/* ============================================
   haijiao-no.com.cn — 海角天涯，创意无界
   风格：柔光杂志风 · 珊瑚粉 × 雾霾蓝 · 圆润层叠
   ============================================ */

/* 基础重置 */
*, *::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: #fdf6f0; /* 暖白基底 */
  color: #2d2d2d;
}

/* 核心布局 — 必须居中 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#f4ede7; } /* 浅米色交替 */

/* 导航 — 固定顶部 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(253,246,240,0.92); 
  backdrop-filter:blur(12px); 
  border-bottom:1px solid rgba(200,180,170,0.3); 
}
.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:8px; 
  font-weight:700; font-size:1.3rem; text-decoration:none; 
  color:#c07a6b; 
}
.logo-icon { 
  width:36px; height:36px; border-radius:50%; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1rem; 
  background: #c07a6b; 
  color:#fff; 
}
.main-nav { display:flex; align-items:center; gap:24px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:500; 
  color:#5a4a44; transition:0.2s; 
  padding:6px 0; border-bottom:2px solid transparent;
}
.main-nav a:hover { border-bottom-color:#c07a6b; color:#c07a6b; }
.nav-cta { 
  padding:8px 22px; border-radius:30px; 
  background: #c07a6b; color:#fff!important; font-weight:600; 
  border-bottom:none!important; 
}
.nav-cta:hover { background:#a86556; transform:scale(1.02); }
.menu-toggle { display:none; }

/* 首页Hero */
.hero { 
  min-height:70vh; display:flex; align-items:center; 
  background: linear-gradient(135deg, #fdf6f0 0%, #e8dad4 100%);
  position:relative; overflow:hidden;
}
.hero::before {
  content: '';
  position:absolute; top:-40%; right:-20%; width:600px; height:600px;
  background: radial-gradient(circle, rgba(192,122,107,0.15) 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:0.85rem; font-weight:600; 
  padding:4px 18px; border-radius:30px; margin-bottom:16px; 
  background: #c07a6b; color:#fff; letter-spacing:1px;
}
.hero h1 { 
  font-size:2.8rem; line-height:1.2; margin-bottom:20px; 
  color:#2d2d2d; font-weight:800;
}
.hero p { font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:32px; color:#5a4a44; }
.hero-buttons { display:flex; gap:14px; }
.hero-image { border-radius:20px; overflow:hidden; box-shadow:0 20px 40px rgba(192,122,107,0.15); }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 */
.btn { 
  display:inline-flex; align-items:center; gap:8px; 
  padding:12px 30px; border-radius:30px; 
  font-weight:600; cursor:pointer; border:none; text-decoration:none; 
  transition:0.3s; letter-spacing:0.3px;
}
.btn-primary { 
  background: #c07a6b; color:#fff; 
  box-shadow:0 4px 12px rgba(192,122,107,0.3);
}
.btn-primary:hover { background:#a86556; transform:translateY(-2px); }
.btn-outline { 
  background:transparent; border:1.5px solid #c07a6b; 
  color:#c07a6b; 
}
.btn-outline:hover { background:#c07a6b; color:#fff; }

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.8rem; font-weight:600; 
  letter-spacing:3px; margin-bottom:12px; 
  color:#c07a6b; text-transform:uppercase;
}
.section-title { 
  font-size:2rem; margin-bottom:14px; 
  color:#2d2d2d; font-weight:800;
}
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color:#5a4a44; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:24px; }
.category-card { 
  border-radius:20px; padding:28px; 
  background:#fff; 
  border:1px solid rgba(200,180,170,0.3); 
  transition:0.3s; 
  box-shadow:0 4px 12px rgba(192,122,107,0.05);
}
.category-card:hover { 
  transform:translateY(-6px); 
  box-shadow:0 12px 28px rgba(192,122,107,0.15); 
  border-color:#c07a6b; 
}
.card-icon { 
  width:48px; height:48px; border-radius:16px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:16px; font-size:1.3rem; 
  background:#f4ede7; color:#c07a6b;
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none; 
  color:#c07a6b; display:inline-flex; align-items:center; gap:4px;
}
.card-link::after { content:'→'; transition:0.2s; }
.card-link:hover::after { transform:translateX(4px); }

