:root{--blue:#1463ff;--blue-dark:#0c49cc;--text:#121826;--muted:#6d7688;--line:#e7eaf0;--bg:#f3f5f9;--card:#fff;--green:#16a768;--amber:#f2a31a;--red:#e34c4c;--radius:18px;--nav-height:76px;--nav-gap:calc(var(--nav-height) + env(safe-area-inset-bottom))}*{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;color:var(--text);-webkit-text-size-adjust:100%;margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer;border:0}img,svg,video{max-width:100%}:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}.portal-background{background:radial-gradient(circle at top,#fff 0,#f4f6fa 42%,#eef1f7 100%);min-height:100dvh}.phone-shell{width:100%;max-width:520px;min-height:100dvh;padding-bottom:calc(var(--nav-gap) + 10px);background:#fff;margin:0 auto;position:relative;box-shadow:0 0 42px #16254214}.page{padding:18px 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