/* ============================================
   BLACK MATERIAL DAILY — 黑料大赛
   Visual Identity: "Paper Cutout & Layered Collage"
   Palette: Soft coral + pale mint + warm sand
   No dark backgrounds, no standard templates.
   ============================================ */

/* 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: #fdf7f2; /* warm sand base */
  color: #3a2e2a;
}

/* 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: #f0f7f2; } /* pale mint */

/* 导航 — 固定顶部，纸片层叠效果 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background: rgba(253,247,242,0.92); 
  backdrop-filter:blur(10px); 
  border-bottom: 3px solid #f0c9c0;
  box-shadow: 0 4px 0 #e8d5c4;
}
.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:800; font-size:1.3rem; text-decoration:none; color:#3a2e2a; 
  letter-spacing: -0.5px;
  text-shadow: 2px 2px 0 #f0c9c0;
}
.logo-icon { 
  width:36px; height:36px; border-radius: 50%; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1rem; background: #f0c9c0; color:#3a2e2a;
  box-shadow: 2px 2px 0 #dbb8a8;
}
.main-nav { display:flex; align-items:center; gap:24px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:600; 
  transition:0.2s; color:#3a2e2a;
  padding: 4px 8px;
  border-radius: 4px;
  background: transparent;
}
.main-nav a:hover { 
  background: #f0c9c0; 
  box-shadow: 2px 2px 0 #dbb8a8;
  transform: translate(-1px, -1px);
}
.nav-cta { 
  padding:8px 20px; border-radius: 4px; 
  color:#3a2e2a!important; font-weight:700; 
  background: #c4dcc8; /* mint */
  box-shadow: 3px 3px 0 #a8c4ae;
  border: none;
}
.nav-cta:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 #a8c4ae; }
.menu-toggle { display:none; }

/* 首页Hero — 拼贴剪报风格 */
.hero { 
  min-height:70vh; display:flex; align-items:center; 
  position: relative;
  padding-top: 68px;
  background: 
    linear-gradient(135deg, #fdf7f2 0%, #f0f7f2 100%);
}
.hero::before {
  content: '';
  position: absolute;
  top: 20px; left: 20px;
  width: 120px; height: 120px;
  background: #f0c9c0;
  border-radius: 60% 40% 70% 30% / 50% 60% 40% 50%;
  opacity: 0.3;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 30px; right: 30px;
  width: 200px; height: 200px;
  background: #c4dcc8;
  border-radius: 40% 60% 30% 70% / 60% 30% 70% 40%;
  opacity: 0.2;
  z-index: 0;
}
.hero-content { max-width:720px; position: relative; z-index: 1; }
.hero-eyebrow { 
  display:inline-block; font-size:0.85rem; font-weight:700; 
  padding:6px 18px; border-radius: 0; 
  margin-bottom:16px; 
  background: #e8d5c4;
  color: #3a2e2a;
  text-transform: uppercase;
  letter-spacing: 2px;
  box-shadow: 3px 3px 0 #dbb8a8;
}
.hero h1 { 
  font-size:3.2rem; line-height:1.1; margin-bottom:20px; 
  font-weight: 900;
  letter-spacing: -1px;
  text-shadow: 3px 3px 0 #f0c9c0;
  color: #2d2420;
}
.hero p { 
  font-size:1.1rem; opacity:0.8; max-width:560px; margin-bottom:32px; 
  background: rgba(255,255,255,0.5);
  padding: 12px 16px;
  border-left: 4px solid #c4dcc8;
}
.hero-buttons { display:flex; gap:14px; }
.hero-image { 
  border-radius: 0; overflow:hidden; 
  box-shadow: 6px 6px 0 #dbb8a8;
  border: 2px solid #3a2e2a;
}
.hero-image img { width:100%; height:auto; display: block; }

/* 按钮 — 粗剪报风格 */
.btn { 
  display:inline-flex; align-items:center; gap:8px; 
  padding:12px 28px; border-radius: 0; 
  font-weight:700; cursor:pointer; border: 2px solid #3a2e2a; 
  text-decoration:none; transition:0.15s; 
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.btn-primary { 
  color:#fdf7f2; background:#3a2e2a; 
  box-shadow: 4px 4px 0 #dbb8a8;
}
.btn-primary:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 #dbb8a8; }
.btn-outline { 
  background:transparent; border:2px solid #3a2e2a; 
  color:#3a2e2a;
  box-shadow: 4px 4px 0 #f0c9c0;
}
.btn-outline:hover { background:#f0c9c0; transform: translate(-2px, -2px); }

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.75rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:12px; 
  text-transform: uppercase;
  background: #c4dcc8;
  padding: 4px 12px;
  box-shadow: 2px 2px 0 #a8c4ae;
}
.section-title { 
  font-size:2.4rem; margin-bottom:14px; font-weight:900; 
  letter-spacing: -0.5px;
  text-shadow: 2px 2px 0 #f0c9c0;
}
.section-desc { max-width:600px; opacity:0.8; margin-bottom:40px; font-size:1.05rem; }

