*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;background:#f8fafc;color:#1e293b;line-height:1.6;position:relative;min-height:100vh}#app{position:relative;padding:0}nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10;box-shadow:0 2px 20px #00000014;border-bottom:1px solid rgba(226,232,240,.8)}.logo{font-size:1.5rem;font-weight:700;color:#3b82f6;background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:#64748b;text-decoration:none;padding:.5rem .8rem;border-radius:8px;transition:all .3s ease;position:relative;font-weight:500}.nav-links a:hover,.nav-links a.active{color:#3b82f6;background:#3b82f61a}.nav-links a.active:after{content:"";position:absolute;bottom:-5px;left:0;width:100%;height:2px;background:linear-gradient(90deg,#3b82f6,#8b5cf6);border-radius:1px}.nav-emoji{margin-left:5px;font-size:1.2rem}.hamburger{display:none;cursor:pointer}.bar{width:25px;height:3px;background:#3b82f6;margin:5px 0;transition:all .3s ease;border-radius:2px}header{text-align:center;padding:4rem 2rem}h1{font-size:3.5rem;margin-bottom:1rem;font-weight:800;background:linear-gradient(135deg,#3b82f6,#8b5cf6,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:none}@keyframes glow{0%{text-shadow:0 0 10px rgba(100,255,218,.5)}to{text-shadow:0 0 20px rgba(100,255,218,.8)}}.subtitle{font-size:1.5rem;color:#64748b;font-weight:500}.hero-desc{font-size:1.1rem;color:#64748b;margin-top:1rem;max-width:600px;margin-left:auto;margin-right:auto;font-weight:400}.tool-section{margin:3rem 0;padding:0 2rem;max-width:1200px;margin-left:auto;margin-right:auto}.section-title{font-size:2rem;color:#1e293b;margin-bottom:2rem;text-align:center;font-weight:700;text-shadow:none}.tool-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-bottom:2rem}.card{background:#fff;padding:2rem;border-radius:16px;box-shadow:0 4px 6px #0000000d,0 1px 3px #0000001a;transition:all .3s ease;border:1px solid rgba(226,232,240,.8);cursor:pointer;text-align:center;position:relative}.card.featured{border:2px solid #3b82f6;background:linear-gradient(135deg,#3b82f60d,#8b5cf60d);transform:scale(1.02)}.card.featured:before{content:"⭐ 推荐";position:absolute;top:-10px;right:10px;background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff;padding:.3rem .8rem;border-radius:15px;font-size:.8rem;font-weight:600;box-shadow:0 4px 8px #3b82f64d}.tool-link{display:inline-block;margin-top:1rem;padding:.8rem 1.5rem;background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff;text-decoration:none;border-radius:25px;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px #3b82f64d}.tool-link:hover{transform:translateY(-2px);box-shadow:0 8px 25px #3b82f666;color:#fff}.card:hover{transform:translateY(-5px);box-shadow:0 20px 25px #0000001a,0 10px 10px #0000000a;border-color:#3b82f64d}.emoji{font-size:2.5rem;margin-bottom:1rem;display:inline-block}.card .emoji{animation:float 3s ease-in-out infinite}.tool-logo{width:60px;height:60px;margin-bottom:1rem;display:inline-block;object-fit:contain;animation:float 3s ease-in-out infinite}.tool-logo-big{width:100px;height:100px;margin-bottom:1rem;display:inline-block;object-fit:contain;animation:float 3s ease-in-out infinite}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}footer{margin-top:4rem;width:100%;padding:2rem 1rem;background:#fffffff2;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);text-align:center;border-top:1px solid rgba(226,232,240,.8)}.beian-info{display:flex;justify-content:center;align-items:center;gap:1rem;font-size:.9rem;flex-wrap:wrap}.beian-icon{height:20px;margin-right:5px}.separator{color:#64748b}a{color:#64748b;text-decoration:none;transition:color .3s ease}a:hover{color:#3b82f6}@media (max-width: 768px){h1{font-size:2.5rem}.subtitle{font-size:1.2rem}.hero-desc{font-size:1rem;padding:0 1rem}.tool-section{padding:0 1rem}.section-title{font-size:1.5rem}.tool-cards{grid-template-columns:1fr;gap:1.5rem}.hamburger{display:block}.nav-links{position:fixed;top:70px;left:-100%;flex-direction:column;background:#fffffff2;width:100%;padding:1rem;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(226,232,240,.8)}.nav-links.active{left:0}}@media (max-width: 480px){.beian-info{flex-direction:column;gap:.5rem}.separator{display:none}footer{padding:.8rem}}.friend-links{text-align:center;margin-bottom:15px;padding:10px 0;border-bottom:1px solid #eee}.friend-links p{margin:0;color:#666;font-size:14px}.friend-links a{color:#007bff;text-decoration:none;margin:0 8px;transition:color .3s ease}.friend-links a:hover{color:#0056b3;text-decoration:underline}.site-description{text-align:center;margin:15px 0;padding:10px 0;border-bottom:1px solid #eee}.site-description p{margin:5px 0;color:#666;font-size:14px;line-height:1.5}.site-description p:first-child{color:#333;font-weight:500;font-size:15px}