/* 缘之空动漫 - 秋色之空樱花主题 */
/* 独特风格：手绘水彩+和风纸质感，浅米色背景，樱花粉+抹茶绿+淡紫 */

*, *::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: #faf6f0;
  color: #3a2e2a;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(255, 200, 200, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(180, 220, 180, 0.08) 0%, transparent 50%);
}

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#f5eee6; }

/* 和风纸纹背景 */
.section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23d4c5b0' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

/* 导航 - 半透明和纸效果 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(250, 246, 240, 0.92); 
  backdrop-filter:blur(12px);
  border-bottom:2px solid #e8d5c4;
}
.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:700; font-size:1.3rem; 
  text-decoration:none; color:#3a2e2a;
  font-family: 'Noto Serif SC', 'PingFang SC', serif;
  letter-spacing: 2px;
}
.logo-icon { 
  width:40px; height:40px; border-radius:50%; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.2rem;
  background: linear-gradient(135deg, #f8c8d8, #a8d8b8);
  color: #fff;
  box-shadow: 0 2px 8px rgba(248, 200, 216, 0.4);
}

.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:500; 
  transition:0.3s; color: #5a4a3a;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #f8c8d8, #a8d8b8);
  transition: 0.3s;
  transform: translateX(-50%);
}
.main-nav a:hover::after { width: 100%; }
.main-nav a:hover { color: #d48a9a; }

.nav-cta { 
  padding:10px 24px; border-radius:50px; 
  color:#fff!important; font-weight:600;
  background: linear-gradient(135deg, #f8c8d8, #a8d8b8);
  box-shadow: 0 4px 12px rgba(248, 200, 216, 0.3);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(248, 200, 216, 0.4); }

.menu-toggle { display:none; cursor:pointer; font-size:1.5rem; color:#5a4a3a; }

/* Hero - 樱花飘落效果 */
.hero { 
  min-height:75vh; display:flex; align-items:center; 
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #faf6f0 0%, #f5eee6 50%, #efe6dc 100%);
}
.hero::before {
  content: '🌸 🌸 🌸 🌸 🌸';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  font-size: 3rem;
  letter-spacing: 6rem;
  opacity: 0.06;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transform: rotate(-15deg) scale(1.5);
}

.hero-content { max-width:720px; position: relative; z-index: 1; }
.hero-eyebrow { 
  display:inline-block; font-size:0.8rem; font-weight:600; 
  padding:6px 18px; border-radius:50px; margin-bottom:20px;
  background: linear-gradient(135deg, rgba(248, 200, 216, 0.3), rgba(168, 216, 184, 0.3));
  color: #7a5a4a;
  border: 1px solid rgba(248, 200, 216, 0.3);
  letter-spacing: 3px;
}
.hero h1 { 
  font-size:3.2rem; line-height:1.2; margin-bottom:20px; 
  font-family: 'Noto Serif SC', 'PingFang SC', serif;
  color: #3a2e2a;
  text-shadow: 0 2px 4px rgba(0,0,0,0.02);
}
.hero h1 span { 
  background: linear-gradient(135deg, #d48a9a, #7ab89a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { 
  font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:32px;
  color: #6a5a4a;
  line-height: 1.8;
}
.hero-buttons { display:flex; gap:14px; }

.hero-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  border: 2px solid rgba(255,255,255,0.5);
  position: relative;
}
.hero-image::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(248, 200, 216, 0.1), rgba(168, 216, 184, 0.1));
  pointer-events: none;
}
.hero-image img { width:100%; height:auto; display: block; }

/* 按钮 - 和风渐变 */
.btn { 
  display:inline-flex; align-items:center; gap:8px; 
  padding:14px 32px; border-radius:50px; 
  font-weight:600; cursor:pointer; border:none; 
  text-decoration:none; transition:0.3s;
  font-size: 0.95rem;
  letter-spacing: 1px;
}
.btn-primary { 
  color:#fff; 
  background: linear-gradient(135deg, #f8c8d8, #a8d8b8);
  box-shadow: 0 4px 16px rgba(248, 200, 216, 0.3);
}
.btn-primary:hover { 
  transform: translateY(-3px); 
  box-shadow: 0 8px 24px rgba(248, 200, 216, 0.4);
}
.btn-outline { 
  background:transparent; border:2px solid #d4c5b0;
  color: #5a4a3a;
}
.btn-outline:hover { 
  border-color: #f8c8d8;
  background: rgba(248, 200, 216, 0.05);
  transform: translateY(-3px);
}

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.75rem; font-weight:600; 
  letter-spacing:4px; margin-bottom:12px;
  color: #b08a7a;
  text-transform: uppercase;
}
.section-title { 
  font-size:2rem; margin-bottom:14px; 
  font-family: 'Noto Serif SC', 'PingFang SC', serif;
  color: #3a2e2a;
}
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color: #6a5a4a; line-height: 1.8; }

