/* ========================================
   新加坡杭州商会 - 高级优化版
   Premium Modern Design
   ======================================== */

:root {
  /* 色彩系统 */
  --bg-primary: #09090b;
  --bg-secondary: #131318;
  --bg-tertiary: #1c1c22;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-gradient-start: #0f0f14;
  --bg-gradient-end: #09090b;
  
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --accent: #d4af37;
  --accent-light: #f5d68a;
  --accent-dark: #b8942e;
  --accent-glow: rgba(212, 175, 55, 0.15);
  --accent-glow-strong: rgba(212, 175, 55, 0.3);
  
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  
  /* 间距系统 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* 过渡 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 600ms;
  --duration-slower: 800ms;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Outfit', 'Space Grotesk', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 平滑滚动容器 */
.smooth-scroll-container {
  position: relative;
}

/* 自定义滚动条 */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { 
  background: linear-gradient(180deg, var(--accent), var(--accent-dark)); 
  border-radius: 4px; 
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent-light), var(--accent));
}
::selection { background: var(--accent); color: var(--bg-primary); }

/* ========================================
   导航栏 - 高级版
   ======================================== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 var(--space-3xl);
  height: 84px;
  background: rgba(9, 9, 11, 0.7);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: all var(--duration-normal) var(--ease-out);
}

nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.03) 0%, transparent 50%, rgba(212, 175, 55, 0.03) 100%);
  opacity: 0;
  transition: opacity var(--duration-normal);
}

nav:hover::before {
  opacity: 1;
}

nav.scrolled {
  height: 68px;
  background: rgba(9, 9, 11, 0.92);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  transition: transform var(--duration-normal) var(--ease-spring);
}

.nav-brand:hover {
  transform: translateX(4px);
}

.brand-icon {
  width: 44px;
  height: 44px;
  position: relative;
  flex-shrink: 0;
}

.brand-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.3));
  transition: filter var(--duration-normal);
}

.nav-brand:hover .brand-icon svg {
  filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.5));
}

.logo-container {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-cn {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.brand-en {
  font-size: 10px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 0;
  transition: color var(--duration-fast);
}

.nav-links a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width var(--duration-normal) var(--ease-out);
}

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

.nav-links a:hover::before,
.nav-links a.active::before {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px;
  background: var(--bg-tertiary);
  border-radius: 100px;
}

.lang-btn {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  padding: 6px 12px;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  color: var(--bg-primary);
  background: var(--accent);
  box-shadow: 0 2px 10px rgba(212, 175, 55, 0.3);
}

.lang-divider {
  display: none;
}

.join-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 600;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border: none;
  border-radius: 100px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-spring);
}

.join-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.join-btn:hover::before {
  opacity: 1;
}

.join-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.4);
}

.join-btn span, .join-btn svg {
  position: relative;
  z-index: 1;
}

.join-btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-normal);
}

.join-btn:hover svg {
  transform: translateX(4px);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--duration-normal);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  top: 84px;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: var(--space-2xl);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: all var(--duration-normal) var(--ease-out);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu li {
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateX(-20px);
  animation: slideInLeft 0.4s var(--ease-out) forwards;
}

.mobile-menu.active li:nth-child(1) { animation-delay: 0.1s; }
.mobile-menu.active li:nth-child(2) { animation-delay: 0.15s; }
.mobile-menu.active li:nth-child(3) { animation-delay: 0.2s; }
.mobile-menu.active li:nth-child(4) { animation-delay: 0.25s; }
.mobile-menu.active li:nth-child(5) { animation-delay: 0.3s; }

@keyframes slideInLeft {
  to { opacity: 1; transform: translateX(0); }
}

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
}

.mobile-menu a::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.mobile-menu a:hover::before {
  opacity: 1;
}

