/* ============================================
   多多28 - 幸运糖果视觉系统
   Lucky Candy Design System
   ============================================ */

*, *::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:#FFF8EF;
  color:#3A2E4D;
  line-height:1.6;
}

::selection { background:#FFD166; color:#3A2E4D; }

/* ============ 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:
    radial-gradient(circle at 90% 10%, rgba(184,169,240,0.12), transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(255,107,157,0.1), transparent 40%),
    #FFFCF6;
}

/* ============ 导航 ============ */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(255,248,239,0.85);
  backdrop-filter:blur(14px);
  border-bottom:2px dashed #FFC8DD;
}

.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:900; font-size:1.35rem;
  text-decoration:none; color:#3A2E4D;
  letter-spacing:-0.5px;
}

.logo-icon {
  width:38px; height:38px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; font-weight:900;
  background:linear-gradient(135deg,#FF6B9D,#FFC93C);
  color:#fff;
  box-shadow:0 4px 0 rgba(58,46,77,0.15);
  transform:rotate(-6deg);
}

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

.main-nav a {
  text-decoration:none; font-size:0.92rem; font-weight:700;
  color:#3A2E4D; transition:0.25s; position:relative;
}
.main-nav a::after {
  content:''; position:absolute; left:0; bottom:-6px;
  width:0; height:3px; border-radius:2px;
  background:linear-gradient(90deg,#FF6B9D,#4ECDC4);
  transition:0.3s;
}
.main-nav a:hover { color:#FF6B9D; }
.main-nav a:hover::after { width:100%; }

.nav-cta {
  padding:10px 24px; border-radius:50px;
  color:#fff!important; font-weight:800;
  background:linear-gradient(135deg,#FF6B9D,#FF9F6B);
  box-shadow:0 4px 14px rgba(255,107,157,0.4);
}
.nav-cta::after { display:none; }
.nav-cta:hover { transform:translateY(-2px); }

.menu-toggle {
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer;
}
.menu-toggle span { width:26px; height:3px; background:#3A2E4D; border-radius:2px; }

/* ============ Hero ============ */
.hero {
  min-height:78vh; display:flex; align-items:center;
  padding-top:72px;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(255,201,60,0.25), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(78,205,196,0.2), transparent 50%);
  position:relative;
}

.hero::before {
  content:'✦ ✧ ✦';
  position:absolute; top:15%; right:8%;
  font-size:1.5rem; color:#FFC93C;
  letter-spacing:20px;
}

.hero-content { max-width:720px; }

.hero-eyebrow {
  display:inline-block; font-size:0.85rem; font-weight:800;
  padding:6px 18px; border-radius:50px; margin-bottom:20px;
  background:#3A2E4D; color:#FFD166;
  letter-spacing:1px;
}

.hero h1 {
  font-size:3.4rem; line-height:1.15; margin-bottom:22px;
  font-weight:900; letter-spacing:-1px;
  color:#3A2E4D;
}
.hero h1 em {
  font-style:normal;
  background:linear-gradient(120deg,#FF6B9D,#FFC93C);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

.hero p {
  font-size:1.15rem; opacity:0.75; max-width:560px; margin-bottom:36px;
  font-weight:500;
}

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

.hero-image {
  border-radius:28px; overflow:hidden;
  border:4px solid #fff;
  box-shadow:0 20px 50px rgba(58,46,77,0.15);
  transform:rotate(1.5deg);
}
.hero-image img { width:100%; height:auto; display:block; }

/* ============ 按钮 ============ */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 30px; border-radius:50px; font-weight:800;
  cursor:pointer; border:none; text-decoration:none;
  transition:0.25s; font-size:0.95rem;
}

.btn-primary {
  color:#fff;
  background:linear-gradient(135deg,#FF6B9D,#FF9F6B);
  box-shadow:0 8px 20px rgba(255,107,157,0.4);
}
.btn-primary:hover { transform:translateY(-3px) scale(1.02); box-shadow:0 12px 28px rgba(255,107,157,0.5); }

.btn-outline {
  background:#fff; border:2.5px solid #3A2E4D; color:#3A2E4D;
}
.btn-outline:hover { background:#3A2E4D; color:#fff; transform:translateY(-3px); }

/* ============ 标签/标题 ============ */
.section-label {
  display:inline-block; font-size:0.8rem; font-weight:800;
  letter-spacing:3px; margin-bottom:14px;
  color:#FF6B9D; text-transform:uppercase;
}

.section-title {
  font-size:2.3rem; margin-bottom:16px; font-weight:900;
  color:#3A2E4D; letter-spacing:-0.5px;
}

.section-desc { max-width:600px; opacity:0.7; margin-bottom:44px; font-size:1.05rem; }

