box-shadow: 0 0 10px var(--secondary-glow)
}

.data-packet-up.green {
    background: linear-gradient(180deg, transparent, var(--accent-light), var(--accent), transparent);
    box-shadow: 0 0 10px var(--accent-glow);
    animation-delay: 0.3s
}

@keyframes flow-up {
    0% {
        bottom: -24px;
        opacity: 0;
    } 10% {
          opacity: 1;
      } 90% {
            opacity: 1;
        } 100% {
              bottom: 100%;
              opacity: 0;
          }
}

/* 向下流动的光点 (控制→节点) */

.data-packet-down {
    position: absolute;
    width: 4px;
    height: 24px;
    left: 50%;
    transform: translatex(-50%);
    border-radius: 2px;
    animation: flow-down 2.5s linear infinite
}

.data-packet-down.blue {
    background: linear-gradient(180deg, transparent, var(--primary), var(--primary-light), transparent);
    box-shadow: 0 0 10px var(--primary-glow)
}

@keyframes flow-down {
    0% {
        top: -24px;
        opacity: 0;
    } 10% {
          opacity: 1;
      } 90% {
            opacity: 1;
        } 100% {
              top: 100%;
              opacity: 0;
          }
}

/* 双向流动指示 */

.flow-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem
}

/* ============================================
       层级内部组件网格
       ============================================ */

.component-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem
}

.component-item {
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: all 0.3s ease
}

.component-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translatey(-2px)
}

.layer-client .component-item:hover {
    border-color: rgba(139, 92, 246, 0.3)
}

.layer-node .component-item:hover {
    border-color: rgba(16, 185, 129, 0.3)
}

.layer-controller .component-item:hover {
    border-color: rgba(59, 130, 246, 0.3)
}

/* ============================================
       层级标签
       ============================================ */

.layer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem
}

.layer-badge.client {
    background: rgba(139, 92, 246, 0.15);
    color: var(--secondary-light);
    border: 1px solid rgba(139, 92, 246, 0.3)
}

.layer-badge.node {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-light);
    border: 1px solid rgba(16, 185, 129, 0.3)
}

.layer-badge.controller {
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-light);
    border: 1px solid rgba(59, 130, 246, 0.3)
}

/* ============================================
       按钮样式
       ============================================ */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 0.875rem
}

.btn-primary:hover {
    transform: translatey(-2px);
    box-shadow: 0 10px 30px -10px var(--primary-glow)
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-weight: 600;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 0.875rem
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2)
}

/* ============================================
       功能卡片
       ============================================ */

.feature-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease
}

.feature-card:hover {
    transform: translatey(-4px);
    border-color: rgba(148, 163, 184, 0.2)
}

/* 紫色主题卡片 */

.feature-card.purple:hover {
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 20px 40px -12px rgba(139, 92, 246, 0.2)
}

/* 绿色主题卡片 */

.feature-card.green:hover {
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 20px 40px -12px rgba(16, 185, 129, 0.2)
}

/* 蓝色主题卡片 */

.feature-card.blue:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 20px 40px -12px rgba(59, 130, 246, 0.2)
}

/* ============================================
       图标容器
       ============================================ */

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem
}

.icon-box.purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.1));
    color: var(--secondary)
}

.icon-box.green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.1));
    color: var(--accent)
}

.icon-box.blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.1));
    color: var(--primary)
}

/* ============================================
       数据流步骤
       ============================================ */

.flow-step {
    position: relative;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease
}

.flow-step:hover {
    border-color: rgba(59, 130, 246, 0.3)
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 0.75rem
}

/* 步骤间连接 */

.flow-connector {
    position: absolute;
    top: 50%;
    right: -2rem;
    width: 2rem;
    height: 2px;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.3), rgba(59, 130, 246, 0.1));
    transform: translatey(-50%)
}

@media (max-width: 1024px) {
    .flow-connector {
        display: none
    }
}

/* ============================================
       分隔线
       ============================================ */

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.2), transparent);
    margin: 0 auto;
    max-width: 800px
}

/* ============================================
       响应式调整
       ============================================ */

@media (max-width: 768px) {
    .layer-block {
        padding: 1.5rem;
        max-width: 100%
    }
    .component-grid {
        grid-template-columns: repeat(2, 1fr)
    }
    .data-connector {
        height: 40px
    }
}

