feat ui设计稿bug修复

diag.js

@@ -0,0 +1,19 @@
+// @ts-nocheck
+// 诊断：点页签后输出祖先链几何，定位额外间距来源
+const TAB = Number(process.argv[2] || 2)
+const TARGET = process.argv[3] || '.project-files__list'
+
+const js = `(async function(){
+  const tabs = document.querySelectorAll(".project-detail__tab");
+  if (${TAB} > 0 && tabs[${TAB} - 1]) { tabs[${TAB} - 1].click(); await new Promise(r => setTimeout(r, 900)); }
+  let el = document.querySelector(${JSON.stringify(TARGET)});
+  const chain = [];
+  while (el && chain.length < 6) {
+    const r = el.getBoundingClientRect();
+    const cs = getComputedStyle(el);
+    chain.push({ cls: (el.className || '').toString().slice(0, 40), y: +r.y.toFixed(1), h: +r.height.toFixed(1), mt: cs.marginTop, pt: cs.paddingTop, pb: cs.paddingBottom, gap: cs.gap, rowGap: cs.rowGap });
+    el = el.parentElement;
+  }
+  return JSON.stringify(chain, null, 0);
+})()`
+console.log(js)