/* 币市官方网站 - 独特视觉设计系统 */
/* 野兽派 × 渐变流体 × 大胆排版 */

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

body { 
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif; 
  overflow-x: hidden; 
  background: #0a0a0a; 
  color: #e8e0d0; 
  font-weight: 400;
  line-height: 1.6;
}

::selection {
  background: #ff3e6c;
  color: #0a0a0a;
}

/* 核心布局 */
.container { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 24px; 
}

.section { 
  padding: 100px 0; 
  position: relative;
}

.section:nth-child(even) { 
  background: #111111; 
}

/* 导航 — 固定顶部 + 玻璃态暗色 */
.site-header { 
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  z-index: 1000; 
  background: rgba(10, 10, 10, 0.88); 
  backdrop-filter: blur(16px) saturate(1.2); 
  border-bottom: 1px solid rgba(255, 62, 108, 0.25); 
  transition: background 0.3s;
}

.header-inner { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  height: 72px; 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 24px; 
}

.logo { 
  display: flex; 
  align-items: center; 
  gap: 10px; 
  font-weight: 800; 
  font-size: 1.4rem; 
  text-decoration: none; 
  color: #ff3e6c; 
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.logo-icon { 
  width: 40px; 
  height: 40px; 
  border-radius: 12px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  font-size: 1.2rem; 
  background: linear-gradient(135deg, #ff3e6c, #ff8a5c);
  color: #0a0a0a;
  font-weight: 900;
}

.main-nav { 
  display: flex; 
  align-items: center; 
  gap: 32px; 
  list-style: none; 
}

.main-nav a { 
  text-decoration: none; 
  font-size: 0.85rem; 
  font-weight: 600; 
  color: #a09888; 
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.25s, transform 0.2s;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #ff3e6c;
  transition: width 0.3s;
}

.main-nav a:hover { 
  color: #ff3e6c; 
  transform: translateY(-1px);
}

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

.nav-cta { 
  padding: 10px 24px; 
  border-radius: 50px; 
  color: #0a0a0a !important; 
  font-weight: 700; 
  background: linear-gradient(135deg, #ff3e6c, #ff8a5c);
  box-shadow: 0 4px 20px rgba(255, 62, 108, 0.35);
  transition: box-shadow 0.3s, transform 0.2s !important;
}

.nav-cta:hover {
  box-shadow: 0 6px 30px rgba(255, 62, 108, 0.5);
  transform: translateY(-2px) !important;
}

.nav-cta::after { display: none !important; }

.menu-toggle { 
  display: none; 
  background: none;
  border: none;
  color: #e8e0d0;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* 首页Hero — 野兽派大标题 */
.hero { 
  min-height: 80vh; 
  display: flex; 
  align-items: center; 
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 50%, #1a0a0a 0%, #0a0a0a 70%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 62, 108, 0.15), transparent 70%);
  pointer-events: none;
}

.hero-content { 
  max-width: 800px; 
  position: relative;
  z-index: 2;
}

.hero-eyebrow { 
  display: inline-block; 
  font-size: 0.75rem; 
  font-weight: 700; 
  padding: 6px 18px; 
  border-radius: 50px; 
  margin-bottom: 20px; 
  background: rgba(255, 62, 108, 0.15);
  color: #ff8a5c;
  letter-spacing: 3px;
  text-transform: uppercase;
  border: 1px solid rgba(255, 62, 108, 0.3);
}

.hero h1 { 
  font-size: 4.5rem; 
  line-height: 1.05; 
  margin-bottom: 24px; 
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, #ff3e6c 0%, #ff8a5c 40%, #e8e0d0 70%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p { 
  font-size: 1.2rem; 
  opacity: 0.6; 
  max-width: 560px; 
  margin-bottom: 40px; 
  color: #a09888;
  line-height: 1.7;
}

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

.hero-image { 
  border-radius: 16px; 
  overflow: hidden; 
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  border: 1px solid rgba(255, 62, 108, 0.2);
}

