/* ==========================================================================
   迷你豆荚 (MiniDouJia) - 自媒体企业官方网站核心样式表
   设计规范：科技蓝紫渐变 · 极简商务合规 · 全平台响应式
   ========================================================================== */

:root {
  /* 品牌主色系 (科技蓝紫) */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-dark: #1e40af;
  --primary-light: #eff6ff;
  --primary-subtle: #f0f9ff;
  --primary-gradient: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --hero-gradient: linear-gradient(135deg, #070f1e 0%, #0f172a 40%, #1e293b 80%, #0c2b5e 100%);

  /* 辅助色彩 */
  --accent: #06b6d4;
  --accent-hover: #0891b2;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;

  /* 文字与中性色彩 */
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  /* 背景色系 */
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-dark: #0f172a;
  --bg-dark-card: #1e293b;

  /* 边框与分割线 */
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --border-dark: rgba(255, 255, 255, 0.12);

  /* 阴影效果 */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.35);

  /* 圆角 */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* 过渡动画 */
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

/* 布局容器 */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container-sm {
  max-width: 960px;
}

.container-wide {
  max-width: 1360px;
}

/* 顶部公告条 (合规公示与服务热线) */
.announcement-bar {
  background: #090d16;
  color: #94a3b8;
  font-size: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.announcement-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.badge-compliance {
  background: rgba(37, 99, 235, 0.2);
  color: #a5b4fc;
  border: 1px solid rgba(37, 99, 235, 0.4);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  font-weight: 600;
  font-size: 11px;
  margin-right: 8px;
}

.announcement-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.announcement-links a {
  color: #cbd5e1;
}

.announcement-links a:hover {
  color: #ffffff;
}

/* 导航栏 (吸顶与毛玻璃) */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  transition: var(--transition);
}

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

/* 品牌 Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 22px;
  font-weight: 900;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.brand-text h1 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.brand-text p {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  font-weight: 600;
  text-transform: uppercase;
}

/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links > li > a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 4px;
  position: relative;
}

.nav-links > li > a:hover,
.nav-links > li > a.active {
  color: var(--primary);
}

.nav-links > li > a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
}

.nav-badge-hot {
  font-size: 10px;
  background: #ef4444;
  color: #ffffff;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  margin-left: 4px;
  vertical-align: middle;
}

/* 导航栏动作区 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav-trial {
  background: var(--primary-gradient);
  color: #ffffff;
  padding: 9px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-nav-trial:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
  color: #ffffff;
}

.btn-nav-phone {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
}

.btn-nav-phone:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.menu-toggle {
  display: none;
  font-size: 24px;
  color: var(--text-primary);
  padding: 4px;
}

/* 移动端抽屉菜单 */
.mobile-drawer {
  display: none;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 16px 20px;
  box-shadow: var(--shadow-md);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-links a.active {
  color: var(--primary);
}

/* 常用通用组件与按钮 */
.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  color: #ffffff;
}

.btn-outline {
  background: #ffffff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

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

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

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Hero 首屏横幅区 */
.hero-section {
  background: var(--hero-gradient);
  color: #ffffff;
  padding: 80px 0 90px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, rgba(37, 99, 235, 0.1) 50%, transparent 80%);
  pointer-events: none;
  filter: blur(60px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  color: #e2e8f0;
  margin-bottom: 24px;
}

.hero-badge-pill .pulse-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
}

.hero-title {
  font-size: 46px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #a78bfa 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 17px;
  color: #cbd5e1;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.metric-item .number {
  font-size: 28px;
  font-weight: 900;
  color: #38bdf8;
  line-height: 1.1;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.metric-item .label {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 4px;
}

/* Hero 右侧工作台大屏模拟卡片 */
.hero-card-preview {
  background: rgba(30, 41, 59, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), var(--shadow-glow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
}

.card-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.window-dots span:nth-child(1) { background: #ef4444; }
.window-dots span:nth-child(2) { background: #f59e0b; }
.window-dots span:nth-child(3) { background: #10b981; }

