@font-face {
  font-family: 'HarmonyOS Sans';
  font-weight: 400;
  src: url('../fonts/HarmonyOS_Sans_SC_Regular.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'HarmonyOS Sans';
  font-weight: 500;
  src: url('../fonts/HarmonyOS_Sans_SC_Medium.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'HarmonyOS Sans';
  font-weight: 700;
  src: url('../fonts/HarmonyOS_Sans_SC_Bold.woff2') format('woff2');
  font-display: swap;
}


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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "HarmonyOS Sans", "Microsoft YaHei", "Hiragino Sans GB", ui-sans-serif, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
input, select, textarea, button, option{vertical-align: middle;resize: none; -webkit-appearance: none !important; appearance: none;outline: none;border: none; background: transparent; font-family:"HarmonyOS Sans", "Microsoft YaHei", Helvetica, Arial, sans-serif;}

input[type="text"], input[type="button"], input[type="submit"], input[type="reset"] { -webkit-appearance: none; appearance: none;}

@supports selector(::-webkit-scrollbar) {
  html::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  html::-webkit-scrollbar-thumb {
    border-radius: 50px;
    background: #a68bff;
  }

  html::-webkit-scrollbar-track {
    border-radius: 10px !important;
    background: rgba(22, 22, 29, 0.5) !important;
  }

  html::-webkit-scrollbar-thumb:hover {
    background: #a68bff;
  }
}

/* ===== 设计系统 - 深色科技风格 ===== */
:root {

  /* 深色基调 */
  --background: #181d27;
  --foreground: #f8fafc;
  --card: #16161d;
  --card-foreground: #f8fafc;
  --popover: #16161d;
  --popover-foreground: #f8fafc;
  --mute: #94a3b8;

  /* 紫蓝主色 */
  --primary: #a68bff;
  --primary-foreground: #181d27;
  --primary-glow: #8b5cf6;
  --primary-dark: #7c3aed;

  /* 强调色 */
  --accent: #3b82f6;
  --accent-foreground: #f8fafc;

  /* 次要色 */
  --secondary: #1e1e2e;
  --secondary-foreground: #94a3b8;

  /* 静音色 */
  --muted: #1e1e2e;
  --muted-foreground: #64748b;

  /* 破坏性 */
  --destructive: #ef4444;
  --destructive-foreground: #f8fafc;

  /* 边框和输入 */
  --border: rgba(148, 163, 184, 0.15);
  --border-hover: rgba(168, 85, 247, 0.4);
  --input: #1a1a24;
  --ring: #a68bff;

  /* 图表色 */
  --chart-1: #a68bff;
  --chart-2: #8b5cf6;
  --chart-3: #3b82f6;
  --chart-4: #22c55e;
  --chart-5: #f59e0b;

  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #a68bff, #3b82f6);
  --gradient-primarys:linear-gradient(90deg, #a68bff, rgba(30, 30, 46, 0));
  --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(168, 85, 247, 0.15), transparent 60%),
                   radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.1), transparent 50%);
  --gradient-card: linear-gradient(135deg, rgba(22, 22, 29, 0.9), rgba(17, 17, 24, 0.95));

  /* 阴影 */
  --shadow-glow: 0 0 40px -10px rgba(168, 85, 247, 0.3);
  --shadow-card: 0 8px 32px -8px rgba(0, 0, 0, 0.4);

  /* 圆角 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
}

/* ===== 页面基础 ===== */
body {
  background-color: var(--background);
  min-height: 100vh;
}

/* 网格背景 */
.bg-grid {
  background-image:
    linear-gradient(to right, rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
    background-size: 48px 48px;
}

/* 渐变文字 */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 渐变边框卡片 */
.gradient-border {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  transition: all 0.3s ease;
}

.gradient-border:hover {
  border-color: var(--border-hover);
}

/* 玻璃态导航 */
.glass-nav {
  background: rgba(17, 17, 24, 0.8);
  backdrop-filter: blur(12px);
  /* border-bottom: 1px solid var(--border); */
}

/* 主按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--gradient-primarys);
  color:var(--foreground);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-size: 0.875rem;
}

.btn-primary:hover {
  transform: scale(1.05);
}

.btn-primary svg {
  transition: transform 0.2s ease;
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* 次要按钮 */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: rgba(148, 163, 184, 0.1);
  color: var(--foreground);
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-size: 0.875rem;
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(168, 85, 247, 0.1);
}

