*, *::before, *::after { box-sizing: border-box; }
/* ============================================
   CSMG — 原创设计系统 (非模板化)
   ============================================ */

/* --- 品牌色板 --- */
:root {
  /* 主色调: 深海军蓝 + 暖金色 */
  --csmg-navy: #0B1628;
  --csmg-navy-soft: #1A2C42;
  --csmg-gold: #C9A84C;
  --csmg-gold-light: #E0C878;
  --csmg-gold-dark: #A8882E;
  
  /* 中性色 — 暖调而非纯灰 */
  --csmg-warm-50: #FAF9F7;
  --csmg-warm-100: #F0EEEB;
  --csmg-warm-200: #E0DCD6;
  --csmg-warm-300: #C4BFB8;
  --csmg-warm-400: #9E9890;
  --csmg-warm-500: #7A746C;
  --csmg-warm-600: #5C5750;
  --csmg-warm-700: #3D3934;
  --csmg-warm-800: #26231F;
  --csmg-warm-900: #141210;
  
  --csmg-bg: #FAF9F7;
  --csmg-text: #141210;
  --csmg-text-soft: #5C5750;
  
  --csmg-accent: #C9A84C;
  --csmg-accent-hover: #B8963C;
  --csmg-link: #2C5F8A;
  --csmg-link-hover: #1A3D5C;
}

/* --- 字体 --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --csmg-font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --csmg-font-text: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --csmg-font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --csmg-font-zh: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
  --csmg-font-zh-text: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* --- 全局重置 --- */
body {
  font-family: var(--csmg-font-text);
  background: var(--csmg-bg);
  color: var(--csmg-text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden !important !important;
}

html[lang="zh-CN"] body {
  font-family: var(--csmg-font-zh-text);
}

h1, h2, h3, h4 {
  font-family: var(--csmg-font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3,
html[lang="zh-CN"] h4 {
  font-family: var(--csmg-font-zh-text);
  letter-spacing: 0.01em;
  line-height: 1.3;
}

/* --- 颗粒纹理 (removed for mobile compatibility) --- */

/* --- 自定义光标 --- */
.csmg-cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--csmg-gold);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: difference;
}

.csmg-cursor-follower {
  position: fixed;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--csmg-gold);
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, border-color 0.3s;
  mix-blend-mode: difference;
}

.csmg-cursor.hovering {
  width: 16px;
  height: 16px;
  background: var(--csmg-navy);
}

.csmg-cursor-follower.hovering {
  width: 48px;
  height: 48px;
  border-color: #000000;
  background: rgba(201, 168, 76, 0.08);
}

/* --- 导航栏 (非 Apple 克隆) --- */
.csmg-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 60px;
  background: #FFFFFF;
  border-bottom: 1px solid #D0D0D0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: box-shadow 0.4s;
}

.csmg-nav.scrolled {
  background: #FFFFFF;
  box-shadow: 0 1px 20px rgba(0,0,0,0.04);
}

.csmg-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* --- Logo (不再用 Apple 复古) --- */
.csmg-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.csmg-brand-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

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

.csmg-brand-name {
  font-family: var(--csmg-font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #000000;
  letter-spacing: -0.03em;
  line-height: 1;
}

.csmg-brand-tagline {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--csmg-warm-500);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  line-height: 1.3;
  margin-top: 2px;
}

html[lang="zh-CN"] .csmg-brand-name {
  font-family: var(--csmg-font-zh-text);
  letter-spacing: 0;
}

/* --- 导航链接 --- */
.csmg-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.csmg-nav-link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--csmg-text-soft);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  transition: all 0.25s ease;
  position: relative;
}

.csmg-nav-link:hover {
  color: var(--csmg-text);
  background: rgba(0,0,0,0.04);
}

.csmg-nav-link.active {
  color: #000000;
  background: rgba(11, 22, 40, 0.06);
  font-weight: 600;
}

