:root{--siemens-petrol: #009999;--siemens-petrol-light: #00b3b3;--siemens-petrol-dark: #007a7a;--siemens-dark: #1a1a2e;--siemens-gray: #666;--siemens-light: #f5f7fa;--siemens-border: #e0e0e0}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--siemens-light);color:#333}#root{min-height:100vh}.ant-btn-primary{background:var(--siemens-petrol)!important;border-color:var(--siemens-petrol)!important}.ant-btn-primary:hover{background:var(--siemens-petrol-light)!important;border-color:var(--siemens-petrol-light)!important}.ant-steps-item-process .ant-steps-item-icon{background:var(--siemens-petrol)!important;border-color:var(--siemens-petrol)!important}.ant-steps-item-finish .ant-steps-item-icon{border-color:var(--siemens-petrol)!important}.ant-steps-item-finish .ant-steps-item-icon>.ant-steps-icon{color:var(--siemens-petrol)!important}.ant-steps-item-finish>.ant-steps-item-container>.ant-steps-item-content>.ant-steps-item-title:after{background:var(--siemens-petrol)!important}.ant-tabs-ink-bar{background:var(--siemens-petrol)!important}.ant-tabs-tab.ant-tabs-tab-active .ant-tabs-tab-btn{color:var(--siemens-petrol)!important}.ant-collapse>.ant-collapse-item>.ant-collapse-header{align-items:center!important}.result-card{border-radius:8px;border:1px solid var(--siemens-border);transition:box-shadow .3s}.result-card:hover{box-shadow:0 4px 12px #0099991a}.validation-pass{color:#52c41a;font-weight:500}.validation-fail{color:#ff4d4f;font-weight:500}.app-footer{text-align:center;padding:24px 50px;background:var(--siemens-dark);color:#ffffffb3}.app-footer a{color:var(--siemens-petrol-light)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-fade-in{animation:fadeIn .3s ease-out}