/* ============================================
   黑料网 YANDEX | 编辑部新粗野主义
   浅色设计系统 v1.0
============================================ */
:root {
  --bg: #F7F2EA;
  --bg-alt: #FEFCF8;
  --primary: #D6453D;
  --secondary: #1B4B5A;
  --accent: #E9A83A;
  --ink: #2A2722;
  --line: rgba(42,39,34,0.15);
}

/* 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:var(--bg); color:var(--ink); line-height:1.6; }

/* 核心布局 — 必须居中 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:var(--bg-alt); }

/* 导航 — 固定顶部 */
.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background:rgba(247,242,234,0.93); backdrop-filter:blur(12px); border-bottom:3px solid var(--primary); box-shadow:0 2px 0 var(--ink); }
.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:1.25rem; text-decoration:none; color:var(--ink); letter-spacing:0.5px; text-transform:uppercase; }
.logo-icon { width:40px; height:40px; border-radius:4px; display:flex; align-items:center; justify-content:center; font-size:1rem; background:var(--primary); color:#fff; font-weight:900; transform:rotate(-4deg); box-shadow:3px 3px 0 var(--secondary); }
.main-nav { display:flex; align-items:center; gap:26px; list-style:none; }
.main-nav a { text-decoration:none; font-size:0.85rem; font-weight:700; color:var(--ink); border-bottom:2px solid transparent; padding:4px 0; letter-spacing:0.5px; transition:all 0.2s; }
.main-nav a:hover { border-bottom-color:var(--primary); color:var(--primary); }
.nav-cta { padding:9px 22px; border-radius:2px; color:#fff!important; font-weight:800; background:var(--primary); border:none!important; box-shadow:3px 3px 0 var(--ink); transition:all 0.15s; }
.nav-cta:hover { transform:translate(2px,2px); box-shadow:1px 1px 0 var(--ink); color:#fff!important; }
.menu-toggle { display:none; background:none; border:2px solid var(--ink); font-size:1.4rem; cursor:pointer; color:var(--ink); border-radius:4px; padding:2px 8px; }

/* 首页Hero */
.hero { min-height:75vh; display:flex; align-items:center; gap:56px; max-width:1200px; margin:0 auto; padding:110px 24px 70px; position:relative; overflow:hidden; }
.hero::before { content:'黑料尽搜'; position:absolute; right:-30px; top:50%; transform:translateY(-50%) rotate(-8deg); font-size:7rem; font-weight:900; letter-spacing:-6px; color:rgba(214,69,61,0.06); z-index:0; line-height:1; }
.hero::after { content:''; position:absolute; left:-80px; bottom:-80px; width:240px; height:240px; border-radius:50%; border:22px solid rgba(233,168,58,0.2); z-index:0; }
.hero-content { flex:1; max-width:640px; position:relative; z-index:1; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:800; padding:5px 16px; border-radius:2px; margin-bottom:18px; background:var(--accent); color:var(--ink); border:2px solid var(--ink); box-shadow:2px 2px 0 var(--ink); letter-spacing:1px; text-transform:uppercase; }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:22px; font-weight:900; letter-spacing:-1px; }
.hero h1 span { background:var(--primary); color:#fff; padding:0 6px; box-decoration-break:clone; -webkit-box-decoration-break:clone; }
.hero p { font-size:1.08rem; opacity:0.78; max-width:540px; margin-bottom:34px; line-height:1.7; border-left:4px solid var(--accent); padding-left:22px; font-weight:400; }
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }
.hero-image { flex:0 0 42%; border-radius:4px; overflow:hidden; position:relative; z-index:1; border:2px solid var(--ink); box-shadow:8px 8px 0 var(--primary); transform:rotate(1.5deg); transition:transform 0.3s; }
.hero-image:hover { transform:rotate(0deg) translateY(-4px); }
.hero-image img { width:100%; height:auto; display:block; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:8px; padding:14px 32px; border-radius:2px; font-weight:800; cursor:pointer; border:2px solid var(--ink); text-decoration:none; transition:all 0.16s; font-size:0.95rem; letter-spacing:0.3px; }
.btn-primary { background:var(--primary); color:#fff; box-shadow:4px 4px 0 var(--ink); }
.btn-primary:hover { transform:translate(2px,2px); box-shadow:2px 2px 0 var(--ink); background:var(--secondary); }
.btn-outline { background:transparent; border:2px solid var(--ink); color:var(--ink); box-shadow:3px 3px 0 var(--ink); }
.btn-outline:hover { background:var(--accent); transform:translate(2px,2px); box-shadow:1px 1px 0 var(--ink); }

