*,*::before,*::after{box-sizing:border-box}html,body{height:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;line-height:1.5;color:var(--text-color)}body{display:flex;flex-direction:column;min-height:100vh}img{max-width:100%;height:auto}.container{max-width:1200px;margin:0 auto;padding:0;width:100%;box-sizing:border-box}main.container{flex:1;display:flex;flex-direction:column}div[id=app-container] .login-btn{margin-left:auto !important;float:right !important;background-color:var(--primary-color) !important;color:white !important}.search-button:hover:not(:disabled),button[type=submit]:hover:not(:disabled){background-color:var(--primary-dark) !important}.search-button:disabled,button[type=submit]:disabled{background-color:#99c2ff !important;cursor:not-allowed}.alert{display:block;padding:var(--spacing-sm) var(--spacing-md);margin-bottom:var(--spacing-lg);border-radius:var(--border-radius-sm);position:fixed;top:70px;right:20px;max-width:400px;z-index:1000;transition:opacity .5s ease-out;box-shadow:0 4px 12px rgba(0, 0, 0, 0.15)}.alert-success{background-color:var(--success-bg);color:var(--success-color);border:1px solid var(--success-border)}.alert-danger{background-color:var(--danger-bg);color:var(--danger-color);border:1px solid var(--danger-border)}.text-center{text-align:center}.mt-1{margin-top:var(--spacing-sm)}.mt-2{margin-top:var(--spacing-md)}.mt-3{margin-top:var(--spacing-lg)}.mb-1{margin-bottom:var(--spacing-sm)}.mb-2{margin-bottom:var(--spacing-md)}.mb-3{margin-bottom:var(--spacing-lg)}.spinner{width:20px;height:20px;border:2px solid rgba(0, 0, 0, 0.1);border-radius:50%;border-top-color:var(--primary-color);animation:spin 1s ease-in-out infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.wechat-qr-section{padding:20px;text-align:center}.qr-header{margin-bottom:20px}.back-btn{background:none;border:none;color:var(--primary-color);cursor:pointer;font-size:14px;margin-bottom:10px;padding:5px 10px}.back-btn:hover{background-color:#f5f5f5;border-radius:4px}.qr-container{display:flex;flex-direction:column;align-items:center;gap:16px}.qr-code{padding:20px;background:white;border-radius:8px;box-shadow:0 2px 10px rgba(0, 0, 0, 0.1)}.qr-code svg{display:block;max-width:200px;height:auto}.qr-instructions{color:#666;font-size:14px;margin:0}.qr-loading{display:flex;align-items:center;gap:8px;color:#999;font-size:14px}.qr-success,.qr-expired{padding:20px;text-align:center}.success-icon,.expired-icon{font-size:48px;margin-bottom:12px}.refresh-qr-btn{background-color:var(--primary-color);color:white;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;font-size:14px;margin-top:16px}.refresh-qr-btn:hover{background-color:var(--primary-dark)}@media(max-width: 768px){.top-header{padding:var(--spacing-sm) 0;margin-bottom:6px}.top-header-content{flex-wrap:nowrap}.logo a{font-size:var(--font-size-lg)}.login-btn,.logout-btn{font-size:var(--font-size-xs)}.qr-code svg{max-width:160px}}