.hero-image img { 
  width: 100%; 
  height: auto; 
  display: block;
}

/* 按钮 */
.btn { 
  display: inline-flex; 
  align-items: center; 
  gap: 10px; 
  padding: 14px 32px; 
  border-radius: 50px; 
  font-weight: 700; 
  cursor: pointer; 
  border: none; 
  text-decoration: none; 
  transition: all 0.3s ease; 
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.btn-primary { 
  color: #0a0a0a; 
  background: linear-gradient(135deg, #ff3e6c, #ff8a5c);
  box-shadow: 0 4px 20px rgba(255, 62, 108, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(255, 62, 108, 0.45);
}

.btn-outline { 
  background: transparent; 
  border: 1.5px solid #ff3e6c; 
  color: #ff3e6c;
}

.btn-outline:hover {
  background: rgba(255, 62, 108, 0.1);
  border-color: #ff8a5c;
  transform: translateY(-2px);
}

/* 标签/标题 */
.section-label { 
  display: inline-block; 
  font-size: 0.7rem; 
  font-weight: 700; 
  letter-spacing: 4px; 
  margin-bottom: 16px; 
  color: #ff8a5c;
  text-transform: uppercase;
}

.section-title { 
  font-size: 2.8rem; 
  margin-bottom: 16px; 
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  color: #e8e0d0;
}

.section-desc { 
  max-width: 600px; 
  opacity: 0.6; 
  margin-bottom: 48px; 
  color: #a09888;
  font-size: 1.05rem;
}

/* 卡片网格 */
.cards-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
  gap: 24px; 
}

.category-card { 
  border-radius: 16px; 
  padding: 32px; 
  border: 1px solid rgba(255, 255, 255, 0.06); 
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.35s ease; 
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #ff3e6c, #ff8a5c);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.category-card:hover { 
  transform: translateY(-6px); 
  box-shadow: 0 12px 40px rgba(255, 62, 108, 0.15); 
  border-color: rgba(255, 62, 108, 0.3);
  background: rgba(255, 62, 108, 0.04);
}

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

.card-icon { 
  width: 52px; 
  height: 52px; 
  border-radius: 14px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  margin-bottom: 20px; 
  font-size: 1.5rem; 
  background: linear-gradient(135deg, rgba(255, 62, 108, 0.15), rgba(255, 138, 92, 0.1));
  color: #ff8a5c;
}

.card-link { 
  font-weight: 700; 
  font-size: 0.85rem; 
  text-decoration: none; 
  color: #ff3e6c;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}

.card-link:hover {
  gap: 10px;
}

/* 特性块 */
.feature-block { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 60px; 
  align-items: center; 
}

.feature-image { 
  border-radius: 16px; 
  overflow: hidden; 
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-image img { 
  width: 100%; 
  height: auto; 
  display: block;
}

.feature-text { }

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

.feature-list li { 
  padding: 10px 0; 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  font-size: 1rem;
  color: #c8c0b0;
}

.feature-list li::before { 
  content: '◆'; 
  font-weight: 700; 
  color: #ff3e6c;
  font-size: 0.7rem;
}

/* 数据条 */
.stats-bar { 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  gap: 24px; 
  text-align: center; 
}

.stat-item { 
  padding: 32px 20px; 
  border-radius: 16px; 
  border: 1px solid rgba(255, 255, 255, 0.06); 
  background: rgba(255, 255, 255, 0.02);
  transition: background 0.3s;
}

.stat-item:hover {
  background: rgba(255, 62, 108, 0.04);
}

.stat-number { 
  font-size: 2.8rem; 
  font-weight: 900; 
  background: linear-gradient(135deg, #ff3e6c, #ff8a5c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-label { 
  font-size: 0.85rem; 
  opacity: 0.5; 
  margin-top: 8px; 
  color: #a09888;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* 内容墙 */
.content-wall { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); 
  gap: 24px; 
}