/* 标签/标题 */
.section-label { display:inline-block; font-size:0.78rem; font-weight:900; letter-spacing:3px; margin-bottom:14px; color:var(--primary); text-transform:uppercase; border-top:3px solid var(--primary); padding-top:8px; }
.section-title { font-size:2.3rem; margin-bottom:14px; font-weight:900; line-height:1.15; letter-spacing:-0.5px; }
.section-desc { max-width:620px; opacity:0.72; margin-bottom:44px; font-size:1.05rem; line-height:1.7; border-left:3px solid var(--accent); padding-left:18px; }

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { border-radius:4px; padding:32px 28px; border:2px solid var(--ink); background:#fff; transition:all 0.2s; box-shadow:5px 5px 0 var(--ink); position:relative; }
.category-card::after { content:''; position:absolute; top:0; right:0; width:0; height:0; border-style:solid; border-width:0 22px 22px 0; border-color:transparent var(--primary) transparent transparent; opacity:0; transition:opacity 0.2s; }
.category-card:hover { transform:translate(-3px,-3px); box-shadow:8px 8px 0 var(--secondary); }
.category-card:hover::after { opacity:1; }
.card-icon { width:52px; height:52px; border-radius:4px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-size:1.4rem; background:var(--primary); color:#fff; border:2px solid var(--ink); transform:rotate(-3deg); box-shadow:2px 2px 0 var(--ink); }
.card-link { font-weight:800; font-size:0.85rem; text-decoration:none; color:var(--primary); display:inline-flex; align-items:center; gap:6px; margin-top:10px; }
.card-link::after { content:'→'; transition:transform 0.2s; }
.card-link:hover::after { transform:translateX(4px); }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:4px; overflow:hidden; border:2px solid var(--ink); box-shadow:8px 8px 0 var(--accent); transform:rotate(-1.5deg); transition:transform 0.3s; }
.feature-image:hover { transform:rotate(0deg) scale(1.01); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { padding:12px 0; }
.feature-text .section-title { margin-top:6px; }
.feature-list { list-style:none; margin-top:18px; }
.feature-list li { padding:8px 0; display:flex; align-items:center; gap:10px; font-size:0.98rem; font-weight:500; border-bottom:1px dashed var(--line); }
.feature-list li:last-child { border-bottom:none; }
.feature-list li::before { content:'//'; font-weight:900; color:var(--primary); font-size:1rem; }

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { padding:30px 18px; border-radius:4px; border:2px solid var(--ink); background:#fff; box-shadow:5px 5px 0 var(--ink); transition:transform 0.2s; }
.stat-item:hover { transform:translateY(-4px); box-shadow:7px 7px 0 var(--primary); }
.stat-number { font-size:2.6rem; font-weight:900; color:var(--primary); line-height:1; letter-spacing:-1px; }
.stat-label { font-size:0.88rem; 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:28px; }
.content-wall-item { border-radius:4px; overflow:hidden; border:2px solid var(--ink); background:#fff; transition:all 0.22s; box-shadow:4px 4px 0 var(--ink); }
.content-wall-item:hover { transform:rotate(-1deg) translateY(-5px); box-shadow:7px 7px 0 var(--accent); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; border-bottom:2px solid var(--ink); }
.content-wall-body { padding:22px; }
.content-wall-body p { font-size:0.95rem; opacity:0.72; margin-top:8px; line-height:1.6; }

/* FAQ */
.faq-list { max-width:860px; margin:0 auto; }
.faq-item { border:2px solid var(--ink); border-radius:4px; margin-bottom:14px; overflow:hidden; cursor:pointer; background:#fff; transition:box-shadow 0.2s; box-shadow:3px 3px 0 var(--ink); }
.faq-item:hover { box-shadow:5px 5px 0 var(--accent); }
.faq-item .faq-question { padding:18px 22px; font-weight:800; display:flex; justify-content:space-between; align-items:center; background:var(--bg); border-bottom:2px solid var(--ink); font-size:1.02rem; transition:background 0.2s; }
.faq-item .faq-question::after { content:'＋'; font-size:1.2rem; font-weight:900; color:var(--primary); transition:transform 0.2s; }
.faq-item.open .faq-question::after { transform:rotate(45deg); }
.faq-item.open .faq-question { background:var(--accent); }
.faq-item .faq-answer { padding:0 22px 20px; display:none; opacity:0.78; line-height:1.7; font-size:0.95rem; }
.faq-item.open .faq-answer { display:block; padding-top:16px; }