/* --- CTA 按钮 (非 Apple 蓝) --- */
.csmg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--csmg-font-text);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.csmg-btn-primary {
  background: var(--csmg-navy);
  color: white;
  box-shadow: 0 2px 12px rgba(11, 22, 40, 0.15);
}

.csmg-btn-primary:hover {
  background: var(--csmg-navy-soft);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(11, 22, 40, 0.2);
}

.csmg-btn-gold {
  background: linear-gradient(135deg, var(--csmg-gold), var(--csmg-gold-light));
  color: #000000;
  box-shadow: 0 2px 16px rgba(201, 168, 76, 0.3);
}

.csmg-btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(201, 168, 76, 0.4);
}

.csmg-btn-outline {
  background: transparent;
  color: #000000;
  border: 1.5px solid var(--csmg-navy);
}

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

/* --- 语言切换 --- */
.csmg-lang {
  display: inline-flex;
  align-items: center;
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid var(--csmg-warm-200);
  gap: 2px;
}

.csmg-lang a {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--csmg-warm-500);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 4px;
  transition: all 0.2s;
}

.csmg-lang a:hover {
  color: var(--csmg-text);
  background: rgba(0,0,0,0.04);
}

.csmg-lang a.active {
  color: #000000;
  font-weight: 700;
  background: rgba(11, 22, 40, 0.06);
}

.csmg-lang span {
  color: var(--csmg-warm-300);
  font-size: 0.78rem;
}

/* --- Hero (非 Apple) --- */
.csmg-hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
  background: var(--csmg-navy);
}

.csmg-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 30% 50%, rgba(201,168,76,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(201,168,76,0.04) 0%, transparent 50%);
}

.csmg-hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.csmg-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}

.csmg-hero-badge {
  display: inline-block;
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.25);
  color: var(--csmg-gold-light);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 32px;
  backdrop-filter: blur(8px);
}

.csmg-hero-title {
  font-family: var(--csmg-font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  color: white;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 900px;
  margin-bottom: 24px;
}

.csmg-hero-title em {
  font-style: normal;
  color: var(--csmg-gold);
}

.csmg-hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 40px;
}

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

.csmg-hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.csmg-hero-stat-value {
  font-family: var(--csmg-font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  line-height: 1;
}

.csmg-hero-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  margin-top: 6px;
  letter-spacing: 0.02em;
}

/* --- 内容区块 (非 Apple) --- */
.csmg-section {
  padding: 100px 0;
}

.csmg-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.csmg-section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--csmg-gold-dark);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
  padding-left: 40px;
}

.csmg-section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 2px;
  background: var(--csmg-gold);
  transform: translateY(-50%);
}

.csmg-section-title {
  font-family: var(--csmg-font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: #000000;
  line-height: 1.12;
  margin-bottom: 16px;
  max-width: 700px;
}

.csmg-section-desc {
  font-size: 1.05rem;
  color: var(--csmg-text-soft);
  line-height: 1.7;
  max-width: 560px;
}

/* --- 卡片 (非 Apple) --- */
.csmg-card {
  background: white;
  border-radius: 16px;
  padding: 36px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  border: 1px solid rgba(0,0,0,0.04);
}

.csmg-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(11, 22, 40, 0.06);
  border-color: rgba(201, 168, 76, 0.2);
}

.csmg-card-number {
  font-family: var(--csmg-font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--csmg-gold);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.4;
}

/* --- 滚动动画 --- */
.csmg-reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.csmg-reveal-left {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.csmg-reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.csmg-reveal-right {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.csmg-reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.csmg-reveal-scale {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.csmg-reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* --- 网格 (非 Tailwind) --- */
.csmg-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.csmg-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}

