/* ==========================================
   智能财务官网 - 金融蓝金风 Style Sheet
   ========================================== */

/* ---------- CSS Variables (蓝金暗色主题) ---------- */
:root {
  --gold: #ffd700;
  --gold-dark: #b8860b;
  --gold-light: #ffe44d;
  /* 品牌色「原色三元组」，供 rgba() 直接拼接透明度使用。
     以前全站把浅色填充/发光写死成金色 rgba(255,215,0,α)，
     在「简约白」主题下会整片发黄（图标底、按钮 hover、输入框 focus、行 hover…）。
     统一改走本变量后：蓝金暗色主题输出与改前完全一致（--brand-rgb 的值就是 255,215,0），
     简约白主题自动换成蓝色系。新增样式请一并使用本变量，勿再写死金色。 */
  --brand-rgb: 255, 215, 0;
  --brand-dark-rgb: 184, 134, 11;
  --bg-dark: #0c1445;
  --bg-dark-2: #0e1750;
  --bg-dark-3: #0a1035;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-hover: rgba(255, 255, 255, 0.09);
  --border-gold: rgba(var(--brand-rgb), 0.2);
  --border-gold-light: rgba(var(--brand-rgb), 0.35);
  --text-primary: #ffffff;
  --text-secondary: #b8c4e0;
  --text-muted: #8892b0;
  --text-gold: #ffd700;
  --nav-link-color: #d9e2f7;
  /* 导航选中/悬停态专用变量。
     原实现把高亮写死成金色 rgba(255,215,0,0.08)，
     在「简约白」主题下会渲染成一块米黄色方块，与蓝色主题完全冲突。
     v3.0.2 起统一走变量，并改为「文字变色 + 底部指示条」的商务式写法。 */
  --nav-hover-bg: rgba(var(--brand-rgb), 0.10);
  --nav-active-bar: #ffd700;
  --nav-bg-scrolled: rgba(12, 20, 69, 0.95);
  --nav-bg-mobile: rgba(12, 20, 69, 0.98);
  --form-input-bg: rgba(255, 255, 255, 0.06);
  --form-input-color: #ffffff;
  --ring-track: rgba(var(--brand-rgb), 0.1);
  --pain-color: #ff8a8a;
  --pain-bg-alpha: rgba(255, 60, 60, 0.04);
  --pain-border: rgba(255, 138, 138, 0.2);
  --pain-card-bg: rgba(255, 255, 255, 0.02);
  --pain-card-border: rgba(255, 138, 138, 0.15);
  --pain-card-hover: rgba(255, 138, 138, 0.04);
  --pain-card-hover-border: rgba(255, 138, 138, 0.3);
  --compare-before-color: #ff8a8a;
  --compare-after-color: #7dff9e;
  --impact-bg: linear-gradient(135deg, rgba(var(--brand-rgb), 0.06) 0%, rgba(var(--brand-dark-rgb), 0.03) 100%);
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --nav-height: 76px;
  --max-width: 1200px;
  /* 导航栏单独放宽：菜单项多且文案偏长，与正文同宽会被挤压换行 */
  --nav-max-width: 1280px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --theme-transition: 0.4s ease;
}

/* ---------- 简约白企业风主题 ---------- */
[data-theme="white"] {
  --gold: #1a56db;
  --gold-dark: #1544b0;
  --gold-light: #3b82f6;
  /* 品牌色切换为蓝，所有 rgba(var(--brand-rgb), α) 的填充/发光随之转蓝 */
  --brand-rgb: 26, 86, 219;
  --brand-dark-rgb: 21, 68, 176;
  --bg-dark: #ffffff;
  --bg-dark-2: #f8fafc;
  --bg-dark-3: #f1f5f9;
  --bg-card: rgba(15, 23, 42, 0.03);
  --bg-card-hover: rgba(15, 23, 42, 0.06);
  --border-gold: rgba(26, 86, 219, 0.12);
  --border-gold-light: rgba(26, 86, 219, 0.22);
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-gold: #1a56db;
  --nav-link-color: #1f2329;
  --nav-hover-bg: rgba(26, 86, 219, 0.07);
  --nav-active-bar: #1a56db;
  --nav-bg-scrolled: rgba(255, 255, 255, 0.92);
  --nav-bg-mobile: rgba(255, 255, 255, 0.98);
  --form-input-bg: rgba(15, 23, 42, 0.04);
  --form-input-color: #1e293b;
  --ring-track: rgba(26, 86, 219, 0.1);
  --pain-color: #dc2626;
  --pain-bg-alpha: rgba(220, 38, 38, 0.03);
  --pain-border: rgba(220, 38, 38, 0.15);
  --pain-card-bg: rgba(15, 23, 42, 0.02);
  --pain-card-border: rgba(220, 38, 38, 0.12);
  --pain-card-hover: rgba(220, 38, 38, 0.03);
  --pain-card-hover-border: rgba(220, 38, 38, 0.22);
  --compare-before-color: #dc2626;
  --compare-after-color: #16a34a;
  --impact-bg: linear-gradient(135deg, rgba(26, 86, 219, 0.04) 0%, rgba(21, 68, 176, 0.02) 100%);
}

