/* DeepSeek Agent 工作流专属样式表 style.css */
/* 核心设计哲学: 节点编排、自动执行路径、任务协作、DAG 流程图点阵画布与状态管道 */

:root {
  --bg-canvas: #090D1A;
  --bg-surface: #0F172A;
  --bg-card: #162036;
  --bg-card-hover: #1E2D4A;
  --bg-elevated: #1B263F;
  --bg-node: #111A2E;
  
  --border-subtle: #24324F;
  --border-active: #38BDF8;
  --border-dashed: rgba(56, 189, 248, 0.35);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  /* Agent 工作流特征色彩 */
  --flow-trigger: #F59E0B;   /* 触发节点: 亮琥珀 */
  --flow-router: #A855F7;    /* 分支路由: 霓虹紫 */
  --flow-exec: #3B82F6;      /* 自动执行: 拓扑蓝 */
  --flow-collab: #10B981;    /* 任务协作: 智造绿 */
  --flow-eval: #EC4899;      /* 质检评估: 极光粉 */
  --flow-cyan: #06B6D4;
  
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 10px 25px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.2);
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", Consolas, Monaco, "Courier New", monospace;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-canvas);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  background-color: var(--bg-canvas);
  background-image: radial-gradient(rgba(56, 189, 248, 0.12) 1px, transparent 1px);
  background-size: 28px 28px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* 1. 顶栏规范: Logo 靠左，导航居中，主按钮靠右；移动端只留 Logo 和菜单按钮 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 13, 26, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #FFFFFF 40%, var(--flow-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge-pipeline {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--flow-trigger);
  letter-spacing: 0.5px;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-center a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  padding: 6px 0;
  position: relative;
}

.nav-center a:hover,
.nav-center a.active {
  color: var(--flow-cyan);
}

.nav-center a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--flow-cyan);
  box-shadow: 0 0 10px var(--flow-cyan);
}

.header-action {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  background: linear-gradient(135deg, #0284C7 0%, var(--flow-cyan) 100%);
  color: #03101E;
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(6, 182, 212, 0.7);
  color: #03101E;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  background: rgba(22, 32, 54, 0.8);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: var(--flow-cyan);
  color: var(--flow-cyan);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.25);
  transform: translateY(-2px);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 1.5rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* 2. 首屏规范: 左文右图，约 560px + 584px；移动端文案在上，界面在下 */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(320px, 560px) minmax(340px, 584px);
  gap: 40px;
  align-items: center;
  justify-content: space-between;
}

/* 工作流导航面包屑 */
.workflow-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--flow-cyan);
  margin-bottom: 20px;
}

.workflow-pulse-node {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--flow-cyan);
  box-shadow: 0 0 8px var(--flow-cyan);
  animation: nodeGlow 2s infinite ease-in-out;
}

@keyframes nodeGlow {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 14px var(--flow-cyan); }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-title .text-flow-accent {
  background: linear-gradient(135deg, var(--flow-cyan) 0%, #38BDF8 50%, var(--flow-router) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

/* 自动化路径状态条 */
.workflow-pipeline-bar {
  display: flex;
  gap: 16px;
  padding: 12px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.pipeline-step-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.step-status-bullet {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.bullet-trigger { background: var(--flow-trigger); box-shadow: 0 0 6px var(--flow-trigger); }
.bullet-router { background: var(--flow-router); box-shadow: 0 0 6px var(--flow-router); }
.bullet-exec { background: var(--flow-exec); box-shadow: 0 0 6px var(--flow-exec); }
.bullet-collab { background: var(--flow-collab); box-shadow: 0 0 6px var(--flow-collab); }

/* 首屏右侧工作流 DAG 画布界面 (约 584px) */
.hero-workflow-canvas {
  position: relative;
  background: var(--bg-node);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(6, 182, 212, 0.2);
}

.workflow-canvas-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  opacity: 0.88;
  transition: transform 0.5s ease;
}

.hero-workflow-canvas:hover .workflow-canvas-img {
  transform: scale(1.02);
}

/* 工作流悬浮节点卡片 */
.overlay-flow-node {
  position: absolute;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  z-index: 2;
  font-size: 0.82rem;
}

.node-trigger-overlay {
  top: 18px;
  left: 18px;
  border-color: rgba(245, 158, 11, 0.6);
}

.node-collab-overlay {
  bottom: 18px;
  right: 18px;
  border-color: rgba(16, 185, 129, 0.6);
}

