diff --git a/public/css/components.css b/public/css/components.css
index e074e77f..6eae3bb8 100644
--- a/public/css/components.css
+++ b/public/css/components.css
@@ -1030,6 +1030,12 @@
 .topbar__center { display: flex; flex-direction: column; align-items: center; gap: .03rem; text-align: center; }
 .topbar__title { display: flex; align-items: center; gap: .18rem; font-size: calc(.3 * var(--t)); font-weight: 700; letter-spacing: .1em; line-height: 1.2; }
 .topbar__sep { width: 1px; height: .28rem; background: var(--line-2); }
+/* the lobby's ⚙ / 📖 / install squares: a size up from `sm` and spaced apart; on touch screens at least 40 px each with
+   a 10 px gap, so their 44 px hit areas (css/devices.css) never overlap and a tap lands on the intended one */
+.topbar__tools { display: flex; align-items: center; gap: .14rem; }
+.topbar__tools .btn--square.btn--sm { --sq: .46rem; height: var(--sq); min-width: var(--sq); }
+.sp-coarse .topbar__tools { gap: max(.16rem, 10px); }
+.sp-coarse .topbar__tools .btn--square.btn--sm { --sq: max(.56rem, 40px); }
 .topbar__right { justify-self: end; display: flex; align-items: center; gap: .16rem; min-width: 0; }
 
 .section-label { display: flex; align-items: baseline; gap: .12rem; margin: 0 0 .14rem; font-size: calc(.2 * var(--t)); font-weight: 700; letter-spacing: .08em; }
@@ -1038,6 +1044,15 @@
 .me-chip { display: flex; align-items: center; gap: .12rem; padding: .06rem .18rem .06rem .06rem; border: 1px solid var(--line); background: rgba(0, 0, 0, .35); }
 .me-chip__text { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
 .me-chip__name { font-weight: 700; font-size: calc(.18 * var(--t)); max-width: 2.4rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+/* the lobby's chip doubles as the 统计数据 entry */
+.me-chip--btn {
+  font: inherit; color: inherit; text-align: left; cursor: pointer;
+  transition: border-color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
+}
+.me-chip--btn:hover { border-color: var(--mint-700); background: rgba(34, 42, 38, .6); }
+.me-chip--btn:active { transform: translateY(1px); }
+.me-chip__stats { flex: none; width: .2rem; height: .2rem; margin-left: .04rem; color: var(--mint-500); opacity: .7; }
+.me-chip--btn:hover .me-chip__stats { opacity: 1; }
 
