灰银水平渐变条纹理

极简抽象数字纹理，纯白背景上从上到下等距排列六条横贯画面的水平长条，长条为银灰至深灰的金属渐变，上下边缘有细窄深色线，左右两端各带小块深色端帽；所有长条等宽、间距均匀，正面平视、无透视、无中心主体，全幅横向构图，冷灰中性色调，柔和渐变与细微颗粒质感，画幅比例约2:1。

Minimal abstract digital texture: six long horizontal silver-gray bars spanning the full width, evenly spaced from top to bottom on a pure white background; each bar has a metallic gray gradient with thin dark top and bottom edges and small dark end caps at both ends; equal widths, even spacing, front-facing flat view, no perspective, no central subject, full-frame horizontal composition, neutral cool gray palette, soft gradients and subtle grain, aspect ratio about 2:1.