/* ========================================
   为福健康管理集团 - 全局样式表
   设计语言：朱砂红 + 大地棕 + 米白
   ======================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Serif+SC:wght@400;600;700&display=swap');

/* ========================================
   CSS Variables - 设计变量
   ======================================== */
:root {
  /* 颜色系统 */
  --primary: #B22222;
  --primary-dark: #8B1A1A;
  --primary-light: #D44545;
  --secondary: #8B4513;
  --secondary-dark: #6B3410;
  --secondary-light: #A65D2E;
  --background: #FAFAF5;
  --background-alt: #F5F0E8;
  --text: #333333;
  --text-light: #666666;
  --text-lighter: #999999;
  --accent: #F5E6D3;
  --white: #FFFFFF;
  --black: #1A1A1A;
  --footer-bg: #2C2C2C;
  --footer-text: #CCCCCC;
  
  /* 边框颜色 */
  --border: #E5E0D8;
  --border-light: #F0EBE3;
  
  /* 功能色 */
  --success: #2E7D32;
  --warning: #F57C00;
  --error: #D32F2F;
  --info: #1976D2;
  
  /* 字体 */
  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Serif SC', 'PingFang Mincho', 'SimSun', serif;
  
  /* 字号 */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* 间距 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* 响应式断点 */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
  
  /* 容器宽度 */
  --container-max: 1280px;
  --container-padding: 1.5rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text);
  background-color: var(--background);
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
}

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

a:hover {
  color: var(--primary-dark);
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* ========================================
   Utility Classes - 工具类
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-16) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title h2 {
  font-size: var(--text-3xl);
  color: var(--text);
  margin-bottom: var(--space-4);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
}

.section-title p {
  color: var(--text-light);
  font-size: var(--text-lg);
  margin-top: var(--space-4);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-light { color: var(--text-light); }

.bg-primary { background-color: var(--primary); }
.bg-secondary { background-color: var(--secondary); }
.bg-accent { background-color: var(--accent); }
.bg-white { background-color: var(--white); }

.font-heading { font-family: var(--font-heading); }
.font-body { font-family: var(--font-body); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.hidden { display: none; }
.visible { display: block; }

/* ========================================
   Header - 顶部导航
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.header.scrolled .logo {
  color: var(--primary);
}

.logo-seal {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.125rem;
  font-weight: 700;
  font-family: var(--font-heading);
  flex-shrink: 0;
}

.header.scrolled .logo-seal {
  background: var(--primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.375rem 0.625rem;
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.header.scrolled .nav-link {
  color: var(--text);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(178, 34, 34, 0.1);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  padding: var(--space-2);
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: block;
  padding: var(--space-2) var(--space-4);
  color: var(--text);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav-dropdown-item:hover {
  background: var(--accent);
  color: var(--primary);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.header-cta:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.header.scrolled .menu-toggle span {
  background: var(--text);
}

/* ========================================
   Hero Banner - 轮播图
   ======================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slide-bg > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 0;
}

.hero-slide-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.08) 0%,
    rgba(0, 0, 0, 0.05) 50%,
    rgba(0, 0, 0, 0.22) 100%
  );
  z-index: 1;
  pointer-events: none;
}

.hero-slide-bg .placeholder-image {
  position: relative;
  z-index: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-lg);
}

.hero-slide-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.08) 0%,
    rgba(0, 0, 0, 0.05) 50%,
    rgba(0, 0, 0, 0.22) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
  text-align: center;
  color: var(--white);
  padding: 0 var(--container-padding);
  overflow: hidden;
}

.hero-content::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 51%;
  width: min(860px, 78vw);
  height: 270px;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse at center,
    rgba(18, 10, 10, 0.46) 0%,
    rgba(18, 10, 10, 0.28) 38%,
    rgba(18, 10, 10, 0) 72%
  );
  pointer-events: none;
}

.hero-title {
  position: relative;
  z-index: 1;
  color: #fff !important;
  font-size: clamp(3rem, 4.3vw, 4.05rem);
  line-height: 1.08;
  font-weight: 700;
  margin-bottom: var(--space-4);
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.45);
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.92) !important;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  opacity: 0.95;
  margin-bottom: var(--space-8);
  text-shadow: 0 5px 18px rgba(0, 0, 0, 0.36);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: linear-gradient(135deg, #c99842 0%, #8f5f1f 100%);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 500;
  border-radius: var(--radius-full);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
  transition: all var(--transition-fast);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-cta:hover {
  background: linear-gradient(135deg, #d8ad59 0%, #9e6e29 100%);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Hero Navigation */
.hero-nav {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-3);
  z-index: 20;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hero-dot.active {
  background: var(--white);
  transform: scale(1.2);
}