/*
     * CSS 变量占位符
     * 修改以下变量即可自定义品牌色彩
     *
     * 当前主题：远程办公 - 安全绿
     */

:root {
    /* 主色调 - 远程办公主题色：安全绿 */
    --primary: #10B981;
    /* 主色调 - 安全绿 */
    --primary-dark: #059669;
    /* 主色深色 */
    --primary-light: #34D399;
    /* 主色浅色 */
    --primary-glow: rgba(16, 185, 129, 0.5);
    /* 辅助色 */
    --secondary: #06B6D4;
    /* 科技青 - 用于隧道高亮 */
    --secondary-glow: rgba(6, 182, 212, 0.4);
    --accent: #F59E0B;
    /* 警示橙 - 强调装饰 */
    /* 背景色 */
    --bg-dark: #0F172A;
    /* 深蓝黑 */
    --bg-secondary: #1E293B;
    /* 深灰蓝 */
    --bg-card: rgba(30, 41, 59, 0.8);
    --bg-glass: rgba(15, 23, 42, 0.9);
    /* 文字色 */
    --text-primary: #FFF;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    /* 字体 */
    --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
    /* Logo路径 - 可在此修改 */
    --logo-path: "./logo.svg";
    --logo-icon: "./logo-icon.svg"
}

/* ============================================
       粒子网格背景 - 绿色主题
       ============================================ */

.particle-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(16, 185, 129, 0.1) 1px, transparent 0);
    background-size: 40px 40px;
    animation: particle-float 25s linear infinite;
    pointer-events: none
}

.glow-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 20% 50%, rgba(16, 185, 129, 0.1), transparent), radial-gradient(ellipse 60% 40% at 80% 50%, rgba(6, 182, 212, 0.08), transparent);
    pointer-events: none
}

/* ============================================
       隧道拓扑图 - 远程办公核心视觉
       ============================================ */

.tunnel-topology {
    position: relative;
    width: 100%;
    max-width: 900px;
    height: 400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem
}

/* 远程用户组 */

.users-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 20
}

.user-device {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(148, 163, 184, 0.15), rgba(148, 163, 184, 0.05));
    border: 1px solid rgba(148, 163, 184, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease
}

.user-device:hover {
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.2)
}

.users-row {
    display: flex;
    gap: 1rem
}

/* 安全隧道区域 */

.secure-tunnel {
    position: absolute;
    left: 25%;
    right: 25%;
    height: 200px;
    border-radius: 100px;
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.1) 20%, rgba(16, 185, 129, 0.15) 50%, rgba(16, 185, 129, 0.1) 80%, rgba(16, 185, 129, 0.05) 100%);
    border: 2px solid rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    animation: tunnel-pulse 3s ease-in-out infinite;
    overflow: hidden
}

@keyframes tunnel-pulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(16, 185, 129, 0.2), inset 0 0 30px rgba(16, 185, 129, 0.05);
        border-color: rgba(16, 185, 129, 0.3);
    } 50% {
          box-shadow: 0 0 40px rgba(16, 185, 129, 0.4), inset 0 0 50px rgba(16, 185, 129, 0.1);
          border-color: rgba(16, 185, 129, 0.5);
      }
}

/* 隧道标签 */

.tunnel-label {
    text-align: center;
    z-index: 15
}

/* 流光数据流 */

.data-streams {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border-radius: 100px
}

.data-packet {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-light);
    box-shadow: 0 0 10px var(--primary-glow);
    animation: tunnel-flow 3s linear infinite
}

.data-packet:nth-child(1) {
    top: 30%;
    animation-delay: 0s
}

.data-packet:nth-child(2) {
    top: 50%;
    animation-delay: 0.5s
}

.data-packet:nth-child(3) {
    top: 70%;
    animation-delay: 1s
}

.data-packet:nth-child(4) {
    top: 40%;
    animation-delay: 1.5s
}

.data-packet:nth-child(5) {
    top: 60%;
    animation-delay: 2s
}

@keyframes tunnel-flow {
    0% {
        left: -10px;
        opacity: 0;
    } 10% {
          opacity: 1;
      } 90% {
            opacity: 1;
        } 100% {
              left: 100%;
              opacity: 0;
          }
}

