/* ============================================
   智慧农业物联网平台 - 个性化设计系统
   设计概念："生长的数据" - 融合植物生长与数据科技美学
   ============================================ */

/* ===== CSS 变量 / 设计令牌 ===== */
:root {
  /* 主色调 - 森林到嫩芽的渐变 */
  --color-deep: #0A1F14;
  --color-primary: #1B4332;
  --color-secondary: #2D6A4F;
  --color-accent: #52B788;
  --color-glow: #74C69D;
  --color-mint: #B7E4C7;

  /* 数据科技色 */
  --color-data: #00D9FF;
  --color-data-dim: #0FB9D1;

  /* 收获暖色 */
  --color-harvest: #E9C46A;
  --color-soil: #774936;
  --color-sunset: #F4A261;

  /* 中性色 */
  --color-cream: #F8F9F4;
  --color-paper: #FFFFFF;
  --color-text: #1A2E1F;
  --color-text-mid: #4A5D50;
  --color-text-light: #F8FAFC;
  --color-border: rgba(27, 67, 50, 0.12);

  /* 字体 */
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* 间距系统 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-organic: 40% 60% 55% 45% / 55% 40% 60% 45%;

  /* 阴影 */
  --shadow-soft: 0 4px 20px rgba(27, 67, 50, 0.08);
  --shadow-medium: 0 8px 30px rgba(27, 67, 50, 0.12);
  --shadow-deep: 0 20px 60px rgba(10, 31, 20, 0.25);
  --shadow-glow: 0 0 40px rgba(82, 183, 136, 0.3);

  /* 过渡 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.4s var(--ease-out);
  --transition-slow: 0.8s var(--ease-out);

  /* 布局 */
  --container-max: 1280px;
  --nav-height: 72px;
}

/* ===== 重置 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-cream);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ===== 排版 ===== */
.font-serif { font-family: var(--font-serif); }
.font-mono { font-family: var(--font-mono); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent), var(--color-data));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-warm {
  background: linear-gradient(135deg, var(--color-harvest), var(--color-sunset));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(248, 249, 244, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(248, 249, 244, 0.95);
  box-shadow: var(--shadow-soft);
}

.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.nav-logo svg {
  width: 36px;
  height: 36px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-mid);
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-data));
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.4rem;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: white;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(45, 106, 79, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: white;
  box-shadow: 0 6px 20px rgba(45, 106, 79, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(45, 106, 79, 0.45);
}

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

.btn-outline:hover {
  background: var(--color-secondary);
  color: white;
  transform: translateY(-3px);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s var(--ease-out);
}

.btn-glow:hover::before { left: 100%; }

/* ===== 通用区块 ===== */
.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  background: rgba(82, 183, 136, 0.1);
  color: var(--color-secondary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.6; }
}

.section-title {
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-mid);
  line-height: 1.8;
}

/* ===== Hero 区域 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--nav-height);
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-deep) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
  color: var(--color-text-light);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(82, 183, 136, 0.3), transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(0, 217, 255, 0.15), transparent 50%);
}

/* 网格背景 */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(82, 183, 136, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(82, 183, 136, 0.08) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  min-height: calc(100vh - var(--nav-height));
  padding: 2rem 0;
}

.hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-text h1 .highlight {
  position: relative;
  display: inline-block;
  color: var(--color-glow);
}

.hero-text h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 0;
  right: 0;
  height: 12px;
  background: rgba(82, 183, 136, 0.3);
  z-index: -1;
  border-radius: 4px;
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(248, 250, 252, 0.8);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(248, 250, 252, 0.15);
}

.hero-stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-glow);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.6);
  margin-top: 0.3rem;
}

/* Hero 数据看板预览 */
.hero-dashboard {
  position: relative;
  background: rgba(10, 31, 20, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(82, 183, 136, 0.2);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-deep);
  animation: float-dashboard 6s ease-in-out infinite;
}

@keyframes float-dashboard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(82, 183, 136, 0.15);
}

.dashboard-title {
  font-size: 0.9rem;
  color: var(--color-glow);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff4757;
  animation: live-pulse 1.5s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(255, 71, 87, 0); }
}

