:root{--ink:#17211c;--deep:#1f2b25;--green:#315f4b;--green2:#e7eee8;--paper:#f5f2eb;--card:#fffefa;--line:#d9d7ce;--muted:#6f756f;--red:#9b4e44;--amber:#9b7133;--blue:#4f6872;--shadow:0 14px 40px rgba(24,34,29,.08);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;background:var(--paper)}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 70% 20%,#dde6dd 0,transparent 32%),linear-gradient(135deg,#edf0e9,#f7f2e8)}.login-card{width:min(420px,100%);padding:44px;background:rgba(255,254,250,.96);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.login-card .seal{width:56px;height:56px;display:grid;place-items:center;border:1px solid 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