/* 卡片网格 — 纸片层叠 */
.cards-grid { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; 
}
.category-card { 
  border-radius: 0; padding:28px; 
  border: 2px solid #3a2e2a; 
  background: #fffcf8;
  transition:0.2s; 
  box-shadow: 4px 4px 0 #dbb8a8;
  position: relative;
}
.category-card::after {
  content: '';
  position: absolute;
  bottom: -8px; right: -8px;
  width: 100%; height: 100%;
  background: #c4dcc8;
  z-index: -1;
  border: 2px solid #3a2e2a;
}
.category-card:hover { 
  transform:translate(-2px, -2px); 
  box-shadow: 6px 6px 0 #dbb8a8;
}
.card-icon { 
  width:48px; height:48px; border-radius: 0; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:16px; font-size:1.5rem; 
  background: #f0c9c0;
  border: 2px solid #3a2e2a;
  box-shadow: 2px 2px 0 #dbb8a8;
}
.card-link { 
  font-weight:700; font-size:0.85rem; text-decoration:none; 
  color: #3a2e2a;
  border-bottom: 2px solid #c4dcc8;
  padding-bottom: 2px;
}
.card-link:hover { border-bottom-color: #f0c9c0; }

/* 特性块 — 错位拼贴 */
.feature-block { 
  display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; 
}
.feature-image { 
  border-radius: 0; overflow:hidden; 
  border: 2px solid #3a2e2a;
  box-shadow: 6px 6px 0 #f0c9c0;
  transform: rotate(-1deg);
}
.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; 
  font-weight: 500;
}
.feature-list li::before { 
  content:'✂'; font-weight:700; 
  background: #c4dcc8;
  padding: 2px 6px;
  border: 1px solid #3a2e2a;
}

/* 数据条 — 剪报数字 */
.stats-bar { 
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; 
}
.stat-item { 
  padding:24px; border-radius: 0; 
  border: 2px solid #3a2e2a; 
  background: #fffcf8;
  box-shadow: 4px 4px 0 #dbb8a8;
}
.stat-number { 
  font-size:2.8rem; font-weight:900; 
  letter-spacing: -2px;
  text-shadow: 2px 2px 0 #f0c9c0;
}
.stat-label { font-size:0.9rem; opacity:0.7; margin-top:6px; font-weight: 600; }

/* 内容墙 — 拼贴网格 */
.content-wall { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; 
}
.content-wall-item { 
  border-radius: 0; overflow:hidden; 
  border: 2px solid #3a2e2a; 
  background: #fffcf8;
  transition:0.2s; 
  box-shadow: 4px 4px 0 #e8d5c4;
}
.content-wall-item:hover { 
  transform:translate(-2px, -2px); 
  box-shadow: 6px 6px 0 #e8d5c4;
}
.content-wall-item img { 
  width:100%; height:200px; object-fit:cover; 
  border-bottom: 2px solid #3a2e2a;
}
.content-wall-body { padding:20px; }

/* FAQ — 折叠纸片 */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border: 2px solid #3a2e2a; 
  border-radius: 0; 
  margin-bottom:12px; 
  overflow:hidden; cursor:pointer; 
  background: #fffcf8;
  box-shadow: 3px 3px 0 #dbb8a8;
}
.faq-item .faq-question { 
  padding:16px 20px; font-weight:700; 
  display:flex; justify-content:space-between; 
  background: #f0f7f2;
  border-bottom: 1px solid #dbb8a8;
}
.faq-item .faq-question::after {
  content: '▼';
  font-size: 0.8rem;
  transition: 0.2s;
}
.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}
.faq-item .faq-answer { 
  padding:0 20px 16px; display:none; opacity:0.85; 
  background: #fffcf8;
}
.faq-item.open .faq-answer { display:block; padding-top: 12px; }

/* CTA横幅 — 大胆拼色 */
.cta-banner { 
  padding:56px 24px; text-align:center; 
  border-radius: 0; 
  color:#fdf7f2; 
  background: #3a2e2a;
  border: 2px solid #3a2e2a;
  box-shadow: 6px 6px 0 #f0c9c0;
  position: relative;
}
.cta-banner h2 { 
  color:#fdf7f2; 
  text-shadow: 3px 3px 0 #dbb8a8;
  font-size: 2.2rem;
}
.cta-banner .btn-primary { 
  background:#fdf7f2; 
  color:#3a2e2a; 
  border-color: #fdf7f2;
  box-shadow: 4px 4px 0 #dbb8a8;
}

/* 页脚 — 拼贴底部 */
.site-footer { 
  padding:56px 0 28px; 
  background: #e8d5c4;
  border-top: 4px solid #3a2e2a;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: -8px; left: 24px;
  width: 80px; height: 8px;
  background: #c4dcc8;
  border: 2px solid #3a2e2a;
}
.footer-grid { 
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; 
}
.footer-brand { }
.footer-col { }
.footer-col h4 { font-weight: 800; margin-bottom: 12px; text-transform: uppercase; }
.footer-col a { color: #3a2e2a; text-decoration: none; display: block; padding: 2px 0; }
.footer-col a:hover { text-decoration: underline; }
.footer-bottom { 
  border-top: 2px solid #3a2e2a; 
  margin-top:40px; padding-top:20px; 
  text-align:center; font-size:0.85rem; 
  font-weight: 600;
}

/* 工具类 */
.text-accent { color: #c4dcc8; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.8; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 — 保持拼贴精神 */
@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; 
    width: 40px; height: 40px;
    background: #f0c9c0;
    border: 2px solid #3a2e2a;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 2px 2px 0 #dbb8a8;
  }
  .main-nav.open { 
    display:flex; flex-direction:column; 
    position:absolute; top:68px; left:0; width:100%; 
    background:#fdf7f2; padding:20px; 
    border-bottom: 3px solid #3a2e2a;
    box-shadow: 0 6px 0 #e8d5c4;
  }
  .hero h1 { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
}
@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; }
}