.csmg-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* --- 间距工具 (非 Tailwind) --- */
.csmg-mb-1 { margin-bottom: 8px; }
.csmg-mb-2 { margin-bottom: 16px; }
.csmg-mb-3 { margin-bottom: 24px; }
.csmg-mb-4 { margin-bottom: 32px; }
.csmg-mb-5 { margin-bottom: 48px; }
.csmg-mb-6 { margin-bottom: 64px; }
.csmg-mt-5 { margin-top: 48px; }
.csmg-mt-6 { margin-top: 64px; }
.csmg-text-center { text-align: center; }

/* --- 底部 (非 Apple) --- */
.csmg-footer {
  background: var(--csmg-navy);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 40px;
}

.csmg-footer-inner { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

.csmg-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.csmg-footer-brand {
  font-family: var(--csmg-font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 8px;
}

.csmg-footer-title {
  font-family: var(--csmg-font-text);
  font-size: 0.78rem;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.csmg-footer-links { list-style: none; padding: 0; margin: 0; }
.csmg-footer-links li { margin-bottom: 10px; }
.csmg-footer-links a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.csmg-footer-links a:hover { color: var(--csmg-gold); }

.csmg-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

/* --- 响应式 --- */
@media (max-width: 768px) {
  .csmg-grid-2, .csmg-grid-3, .csmg-grid-4 { grid-template-columns: 1fr; gap: 20px; }
  .csmg-section { padding: 40px 0; }
  .csmg-section-inner { padding: 0 16px; }
  .csmg-hero { min-height: auto; padding: 70px 0 40px; }
  .csmg-hero-title { font-size: clamp(1.6rem, 8vw, 2.4rem) !important; letter-spacing: -0.01em; }
  .csmg-hero-sub { font-size: 0.9rem !important; max-width: 100%; }
  .csmg-hero-actions { flex-direction: column; gap: 12px; }
  .csmg-hero-actions .csmg-btn { width: 100%; justify-content: center; }
  .csmg-card { padding: 20px; }
  .csmg-footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .csmg-footer { padding: 40px 0 20px; }
  .csmg-footer-inner { padding: 0 16px; }
  .csmg-section-title { font-size: clamp(1.3rem, 5vw, 1.8rem) !important; }
  .csmg-section-desc { font-size: 0.9rem; }
  .csmg-hero-badge { font-size: 0.75rem !important; padding: 6px 14px !important; }
  .csmg-card h3 { font-size: 1.05rem; }
  .csmg-card p { font-size: 0.88rem; }
  .csmg-stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .csmg-stat-value { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .csmg-container { padding: 0 12px; }
  .csmg-hero-inner { padding: 0 16px; }
  .csmg-footer-grid { grid-template-columns: 1fr; }
  .csmg-hero-title { font-size: clamp(1.4rem, 7vw, 2rem) !important; }
  .csmg-section { padding: 32px 0; }
  .csmg-hero { padding: 60px 0 30px; }
}

/* --- 移动端汉堡菜单 --- */
.csmg-nav-toggle {
  display: none !important;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.csmg-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--csmg-text);
  transition: all 0.3s;
  border-radius: 2px;
}

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

/* --- 简化动画脉冲 --- */
@keyframes csmg-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

/* === 抑制 Apple 设计系统的外观 === */
/* 覆写旧的 .apple-* 类行为，过渡到 CSMG 设计 */
.apple-nav, .apple-hero, .apple-section, .apple-footer {
  /* 这些在模板中已被替换，保留旧类兼容 */ 
}

/* 尊重系统偏好 - 减少动画 */
@media (prefers-reduced-motion: reduce) {
  .csmg-reveal, .csmg-reveal-left, .csmg-reveal-right, .csmg-reveal-scale {
    opacity: 1;
    transform: none;
  }
  .csmg-cursor, .csmg-cursor-follower { display: none; }
}

/* Body fix for mobile fixed nav */
html { margin: 0; padding: 0; overflow-x: hidden !important !important; }
body { margin: 0; padding: 0; min-height: 100vh; }

/* Topbar offset */
.topbar-padding { padding-top: 52px; }

/* Force body background for X5 compatibility */
html { background: #0B1628; }
body { background: #FFFFFF; }