/* 卡片网格 - 和纸卡片 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { 
  border-radius:16px; padding:32px; 
  border:1px solid #e8d5c4; 
  transition:0.3s;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, #f8c8d8, #a8d8b8);
  opacity: 0;
  transition: 0.3s;
}
.category-card:hover { 
  transform:translateY(-5px); 
  box-shadow:0 8px 24px rgba(0,0,0,0.06);
  border-color: #f8c8d8;
}
.category-card:hover::before { opacity: 1; }

.card-icon { 
  width:52px; height:52px; border-radius:50%; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.4rem;
  background: linear-gradient(135deg, #fce8ee, #e8f5ec);
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none;
  color: #d48a9a;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link:hover { color: #7ab89a; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.feature-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  border: 2px solid rgba(255,255,255,0.5);
}
.feature-image img { width:100%; height:auto; display: block; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { 
  padding:8px 0; display:flex; align-items:center; gap:10px;
  color: #5a4a3a;
}
.feature-list li::before { 
  content:'🌸'; 
  font-weight:700; 
  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:28px; border-radius:16px; 
  border:1px solid #e8d5c4;
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
}
.stat-number { 
  font-size:2.4rem; font-weight:800; 
  background: linear-gradient(135deg, #d48a9a, #7ab89a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:6px; color: #6a5a4a; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.content-wall-item { 
  border-radius:16px; overflow:hidden; 
  border:1px solid #e8d5c4; 
  transition:0.3s;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
}
.content-wall-item:hover { 
  transform:translateY(-5px); 
  box-shadow:0 8px 24px rgba(0,0,0,0.06);
  border-color: #f8c8d8;
}
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:24px; }
.content-wall-body h3 { font-family: 'Noto Serif SC', 'PingFang SC', serif; margin-bottom: 8px; color: #3a2e2a; }
.content-wall-body p { font-size: 0.9rem; opacity: 0.7; color: #6a5a4a; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid #e8d5c4; 
  border-radius:12px; 
  margin-bottom:10px; 
  overflow:hidden; 
  cursor:pointer;
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
  transition: 0.3s;
}
.faq-item:hover { border-color: #f8c8d8; }
.faq-item .faq-question { 
  padding:18px 24px; font-weight:600; 
  display:flex; justify-content:space-between;
  color: #3a2e2a;
  font-family: 'Noto Serif SC', 'PingFang SC', serif;
}
.faq-item .faq-question::after {
  content: '🌸';
  font-size: 0.9rem;
  transition: 0.3s;
}
.faq-item.open .faq-question::after { transform: rotate(180deg); }
.faq-item .faq-answer { 
  padding:0 24px 18px; display:none; 
  opacity:0.7; color: #6a5a4a;
  line-height: 1.8;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:64px 24px; text-align:center; border-radius:20px; 
  color:#fff;
  background: linear-gradient(135deg, #f8c8d8, #a8d8b8);
  box-shadow: 0 8px 32px rgba(248, 200, 216, 0.3);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '🌸 🌸 🌸 🌸 🌸';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  font-size: 4rem;
  letter-spacing: 4rem;
  opacity: 0.1;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transform: rotate(-10deg);
}
.cta-banner h2 { 
  color:#fff; 
  font-family: 'Noto Serif SC', 'PingFang SC', serif;
  font-size: 2rem;
  margin-bottom: 16px;
  position: relative;
}
.cta-banner p { color: rgba(255,255,255,0.8); margin-bottom: 24px; position: relative; }
.cta-banner .btn-primary { 
  background:#fff; 
  color: #d48a9a;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.cta-banner .btn-primary:hover { 
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* 页脚 */
.site-footer { 
  padding:64px 0 28px; 
  background: #3a2e2a;
  color: #d4c5b0;
}
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo { color: #f5eee6; margin-bottom: 16px; }
.footer-brand p { opacity: 0.6; line-height: 1.8; font-size: 0.9rem; }
.footer-col { }
.footer-col h4 { 
  color: #f5eee6; 
  margin-bottom: 16px; 
  font-family: 'Noto Serif SC', 'PingFang SC', serif;
  font-size: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { 
  color: #b08a7a; 
  text-decoration: none; 
  font-size: 0.9rem;
  transition: 0.3s;
}
.footer-col ul li a:hover { color: #f8c8d8; }

.footer-bottom { 
  border-top:1px solid rgba(255,255,255,0.08); 
  margin-top:40px; padding-top:20px; 
  text-align:center; font-size:0.85rem;
  opacity: 0.5;
}

/* 工具类 */
.text-accent { color: #d48a9a; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .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(250, 246, 240, 0.98);
    backdrop-filter: blur(12px);
    padding:24px;
    gap: 16px;
    border-bottom: 2px solid #e8d5c4;
  }
  .main-nav.open a { padding: 8px 0; }
  .hero h1 { font-size: 2.2rem; }
}
@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; }
  .section-title { font-size: 1.6rem; }
}