/* 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: #0a0a0f; 
  color: #e0e0e8; 
  line-height: 1.6;
}

/* 核心布局 — 必须居中 */
.container { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 24px; 
}

.section { 
  padding: 100px 0; 
  position: relative;
}

.section:nth-child(even) { 
  background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
}

/* 导航 — 固定顶部 野兽派风格 */
.site-header { 
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  z-index: 1000; 
  background: rgba(10, 10, 15, 0.92); 
  backdrop-filter: blur(20px) saturate(180%); 
  border-bottom: 3px solid #ff6b35;
  box-shadow: 0 4px 30px rgba(255, 107, 53, 0.15);
}

.header-inner { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  height: 76px; 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 24px; 
}

.logo { 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  font-weight: 900; 
  font-size: 1.4rem; 
  text-decoration: none; 
  color: #fff;
  letter-spacing: -1px;
  text-transform: uppercase;
}

.logo-icon { 
  width: 44px; 
  height: 44px; 
  border-radius: 12px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  font-size: 1.2rem; 
  background: linear-gradient(135deg, #ff6b35, #f7c948);
  color: #0a0a0f;
  font-weight: 900;
  transform: rotate(-5deg);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.main-nav { 
  display: flex; 
  align-items: center; 
  gap: 32px; 
  list-style: none; 
}

.main-nav a { 
  text-decoration: none; 
  font-size: 0.85rem; 
  font-weight: 700; 
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
  color: #a0a0b8;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #ff6b35;
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: #ff6b35;
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta { 
  padding: 10px 28px; 
  border-radius: 0; 
  color: #0a0a0f!important; 
  font-weight: 800; 
  background: linear-gradient(135deg, #ff6b35, #f7c948);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.75rem!important;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: all 0.3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.nav-cta::after {
  display: none!important;
}

.menu-toggle { 
  display: none; 
  background: none;
  border: 2px solid #ff6b35;
  color: #ff6b35;
  padding: 8px 12px;
  font-size: 1.2rem;
  cursor: pointer;
  border-radius: 4px;
}

/* 首页Hero — 杂志风大胆排版 */
.hero { 
  min-height: 85vh; 
  display: flex; 
  align-items: center; 
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 50%, rgba(255, 107, 53, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(247, 201, 72, 0.06) 0%, transparent 50%);
}

.hero::before {
  content: 'ZGBQJYS';
  position: absolute;
  right: -5%;
  top: 10%;
  font-size: 20vw;
  font-weight: 900;
  color: rgba(255, 107, 53, 0.03);
  letter-spacing: -10px;
  pointer-events: none;
  line-height: 1;
}

.hero-content { 
  max-width: 800px; 
  position: relative;
  z-index: 1;
}

.hero-eyebrow { 
  display: inline-block; 
  font-size: 0.7rem; 
  font-weight: 800; 
  padding: 6px 18px; 
  background: rgba(255, 107, 53, 0.15);
  color: #ff6b35;
  margin-bottom: 24px; 
  letter-spacing: 3px;
  text-transform: uppercase;
  border-left: 3px solid #ff6b35;
}

.hero h1 { 
  font-size: 4rem; 
  line-height: 1.05; 
  margin-bottom: 24px; 
  font-weight: 900;
  letter-spacing: -2px;
  color: #fff;
  text-transform: uppercase;
}

.hero h1 span {
  background: linear-gradient(135deg, #ff6b35, #f7c948);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p { 
  font-size: 1.15rem; 
  opacity: 0.6; 
  max-width: 600px; 
  margin-bottom: 40px; 
  line-height: 1.8;
  color: #b0b0c8;
}

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

.hero-image { 
  border-radius: 0; 
  overflow: hidden; 
  clip-path: polygon(20px 0, 100% 0, calc(100% - 20px) 100%, 0 100%);
  box-shadow: 20px 20px 60px rgba(0,0,0,0.5);
}

.hero-image img { 
  width: 100%; 
  height: auto; 
  display: block;
  filter: grayscale(30%) contrast(120%);
}

/* 按钮 — 野兽派几何风格 */
.btn { 
  display: inline-flex; 
  align-items: center; 
  gap: 10px; 
  padding: 14px 32px; 
  border-radius: 0; 
  font-weight: 800; 
  cursor: pointer; 
  border: none; 
  text-decoration: none; 
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.8rem;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.btn-primary { 
  color: #0a0a0f; 
  background: linear-gradient(135deg, #ff6b35, #f7c948);
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
}

