/* ============================================
   广州鼎信财税顾问有限公司 - 官网样式
   品牌色：深蓝 #1a3a5c + 暖橙 #e8793a + 金色 #d4a843
   调性：专业、稳重、温暖、可信赖
   ============================================ */

/* --- CSS变量 --- */
:root {
  --color-primary: #1a3a5c;
  --color-primary-light: #2a5a8c;
  --color-primary-dark: #0f2640;
  --color-accent: #e8793a;
  --color-accent-light: #f09a60;
  --color-gold: #d4a843;
  --color-bg: #ffffff;
  --color-bg-light: #f5f7fa;
  --color-bg-warm: #fdf8f3;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  --color-border: #e5e8ed;
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;
  --shadow-sm: 0 2px 8px rgba(26,58,92,0.06);
  --shadow-md: 0 4px 20px rgba(26,58,92,0.08);
  --shadow-lg: 0 8px 40px rgba(26,58,92,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --max-width: 1200px;
  --header-height: 72px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--color-text);
  line-height: 1.7;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }

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

ul, ol { list-style: none; }

/* --- 通用容器 --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- 顶部导航 --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.logo-text small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--color-text-light);
  letter-spacing: 2px;
}

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

.nav a {
  padding: 8px 16px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-weight: 500;
}

.nav a:hover,
.nav a.active {
  color: var(--color-primary);
  background: var(--color-bg-light);
}

.nav-cta {
  margin-left: 16px;
}

/* --- 汉堡菜单（移动端） --- */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

/* --- 移动端独立CTA按钮（桌面端隐藏） --- */
.header-cta-mobile {
  display: none !important;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(232,121,58,0.3);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-white {
  background: #fff;
  color: var(--color-primary);
}

.btn-white:hover {
  background: var(--color-bg-light);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn-lg { padding: 16px 36px; font-size: 17px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* --- Hero 首屏 --- */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,121,58,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212,168,67,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  font-size: 13px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.hero .subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero 数据条 */
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--color-gold);
}

.hero-stat span {
  font-size: 14px;
  opacity: 0.8;
}

/* --- 章节通用 --- */
.section {
  padding: 80px 0;
}

.section-light { background: var(--color-bg-light); }
.section-warm { background: var(--color-bg-warm); }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(232,121,58,0.1);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-header p {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* --- 服务卡片网格 --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.services-grid.grid-3 { grid-template-columns: repeat(3, 1fr); }
.services-grid.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --- 信任网格变体 --- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

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

/* --- 链接卡片（去掉下划线/颜色继承） --- */
.service-card-link { text-decoration: none; cursor: pointer; }
.service-card-link:hover { transform: translateY(-4px); }
.news-card-link { text-decoration: none; color: inherit; }

/* --- 章节底部居中 --- */
.section-footer { text-align: center; margin-top: 40px; }

/* --- 留资CTA按钮居中 --- */
.lead-cta-btn { justify-content: center; }

/* --- 流程卡片（居中） --- */
.process-card { text-align: center; }
.process-card .service-icon { margin: 0 auto 20px; }

.service-card {
  background: #fff;
  padding: 36px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

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

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  opacity: 0;
  transition: opacity var(--transition);
}

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

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.service-icon.blue { background: rgba(26,58,92,0.08); color: var(--color-primary); }
.service-icon.orange { background: rgba(232,121,58,0.1); color: var(--color-accent); }
.service-icon.gold { background: rgba(212,168,67,0.1); color: var(--color-gold); }

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

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

.service-card .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.service-card .tag-list span {
  padding: 3px 10px;
  background: var(--color-bg-light);
  font-size: 12px;
  color: var(--color-text-light);
  border-radius: 50px;
}

/* --- 生命周期时间线 --- */
.lifecycle {
  position: relative;
}

.lifecycle::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-primary), var(--color-gold));
  transform: translateX(-50%);
}

.lifecycle-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 48px;
  position: relative;
}

.lifecycle-item:nth-child(even) { flex-direction: row-reverse; }

.lifecycle-item .content {
  width: 44%;
  padding: 28px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.lifecycle-item .content:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.lifecycle-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--color-accent);
  z-index: 1;
}

.lifecycle-item:nth-child(2) .lifecycle-dot { background: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary); }
.lifecycle-item:nth-child(3) .lifecycle-dot { background: var(--color-gold); box-shadow: 0 0 0 2px var(--color-gold); }

.lifecycle-phase {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.lifecycle-item:nth-child(2) .lifecycle-phase { color: var(--color-primary); }
.lifecycle-item:nth-child(3) .lifecycle-phase { color: var(--color-gold); }

.lifecycle-item h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.lifecycle-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
}

.lifecycle-item ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.lifecycle-item ul li {
  padding: 4px 12px;
  background: var(--color-bg-light);
  font-size: 13px;
  color: var(--color-text-light);
  border-radius: 50px;
}

/* --- 问答 FAQ --- */
.faq-categories {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  justify-content: center;
}

