/* 关键CSS - 首屏优化 */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#0e0d0c 0%,#1a1815 25%,#2a2520 50%,#1a1815 75%,#0e0d0c 100%);color:#f3e6c0;line-height:1.7;padding:20px;min-height:100vh;position:relative;-webkit-transform:translateZ(0);transform:translateZ(0)}
body::before{content:'';position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 80%,rgba(196,167,111,0.03) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(196,167,111,0.02) 0%,transparent 50%),radial-gradient(circle at 50% 50%,rgba(196,167,111,0.01) 0%,transparent 70%);pointer-events:none;z-index:-1;-webkit-transform:translateZ(0);transform:translateZ(0)}
nav.navbar{justify-content:flex-start;gap:40px;background:linear-gradient(145deg,rgba(196,167,111,0.05) 0%,rgba(196,167,111,0.02) 100%);backdrop-filter:blur(10px);display:flex;align-items:center;padding:20px 32px;border-bottom:1px solid rgba(196,167,111,0.1);position:sticky;top:0;z-index:1000;transition:all 0.3s ease}
.navbar .logo{font-size:1.8rem;color:#c4a76f;font-weight:bold;margin-right:32px;text-shadow:0 0 10px rgba(196,167,111,0.3);cursor:pointer;transition:all 0.3s ease;text-decoration:none}
header.hero{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:80px 20px 60px;position:relative;background:linear-gradient(135deg,rgba(196,167,111,0.05) 0%,rgba(196,167,111,0.02) 100%);border-bottom:1px solid rgba(196,167,111,0.1);min-height:60vh}
.hero h1{font-size:clamp(2.5rem,8vw,4rem);color:#f5e8c7;text-shadow:0 2px 8px rgba(0,0,0,0.5);margin-bottom:20px;font-weight:300;letter-spacing:2px;position:relative;animation:fadeInUp 1s ease-out}
.hero p{font-size:clamp(1.1rem,3vw,1.4rem);color:#e0d8b0;max-width:600px;margin-bottom:40px;text-shadow:0 1px 3px rgba(0,0,0,0.3);animation:fadeInUp 1s ease-out 0.2s both;line-height:1.6}
.hero .button{background:linear-gradient(135deg,#c4a76f 0%,#dfbe82 50%,#c4a76f 100%);color:#0e0d0c;padding:16px 32px;font-size:1.1rem;border:none;border-radius:12px;cursor:pointer;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);text-decoration:none;font-weight:600;letter-spacing:1px;position:relative;overflow:hidden;box-shadow:0 6px 20px rgba(196,167,111,0.3);animation:fadeInUp 1s ease-out 0.4s both}
@keyframes fadeInUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
@media (max-width:767px){.navbar{display:none!important}.mobile-nav{display:flex;justify-content:center;align-items:center;position:fixed;bottom:0;left:0;right:0;background:linear-gradient(145deg,rgba(196,167,111,0.08) 0%,rgba(196,167,111,0.03) 100%);backdrop-filter:blur(10px);padding:16px 20px;z-index:1000;border-top:1px solid rgba(196,167,111,0.1);gap:8px}}
.mobile-nav{display:none}