/* 安全网关 */

.security-gateway {
    position: absolute;
    left: 50%;
    transform: translatex(-50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.1));
    border: 2px solid rgba(16, 185, 129, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 20;
    animation: gateway-pulse 2s ease-in-out infinite
}

@keyframes gateway-pulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
    } 50% {
          box-shadow: 0 0 40px rgba(16, 185, 129, 0.5);
      }
}

/* 企业核心业务区 */

.enterprise-core {
    width: 160px;
    height: 180px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
    border: 1px solid rgba(148, 163, 184, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 20
}

/* ============================================
       认证流程步骤
       ============================================ */

.auth-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    flex-wrap: wrap
}

.auth-step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 9999px;
    font-size: 0.75rem;
    color: var(--primary-light)
}

.auth-arrow {
    color: var(--primary)
}

.feature-card:hover {
    transform: translatey(-4px);
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 20px 40px -12px rgba(16, 185, 129, 0.2)
}

/* 图标容器 */

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.1));
    color: var(--primary)
}

/* ============================================
       场景卡片
       ============================================ */

.scenario-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.6), rgba(15, 23, 42, 0.6));
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease
}

.scenario-card:hover {
    border-color: rgba(16, 185, 129, 0.3);
    transform: translatey(-4px)
}

@media (max-width: 768px) {
    .tunnel-topology {
        flex-direction: column;
        height: auto;
        gap: 2rem;
        padding: 1rem
    }
    .users-group {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center
    }
    .user-device {
        width: 60px;
        height: 60px
    }
    .secure-tunnel {
        position: relative;
        left: auto;
        right: auto;
        width: 80px;
        height: 300px;
        border-radius: 40px
    }
    .data-packet {
        animation: tunnel-flow-vertical 3s linear infinite
    }
    @keyframes tunnel-flow-vertical {
        0% {
            top: -10px;
            opacity: 0;
        } 10% {
              opacity: 1;
          } 90% {
                opacity: 1;
            } 100% {
                  top: 100%;
                  opacity: 0;
              }
    }
    .security-gateway {
        left: 50%;
        transform: translatex(-50%)
    }
    .enterprise-core {
        width: 140px;
        height: 150px
    }
    .auth-steps {
        flex-direction: column
    }
    .auth-arrow {
        transform: rotate(90deg)
    }
}

/*
     * CSS 变量占位符
     * 修改以下变量即可自定义品牌色彩
     *
     * 当前主题：企业组网 - 科技蓝
     */

:root {
    /* 主色调 - 企业组网主题色：科技蓝 */
    --primary: #3B82F6;
    /* 主色调 - 科技蓝 */
    --primary-dark: #2563EB;
    /* 主色深色 */
    --primary-light: #60A5FA;
    /* 主色浅色 */
    --primary-glow: rgba(59, 130, 246, 0.5);
    /* 辅助色 */
    --secondary: #06B6D4;
    /* 科技青 - 用于DC节点 */
    --secondary-glow: rgba(6, 182, 212, 0.4);
    --accent: #EC4899;
    /* 极光粉 - 强调装饰 */
    /* 背景色 */
    --bg-dark: #0F172A;
    /* 深蓝黑 */
    --bg-secondary: #1E293B;
    /* 深灰蓝 */
    --bg-card: rgba(30, 41, 59, 0.8);
    --bg-glass: rgba(15, 23, 42, 0.9);
    /* 文字色 */
    --text-primary: #FFF;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    /* 字体 */
    --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
    /* Logo路径 - 可在此修改 */
    --logo-path: "./logo.svg";
    --logo-icon: "./logo-icon.svg"
}

.particle-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(59, 130, 246, 0.12) 1px, transparent 0);
    background-size: 40px 40px;
    animation: particle-float 25s linear infinite;
    pointer-events: none
}

.glow-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(59, 130, 246, 0.12), transparent), radial-gradient(ellipse 50% 40% at 20% 80%, rgba(6, 182, 212, 0.08), transparent), radial-gradient(ellipse 50% 40% at 80% 80%, rgba(6, 182, 212, 0.08), transparent);
    pointer-events: none
}