.flow-node-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}
.badge-trigger { color: var(--flow-trigger); }
.badge-collab { color: var(--flow-collab); }

.flow-node-title {
  color: var(--text-main);
  font-weight: 600;
}

/* 通用模块标题规范 */
.section-header-center {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}

.workflow-section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--flow-cyan);
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 3. 能力规范: 居中标题 + 四列实心卡片 (768px两列, 480px一列) */
.ability-section {
  padding: 80px 0;
}

.ability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.solid-workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.solid-workflow-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--node-accent, var(--flow-cyan)), transparent);
}

.solid-workflow-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: var(--node-accent, var(--flow-cyan));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(6, 182, 212, 0.2);
}

.node-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--node-accent, var(--flow-cyan));
}

.solid-workflow-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.solid-workflow-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.node-route-port {
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--node-accent, var(--flow-cyan));
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 4. 场景规范: 居中标题 + 五列卡片，背景抬起 (移动端一列) */
.scene-section {
  padding: 85px 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.scene-flow-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.scene-flow-card:hover {
  border-color: var(--flow-cyan);
  background: var(--bg-card);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.flow-step-tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(6, 182, 212, 0.12);
  color: var(--flow-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  margin-bottom: 14px;
}

.scene-flow-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.scene-flow-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.flow-exec-mode {
  margin-top: auto;
  padding-top: 14px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--flow-collab);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 5. 产品规范: 居中标题 + 四列描边卡片 (同能力区: 768px两列, 480px一列) */
.product-section {
  padding: 80px 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.outline-workflow-card {
  background: transparent;
  border: 2px dashed var(--border-dashed);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  transition: var(--transition);
}

.outline-workflow-card:hover {
  background: rgba(22, 32, 54, 0.5);
  border-style: solid;
  border-color: var(--flow-cyan);
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.2);
  transform: translateY(-4px);
}

.outline-node-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--flow-trigger);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.outline-workflow-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.outline-workflow-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.outline-node-specs {
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.outline-node-specs li {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.outline-node-specs li::before {
  content: '⚡';
  color: var(--flow-cyan);
  font-size: 0.8rem;
}

/* 6. 接入规范: 左文右图，背景抬起 (移动端: 文案在上，示意图在下) */
.access-section {
  padding: 85px 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.access-grid {
  display: grid;
  grid-template-columns: minmax(320px, 560px) minmax(340px, 584px);
  gap: 48px;
  align-items: center;
}

.access-visual-box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 0 35px rgba(6, 182, 212, 0.2);
}

.access-visual-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

.access-workflow-steps {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-flow-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.step-node-index {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--flow-cyan);
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid var(--flow-cyan);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-node-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-node-text p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* 7. 下载规范: 左图右文 (移动端: 图在上，文案在下) */
.download-section {
  padding: 85px 0;
}

.download-grid {
  display: grid;
  grid-template-columns: minmax(340px, 584px) minmax(320px, 560px);
  gap: 48px;
  align-items: center;
}

.download-visual-box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 0 35px rgba(168, 85, 247, 0.2);
}

.download-visual-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

.download-runners-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.runner-card {
  padding: 16px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: var(--text-main);
  transition: var(--transition);
}

.runner-card:hover {
  border-color: var(--flow-cyan);
  background: var(--bg-card);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.3);
  transform: translateY(-2px);
}

.runner-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

.runner-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.runner-icon {
  font-size: 1.25rem;
  color: var(--flow-cyan);
}

/* 8. 数据规范: 四格数字 + 下面一条通栏按钮 (数字先两列再一列，按钮区改为上下排) */
.data-section {
  padding: 80px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.metrics-four-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 36px;
}

.metric-flow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 26px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.metric-flow-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--flow-cyan);
  box-shadow: 0 0 12px var(--flow-cyan);
}

.metric-flow-num {
  font-family: var(--font-mono);
  font-size: 2.7rem;
  font-weight: 800;
  color: var(--flow-cyan);
  line-height: 1.1;
  margin-bottom: 8px;
}

.metric-flow-label {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.full-width-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-node);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 36px;
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.15);
}

.action-bar-text h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.action-bar-text p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.action-bar-btn-group {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}

/* 9. 问答规范: 居中标题，内容收窄到约 840px，问题竖排 (保持单列，工具条改为上下排) */
.faq-section {
  padding: 85px 0;
}