/* ---------- 主题过渡动画 ---------- */
body,
.navbar,
.hero,
.hero-bg,
.section-alt,
.navbar.scrolled,
.section,
.footer,
.stat-card,
.module-card,
.center-card,
.target-card,
.value-card,
.case-card,
.benefit-card,
.contact-form,
.flow-box,
.impact-banner,
.compare-table,
.pain-backdrop,
.pain-card,
.form-group input,
.form-group textarea {
  transition: background 0.4s ease, color 0.3s ease, border-color 0.4s ease, box-shadow 0.3s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Section Common ---------- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, var(--bg-dark-2) 0%, var(--bg-dark) 100%);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  border: 1px solid var(--border-gold);
  padding: 4px 16px;
  border-radius: 20px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 16px auto 0;
  border-radius: 2px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-top: 20px;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: var(--nav-bg-scrolled);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-gold);
}

.nav-container {
  max-width: var(--nav-max-width);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 21px;
  color: var(--gold);
}

.logo-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-shrink: 0;
}

/* 商务式导航项：近黑/近白高对比文字，靠字距与间距留白，不堆色块 */
.nav-link {
  font-size: 14.5px;
  color: var(--nav-link-color);
  padding: 8px 13px;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
  position: relative;
  white-space: nowrap;
  letter-spacing: 0.2px;
  line-height: 1.4;
}

/* 悬停：仅文字变品牌色（参考站做法，避免大面积色块破坏清爽感） */
.nav-link:hover {
  color: var(--gold);
  background: var(--nav-hover-bg);
}

.nav-link.active {
  color: var(--gold);
}

/* 选中项：底部细指示条 */
.nav-link::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 1px;
  height: 2px;
  border-radius: 2px;
  background: var(--nav-active-bar);
  transform: scaleX(0);
  transform-origin: center;
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-link.active::after {
  transform: scaleX(1);
  opacity: 1;
}

/* 主 CTA：满圆角实心胶囊，与参考站一致 */
.nav-cta {
  background: var(--gold);
  color: var(--bg-dark) !important;
  font-weight: 600;
  padding: 9px 22px !important;
  border-radius: 100px;
  margin-left: 20px;
  transition: var(--transition);
}

/* CTA 按钮不显示底部指示条 */
.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: var(--gold-light) !important;
  color: var(--bg-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(var(--brand-dark-rgb), 0.28);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-gold);
  color: var(--gold);
  font-size: 20px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--nav-hover-bg);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 20px 80px;
  background: linear-gradient(135deg, var(--bg-dark-3) 0%, var(--bg-dark) 30%, var(--bg-dark-2) 60%, var(--bg-dark) 100%);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(var(--brand-dark-rgb), 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(var(--brand-rgb), 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(12, 20, 69, 0.3) 0%, transparent 50%);
  pointer-events: none;
  transition: background 0.4s ease;
}

/* 白色主题 hero 背景覆盖 */
[data-theme="white"] .hero-bg {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(26, 86, 219, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(15, 23, 42, 0.02) 0%, transparent 50%);
}

.hero-content {
  max-width: var(--max-width);
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gold);
  background: rgba(var(--brand-rgb), 0.08);
  border: 1px solid var(--border-gold);
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 30px;
  animation: fadeInDown 0.8s ease-out;
}

.hero-title {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--text-primary);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

.hero-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 36px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-subtitle strong {
  color: var(--gold);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-sans);
}