/* 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 12px 24px rgba(0,0,0,0.06); }
.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:#5a4a44; }
.feature-list li::before { 
  content:'✓'; font-weight:700; 
  color:#c07a6b; background:#f4ede7; 
  width:24px; height:24px; border-radius:50%; 
  display:flex; align-items:center; justify-content:center;
  font-size:0.8rem;
}

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { 
  padding:24px; border-radius:20px; 
  background:#fff; 
  border:1px solid rgba(200,180,170,0.3); 
  box-shadow:0 4px 12px rgba(192,122,107,0.05);
}
.stat-number { font-size:2.2rem; font-weight:800; color:#c07a6b; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:6px; color:#5a4a44; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.content-wall-item { 
  border-radius:20px; overflow:hidden; 
  background:#fff; 
  border:1px solid rgba(200,180,170,0.3); 
  transition:0.3s; 
  box-shadow:0 4px 12px rgba(192,122,107,0.05);
}
.content-wall-item:hover { 
  transform:translateY(-6px); 
  box-shadow:0 12px 28px rgba(192,122,107,0.15); 
}
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:20px; }
.content-wall-body h3 { color:#2d2d2d; margin-bottom:6px; }
.content-wall-body p { color:#5a4a44; font-size:0.9rem; opacity:0.7; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid rgba(200,180,170,0.3); 
  border-radius:16px; margin-bottom:8px; 
  overflow:hidden; cursor:pointer; 
  background:#fff; transition:0.2s;
}
.faq-item:hover { border-color:#c07a6b; }
.faq-item .faq-question { 
  padding:16px 20px; font-weight:600; 
  display:flex; justify-content:space-between; 
  color:#2d2d2d; 
}
.faq-item .faq-question::after { 
  content:'+'; font-size:1.2rem; color:#c07a6b; 
  transition:0.3s;
}
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { 
  padding:0 20px 16px; display:none; 
  opacity:0.7; color:#5a4a44; line-height:1.6;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:56px 24px; text-align:center; 
  border-radius:24px; 
  background: linear-gradient(135deg, #c07a6b 0%, #a86556 100%);
  color:#fff; 
  box-shadow:0 16px 32px rgba(192,122,107,0.3);
}
.cta-banner h2 { color:#fff; font-size:2rem; margin-bottom:12px; }
.cta-banner p { color:rgba(255,255,255,0.85); margin-bottom:24px; }
.cta-banner .btn-primary { 
  background:#fff; color:#c07a6b; 
  box-shadow:0 4px 12px rgba(0,0,0,0.1);
}
.cta-banner .btn-primary:hover { background:#f4ede7; }

/* 页脚 */
.site-footer { 
  padding:56px 0 28px; 
  background:#2d2d2d; color:rgba(255,255,255,0.7);
}
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo { color:#fff; }
.footer-col { }
.footer-col h4 { color:#fff; margin-bottom:12px; font-weight:600; }
.footer-col a { 
  display:block; color:rgba(255,255,255,0.6); 
  text-decoration:none; padding:4px 0; transition:0.2s;
}
.footer-col a:hover { color:#c07a6b; }
.footer-bottom { 
  border-top:1px solid rgba(255,255,255,0.1); 
  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:#c07a6b; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#5a4a44; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:32px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; background:none; border:none; font-size:1.5rem; cursor:pointer; color:#c07a6b; }
  .main-nav.open { 
    display:flex; flex-direction:column; 
    position:absolute; top:68px; left:0; width:100%; 
    background:#fdf6f0; padding:20px; 
    border-bottom:1px solid rgba(200,180,170,0.3);
  }
  .hero h1 { font-size: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:1.6rem; }
}