.dashboard-time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: rgba(248, 250, 252, 0.5);
}

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.metric-card {
  background: rgba(82, 183, 136, 0.08);
  border: 1px solid rgba(82, 183, 136, 0.15);
  border-radius: var(--radius-sm);
  padding: 0.9rem;
  transition: all var(--transition-base);
}

.metric-card:hover {
  background: rgba(82, 183, 136, 0.15);
  transform: translateY(-2px);
}

.metric-label {
  font-size: 0.75rem;
  color: rgba(248, 250, 252, 0.6);
  margin-bottom: 0.3rem;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.metric-unit {
  font-size: 0.8rem;
  color: rgba(248, 250, 252, 0.5);
  margin-left: 0.2rem;
}

.metric-trend {
  font-size: 0.7rem;
  margin-top: 0.3rem;
}

.metric-trend.up { color: var(--color-accent); }
.metric-trend.down { color: var(--color-sunset); }

/* 图表区域 */
.dashboard-chart {
  background: rgba(10, 31, 20, 0.4);
  border-radius: var(--radius-sm);
  padding: 1rem;
  height: 120px;
  position: relative;
}

.chart-line {
  width: 100%;
  height: 100%;
}

/* ===== 浮动粒子 ===== */
.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-glow);
  border-radius: 50%;
  opacity: 0;
  animation: float-up linear infinite;
}

@keyframes float-up {
  0% {
    transform: translateY(100vh) translateX(0);
    opacity: 0;
  }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% {
    transform: translateY(-10vh) translateX(50px);
    opacity: 0;
  }
}

/* ===== 卡片组件 ===== */
.card {
  background: var(--color-paper);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
}

.card-glow::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(82, 183, 136, 0.1), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

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

/* ===== 核心模块卡片 ===== */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.module-card {
  background: var(--color-paper);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-slow);
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.module-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-deep);
}

.module-img {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  flex-shrink: 0;
}

.module-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.module-card:hover .module-img img {
  transform: scale(1.08);
}

.module-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 31, 20, 0.45) 100%);
  pointer-events: none;
}

.module-img-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.4rem 0.9rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 50px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 2;
  font-family: var(--font-mono);
}

.module-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(45, 106, 79, 0.25);
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.module-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.module-body {
  padding: 1.5rem 1.5rem 1.8rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.module-title {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.4;
}

.module-desc {
  color: var(--color-text-mid);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
  flex: 1;
}

.module-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.module-feature {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
  color: var(--color-secondary);
  background: rgba(82, 183, 136, 0.08);
  border: 1px solid rgba(82, 183, 136, 0.15);
  border-radius: 50px;
  font-weight: 500;
}

.module-feature svg {
  width: 13px;
  height: 13px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.module-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: auto;
  align-self: flex-start;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.module-link:hover {
  gap: 0.8rem;
  color: var(--color-accent);
}

/* ===== 数据对比条 ===== */
.compare-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.compare-label {
  width: 100px;
  font-size: 0.85rem;
  color: var(--color-text-mid);
}

.compare-track {
  flex: 1;
  height: 32px;
  background: var(--color-cream);
  border-radius: 50px;
  overflow: hidden;
  position: relative;
}

.compare-fill {
  height: 100%;
  border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 1rem;
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  transition: width 1.5s var(--ease-out);
  width: 0;
}

.compare-fill.traditional {
  background: linear-gradient(90deg, var(--color-soil), var(--color-sunset));
}

.compare-fill.smart {
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}

/* ===== 客户证言 ===== */
.testimonial-section {
  background: linear-gradient(180deg, var(--color-cream), var(--color-mint));
  position: relative;
  overflow: hidden;
}

.testimonial-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(82, 183, 136, 0.15), transparent 70%);
  border-radius: 50%;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--color-paper);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-medium);
}

.testimonial-quote {
  font-size: 3rem;
  font-family: var(--font-serif);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
  opacity: 0.3;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-data));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial-role {
  font-size: 0.85rem;
  color: var(--color-text-mid);
}