/* ========================================
   Stats Counter - 统计数字
   ======================================== */
.stats {
  background: var(--white);
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-8);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-light);
  font-family: var(--font-heading);
}

/* ========================================
   Cards - 卡片组件
   ======================================== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-tag {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-1) var(--space-3);
  background: var(--primary);
  color: var(--white);
  font-size: var(--text-xs);
  font-family: var(--font-heading);
  border-radius: var(--radius-full);
}

.card-tag.status-delivered {
  background: var(--success);
}

.card-tag.status-construction {
  background: var(--warning);
}

.card-tag.status-coming {
  background: var(--info);
}

.card-body {
  padding: var(--space-5);
}

.card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.card-desc {
  color: var(--text-light);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.card-footer {
  display: flex;
  gap: var(--space-2);
}

/* Icon Cards */
.icon-card {
  text-align: center;
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.icon-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.icon-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: var(--text-2xl);
}

.icon-card-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.icon-card-desc {
  font-size: var(--text-sm);
  color: var(--text-light);
}

/* ========================================
   Timeline - 时间线
   ======================================== */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-8) - 6px);
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border-radius: var(--radius-full);
  border: 3px solid var(--white);
  box-shadow: var(--shadow-md);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-1);
}

.timeline-content {
  background: var(--white);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.timeline-title {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}

.timeline-desc {
  font-size: var(--text-sm);
  color: var(--text-light);
  margin: 0;
}

/* ========================================
   Formula Display - 公式展示
   ======================================== */
.formula-display {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: var(--space-12);
  border-radius: var(--radius-xl);
  text-align: center;
  color: var(--white);
}

.formula-text {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  letter-spacing: 2px;
}

.formula-desc {
  font-size: var(--text-base);
  opacity: 0.9;
}

/* ========================================
   Mission/Vision/Values - 使命愿景价值观
   ======================================== */
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.mvv-item {
  text-align: center;
  padding: var(--space-8);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.mvv-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--background));
  border-radius: var(--radius-full);
  font-size: var(--text-3xl);
}

.mvv-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.mvv-text {
  font-size: var(--text-sm);
  color: var(--text-light);
}

.values-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.value-item {
  text-align: center;
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.value-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.value-name {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.value-desc {
  font-size: var(--text-sm);
  color: var(--text-light);
}

/* ========================================
   Page Banner - 页面横幅
   ======================================== */
.page-banner {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  color: var(--white);
  text-align: center;
}

.page-banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.4) 50%,
    rgba(0, 0, 0, 0.6) 100%
  );
}

.page-banner-content {
  position: relative;
  z-index: 10;
}

.page-banner-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-3);
}

.page-banner-subtitle {
  font-size: var(--text-xl);
  opacity: 0.9;
}

/* ========================================
   Buttons - 按钮
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  color: var(--white);
}

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

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

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

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

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ========================================
   Forms - 表单
   ======================================== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(178, 34, 34, 0.1);
}

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

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* ========================================
   Tabs - 标签页
   ======================================== */
.tabs {
  margin-bottom: var(--space-8);
}

.tabs-nav {
  display: flex;
  gap: var(--space-2);
  border-bottom: 2px solid var(--border);
  padding-bottom: var(--space-2);
}

.tab-btn {
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-light);
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: calc(-1 * var(--space-2) - 2px);
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.tab-btn.active,
.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ========================================
   Accordion - 手风琴
   ======================================== */
.accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  background: var(--white);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.accordion-header:hover {
  background: var(--background);
}

.accordion-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
}

.accordion-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

.accordion-body {
  padding: 0 var(--space-5) var(--space-5);
  background: var(--background);
}

/* ========================================
   Ecosystem Diagram - 生态图
   ======================================== */
.ecosystem {
  position: relative;
  padding: var(--space-16) 0;
  text-align: center;
}

.ecosystem-center {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 10;
}

.ecosystem-nodes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.ecosystem-node {
  padding: var(--space-3) var(--space-6);
  background: var(--white);
  border: 2px solid var(--primary);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--primary);
  transition: all var(--transition-fast);
}

