:root{--blue:#149bdd;--cyan:#68d7ff;--navy:#10172d;--text:#151d33;--muted:#667188;--bg:#eef7fd;--card:#fff;--line:#dfeaf3;--soft:#e9f8ff;--green:#2fb36f;--orange:#f4a12a;--red:#d84b4b;--shadow:0 22px 70px rgba(16,42,72,.11)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top right,#dff6ff 0,#eef7fd 34%,#f7fbff 100%);color:var(--text)}button,input,select,textarea{font:inherit}.shell{min-height:100vh;display:flex}.side{width:285px;background:rgba(255,255,255,.9);border-right:1px solid var(--line);padding:24px 20px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;gap:20px;backdrop-filter:blur(14px)}.brandBox{display:flex;gap:13px;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--line)}.brandLogo{width:76px;height:76px;object-fit:contain;background:#fff;border-radius:14px;padding:6px;box-shadow:0 10px 30px rgba(12,37,60,.1)}.brandBox 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