.btn i {
  font-size: 14px;
  transition: transform 0.3s;
}

.btn:hover i {
  transform: translateX(4px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--bg-dark);
  box-shadow: 0 4px 20px rgba(var(--brand-rgb), 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--brand-rgb), 0.35);
}

.btn-outline {
  border: 1.5px solid var(--gold);
  color: var(--gold);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(var(--brand-rgb), 0.1);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ---------- Hero Stats ---------- */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-gold-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(var(--brand-rgb), 0.1);
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
  line-height: 1;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- Center Section ---------- */
.center-intro {
  max-width: 800px;
  margin: 0 auto 60px;
  text-align: center;
}

.center-intro p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.center-intro strong {
  color: var(--gold);
}

.center-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.center-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.center-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(var(--brand-rgb), 0.1);
}

.center-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(var(--brand-rgb), 0.15);
  border: 1px solid var(--border-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
  color: var(--gold);
  transition: var(--transition);
}

.center-card:hover .center-icon {
  background: rgba(var(--brand-rgb), 0.15);
  transform: scale(1.1);
}

.center-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.center-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Modules Section ---------- */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}

.module-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  position: relative;
}

.module-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(var(--brand-rgb), 0.1);
  border-color: var(--border-gold-light);
}

.module-badge {
  position: absolute;
  top: -1px;
  right: 20px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--bg-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 0 0 8px 8px;
  letter-spacing: 0.5px;
}

.module-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  margin-top: 8px;
}

.module-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: rgba(var(--brand-rgb), 0.15);
  border: 1px solid var(--border-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--gold);
  flex-shrink: 0;
}

.module-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.module-features li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.module-features i {
  color: var(--gold);
  font-size: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* Modules Flow */
.modules-flow {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-gold);
}

.flow-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(var(--brand-rgb), 0.06);
  border: 1px solid var(--border-gold);
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 14px;
  color: var(--text-secondary);
  flex-wrap: wrap;
  justify-content: center;
}

.flow-box i {
  color: var(--gold);
  font-size: 14px;
}

.flow-box strong {
  color: var(--gold);
  font-weight: 600;
}

.flow-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ---------- Planning Section ---------- */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto 50px;
  position: relative;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 20px 0;
  position: relative;
}

.step-number {
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
  background: rgba(var(--brand-rgb), 0.12);
  border: 1px solid var(--border-gold-light);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.step:hover .step-number {
  background: rgba(var(--brand-rgb), 0.15);
  transform: scale(1.05);
}

.step-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.step-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.step-connector {
  width: 1px;
  height: 30px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin-left: 28px;
}

.planning-targets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.target-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}

.target-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-2px);
}

.target-card i {
  font-size: 28px;
  color: var(--gold);
  margin-bottom: 12px;
}

.target-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Process & Value Section ---------- */
.process-timeline {
  max-width: 800px;
  margin: 0 auto 60px;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), rgba(var(--brand-rgb), 0.1));
}

.process-item {
  display: flex;
  gap: 24px;
  padding: 16px 0;
  position: relative;
}

.process-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
  transition: var(--transition);
}

.process-item:hover .process-dot {
  background: var(--gold);
  box-shadow: 0 0 20px rgba(var(--brand-rgb), 0.3);
}

.process-content {
  flex: 1;
  padding: 4px 0;
}

.process-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 1px;
}

.process-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 4px 0;
}

.process-content p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Value Cards */
.value-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.value-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.value-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(var(--brand-rgb), 0.1);
}

.value-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(var(--brand-rgb), 0.15);
  border: 1px solid var(--border-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 22px;
  color: var(--gold);
  transition: var(--transition);
}

.value-card:hover .value-icon-wrap {
  background: rgba(var(--brand-rgb), 0.15);
  transform: scale(1.1);
}

.value-card h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.value-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.value-card p strong {
  color: var(--gold);
}

.value-metric {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  padding-top: 12px;
  border-top: 1px solid var(--border-gold);
}

/* ========== Impact Banner (数据总览) ========== */
.impact-banner {
  max-width: 1100px;
  margin: 0 auto 60px;
  background: var(--impact-bg);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 40px 30px 30px;
}

.impact-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 30px;
}

.impact-header i {
  font-size: 20px;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.impact-card {
  text-align: center;
}

.impact-ring {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 14px;
}

.ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-progress {
  transition: stroke-dashoffset 2s cubic-bezier(0.4, 0, 0.2, 1);
}

