diff --git a/src/App.vue b/src/App.vue
index 6b7844c..03ff741 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,50 +1,96 @@
 <script setup lang="ts">
 import MyHead from "@/components/MyHead.vue";
 import MyFooter from "@/components/MyFooter.vue";
+import { useRoute } from "vue-router";
+
+const route = useRoute();
 </script>
 
 <template>
-  <div class="login">
-    <el-container class="common-layout">
-      <el-header class="header">
+  <div class="app-shell">
+    <div class="bg-orb bg-orb-left"></div>
+    <div class="bg-orb bg-orb-right"></div>
+    <el-container class="shell-container">
+      <el-header class="shell-header">
         <MyHead />
       </el-header>
-      <el-main class="main-content">
-          <RouterView />
+      <el-main class="shell-main">
+        <Transition name="fade-up" mode="out-in">
+          <RouterView :key="route.fullPath" />
+        </Transition>
       </el-main>
-      <el-footer class="footer">
-        <MyFooter/>
+      <el-footer class="shell-footer">
+        <MyFooter />
       </el-footer>
     </el-container>
   </div>
 </template>
 
 <style scoped>
-#app {
-  margin: 0px 0px;
-}
-
-*{
-  padding:0px
-}
-
-.login {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  height: 100%;
-  background-size: cover;
-}
-
-.common-layout {
-  min-width: 100vw;
+.app-shell {
+  position: relative;
   min-height: 100vh;
+  overflow: hidden;
 }
 
-.main-content {
+.shell-container {
+  min-height: 100vh;
+  position: relative;
+  z-index: 1;
+}
+
+.shell-header {
+  height: auto;
+  padding: 18px 20px 0;
+}
+
+.shell-main {
+  max-width: 1240px;
+  width: 100%;
   margin: 0 auto;
-  display: flex;
-  flex-direction: column;
+  padding: 18px 20px 24px;
 }
 
+.shell-footer {
+  height: auto;
+  padding: 0 20px 18px;
+}
+
+.bg-orb {
+  position: absolute;
+  border-radius: 50%;
+  filter: blur(1px);
+  z-index: 0;
+  pointer-events: none;
+}
+
+.bg-orb-left {
+  width: 300px;
+  height: 300px;
+  top: -120px;
+  left: -90px;
+  background: radial-gradient(circle at center, rgba(47, 143, 104, 0.35), transparent 70%);
+}
+
+.bg-orb-right {
+  width: 360px;
+  height: 360px;
+  right: -130px;
+  bottom: -170px;
+  background: radial-gradient(circle at center, rgba(67, 168, 121, 0.3), transparent 70%);
+}
+
+@media (max-width: 768px) {
+  .shell-header {
+    padding: 12px 12px 0;
+  }
+
+  .shell-main {
+    padding: 12px 12px 18px;
+  }
+
+  .shell-footer {
+    padding: 0 12px 12px;
+  }
+}
 </style>
diff --git a/src/assets/base.css b/src/assets/base.css
index 8816868..5709bab 100644
--- a/src/assets/base.css
+++ b/src/assets/base.css
@@ -1,86 +1,41 @@
-/* color palette from <https://github.com/vuejs/theme> */
 :root {
-  --vt-c-white: #ffffff;
-  --vt-c-white-soft: #f8f8f8;
-  --vt-c-white-mute: #f2f2f2;
-
-  --vt-c-black: #181818;
-  --vt-c-black-soft: #222222;
-  --vt-c-black-mute: #282828;
-
-  --vt-c-indigo: #2c3e50;
-
-  --vt-c-divider-light-1: rgba(60, 60, 60, 0.29);
-  --vt-c-divider-light-2: rgba(60, 60, 60, 0.12);
-  --vt-c-divider-dark-1: rgba(84, 84, 84, 0.65);
-  --vt-c-divider-dark-2: rgba(84, 84, 84, 0.48);
-
-  --vt-c-text-light-1: var(--vt-c-indigo);
-  --vt-c-text-light-2: rgba(60, 60, 60, 0.66);
-  --vt-c-text-dark-1: var(--vt-c-white);
-  --vt-c-text-dark-2: rgba(235, 235, 235, 0.64);
-}
-
-/* semantic color variables for this project */
-:root {
-  --color-background: var(--vt-c-white);
-  --color-background-soft: var(--vt-c-white-soft);
-  --color-background-mute: var(--vt-c-white-mute);
-
-  --color-border: var(--vt-c-divider-light-2);
-  --color-border-hover: var(--vt-c-divider-light-1);
-
-  --color-heading: var(--vt-c-text-light-1);
-  --color-text: var(--vt-c-text-light-1);
-
-  --section-gap: 160px;
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    --color-background: var(--vt-c-black);
-    --color-background-soft: var(--vt-c-black-soft);
-    --color-background-mute: var(--vt-c-black-mute);
-
-    --color-border: var(--vt-c-divider-dark-2);
-    --color-border-hover: var(--vt-c-divider-dark-1);
-
-    --color-heading: var(--vt-c-text-dark-1);
-    --color-text: var(--vt-c-text-dark-2);
-  }
+  --green-900: #123d2d;
+  --green-800: #1a5a42;
+  --green-700: #237556;
+  --green-600: #2f8f68;
+  --green-500: #43a879;
+  --green-200: #d9f1e5;
+  --green-100: #eef9f3;
+  --surface: #f7fbf8;
+  --surface-strong: #ffffff;
+  --text-primary: #1b2a23;
+  --text-secondary: #4b6156;
+  --border-soft: #d6e6dc;
+  --shadow-soft: 0 14px 30px rgba(19, 61, 45, 0.09);
+  --shadow-strong: 0 20px 45px rgba(19, 61, 45, 0.16);
 }
 