.faq-cat-btn {
  padding: 8px 20px;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 50px;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
}

.faq-cat-btn:hover,
.faq-cat-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.faq-search {
  max-width: 480px;
  margin: 0 auto 32px;
  position: relative;
}

.faq-search input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border: 2px solid var(--color-border);
  border-radius: 50px;
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition);
}

.faq-search input:focus { border-color: var(--color-primary); }

.faq-search .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-lighter);
  font-size: 16px;
}

.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover { border-color: var(--color-primary-light); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-primary);
  transition: background var(--transition);
  user-select: none;
}

.faq-question:hover { background: var(--color-bg-light); }

.faq-question .arrow {
  font-size: 12px;
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.faq-item.open .faq-answer { max-height: 600px; }

.faq-loadmore {
  text-align: center;
  margin-top: 32px;
}

/* --- 新闻/政策列表 --- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition);
}

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

.news-card-img {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 48px;
}

.news-card-body { padding: 24px; }

.news-card-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.news-card-meta span {
  font-size: 12px;
  color: var(--color-text-lighter);
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-card-meta .category-tag {
  padding: 2px 8px;
  background: rgba(232,121,58,0.1);
  color: var(--color-accent);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.news-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- 案例卡片 --- */
.case-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
}

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

.case-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.case-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

.case-info h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}

.case-info span {
  font-size: 13px;
  color: var(--color-text-lighter);
}

.case-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.case-result {
  padding: 16px;
  background: var(--color-bg-warm);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent);
}

.case-result h5 {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.case-result ul li {
  font-size: 13px;
  color: var(--color-text-light);
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}

.case-result ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* --- 信任墙/资质 --- */
.trust-item {
  text-align: center;
  padding: 28px 16px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.trust-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.trust-item .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--color-bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.trust-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.trust-item p {
  font-size: 12px;
  color: var(--color-text-lighter);
  line-height: 1.5;
}

/* --- 价值观卡片 --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  text-align: center;
  padding: 36px 24px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.value-card .char {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.value-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

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

/* --- 创始人区块 --- */
.founder-section {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}

.founder-photo {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--color-bg-light), var(--color-border));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
  color: var(--color-border);
}

.founder-content h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.founder-content .title {
  font-size: 15px;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 20px;
}

.founder-content p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.founder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.founder-tags span {
  padding: 6px 14px;
  background: var(--color-bg-light);
  border-radius: 50px;
  font-size: 13px;
  color: var(--color-text-light);
}

/* --- 联系表单 --- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--color-primary); }

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

.contact-info-list { display: flex; flex-direction: column; gap: 24px; }

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-item .icon {
  width: 44px;
  height: 44px;
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --- 留资弹窗/资料包 --- */
.lead-magnet {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 40px;
}

.lead-magnet-content { flex: 1; }

.lead-magnet-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.lead-magnet-content p {
  font-size: 15px;
  opacity: 0.9;
  line-height: 1.7;
}

.lead-magnet-form {
  flex: 0 0 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lead-magnet-form input {
  padding: 14px 18px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition);
}

.lead-magnet-form input::placeholder { color: rgba(255,255,255,0.5); }
.lead-magnet-form input:focus { border-color: var(--color-accent); }

/* --- CTA 区块 --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  padding: 80px 0;
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 32px;
}

/* --- 页脚 --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.7;
  max-width: 320px;
}

.footer h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer ul li { margin-bottom: 10px; }

.footer ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer ul li a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  opacity: 0.5;
}
.footer-bottom p { margin: 2px 0; }

/* --- 面包屑 --- */
.breadcrumb {
  padding: calc(var(--header-height) + 24px) 0 0;
  font-size: 14px;
  color: var(--color-text-lighter);
}

.breadcrumb a { color: var(--color-text-light); }
.breadcrumb span { margin: 0 8px; }

/* --- 页面标题 --- */
.page-title {
  padding: calc(var(--header-height) + 40px) 0 48px;
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
}

.page-title h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-title p {
  font-size: 16px;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
}

/* --- 分页 --- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.pagination a,
.pagination span {
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: all var(--transition);
}

.pagination a:hover,
.pagination .active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* --- 回到顶部 --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

/* --- 浮动咨询按钮 --- */
.float-consult {
  position: fixed;
  bottom: 32px;
  left: 32px;
  z-index: 999;
}

.float-consult-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(232,121,58,0.3);
  transition: all var(--transition);
}

.float-consult-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,121,58,0.4);
}

/* --- 内页信息栏 --- */
.info-bar {
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 16px;
  background: var(--color-bg-warm);
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-light);
}

.info-bar span { display: flex; align-items: center; gap: 6px; }

/* --- 移动端导航菜单 --- */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
  z-index: 999;
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  display: block;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: var(--color-bg-light);
  color: var(--color-primary);
}

.mobile-nav .btn {
  text-align: center;
  margin-top: 16px;
  justify-content: center;
}

/* ============================================
   响应式设计
   ============================================ */