.ring-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.ring-text small {
  font-size: 16px;
  font-weight: 500;
}

.impact-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.impact-source {
  font-size: 12px;
  color: var(--text-muted);
}

/* ========== Compare Section (前后对比) ========== */
.compare-section {
  max-width: 1100px;
  margin: 0 auto 60px;
}

.compare-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 24px;
}

.compare-title i {
  color: var(--gold);
  margin-right: 8px;
}

.compare-table {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  overflow: hidden;
}

.compare-header,
.compare-row {
  display: grid;
  grid-template-columns: 2fr 2fr 2fr 1.2fr;
  align-items: center;
}

.compare-header {
  background: rgba(var(--brand-rgb), 0.08);
  border-bottom: 1px solid var(--border-gold);
}

.compare-header .compare-col {
  padding: 14px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.compare-header .compare-col i {
  margin-right: 6px;
  color: var(--gold);
}

.compare-row {
  border-bottom: 1px solid rgba(var(--brand-rgb), 0.06);
  transition: var(--transition);
}

.compare-row:last-child {
  border-bottom: none;
}

.compare-row:hover {
  background: rgba(var(--brand-rgb), 0.04);
}

.compare-col {
  padding: 14px 20px;
  font-size: 14px;
}

.compare-col-label {
  font-weight: 600;
  color: var(--text-primary);
}

.compare-col-before {
  color: var(--compare-before-color);
  text-decoration: line-through;
  text-decoration-color: rgba(255,138,138,0.4);
}

.compare-col-after {
  color: var(--compare-after-color);
  font-weight: 600;
}

.compare-col-saving {
  text-align: center;
}

.saving-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.saving-high {
  background: rgba(var(--brand-rgb), 0.15);
  color: var(--gold);
  border: 1px solid rgba(var(--brand-rgb), 0.3);
}

.saving-extreme {
  background: linear-gradient(135deg, rgba(var(--brand-rgb), 0.2), rgba(var(--brand-dark-rgb), 0.3));
  color: var(--gold);
  border: 1px solid rgba(var(--brand-rgb), 0.5);
  box-shadow: 0 0 12px rgba(var(--brand-rgb), 0.15);
}

.compare-note {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 14px;
}

.compare-note i {
  color: var(--gold);
  margin-right: 4px;
}

/* ========== Pain Backdrop (行业痛点) ========== */
.pain-backdrop {
  max-width: 1100px;
  margin: 60px auto 0;
  background: linear-gradient(135deg, var(--pain-bg-alpha) 0%, rgba(var(--brand-rgb), 0.02) 100%);
  border: 1px solid var(--pain-border);
  border-radius: var(--radius);
  padding: 40px 30px 30px;
}

.pain-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--pain-color);
  text-align: center;
  margin-bottom: 28px;
}

.pain-title i {
  margin-right: 8px;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.pain-card {
  background: var(--pain-card-bg);
  border: 1px solid var(--pain-card-border);
  border-radius: var(--radius-sm);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
}

.pain-card:hover {
  background: var(--pain-card-hover);
  border-color: var(--pain-card-hover-border);
}

.pain-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--pain-color);
  margin-bottom: 8px;
  line-height: 1;
}

.pain-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.4;
}

.pain-detail {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.pain-detail strong {
  color: var(--pain-color);
}

.pain-conclusion {
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--pain-border);
}

.pain-conclusion i {
  margin-right: 6px;
}

/* ---------- Cases Section ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.case-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.case-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(var(--brand-rgb), 0.1);
  border-color: var(--border-gold-light);
}

.case-tag {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--bg-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 8px 20px;
  display: inline-block;
  letter-spacing: 0.5px;
}

.case-body {
  padding: 24px;
}

.case-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.case-body > p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.case-result {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}

.case-highlight {
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
}

.case-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- Contact Section ---------- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-benefits {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.benefit-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 28px;
  text-align: left;
  transition: var(--transition);
}

.benefit-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateX(4px);
}

.benefit-card i {
  font-size: 28px;
  color: var(--gold);
  margin-bottom: 14px;
}

