.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:hidden}.login-background{position:absolute;width:100%;height:100%;background:url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjAwIiBoZWlnaHQ9IjIwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48Y2lyY2xlIGN4PSIxMDAiIGN5PSIxMDAiIHI9IjgwIiBmaWxsPSJyZ2JhKDI1NSwyNTUsMjU1LDAuMSkiLz48L3N2Zz4=);opacity:.3;animation:float 20s ease-in-out infinite}@keyframes float{0%,to{transform:translate(0) scale(1)}50%{transform:translate(20px,-20px) scale(1.1)}}.login-card{position:relative;z-index:1;width:420px;padding:20px;box-shadow:0 10px 40px #0003;border-radius:16px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.login-header{text-align:center;margin-bottom:32px}.login-title{color:#1890ff;font-weight:600;margin-bottom:8px!important}.login-subtitle{color:#666;font-weight:400;margin-top:0!important}.login-button{height:44px;font-size:16px;font-weight:500;background:linear-gradient(135deg,#667eea,#764ba2);border:none;transition:all .3s ease}.login-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.login-tips{margin-top:16px;padding-top:16px;border-top:1px solid #f0f0f0}.login-tips p{text-align:center;color:#999;font-size:12px;margin:0}.login-card .ant-form-item{margin-bottom:24px}.login-card .ant-input-affix-wrapper{padding:12px 16px;border-radius:8px;border:1px solid #d9d9d9;transition:all .3s}.login-card .ant-input-affix-wrapper:hover{border-color:#40a9ff;box-shadow:0 2px #1890ff1a}.login-card .ant-input-affix-wrapper-focused,.login-card .ant-input-affix-wrapper:focus{border-color:#1890ff;box-shadow:0 0 0 2px #1890ff33}.login-card .ant-input{font-size:14px}.captcha-image{width:100px;height:40px;border-radius:4px;overflow:hidden;cursor:pointer;border:1px solid #d9d9d9;display:flex;align-items:center;justify-content:center;background:#f0f2f5;transition:all .3s}.captcha-image:hover{border-color:#40a9ff;box-shadow:0 2px 4px #1890ff33}.captcha-image img{width:100%;height:100%;object-fit:cover}.captcha-image .anticon{font-size:20px;color:#1890ff}.login-card .ant-checkbox-wrapper{color:#666;font-size:14px}.login-card .ant-checkbox-wrapper:hover{color:#1890ff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;height:100vh}