 *,
 *::before,
 *::after {
   box-sizing: border-box;
-  margin: 0;
-  font-weight: normal;
+}
+
+html,
+body,
+#app {
+  min-height: 100%;
 }
 
 body {
-  min-height: 100vh;
-  color: var(--color-text);
-  background: var(--color-background);
-  transition:
-    color 0.5s,
-    background-color 0.5s;
+  margin: 0;
+  color: var(--text-primary);
+  background:
+    radial-gradient(circle at 12% 18%, rgba(67, 168, 121, 0.2), transparent 32%),
+    radial-gradient(circle at 85% 0%, rgba(35, 117, 86, 0.14), transparent 28%),
+    linear-gradient(165deg, #eef9f3 0%, #f8fcfa 50%, #edf7f1 100%);
+  font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
   line-height: 1.6;
-  font-family:
-    Inter,
-    -apple-system,
-    BlinkMacSystemFont,
-    'Segoe UI',
-    Roboto,
-    Oxygen,
-    Ubuntu,
-    Cantarell,
-    'Fira Sans',
-    'Droid Sans',
-    'Helvetica Neue',
-    sans-serif;
-  font-size: 15px;
-  text-rendering: optimizeLegibility;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
diff --git a/src/assets/main.css b/src/assets/main.css
index 36fb845..2ced1de 100644
--- a/src/assets/main.css
+++ b/src/assets/main.css
@@ -1,35 +1,45 @@
-@import './base.css';
+@import "./base.css";
 
 #app {
-  max-width: 1280px;
-  margin: 0 auto;
-  padding: 2rem;
-  font-weight: normal;
+  width: 100%;
 }
 
-a,
-.green {
+a {
+  color: var(--green-700);
   text-decoration: none;
-  color: hsla(160, 100%, 37%, 1);
-  transition: 0.4s;
-  padding: 3px;
 }
 
-@media (hover: hover) {
-  a:hover {
-    background-color: hsla(160, 100%, 37%, 0.2);
-  }
+a:hover {
+  color: var(--green-800);
 }
 