.benefit-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.benefit-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Contact Form */
.contact-form {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.required {
  color: var(--gold);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  background: var(--form-input-bg);
  color: var(--form-input-color);
  font-size: 14px;
  font-family: var(--font-sans);
  transition: var(--transition);
  outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  background: rgba(var(--brand-rgb), 0.06);
  box-shadow: 0 0 0 3px rgba(var(--brand-rgb), 0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ff6b6b;
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.form-group .error-msg {
  font-size: 12px;
  color: #ff6b6b;
  margin-top: 4px;
  display: none;
}

.form-group .error-msg.show {
  display: block;
}

.form-note {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 16px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-dark-3);
  border-top: 1px solid var(--border-gold);
  padding: 50px 0 30px;
  text-align: center;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.footer-links {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
}

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

.footer-divider {
  color: var(--text-muted);
  font-size: 12px;
}

.separator-dot {
  font-weight: 700;
  font-size: 14px;
}

.footer-admin-link {
  opacity: 0.6;
  font-size: 12px !important;
  letter-spacing: 0.5px;
}

.footer-admin-link i {
  font-size: 11px;
  margin-right: 3px;
}

.footer-admin-link:hover {
  opacity: 1 !important;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Scroll reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* ---------- Responsive ---------- */

/* 窄桌面 / 小笔记本：导航整体收窄，隐藏电话文字只留图标 */
@media (max-width: 1260px) {
  .nav-menu { gap: 2px; }
  .nav-link { padding: 8px 10px; font-size: 13.5px; }
  .nav-link::after { left: 10px; right: 10px; }
  .nav-cta { margin-left: 12px; padding: 9px 18px !important; }
  .logo-text { font-size: 15.5px; }
  .nav-contact { padding: 6px 10px; }
  .nav-contact-text { display: none; }
}

/* 平板及以下：切换为汉堡抽屉（原 768px 过窄，导致 769–1060px 区间挤压换行） */
@media (max-width: 1060px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--nav-bg-mobile);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-gold);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateY(-120%);
    transition: var(--transition);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: 14px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-toggle {
    display: block;
  }
}

@media (max-width: 1024px) {
  .hero-title { font-size: 36px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .center-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(3, 1fr); }
  .impact-grid { grid-template-columns: repeat(3, 1fr); }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-wrapper { grid-template-columns: 1fr; }
  .compare-header,
  .compare-row {
    grid-template-columns: 1.5fr 1.5fr 1.5fr 1fr;
  }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .section-title { font-size: 28px; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 15px; }

  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .planning-targets { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .impact-grid { grid-template-columns: repeat(3, 1fr); }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-header,
  .compare-row {
    grid-template-columns: 1.2fr 1.2fr 1.2fr 1fr;
    font-size: 13px;
  }
  .compare-col { padding: 10px 12px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 24px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .modules-grid { grid-template-columns: 1fr; }
  .center-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .pain-grid { grid-template-columns: 1fr; }
  .compare-header,
  .compare-row {
    grid-template-columns: 1fr 1fr;
    font-size: 13px;
  }
  .compare-header .compare-col:nth-child(4),
  .compare-row .compare-col:nth-child(4) {
    display: none;
  }
  .impact-banner { padding: 30px 16px 20px; }
  .pain-backdrop { padding: 30px 16px 20px; }
  .btn { width: 100%; justify-content: center; }
  .hero-actions { flex-direction: column; }
}

/* ========== 视频弹窗 ========== */
.video-modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 2000;
}

.video-modal.active {
  display: block;
}

.video-modal-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.82);
  animation: fadeIn 0.3s ease;
}

.video-modal-content {
  position: relative;
  max-width: 900px;
  max-height: 85vh;
  margin: 0 auto;
  padding: 60px 20px 20px;
  top: 50%;
  transform: translateY(-50%);
}

.video-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.video-modal-close:hover {
  background: rgba(255,107,107,0.3);
  border-color: #ff6b6b;
}

.video-modal-player {
  border-radius: 12px;
  overflow: hidden;
  background: #1a1a2e;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.video-modal-player iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
  display: block;
}

.video-modal-player video {
  width: 100%;
  max-height: 70vh;
  display: block;
}

/* 视频列表（多视频选择）— 始终使用深色背景，不受主题影响 */
.video-list-header {
  padding: 24px 28px 0;
}

.video-list-header h3 {
  color: #ffffff;
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: 0.5px;
}

.video-list-header .video-list-count {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  font-weight: 400;
  margin-left: 8px;
}