.content-wall-item { 
  border-radius: 16px; 
  overflow: hidden; 
  border: 1px solid rgba(255, 255, 255, 0.06); 
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.35s ease; 
}

.content-wall-item:hover { 
  transform: translateY(-6px); 
  box-shadow: 0 12px 40px rgba(255, 62, 108, 0.12); 
  border-color: rgba(255, 62, 108, 0.25);
}

.content-wall-item img { 
  width: 100%; 
  height: 220px; 
  object-fit: cover; 
  transition: transform 0.5s;
}

.content-wall-item:hover img {
  transform: scale(1.03);
}

.content-wall-body { 
  padding: 24px; 
}

.content-wall-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #e8e0d0;
}

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

.faq-item { 
  border: 1px solid rgba(255, 255, 255, 0.06); 
  border-radius: 12px; 
  margin-bottom: 10px; 
  overflow: hidden; 
  cursor: pointer; 
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.3s;
}

.faq-item:hover {
  border-color: rgba(255, 62, 108, 0.2);
}

.faq-item .faq-question { 
  padding: 20px 24px; 
  font-weight: 700; 
  display: flex; 
  justify-content: space-between; 
  align-items: center;
  color: #e8e0d0;
  font-size: 1rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: #ff3e6c;
  transition: transform 0.3s;
}

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

.faq-item .faq-answer { 
  padding: 0 24px 20px; 
  display: none; 
  opacity: 0.7; 
  color: #a09888;
  line-height: 1.7;
}

.faq-item.open .faq-answer { 
  display: block; 
}

/* CTA横幅 */
.cta-banner { 
  padding: 72px 24px; 
  text-align: center; 
  border-radius: 20px; 
  color: #0a0a0a; 
  background: linear-gradient(135deg, #ff3e6c, #ff8a5c);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1), transparent);
  pointer-events: none;
}

.cta-banner h2 { 
  color: #0a0a0a; 
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.cta-banner .btn-primary { 
  background: #0a0a0a; 
  color: #ff3e6c;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

/* 页脚 */
.site-footer { 
  padding: 72px 0 36px; 
  background: #050505;
  border-top: 1px solid rgba(255, 62, 108, 0.1);
}

.site-footer .container { }

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

.footer-brand { }

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

.footer-col { }

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #ff8a5c;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: #a09888;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: #ff3e6c;
}

.footer-bottom { 
  border-top: 1px solid rgba(255, 255, 255, 0.05); 
  margin-top: 48px; 
  padding-top: 24px; 
  text-align: center; 
  font-size: 0.85rem; 
  color: #605848;
}

/* 工具类 */
.text-accent { 
  color: #ff3e6c; 
}

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

.seo-description { 
  max-width: 600px; 
  margin: 0 auto 48px; 
  opacity: 0.6; 
  color: #a09888;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ⚠️ 响应式 */
@media (max-width: 1024px) {
  .hero h1 { font-size: 3.2rem; }
  .section-title { font-size: 2.2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .hero { min-height: 60vh; }
  .hero h1 { font-size: 2.6rem; }
  .hero p { font-size: 1rem; }
  .hero-buttons { flex-direction: column; align-items: flex-start; }
  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .main-nav.open { 
    display: flex; 
    flex-direction: column; 
    position: absolute; 
    top: 72px; 
    left: 0; 
    width: 100%; 
    background: rgba(10, 10, 10, 0.98); 
    padding: 24px; 
    gap: 16px;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 62, 108, 0.2);
  }
  .section { padding: 60px 0; }
  .cta-banner { padding: 48px 20px; }
  .cta-banner h2 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; letter-spacing: -1px; }
  .hero-eyebrow { font-size: 0.65rem; }
  .section-title { font-size: 1.8rem; }
  .cards-grid, .content-wall, .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: center; }
  .stat-number { font-size: 2.2rem; }
  .hero { min-height: 50vh; }
}