/* ============================================
       星型拓扑图 - 企业组网核心视觉
       ============================================ */

.star-topology {
    position: relative;
    width: 100%;
    max-width: 700px;
    height: 500px;
    margin: 0 auto
}

/* 中心节点 - HQ总部 */

.node-hq {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.05));
    border: 2px solid rgba(59, 130, 246, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 20;
    animation: pulse-hq 4s ease-in-out infinite;
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.2)
}

@keyframes pulse-hq {
    0%, 100% {
        box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
    } 50% {
          box-shadow: 0 0 60px rgba(59, 130, 246, 0.4);
      }
}

/* DC数据中心节点 */

.node-dc {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translatex(-50%);
    width: 100px;
    height: 100px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.05));
    border: 2px solid rgba(6, 182, 212, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 15;
    animation: pulse-dc 4s ease-in-out infinite 0.5s
}

@keyframes pulse-dc {
    0%, 100% {
        box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
    } 50% {
          box-shadow: 0 0 40px rgba(6, 182, 212, 0.4);
      }
}

/* 分支节点 */

.node-branch {
    position: absolute;
    width: 90px;
    height: 90px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(148, 163, 184, 0.1), rgba(148, 163, 184, 0.05));
    border: 1px solid rgba(148, 163, 184, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.3s ease
}

.node-branch:hover {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2)
}

/* 四个分支节点位置 */

.branch-1 {
    top: 25%;
    left: 10%
}

.branch-2 {
    top: 25%;
    right: 10%
}

.branch-3 {
    bottom: 15%;
    left: 15%
}

.branch-4 {
    bottom: 15%;
    right: 15%
}

/* ============================================
       流光连线 - SVG动画
       ============================================ */

.topology-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 5
}

/* 主链路 - 实线流光 */

.flow-line-main {
    fill: none;
    stroke: url(#gradient-blue);
    stroke-width: 2;
    stroke-dasharray: 10 5;
    animation: flow-move 2s linear infinite;
    opacity: 0.8
}

/* 备用链路 - 虚线流光 */

.flow-line-backup {
    fill: none;
    stroke: url(#gradient-cyan);
    stroke-width: 1.5;
    stroke-dasharray: 5 10;
    animation: flow-move 3s linear infinite reverse;
    opacity: 0.5
}

@keyframes flow-move {
    to {
        stroke-dashoffset: -30;
    }
}

/* 流光数据包 */

.flow-packet {
    fill: var(--primary-light);
    filter: drop-shadow(0 0 6px var(--primary-glow))
}

.feature-card:hover {
    transform: translatey(-4px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 20px 40px -12px rgba(59, 130, 246, 0.2)
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.1));
    color: var(--primary)
}

.scenario-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translatey(-4px)
}

@media (max-width: 768px) {
    .star-topology {
        height: 400px
    }
    .node-hq {
        width: 100px;
        height: 100px
    }
    .node-dc {
        width: 80px;
        height: 80px;
        top: 10%
    }
    .node-branch {
        width: 70px;
        height: 70px
    }
    .branch-1 {
        top: 20%;
        left: 5%
    }
    .branch-2 {
        top: 20%;
        right: 5%
    }
    .branch-3 {
        bottom: 10%;
        left: 10%
    }
    .branch-4 {
        bottom: 10%;
        right: 10%
    }
}

/* VI 规范样式 */

.gradient-hero {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%)
}

.glow-effect {
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.15), transparent), radial-gradient(ellipse 60% 40% at 80% 80%, rgba(6, 182, 212, 0.1), transparent)
}

.animated-grid {
    background-image: linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-move 20s linear infinite
}

@keyframes grid-move {
    0% {
        transform: translate(0, 0);
    } 100% {
          transform: translate(60px, 60px);
      }
}

.btn-glow:hover {
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.3)
}

.hover-card {
    transition: all 0.3s ease
}

.hover-card:hover {
    transform: translatey(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1)
}

/* 导航栏滚动效果 */

.navbar {
    transition: all 0.3s ease
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1)
}

/* 表单样式 */

.form-input {
    background: white;
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease
}

.form-input:focus {
    border-color: #3B82F6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1)
}