/* Tab 按钮 */
.btn-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid var(--border);
  background: rgba(30, 30, 46, 0.5);
  color: var(--muted-foreground);
}

.btn-tab:hover {
  border-color: rgba(168, 85, 247, 0.4);
  color: var(--foreground);
}

.btn-tab.active {
  background: var(--gradient-primarys);
  border-color: transparent;
  color: white;
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
  color:#000000;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
}

.logo-subtitle {
  font-size: 0.625rem;
  color: var(--muted-foreground);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 0.875rem;
  color: var(--accent-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.nav-links a:hover {
  color: var(--primary);
  background: rgba(148, 163, 184, 0.1);
}

.nav-cta {
  display: none;
}

.mobile-menu-btn {
  display: flex;
  padding: 0.5rem;
  background: none;
  border: none;
  color: var(--foreground);
  cursor: pointer;
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.98);
  z-index: 99;
  padding: 5rem 1.5rem 1.5rem;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  padding: 1rem;
  color: var(--foreground);
  text-decoration: none;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.mobile-menu a:hover {
  background: rgba(148, 163, 184, 0.1);
}

/* ===== Hero 区域 ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.25rem 4rem;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(168, 85, 247, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168, 85, 247, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-glow-1 {
  position: absolute;
  left: 20%;
  top: 20%;
  width: 300px;
  height: 300px;
  background: var(--primary);
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.hero-glow-2 {
  position: absolute;
  right: 20%;
  bottom: 30%;
  width: 400px;
  height: 400px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: clamp(1.75rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 1rem;
  color: var(--muted-foreground);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 3rem;
}

/* 统计数据 */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 700px;
  margin: 0 auto;
}

.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  text-align: left;
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: var(--border-hover);
  transform: scale(1.05);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  margin-top: 0.25rem;
}

.stat-sub {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.125rem;
}

.hero-source {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 1.5rem;
}

/* ===== 通用区域 ===== */
.section {
  padding: 5rem 1.25rem;
  position: relative;
}

.section-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(168, 85, 247, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(168, 85, 247, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  pointer-events: none;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.section-tag {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1rem;
  color: var(--muted-foreground);
}

/* ===== 市场趋势 ===== */
.trends-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.trend-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.trend-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.trend-card p {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

/* 增长趋势条 */
.growth-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.growth-year {
  width: 40px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.growth-bar {
  position: relative;
  height: 32px;
  flex: 1;
  background: rgba(30, 30, 46, 0.5);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.growth-fill {
  position: absolute;
  inset: 0;
  background: var(--gradient-primarys);
  border-radius: var(--radius-lg);
  transition: width 1s ease;
}

.growth-label {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--foreground);
}

/* 趋势数据 */
.trend-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}

.trend-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.trend-stat-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* SEO vs GEO 对比表 */
.comparison-table {
  margin-top: 1.5rem;
}

.comparison-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.comparison-header span:nth-child(2) {
  text-align: center;
}

.comparison-header span:nth-child(3) {
  text-align: center;
  color: var(--primary);
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  padding: 0.625rem 0.5rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  transition: background 0.2s ease;
}

.comparison-row:hover {
  background: rgba(30, 30, 46, 0.3);
}

.comparison-row span:first-child {
  font-weight: 500;
  color: var(--foreground);
}

.comparison-row span:nth-child(2) {
  text-align: center;
  color: var(--muted-foreground);
}

.comparison-row span:nth-child(3) {
  text-align: center;
  font-weight: 500;
  color: var(--primary);
}

.comparison-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  background: rgba(168, 85, 247, 0.1);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  color: var(--primary);
}

.comparison-note svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ===== 服务区域 ===== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(59, 130, 246, 0.2));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
}

.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  transition: all 0.3s ease;
}

.service-card:hover .service-icon svg {
  color: white;
}

.service-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.service-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-tag {
  padding: 0.25rem 0.625rem;
  background: rgba(148, 163, 184, 0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* ===== 技术优势 ===== */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.tech-card {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(22, 22, 29, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.tech-card:hover {
  border-color: var(--border-hover);
  background: rgba(22, 22, 29, 0.8);
}

.tech-icon {
  width: 44px;
  height: 44px;
  background: rgba(168, 85, 247, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.tech-card:hover .tech-icon {
  background: var(--primary);
}

.tech-icon svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  transition: all 0.3s ease;
}

