:root{--primary-color:#3b82f6;--primary-hover:#2563eb;--secondary-color:#10b981;--background-color:#f9fafb;--card-background:#fff;--text-primary:#1f2937;--text-secondary:#6b7280;--text-light:#9ca3af;--error-color:#ef4444;--success-color:#10b981;--shadow:0 8px 24px rgba(0, 0, 0, 0.10);--border-radius:8px;--transition:all 0.3s ease}body{margin:0;padding:0;background-color:var(--background-color);background-image:linear-gradient(135deg,#f0f4ff 0,#e5e9f0 100%);min-height:100vh;display:flex;justify-content:center;align-items:center;font-family:"Microsoft YaHei Bold";color:var(--text-primary);box-sizing:border-box}#app{width:100%}.auth-container{width:100%;max-width:520px;box-sizing:border-box;padding:24px;margin:0 auto;box-shadow:var(--shadow);border-radius:var(--border-radius);background-color:var(--card-background);transition:var(--transition);position:relative;overflow:hidden}.auth-container::before{content:"";position:absolute;top:-50px;right:-50px;width:100px;height:100px;background-color:rgba(59,130,246,.1);border-radius:50%;z-index:0}.auth-container::after{content:"";position:absolute;bottom:-50px;left:-50px;width:100px;height:100px;background-color:rgba(16,185,129,.1);border-radius:50%;z-index:0}.title{text-align:center;margin-bottom:16px;margin-top:12px;color:var(--text-primary);font-weight:700;font-size:1.125rem;position:relative;z-index:1}.subtitle{text-align:center;margin-top:-20px;margin-bottom:24px;color:var(--text-secondary);font-size:.875rem}.brand-logo{text-align:center;margin-bottom:12px;position:relative;z-index:1}.brand-logo img,.brand-logo svg{height:56px;margin-bottom:12px;filter:drop-shadow(0 2px 8px rgba(0, 0, 0, .08))}.form-login{margin-top:16px}.el-form-item{margin-bottom:16px;position:relative;z-index:1}.el-form-item__label{font-weight:500;color:var(--text-primary)}.el-input__inner{border-radius:8px;padding:8px 12px;height:36px;transition:var(--transition)}.el-input__inner:focus,.el-input__inner:hover{border-color:var(--primary-color)}.el-input.is-focus .el-input__inner{border-color:var(--primary-color);box-shadow:0 0 0 2px rgba(59,130,246,.2)}.el-input__prefix{left:12px}.el-input--prefix .el-input__inner{padding-left:35px}.el-input 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i{font-size:15px}.google-button-wrapper{width:100%;min-height:40px;display:flex;flex-direction:column}.turnstile-wrapper{display:flex;flex-direction:column;margin-bottom:8px;width:100%}.turnstile-wrapper .cf-turnstile{width:100%}.google-btn-container{display:flex;justify-content:center;width:100%}.google-btn-container iframe{max-width:100%!important}.g_id_signin{width:100%}.nsm7Bb-HzV7m-LgbsSe-BPrWId{margin-left:-16px!important}#googleButtonDiv iframe{margin:0 auto!important}.nsm7Bb-HzV7m-LgbsSe{margin:0 auto!important}@keyframes shimmer-slide{0%{background-position:200% 0}100%{background-position:-200% 0}}.shimmer{background:linear-gradient(90deg,#efefef 25%,#e0e0e0 50%,#efefef 75%);background-size:200% 100%;animation:shimmer-slide 1.4s infinite ease-in-out}.turnstile-skeleton{width:100%;height:65px;border:1px solid #e8e8e8;border-radius:4px;background:#fafafa;display:flex;align-items:center;padding:0 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