/* 24小时承诺脉冲高亮 */

.promise-highlight {
    animation: pulse-highlight 2s ease-in-out infinite
}

@keyframes pulse-highlight {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.1);
    } 50% {
          box-shadow: 0 0 20px 5px rgba(59, 130, 246, 0.2);
      }
}

/* 手风琴样式 */

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out
}

.accordion-content.open {
    max-height: 500px
}

/* 滚动条样式 */

::-webkit-scrollbar {
    width: 8px
}

::-webkit-scrollbar-track {
    background: #0F172A
}

::-webkit-scrollbar-thumb {
    background: #374151;
    border-radius: 4px
}

/*
     * CSS 变量占位符
     * 修改以下变量即可自定义品牌色彩
     *
     * 当前主题：多云互联 - 极光紫
     */

:root {
    /* 主色调 - 多云互联主题色：极光紫 */
    --primary: #8B5CF6;
    /* 主色调 - 极光紫 */
    --primary-dark: #7C3AED;
    /* 主色深色 */
    --primary-light: #A78BFA;
    /* 主色浅色 */
    --primary-glow: rgba(139, 92, 246, 0.5);
    /* 辅助色 */
    --secondary: #06B6D4;
    /* 科技青 - 用于云节点高亮 */
    --secondary-glow: rgba(6, 182, 212, 0.4);
    --accent: #EC4899;
    /* 极光粉 - 强调装饰 */
    /* 背景色 */
    --bg-dark: #0F172A;
    /* 深蓝黑 */
    --bg-secondary: #1E293B;
    /* 深灰蓝 */
    --bg-card: rgba(30, 41, 59, 0.8);
    --bg-glass: rgba(15, 23, 42, 0.9);
    /* 文字色 */
    --text-primary: #FFF;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    /* 字体 */
    --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
    /* Logo路径 - 可在此修改 */
    --logo-path: "./logo.svg";
    --logo-icon: "./logo-icon.svg"
}

/* ============================================
       粒子网格背景 - 紫色主题
       ============================================ */

.particle-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(139, 92, 246, 0.12) 1px, transparent 0);
    background-size: 40px 40px;
    animation: particle-float 25s linear infinite;
    pointer-events: none
}

.glow-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(139, 92, 246, 0.12), transparent), radial-gradient(ellipse 50% 40% at 20% 80%, rgba(236, 72, 153, 0.08), transparent), radial-gradient(ellipse 50% 40% at 80% 80%, rgba(6, 182, 212, 0.08), transparent);
    pointer-events: none
}

/* ============================================
       多云拓扑图 - 中心Hub + 环绕云节点
       ============================================ */

.cloud-topology {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 550px;
    margin: 0 auto
}

/* 中心 Hub 节点 */

.hub-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05));
    border: 2px solid rgba(139, 92, 246, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 20;
    animation: pulse-hub 4s ease-in-out infinite;
    box-shadow: 0 0 50px rgba(139, 92, 246, 0.3)
}

@keyframes pulse-hub {
    0%, 100% {
        box-shadow: 0 0 30px rgba(139, 92, 246, 0.3), inset 0 0 30px rgba(139, 92, 246, 0.1);
    } 50% {
          box-shadow: 0 0 70px rgba(139, 92, 246, 0.5), inset 0 0 50px rgba(139, 92, 246, 0.2);
      }
}

/* Hub 内核 */

.hub-inner {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3), transparent 70%);
    animation: rotate 20s linear infinite
}

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

/* 云节点 */

.cloud-node {
    position: absolute;
    width: 110px;
    height: 110px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
    border: 1px solid rgba(148, 163, 184, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 15;
    transition: all 0.3s ease
}

.cloud-node:hover {
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.2);
    transform: scale(1.05)
}

/* 云节点位置 - 圆形排列 */

.cloud-aws {
    top: 8%;
    left: 50%;
    transform: translatex(-50%)
}

.cloud-tencent {
    top: 25%;
    right: 8%
}

.cloud-aliyun {
    bottom: 20%;
    right: 12%
}

.cloud-ct {
    bottom: 20%;
    left: 12%
}

.cloud-idc {
    top: 25%;
    left: 8%
}

/* ============================================
       流光连线 - 星型辐射
       ============================================ */

