/* =============================================
   福利片 - 伊人久久 - 福利片 - 福利一触即达
   Design System: 柔粉流体 + 玻璃态杂志风
   Color Palette: 珊瑚粉 #FF7E7E, 浅薰衣草 #E8D5F5, 奶油白 #FFF8F0
   ============================================= */

*, *::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: #FFF8F0;
  color: #3D2C3E;
  line-height: 1.6;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background: linear-gradient(135deg, #FFF0F5 0%, #F8E8FF 100%); }

/* 导航 */
.site-header {
  position: fixed; top:0; left:0; width:100%; z-index:1000;
  background: rgba(255,248,240,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255,126,126,0.15);
}
.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:1.3rem;
  text-decoration:none; color:#3D2C3E;
  letter-spacing: -0.5px;
}
.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, #FF7E7E, #E8D5F5);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255,126,126,0.3);
}
.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: #5A4A5E; transition: all 0.3s ease;
  position: relative;
}
.main-nav a::after {
  content: ''; position: absolute; bottom:-4px; left:0; width:0; height:2px;
  background: #FF7E7E; border-radius:2px; transition: width 0.3s ease;
}
.main-nav a:hover { color: #FF7E7E; }
.main-nav a:hover::after { width:100%; }
.nav-cta {
  padding:10px 24px; border-radius:50px; color:#fff!important;
  font-weight:600; background: linear-gradient(135deg, #FF7E7E, #E8D5F5);
  box-shadow: 0 4px 15px rgba(255,126,126,0.3);
  transition: all 0.3s ease;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,126,126,0.4); }
.nav-cta::after { display:none!important; }
.menu-toggle { display:none; }

/* 首页Hero */
.hero {
  min-height: 75vh; display:flex; align-items:center;
  background: linear-gradient(135deg, #FFF8F0 0%, #FFE8F0 50%, #F5E6FF 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top:-30%; right:-10%; width:500px; height:500px;
  background: radial-gradient(circle, rgba(255,126,126,0.15) 0%, transparent 70%);
  border-radius:50%; pointer-events:none;
}
.hero::after {
  content: ''; position: absolute; bottom:-20%; left:-5%; width:400px; height:400px;
  background: radial-gradient(circle, rgba(232,213,245,0.2) 0%, 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:700;
  padding:6px 18px; border-radius:50px; margin-bottom:20px;
  background: rgba(255,126,126,0.12);
  color: #FF5E5E; letter-spacing: 1.5px;
  backdrop-filter: blur(4px);
}
.hero h1 {
  font-size:3rem; line-height:1.15; margin-bottom:20px;
  font-weight:800; letter-spacing: -1px;
  background: linear-gradient(135deg, #3D2C3E, #FF7E7E);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size:1.1rem; opacity:0.75; max-width:560px; margin-bottom:36px;
  color: #6A5A6E; line-height: 1.7;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image {
  border-radius:20px; overflow:hidden;
  box-shadow: 0 20px 40px rgba(255,126,126,0.15);
  position: relative;
}
.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:600;
  cursor:pointer; border:none; text-decoration:none;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  font-size:0.95rem;
}
.btn-primary {
  color:#fff;
  background: linear-gradient(135deg, #FF7E7E, #E8D5F5);
  box-shadow: 0 4px 15px rgba(255,126,126,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(255,126,126,0.4); }
.btn-outline {
  background:transparent; border:2px solid #FF7E7E;
  color: #FF5E5E;
}
.btn-outline:hover { background: rgba(255,126,126,0.08); transform: translateY(-2px); }

/* 标签/标题 */
.section-label {
  display:inline-block; font-size:0.75rem; font-weight:700;
  letter-spacing:3px; margin-bottom:14px;
  color: #FF7E7E; text-transform: uppercase;
}
.section-title {
  font-size:2.2rem; margin-bottom:16px;
  font-weight:800; letter-spacing: -0.5px;
  color: #3D2C3E;
}
.section-desc {
  max-width:600px; opacity:0.7; margin-bottom:44px;
  color: #6A5A6E; font-size:1.05rem;
}

/* 卡片网格 */
.cards-grid {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:28px;
}
.category-card {
  border-radius:20px; padding:32px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,126,126,0.12);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 4px 20px rgba(255,126,126,0.06);
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(255,126,126,0.15);
  border-color: rgba(255,126,126,0.25);
  background: rgba(255,255,255,0.9);
}
.card-icon {
  width:52px; height:52px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:20px; font-size:1.5rem;
  background: linear-gradient(135deg, #FFE8F0, #F5E6FF);
  color: #FF7E7E;
}
.card-link {
  font-weight:600; font-size:0.85rem; text-decoration:none;
  color: #FF7E7E; display: inline-flex; align-items:center; gap:6px;
  transition: gap 0.3s ease;
}
.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:20px; overflow:hidden;
  box-shadow: 0 20px 40px rgba(232,213,245,0.2);
}
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-list { list-style:none; margin-top:8px; }
.feature-list li {
  padding:8px 0; display:flex; align-items:center; gap:10px;
  font-size:1rem; color: #4A3A4E;
}
.feature-list li::before {
  content:'✦'; font-weight:700; color: #FF7E7E;
  font-size:1.1rem;
}

