:root{--bg:#E8EBF0;--ink:#14243D;--gold:#C9B079;--muted:#748093;--line:#e4e8ed;--white:#fff;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:14px}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{opacity:.48;cursor:not-allowed}[hidden]{display:none!important}.account-form{border-top:1px solid var(--line);padding:20px 0;margin-bottom:22px}.account-form .form-help{align-self:end;color:var(--muted);font-size:12px;padding-bottom:10px}.account-form .actions{margin-top:14px}.account-form input:invalid{border-color:#c95757}.account-form input:focus:invalid{outline:2px solid rgba(201,87,87,.2)}#account-list td{vertical-align:middle}.empty-cell{padding:28px;text-align:center;color:var(--muted)}.account-form{border-top:1px solid var(--line);padding:20px 0;margin-bottom:22px}.account-form .form-help{align-self:end;color:var(--muted);font-size:12px;padding-bottom:10px}.account-form .actions{margin-top:14px}.account-form input:invalid{border-color:#c95757}.account-form input:focus:invalid{outline:2px solid rgba(201,87,87,.2)}#account-list td{vertical-align:middle}.empty-cell{padding:28px;text-align:center;color:var(--muted)}.admin-shell{display:flex;min-height:100vh}.sidebar{width:236px;flex-shrink:0;background:var(--ink);color:#fff;padding:32px 22px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;font-size:18px;font-weight:700;letter-spacing:.5px}.brand-mark{background:var(--gold);color:var(--ink);border-radius:10px;width:40px;height:40px;display:grid;place-items:center;font-size:23px}.brand 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20px;max-width:1800px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:25px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:#8690a0}h1{font-size:28px;margin:8px 0 0;font-weight:650;letter-spacing:1px}h2{font-size:18px;margin:0;font-weight:650}h3{font-size:15px}.header-actions,.actions{display:flex;gap:10px;align-items:center}.account-badge{font-size:12px;color:#637084;border:1px solid #d5dbe4;border-radius:30px;padding:8px 14px}.button{display:inline-flex;justify-content:center;align-items:center;gap:6px;border:1px solid transparent;padding:11px 18px;border-radius:7px;font-size:13px;font-weight:600;line-height:1.3;white-space:nowrap}.button.primary{background:var(--ink);color:#fff}.button.primary:hover{background:#233c5e}.button.secondary{border-color:#d6dce5;color:var(--ink);background:#fff}.button.secondary:hover{background:#f4f6f8}.button.small{padding:7px 12px;font-size:12px}.notice{padding:13px 17px;border:1px solid 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