.mobile-lang {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.mobile-lang button {
  flex: 1;
  padding: var(--space-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.mobile-lang button:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* ========================================
   加载动画 - 高级版
   ======================================== */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity var(--duration-slow), visibility var(--duration-slow);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader {
  position: relative;
  width: 100px;
  height: 100px;
}

.loader-ring {
  position: absolute;
  inset: 0;
  border: 3px solid transparent;
  border-radius: 50%;
  animation: spin 1.5s linear infinite;
}

.loader-ring:nth-child(1) {
  border-top-color: var(--accent);
  animation-duration: 1.5s;
}

.loader-ring:nth-child(2) {
  inset: 10px;
  border-top-color: var(--accent-light);
  animation-duration: 1.2s;
  animation-direction: reverse;
}

.loader-ring:nth-child(3) {
  inset: 20px;
  border-top-color: rgba(212, 175, 55, 0.5);
  animation-duration: 1s;
}

.loader-text {
  margin-top: var(--space-xl);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ========================================
   页面过渡
   ======================================== */
.page-section {
  display: none;
  opacity: 0;
}

.page-section.active {
  display: block;
  animation: pageIn 0.6s var(--ease-out) forwards;
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   Hero 区域 - 增强版
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--space-3xl) var(--space-4xl);
  overflow: hidden;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 100% 60% at 50% -30%, rgba(212, 175, 55, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse 80% 50% at 80% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 40%),
    radial-gradient(ellipse 60% 40% at 20% 70%, rgba(212, 175, 55, 0.08) 0%, transparent 30%);
  pointer-events: none;
  animation: gradientPulse 8s ease-in-out infinite;
}

@keyframes gradientPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* 粒子背景 */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; top: 60%; animation-delay: 1s; }
.particle:nth-child(3) { left: 30%; top: 40%; animation-delay: 2s; }
.particle:nth-child(4) { left: 50%; top: 80%; animation-delay: 0.5s; }
.particle:nth-child(5) { left: 70%; top: 30%; animation-delay: 1.5s; }
.particle:nth-child(6) { left: 80%; top: 70%; animation-delay: 2.5s; }
.particle:nth-child(7) { left: 90%; top: 50%; animation-delay: 3s; }

@keyframes particleFloat {
  0%, 100% { 
    opacity: 0;
    transform: translateY(0) scale(0);
  }
  10% {
    opacity: 0.6;
    transform: translateY(0) scale(1);
  }
  90% {
    opacity: 0.6;
    transform: translateY(-100px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-120px) scale(0);
  }
}

/* 网格线 */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(212, 175, 55, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  padding: 14px 28px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 100px;
  backdrop-filter: blur(10px);
  animation: badgeFadeIn 1s var(--ease-out) 0.3s backwards;
}

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

.badge-line {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(52px, 12vw, 120px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
  animation: titleFadeIn 1s var(--ease-out) 0.5s backwards;
}

@keyframes titleFadeIn {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.title-line {
  display: inline-block;
  position: relative;
}

.title-line::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  animation: lineExpand 0.8s var(--ease-out) 1.2s forwards;
}

@keyframes lineExpand {
  to { transform: scaleX(1); }
}

.title-divider {
  color: var(--text-muted);
  margin: 0 var(--space-lg);
  font-weight: 300;
}

.gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-light), var(--accent));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: goldShimmer 3s ease-in-out infinite;
}

@keyframes goldShimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  animation: fadeInUp 0.8s var(--ease-out) 0.8s backwards;
}

.hero-en {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.8s var(--ease-out) 1s backwards;
}

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

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out) 1.2s backwards;
}

.btn-main {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 18px 36px;
  font-size: 14px;
  font-weight: 600;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border: none;
  border-radius: 100px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-spring);
}

.btn-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.btn-main:hover::before {
  opacity: 1;
}

.btn-main:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(212, 175, 55, 0.4);
}

.btn-main span, .btn-main svg {
  position: relative;
  z-index: 1;
}

.btn-main svg {
  width: 18px;
  height: 18px;
  transition: transform var(--duration-normal);
}

