diff --git a/daily_report/static/report-hero.png b/daily_report/static/report-hero.png
new file mode 100644
index 0000000..0560770
Binary files /dev/null and b/daily_report/static/report-hero.png differ
diff --git a/daily_report/static/styles.css b/daily_report/static/styles.css
index f94f648..8776021 100644
--- a/daily_report/static/styles.css
+++ b/daily_report/static/styles.css
@@ -2,11 +2,14 @@
 body {
   margin: 0;
   font-family: Arial, "Microsoft YaHei", sans-serif;
-  background: #f6f7f9;
+  background:
+    radial-gradient(circle at 18% 10%, rgba(255, 204, 116, 0.32), transparent 28%),
+    radial-gradient(circle at 86% 4%, rgba(91, 190, 226, 0.22), transparent 26%),
+    linear-gradient(180deg, #fff8ed 0%, #f6f7fb 42%, #f6f7f9 100%);
   color: #1f2937;
 }
-.shell { width: min(1120px, calc(100% - 32px)); margin: 32px auto; }
-.narrow { width: min(720px, calc(100% - 32px)); }
+.shell { width: min(1120px, calc(100% - 32px)); margin: 28px auto; }
+.narrow { width: min(780px, calc(100% - 32px)); }
 .topbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
 h1 { margin: 0 0 8px; font-size: 28px; }
 h2 { font-size: 18px; }
@@ -17,6 +20,50 @@ p { color: #5b6472; }
   border-radius: 8px;
   padding: 16px;
 }
+.submit-hero {
+  min-height: 178px;
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) 230px;
+  gap: 20px;
+  align-items: center;
+  margin-bottom: 18px;
+  padding: 24px 28px;
+  border: 1px solid #f3d49a;
+  border-radius: 18px;
+  background:
+    linear-gradient(135deg, rgba(255, 248, 225, 0.96), rgba(230, 246, 255, 0.96)),
+    #fff;
+  box-shadow: 0 18px 45px rgba(39, 45, 58, 0.08);
+  overflow: hidden;
+}
+.submit-hero-copy { min-width: 0; }
+.hero-kicker {
+  display: inline-flex;
+  margin: 0 0 8px;
+  padding: 4px 10px;
+  border-radius: 999px;
+  background: #fff7d6;
+  color: #9a5b00;
+  font-size: 13px;
+  font-weight: 700;
+}
+.submit-hero h1 {
+  margin: 0 0 8px;
+  font-size: 32px;
+}
+.submit-hero p {
+  max-width: 420px;
+  margin: 0;
+}
+.submit-hero-image {
+  width: 230px;
+  max-width: 100%;
+  justify-self: end;
+  filter: drop-shadow(0 12px 16px rgba(31, 41, 55, 0.14));
+}
+form.panel, .history-panel, .previous-plan {
+  box-shadow: 0 14px 34px rgba(39, 45, 58, 0.06);
+}
 form { display: grid; gap: 14px; }
 label { display: grid; gap: 6px; font-weight: 600; }
 input, textarea, button {
@@ -90,11 +137,18 @@ button {
   justify-content: center;
 }
 .add-item {
+  width: auto;
+  min-width: 92px;
+  padding: 0 12px;
   border: 1px solid #2563eb;
   background: #fff;
   color: #2563eb;
-  font-size: 22px;
-  line-height: 1;
+  font-size: 14px;
+  font-weight: 700;
+}
+.add-item::after {
+  content: " 添加一条";
+  font-size: 13px;
 }
 .remove-item {
   border: 1px solid #e5e7eb;
@@ -173,4 +227,12 @@ pre {
 @media (max-width: 760px) {
   .topbar, .stats, .history-head, .report-head { display: grid; }
   .filters, .report-grid { grid-template-columns: 1fr; }
+  .submit-hero {
+    grid-template-columns: 1fr;
+    padding: 20px;
+  }
+  .submit-hero-image {
+    width: 180px;
+    justify-self: center;
+  }
 }
diff --git a/daily_report/web.py b/daily_report/web.py
index 8b592fa..1d66748 100644
--- a/daily_report/web.py
+++ b/daily_report/web.py
@@ -60,7 +60,14 @@ def submit_page(current_date: str, session: dict[str, str] | None = None) -> byt
         "每日报告",
         f"""
 <main class="shell narrow">
-  <h1>每日工作汇报</h1>
+  <section class="submit-hero">
+    <div class="submit-hero-copy">
+      <p class="hero-kicker">今日收尾小站</p>
+      <h1>每日工作汇报</h1>
+      <p>把今天的进展、明天的计划和需要协助的地方简单记下来。</p>
+    </div>
+    <img src="/static/report-hero.png" alt="" class="submit-hero-image">
+  </section>
   <form id="report-form" class="panel">
     {identity_html}
     <label>日期<input id="report-date" name="report_date" type="date" required value="{escape(current_date)}"></label>
@@ -506,7 +513,14 @@ class DailyReportHandler(BaseHTTPRequestHandler):
         if not file_path.exists():
             self._json(404, {"error": "not found"})
             return
-        content_type = "application/javascript; charset=utf-8" if file_path.suffix == ".js" else "text/css; charset=utf-8"
+        content_types = {
+            ".css": "text/css; charset=utf-8",
+            ".js": "application/javascript; charset=utf-8",
+            ".png": "image/png",
+            ".jpg": "image/jpeg",
+            ".jpeg": "image/jpeg",
+        }
+        content_type = content_types.get(file_path.suffix.lower(), "application/octet-stream")
         self._send(200, file_path.read_bytes(), content_type)
 
 
diff --git a/tests/test_web.py b/tests/test_web.py
index f2e72b2..d86783f 100644
--- a/tests/test_web.py
+++ b/tests/test_web.py
@@ -66,6 +66,7 @@ class WebTest(unittest.TestCase):
             status, submit = get(f"{base_url}/submit")
             self.assertEqual(status, 200)
             self.assertIn("每日工作汇报", submit)
+            self.assertIn("/static/report-hero.png", submit)
             self.assertIn("今日状态", submit)
             self.assertIn('data-list="today_done"', submit)
             self.assertIn('data-add-list="today_done"', submit)
@@ -85,6 +86,10 @@ class WebTest(unittest.TestCase):
             status, manager = get_with_cookie(f"{base_url}/manager", admin_cookie())
             self.assertEqual(status, 200)
             self.assertIn("日报浏览", manager)
+
+            with urllib.request.urlopen(f"{base_url}/static/report-hero.png", timeout=5) as response:
+                self.assertEqual(response.status, 200)
+                self.assertEqual(response.headers["content-type"], "image/png")
         finally:
             server.shutdown()
             server.server_close()