/* ===== CSS 变量 ===== */
:root {
  --primary: #0C58D4;
  --primary-dark: #0845AA;
  --primary-light: #EBF2FF;
  --accent: #F5B200;
  --accent-dark: #D99A00;
  --accent-light: #FFF8E0;
  --text-dark: #0D1117;
  --text-body: #374151;
  --text-muted: #6B7280;
  --bg-white: #FFFFFF;
  --bg-light: #F8F9FB;
  --bg-dark: #07090F;
  --border: #E5E8EF;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.12);
  --shadow-blue: 0 8px 32px rgba(12,88,212,.22);
  --shadow-gold: 0 8px 32px rgba(245,178,0,.28);
  --radius: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --transition: 0.22s ease;
  --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text-body); background: var(--bg-white); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== 通用工具类 ===== */
/* 容器宽度：最大 1600px，同时保证不超过视口 92%，小屏最少 24px 边距 */
.container { max-width: min(1600px, 92vw); margin: 0 auto; padding: 0 max(20px, 2.5vw); }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-gold { color: var(--accent); }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: .8px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
/* 金色胶囊：用于深色背景下的 section tag */
.section-tag.tag-gold {
  background: rgba(245,178,0,.12);
  color: var(--accent);
  border: 1px solid rgba(245,178,0,.3);
  box-shadow: 0 0 24px rgba(245,178,0,.15);
  text-transform: none;
  letter-spacing: .3px;
  padding: 6px 16px;
}
.section-tag.tag-gold::before { animation: tag-pulse 2s ease-in-out infinite; }
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 760px;
  line-height: 1.8;
}
.section-header { margin-bottom: 52px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-subtitle { margin: 0 auto; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}
.btn:hover::after { background: rgba(255,255,255,.08); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #1a72f5 100%);
  color: #fff;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-blue); }

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #FFD040 100%);
  color: #1a1200;
  font-weight: 700;
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: var(--shadow-gold); }

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.6);
  backdrop-filter: blur(4px);
}
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-1px); }
.btn-outline::after { display: none; }

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline-primary:hover { background: var(--primary); color: #fff; transform: translateY(-1px); }
.btn-outline-primary::after { display: none; }

.btn-lg { padding: 16px 38px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-ghost { background: rgba(12,88,212,.08); color: var(--primary); }
.btn-ghost:hover { background: rgba(12,88,212,.15); }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(20px) saturate(200%);
  -webkit-backdrop-filter: blur(20px) saturate(200%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.navbar.scrolled {
  border-color: rgba(0,0,0,.07);
  box-shadow: 0 1px 24px rgba(0,0,0,.06);
}
/* 顶部品牌色细线，滚动后出现 */
.navbar::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity .3s;
}
.navbar.scrolled::after { opacity: 1; }

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.navbar-logo-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* 导航链接 - 下划线动画风格 */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0;
  height: 100%;
}
.navbar-nav a {
  display: flex;
  align-items: center;
  height: 72px;
  font-size: 14px;
  font-weight: 500;
  color: #4B5563;
  padding: 0 18px;
  letter-spacing: 0.3px;
  position: relative;
  transition: color .2s;
  white-space: nowrap;
}
/* 下划线指示器 */
.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 18px; right: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px 1px 0 0;
  transform: scaleX(0);
  transition: transform .25s cubic-bezier(.4,0,.2,1);
  transform-origin: center;
}
.navbar-nav a:hover {
  color: var(--primary);
  background: none;
}
.navbar-nav a:hover::after {
  transform: scaleX(1);
}
.navbar-nav a.active {
  color: var(--primary);
  font-weight: 600;
  background: none;
}
.navbar-nav a.active::after {
  transform: scaleX(1);
}

.navbar-cta { display: flex; align-items: center; gap: 10px; }
.navbar-mobile-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 5px;
}
.navbar-mobile-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition);
}
.mobile-menu {
  display: none;
  padding: 8px 24px 24px;
  border-top: 1px solid rgba(0,0,0,.06);
  background: rgba(255,255,255,.98);
}
.mobile-menu a {
  display: flex;
  align-items: center;
  font-size: 15px;
  font-weight: 500;
  color: #374151;
  padding: 13px 0;
  border-bottom: 1px solid rgba(0,0,0,.05);
  letter-spacing: 0.2px;
  transition: color .2s, padding-left .2s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--primary); padding-left: 6px; }
.mobile-menu .btn { width: 100%; justify-content: center; margin-top: 16px; }
.mobile-menu-cta {
  margin-top: 20px;
  padding: 18px 20px;
  background: linear-gradient(135deg, #EEF4FF 0%, #F0F7FF 100%);
  border: 1px solid rgba(12,88,212,.12);
  border-radius: 14px;
  text-align: center;
}
.mobile-menu-cta-tip {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
  opacity: .85;
  letter-spacing: .3px;
}
.mobile-menu-cta-btn {
  width: 100%;
  justify-content: center;
  border-radius: 10px;
  font-size: 15px;
  padding: 13px 20px;
}