.btn-main:hover svg {
  transform: translateX(4px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 18px 36px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  border: 2px solid var(--border-hover);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--duration-normal);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-4px);
}

.scroll-hint {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: fadeInUp 0.8s var(--ease-out) 1.5s backwards;
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--accent-light);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  50% { transform: translateY(100%); }
  100% { transform: translateY(200%); }
}

/* ========================================
   统计区域 - 增强版
   ======================================== */
.stats-section {
  position: relative;
  padding: var(--space-3xl) var(--space-3xl);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.stats-bg {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.stats-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4xl);
  flex-wrap: wrap;
}

.stat-card {
  text-align: center;
  position: relative;
  padding: var(--space-lg);
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-glow);
  border-radius: 20px;
  opacity: 0;
  transform: scale(0.9);
  transition: all var(--duration-normal);
}

.stat-card:hover::before {
  opacity: 1;
  transform: scale(1);
}

.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 56px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  position: relative;
  z-index: 1;
}

.stat-suffix {
  font-size: 36px;
}

.stat-icon {
  font-size: 56px;
  line-height: 1;
  position: relative;
  z-index: 1;
}

.stat-label {
  margin-top: var(--space-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.stat-divider {
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--border), transparent);
}

/* ========================================
   通用页面 Hero
   ======================================== */
.page-hero {
  position: relative;
  padding: 180px var(--space-3xl) var(--space-4xl);
  text-align: center;
  overflow: hidden;
}

.page-hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  margin: 0 auto;
}

.page-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.page-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

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

.section-label {
  display:inline-flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.label-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 6px 12px;
  border-radius: 100px;
}

.label-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

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

/* ========================================
   关于我们 - 增强版
   ======================================== */
.about-section {
  padding: var(--space-4xl) var(--space-3xl);
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at right, rgba(212, 175, 55, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.about-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border-radius: 24px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.about-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(212, 175, 55, 0.1) 100%);
  pointer-events: none;
}

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

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

.about-image-placeholder {
  font-size: 100px;
  opacity: 0.1;
  transition: opacity var(--duration-normal);
}

.about-image:hover .about-image-placeholder {
  opacity: 0.15;
}

.about-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 110px;
  height: 110px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 50px rgba(212, 175, 55, 0.4);
  animation: badgeFloat 4s ease-in-out infinite;
}

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.badge-year {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--bg-primary);
  line-height: 1;
}

.badge-est {
  font-size: 9px;
  font-weight: 600;
  color: rgba(9, 9, 11, 0.6);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 4px;
}

.about-visual-lines {
  position: absolute;
  top: 30px;
  right: -50px;
  pointer-events: none;
}

.about-visual-lines .line {
  position: absolute;
  background: var(--accent);
  opacity: 0.15;
}

.line-1 {
  width: 2px;
  height: 120px;
  right: 0;
}

.line-2 {
  width: 120px;
  height: 2px;
  top: 0;
  right: 0;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: var(--space-xl);
}

.about-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-md);
  transition: color var(--duration-fast);
}

.about-text p:hover {
  color: var(--text-primary);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.feature-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 28px;
  flex-shrink: 0;
  filter: grayscale(0);
  transition: filter var(--duration-normal), transform var(--duration-normal);
}

.feature-item:hover .feature-icon {
  filter: grayscale(0);
  transform: scale(1.2);
}

.feature-info h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.feature-info p {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 0 !important;
}

/* ========================================
   会长致辞 - 增强版
   ======================================== */
.president-section {
  position: relative;
  padding: var(--space-4xl) var(--space-3xl);
  background: var(--bg-secondary);
  overflow: hidden;
}

.president-section::before,
.president-section::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.president-section::before {
  top: -100px;
  left: -100px;
  animation: pulseGlow 6s ease-in-out infinite;
}

.president-section::after {
  bottom: -100px;
  right: -100px;
  animation: pulseGlow 6s ease-in-out infinite 3s;
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 1; }
}

