*, *::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: #0a0a12;
  color: #f0ede6;
}

/* 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:#13131e; }

/* 导航 — 固定顶部 — 野兽派深色玻璃 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(10,10,18,0.85); 
  backdrop-filter:blur(16px) saturate(1.4); 
  border-bottom:1px solid rgba(255,70,90,0.25);
}
.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:1.4rem; text-decoration:none; 
  color:#f0ede6; letter-spacing:-0.5px; 
}
.logo-icon { 
  width:40px; height:40px; border-radius:4px; 
  background: linear-gradient(135deg, #ff465a, #ff6b3d); 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.1rem; color:#0a0a12; font-weight:900;
  box-shadow: 0 0 20px rgba(255,70,90,0.3);
}
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.85rem; font-weight:500; 
  color:#a09e9a; letter-spacing:0.5px; text-transform:uppercase;
  transition:0.2s; position:relative;
}
.main-nav a:hover { color:#ff6b3d; }
.main-nav a::after {
  content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px;
  background:#ff465a; transition:0.3s;
}
.main-nav a:hover::after { width:100%; }
.nav-cta { 
  padding:10px 24px; border-radius:2px; 
  background: linear-gradient(135deg, #ff465a, #ff6b3d);
  color:#0a0a12!important; font-weight:800; letter-spacing:0.5px;
  box-shadow: 0 0 24px rgba(255,70,90,0.25);
  transition:0.3s;
}
.nav-cta:hover { transform:scale(1.04); box-shadow: 0 0 40px rgba(255,70,90,0.5); }
.menu-toggle { display:none; }

/* 首页Hero — 纵深3D感 + 斜切 */
.hero { 
  min-height:80vh; display:flex; align-items:center; 
  position:relative; overflow:hidden; margin-top:0;
  background: radial-gradient(ellipse at 20% 50%, rgba(255,70,90,0.08) 0%, transparent 60%);
}
.hero::before {
  content:''; position:absolute; top:-30%; right:-10%; width:60%; height:120%;
  background: linear-gradient(180deg, rgba(255,107,61,0.04), transparent);
  transform:skewY(-6deg); pointer-events:none;
}
.hero-content { max-width:700px; position:relative; z-index:2; }
.hero-eyebrow { 
  display:inline-block; font-size:0.75rem; font-weight:800; 
  padding:6px 18px; border-radius:2px; margin-bottom:20px;
  background: rgba(255,70,90,0.15); color:#ff6b3d;
  letter-spacing:2px; text-transform:uppercase; border:1px solid rgba(255,70,90,0.2);
}
.hero h1 { 
  font-size:3.6rem; line-height:1.05; margin-bottom:24px; 
  font-weight:900; letter-spacing:-1.5px; color:#f0ede6;
}
.hero h1 span { 
  background: linear-gradient(135deg, #ff465a, #ff6b3d);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero p { 
  font-size:1.15rem; opacity:0.6; max-width:520px; margin-bottom:36px; 
  line-height:1.6; color:#c0bdb6;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { 
  border-radius:2px; overflow:hidden; 
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  border:1px solid rgba(255,70,90,0.15);
  transform: perspective(800px) rotateY(-5deg) rotateX(2deg);
  transition:0.4s;
}
.hero-image:hover { transform: perspective(800px) rotateY(-2deg) rotateX(1deg); }
.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:700; 
  cursor:pointer; border:none; text-decoration:none; 
  transition:0.25s; letter-spacing:0.3px;
  font-size:0.9rem;
}
.btn-primary { 
  color:#0a0a12; 
  background: linear-gradient(135deg, #ff465a, #ff6b3d);
  box-shadow: 0 4px 20px rgba(255,70,90,0.25);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow: 0 8px 30px rgba(255,70,90,0.4); }
.btn-outline { 
  background:transparent; border:1.5px solid rgba(255,70,90,0.4); 
  color:#f0ede6;
}
.btn-outline:hover { border-color:#ff6b3d; background:rgba(255,70,90,0.08); }

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.7rem; font-weight:800; 
  letter-spacing:3px; margin-bottom:14px; 
  color:#ff6b3d; text-transform:uppercase;
}
.section-title { 
  font-size:2.4rem; margin-bottom:16px; font-weight:900; 
  letter-spacing:-0.8px; color:#f0ede6;
}
.section-desc { max-width:560px; opacity:0.55; margin-bottom:44px; line-height:1.7; color:#a09e9a; }