/* --- 平板（≤1024px）--- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid.grid-3,
  .services-grid.grid-4 { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid.grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .founder-section { grid-template-columns: 1fr; }
  .founder-photo { max-width: 300px; }
  .lead-magnet { flex-direction: column; text-align: center; }
  .lead-magnet-form { flex: none; width: 100%; max-width: 400px; }
}

/* --- 手机横屏 / 大手机（≤768px）--- */
@media (max-width: 768px) {
  :root { --header-height: 60px; }

  /* 导航：隐藏桌面导航，显示汉堡菜单和独立CTA */
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .header-cta-mobile { display: inline-flex !important; }

  /* Hero 区域 */
  .hero { padding-top: calc(var(--header-height) + 32px); padding-bottom: 56px; }
  .hero h1 { font-size: 28px; line-height: 1.35; margin-bottom: 16px; }
  .hero .subtitle { font-size: 15px; margin-bottom: 28px; }
  .hero .subtitle br { display: none; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-wrap: wrap; gap: 16px 32px; margin-top: 32px; padding-top: 24px; }
  .hero-stat strong { font-size: 24px; }
  .hero-stat span { font-size: 12px; }

  /* 章节 */
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 36px; }
  .section-header h2 { font-size: 24px; }
  .section-header p { font-size: 14px; }

  /* 网格全部单列 */
  .services-grid,
  .services-grid.grid-3,
  .services-grid.grid-4 { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid,
  .trust-grid.grid-3 { grid-template-columns: 1fr 1fr; }

  /* 生命周期 */
  .lifecycle::before { display: none; }
  .lifecycle-item,
  .lifecycle-item:nth-child(even) { flex-direction: column; }
  .lifecycle-item .content { width: 100%; }
  .lifecycle-dot { display: none; }

  /* 联系/表单 */
  .contact-wrapper { grid-template-columns: 1fr; }

  /* 页脚 */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand p { max-width: 100%; }
  .footer ul { list-style: none; padding: 0; }
  .footer-grid > div:nth-child(n+2) { padding-left: 0; }

  /* 页面标题 */
  .page-title h1 { font-size: 26px; }

  /* 浮动按钮 */
  .float-consult { bottom: 80px; left: 16px; }
  .back-to-top { bottom: 16px; right: 16px; width: 40px; height: 40px; font-size: 16px; }

  /* 留资区块 */
  .lead-magnet { padding: 32px 20px; border-radius: var(--radius-md); }
  .lead-magnet-content h3 { font-size: 20px; }
  .lead-magnet-content p { font-size: 14px; }
  .lead-magnet-form input { padding: 12px 14px; font-size: 14px; }

  /* CTA 区块 */
  .cta-section { padding: 48px 0; }
  .cta-section h2 { font-size: 24px; }
  .cta-section p { font-size: 14px; }

  /* 服务卡片优化移动端间距 */
  .service-card { padding: 24px 20px; }
  .service-card h3 { font-size: 16px; }

  /* 信任项优化 */
  .trust-item { padding: 20px 12px; }
  .trust-item p { font-size: 12px; }

  /* 价值观卡片 */
  .value-card { padding: 24px 16px; }
  .value-card .char { font-size: 28px; }
  .value-card h3 { font-size: 17px; }

  /* 新闻卡片 */
  .news-card-body { padding: 20px; }
  .news-card h3 { font-size: 15px; }
}

/* --- 小手机（≤480px）--- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding-top: calc(var(--header-height) + 24px); padding-bottom: 40px; }
  .hero h1 { font-size: 24px; }
  .hero-badge { font-size: 12px; padding: 5px 12px; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-stat strong { font-size: 22px; }

  .section { padding: 40px 0; }
  .section-header h2 { font-size: 22px; }
  .section-header { margin-bottom: 28px; }

  .values-grid { grid-template-columns: 1fr; }
  .trust-grid,
  .trust-grid.grid-3 { grid-template-columns: 1fr; }

  .lead-magnet { padding: 28px 16px; }

  .footer { padding: 40px 0 0; }
  .footer-grid { gap: 24px; }
  .footer-brand .logo { font-size: 20px; }
  .footer-brand p { font-size: 13px; line-height: 1.7; }
  .footer h4 { font-size: 14px; margin-bottom: 12px; }
  .footer ul li { margin-bottom: 6px; }
  .footer ul li a { font-size: 13px; }
  .footer-bottom { padding: 16px 0; }
  .footer-bottom p { font-size: 11px; line-height: 1.7; }

  /* 浮动咨询按钮缩小 */
  .float-consult { bottom: 72px; left: 12px; }
  .float-consult-btn { padding: 10px 18px; font-size: 13px; }
  .back-to-top { bottom: 12px; right: 12px; }

  /* 按钮在小屏幕的适配 */
  .btn { padding: 11px 20px; font-size: 14px; }
  .btn-lg { padding: 14px 28px; font-size: 15px; }

  /* 去除多余margin */
  .news-card-img { height: 140px; font-size: 36px; }
}

/* --- 动画 --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}