/* ============================================
  梦想国际 - 企业级服务专家
  设计风格：野兽派 × 玻璃态 × 动态网格
  配色：暗夜紫 + 霓虹绿 + 金属银
  ============================================ */

/* 基础重置与字体 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;700;900&display=swap');

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a14;
  --bg-secondary: #12121f;
  --bg-glass: rgba(18, 18, 31, 0.72);
  --accent-purple: #7c3aed;
  --accent-green: #34d399;
  --accent-silver: #a0a0b8;
  --text-primary: #f1f1f6;
  --text-secondary: #b0b0c8;
  --text-muted: #6b6b82;
  --border-glass: rgba(124, 58, 237, 0.25);
  --shadow-glow: 0 0 30px rgba(52, 211, 153, 0.15);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --transition: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

/* ===== 容器 ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

/* ===== 头部 - 玻璃态 + 动态边框 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border-glass);
  transition: background var(--transition), border-color var(--transition);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-green), var(--accent-purple), transparent);
  opacity: 0.6;
  animation: headerGlow 4s ease-in-out infinite;
}

@keyframes headerGlow {
  0%, 100% { opacity: 0.3; transform: scaleX(0.8); }
  50% { opacity: 1; transform: scaleX(1); }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 24px;
}

/* ===== Logo - 野兽派字体 ===== */
.logo {
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.logo::before {
  content: '◆';
  -webkit-text-fill-color: initial;
  color: var(--accent-green);
  font-size: 0.6em;
  animation: spinLogo 8s linear infinite;
}

@keyframes spinLogo {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===== 主导航 ===== */
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  padding: 8px 0;
  position: relative;
  transition: color var(--transition);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-green);
  transition: all var(--transition);
  transform: translateX(-50%);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--accent-green);
}

.main-nav a:hover {
  color: var(--text-primary);
}

.main-nav a:hover::after {
  width: 100%;
}

/* ===== 导航CTA按钮 ===== */
.nav-cta {
  background: transparent;
  border: 1.5px solid var(--accent-purple);
  color: var(--accent-purple);
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}

.nav-cta:hover {
  background: var(--accent-purple);
  color: #fff;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
  transform: scale(1.05);
}

/* ===== 汉堡菜单 ===== */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 28px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 4px;
  transition: all var(--transition);
  transform-origin: center;
}

/* ===== Hero区域 - 野兽派网格 ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  background: 
    radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(52, 211, 153, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border: 1px solid rgba(124, 58, 237, 0.12);
  border-radius: 50%;
  animation: heroOrb 20s linear infinite;
  pointer-events: none;
}

@keyframes heroOrb {
  0% { transform: rotate(0deg) translateX(30px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(30px) rotate(-360deg); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-green);
  padding: 6px 16px;
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 50px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
  animation: fadeSlideUp 0.8s ease-out;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeSlideUp 0.8s ease-out 0.1s both;
}

.hero h1 .text-accent {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
  animation: fadeSlideUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeSlideUp 0.8s ease-out 0.3s both;
}

/* ===== 按钮系统 - 野兽派玻璃 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 60px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), #5b21b6);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 40px rgba(124, 58, 237, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--accent-green);
  background: rgba(52, 211, 153, 0.08);
  box-shadow: 0 0 25px rgba(52, 211, 153, 0.15);
  transform: translateY(-2px);
}

/* ===== Hero图片 ===== */
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeSlideUp 0.8s ease-out 0.15s both;
}

.hero-image::before {
  content: '';
  display: block;
  width: 100%;
  padding-bottom: 80%;
  background: 
    radial-gradient(circle at 30% 40%, rgba(124, 58, 237, 0.2) 0%, transparent 60%),
    radial-gradient(circle at 70% 60%, rgba(52, 211, 153, 0.15) 0%, transparent 60%);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(2px);
  animation: morphShape 12s ease-in-out infinite;
}

@keyframes morphShape {
  0%, 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
  33% { border-radius: 60% 40% 30% 70% / 50% 60% 40% 50%; }
  66% { border-radius: 30% 70% 50% 50% / 60% 40% 60% 40%; }
}