.testimonial-stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.testimonial-stat-num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent);
}

.testimonial-stat-label {
  font-size: 0.75rem;
  color: var(--color-text-mid);
}

/* ===== CTA 区域 ===== */
.cta-section {
  position: relative;
  padding: var(--space-2xl) 0;
  background: linear-gradient(135deg, var(--color-deep), var(--color-primary));
  color: var(--color-text-light);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(82, 183, 136, 0.2), transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(0, 217, 255, 0.1), transparent 50%);
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}

.cta-desc {
  font-size: 1.1rem;
  color: rgba(248, 250, 252, 0.7);
  margin-bottom: 2rem;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

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

.btn-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(255, 255, 255, 0.2);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-text-light);
  border: 2px solid rgba(248, 250, 252, 0.4);
}

.btn-outline-light:hover {
  background: rgba(248, 250, 252, 0.1);
  border-color: var(--color-text-light);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--color-deep);
  color: rgba(248, 250, 252, 0.7);
  padding: var(--space-2xl) 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .nav-logo {
  color: var(--color-glow);
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 0.8rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(82, 183, 136, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

.footer-social svg {
  width: 20px;
  height: 20px;
  color: var(--color-glow);
}

.footer-social a:hover svg { color: white; }

.footer-col h4 {
  color: var(--color-text-light);
  font-size: 1rem;
  margin-bottom: 1.2rem;
  font-family: var(--font-sans);
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col ul li a {
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-glow);
  padding-left: 5px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(82, 183, 136, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer-bottom a:hover { color: var(--color-glow); }

/* ===== 滚动动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== 数据流动画 ===== */
.data-flow {
  position: relative;
  overflow: hidden;
}

.data-flow::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.1), transparent);
  animation: data-stream 3s linear infinite;
}

@keyframes data-stream {
  0% { left: -50%; }
  100% { left: 150%; }
}

/* ===== 页面横幅 ===== */
.page-banner {
  padding: calc(var(--nav-height) + 3rem) 0 3rem;
  background: linear-gradient(135deg, var(--color-deep), var(--color-primary));
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(82, 183, 136, 0.2), transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 217, 255, 0.1), transparent 50%);
}

.page-banner .container { position: relative; z-index: 2; }

.page-banner h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.page-banner-desc {
  font-size: 1.1rem;
  color: rgba(248, 250, 252, 0.7);
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.5);
  margin-bottom: 1rem;
}

.breadcrumb a:hover { color: var(--color-glow); }

/* ===== 选型助手 ===== */
.wizard-section {
  padding: var(--space-2xl) 0;
  background: var(--color-cream);
}

.wizard-container {
  max-width: 900px;
  margin: 0 auto;
  background: var(--color-paper);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-medium);
}

.wizard-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
  position: relative;
}

.wizard-steps::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.wizard-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.wizard-step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-paper);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-text-mid);
  transition: all var(--transition-base);
}

.wizard-step.active .wizard-step-num {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  border-color: transparent;
  color: white;
  transform: scale(1.1);
}

.wizard-step.completed .wizard-step-num {
  background: var(--color-accent);
  border-color: transparent;
  color: white;
}

.wizard-step-label {
  font-size: 0.85rem;
  color: var(--color-text-mid);
  font-weight: 500;
}

.wizard-step.active .wizard-step-label { color: var(--color-primary); }

.wizard-panel { display: none; }
.wizard-panel.active { display: block; animation: fade-in 0.5s var(--ease-out); }

@keyframes fade-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.option-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.option-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.option-card.selected {
  border-color: var(--color-accent);
  background: rgba(82, 183, 136, 0.05);
  box-shadow: 0 0 0 4px rgba(82, 183, 136, 0.1);
}

.option-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.8rem;
  background: rgba(82, 183, 136, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.option-card.selected .option-icon {
  background: linear-gradient(135deg, var(--color-accent), var(--color-data));
}

.option-icon svg { width: 28px; height: 28px; color: var(--color-secondary); }
.option-card.selected .option-icon svg { color: white; }