.video-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px 20px;
}

.video-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.video-list-item:hover {
  background: rgba(var(--brand-rgb), 0.10);
  border-color: rgba(var(--brand-rgb), 0.30);
  transform: translateX(6px);
}

.video-list-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(var(--brand-rgb), 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #ffd700;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.video-list-item:hover .video-list-icon {
  background: rgba(var(--brand-rgb), 0.25);
  transform: scale(1.08);
}

.video-list-name {
  flex: 1;
  color: #ffffff;
  font-size: 15px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.4;
}

.video-list-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.video-list-item:hover .video-list-arrow {
  background: rgba(var(--brand-rgb), 0.15);
  color: #ffd700;
  transform: translateX(2px);
}

/* 模块卡片底部区域 */
.module-footer {
  display: flex;
  align-items: center;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-gold);
}

/* 模块视频链接（左下角） */
.module-video-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  border: none;
  background: none;
  color: var(--gold);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.module-video-link:hover {
  color: var(--gold-light);
  transform: translateX(2px);
}

.module-video-link i {
  font-size: 16px;
}

/* ========== 案例分页 ========== */
.cases-more {
  text-align: center;
  margin-top: 32px;
}

.cases-more .btn {
  min-width: 200px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ==========================================
   白色主题 - 补充样式覆盖
   ========================================== */

/* SVG Ring - 白色主题渐变色覆盖 */
[data-theme="white"] .ring-progress {
  stroke: url(#blueGrad) !important;
}
[data-theme="white"] .ring-svg circle:first-child {
  stroke: var(--ring-track);
}

/* 对比表格行 hover */
[data-theme="white"] .compare-row:hover {
  background: rgba(26, 86, 219, 0.03);
}

/* 对比表头 */
[data-theme="white"] .compare-header {
  background: rgba(26, 86, 219, 0.05);
}

/* saving 标签白色主题 */
[data-theme="white"] .saving-high {
  background: rgba(26, 86, 219, 0.1);
  color: var(--gold);
  border-color: rgba(26, 86, 219, 0.2);
}
[data-theme="white"] .saving-extreme {
  background: linear-gradient(135deg, rgba(26, 86, 219, 0.12), rgba(21, 68, 176, 0.18));
  color: var(--gold);
  border-color: rgba(26, 86, 219, 0.35);
  box-shadow: 0 0 12px rgba(26, 86, 219, 0.08);
}

/* 按钮主色白色主题 */
[data-theme="white"] .nav-cta {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #ffffff !important;
}
[data-theme="white"] .nav-cta:hover {
  background: linear-gradient(135deg, var(--gold), var(--gold-light)) !important;
  box-shadow: 0 4px 15px rgba(26, 86, 219, 0.25);
}

[data-theme="white"] .btn-primary {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(26, 86, 219, 0.2);
}
[data-theme="white"] .btn-primary:hover {
  box-shadow: 0 8px 30px rgba(26, 86, 219, 0.3);
}

[data-theme="white"] .module-badge,
[data-theme="white"] .case-tag {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #ffffff;
}

/* 主题切换按钮样式 */
.theme-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-switcher-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--border-gold);
  border-radius: 100px;
  background: transparent;
  color: var(--nav-link-color);
  font-size: 12.5px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.theme-switcher-btn:hover {
  border-color: var(--border-gold-light);
  color: var(--gold);
  background: var(--nav-hover-bg);
}

.theme-switcher-btn i {
  font-size: 14px;
}

/* 白色主题下的阴影增强 */
[data-theme="white"] .stat-card:hover,
[data-theme="white"] .module-card:hover,
[data-theme="white"] .center-card:hover,
[data-theme="white"] .value-card:hover,
[data-theme="white"] .case-card:hover,
[data-theme="white"] .target-card:hover,
[data-theme="white"] .benefit-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

[data-theme="white"] .flow-box {
  background: rgba(26, 86, 219, 0.04);
}

[data-theme="white"] .hero-badge {
  background: rgba(26, 86, 219, 0.06);
  border-color: var(--border-gold);
}

[data-theme="white"] .section-title::after {
  background: var(--gold);
}

/* 白色主题 - 表单 focus */
[data-theme="white"] .form-group input:focus,
[data-theme="white"] .form-group textarea:focus {
  background: rgba(26, 86, 219, 0.04);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
}