.ecosystem-node:hover {
  background: var(--primary);
  color: var(--white);
}

/* ========================================
   News List - 新闻列表
   ======================================== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.news-item {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.news-thumb {
  width: 180px;
  height: 120px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-content {
  flex: 1;
}

.news-date {
  font-size: var(--text-xs);
  color: var(--text-lighter);
  margin-bottom: var(--space-2);
}

.news-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.news-item:hover .news-title {
  color: var(--primary);
}

.news-excerpt {
  font-size: var(--text-sm);
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========================================
   Footer - 页脚
   ======================================== */
.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer-mission {
  font-size: var(--text-sm);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--white);
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  background: var(--primary);
  color: var(--white);
}

.footer-column h4 {
  color: var(--white);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: var(--footer-text);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.footer-bottom a {
  color: var(--footer-text);
}

.footer-bottom a:hover {
  color: var(--white);
}

.footer-whistleblower {
  color: var(--primary-light);
}

/* ========================================
   Brand Matrix - 品牌矩阵
   ======================================== */
.brand-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.brand-item {
  text-align: center;
  padding: var(--space-8);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.brand-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.brand-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: var(--text-2xl);
}

.brand-name {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.brand-desc {
  font-size: var(--text-sm);
  color: var(--text-light);
}

/* ========================================
   SiBaoS - 为福四宝
   ======================================== */
.sibaos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.sibao-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.sibao-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.sibao-header {
  padding: var(--space-5);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  text-align: center;
}

.sibao-icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}

.sibao-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
}

.sibao-body {
  padding: var(--space-5);
}

.sibao-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sibao-list-item {
  font-size: var(--text-sm);
  color: var(--text-light);
  padding-left: var(--space-5);
  position: relative;
}

.sibao-list-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
}

/* ========================================
   Honors - 荣誉墙
   ======================================== */
.honors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.honor-item {
  text-align: center;
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.honor-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  border-radius: var(--radius-full);
  font-size: var(--text-3xl);
}

.honor-title {
  font-size: var(--text-base);
  font-weight: 600;
}

/* ========================================
   Strategy Roadmap - 战略路线图
   ======================================== */
.strategy-roadmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  position: relative;
}

.strategy-roadmap::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  z-index: 0;
}

.strategy-phase {
  text-align: center;
  position: relative;
  z-index: 1;
}

.strategy-period {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.strategy-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.strategy-target {
  font-size: var(--text-base);
  color: var(--primary);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.strategy-milestones {
  font-size: var(--text-sm);
  color: var(--text-light);
}

.strategy-milestones span {
  display: block;
  margin-top: var(--space-1);
}

/* ========================================
   Architecture Diagram - 架构图
   ======================================== */
.architecture-layers {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.arch-layer {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-5);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary);
}

.arch-layer:nth-child(2) {
  border-left-color: var(--secondary);
}

.arch-layer:nth-child(3) {
  border-left-color: var(--info);
}

.arch-layer:nth-child(4) {
  border-left-color: var(--success);
}

.arch-layer-name {
  min-width: 200px;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
}

.arch-layer-desc {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--text-light);
}

.arch-layer-benefits {
  padding: var(--space-2) var(--space-4);
  background: var(--accent);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--secondary);
}

/* ========================================
   Promises - 承诺卡片
   ======================================== */
.promises-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.promise-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.promise-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.promise-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: var(--text-3xl);
}

.promise-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.promise-desc {
  font-size: var(--text-sm);
  color: var(--text-light);
}

/* ========================================
   Comparison - 对比
   ======================================== */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.comparison-item {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
}

.comparison-item.traditional {
  background: #FFF5F5;
  border: 2px solid #FFCCCC;
}

.comparison-item.weifu {
  background: #F0FFF4;
  border: 2px solid #90EE90;
}

.comparison-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.comparison-item.traditional .comparison-title {
  color: var(--error);
}

.comparison-item.weifu .comparison-title {
  color: var(--success);
}

.comparison-points {
  font-size: var(--text-sm);
  color: var(--text-light);
}

/* ========================================
   Integration Diagram - 一体化图
   ======================================== */
.integration-diagram {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.integration-item {
  flex: 1;
  max-width: 250px;
  text-align: center;
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
}

.integration-item::after {
  content: '+';
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.integration-item:last-child::after {
  display: none;
}