.card-top-title {
  font-size: 12px;
  color: #94a3b8;
  font-weight: 600;
}

.live-badge {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 4px;
}

.mock-dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.mock-stat-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 14px;
}

.mock-stat-box .title {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 4px;
}

.mock-stat-box .val {
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
}

.mock-stat-box .trend {
  font-size: 11px;
  color: #10b981;
  margin-top: 4px;
}

.mock-matrix-stream {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stream-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  padding: 6px 8px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
}

.stream-item .platform-tag {
  font-weight: 600;
  color: #e2e8f0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stream-item .status-success {
  color: #10b981;
  font-weight: 600;
}

/* 核心功能产品矩阵 (Tab切换/卡片展示) */
.features-section {
  padding: 90px 0;
  background: #ffffff;
}

.feature-nav-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.feature-tab-btn {
  padding: 10px 20px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.feature-tab-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.feature-tab-btn.active {
  background: var(--primary-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.feature-tab-pane {
  display: none;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-sm);
}

.feature-tab-pane.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.feature-content h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.feature-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-highlights {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.feature-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-highlight-item .check-icon {
  width: 22px;
  height: 22px;
  background: var(--success-light);
  color: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 13px;
  flex-shrink: 0;
}

.feature-highlight-item .text h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.feature-highlight-item .text p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 0;
  margin-top: 2px;
}

.feature-visual-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

/* 60+平台生态支持专区 */
.platforms-section {
  padding: 80px 0;
  background: #f8fafc;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.platform-filter-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
}

.platform-filter-btn {
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.platform-filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.platform-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.platform-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.platform-card .icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--bg-page);
}

.platform-card .name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.platform-card .support-types {
  font-size: 11px;
  color: var(--text-muted);
}

/* 行业解决方案专区 */
.solutions-section {
  padding: 90px 0;
  background: #ffffff;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solution-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.solution-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: var(--transition);
}

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

.solution-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}

.solution-card h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.solution-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.solution-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  margin-bottom: 20px;
}

.solution-point-item {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.solution-point-item::before {
  content: "•";
  color: var(--primary);
  font-size: 16px;
}

/* 在线自媒体 ROI / 人效计算器 */
.roi-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  color: #ffffff;
}

.roi-container {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: 40px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-xl);
}

.roi-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.roi-controls {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.slider-group label {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.slider-group label span.val-display {
  color: #38bdf8;
  font-weight: 800;
  font-family: monospace;
  font-size: 16px;
}

.custom-range {
  width: 100%;
  height: 6px;
  background: #334155;
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #ffffff;
  cursor: pointer;
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.8);
}

.roi-result-card {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
}

.roi-result-card .title {
  font-size: 14px;
  color: #94a3b8;
  margin-bottom: 8px;
}

.roi-result-card .big-number {
  font-size: 42px;
  font-weight: 900;
  color: #10b981;
  line-height: 1.1;
  margin-bottom: 14px;
  font-family: monospace;
}

.roi-sub-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.roi-sub-stats .stat-title {
  font-size: 12px;
  color: #94a3b8;
}

.roi-sub-stats .stat-val {
  font-size: 18px;
  font-weight: 800;
  color: #ffffff;
  margin-top: 4px;
}

/* 客户真实口碑评价轮播 */
.testimonials-section {
  padding: 90px 0;
  background: var(--bg-page);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.user-meta .name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.user-meta .role {
  font-size: 12px;
  color: var(--text-muted);
}

.testimonial-rating {
  color: #f59e0b;
  font-size: 14px;
  margin-bottom: 12px;
}

.testimonial-quote {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex-grow: 1;
}

/* 营业执照合规信息公示卡片 (参考 gw.duoxingguan 与企业认证标准) */
.cert-compliance-box {
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 2px solid #f1f5f9;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.cert-title-group h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.cert-title-group p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.cert-seal {
  width: 80px;
  height: 80px;
  border: 2px dashed #ef4444;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ef4444;
  font-size: 10px;
  font-weight: 800;
  line-height: 1.2;
  transform: rotate(-10deg);
  background: rgba(239, 68, 68, 0.03);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.cert-item {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.cert-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.cert-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cert-value.code-display {
  font-family: monospace;
  font-size: 16px;
  color: var(--primary);
}