.flow-line {
    fill: none;
    stroke: url(#gradient-purple);
    stroke-width: 2;
    stroke-dasharray: 8 4;
    animation: flow-move 2s linear infinite;
    opacity: 0.7
}

.flow-line-reverse {
    animation-direction: reverse;
    animation-duration: 2.5s
}

@keyframes flow-move {
    to {
        stroke-dashoffset: -24;
    }
}

/* 流光粒子 */

.flow-particle {
    fill: var(--primary-light);
    filter: drop-shadow(0 0 8px var(--primary-glow))
}

.feature-card:hover {
    transform: translatey(-4px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 20px 40px -12px rgba(139, 92, 246, 0.2)
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.1));
    color: var(--primary)
}

.scenario-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    transform: translatey(-4px)
}

@media (max-width: 768px) {
    .cloud-topology {
        height: 450px
    }
    .hub-core {
        width: 120px;
        height: 120px
    }
    .cloud-node {
        width: 85px;
        height: 85px
    }
    .cloud-aws {
        top: 5%
    }
    .cloud-tencent {
        top: 20%;
        right: 3%
    }
    .cloud-aliyun {
        bottom: 15%;
        right: 5%
    }
    .cloud-ct {
        bottom: 15%;
        left: 5%
    }
    .cloud-idc {
        top: 20%;
        left: 3%
    }
}

/* 文件上传区域 */

.file-drop-zone {
    border: 2px dashed rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease
}

.file-drop-zone:hover, .file-drop-zone.dragover {
    border-color: #3B82F6;
    background: rgba(59, 130, 246, 0.05)
}

/* 表单输入框样式 */

.form-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease
}

/* 品牌标准色 - 可在此修改 */

:root {
    --brand-primary: #3B82F6;
    /* 品牌蓝 - 主按钮、链接 */
    --brand-primary-dark: #2563EB;
    /* 品牌深蓝 - 按钮悬停 */
    --brand-primary-light: #60A5FA;
    /* 品牌浅蓝 - 高亮 */
    --brand-bg-dark: #0F172A;
    /* 深蓝黑 - Hero背景 */
    --brand-bg-secondary: #1E293B;
    /* 深灰蓝 - 次级背景 */
    --brand-bg-card: #1E293B;
    /* 卡片背景 */
    --brand-success: #10B981;
    /* 成功绿 - IrisNode */
    --brand-purple: #8B5CF6;
    /* 活力紫 - IrisClient */
    --brand-cyan: #06B6D4;
    /* 科技青 - 次级强调 */
    --brand-orange: #F59E0B;
    /* 警示橙 - IrisShop */
    --brand-pink: #EC4899;
    /* 粉红 - 装饰 */
    /* 字体系列 - 可在此修改 */
    --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, monospace;
    /* Logo路径 - 可在此修改 */
    --logo-path: "./logo.svg";
    --logo-icon-only: "./logo-icon.svg"
}

body {
    font-family: var(--font-primary);
    background-color: var(--brand-bg-dark);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden
}

/* ============================================
       背景效果
       ============================================ */

/* 网格背景动画 */

.animated-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-move 20s linear infinite;
    pointer-events: none
}

/* 光晕效果 */

.glow-effect {
    position: relative
}

.glow-effect::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.15), transparent), radial-gradient(ellipse 60% 40% at 80% 80%, rgba(6, 182, 212, 0.1), transparent);
    pointer-events: none;
    z-index: 0
}

/* 浮动动画 */

.float-animation {
    animation: float 6s ease-in-out infinite
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    } 50% {
          transform: translateY(-20px);
      }
}

/* ============================================
       流光边框效果 - 核心技术卡片
       ============================================ */

.feature-highlight {
    position: relative;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(16, 185, 129, 0.05));
    border-radius: 16px;
    overflow: visible
}

.feature-highlight::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 18px;
    background: linear-gradient(90deg, #3B82F6, #10B981, #8B5CF6, #F59E0B, #3B82F6);
    background-size: 400% 400%;
    animation: border-flow 6s ease infinite;
    z-index: -1;
    opacity: 0.8
}

.feature-highlight::after {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 18px;
    background: linear-gradient(90deg, #3B82F6, #10B981, #8B5CF6, #F59E0B, #3B82F6);
    background-size: 400% 400%;
    animation: border-flow 6s ease infinite;
    z-index: -2;
    filter: blur(10px);
    opacity: 0.4
}

