:root{--omss-primary: #8B7355;--omss-primary-light: #A0845C;--omss-primary-dark: #6B5B45;--omss-bg: #F5F0EB;--omss-bg-light: #FAF8F5;--omss-header-height: 64px;--omss-sidebar-width: 220px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--omss-bg);color:#333}.app-layout{min-height:100vh}.app-layout .ant-layout-sider{background:#fff;box-shadow:2px 0 8px #0000000f}.app-layout .ant-layout-header{background:#fff;padding:0 24px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px #0000000f;height:var(--omss-header-height);line-height:var(--omss-header-height);position:sticky;top:0;z-index:10}.app-layout .ant-layout-content{margin:24px;min-height:280px}.page-header{margin-bottom:24px}.page-header h2{margin:0;font-size:24px;color:var(--omss-primary-dark)}.page-header p{margin:4px 0 0;color:#666}.content-card{background:#fff;border-radius:8px;padding:24px;box-shadow:0 1px 4px #0000000f}.stat-card{background:#fff;border-radius:8px;padding:24px;box-shadow:0 1px 4px #0000000f;text-align:center}.stat-card .stat-number{font-size:32px;font-weight:700;color:var(--omss-primary)}.stat-card .stat-label{font-size:14px;color:#666;margin-top:4px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--omss-bg) 0%,var(--omss-bg-light) 100%)}.login-card{width:420px;padding:40px;background:#fff;border-radius:12px;box-shadow:0 4px 24px #0000001a}.login-card h1{text-align:center;color:var(--omss-primary-dark);margin-bottom:8px;font-size:28px}.login-card .subtitle{text-align:center;color:#999;margin-bottom:32px;font-size:14px}.paper-detail .ant-descriptions-item-label{font-weight:600}.status-timeline{margin-top:24px}.upload-area{border:2px dashed #d9d9d9;border-radius:8px;padding:24px;text-align:center;cursor:pointer;transition:border-color .3s}.upload-area:hover{border-color:var(--omss-primary)}@media (max-width: 768px){.login-card{width:90%;padding:24px}.app-layout .ant-layout-content{margin:16px}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d9d9d9;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#bbb}