.faq-container-narrow {
  max-width: 840px;
  margin: 0 auto;
}

.faq-vertical-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-flow-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 24px;
  transition: var(--transition);
}

.faq-flow-item:hover {
  border-color: var(--flow-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.15);
}

.faq-question-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.faq-node-marker {
  color: var(--flow-trigger);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.faq-answer-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-tools-bar {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 24px;
}

.faq-tools-info {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.faq-tools-btn {
  font-size: 0.88rem;
  color: var(--flow-cyan);
  text-decoration: none;
  font-weight: 600;
}

/* 10. 资讯规范: 六张横卡竖排，左图约 320px，右文占剩余 (图缩小，再往下改成图在上、文在下) */
.news-section {
  padding: 85px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.news-vertical-stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-horizontal-card {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.news-horizontal-card:hover {
  border-color: var(--flow-cyan);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.news-thumb-box {
  width: 320px;
  flex-shrink: 0;
  overflow: hidden;
}

.news-thumb-img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.news-horizontal-card:hover .news-thumb-img {
  transform: scale(1.05);
}

.news-content-box {
  flex: 1;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.news-flow-tag {
  color: var(--flow-cyan);
  font-weight: 600;
}

.news-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
}

.news-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 11. 页脚规范: 品牌简介约 1.6 份，后面三列链接各 1 份 (先两列，再一列) */
.site-footer {
  padding: 70px 0 30px;
  background: var(--bg-canvas);
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 380px;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--flow-cyan);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--flow-cyan);
  padding-left: 4px;
}

.footer-bottom-bar {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* 工作流交互式编排看板组件 */
.workflow-studio-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 30px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.studio-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: #0A1120;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.dag-pipeline-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px;
  position: relative;
}

.dag-node-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 18px;
  position: relative;
}

.dag-node-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 10px;
  font-weight: 700;
}

.code-flow-box {
  background: #070B14;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #E2E8F0;
  line-height: 1.6;
  overflow-x: auto;
}

/* 响应式断点系统 */

@media (max-width: 1024px) {
  .hero-grid, .access-grid, .download-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-workflow-canvas, .access-visual-box, .download-visual-box {
    max-width: 584px;
    margin: 0 auto;
    width: 100%;
  }
  .scene-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dag-pipeline-flow {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 768px 平板与手机端 */
@media (max-width: 768px) {
  /* 1. 顶栏: 只留 Logo 和菜单按钮 */
  .nav-center, .header-action .btn-primary, .header-action .btn-outline {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  
  /* 2. 首屏: 文案在上，界面在下 */
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  
  /* 3. 能力: 768px 以下两列 */
  .ability-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 4. 场景: 一列 */
  .scene-grid {
    grid-template-columns: 1fr;
  }
  
  /* 5. 产品: 同能力区 (768px 以下两列) */
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 6. 接入: 文案在上，示意图在下 */
  .access-grid {
    display: flex;
    flex-direction: column;
  }
  .access-text-box { order: 1; }
  .access-visual-box { order: 2; width: 100%; }
  
  /* 7. 下载: 图在上，文案在下 */
  .download-grid {
    display: flex;
    flex-direction: column;
  }
  .download-visual-box { order: 1; width: 100%; }
  .download-text-box { order: 2; }
  
  /* 8. 数据: 数字先两列，按钮区改为上下排 */
  .metrics-four-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .full-width-action-bar {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
  .action-bar-btn-group {
    width: 100%;
    flex-direction: column;
  }
  
  /* 9. 问答: 工具条改为上下排 */
  .faq-tools-bar {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
  
  /* 10. 资讯: 图缩小 */
  .news-thumb-box {
    width: 220px;
  }
  
  /* 11. 页脚: 先两列 */
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dag-pipeline-flow {
    grid-template-columns: 1fr;
  }
}

/* 480px 小屏手机端 */
@media (max-width: 480px) {
  /* 3. 能力: 480px 以下一列 */
  .ability-grid {
    grid-template-columns: 1fr;
  }
  
  /* 5. 产品: 480px 以下一列 */
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  /* 8. 数据: 数字再一列 */
  .metrics-four-grid {
    grid-template-columns: 1fr;
  }
  
  /* 10. 资讯: 再往下改成图在上、文在下 */
  .news-horizontal-card {
    flex-direction: column;
  }
  .news-thumb-box {
    width: 100%;
    height: 180px;
  }
  .news-content-box {
    padding: 20px;
  }
  
  /* 11. 页脚: 再一列 */
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}