/* ===== 卡片 ===== */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #1a72f5);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.card:hover {
  border-color: rgba(12,88,212,.18);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}
.card:hover::before { opacity: 1; }
.card-img { width: 100%; height: 210px; object-fit: cover; }
.card-body { padding: 24px; }
.card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.card-title { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; line-height: 1.4; }
.card-text { font-size: 14px; color: var(--text-muted); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-footer { padding: 14px 24px; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-footer > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.card-footer > .btn { flex-shrink: 0; }

/* ===== 标签列表 ===== */
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 5px;
}

/* ===== 网格 ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== 统计数字 ===== */
.stat-number { font-size: clamp(32px, 5vw, 52px); font-weight: 900; color: var(--primary); line-height: 1; letter-spacing: -1px; }
.stat-unit { font-size: 20px; font-weight: 700; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 8px; letter-spacing: .3px; }

/* ===== 分页 ===== */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.page-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
  background: #fff;
  color: var(--text-body);
}
.page-btn:hover, .page-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: var(--shadow-blue);
}

/* ===== Footer ===== */
.footer {
  background: linear-gradient(160deg, #04122A 0%, #071A40 60%, #0A2050 100%);
  color: rgba(255,255,255,.65);
  padding: 72px 0 0;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary) 30%, var(--accent) 70%, transparent);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr 1fr; gap: 40px; padding-bottom: 52px; }
.footer-logo { margin-bottom: 18px; }
.footer-logo-img-wrap {
  display: inline-block;
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  line-height: 0;
}
.footer-desc { font-size: 14px; line-height: 1.85; color: rgba(255,255,255,.5); margin-bottom: 20px; }
.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,.9);
  margin-bottom: 18px;
  letter-spacing: .8px;
  text-transform: uppercase;
}
.footer-col-title::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  margin-top: 8px;
  border-radius: 2px;
}
.footer-links { display: flex; flex-direction: column; gap: 11px; }
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,.45);
  transition: color var(--transition);
  position: relative;
  padding-left: 0;
}
.footer-links a:hover { color: rgba(255,255,255,.9); padding-left: 4px; }
.footer-contact-item { display: flex; gap: 10px; font-size: 13px; color: rgba(255,255,255,.45); margin-bottom: 14px; line-height: 1.55; }
.footer-contact-item .icon { flex-shrink: 0; color: var(--accent); margin-top: 2px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,.25);
}

/* ===== 悬浮咨询按钮 ===== */
.float-consult {
  position: fixed;
  right: 24px;
  bottom: 80px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
  border: none;
}
.float-btn:hover { transform: scale(1.12); }
.float-btn-primary { background: var(--primary); color: #fff; }
.float-btn-accent {
  background: linear-gradient(135deg, var(--accent), #FFD040);
  color: #1a1200;
  box-shadow: var(--shadow-gold);
}
.float-btn-back { background: #fff; color: var(--text-muted); border: 1px solid var(--border); }

/* ===== 咨询弹窗 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: #fff;
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(24px) scale(.96);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 24px 80px rgba(0,0,0,.2);
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal-header {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, var(--bg-light), #fff);
}
.modal-title { font-size: 18px; font-weight: 800; color: var(--text-dark); }
.modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text-muted); padding: 0; transition: color var(--transition); }
.modal-close:hover { color: var(--text-dark); }
.modal-body { padding: 24px 28px 28px; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; letter-spacing: .2px; }
.form-label .req { color: #EF4444; }
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--bg-light);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(12,88,212,.1); background: #fff; }
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  padding: 12px 0;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }

/* ===== 提示消息 ===== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 16px;
}
.alert-success { background: #ECFDF5; color: #065F46; border: 1px solid #6EE7B7; }
.alert-error { background: #FEF2F2; color: #991B1B; border: 1px solid #FCA5A5; }

/* ===== 空状态 ===== */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state .icon { font-size: 48px; margin-bottom: 16px; opacity: .4; }
.empty-state p { font-size: 15px; }