.integration-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: var(--text-2xl);
}

.integration-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.integration-desc {
  font-size: var(--text-xs);
  color: var(--text-light);
}

/* ========================================
   Facility Grid - 设施网格
   ======================================== */
.facility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.facility-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.facility-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.facility-image {
  height: 160px;
  overflow: hidden;
}

.facility-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.facility-item:hover .facility-image img {
  transform: scale(1.1);
}

.facility-body {
  padding: var(--space-4);
}

.facility-name {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.facility-desc {
  font-size: var(--text-sm);
  color: var(--text-light);
}

/* ========================================
   Service Cards - 服务卡片
   ======================================== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.service-card {
  text-align: center;
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: var(--text-xl);
}

.service-name {
  font-size: var(--text-sm);
  font-weight: 600;
}

/* ========================================
   Tour Cards - 游玩卡片
   ======================================== */
.tour-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.tour-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.tour-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.tour-icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: var(--text-2xl);
}

.tour-name {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.tour-desc {
  font-size: var(--text-sm);
  color: var(--text-light);
}

/* ========================================
   Tucao Section - 吐槽吧
   ======================================== */
.tucao-rules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.tucao-allowed,
.tucao-forbidden {
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.tucao-rules-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tucao-allowed .tucao-rules-title {
  color: var(--success);
}

.tucao-forbidden .tucao-rules-title {
  color: var(--error);
}

.tucao-rules-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.tucao-rules-item {
  font-size: var(--text-sm);
  color: var(--text-light);
  padding-left: var(--space-5);
  position: relative;
}

.tucao-allowed .tucao-rules-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
}

.tucao-forbidden .tucao-rules-item::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: var(--error);
}

.tucao-form {
  background: var(--white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-8);
}

.tucao-form textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  resize: vertical;
  font-family: inherit;
  margin-bottom: var(--space-4);
}

.tucao-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.tucao-form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tucao-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.tucao-item {
  padding: var(--space-5);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.tucao-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.tucao-author {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary);
}

.tucao-time {
  font-size: var(--text-xs);
  color: var(--text-lighter);
}

.tucao-content {
  font-size: var(--text-base);
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.tucao-footer {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.tucao-like {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--text-light);
  cursor: pointer;
}

.tucao-like:hover {
  color: var(--primary);
}

.tucao-official {
  font-size: var(--text-xs);
  color: var(--info);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ========================================
   Contact Info - 联系信息
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.contact-info {
  padding: var(--space-8);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: var(--text-xl);
}

.contact-label {
  font-size: var(--text-sm);
  color: var(--text-light);
  margin-bottom: var(--space-1);
}

.contact-value {
  font-size: var(--text-base);
  font-weight: 500;
}

.map-container {
  height: 300px;
  background: var(--background-alt);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}

/* ========================================
   Whistleblower - 举报入口
   ======================================== */
.whistleblower {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  color: var(--white);
  text-align: center;
}

.whistleblower-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.whistleblower-desc {
  font-size: var(--text-base);
  opacity: 0.9;
  margin-bottom: var(--space-6);
}

.whistleblower-channels {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.whistleblower-channel {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

/* ========================================
   Process Steps - 流程步骤
   ======================================== */
.process-steps {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

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

.process-step::after {
  content: '→';
  position: absolute;
  right: -40px;
  top: 20px;
  font-size: var(--text-2xl);
  color: var(--primary);
}

.process-step:last-child::after {
  display: none;
}

.process-number {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-full);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
}

.process-name {
  font-size: var(--text-base);
  font-weight: 500;
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease forwards;
}

.animate-slideInLeft {
  animation: slideInLeft 0.6s ease forwards;
}

/* Scroll animations */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Responsive - 响应式
   ======================================== */
@media (max-width: 1024px) {
  :root {
    --container-padding: 1rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .values-list {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .mvv-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .strategy-roadmap {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .strategy-roadmap::before {
    display: none;
  }
  
  .promises-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .facility-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .brand-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .sibaos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }
  
  .section {
    padding: var(--space-12) 0;
  }
  
  .nav-list {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  
  .stat-number {
    font-size: var(--text-3xl);
  }
  
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5 {
    grid-template-columns: 1fr;
  }
  
  .mvv-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .page-banner {
    height: 300px;
  }
  
