:root{--ink:#15171c;--muted:#6b6f7a;--line:#e3e4e8;--paper:#f5f4ef;--panel:#ffffff;--blue:#4b50f6;--yellow:#fff326;--green:#19a966;--danger:#d33b43}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}a{color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}.portal{min-height:100vh}.portal-header{position:sticky;top:0;z-index:20;justify-content:space-between;gap:20px;padding:14px max(24px,calc((100vw - 1280px) / 2));background:rgba(245,244,239,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.portal-brand,.portal-header{display:flex;align-items:center}.portal-brand{gap:12px;text-decoration:none}.portal-logo{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--ink);color:white;font-weight:900}.portal-logo i{color:var(--yellow);font-style:normal}.portal-brand span{display:grid}.portal-brand small{color:var(--muted);font-size:11px;letter-spacing:.12em}.portal-actions{display:flex;align-items:center;gap:10px}.portal-user{color:var(--muted);font-size:13px}.portal-main{width:min(1280px,calc(100% - 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