/* ==========================================
   禁漫天 · 浮光琉璃设计系统
   风格：半透明玻璃态 + 渐变流体 + 柔和光感
   主色：雾紫 (#8B7EC8) + 珊瑚粉 (#FF8B7E) + 冰川蓝 (#7EC8E3)
   背景：米白渐变 (#FFF8F5 → #F5F0FF)
   ========================================== */

*, *::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: linear-gradient(135deg, #FFF8F5 0%, #F5F0FF 50%, #F0F8FF 100%);
  color: #2D2B3A;
  line-height: 1.6;
}

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

.section { padding:80px 0; position: relative; }
.section:nth-child(even) { 
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(139, 126, 200, 0.1);
  border-bottom: 1px solid rgba(139, 126, 200, 0.1);
}

/* 导航 — 磨砂玻璃效果 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 248, 245, 0.78);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid rgba(139, 126, 200, 0.15);
  box-shadow: 0 4px 30px rgba(139, 126, 200, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: #2D2B3A;
  letter-spacing: 2px;
}

.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, #8B7EC8, #FF8B7E);
  color: #fff;
  box-shadow: 0 4px 12px rgba(139, 126, 200, 0.3);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #4A4568;
  transition: 0.3s ease;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #8B7EC8, #FF8B7E);
  transition: width 0.3s ease;
}

.main-nav a:hover { color: #8B7EC8; }
.main-nav a:hover::after { width: 100%; }

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 50px !important;
  color: #fff !important;
  font-weight: 600 !important;
  background: linear-gradient(135deg, #8B7EC8, #FF8B7E) !important;
  box-shadow: 0 4px 16px rgba(139, 126, 200, 0.25);
  transition: 0.3s ease !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(139, 126, 200, 0.35); }

.menu-toggle { display: none; }

/* 首页Hero — 流体渐变背景 */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 20% 50%, rgba(139, 126, 200, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(255, 139, 126, 0.08) 0%, transparent 50%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(126, 200, 227, 0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content { max-width: 720px; position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(139, 126, 200, 0.12), rgba(255, 139, 126, 0.12));
  color: #6B5F9E;
  border: 1px solid rgba(139, 126, 200, 0.15);
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  background: linear-gradient(135deg, #2D2B3A 30%, #8B7EC8 70%, #FF8B7E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: #5A5778;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: 0.3s ease;
  font-size: 0.95rem;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #8B7EC8, #FF8B7E);
  box-shadow: 0 4px 20px rgba(139, 126, 200, 0.25);
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(139, 126, 200, 0.35); }

.btn-outline {
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(139, 126, 200, 0.3);
  color: #4A4568;
}

.btn-outline:hover { background: rgba(139, 126, 200, 0.08); border-color: #8B7EC8; }

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: #8B7EC8;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #2D2B3A;
}

.section-desc {
  max-width: 600px;
  color: #6B6588;
  margin-bottom: 48px;
  line-height: 1.7;
}

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

.category-card {
  border-radius: 16px;
  padding: 32px 28px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(139, 126, 200, 0.12);
  transition: 0.3s ease;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #8B7EC8, #FF8B7E, #7EC8E3);
  opacity: 0;
  transition: 0.3s ease;
}

.category-card:hover { 
  transform: translateY(-6px); 
  box-shadow: 0 12px 40px rgba(139, 126, 200, 0.12);
  background: rgba(255,255,255,0.8);
  border-color: rgba(139, 126, 200, 0.2);
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(139, 126, 200, 0.12), rgba(255, 139, 126, 0.12));
  border: 1px solid rgba(139, 126, 200, 0.1);
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #8B7EC8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: 0.2s;
}

.card-link:hover { gap: 10px; color: #FF8B7E; }

/* 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 8px 32px rgba(139, 126, 200, 0.1);
  border: 1px solid rgba(139, 126, 200, 0.08);
}

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

.feature-text { }

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: #4A4568;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: #8B7EC8;
  font-size: 1.1rem;
}

/* 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;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(139, 126, 200, 0.1);
  transition: 0.3s ease;
}

.stat-item:hover {
  background: rgba(255,255,255,0.7);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(139, 126, 200, 0.08);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #8B7EC8, #FF8B7E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: #6B6588;
  margin-top: 8px;
}

/* 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;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(139, 126, 200, 0.1);
  transition: 0.3s ease;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(139, 126, 200, 0.12);
  background: rgba(255,255,255,0.8);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: 1px solid rgba(139, 126, 200, 0.06);
}

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

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

.faq-item {
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(139, 126, 200, 0.1);
  transition: 0.3s ease;
}

.faq-item:hover { background: rgba(255,255,255,0.6); border-color: rgba(139, 126, 200, 0.2); }

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2D2B3A;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: #8B7EC8;
  transition: 0.3s ease;
}

.faq-item.open .faq-question::after { content: '−'; }

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: #5A5778;
  line-height: 1.7;
}

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

/* CTA横幅 */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: 20px;
  background: linear-gradient(135deg, #8B7EC8, #FF8B7E, #7EC8E3);
  box-shadow: 0 12px 48px rgba(139, 126, 200, 0.2);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 28px; }

.cta-banner .btn-primary {
  background: #fff;
  color: #8B7EC8;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.cta-banner .btn-primary:hover { background: #f5f0ff; }

/* 页脚 */
.site-footer {
  padding: 60px 0 28px;
  background: rgba(45, 43, 58, 0.95);
  backdrop-filter: blur(12px);
  color: rgba(255,255,255,0.7);
  border-top: 1px solid rgba(139, 126, 200, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand h3 { color: #fff; font-size: 1.2rem; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; }

.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,0.6); text-decoration: none; transition: 0.2s; font-size: 0.9rem; }
.footer-col ul li a:hover { color: #FF8B7E; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* 工具类 */
.text-accent { color: #8B7EC8; }
.text-center { text-align: center; }
.seo-description { max-width: 600px; margin: 0 auto 48px; color: #6B6588; line-height: 1.7; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .main-nav { display: none; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; cursor: pointer; }
  .menu-toggle span { display: block; width: 20px; height: 2px; background: #2D2B3A; position: relative; }
  .menu-toggle span::before, .menu-toggle span::after { content: ''; position: absolute; width: 100%; height: 100%; background: #2D2B3A; left: 0; }
  .menu-toggle span::before { top: -6px; }
  .menu-toggle span::after { top: 6px; }
  .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; width: 100%; background: rgba(255,248,245,0.95); backdrop-filter: blur(16px); padding: 24px; border-bottom: 1px solid rgba(139,126,200,0.1); gap: 16px; }
  .hero h1 { font-size: 2.2rem; }
  .section-title { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .hero h1 { font-size: 1.8rem; }
  .hero { min-height: 60vh; }
}