@keyframes border-flow {
    0% {
        background-position: 0% 50%;
    } 50% {
          background-position: 100% 50%;
      } 100% {
            background-position: 0% 50%;
        }
}

/* 主题色流光边框 */

.feature-highlight-green::before, .feature-highlight-green::after {
    background: linear-gradient(90deg, #10B981, #34D399, #6EE7B7, #10B981);
    background-size: 300% 300%
}

.feature-highlight-blue::before, .feature-highlight-blue::after {
    background: linear-gradient(90deg, #3B82F6, #60A5FA, #93C5FD, #3B82F6);
    background-size: 300% 300%
}

.feature-highlight-purple::before, .feature-highlight-purple::after {
    background: linear-gradient(90deg, #8B5CF6, #A78BFA, #C4B5FD, #8B5CF6);
    background-size: 300% 300%
}

.feature-highlight-orange::before, .feature-highlight-orange::after {
    background: linear-gradient(90deg, #F59E0B, #FBBF24, #FCD34D, #F59E0B);
    background-size: 300% 300%
}

/* ============================================
       功能卡片样式
       ============================================ */

.feature-card {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden
}

.feature-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(59, 130, 246, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease
}

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

/* 模块标识边框 */

.feature-card.client::before {
    background: linear-gradient(135deg, transparent, rgba(139, 92, 246, 0.05))
}

.feature-card.client:hover {
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 20px 40px -12px rgba(139, 92, 246, 0.2)
}

.feature-card.node::before {
    background: linear-gradient(135deg, transparent, rgba(16, 185, 129, 0.05))
}

.feature-card.node:hover {
    border-color: rgba(16, 185, 129, 0.3);
    box-shadow: 0 20px 40px -12px rgba(16, 185, 129, 0.2)
}

.feature-card.platform::before {
    background: linear-gradient(135deg, transparent, rgba(59, 130, 246, 0.05))
}

.feature-card.platform:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 20px 40px -12px rgba(59, 130, 246, 0.2)
}

/* ============================================
       图标容器样式
       ============================================ */

.icon-container {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem
}

.icon-container.green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.1));
    color: #10B981
}

.icon-container.blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.1));
    color: #3B82F6
}

.icon-container.purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.1));
    color: #8B5CF6
}

.icon-container.orange {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.1));
    color: #F59E0B
}

.icon-container.cyan {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(6, 182, 212, 0.1));
    color: #06B6D4
}

/* 大图标容器 */

.icon-container-large {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem
}

/* ============================================
       标签样式
       ============================================ */

.module-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 1rem
}

.module-tag.client {
    background: rgba(139, 92, 246, 0.15);
    color: #A78BFA;
    border: 1px solid rgba(139, 92, 246, 0.3)
}

.module-tag.node {
    background: rgba(16, 185, 129, 0.15);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.3)
}

.module-tag.platform {
    background: rgba(59, 130, 246, 0.15);
    color: #60A5FA;
    border: 1px solid rgba(59, 130, 246, 0.3)
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    color: white;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none
}

.btn-primary:hover {
    transform: translatey(-2px);
    box-shadow: 0 10px 30px -10px rgba(59, 130, 246, 0.5)
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-weight: 600;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none
}

/* ============================================
       导航栏样式
       ============================================ */

/* ============================================
       分隔线样式
       ============================================ */

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.2), transparent);
    margin: 4rem 0
}

/* ============================================
       架构图样式
       ============================================ */

.architecture-box {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.8));
    border: 1px solid rgba(148, 163, 184, 0.15);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    transition: all 0.3s ease
}

.architecture-box:hover {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 0 30px -10px rgba(59, 130, 246, 0.3)
}

.architecture-line {
    width: 2px;
    height: 2rem;
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.5), rgba(59, 130, 246, 0.1));
    margin: 0 auto
}

.architecture-line-h {
    height: 2px;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.5), rgba(59, 130, 246, 0.1))
}

/* ============================================
       滚动提示动画
       ============================================ */

.scroll-indicator {
    animation: bounce 2s infinite
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    } 40% {
          transform: translateY(-10px);
      } 60% {
            transform: translateY(-5px);
        }
}