 .crash { align-items: center; justify-content: center; }
 .crash__box {
diff --git a/public/css/screens/game.css b/public/css/screens/game.css
index 53e58a5a..190970de 100644
--- a/public/css/screens/game.css
+++ b/public/css/screens/game.css
@@ -520,6 +520,9 @@
    inside the label, so the label lays glyph and text out like the button itself */
 .settings-btn .btn__label { display: inline-flex; align-items: center; gap: .1rem; }
 .settings-btn .btn__icon { color: var(--mint-500); }
+/* square (the lobby's gear alone): the label box drops out so the gear sizes and centres against the button, like an `icon` */
+.settings-btn.btn--square .btn__label { display: contents; }
+.settings-btn.btn--square .btn__icon { width: 62%; height: 62%; } /* the gear glyph is drawn smaller in its box than the book */
 .set-list { display: flex; flex-direction: column; gap: .16rem; padding-top: .06rem; }
 .set-row { display: grid; grid-template-columns: minmax(0, 3.3rem) minmax(0, 1fr) auto; align-items: center; gap: .18rem; min-height: .44rem; }
 /* The label column may shrink (the label wraps) instead of pushing its control out of the modal: at 设置 →「文字大小」
diff --git a/public/js/screens/lobby.js b/public/js/screens/lobby.js
index 902648c0..71777520 100644
--- a/public/js/screens/lobby.js
+++ b/public/js/screens/lobby.js
@@ -309,25 +309,28 @@ export function LobbyScreen() {
       <div class="topbar__left">
         <${Button} variant="ghost" size="sm" icon="chevronLeft" onClick=${backToTitle} title=${t('返回标题')}>${t('返回')}<//>
         <${PingPill} ms=${conn.ping} online=${online} />
+        <span class="topbar__sep" aria-hidden="true"></span>
+        <div class="topbar__tools">
+          <${SettingsButton} class="lobby-settings" variant="secondary" square=${true} />
+          <${GuideButton} class="lobby-guide" variant="secondary" square=${true} />
+          <${PwaInstallButton} class="lobby-pwa" square=${true} />
+        </div>
       </div>
       <div class="topbar__center">
         <${MicroLabel} tone="mint">SIMULATION PROTOCOL SELECT<//>
         <h1 class="topbar__title">${t('选择模拟协议')}</h1>
       </div>
       <div class="topbar__right">
-        <${Button} variant="secondary" size="sm" icon="chart" class="stats-entry" onClick=${openStats} title=${t('统计数据')} aria-label=${t('统计数据')}>${t('统计')}<//>
         <${ResumeMatchButton} />
-        <${PwaInstallButton} class="lobby-pwa" />
-        <${SettingsButton} class="lobby-settings" variant="secondary" label=${t('设置')} />
-        <${GuideButton} class="lobby-guide" variant="secondary" label=${t('玩法说明')} />
         <${LoadoutButton} from="lobby" size="sm" class="lobby-loadout" label=${t('干员调配')} />
-        <div class="me-chip">
+        <button type="button" class="me-chip me-chip--btn stats-entry" onClick=${openStats} title=${t('统计数据')} aria-label=${t('统计数据')}>
           <${AvatarFrame} size="sm" name=${me.name} seat=${0} self=${true} />
-          <div class="me-chip__text">
+          <span class="me-chip__text">
             <span class="me-chip__name">${me.name || t('博士')}</span>
             <${MicroLabel}>${me.playerId != null ? `DOCTOR #${doctorNo(me.playerId)}` : 'DOCTOR'}<//>
-          </div>
-        </div>
+          </span>
+          <${Icon} name="chart" class="me-chip__stats" />
+        </button>
       </div>
     </header>
 
diff --git a/public/js/ui/components.js b/public/js/ui/components.js
index ea56ad73..ec4d57aa 100644
--- a/public/js/ui/components.js
+++ b/public/js/ui/components.js
@@ -76,6 +76,8 @@ export const ICONS = {
   wifiOff: { d: 'M2 17h3v4H2zm6-4h3v8H8zm6-4h3v12h-3zm6-4h3v16h-3zM2.4 1 23 21.6 21.6 23 1 2.4z' },
   expand: { d: 'M3 3h7v2H5v5H3zm11 0h7v7h-2V5h-5zM3 14h2v5h5v2H3zm16 0h2v7h-7v-2h5z' },
   collapse: { d: 'M8 3h2v7H3V8h5zm6 0h2v5h5v2h-7zM3 14h7v7H8v-5H3zm11 0h7v2h-5v5h-2z' },
+  // 添加到桌面 (add to home screen): a house outline with a + inside
+  homePlus: { d: 'M12 2 22 10.5V21H2V10.5zm0 2.6-8 6.8V19h16v-7.6zM11 10h2v2.5h2.5v2H13V17h-2v-2.5H8.5v-2H11z', eo: true },
   rotate: { d: 'M7 2h8a2 2 0 0 1 2 2v7h-2V4H7v16h4v2H7a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm8 12h5a2 2 0 0 1 2 2v4a2 2 0 0 1-2 2h-5a2 2 0 0 1-2-2v-4a2 2 0 0 1 2-2zm0 2v4h5v-4z', eo: true },
   book: { d: 'M2 4h7.5A3.5 3.5 0 0 1 12 5.1 3.5 3.5 0 0 1 14.5 4H22v16h-7.5a1.5 1.5 0 0 0-1.5 1.5h-2A1.5 1.5 0 0 0 9.5 20H2zm2 2v12h5.5c.5 0 1 .1 1.5.3V7.5A1.5 1.5 0 0 0 9.5 6zm10.5 0A1.5 1.5 0 0 0 13 7.5v10.8c.5-.2 1-.3 1.5-.3H20V6z', eo: true },
   // 观战 (spectator seats; the same eye as gameComponents.js GIcon 'eye')
diff --git a/public/js/ui/device.js b/public/js/ui/device.js
index e61219db..42905938 100644
--- a/public/js/ui/device.js
+++ b/public/js/ui/device.js
@@ -163,13 +163,17 @@ export function FullscreenButton({ class: cls = '' }) {
   </button>`;
 }
 