.tech-card:hover .tech-icon svg {
  color: white;
}

.tech-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.tech-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.5;
}

/* E-E-A-T 展示 */
.eeat-bar {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.05), rgba(59, 130, 246, 0.05));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.eeat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.eeat-icon {
  width: 40px;
  height: 40px;
  background: rgba(168, 85, 247, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.eeat-icon svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.eeat-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
}

.eeat-subtitle {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.eeat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.eeat-item {
  text-align: center;
}

.eeat-letter {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  margin: 0 auto 0.5rem;
}

.eeat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
}

.eeat-desc {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* ===== 服务流程 ===== */
.process-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* PC 横向时间轴 */
.process-timeline-desktop {
  display: none;
  position: relative;
}

.process-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 32px;
  height: 2px;
  background: linear-gradient(to right, transparent, rgba(168, 85, 247, 0.4), transparent);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.process-step {
  position: relative;
  text-align: center;
}

.process-step-num {
  position: relative;
  z-index: 10;
  width: 64px;
  height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 2px solid rgba(168, 85, 247, 0.3);
  background: var(--background);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary);
  transition: all 0.3s ease;
  cursor: pointer;
}

.process-step:hover .process-step-num {
  transform: scale(1.1);
  border-color: var(--primary);
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

.process-step-title {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

.process-step-desc {
  margin-top: 0.375rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--muted-foreground);
}

.process-step-period {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.125rem 0.625rem;
  background: rgba(168, 85, 247, 0.1);
  border-radius: 9999px;
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--primary);
}

/* 移动端纵向时间轴 */
.process-timeline-mobile {
  display: block;
  position: relative;
  padding-left: 48px;
}

.process-timeline-mobile::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, rgba(168, 85, 247, 0.4), rgba(168, 85, 247, 0.1), transparent);
}

.process-step-mobile {
  position: relative;
  margin-bottom: 1.5rem;
}

.process-step-mobile-num {
  position: absolute;
  left: -48px;
  top: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 2px solid rgba(168, 85, 247, 0.3);
  background: var(--background);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
}

.process-step-mobile-content {
  background: rgba(22, 22, 29, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
}

.process-step-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.375rem;
}

.process-step-mobile-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

.process-step-mobile-period {
  padding: 0.125rem 0.5rem;
  background: rgba(168, 85, 247, 0.1);
  border-radius: 9999px;
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--primary);
}

.process-step-mobile-desc {
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--muted-foreground);
}

/* ===== 效果指标 ===== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
}

.metric-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.metric-card:hover {
  transform: scale(1.05);
  border-color: var(--border-hover);
}

.metric-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: rgba(168, 85, 247, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.metric-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-label {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
}

.metric-desc {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.metrics-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 2rem;
}

/* ===== 行业方案 ===== */
.industries-container {
  max-width: 1200px;
  margin: 0 auto;
}

.industries-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.industries-content {
  margin-top: 2.5rem;
}

.industry-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.industry-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.industry-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.industry-card-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.industry-card-badge.pain {
  background: rgba(239, 68, 68, 0.15);
  color: var(--destructive);
}

.industry-card-badge.solution {
  background: rgba(168, 85, 247, 0.15);
  color: var(--primary);
}

.industry-card-badge.effect {
  background: rgba(34, 197, 94, 0.15);
  color: var(--chart-4);
}

.industry-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
}

.industry-card-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted-foreground);
}

.industry-card-text.effect {
  color: var(--foreground);
}

/* ===== 客户案例 ===== */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.case-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.case-tag {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  background: rgba(168, 85, 247, 0.1);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary);
}

.case-title {
  margin-top: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
}

.case-section {
  margin-top: 1rem;
}

.case-section-label {
  font-size: 0.75rem;
  font-weight: 500;
}

.case-section-label.challenge {
  color: var(--destructive);
}

.case-section-label.solution {
  color: var(--primary);
}

.case-section-text {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.5;
}

.case-metrics {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.case-metric {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.625rem;
  font-size: 0.875rem;
}

.case-metric-label {
  color: var(--muted-foreground);
}

.case-metric-values {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case-metric-from {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-decoration: line-through;
}

.case-metric-arrow {
  color: var(--muted-foreground);
}

.case-metric-to {
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cases-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 2rem;
}

/* ===== 关键词矩阵 ===== */
.keywords-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.keyword-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.keyword-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.375rem;
}

