.site-header{background:#fff;border-bottom:1px solid #eee;justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.site-header .logo{font-size:18px;font-weight:600}.site-header nav{gap:20px;display:flex}.site-header nav a{color:#555;font-size:14px;text-decoration:none}.site-header nav a:hover{color:#185fa5}@media (width<=500px){.site-header{flex-direction:column;gap:10px}.site-header nav{gap:14px}}.site-footer{text-align:center;color:#888;border-top:1px solid #eee;padding:20px;font-size:13px}.hero{text-align:center;padding:60px 20px 40px}.hero h1{margin-bottom:10px;font-size:28px}.hero p{color:#666;margin-bottom:20px}.search{border:1px solid #ddd;border-radius:8px;width:90%;max-width:400px;padding:12px 16px;font-size:15px}.categories{flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:30px;padding:0 20px;display:flex}.cat{cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:20px;padding:6px 14px;font-size:13px;transition:background .2s,transform .15s}.cat.active{color:#fff;background:#185fa5;border-color:#185fa5}.cat:hover{transform:translateY(-2px)}.tool-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;max-width:1000px;margin:0 auto;padding:0 20px 60px;display:grid}.tool-card{color:inherit;background:#fff;border:1px solid #eee;border-radius:12px;padding:20px;text-decoration:none;transition:transform .2s,box-shadow .2s}.tool-card:hover{transform:translateY(-4px);box-shadow:0 6px 16px #00000014}.tool-card .icon{color:#185fa5;font-size:20px;font-style:normal}.tool-card h3{margin:10px 0 4px;font-size:15px}.tool-card p{color:#777;font-size:13px}@media (width<=600px){.hero h1{font-size:22px}.tool-grid{grid-template-columns:repeat(2,1fr);gap:10px}}@media (width<=400px){.tool-grid{grid-template-columns:1fr}}.tool-container{max-width:700px;margin:40px auto;padding:0 20px}.tool-container h1{margin-bottom:8px;font-size:24px}.tool-container p{color:#666;margin-bottom:20px}.action-row button{color:#fff;cursor:pointer;background:#185fa5;border:none;border-radius:8px;padding:10px 22px;font-size:14px}.action-row button:hover:not(:disabled){background:#0c447c}.action-row button.secondary{color:#185fa5;background:#fff;border:1px solid #185fa5}.action-row button.secondary:hover{background:#f0f6fc}.link-btn{color:#185fa5;cursor:pointer;background:0 0;border:none;padding:0;font-size:13px}.link-btn:hover{text-decoration:underline}.status-msg{color:#666;margin-top:10px;font-size:13px}.how-to-use{margin-bottom:20px}.how-to-use summary{cursor:pointer;color:#185fa5;padding:8px 0;font-size:13px}.how-to-use summary:hover{text-decoration:underline}.how-to-use-content{color:#555;background:#f7f7f7;border-radius:8px;margin-top:6px;padding:12px 16px;font-size:13px;line-height:1.6}.trust-badge{color:#888;flex-wrap:wrap;gap:16px;margin-bottom:20px;font-size:12px;display:flex}.trust-badge span{align-items:center;gap:4px;display:flex}.toast{color:#fff;opacity:0;pointer-events:none;z-index:1000;background:#222;border-radius:8px;padding:10px 20px;font-size:13px;transition:opacity .25s,transform .25s;position:fixed;bottom:24px;left:50%;transform:translate(-50%)translateY(20px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.notice-box{color:#8a6d1a;background:#fff8e1;border:1px solid #f0d98c;border-radius:8px;margin-bottom:20px;padding:10px 14px;font-size:13px}*{box-sizing:border-box;margin:0;padding:0}body{color:#222;background:#f5f5f5;font-family:system-ui,sans-serif}html,body{height:100%}#app{flex-direction:column;min-height:100vh;display:flex}.page-content{flex:1}.back-home{color:#185fa5;margin:20px;font-size:13px;text-decoration:none;display:inline-block}.back-home:hover{text-decoration:underline}