.btn-outline { 
  background: transparent; 
  border: 2px solid #ff6b35; 
  color: #ff6b35;
}

.btn-outline:hover {
  background: rgba(255, 107, 53, 0.1);
  transform: translateY(-3px);
}

/* 标签/标题 */
.section-label { 
  display: inline-block; 
  font-size: 0.7rem; 
  font-weight: 800; 
  letter-spacing: 4px; 
  margin-bottom: 16px; 
  color: #ff6b35;
  text-transform: uppercase;
  position: relative;
  padding-left: 40px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 28px;
  height: 2px;
  background: #ff6b35;
}

.section-title { 
  font-size: 2.8rem; 
  margin-bottom: 16px; 
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
  line-height: 1.1;
  text-transform: uppercase;
}

.section-desc { 
  max-width: 650px; 
  opacity: 0.5; 
  margin-bottom: 48px; 
  font-size: 1.05rem;
  line-height: 1.8;
}

/* 卡片网格 — 玻璃态+野兽派 */
.cards-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
  gap: 24px; 
}

.category-card { 
  border-radius: 0; 
  padding: 32px; 
  border: 1px solid rgba(255, 107, 53, 0.15);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
  clip-path: polygon(16px 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #ff6b35, #f7c948);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.category-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 107, 53, 0.08);
  border-color: #ff6b35;
}

.category-card:hover::before {
  transform: scaleX(1);
}

.card-icon { 
  width: 56px; 
  height: 56px; 
  border-radius: 0; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  margin-bottom: 20px; 
  font-size: 1.5rem; 
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.2), rgba(247, 201, 72, 0.1));
  color: #ff6b35;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.card-link { 
  font-weight: 800; 
  font-size: 0.8rem; 
  text-decoration: none; 
  color: #ff6b35;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.3s ease;
}

.card-link:hover {
  gap: 12px;
}

/* 特性块 — 不对称布局 */
.feature-block { 
  display: grid; 
  grid-template-columns: 1.2fr 0.8fr; 
  gap: 64px; 
  align-items: center; 
}

.feature-image { 
  border-radius: 0; 
  overflow: hidden; 
  clip-path: polygon(24px 0, 100% 0, calc(100% - 24px) 100%, 0 100%);
  box-shadow: -20px 20px 60px rgba(0,0,0,0.4);
  position: relative;
}

.feature-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), transparent);
  pointer-events: none;
}

.feature-image img { 
  width: 100%; 
  height: auto; 
  display: block;
  filter: grayscale(20%);
}

.feature-text { 
  padding: 20px 0;
}

.feature-list { 
  list-style: none; 
}

.feature-list li { 
  padding: 10px 0; 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-list li::before { 
  content: '→'; 
  font-weight: 900; 
  color: #ff6b35;
  font-size: 1.2rem;
}

/* 数据条 — 粗野主义 */
.stats-bar { 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  gap: 0; 
  text-align: center; 
  border: 2px solid rgba(255, 107, 53, 0.2);
  clip-path: polygon(20px 0, 100% 0, calc(100% - 20px) 100%, 0 100%);
  overflow: hidden;
}

.stat-item { 
  padding: 36px 24px; 
  border-right: 1px solid rgba(255, 107, 53, 0.1);
  background: rgba(255, 255, 255, 0.02);
  transition: background 0.3s ease;
}

.stat-item:last-child {
  border-right: none;
}

.stat-item:hover {
  background: rgba(255, 107, 53, 0.05);
}

.stat-number { 
  font-size: 3rem; 
  font-weight: 900; 
  color: #fff;
  letter-spacing: -2px;
  line-height: 1;
  background: linear-gradient(135deg, #ff6b35, #f7c948);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label { 
  font-size: 0.85rem; 
  opacity: 0.5; 
  margin-top: 8px; 
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}

/* 内容墙 — 杂志网格 */
.content-wall { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); 
  gap: 24px; 
}

.content-wall-item { 
  border-radius: 0; 
  overflow: hidden; 
  border: 1px solid rgba(255, 107, 53, 0.1);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); 
  background: rgba(255, 255, 255, 0.02);
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.content-wall-item:hover { 
  transform: translateY(-6px) scale(1.01); 
  border-color: #ff6b35;
  box-shadow: 0 12px 40px rgba(255, 107, 53, 0.15);
}

