fix(V0.2): 全局禁用非编辑框文字选中 + 标题类文本溢出省略

- * 级 user-select/touch-callout 禁用, input/textarea/contenteditable 放行
- 项目列表标题、项目管理导航标题、看板列名: 单行省略
- 弹层 sheet-title 限两行截断, sheet-sub 单行省略 (任务详情 200 字标题
  不再撑爆弹层头部)

src/styles/globals.css

@@ -23,6 +23,13 @@
 
 * { box-sizing: border-box; margin: 0; padding: 0; }
 
+/* 全局禁用非编辑类文字的选中/长按菜单 (输入框除外);
+   各页面原有的局部规则保留但不再必要 */
+* { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
+input, textarea, [contenteditable="true"], [contenteditable=""] {
+  -webkit-user-select: text; user-select: text; -webkit-touch-callout: default;
+}
+
 html, body, #root {
   height: 100%;
   background: var(--color-bg);
@@ -973,7 +980,10 @@ body.me-safe-top .app-safe-top { height: 0; }
   justify-content: center; color: #fff; font-size: 14px; font-weight: 700; flex-shrink: 0;
 }
 .proj-item .pmain { flex: 1; min-width: 0; }
-.proj-item .ptitle { font-size: 14.5px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
+.proj-item .ptitle {
+  font-size: 14.5px; font-weight: 600; display: flex; align-items: center; gap: 6px;
+  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
+}
 .proj-item .psub { font-size: 11.5px; color: var(--color-muted); margin-top: 2px; }
 .proj-item .pcount { font-size: 15px; color: #c0c4cc; flex-shrink: 0; }
 .badge { font-size: 10px; color: #ad6800; background: #fff7e6; border-radius: 4px; padding: 0 5px; font-weight: 400; }
@@ -1057,7 +1067,7 @@ body.me-safe-top .app-safe-top { height: 0; }
 }
 .bcol { flex: 0 0 186px; display: flex; flex-direction: column; min-height: 0; }
 .bcol-head { display: flex; align-items: center; gap: 5px; padding: 0 2px 7px; flex-shrink: 0; }
-.bcol-name { font-size: 12px; font-weight: 700; color: #3d4450; }
+.bcol-name { font-size: 12px; font-weight: 700; color: #3d4450; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
 .bcol-cnt { font-size: 11px; color: #999; background: #e8ebef; border-radius: 999px; padding: 0 6px; line-height: 15px; }
 .bcol-bind { font-size: 10px; color: var(--color-primary); background: #f0f5ff; border-radius: 4px; padding: 0 4px; margin-left: auto; }
 .bcol-bind.off { color: #999; background: #f2f3f5; }
@@ -1103,7 +1113,10 @@ body.me-safe-top .app-safe-top { height: 0; }
 .cs-page { position: fixed; inset: 0; z-index: 1000; background: var(--color-bg); display: flex; flex-direction: column; padding-top: var(--safe-top); }
 .cs-page .navbar-sub { display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: #fff; border-bottom: 1px solid var(--color-border); flex-shrink: 0; }
 .cs-page .navbar-sub .back { font-size: 20px; color: #666; line-height: 1; cursor: pointer; }
-.cs-page .navbar-sub .title { font-size: 16px; font-weight: 700; }
+.cs-page .navbar-sub .title {
+  font-size: 16px; font-weight: 700;
+  min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
+}
 .cs-page .navbar-sub .right { margin-left: auto; display: flex; gap: 6px; }
 .cs-body { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding-bottom: 20px; }
 .set-row {
@@ -1125,8 +1138,14 @@ body.me-safe-top .app-safe-top { height: 0; }
 .cs-count { font-size: 11px; color: #999; margin-left: 8px; }
 
 /* ---- 任务详情 ---- */
-.sheet-title { font-size: 16px; font-weight: 700; margin-bottom: 4px; word-break: break-word; }
-.sheet-sub { font-size: 11.5px; color: #999; margin-bottom: 14px; }
+.sheet-title {
+  font-size: 16px; font-weight: 700; margin-bottom: 4px; word-break: break-word;
+  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
+}
+.sheet-sub {
+  font-size: 11.5px; color: #999; margin-bottom: 14px;
+  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
+}
 .field { margin-bottom: 13px; }
 .field label { display: block; font-size: 12px; color: var(--color-muted); margin-bottom: 6px; }
 .inp {