/* 卡片网格 — 野兽派粗框 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:20px; }
.category-card { 
  border-radius:2px; padding:32px; 
  border:1px solid rgba(255,70,90,0.12); 
  background: #13131e;
  transition:0.3s; position:relative;
}
.category-card:hover { 
  transform:translateY(-4px); 
  box-shadow:0 8px 30px rgba(255,70,90,0.12);
  border-color:rgba(255,107,61,0.3);
}
.category-card::before {
  content:''; position:absolute; top:0; left:0; width:4px; height:0;
  background: linear-gradient(180deg, #ff465a, #ff6b3d);
  transition:0.3s;
}
.category-card:hover::before { height:100%; }
.card-icon { 
  width:52px; height:52px; border-radius:2px; 
  background: rgba(255,70,90,0.1); 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.5rem; color:#ff6b3d;
}
.card-link { 
  font-weight:700; font-size:0.8rem; text-decoration:none; 
  color:#ff6b3d; letter-spacing:0.5px; text-transform:uppercase;
  transition:0.2s; display:inline-block;
}
.card-link:hover { color:#ff465a; }

/* 特性块 — 杂志风不对称 */
.feature-block { 
  display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; 
}
.feature-image { 
  border-radius:2px; overflow:hidden; 
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  border:1px solid rgba(255,70,90,0.1);
  transform: perspective(600px) rotateY(3deg);
  transition:0.4s;
}
.feature-image:hover { transform: perspective(600px) rotateY(0deg); }
.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-size:0.95rem; color:#c0bdb6;
}
.feature-list li::before { 
  content:'→'; font-weight:900; color:#ff465a; 
  font-size:1.1rem;
}

/* 数据条 — 粗野数字 */
.stats-bar { 
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; 
}
.stat-item { 
  padding:28px 16px; border-radius:2px; 
  border:1px solid rgba(255,70,90,0.1); 
  background: #13131e;
}
.stat-number { 
  font-size:2.8rem; font-weight:900; 
  background: linear-gradient(135deg, #ff465a, #ff6b3d);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text; line-height:1.1;
}
.stat-label { font-size:0.85rem; opacity:0.5; margin-top:8px; color:#a09e9a; letter-spacing:0.5px; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.content-wall-item { 
  border-radius:2px; overflow:hidden; 
  border:1px solid rgba(255,70,90,0.08); 
  background: #13131e;
  transition:0.3s;
}
.content-wall-item:hover { 
  transform:translateY(-4px); 
  box-shadow:0 8px 30px rgba(255,70,90,0.12);
  border-color:rgba(255,107,61,0.2);
}
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:20px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid rgba(255,70,90,0.1); 
  border-radius:2px; margin-bottom:8px; overflow:hidden; cursor:pointer; 
  background: #13131e; transition:0.2s;
}
.faq-item:hover { border-color:rgba(255,107,61,0.2); }
.faq-item .faq-question { 
  padding:18px 22px; font-weight:700; 
  display:flex; justify-content:space-between; 
  color:#f0ede6; letter-spacing:0.3px;
}
.faq-item .faq-question::after {
  content:'+'; font-size:1.2rem; color:#ff6b3d; transition:0.3s;
}
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { 
  padding:0 22px 18px; display:none; 
  opacity:0.6; line-height:1.7; color:#c0bdb6;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:60px 24px; text-align:center; border-radius:2px; 
  background: linear-gradient(135deg, #ff465a, #ff6b3d);
  color:#0a0a12; position:relative; overflow:hidden;
}
.cta-banner::before {
  content:''; position:absolute; top:-50%; left:-20%; width:140%; height:200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.06), transparent 60%);
}
.cta-banner h2 { color:#0a0a12; font-size:2.2rem; font-weight:900; position:relative; }
.cta-banner .btn-primary { 
  background:#0a0a12; color:#f0ede6; 
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  position:relative;
}
.cta-banner .btn-primary:hover { background:#1a1a2a; }

/* 页脚 */
.site-footer { 
  padding:60px 0 28px; 
  background: #0a0a12; 
  border-top:1px solid rgba(255,70,90,0.08);
}
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-col { }
.footer-col h4 { 
  font-size:0.8rem; font-weight:800; letter-spacing:1px; 
  margin-bottom:16px; color:#ff6b3d; text-transform:uppercase;
}
.footer-col a { 
  display:block; color:#a09e9a; text-decoration:none; 
  font-size:0.85rem; padding:4px 0; transition:0.2s;
}
.footer-col a:hover { color:#f0ede6; }
.footer-bottom { 
  border-top:1px solid rgba(255,70,90,0.08); 
  margin-top:40px; padding-top:20px; text-align:center; 
  font-size:0.8rem; color:#5a5854;
}

/* 工具类 */
.text-accent { color:#ff6b3d; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.5; color:#a09e9a; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 自定义滚动条 */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:#0a0a12; }
::-webkit-scrollbar-thumb { background:#ff465a; border-radius:2px; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .hero h1 { font-size:2.4rem; }
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; cursor:pointer; color:#f0ede6; font-size:1.5rem; }
  .main-nav.open { 
    display:flex; flex-direction:column; 
    position:absolute; top:72px; left:0; width:100%; 
    background:#0a0a12; padding:24px; 
    border-bottom:1px solid rgba(255,70,90,0.15);
  }
  .hero-image { transform:none; }
}
@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; }
  .section-title { font-size:1.6rem; }
}