.president-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-3xl);
  align-items: center;
  z-index: 1;
}

.president-visual {
  text-align: center;
}

.president-photo {
  width: 220px;
  height: 280px;
  margin: 0 auto var(--space-xl);
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-primary));
  border-radius: 24px;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  transition: all var(--duration-normal);
}

.president-photo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(212, 175, 55, 0.1) 100%);
  pointer-events: none;
}

.president-photo:hover {
  border-color: var(--accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.president-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.president-photo span {
  font-size: 80px;
  opacity: 0.1;
}

.president-info h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
}

.president-info p {
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 6px;
}

.president-content {
  position: relative;
}

.quote-mark {
  font-family: Georgia, serif;
  font-size: 150px;
  color: var(--accent);
  opacity: 0.15;
  line-height: 0.3;
  margin-bottom: var(--space-lg);
  animation: quotePulse 4s ease-in-out infinite;
}

@keyframes quotePulse {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.25; }
}

blockquote {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: var(--space-xl);
}

.president-name-signature {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.president-name-signature span:first-child {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.president-title {
  font-size: 14px;
  color: var(--text-muted);
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: transparent;
  border: 2px solid var(--accent);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-spring);
}

.read-more-link:hover {
  background: var(--accent);
  color: var(--bg-primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.read-more-link svg {
  width: 18px;
  height: 18px;
  transition: transform var(--duration-normal);
}

.read-more-link:hover svg {
  transform: translateX(4px);
}

/* ========================================
   服务区域 - 增强版
   ======================================== */
.services-section {
  padding: var(--space-4xl) var(--space-3xl);
  background: var(--bg-primary);
  position: relative;
}

.services-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.services-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  position: relative;
  z-index: 1;
}

.service-card {
  padding: var(--space-2xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(212, 175, 55, 0.3);
  transform: translateY(-12px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-xl);
  background: var(--accent-glow);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  transition: all var(--duration-normal);
}

.service-card:hover .service-icon {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  transition: color var(--duration-fast);
}

.service-card:hover h3 {
  color: var(--accent);
}

.service-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========================================
   业务板块 - 增强版
   ======================================== */
.sectors-section {
  padding: var(--space-4xl) var(--space-3xl);
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.sectors-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 50% 30% at 10% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 90% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
  position: relative;
  z-index: 1;
}

.sectors-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  position: relative;
  z-index: 1;
}

.sector-card {
  padding: var(--space-xl) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.sector-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--duration-normal);
}

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

.sector-card:hover {
  border-color: var(--accent);
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.sector-icon {
  font-size: 42px;
  margin-bottom: var(--space-md);
  display: block;
  transition: transform var(--duration-normal) var(--ease-spring);
}

.sector-card:hover .sector-icon {
  transform: scale(1.2);
}

.sector-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  position: relative;
  z-index: 1;
}

.sector-en {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  position: relative;
  z-index: 1;
}

/* ========================================
   副会长单位 - 增强版
   ======================================== */
.vp-section {
  padding: var(--space-4xl) var(--space-3xl);
  background: var(--bg-primary);
  position: relative;
}

.vp-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-md);
}

.vp-card {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.vp-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--duration-normal);
  pointer-events: none;
}

.vp-card:hover::after {
  opacity: 1;
}

.vp-card:hover {
  border-color: rgba(212, 175, 55, 0.4);
  transform: translateY(-10px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.vp-logo {
  width: 90px;
  height: 90px;
  margin: 0 auto var(--space-xl);
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  overflow: hidden;
  transition: all var(--duration-normal);
  position: relative;
  z-index: 1;
}

.vp-card:hover .vp-logo {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
  transform: scale(1.1);
}

.vp-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vp-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}

.vp-type {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

/* ========================================
   顾问委员会 - 增强版
   ======================================== */
.advisory-hero {
  position: relative;
}