.content-wall-item img { 
  width: 100%; 
  height: 220px; 
  object-fit: cover; 
  filter: grayscale(40%);
  transition: filter 0.4s ease;
}

.content-wall-item:hover img {
  filter: grayscale(0%);
}

.content-wall-body { 
  padding: 24px; 
}

.content-wall-body h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #fff;
}

/* FAQ — 极简野兽派 */
.faq-list { 
  max-width: 800px; 
  margin: 0 auto; 
}

.faq-item { 
  border: 1px solid rgba(255, 107, 53, 0.15); 
  border-radius: 0; 
  margin-bottom: 8px; 
  overflow: hidden; 
  cursor: pointer; 
  transition: border-color 0.3s ease;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.faq-item:hover {
  border-color: #ff6b35;
}

.faq-item .faq-question { 
  padding: 20px 24px; 
  font-weight: 800; 
  display: flex; 
  justify-content: space-between; 
  align-items: center;
  color: #fff;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: #ff6b35;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-item .faq-answer { 
  padding: 0 24px 20px; 
  display: none; 
  opacity: 0.7; 
  line-height: 1.8;
}

.faq-item.open .faq-answer { 
  display: block; 
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* CTA横幅 — 渐变流体 */
.cta-banner { 
  padding: 72px 24px; 
  text-align: center; 
  border-radius: 0; 
  color: #0a0a0f; 
  background: linear-gradient(135deg, #ff6b35, #f7c948, #ff6b35);
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
  clip-path: polygon(30px 0, 100% 0, calc(100% - 30px) 100%, 0 100%);
  position: relative;
  overflow: hidden;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-banner h2 { 
  color: #0a0a0f; 
  font-size: 2.4rem;
  font-weight: 900;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary { 
  background: #0a0a0f; 
  color: #ff6b35;
  box-shadow: none;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(10, 10, 15, 0.3);
}

/* 页脚 */
.site-footer { 
  padding: 64px 0 32px; 
  background: #050508;
  border-top: 3px solid rgba(255, 107, 53, 0.2);
}

.site-footer .container { 
}

.footer-grid { 
  display: grid; 
  grid-template-columns: 2fr 1fr 1fr 1fr; 
  gap: 48px; 
}

.footer-brand { 
}

.footer-brand p {
  opacity: 0.5;
  margin-top: 16px;
  line-height: 1.8;
}

.footer-col { 
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
  color: #ff6b35;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  padding: 6px 0;
}

.footer-col ul li a {
  text-decoration: none;
  color: #a0a0b8;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-col ul li a:hover {
  color: #ff6b35;
}

.footer-bottom { 
  border-top: 1px solid rgba(255, 107, 53, 0.1); 
  margin-top: 48px; 
  padding-top: 24px; 
  text-align: center; 
  font-size: 0.8rem; 
  opacity: 0.4;
}

/* 工具类 */
.text-accent { 
  color: #ff6b35;
}

.text-center { 
  text-align: center; 
}

.seo-description { 
  max-width: 600px; 
  margin: 0 auto 48px; 
  opacity: 0.5; 
  line-height: 1.8;
}

.mt-0 { 
  margin-top: 0; 
}

.mb-0 { 
  margin-bottom: 0; 
}

/* ⚠️ 响应式 */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-bar .stat-item:nth-child(2) {
    border-right: none;
  }
}

@media (max-width: 768px) {
  .feature-block { 
    grid-template-columns: 1fr; 
    gap: 40px;
  }
  
  .feature-block .feature-image {
    order: -1;
  }
  
  .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; 
    align-items: center;
    justify-content: center;
  }
  
  .main-nav.open { 
    display: flex; 
    flex-direction: column; 
    position: absolute; 
    top: 76px; 
    left: 0; 
    width: 100%; 
    background: rgba(10, 10, 15, 0.98); 
    padding: 24px;
    gap: 16px;
    border-bottom: 3px solid #ff6b35;
  }
  
  .hero {
    min-height: 70vh;
  }
  
  .hero h1 {
    font-size: 2.4rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .cta-banner h2 {
    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; 
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .stat-number {
    font-size: 2.2rem;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .cta-banner {
    padding: 48px 16px;
  }
  
  .cta-banner h2 {
    font-size: 1.4rem;
  }
}