/* CTA横幅 */
.cta-banner { padding:60px 24px; text-align:center; border-radius:4px; background:var(--secondary); color:#fff; border:2px solid var(--ink); box-shadow:8px 8px 0 var(--primary); position:relative; overflow:hidden; }
.cta-banner::after { content:'真相立现'; position:absolute; right:12px; bottom:-6px; font-size:3.4rem; font-weight:900; opacity:0.12; letter-spacing:2px; color:#fff; line-height:1; transform:rotate(-6deg); }
.cta-banner h2 { color:#fff; font-weight:900; font-size:2rem; margin-bottom:10px; 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:var(--secondary); border-color:var(--ink); box-shadow:4px 4px 0 rgba(0,0,0,0.25); }
.cta-banner .btn-primary:hover { background:var(--accent); color:var(--ink); }

/* 页脚 */
.site-footer { padding:56px 0 28px; background:var(--bg-alt); border-top:3px solid var(--primary); color:var(--ink); position:relative; }
.site-footer::before { content:''; display:block; height:14px; position:absolute; top:-14px; left:0; right:0; background:repeating-linear-gradient(45deg, var(--primary), var(--primary) 12px, var(--accent) 12px, var(--accent) 24px); }
.site-footer .container { position:relative; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:44px; }
.footer-brand { padding-right:30px; }
.footer-brand .logo { margin-bottom:12px; }
.footer-brand p { font-size:0.92rem; opacity:0.68; line-height:1.7; }
.footer-col h4 { font-size:0.95rem; font-weight:900; margin-bottom:16px; letter-spacing:1px; color:var(--primary); text-transform:uppercase; }
.footer-col a { display:block; color:var(--ink); text-decoration:none; font-size:0.9rem; padding:5px 0; opacity:0.72; transition:0.2s; }
.footer-col a:hover { opacity:1; color:var(--primary); padding-left:6px; }
.footer-bottom { border-top:1px solid var(--line); margin-top:44px; padding-top:22px; text-align:center; font-size:0.85rem; opacity:0.6; }

/* 工具类 */
.text-accent { color:var(--primary)!important; }
.text-center { text-align:center; }
.seo-description { max-width:640px; margin:0 auto 48px; opacity:0.72; line-height:1.7; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 额外装饰细节 */
.section-title::selection { background:var(--accent); color:var(--ink); }
.hero h1::selection, .cta-banner h2::selection { background:var(--accent); color:var(--ink); }
.category-card:nth-child(3n+1) .card-icon { background:var(--secondary); }
.category-card:nth-child(3n+2) .card-icon { background:var(--accent); color:var(--ink); }
.stat-item:nth-child(2) .stat-number { color:var(--secondary); }
.stat-item:nth-child(3) .stat-number { color:var(--accent); }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .hero { flex-direction:column; gap:40px; padding-top:100px; }
  .hero-content { max-width:100%; }
  .hero-image { flex:1 1 auto; width:100%; }
  .hero h1 { font-size:2.3rem; }
  .hero::before { font-size:4rem; right:-10px; }
  .feature-block { grid-template-columns:1fr; gap:36px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .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:var(--bg); padding:24px; border-bottom:3px solid var(--primary); box-shadow:0 6px 0 var(--ink); gap:18px; }
  .main-nav.open a { font-size:1rem; }
  .main-nav.open .nav-cta { display:inline-block; text-align:center; }
  .cta-banner { padding:44px 18px; }
  .cta-banner::after { font-size:2.4rem; }
}
@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .hero-buttons { flex-direction:column; }
  .hero-buttons .btn { width:100%; justify-content:center; }
  .section { padding:60px 0; }
  .section-title { font-size:1.7rem; }
  .hero h1 { font-size:2rem; }
  .site-header .logo { font-size:1.05rem; }
  .logo-icon { width:30px; height:30px; font-size:0.8rem; }
}