.advisory-hero .hero-bg-gradient {
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 175, 55, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse 40% 30% at 20% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 40%),
    radial-gradient(ellipse 40% 30% at 80% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 40%);
}

.hero-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.deco-circle {
  position: absolute;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.08;
  animation: decoFloat 8s ease-in-out infinite;
}

.deco-circle:nth-child(1) {
  width: 500px;
  height: 500px;
  top: -150px;
  right: -150px;
}

.deco-circle:nth-child(2) {
  width: 350px;
  height: 350px;
  bottom: -100px;
  left: -100px;
  animation-delay: -2s;
}

.deco-circle:nth-child(3) {
  width: 250px;
  height: 250px;
  top: 40%;
  left: 15%;
  animation-delay: -4s;
}

@keyframes decoFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -20px) scale(1.05); }
  66% { transform: translate(-10px, 10px) scale(0.95); }
}

.advisory-stats-section {
  padding: var(--space-3xl);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12) 0%, rgba(212, 175, 55, 0.03) 100%);
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.advisory-stats-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2xl);
  text-align: center;
}

.stat-num-lg {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 60px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-icon-lg {
  font-size: 60px;
  line-height: 1;
}

.members-section {
  padding: var(--space-4xl) var(--space-3xl);
  background: var(--bg-primary);
}

.members-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.member-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 28px;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.member-card:hover {
  border-color: rgba(212, 175, 55, 0.4);
  transform: translateY(-15px);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

.member-photo {
  position: relative;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.member-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(9, 9, 11, 0.95) 100%);
  z-index: 1;
}

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

.member-card:hover .member-photo img {
  transform: scale(1.1);
}

.member-photo-placeholder {
  font-size: 80px;
  opacity: 0.1;
}

.member-number {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 2;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--bg-primary);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.member-info {
  padding: var(--space-xl);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.08) 0%, transparent 100%);
  border-top: 3px solid var(--accent);
  position: relative;
  z-index: 2;
  margin-top: -40px;
}

.member-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.member-title {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.member-org {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.member-flag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border-radius: 100px;
  font-size: 12px;
  color: var(--text-primary);
}

/* ========================================
   新闻动态 - 增强版
   ======================================== */
.news-hero {
  position: relative;
}

.news-section {
  padding: var(--space-4xl) var(--space-3xl);
  background: var(--bg-primary);
}

.news-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-xl);
}

.news-featured {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 28px;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.news-featured:hover {
  border-color: rgba(212, 175, 55, 0.4);
  transform: translateY(-10px);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
}

.news-featured-img {
  position: relative;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.news-featured-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow);
}

.news-featured:hover .news-featured-img img {
  transform: scale(1.1);
}

.news-tag {
  position: absolute;
  top: var(--space-xl);
  left: var(--space-xl);
  padding: 10px 20px;
  font-size: 10px;
  font-weight: 700;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 100px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
}

.news-featured-body {
  padding: var(--space-xl);
}

.news-date {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.news-featured-body h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: var(--space-md);
  transition: color var(--duration-fast);
}

.news-featured:hover h3 {
  color: var(--accent);
}

.news-featured-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

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

.news-item {
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--duration-normal);
}

.news-item:hover {
  border-color: var(--accent);
  transform: translateX(10px);
  background: var(--bg-card-hover);
}

.news-item h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 8px;
  transition: color var(--duration-fast);
}

.news-item:hover h4 {
  color: var(--accent);
}

.news-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========================================
   联系我们 - 增强版
   ======================================== */
.contact-hero {
  position: relative;
}

.contact-section {
  padding: var(--space-4xl) var(--space-3xl);
  background: var(--bg-primary);
}

.contact-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
}

.contact-info-panel h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2xl);
}

.contact-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  margin-bottom: var(--space-lg);
  transition: all var(--duration-normal);
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateX(10px);
  background: var(--bg-card-hover);
}