/* ==========================================================
   v3.0 新增：导航联系入口 / 品牌定位语 / FAQ / 企微承接闭环
   全部基于既有 CSS 变量，自动跟随双主题
   ========================================================== */

/* ---------- 导航右侧动作区 ---------- */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

/* 电话入口：满圆角细描边胶囊，克制的商务写法 */
.nav-contact {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--border-gold);
  border-radius: 100px;
  background: transparent;
  color: var(--text-gold);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2px;
  white-space: nowrap;
  transition: var(--transition);
}

.nav-contact:hover {
  background: var(--nav-hover-bg);
  border-color: var(--border-gold-light);
}

.nav-contact i {
  font-size: 13px;
}

/* ---------- 英雄区品牌定位语 ---------- */
.brand-positioning {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-gold);
  margin: 6px 0 18px;
  letter-spacing: 0.5px;
  line-height: 1.5;
}

/* ---------- FAQ 结构化问答 ---------- */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  padding: 22px 26px;
  transition: var(--transition);
}

.faq-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-gold-light);
}

.faq-q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 10px;
}

.faq-q i {
  color: var(--gold);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}

.faq-a {
  padding-left: 26px;
}

.faq-a p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
}

.faq-a strong {
  color: var(--text-primary);
}

/* ---------- 底部企微咨询引导条 ---------- */
.consult-bar {
  margin-top: 40px;
  padding: 22px 28px;
  border-radius: var(--radius);
  background: var(--impact-bg), var(--bg-card);
  border: 1px solid var(--border-gold-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.consult-bar-text {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.consult-bar-text i {
  color: var(--gold);
  font-size: 18px;
  flex-shrink: 0;
}

.consult-bar-text strong {
  color: var(--text-primary);
}

.consult-bar-btn {
  flex-shrink: 0;
}

/* ---------- 案例区企微 CTA ---------- */
.case-cta {
  margin-top: 40px;
  padding: 32px 36px;
  border-radius: var(--radius);
  background: var(--impact-bg), var(--bg-card);
  border: 1px solid var(--border-gold-light);
}

.case-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.case-cta-text {
  flex: 1 1 420px;
}

.case-cta-text h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.case-cta-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.btn-lg {
  padding: 16px 34px;
  font-size: 16px;
}

/* ---------- 全站悬浮企微按钮 ---------- */
.wecom-float {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 12px 12px;
  width: 88px;
  border: 1px solid var(--border-gold-light);
  border-radius: 16px;
  background: var(--gold);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.wecom-modal-link {
  color: var(--text-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
  transition: var(--transition);
}

.wecom-modal-link:hover {
  color: var(--text-primary);
}

.wecom-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.wecom-float-icon {
  font-size: 24px;
  line-height: 1;
}

.wecom-float-text {
  line-height: 1.3;
}

.wecom-float-badge {
  position: absolute;
  top: -8px;
  right: -6px;
  padding: 2px 7px;
  border-radius: 10px;
  background: #ef4444;
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.5;
}

/* ---------- 企微 / 成功 弹窗通用 ---------- */
.wecom-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.wecom-modal.active {
  display: flex;
}

.wecom-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 10, 26, 0.62);
  backdrop-filter: blur(3px);
}

.wecom-modal-panel {
  position: relative;
  width: 100%;
  max-width: 380px;
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  padding: 34px 30px 26px;
  border-radius: 18px;
  background: var(--bg-dark-2);
  border: 1px solid var(--border-gold-light);
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

.wecom-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-gold);
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.wecom-modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.wecom-modal-title {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 8px;
}

.wecom-modal-sub {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.wecom-modal-sub strong {
  color: var(--text-gold);
}

.wecom-modal-qr {
  width: 210px;
  height: 210px;
  margin: 0 auto 16px;
  padding: 10px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.wecom-modal-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.wecom-modal-tip {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.wecom-modal-tip i {
  margin-right: 4px;
}

.success-icon {
  width: 62px;
  height: 62px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.14);
  color: #22c55e;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- 页脚联系方式区 ---------- */
.footer-contact {
  max-width: 900px;
  margin: 0 auto 40px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
  text-align: left;
}

.footer-contact-main {
  flex: 1 1 380px;
}

.footer-contact-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.footer-contact-list li i {
  width: 18px;
  text-align: center;
  color: var(--gold);
}