/* ===== 页面顶部留白（导航栏高度） ===== */
.page-top { padding-top: 68px; }

/* ===== 内页 Hero ===== */
.inner-hero {
  background: linear-gradient(150deg, #050810 0%, #091026 55%, #0C1840 100%);
  padding: 120px 0 100px;
  color: #fff;
  text-align: left;
  position: relative;
  overflow: hidden;
}
/* 点阵纹理 */
.inner-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
/* 蓝色光晕左上 */
.inner-hero-glow1 {
  position: absolute;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(12,88,212,.22) 0%, transparent 70%);
  top: -140px; left: -80px;
  pointer-events: none;
}
/* 金色光晕右下 */
.inner-hero-glow2 {
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,178,0,.1) 0%, transparent 70%);
  bottom: -60px; right: 10%;
  pointer-events: none;
}
.inner-hero .container {
  position: relative;
  z-index: 1;
  max-width: min(1600px, 92vw);
  padding-left: max(24px, 4vw);
  padding-right: max(24px, 4vw);
}
.inner-hero .section-tag {
  background: rgba(245,178,0,.12);
  color: var(--accent);
  border: 1px solid rgba(245,178,0,.3);
  box-shadow: 0 0 24px rgba(245,178,0,.15);
  text-transform: none;
  letter-spacing: .3px;
  padding: 6px 16px;
}
.inner-hero .section-tag::before {
  background: var(--accent);
  animation: tag-pulse 2s ease-in-out infinite;
}
@keyframes tag-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .5; transform: scale(1.3); }
}
.inner-hero .section-title { color: #fff; }
.inner-hero .section-subtitle { color: rgba(255,255,255,.6); margin: 0; max-width: 900px; }

/* 内页 Hero 标题单行化 */
.inner-hero-title {
  white-space: nowrap;
  font-size: clamp(22px, 3.2vw, 52px);
  letter-spacing: -0.5px;
}
.inner-hero-subtitle {
  white-space: nowrap;
  font-size: clamp(12px, 1.3vw, 16px);
  max-width: 100% !important;
}
.inner-hero-title .text-gold {
  background: linear-gradient(135deg, var(--accent) 0%, #FFD040 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: italic;
}
.inner-hero-subtitle .text-gold {
  color: var(--accent);
  font-weight: 600;
}
@media (max-width: 768px) {
  .inner-hero-title { white-space: normal; font-size: clamp(22px, 6vw, 36px); }
  .inner-hero-subtitle { white-space: normal; font-size: 14px; }
}

/* about 使命区响应式 grid */
.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 900px) {
  .mission-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* 底部与白色背景的自然衔接：用 section 之间的 border 而非渐变 */
.inner-hero + section,
.inner-hero + .section,
.inner-hero + .section-sm { border-top: none; }

/* ===== 筛选标签 ===== */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.filter-tab {
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  background: #fff;
}
.filter-tab:hover { border-color: var(--primary); color: var(--primary); }
.filter-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: var(--shadow-blue); }

/* ===== 加载中 ===== */
.loading { text-align: center; padding: 40px; color: var(--text-muted); font-size: 15px; }
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 滚动入场动画系统 ===== */
/* 初始隐藏状态 */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  transition-delay: var(--rd, 0ms);
  will-change: opacity, transform;
}
.reveal-left  { opacity: 0; transform: translateX(-44px); transition: opacity 0.7s cubic-bezier(0.22,0.61,0.36,1), transform 0.7s cubic-bezier(0.22,0.61,0.36,1); transition-delay: var(--rd, 0ms); }
.reveal-right { opacity: 0; transform: translateX(44px);  transition: opacity 0.7s cubic-bezier(0.22,0.61,0.36,1), transform 0.7s cubic-bezier(0.22,0.61,0.36,1); transition-delay: var(--rd, 0ms); }
.reveal-scale { opacity: 0; transform: scale(0.9);        transition: opacity 0.6s cubic-bezier(0.22,0.61,0.36,1), transform 0.6s cubic-bezier(0.22,0.61,0.36,1); transition-delay: var(--rd, 0ms); }
.reveal-fade  { opacity: 0;                               transition: opacity 0.7s ease; transition-delay: var(--rd, 0ms); }

/* 进入视口后的可见状态 */
.reveal.in-view,
.reveal-left.in-view,
.reveal-right.in-view,
.reveal-scale.in-view,
.reveal-fade.in-view {
  opacity: 1;
  transform: none;
}

/* 用 data-stagger 属性自动为子元素分配延迟 */
/* 由 JS 动态处理 */

/* 减少动画（无障碍）*/
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right, .reveal-scale, .reveal-fade,
  .page-anim { opacity: 1 !important; transform: none !important; transition: none !important; animation: none !important; }
}

/* ===== 内页 Hero 入场动画（各子页面通用）===== */
@keyframes pageHeroUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}
.page-anim {
  opacity: 0;
  animation: pageHeroUp 0.75s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}
.page-anim-1 { animation-delay: 0.1s; }
.page-anim-2 { animation-delay: 0.26s; }
.page-anim-3 { animation-delay: 0.42s; }

/* ===== 装饰性点阵背景 ===== */
.dot-bg {
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ===== 渐变分隔线 ===== */
.gradient-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
  margin: 0;
}

/* ===== 亮色 badge ===== */
.badge-gold {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-dark);
  background: var(--accent-light);
  border: 1px solid rgba(245,178,0,.3);
  padding: 4px 12px;
  border-radius: 20px;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .navbar-nav, .navbar-cta .btn { display: none; }
  .navbar-mobile-btn { display: flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .float-consult { right: 12px; bottom: 60px; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
}