/* ===== 通用section ===== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 16px;
  position: relative;
  padding-left: 48px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 32px;
  height: 1.5px;
  background: var(--accent-green);
  transform: translateY(-50%);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.1;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ===== 卡片网格 - 解构主义 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.category-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 40px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-green));
  opacity: 0;
  transition: opacity var(--transition);
}

.category-card:hover {
  transform: translateY(-8px);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: var(--shadow-glow);
}

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

.card-icon {
  font-size: 2.8rem;
  margin-bottom: 20px;
  display: inline-block;
  filter: drop-shadow(0 0 12px rgba(52, 211, 153, 0.2));
}

.category-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.category-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-green);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap var(--transition);
}

.card-link::after {
  content: '→';
  transition: transform var(--transition);
}

.card-link:hover {
  gap: 14px;
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* ===== 特色区块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin: 80px 0;
}

.feature-image {
  position: relative;
  min-height: 300px;
  background: 
    linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(52, 211, 153, 0.05));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  overflow: hidden;
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 20px,
      rgba(124, 58, 237, 0.03) 20px,
      rgba(124, 58, 237, 0.03) 21px
    );
}

.feature-text {
  padding: 20px 0;
}

.feature-text h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.feature-list {
  list-style: none;
  margin-top: 24px;
}

.feature-list li {
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.feature-list li::before {
  content: '▸';
  color: var(--accent-green);
  font-weight: 700;
}

/* ===== 数据统计 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 60px 40px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  margin: 60px 0;
}

.stat-item {
  text-align: center;
  padding: 16px;
}

.stat-number {
  font-size: 3.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ===== 内容墙 - 杂志风格 ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 48px 0;
}

.content-wall-item {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: all var(--transition);
  position: relative;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.content-wall-item:hover {
  transform: scale(1.02);
  border-color: rgba(52, 211, 153, 0.3);
  box-shadow: var(--shadow-glow);
}

.content-wall-item::before {
  content: counter(item);
  counter-increment: item;
  font-size: 4rem;
  font-weight: 900;
  color: rgba(124, 58, 237, 0.08);
  position: absolute;
  top: 8px;
  right: 16px;
  line-height: 1;
  pointer-events: none;
}

.content-wall-item:first-child {
  counter-reset: item;
}

.content-wall-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.content-wall-body h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.content-wall-body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 40px auto;
}

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  cursor: pointer;
  transition: all var(--transition);
}

.faq-item summary {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  padding: 4px 0;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.6rem;
  color: var(--accent-green);
  transition: transform var(--transition);
  font-weight: 300;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 16px 0 8px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ===== CTA横幅 ===== */
.cta-banner {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(52, 211, 153, 0.08));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 60px 48px;
  text-align: center;
  margin: 60px 0;
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(52, 211, 153, 0.03) 0%, transparent 60%);
  animation: ctaPulse 6s ease-in-out infinite;
}

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

.cta-banner h2 {
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn {
  position: relative;
  z-index: 1;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  padding: 80px 0 0;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-brand .logo {
  font-size: 1.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--accent-green);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 24px;
  transition: color var(--transition);
}

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

/* ===== 工具类 ===== */
.text-accent {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.seo-description {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

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

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    padding: 40px 24px;
  }
  
  .content-wall {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 12px 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    padding: 80px 40px;
    gap: 24px;
    transition: right 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-left: 1px solid var(--border-glass);
    z-index: 999;
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .main-nav a {
    font-size: 1.2rem;
  }
  
  .nav-cta {
    margin-top: 16px;
    align-self: flex-start;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero h1 {
    font-size: 2.4rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 32px 20px;
  }
  
  .stat-number {
    font-size: 2.4rem;
  }
  
  .content-wall {
    grid-template-columns: 1fr;
  }
  
  .cta-banner {
    padding: 40px 24px;
  }
  
  .cta-banner h2 {
    font-size: 1.8rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .footer-bottom a {
    margin: 0 12px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .stats-bar {
    grid-template-columns: 1fr;
  }
  
  .stat-item {
    padding: 12px;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .feature-text h3 {
    font-size: 1.4rem;
  }
  
  .logo {
    font-size: 1.3rem;
  }
  
  .menu-toggle span {
    width: 24px;
  }
}