-/** Only a browser-issued install offer shows a button; installed and unsupported environments stay quiet. */
-export function PwaInstallButton({ class: cls = '', size = 'sm' }) {
+/**
+ * Only a browser-issued install offer shows a button; installed and unsupported environments stay quiet.
+ * `square`: the glyph alone (the lobby's top bar, beside ⚙ / 📖), the name stays title / aria-label.
+ */
+export function PwaInstallButton({ class: cls = '', size = 'sm', square = false }) {
   const [available, setAvailable] = useState(pwaInstall.available);
   useEffect(() => pwaInstall.subscribe(setAvailable), []);
   if (!available) return null;
-  return html`<${Button} variant="secondary" size=${size} icon="download" class=${cls}
-    data-testid="pwa-install" onClick=${() => pwaInstall.request()}>${t('添加到桌面')}<//>`;
+  return html`<${Button} variant="secondary" size=${size} icon="homePlus" square=${square} class=${cls}
+    title=${t('添加到桌面')} aria-label=${t('添加到桌面')}
+    data-testid="pwa-install" onClick=${() => pwaInstall.request()}>${square ? null : t('添加到桌面')}<//>`;
 }
 
 export function updateRotateHintPwaI18n(doc = globalThis.document) {
diff --git a/public/js/ui/settings.js b/public/js/ui/settings.js
index 1ab6cffe..313f54e3 100644
--- a/public/js/ui/settings.js
+++ b/public/js/ui/settings.js
@@ -289,11 +289,12 @@ export function SettingsModal({ open, onClose }) {
  * The 设置 button of the lobby and the room (GitHub #238 — before it the settings were reachable only from the title
  * screen and a running match): the twin of the 玩法说明 button (ui/guide.js GuideButton), with the settings modal behind it
  * (mounted only while open). The same modal as the title screen's and the match's: nothing in it is match-only.
- * @param {{ class?: string, size?: 'sm'|'md'|'lg'|'xl', variant?: string, label?: string }} props
+ * `square`: the gear alone (the lobby's top bar), the name stays title / aria-label — like GuideButton's.
+ * @param {{ class?: string, size?: 'sm'|'md'|'lg'|'xl', variant?: string, label?: string, square?: boolean }} props
  */
-export function SettingsButton({ class: cls, size = 'sm', variant = 'ghost', label = t('设置') }) {
+export function SettingsButton({ class: cls, size = 'sm', variant = 'ghost', label = t('设置'), square = false }) {
   const [open, setOpen] = useState(false);
-  return html`<${Button} variant=${variant} size=${size} class=${cx('settings-btn', cls)} onClick=${() => setOpen(true)}
-      title=${t('设置')} aria-label=${t('设置')} data-testid="settings-btn"><${GIcon} name="gear" class="btn__icon" />${label}<//>
+  return html`<${Button} variant=${variant} size=${size} square=${square} class=${cx('settings-btn', cls)} onClick=${() => setOpen(true)}
+      title=${t('设置')} aria-label=${t('设置')} data-testid="settings-btn"><${GIcon} name="gear" class="btn__icon" />${square ? null : label}<//>
     ${open ? html`<${SettingsModal} open=${true} onClose=${() => setOpen(false)} />` : null}`;
 }
diff --git a/test/ui/settings-entry.e2e.test.js b/test/ui/settings-entry.e2e.test.js
index 71979c2b..f81374ec 100644
--- a/test/ui/settings-entry.e2e.test.js
+++ b/test/ui/settings-entry.e2e.test.js
@@ -36,7 +36,7 @@ describe('the settings entry of the lobby and the room', { skip: !ENABLED && 'se
   const settingsBeforeGuide = (page, screen, guideClass) => page.evaluate((s, g) => {
     const btn = document.querySelector(`${s} [data-testid="settings-btn"]`);
     const guide = document.querySelector(`${s} .${g}`);
-    return !!btn && !!guide && btn.nextElementSibling === guide && /设置/.test(btn.textContent) && btn.querySelector('svg.btn__icon') != null;
+    return !!btn && !!guide && btn.nextElementSibling === guide && /设置/.test(btn.textContent || btn.getAttribute('aria-label')) && btn.querySelector('svg.btn__icon') != null;
   }, screen, guideClass);
   const modalText = (page) => page.evaluate(() => document.querySelector('.modal')?.textContent.replace(/\s+/g, ' ').trim() ?? null);
 
