Under the physical framework of a single neutral neutrino field and a fundamental quantum vacuum fluid grid, this study establishes a geometric and topological mechanics picture of atomic structure. Conventional Standard Model approaches rely on elementary particle hypotheses—such as gauge bosons (gluons, W/Z bosons, and photons) and quarks—to mediate basic forces, incorporating numerous higher-order corrections and arbitrary parameters. This work deconstructs the atomic nucleus into a condensation region of high-density baryon amplitude envelopes, while identifying electrons as high-frequency, phase-locked wave packets surrounding the nucleus. Within this picture, the strong interaction is geometricized as topological flux tube tension resulting from envelope overlap at the femtometer scale, where asymptotic freedom naturally corresponds to the vanishing of phase gradients and tension unloading during extreme overlap. The weak interaction is expressed as local topological phase unlocking and rearrangement accompanied by longitudinal spinor pulse emission during beta decay. The electromagnetic interaction is modeled as geometric polarization and transverse wave packet excitations of the background fluid. Illustrative quantitative relations and energy transition integrals are outlined, and perspectives for future quantitative field theory reproduction are discussed. Furthermore, five prioritized experimental verification schemes using existing and near-future precision instruments are proposed, ranging from isotope decay rate dependencies on gravitational potential to ultra-cold atomic spectroscopy grid modulations. This hypothesis demonstrates that subatomic forces and atomic structures emerge naturally from the fluid geometry and topological dynamics of a single underlying field.