.btn-copy-code {
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: var(--radius-xs);
  font-size: 11px;
  font-weight: 700;
}

.btn-copy-code:hover {
  background: var(--primary);
  color: #ffffff;
}

.cert-scope-box {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 底部 CTA 通栏 */
.cta-banner-section {
  background: var(--primary-gradient);
  color: #ffffff;
  padding: 60px 0;
  text-align: center;
}

.cta-banner-content h2 {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 12px;
}

.cta-banner-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 650px;
  margin: 0 auto 28px;
}

.cta-banner-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn-cta-white {
  background: #ffffff;
  color: var(--primary);
  padding: 12px 32px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-cta-white:hover {
  transform: translateY(-2px);
  background: #f8fafc;
}

/* 页脚 Footer */
.footer {
  background: #090d16;
  color: #94a3b8;
  padding-top: 70px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand .brand-logo {
  margin-bottom: 16px;
}

.footer-brand .brand-text h1 {
  color: #ffffff;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: #64748b;
  margin-bottom: 20px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13px;
  color: #94a3b8;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a {
  color: #64748b;
}

.footer-bottom a:hover {
  color: #cbd5e1;
}

/* 7x24h 智能客服与回到顶部浮窗 (参考 17van 与 shop.uprealone) */
.floating-widget-group {
  position: fixed;
  right: 24px;
  bottom: 40px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  border: 1px solid var(--border-color);
  position: relative;
  transition: var(--transition);
}

.floating-btn.service-btn {
  background: var(--primary-gradient);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.4);
}

.floating-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.floating-btn .icon {
  font-size: 18px;
  line-height: 1;
}

.floating-btn .text {
  font-size: 10px;
  margin-top: 2px;
}

/* 悬浮客服二维码抽屉 */
.service-popover {
  position: absolute;
  right: 64px;
  bottom: 0;
  width: 260px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-xl);
  text-align: center;
  display: none;
  animation: fadeIn 0.3s ease;
}

.service-popover.active {
  display: block;
}

.service-popover h5 {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.service-popover p {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.service-popover .qr-box {
  width: 150px;
  height: 150px;
  margin: 0 auto 12px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 页面顶部通用内页面 Banner */
.page-banner {
  background: var(--hero-gradient);
  color: #ffffff;
  padding: 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner h2 {
  font-size: 34px;
  font-weight: 900;
  margin-bottom: 12px;
}

.page-banner p {
  font-size: 16px;
  color: #cbd5e1;
  max-width: 650px;
  margin: 0 auto;
}

.breadcrumb-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #94a3b8;
  margin-top: 16px;
}

.breadcrumb-nav a {
  color: #cbd5e1;
}

.breadcrumb-nav a:hover {
  color: #ffffff;
}

/* 通用模态弹窗 */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.active {
  display: flex;
  animation: fadeIn 0.25s ease;
}

.modal-window {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  position: relative;
}

.modal-header {
  padding: 24px 28px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
}

.modal-close-btn {
  font-size: 24px;
  color: var(--text-muted);
  line-height: 1;
}

.modal-body {
  padding: 24px 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  background: #ffffff;
  color: var(--text-primary);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Toast 提示 */
.toast-container {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast-msg {
  background: #1e293b;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastSlide 0.3s ease;
  pointer-events: auto;
}

.toast-msg.success { background: #065f46; color: #34d399; }
.toast-msg.error { background: #7f1d1d; color: #fca5a5; }

@keyframes toastSlide {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* 响应式媒体查询 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-metrics {
    justify-content: center;
  }
  .feature-tab-pane.active {
    grid-template-columns: 1fr;
  }
  .solutions-grid {
    grid-template-columns: 1fr 1fr;
  }
  .platforms-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .roi-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .btn-nav-trial, .btn-nav-phone {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .platforms-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .cert-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .platforms-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .roi-container {
    padding: 20px;
  }
  .hero-title {
    font-size: 28px;
  }
}