.option-title {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}

.option-desc {
  font-size: 0.8rem;
  color: var(--color-text-mid);
}

.wizard-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
}

.wizard-result {
  display: none;
  background: rgba(82, 183, 136, 0.05);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-top: 2rem;
}

.wizard-result.show { display: block; animation: fade-in 0.5s var(--ease-out); }

/* ===== 数据看板页面 ===== */
.dashboard-page {
  padding: var(--space-2xl) 0;
  background: var(--color-deep);
  color: var(--color-text-light);
  min-height: 100vh;
}

.dashboard-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.dashboard-sidebar {
  background: rgba(82, 183, 136, 0.05);
  border: 1px solid rgba(82, 183, 136, 0.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  height: fit-content;
}

.sidebar-title {
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: rgba(248, 250, 252, 0.7);
  margin-bottom: 0.3rem;
}

.sidebar-item:hover {
  background: rgba(82, 183, 136, 0.1);
  color: var(--color-text-light);
}

.sidebar-item.active {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: white;
}

.sidebar-item svg { width: 20px; height: 20px; }

.sidebar-status {
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.dashboard-main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.dashboard-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.dash-card {
  background: rgba(82, 183, 136, 0.05);
  border: 1px solid rgba(82, 183, 136, 0.15);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--transition-base);
}

.dash-card:hover {
  background: rgba(82, 183, 136, 0.1);
  transform: translateY(-3px);
}

.dash-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.dash-card-label {
  font-size: 0.85rem;
  color: rgba(248, 250, 252, 0.6);
}

.dash-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(82, 183, 136, 0.15);
}

.dash-card-icon svg { width: 20px; height: 20px; color: var(--color-glow); }

.dash-card-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.dash-card-unit {
  font-size: 0.9rem;
  color: rgba(248, 250, 252, 0.5);
}

.dash-card-trend {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.chart-container {
  background: rgba(82, 183, 136, 0.05);
  border: 1px solid rgba(82, 183, 136, 0.15);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.chart-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.chart-tabs {
  display: flex;
  gap: 0.5rem;
}

.chart-tab {
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  color: rgba(248, 250, 252, 0.6);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chart-tab.active {
  background: var(--color-accent);
  color: var(--color-deep);
  font-weight: 600;
}

.alert-card {
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid rgba(255, 71, 87, 0.3);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.alert-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 71, 87, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.alert-icon svg { width: 20px; height: 20px; color: #ff4757; }

.alert-content { flex: 1; }
.alert-title { font-weight: 600; color: #ff4757; margin-bottom: 0.3rem; }
.alert-desc { font-size: 0.9rem; color: rgba(248, 250, 252, 0.7); }
.alert-time { font-size: 0.8rem; color: rgba(248, 250, 252, 0.4); margin-top: 0.5rem; }

/* ===== 案例页面 ===== */
.case-filter {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  color: var(--color-text-mid);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-base);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: white;
  border-color: transparent;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.case-card {
  background: var(--color-paper);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-base);
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
}

.case-img {
  height: 220px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  position: relative;
  overflow: hidden;
}

.case-img svg { width: 100%; height: 100%; }

.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-img img {
  transform: scale(1.08);
}

.case-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 31, 20, 0.5));
}

.case-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.3rem 0.8rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
}

.case-body { padding: 1.5rem; }

.case-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.case-location {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--color-text-mid);
  margin-bottom: 1rem;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1rem;
}

.case-stat-num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent);
  text-align: center;
}

.case-stat-label {
  font-size: 0.7rem;
  color: var(--color-text-mid);
  text-align: center;
}

/* ===== 关于我们 ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  aspect-ratio: 4/3;
}

.about-visual svg { width: 100%; height: 100%; }

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(10, 31, 20, 0.4));
  pointer-events: none;
}

/* Hero 背景图 */
.hero-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}

/* 页面横幅背景图 */
.page-banner-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}

.about-text h2 { margin-bottom: 1.5rem; }

.about-text p {
  color: var(--color-text-mid);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.value-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.value-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-data));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.value-icon svg { width: 22px; height: 22px; color: white; }