.contact-card-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-glow);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
  transition: all var(--duration-normal);
}

.contact-card:hover .contact-card-icon {
  background: var(--accent);
  transform: scale(1.1);
}

.contact-card-content h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 6px;
}

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

.map-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.map-box {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}

.map {
  width: 100%;
  height: 180px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  transition: border-color var(--duration-normal);
}

.map-box:hover .map {
  border-color: var(--accent);
}

.map-label {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  padding: 8px 16px;
  font-size: 10px;
  font-weight: 700;
  color: var(--bg-primary);
  background: var(--accent);
  border-radius: 100px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 地址区域样式 */
.address-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.address-card {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all var(--duration-normal);
}

.address-card:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.address-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.address-flag {
  font-size: 24px;
}

.address-header h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.address-zh,
.address-en {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}

/* 语言切换显示 */
.address-zh,
.address-en {
  display: none;
}

html[lang^="zh"] .address-zh {
  display: block;
}

html[lang^="zh"] .address-en {
  display: none;
}

html[lang="en"] .address-zh {
  display: none;
}

html[lang="en"] .address-en {
  display: block;
}

.contact-form-panel {
  padding: var(--space-2xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 28px;
  position: relative;
  overflow: hidden;
}

.contact-form-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
}

.contact-form-panel h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-field {
  margin-bottom: var(--space-lg);
}

.form-field label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 16px 20px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 14px;
  outline: none;
  transition: all var(--duration-fast);
}

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

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--accent);
  background: rgba(212, 175, 55, 0.03);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.form-field select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.submit-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.submit-btn:hover::before {
  opacity: 1;
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(212, 175, 55, 0.4);
}

.submit-btn span, .submit-btn svg {
  position: relative;
  z-index: 1;
}

.submit-btn svg {
  width: 20px;
  height: 20px;
  transition: transform var(--duration-normal);
}

.submit-btn:hover svg {
  transform: translateX(4px);
}

/* ========================================
   页脚 - 增强版
   ======================================== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 100%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-3xl);
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-4xl);
  position: relative;
  z-index: 1;
}

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

.brand-icon-lg {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}

.brand-icon-lg svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 15px rgba(212, 175, 55, 0.3));
}

.brand-icon-lg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-brand-text h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.footer-brand-text p {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 6px;
}

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

.footer-link-group h5 {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.footer-link-group a,
.footer-link-group p {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: var(--space-sm);
  transition: all var(--duration-fast);
}

.footer-link-group a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-3xl);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

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

.footer-est {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 8px 16px;
  background: var(--accent-glow);
  border-radius: 100px;
}

/* ========================================
   滚动动画
   ======================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   响应式设计 - 增强版
   ======================================== */
@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .sectors-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .vp-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  nav {
    padding: 0 var(--space-xl);
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .about-visual {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .president-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .president-visual {
    order: -1;
  }
  
  .president-name-signature {
    justify-content: center;
  }
  
  .sectors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .advisory-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .members-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 48px;
    --space-4xl: 64px;
  }
  
  .hero {
    padding: 100px var(--space-xl) var(--space-3xl);
  }
  
  .hero-title {
    font-size: clamp(40px, 10vw, 60px);
  }
  
  .title-divider {
    display: block;
    margin: var(--space-sm) 0;
  }
  
  .stats-container {
    gap: var(--space-xl);
  }
  
  .stat-divider {
    display: none;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .vp-grid {
    grid-template-columns: 1fr;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  .members-grid {
    grid-template-columns: 1fr;
  }
  
  .advisory-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .stat-num-lg {
    font-size: 42px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-links-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .map-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 36px;
  }
  
  .hero-badge {
    font-size: 9px;
    padding: 10px 16px;
  }
  
  .badge-line {
    width: 20px;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .btn-main,
  .btn-ghost {
    width: 100%;
    justify-content: center;
  }
  
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-links-grid {
    grid-template-columns: 1fr;
  }
}