@@ -53,7 +53,7 @@ describe('the settings entry of the lobby and the room', { skip: !ENABLED && 'se
     await page.waitForSelector('.lobby-screen', { timeout: 15000 });
     await sleep(500);
 
-    assert.ok(await settingsBeforeGuide(page, '.lobby-screen .topbar__right', 'lobby-guide'), '设置 sits right before 玩法说明 in the lobby\'s top bar');
+    assert.ok(await settingsBeforeGuide(page, '.lobby-screen .topbar__left', 'lobby-guide'), '设置 (gear) sits right before 玩法说明 (book) on the left of the lobby\'s top bar');
     assert.equal(await modalText(page), null, 'closed until asked');
     await page.click('.lobby-screen [data-testid="settings-btn"]');
     await page.waitForSelector('.modal', { timeout: 5000 });
diff --git a/test/ui/stats.e2e.test.js b/test/ui/stats.e2e.test.js
index 8cd268ea..67d88f38 100644
--- a/test/ui/stats.e2e.test.js
+++ b/test/ui/stats.e2e.test.js
@@ -88,8 +88,8 @@ describe('统计数据 page (real server, headless Chrome)', { skip: !ENABLED &&
   }
   const texts = (c, sel) => c.page.$$eval(sel, (els) => els.map((e) => e.innerText.replace(/\s+/g, ' ').trim()));
   const stored = (c) => c.page.evaluate(() => { const r = localStorage.getItem('sp.pref.stats'); return r ? JSON.parse(r) : null; });
-  const openStats = async (c, from = '.lobby-screen .topbar__right .btn') => {
-    await c.click(from, '统计');
+  const openStats = async (c, from = '.lobby-screen .me-chip--btn') => {
+    await c.click(from, from.includes('me-chip') ? null : '统计');
     await c.page.waitForSelector('.st .st-tab', { visible: true, timeout: 15000 });
   };
   const toast = (c) => c.page.waitForFunction(() => document.querySelector('.toast')?.textContent || false, { timeout: 8000 }).then((h) => h.jsonValue());
@@ -305,7 +305,7 @@ describe('统计数据: the real flows (a fast real server, headless Chrome)', {
       assert.equal(env.records[0].players[0].roundsPassed, 1, 'one round cleared — the server\'s own count for a quit in round 2');
       assert.ok(env.records[0].players[0].bandId, 'its strategy');
       // the page: one game counted, one left out, both in the history
-      await c.click('.lobby-screen .topbar__right .btn', '统计');
+      await c.click('.lobby-screen .me-chip--btn');
       await c.page.waitForSelector('.st .st-card', { visible: true });
       assert.equal((await c.page.$$eval('.st-card__num', (els) => els.map((e) => e.textContent)))[0], '1');
       assert.match(await c.page.$eval('.st-rule', (e) => e.textContent), /另有 1 局未计入统计/);