-@media (min-width: 1024px) {
-  body {
-    display: flex;
-    place-items: center;
-  }
-
-  #app {
-    display: grid;
-    grid-template-columns: 1fr 1fr;
-    padding: 0 2rem;
-  }
+.page-title {
+  margin: 0;
+  font-size: clamp(24px, 3vw, 34px);
+  line-height: 1.2;
+  letter-spacing: 0.4px;
+}
+
+.page-subtitle {
+  margin: 10px 0 0;
+  color: var(--text-secondary);
+  font-size: 15px;
+}
+
+.surface-card {
+  background: var(--surface-strong);
+  border: 1px solid var(--border-soft);
+  border-radius: 18px;
+  box-shadow: var(--shadow-soft);
+}
+
+.fade-up-enter-active,
+.fade-up-leave-active {
+  transition: opacity 0.22s ease, transform 0.22s ease;
+}
+
+.fade-up-enter-from,
+.fade-up-leave-to {
+  opacity: 0;
+  transform: translateY(8px);
 }
diff --git a/src/components/MyFooter.vue b/src/components/MyFooter.vue
index 44c41c8..7a884e9 100644
--- a/src/components/MyFooter.vue
+++ b/src/components/MyFooter.vue
@@ -1,17 +1,32 @@
 <template>
-  <div class="footer">
-    Footer123
+  <div class="footer surface-card">
+    <span>学习是一条可重复走通的路径：计划、执行、复盘、再出发</span>
+    <span class="footer-tag">LPT-FE</span>
   </div>
 </template>
 
 <style scoped>
-*{
-  margin: 20px;
-  padding:0px;
-}
 .footer {
-  text-align: center;
-  min-height: 8vh;
-  background-color: green;
+  padding: 12px 16px;
+  min-height: 58px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 10px;
+  font-size: 13px;
+  color: var(--text-secondary);
 }
-</style>
\ No newline at end of file
+
+.footer-tag {
+  font-weight: 700;
+  letter-spacing: 0.6px;
+  color: var(--green-700);
+}
+
+@media (max-width: 768px) {
+  .footer {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+}
+</style>
diff --git a/src/components/MyHead.vue b/src/components/MyHead.vue
index fe6f756..188a857 100644
--- a/src/components/MyHead.vue
+++ b/src/components/MyHead.vue
@@ -1,20 +1,30 @@
 <template>
-  <div class="head">
-    <span>学习进度跟踪系统</span>
-    <el-button v-if="!isLoginRoute" @click="handleLogout">退出登录</el-button>
+  <div class="head surface-card">
+    <div class="brand-block">
+      <p class="brand-title">学习进度跟踪系统</p>
+      <p class="brand-subtitle">把学习变成可记录、可回顾、可持续的日常流程</p>
+    </div>
+    <el-button
+      v-if="!isLoginRoute"
+      type="success"
+      plain
+      class="logout-btn"
+      @click="handleLogout"
+    >
+      退出登录
+    </el-button>
   </div>
 </template>
 
 <script setup lang="ts">
-import {computed} from "vue";
-import {useRoute} from "vue-router";
+import { computed } from "vue";
+import { useRoute } from "vue-router";
 import { ElMessage } from "element-plus";
 import router from "@/router";
 import { logout } from "@/api/login";
 
-var route = useRoute();
-
-const isLoginRoute = computed(()=>route.path === '/login');
+const route = useRoute();
+const isLoginRoute = computed(() => route.path === "/login");
 
 const handleLogout = async () => {
   try {
@@ -31,12 +41,41 @@ const handleLogout = async () => {
 
 <style scoped>
 .head {
+  min-height: 82px;
+  padding: 14px 18px;
   display: flex;
   align-items: center;
   justify-content: space-between;
-  font-size: 30px;
-  padding: 0 24px;
-  background: green;
-  min-height: 7vh;
+  gap: 12px;
+}
+
+.brand-title {
+  margin: 0;
+  font-weight: 700;
+  font-size: clamp(18px, 2.4vw, 24px);
+  letter-spacing: 0.3px;
+  color: var(--green-900);
+}
+
+.brand-subtitle {
+  margin: 4px 0 0;
+  font-size: 13px;
+  color: var(--text-secondary);
+}
+
+.logout-btn {
+  border-color: var(--green-600);
+  color: var(--green-700);
+}
+
+@media (max-width: 768px) {
+  .head {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+
+  .logout-btn {
+    width: 100%;
+  }
 }
 </style>