/* ============================================
       代码块样式
       ============================================ */

.code-block {
    font-family: var(--font-mono);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 8px;
    padding: 1rem;
    font-size: 0.875rem;
    color: #94A3B8
}

.code-block .comment {
    color: #64748B
}

.code-block .keyword {
    color: #C084FC
}

.code-block .string {
    color: #4ADE80
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem !important
    }
    .feature-highlight::before, .feature-highlight::after {
        inset: -1px;
        border-radius: 13px
    }
}

.inline-style-1 {
    animation-delay: 1.2s;
}

.inline-style-2 {
    background: linear-gradient(180deg, transparent, var(--accent), var(--accent-light), transparent);
}

.inline-style-3 {
    animation-delay: 0.8s;
}

.inline-style-4 {
    stop-color:#3B82F6;stop-opacity:0.2;
}

.inline-style-5 {
    stop-color:#60A5FA;stop-opacity:1;
}

.inline-style-6 {
    stop-color:#06B6D4;stop-opacity:0.2;
}

.inline-style-7 {
    stop-color:#22D3EE;stop-opacity:1;
}

.inline-style-8 {
    stop-color:#8B5CF6;stop-opacity:0.3;
}

.inline-style-9 {
    stop-color:#A78BFA;stop-opacity:1;
}

.inline-style-10 {
    background-image: radial-gradient(circle at 1px 1px, rgba(59,130,246,0.3) 1px, transparent 0); background-size: 40px 40px;
}:root {
     --iris-primary: #4C53F6;
     --iris-primary-dark: #3A40D9;
     --iris-sky: #60A5FA;
     --iris-success: #10B981;
     --iris-teal: #06B6D4;
     --iris-purple: #8B5CF6;
     --iris-orange: #F59E0B;
     --text-heading: #0F172A;
     --text-body: #334155;
     --text-muted: #64748B;
     --bg-page: #FFFFFF;
     --bg-alt: #F8FAFC;
     --border-gray: #E2E8F0;
     --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.04), 0 2px 4px -2px rgba(15, 23, 42, 0.02);
     --shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
 }

* {
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-page);
    color: var(--text-body);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.font-mono {
    font-family: 'JetBrains Mono', monospace;
}

.gradient-hero-light {
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 50%, #EEF0FE 100%);
}

.gradient-accent-light {
    background: linear-gradient(135deg, #EEF0FE 0%, #F0F9FF 50%, #F5F3FF 100%);
}

.text-gradient {
    background: linear-gradient(135deg, var(--iris-primary) 0%, var(--iris-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow-effect-light {
    box-shadow: 0 0 80px rgba(76, 83, 246, 0.08);
}

.glass-light {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

.animated-grid-light {
    background-image:
            linear-gradient(rgba(76, 83, 246, 0.02) 1px, transparent 1px),
            linear-gradient(90deg, rgba(76, 83, 246, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    background: var(--iris-primary);
    color: white;
    font-weight: 600;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--iris-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(76, 83, 246, 0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    background: white;
    color: var(--text-heading);
    font-weight: 600;
    border-radius: 0.5rem;
    border: 1px solid var(--border-gray);
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--iris-primary);
    color: var(--iris-primary);
    transform: translateY(-2px);
}

.card-hover {
    transition: all 0.25s ease;
}

.card-hover:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.breathe {
    animation: breathe 3s ease-in-out infinite;
}

.breathe-delay-1 {
    animation-delay: 1s;
}

.breathe-delay-2 {
    animation-delay: 2s;
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

.glow-pulse {
    animation: glowPulse 6s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.flow-particle {
    offset-path: path("M0,0 L100,0");
    animation: flowMove 2s linear infinite;
}

@keyframes flowMove {
    0% {
        offset-distance: 0%;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        offset-distance: 100%;
        opacity: 0;
    }
}

.section-pinned {
    position: relative;
}

.dash-line {
    stroke-dasharray: 6, 4;
}

.dashboard-grid-bg {
    background-image: linear-gradient(#E2E8F0 1px, transparent 1px), linear-gradient(90deg, #E2E8F0 1px, transparent 1px);
    background-size: 20px 20px;
}

.tech-c-progress {
    width: 0%;
}