.value-title { font-weight: 600; color: var(--color-primary); margin-bottom: 0.3rem; }
.value-desc { font-size: 0.85rem; color: var(--color-text-mid); }

/* ===== 联系页面 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-deep));
  color: var(--color-text-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.contact-info-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(82, 183, 136, 0.2), transparent 70%);
  border-radius: 50%;
}

.contact-info-card h3 { color: var(--color-text-light); margin-bottom: 2rem; }

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(82, 183, 136, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg { width: 22px; height: 22px; color: var(--color-glow); }

.contact-item-label { font-size: 0.8rem; color: rgba(248, 250, 252, 0.5); margin-bottom: 0.2rem; }
.contact-item-value { font-size: 1rem; color: var(--color-text-light); }

.contact-form {
  background: var(--color-paper);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-medium);
}

.form-group { margin-bottom: 1.5rem; }

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-cream);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-paper);
  box-shadow: 0 0 0 4px rgba(82, 183, 136, 0.1);
}

.form-textarea { resize: vertical; min-height: 120px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 2rem; }
  .hero-dashboard { max-width: 500px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .dashboard-layout { grid-template-columns: 1fr; }
  .dashboard-sidebar { display: none; }
  .dashboard-metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --space-2xl: 4rem;
    --space-xl: 2.5rem;
  }

  body { overflow-x: hidden; }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(248, 249, 244, 0.98);
    backdrop-filter: blur(20px);
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform var(--transition-base);
    border-bottom: 1px solid var(--color-border);
    align-items: flex-start;
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
  }

  .nav-menu.active { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .hero { min-height: auto; padding-bottom: 3rem; }
  .hero-title { font-size: 2.2rem; }
  .hero-desc { font-size: 1rem; }
  .hero-stats { gap: 1.5rem; }
  .hero-stat-num { font-size: 1.5rem; }
  .hero-dashboard { padding: 1.2rem; }
  .dashboard-card-grid { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
  .dashboard-card { padding: 0.7rem; }
  .dashboard-card-num { font-size: 1.1rem; }
  .dashboard-card-label { font-size: 0.65rem; }

  /* 数据板块响应式 */
  .section [style*="grid-template-columns: repeat(4"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .section [style*="grid-template-columns: 1fr 1fr"][style*="gap: 2rem"][style*="margin-top: 1rem"] {
    grid-template-columns: 1fr !important;
  }

  .section { padding: var(--space-xl) 0; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .wizard-container { padding: 1.5rem; }
  .wizard-steps { gap: 0.5rem; }
  .wizard-step-label { font-size: 0.75rem; }

  .option-grid { grid-template-columns: 1fr 1fr; }

  .module-body { padding: 2rem 1.5rem 1.5rem; }

  .contact-form { padding: 1.5rem; }
  .contact-info-card { padding: 1.5rem; }

  .case-grid { grid-template-columns: 1fr; }

  .about-values { grid-template-columns: 1fr; }

  /* Dashboard页面响应式 */
  .dashboard-main { min-width: 0; width: 100%; }
  .alert-card { flex-direction: column; gap: 0.8rem; }
  .alert-content { min-width: 0; }
  .alert-desc { font-size: 0.85rem; }
  .alert-time { font-size: 0.75rem; }
  .dashboard-cards { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
  .dash-card { padding: 0.8rem; min-width: 0; }
  .dash-card-value { font-size: 1.4rem; }
  .dash-card-icon { width: 28px; height: 28px; }
  .dash-card-icon svg { width: 16px; height: 16px; }
  .chart-container { padding: 1rem; min-width: 0; overflow: hidden; }
  .chart-header { flex-direction: column; align-items: flex-start; gap: 0.8rem; }
  .chart-tabs { width: 100%; overflow-x: auto; }
  .chart-tab { white-space: nowrap; }

  /* 双图表区在手机端改单列 */
  .dashboard-main > div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  .data-table { font-size: 0.85rem; }
  .data-table th, .data-table td { padding: 0.6rem 0.4rem; }