/* ============ 卡片网格 ============ */
.cards-grid {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:26px;
}

.category-card {
  border-radius:20px; padding:32px;
  border:2px solid #FFE1EC;
  background:#fff;
  transition:0.3s;
  position:relative;
}
.category-card:hover {
  transform:translateY(-6px) rotate(-1deg);
  box-shadow:0 16px 32px rgba(255,107,157,0.18);
  border-color:#FF6B9D;
}

.card-icon {
  width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; font-size:1.4rem;
  background:linear-gradient(135deg,#4ECDC4,#B8A9F0);
  color:#fff;
}

.card-link {
  font-weight:800; font-size:0.85rem; text-decoration:none;
  color:#FF6B9D;
}

/* ============ 特性块 ============ */
.feature-block {
  display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;
}

.feature-image {
  border-radius:24px; overflow:hidden;
  border:4px solid #fff;
  box-shadow:0 16px 40px rgba(58,46,77,0.12);
}
.feature-image img { width:100%; height:auto; display:block; }

.feature-list { list-style:none; }
.feature-list li {
  padding:10px 0; display:flex; align-items:center; gap:10px;
  font-weight:600; font-size:1.02rem;
}
.feature-list li::before {
  content:'✓'; font-weight:900;
  width:26px; height:26px; border-radius:50%;
  background:linear-gradient(135deg,#4ECDC4,#3ABAAF);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-size:0.8rem; flex-shrink:0;
}

/* ============ 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:20px;
  border:2px dashed #FFC8DD;
  background:#fff;
}

.stat-number {
  font-size:2.4rem; font-weight:900;
  background:linear-gradient(135deg,#FF6B9D,#FFC93C);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

.stat-label { font-size:0.9rem; opacity:0.65; margin-top:8px; font-weight:600; }

/* ============ 内容墙 ============ */
.content-wall {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:26px;
}

.content-wall-item {
  border-radius:20px; overflow:hidden;
  border:2px solid #FFE1EC; background:#fff;
  transition:0.3s;
}
.content-wall-item:hover {
  transform:translateY(-6px);
  box-shadow:0 16px 32px rgba(255,107,157,0.18);
}
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; }
.content-wall-body { padding:22px; }

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

.faq-item {
  border:2px solid #FFE1EC; border-radius:16px; margin-bottom:12px;
  overflow:hidden; cursor:pointer; background:#fff;
  transition:0.25s;
}
.faq-item:hover { border-color:#FF6B9D; }

.faq-item .faq-question {
  padding:20px 24px; font-weight:800; display:flex; justify-content:space-between;
  color:#3A2E4D;
}

.faq-item .faq-answer {
  padding:0 24px 20px; display:none; opacity:0.7; font-size:0.95rem;
}
.faq-item.open .faq-answer { display:block; }
.faq-item.open { border-color:#FF6B9D; }

/* ============ CTA横幅 ============ */
.cta-banner {
  padding:64px 32px; text-align:center; border-radius:28px; color:#fff;
  background:linear-gradient(135deg,#FF6B9D 0%,#FFC93C 100%);
  position:relative; overflow:hidden;
}
.cta-banner::before {
  content:'🍀';
  position:absolute; font-size:8rem; opacity:0.15;
  top:-20px; right:-10px; transform:rotate(15deg);
}
.cta-banner h2 { color:#fff; }
.cta-banner .btn-primary {
  background:#fff; color:#FF6B9D;
  box-shadow:0 8px 20px rgba(0,0,0,0.15);
}
.cta-banner .btn-primary:hover { color:#FF9F6B; }

/* ============ 页脚 ============ */
.site-footer {
  padding:64px 0 28px;
  background:#3A2E4D;
  color:rgba(255,255,255,0.85);
  margin-top:40px;
}

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

.footer-brand { }
.footer-brand .logo { color:#fff; }

.footer-col h4 { color:#FFD166; margin-bottom:16px; font-size:1rem; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:10px; }
.footer-col a { color:rgba(255,255,255,0.7); text-decoration:none; font-size:0.9rem; transition:0.2s; }
.footer-col a:hover { color:#FF9F6B; }

.footer-bottom {
  border-top:1px solid rgba(255,255,255,0.15);
  margin-top:40px; padding-top:22px; text-align:center; font-size:0.85rem;
  opacity:0.6;
}

/* ============ 工具类 ============ */
.text-accent { color:#FF6B9D; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; text-align:center; }
.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:#FFF8EF; padding:24px;
    border-bottom:2px dashed #FFC8DD;
  }
  .hero h1 { font-size:2.4rem; }
}

@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:2rem; }
  .section-title { font-size:1.8rem; }
}