.footer-contact-list li span {
  color: var(--text-muted);
  min-width: 32px;
}

.footer-contact-list li a {
  color: var(--text-primary);
  font-weight: 600;
  transition: var(--transition);
}

.footer-contact-list li a:hover {
  color: var(--text-gold);
}

.footer-contact-list li em {
  font-style: normal;
}

.footer-contact-qr {
  flex-shrink: 0;
  text-align: center;
}

.footer-qr-img {
  width: 132px;
  height: 132px;
  padding: 6px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid var(--border-gold);
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.footer-qr-text {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-qr-text strong {
  color: var(--text-secondary);
}

.footer-legal {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-legal strong {
  color: var(--text-secondary);
}

.footer-legal em {
  font-style: normal;
}

.footer-legal a {
  color: var(--text-muted);
  transition: var(--transition);
}

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

/* 待补充信息高亮（上线前请替换为真实信息） */
.placeholder-todo {
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.16);
  color: #b45309;
  font-weight: 600;
}

[data-theme="white"] .placeholder-todo {
  background: rgba(245, 158, 11, 0.18);
  color: #92400e;
}

/* ---------- v3.0 响应式 ---------- */
@media (max-width: 1024px) {
  .nav-contact-text { display: none; }
  .nav-contact { padding: 6px 10px; }
}

@media (max-width: 768px) {
  .brand-positioning { font-size: 16px; }
  .faq-item { padding: 18px 20px; }
  .faq-q { font-size: 16px; }
  .faq-a { padding-left: 0; }
  .consult-bar { flex-direction: column; align-items: stretch; text-align: center; }
  .consult-bar-text { justify-content: center; }
  .case-cta { padding: 24px 20px; }
  .case-cta-inner { flex-direction: column; align-items: stretch; }
  .footer-contact { flex-direction: column; align-items: flex-start; gap: 26px; }

  /* 悬浮按钮移动端改为底部通栏 */
  .wecom-float {
    right: 0;
    left: 0;
    bottom: 0;
    width: 100%;
    flex-direction: row;
    justify-content: center;
    gap: 8px;
    padding: 13px 16px;
    border-radius: 0;
    border-width: 1px 0 0 0;
    font-size: 15px;
  }
  .wecom-float:hover { transform: none; }
  .wecom-float-icon { font-size: 18px; }
  .wecom-float-badge { position: static; }
  body { padding-bottom: 54px; }
  .wecom-modal-panel { padding: 30px 22px 22px; }
  .wecom-modal-qr { width: 180px; height: 180px; }
}

@media (max-width: 480px) {
  .nav-actions { gap: 6px; }
  .nav-contact { display: none; }
  .consult-bar-btn,
  .btn-lg { width: 100%; }
  .footer-qr-img { width: 150px; height: 150px; }
}

/* ---------- v3.0：资质与认证（信任资产） ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 780px;
  margin: 0 auto;
}

/* 证书多于 2 张时放宽容器，避免第三张被挤到下一行显得失衡。
   :has() 不支持的旧浏览器忽略本规则，仍按 780px 正常排版。 */
.cert-grid:has(.cert-card:nth-child(3)) {
  max-width: 1100px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.cert-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-gold-light);
  transform: translateY(-4px);
}

.cert-thumb {
  aspect-ratio: 800 / 566;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-gold);
}

.cert-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.cert-body {
  padding: 18px 20px;
}

.cert-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.cert-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
}

.cert-zoom {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-gold);
}

.cert-note {
  max-width: 780px;
  margin: 26px auto 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

.cert-note i {
  color: var(--gold);
  margin-right: 4px;
}

.cert-note a {
  color: var(--text-gold);
  border-bottom: 1px dashed var(--border-gold-light);
}

/* 证书大图弹窗 */
.cert-modal-panel {
  position: relative;
  max-width: 90vw;
  max-height: calc(100dvh - 80px);
  padding: 46px 20px 20px;
  border-radius: 16px;
  background: var(--bg-dark-2);
  border: 1px solid var(--border-gold-light);
  text-align: center;
  overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

.cert-modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.cert-modal-panel img {
  max-width: min(760px, 86vw);
  max-height: calc(100dvh - 200px);
  width: auto;
  height: auto;
  border-radius: 8px;
  background: #ffffff;
  display: block;
  margin: 0 auto;
}

@media (max-width: 480px) {
  .cert-grid { grid-template-columns: 1fr; gap: 18px; }
}