  /* 表格卡片化 */
  .feature-comparison { display: block; }
  .feature-comparison thead { display: none; }
  .feature-comparison tr {
    display: block;
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1rem;
  }
  .feature-comparison td {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border: none;
    border-bottom: 1px dashed var(--color-border);
  }
  .feature-comparison td:last-child { border-bottom: none; }
  .feature-comparison td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--color-primary);
  }

  /* 农场案例筛选 */
  .filter-tabs { flex-wrap: wrap; gap: 0.5rem; }
  .filter-tab { font-size: 0.85rem; padding: 0.5rem 1rem; }

  /* 关于页面时间线 */
  .timeline { padding-left: 1.5rem; }

  /* 页面banner */
  .page-banner { padding: 3rem 0 2rem; }
  .page-banner h1 { font-size: 2rem; }

  /* 模块卡片 */
  .modules-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .module-card { flex-direction: row; }
  .module-img { width: 140px; height: auto; min-height: 180px; flex-shrink: 0; }
  .module-body { flex: 1; padding: 1.2rem 1.2rem 1.3rem; min-width: 0; }
  .module-icon { width: 40px; height: 40px; border-radius: 12px; margin-bottom: 0.7rem; }
  .module-icon svg { width: 20px; height: 20px; }
  .module-title { font-size: 1.05rem; margin-bottom: 0.4rem; }
  .module-desc { font-size: 0.82rem; line-height: 1.6; margin-bottom: 0.8rem; -webkit-line-clamp: 3; line-clamp: 3; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
  .module-features { gap: 0.3rem; margin-bottom: 0.8rem; }
  .module-feature { font-size: 0.72rem; padding: 0.2rem 0.55rem; }
  .module-feature svg { width: 11px; height: 11px; }
  .module-link { font-size: 0.85rem; }
  .module-img-tag { top: 0.7rem; left: 0.7rem; font-size: 0.65rem; padding: 0.3rem 0.65rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .hero-title { font-size: 1.8rem; }
  .hero-desc { font-size: 0.95rem; }

  /* 数据板块手机端：4列变1列 */
  .section [style*="grid-template-columns: repeat(4"] {
    grid-template-columns: 1fr !important;
  }

  .section [style*="grid-template-columns: repeat(2"] {
    grid-template-columns: 1fr !important;
  }

  .dashboard-metrics { grid-template-columns: 1fr 1fr; }
  .dashboard-cards { grid-template-columns: 1fr 1fr; }
  .dashboard-card-grid { grid-template-columns: 1fr 1fr; }

  .option-grid { grid-template-columns: 1fr; }

  .case-stats { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
  .case-stats .case-stat { padding: 0.6rem; }
  .case-stats .case-stat-num { font-size: 1.3rem; }

  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; justify-content: center; }

  .wizard-steps { flex-wrap: wrap; }

  .section-header h2 { font-size: 1.6rem; }
  .section-header p { font-size: 0.9rem; }

  /* 联系人信息 */
  .contact-info-list { gap: 1rem; }
  .contact-info-item { flex-direction: column; align-items: flex-start; gap: 0.5rem; }

  /* 关于我们团队 */
  .team-grid { grid-template-columns: 1fr; }

  /* 农场案例 */
  .case-filters { padding: 0.5rem; }
  .case-filters .filter-tabs { gap: 0.3rem; }
  .case-filters .filter-tab { padding: 0.4rem 0.8rem; font-size: 0.8rem; }

  /* 导航按钮 */
  .nav-toggle { width: 36px; height: 36px; }

  /* Hero 仪表板 */
  .hero-dashboard { padding: 1rem; }
  .dashboard-title { font-size: 0.8rem; }
  .dashboard-card { padding: 0.5rem; }
  .dashboard-card-num { font-size: 1rem; }
}

/* ===== 无障碍 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-dashboard { animation: none; }
}

:focus-visible {
  outline: 3px solid var(--color-data);
  outline-offset: 2px;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-cream); }
::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 50px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-secondary); }

/* ===== 选中文本 ===== */
::selection {
  background: var(--color-accent);
  color: white;
}