  .news-item {
    flex-direction: column;
  }
  
  .news-thumb {
    width: 100%;
    height: 180px;
  }
  
  .tabs-nav {
    flex-wrap: wrap;
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    flex-wrap: wrap;
    gap: var(--space-4);
  }
  
  .process-step::after {
    display: none;
  }
  
  .brand-matrix {
    grid-template-columns: 1fr;
  }
  
  .sibaos-grid {
    grid-template-columns: 1fr;
  }
  
  .facility-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tour-grid {
    grid-template-columns: 1fr;
  }
  
  .tucao-rules {
    grid-template-columns: 1fr;
  }
  
  .promises-grid {
    grid-template-columns: 1fr;
  }
  
  .integration-diagram {
    flex-direction: column;
    align-items: center;
  }
  
  .integration-item::after {
    display: none;
  }
  
  .arch-layer {
    flex-direction: column;
    text-align: center;
  }
  
  .arch-layer-benefits {
    margin-top: var(--space-3);
  }
}

/* Mobile menu overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--white);
  padding: var(--space-3) var(--space-6);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--primary);
}

.mobile-nav-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--white);
  font-size: var(--text-xl);
  cursor: pointer;
}

/* ========================================
   Placeholder Images - 占位图
   ======================================== */
.placeholder-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--background-alt), var(--border));
  color: var(--text-lighter);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-4);
}

/* 新闻缩略图占位 */
.news-thumb .placeholder-image {
  height: 120px;
  background: linear-gradient(135deg, var(--background-alt) 0%, var(--border) 100%);
}

/* 卡片图片占位 */
.card-image .placeholder-image {
  height: 200px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--border) 100%);
  transition: all 0.3s ease;
}

.card-image:hover .placeholder-image {
  transform: scale(1.05);
}

/* ========================================
   Misc - 其他
   ======================================== */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  margin: var(--space-4) auto;
  border-radius: var(--radius-full);
}

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--primary);
  color: var(--white);
  font-size: var(--text-xs);
  font-family: var(--font-heading);
  border-radius: var(--radius-full);
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

/* Smooth scroll offset for fixed header */
section[id] {
  scroll-margin-top: 80px;
}


/* Live about page refinements */
.page-banner {
  background: linear-gradient(135deg, #7d1616 0%, #b22222 48%, #7a451d 100%);
  margin-top: 0;
}
.page-banner-title, .page-banner-subtitle { color: #fff; }
.logo-seal--wefov {
  width: auto;
  height: auto;
  padding: 0;
  border-radius: 0;
  background: linear-gradient(105deg, #6f4610 0%, #f9e59b 18%, #b47a20 36%, #fff4c5 52%, #9a6419 70%, #d9b45d 100%);
  background-size: 180% 100%;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  border: 0;
  box-shadow: none;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: .6px;
  text-shadow: 0 1px 0 rgba(255,255,255,.45), 0 8px 18px rgba(128, 84, 18, .18);
}
.header.scrolled .logo-seal--wefov,
.footer-logo .logo-seal--wefov {
  background: linear-gradient(105deg, #6f4610 0%, #f9e59b 18%, #b47a20 36%, #fff4c5 52%, #9a6419 70%, #d9b45d 100%);
  background-size: 180% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.header.scrolled .logo { color: #171717; }
.header-inner { max-width: 1440px; padding-left: 28px; padding-right: 28px; }
.nav { gap: .7rem; }
.nav-list { gap: .16rem; }
.nav-link { padding-left: .5rem; padding-right: .5rem; font-size: 12.5px; }
.header-cta { white-space: nowrap; }
@media (min-width: 1025px) {
  .menu-toggle { display: none; }
}
@media (max-width: 1280px) {
  .header-inner { padding-left: 18px; padding-right: 18px; }
  .nav-link { font-size: 12px; padding-left: .38rem; padding-right: .38rem; }
  .header-cta { padding-left: .65rem; padding-right: .65rem; }
}

/* Use uploaded WEFOV logo artwork */
.logo-latin-img{display:block;width:122px;height:auto;object-fit:contain;filter:drop-shadow(0 2px 2px rgba(45,26,6,.18));flex:0 0 auto}
.footer-logo .logo-latin-img{width:118px;filter:drop-shadow(0 2px 3px rgba(0,0,0,.28))}
@media (max-width:720px){.logo-latin-img{width:104px}.footer-logo .logo-latin-img{width:104px}}