/* 数据条 */
.stats-bar {
  display:grid; grid-template-columns:repeat(4,1fr); gap:28px; text-align:center;
}
.stat-item {
  padding:28px 20px; border-radius:20px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,126,126,0.1);
  transition: all 0.3s ease;
}
.stat-item:hover {
  background: rgba(255,255,255,0.85);
  box-shadow: 0 8px 30px rgba(255,126,126,0.1);
  transform: translateY(-2px);
}
.stat-number {
  font-size:2.4rem; font-weight:800;
  background: linear-gradient(135deg, #FF7E7E, #E8D5F5);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height:1.2;
}
.stat-label { font-size:0.85rem; opacity:0.6; margin-top:8px; color: #6A5A6E; }

/* 内容墙 */
.content-wall {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:28px;
}
.content-wall-item {
  border-radius:20px; overflow:hidden;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,126,126,0.1);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(255,126,126,0.15);
  background: rgba(255,255,255,0.9);
}
.content-wall-item img {
  width:100%; height:220px; object-fit:cover;
  transition: transform 0.5s ease;
}
.content-wall-item:hover img { transform: scale(1.03); }
.content-wall-body { padding:24px; }
.content-wall-body h3 { font-size:1.1rem; font-weight:700; margin-bottom:8px; color: #3D2C3E; }
.content-wall-body p { font-size:0.9rem; opacity:0.65; color: #6A5A6E; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item {
  border: 1px solid rgba(255,126,126,0.12);
  border-radius:16px; margin-bottom:12px;
  overflow:hidden; cursor:pointer;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: all 0.3s ease;
}
.faq-item:hover { border-color: rgba(255,126,126,0.25); }
.faq-item .faq-question {
  padding:18px 24px; font-weight:600; font-size:1rem;
  display:flex; justify-content:space-between; align-items:center;
  color: #3D2C3E;
}
.faq-item .faq-question::after {
  content: '+'; font-size:1.4rem; font-weight:300;
  color: #FF7E7E; transition: transform 0.3s ease;
}
.faq-item.open .faq-question::after { content: '−'; transform: rotate(180deg); }
.faq-item .faq-answer {
  padding:0 24px 18px; display:none; opacity:0.75;
  color: #5A4A5E; line-height: 1.7;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner {
  padding:64px 32px; text-align:center; border-radius:24px;
  background: linear-gradient(135deg, #FF7E7E, #E8D5F5);
  color:#fff; box-shadow: 0 20px 40px rgba(255,126,126,0.2);
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; top:-50%; left:-20%; width:400px; height:400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius:50%;
}
.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:16px; position: relative; z-index:1; }
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom:28px; position: relative; z-index:1; }
.cta-banner .btn-primary {
  background:#fff; color: #FF5E5E;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.cta-banner .btn-primary:hover { box-shadow: 0 8px 25px rgba(0,0,0,0.15); transform: translateY(-2px); }

/* 页脚 */
.site-footer {
  padding:64px 0 32px;
  background: linear-gradient(135deg, #3D2C3E, #4A3A4E);
  color: rgba(255,255,255,0.8);
}
.site-footer .container { }
.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px;
}
.footer-brand { }
.footer-brand .logo { color: #fff; }
.footer-brand .logo-icon { background: linear-gradient(135deg, #FF7E7E, #E8D5F5); }
.footer-brand p { margin-top:16px; opacity:0.65; font-size:0.9rem; line-height:1.7; }
.footer-col { }
.footer-col h4 { color:#fff; font-weight:700; margin-bottom:16px; font-size:1rem; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul a { color: rgba(255,255,255,0.6); text-decoration:none; font-size:0.9rem; transition: color 0.3s ease; }
.footer-col ul a:hover { color: #FF7E7E; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top:48px; padding-top:24px; text-align:center;
  font-size:0.85rem; opacity:0.5;
}

/* 工具类 */
.text-accent { color: #FF7E7E; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color: #6A5A6E; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 滚动条美化 */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FFF8F0; }
::-webkit-scrollbar-thumb { background: linear-gradient(135deg, #FF7E7E, #E8D5F5); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #FF5E5E; }

/* 选中文本 */
::selection { background: rgba(255,126,126,0.2); color: #3D2C3E; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .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:32px; }
  .main-nav { display:none; }
  .menu-toggle {
    display:flex; background:none; border:none; font-size:1.5rem;
    cursor:pointer; color: #3D2C3E; padding:8px;
  }
  .main-nav.open {
    display:flex; flex-direction:column; position:absolute; top:72px; left:0;
    width:100%; background: rgba(255,248,240,0.98);
    backdrop-filter: blur(20px);
    padding:24px; gap:20px;
    border-bottom: 1px solid rgba(255,126,126,0.15);
  }
  .hero h1 { font-size:2.2rem; }
  .hero { min-height: 60vh; }
  .section-title { font-size:1.7rem; }
}

@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .hero-buttons { flex-direction:column; gap:12px; }
  .hero h1 { font-size:1.8rem; }
  .hero p { font-size:1rem; }
  .cta-banner { padding:40px 20px; }
  .cta-banner h2 { font-size:1.5rem; }
}