*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior: smooth;
}
body{
  font-family: 'Inter', Arial, sans-serif;
  background: linear-gradient(135deg, #fffaf5 0%, #fff3e8 100%);
  color:#1f2937;
  opacity: 0;
  animation: pageFadeIn 0.6s ease forwards;
}
@keyframes pageFadeIn {
  to { opacity: 1; }
}

/* Header */
.site-header{
  height:80px;
  max-width:1200px;
  margin:0 auto;
  padding:0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position: relative;
}
.logo{
  font-size:28px;
  font-weight:800;
  color:#f97316;
  letter-spacing: -0.5px;
  display:flex;
  align-items:center;
  gap:8px;
}
.logo-icon{
  width:32px;
  height:32px;
}
.main-nav a{
  text-decoration:none;
  color:#374151;
  margin:0 15px;
  font-weight:500;
  position: relative;
  transition: color 0.2s ease;
}
.main-nav a:hover{
  color:#f97316;
}
.main-nav a::after{
  content: "";
  width:0;
  height:2px;
  background:#f97316;
  position:absolute;
  bottom:-4px;
  left:0;
  transition: width 0.25s ease;
}
.main-nav a:hover::after{
  width:100%;
}
.header-btn{
  text-decoration:none;
  background:linear-gradient(135deg,#f97316,#fb923c);
  color:white;
  padding:12px 25px;
  border-radius:30px;
  font-weight:600;
  box-shadow: 0 4px 12px rgba(249,115,22,0.25);
  transition: all 0.25s ease;
}
.header-btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(249,115,22,0.35);
}
/* 移动端菜单按钮 */
.menu-toggle{
  display:none;
  border:none;
  background:transparent;
  font-size:26px;
  cursor:pointer;
  color:#1f2937;
}
.mobile-menu{
  display:none;
  max-width:1200px;
  margin:0 auto;
  margin-top:-10px;
  margin-inline:30px;
  background:#fff;
  border-radius:20px;
  padding:24px;
  box-shadow:0 10px 30px rgba(0,0,0,0.08);
  flex-direction:column;
  gap:16px;
}
.mobile-menu a{
  text-decoration:none;
  color:#374151;
  font-size:18px;
  font-weight:500;
}
.mobile-menu-btn{
  margin-top:10px;
  text-align:center;
  padding:12px;
  background:#f97316;
  color:#fff !important;
  border-radius:30px;
}
.mobile-menu.active{
  display:flex;
}

/* Hero Section */
.hero{
  max-width:1200px;
  margin:0 auto;
  padding:80px 30px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:70px;
  align-items:center;
}
.fox-icon{
  width:72px;
  height:72px;
  color:#f97316;
  filter: drop-shadow(0 8px 12px rgba(249,115,22,0.18));
}
.hero h1{
  font-size:58px;
  line-height:1.1;
  margin:20px 0;
  letter-spacing:-1px;
}
.hero p{
  font-size:20px;
  line-height:1.6;
  color:#6b7280;
  max-width:480px;
}
.main-btn{
  display:inline-block;
  margin-top:30px;
  padding:16px 35px;
  background:linear-gradient(135deg,#f97316,#fb923c);
  color:white;
  text-decoration:none;
  border-radius:35px;
  font-weight:600;
  box-shadow: 0 6px 18px rgba(249,115,22,0.28);
  transition: all 0.28s ease;
}
.main-btn:hover{
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(249,115,22,0.38);
}

/* Tool Panel */
.tool-panel{
  background:white;
  padding:28px;
  border-radius:30px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  box-shadow:0 20px 50px rgba(0,0,0,.08);
}
.tool-item{
  height:124px;
  background:#fff7ed;
  border-radius:22px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-decoration:none;
  transition:all .28s ease;
  border:1px solid transparent;
}
.tool-icon{
  width:40px;
  height:40px;
  color:#f97316;
  transition: transform 0.25s ease;
}
.tool-item span{
  margin-top:10px;
  font-size:15px;
  font-weight:600;
  color:#374151;
}
.tool-item:hover{
  background:#fed7aa;
  transform:translateY(-6px);
  box-shadow:0 12px 24px rgba(249,115,22,0.15);
  border-color:#fdba74;
}
.tool-item:hover .tool-icon{
  transform: scale(1.1);
}

/* Footer */
.site-footer{
  margin-top:100px;
  padding:50px 30px;
  text-align:center;
  color:#6b7280;
  background:rgba(255,255,255,0.4);
}
.footer-logo{
  font-size:24px;
  font-weight:bold;
  color:#f97316;
  margin-bottom:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
}
.footer-logo-icon{
  width:26px;
  height:26px;
}
.site-footer p{
  max-width:500px;
  margin:0 auto 24px;
  font-size:16px;
}
.footer-links{
  display:flex;
  gap:24px;
  justify-content:center;
  margin-bottom:20px;
}
.footer-links a{
  color:#6b7280;
  text-decoration:none;
  transition:color 0.2s;
}
.footer-links a:hover{
  color:#f97316;
}
small{
  font-size:14px;
}

/* Responsive */
@media(max-width:900px){
  .hero{
    grid-template-columns:1fr;
    padding-top:40px;
    gap:50px;
  }
  .hero h1{
    font-size:42px;
  }
  .tool-panel{
    grid-template-columns:repeat(2,1fr);
  }
  .main-nav{
    display:none;
  }
  .header-btn{
    display:none;
  }
  .menu-toggle{
    display:block;
  }
}
@media(max-width:520px){
  .hero h1{
    font-size:34px;
  }
  .tool-panel{
    grid-template-columns:1fr;
  }
  .footer-links{
    flex-direction:column;
    gap:10px;
  }
}