.keyword-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
}

.keyword-card-count {
  padding: 0.125rem 0.625rem;
  border-radius: var(--radius-md);
  font-size: 0.625rem;
  font-weight: 500;
}

.keyword-card-count.primary {
  border: 1px solid rgba(168, 85, 247, 0.3);
  background: rgba(168, 85, 247, 0.08);
  color: var(--primary);
}

.keyword-card-count.accent {
  border: 1px solid rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent);
}

.keyword-card-count.chart-4 {
  border: 1px solid rgba(34, 197, 94, 0.3);
  background: rgba(34, 197, 94, 0.08);
  color: var(--chart-4);
}

.keyword-card-count.chart-5 {
  border: 1px solid rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.08);
  color: var(--chart-5);
}

.keyword-card-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.keyword-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.keyword-tag {
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: default;
  transition: all 0.2s ease;
}

.keyword-tag.primary {
  border: 1px solid rgba(168, 85, 247, 0.3);
  background: rgba(168, 85, 247, 0.08);
  color: var(--primary);
}

.keyword-tag.primary:hover {
  background: rgba(168, 85, 247, 0.15);
}

.keyword-tag.accent {
  border: 1px solid rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent);
}

.keyword-tag.accent:hover {
  background: rgba(59, 130, 246, 0.15);
}

.keyword-tag.chart-4 {
  border: 1px solid rgba(34, 197, 94, 0.3);
  background: rgba(34, 197, 94, 0.08);
  color: var(--chart-4);
}

.keyword-tag.chart-4:hover {
  background: rgba(34, 197, 94, 0.15);
}

.keyword-tag.chart-5 {
  border: 1px solid rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.08);
  color: var(--chart-5);
}

.keyword-tag.chart-5:hover {
  background: rgba(245, 158, 11, 0.15);
}

/* ===== FAQ ===== */
.faq-container {
  max-width: 768px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: rgba(22, 22, 29, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: rgba(168, 85, 247, 0.3);
}

.faq-item.open {
  border-color: rgba(168, 85, 247, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
}

.faq-question-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: all 0.3s ease;
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
  opacity: 1;
}

.faq-answer-inner {
  overflow: hidden;
}

.faq-answer-text {
  padding: 0 1.25rem 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted-foreground);
}

/* ===== 联系表单 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-form {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.375rem;
}

.form-label .required {
  color: var(--destructive);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(26, 26, 36, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--foreground);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--muted-foreground);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-error {
  font-size: 0.75rem;
  color: var(--destructive);
  margin-top: 0.25rem;
}

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
}

.form-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 1rem;
}

/* 联系信息 */
.contact-info {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.contact-info-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.contact-info-subtitle {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  background: rgba(168, 85, 247, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.contact-item-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.contact-item-value {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
}

.contact-promise {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(168, 85, 247, 0.05);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: var(--radius-lg);
}

.contact-promise-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.contact-promise-list {
  list-style: none;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.contact-promise-list li {
  margin-bottom: 0.25rem;
}

/* ===== 页脚 ===== */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(17, 17, 24, 0.5);
  padding: 3rem 1.25rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1rem;
}

.footer-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo-icon svg {
  width: 20px;
  height: 20px;
  color:#000000;
}

.footer-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.footer-logo-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
}

.footer-logo-subtitle {
  font-size: 0.625rem;
  color: var(--muted-foreground);
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: rgba(148, 163, 184, 0.1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.footer-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--chart-4);
  border-radius: 50%;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.footer-links-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.75rem;
}

.footer-links-list {
  list-style: none;
}

.footer-links-list li {
  margin-bottom: 0.5rem;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links-list a:hover {
  color: var(--primary);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.footer-legal a {
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-legal a:hover {
  color: var(--primary);
}

.footer-legal .divider {
  color: var(--border);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .trends-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .keywords-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .eeat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .industries-tabs {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-grid {
    grid-template-columns: 2fr 3fr;
  }

  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 4rem 1.5rem;
  }

  .nav-links {
    display: flex;
  }

  .nav-cta {
    display: block;
  }

  .mobile-menu-btn {
    display: none;
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cases-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-grid {
    grid-template-columns: 3fr 2fr;
  }

  .eeat-header {
    margin-bottom: 0;
  }

  .eeat-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
  }

  .process-timeline-desktop {
    display: block;
  }

  .process-timeline-mobile {
    display: none;
  }

  .industry-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 滚动显示动画 */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

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