diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..7f5c5f2
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,40 @@
+{
+  // Vue: 启用 Take Over 模式，禁用内置 TS 服务，减少内存占用
+  "vue.server.hybridMode": true,
+
+  // Git: 降低自动拉取频率
+  "git.autofetch": false,
+  "git.maxVisibleCommits": 10,
+  "git.decorations.enabled": false,
+
+  // 保存时只格式化，不运行 code action（慢）
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "never",
+    "source.organizeImports": "never"
+  },
+
+  // 排除大目录，减少文件监听
+  "files.watcherExclude": {
+    "**/node_modules/**": true,
+    "**/.git/objects/**": true,
+    "**/dist/**": true,
+    "**/tmp/**": true,
+    "**/bin/**": true
+  },
+
+  // 排除搜索目录
+  "search.exclude": {
+    "**/node_modules": true,
+    "**/dist": true,
+    "**/tmp": true,
+    "**/bin": true,
+    "**/*.sum": true
+  },
+
+  // TypeScript: 降低语言服务开销
+  "typescript.tsserver.maxTsServerMemory": 1024,
+  "typescript.tsserver.watchOptions": {
+    "excludeDirectories": ["node_modules", "dist"]
+  }
+}
diff --git a/Makefile b/Makefile
index 2f04295..a51c83f 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ run: build
 	./$(BUILD_DIR)/$(BINARY_NAME)
 
 # Development: backend + frontend (requires air + pnpm)
-dev: dev-backend dev-frontend
+dev: dev-frontend dev-backend
 
 # Go backend with hot reload (requires: go install github.com/air-verse/air@latest)
 dev-backend:
diff --git a/frontend/src/components/common/LineSegmentFlow.vue b/frontend/src/components/common/LineSegmentFlow.vue
index 06158dc..945dcbe 100644
--- a/frontend/src/components/common/LineSegmentFlow.vue
+++ b/frontend/src/components/common/LineSegmentFlow.vue
@@ -1,280 +1,250 @@
 <template>
-    <!-- 组件根元素：相对定位，设置最大宽度、外边距、宽高比、背景渐变、内边距、圆角、阴影和溢出隐藏 -->
-    <div
-        class="relative w-full max-w-4xl mx-auto my-10 aspect-[16/10] sm:aspect-[4/3] backdrop-blur-0 rounded-lg overflow-hidden ">
-        <!-- bg-gradient-to-br from-slate-50 to-orange-50 -->
-        <!-- 中心图标容器 -->
-        <div ref="centerElement" class="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 z-20">
-            <!-- 中心图标本身 -->
-            <div class="w-10 h-10 md:w-16 md:h-16 rounded-full flex items-center justify-center backdrop-blur-md animate-bounce hover:cursor-alias" @click="$router.push('/dashboard')">
-                <img src="@/assets/logo.svg" alt="Center Logo" class="rounded-full object-cover">
-            </div>
+  <div ref="containerRef" class="relative mx-auto w-full max-w-3xl" style="height: 420px">
+    <!-- Left: Clients -->
+    <div class="absolute top-0 left-0 z-10 flex h-full flex-col justify-around py-2 pl-1 sm:pl-3">
+      <div
+        v-for="icon in leftIcons"
+        :key="icon.id"
+        :ref="el => { if (el) iconRefs[icon.id] = el as Element }"
+        class="flex items-center justify-center"
+      >
+        <div class="flex h-7 w-7 items-center justify-center rounded-lg border border-base-300/60 bg-base-100 shadow-sm p-0.5">
+          <div v-if="'img' in icon && icon.img" :style="{ color: icon.color }" v-html="getIconSvg(icon.img)" class="h-full w-full [&>svg]:h-full [&>svg]:w-full" />
+          <component v-else :is="icon.component" class="h-4 w-4 text-base-content/70" />
         </div>
-
-        <!-- 左侧图标列 -->
-        <div
-            class="absolute top-0 left-0 h-full flex flex-col justify-around items-center py-4 md:py-8 px-2 md:px-4 z-10">
-            <!-- 遍历左侧图标数据 -->
-            <div v-for="icon in leftIcons" :key="icon.id" :ref="el => { if (el) iconRefs[icon.id] = el as Element }"
-                class="w-8 h-8 md:w-10 md:h-10 lg:w-12 lg:h-12 flex items-center justify-center">
-                <img v-if="icon.img" :src="icon.img" :alt="icon.name" class="w-full h-full object-contain">
-                <div v-else
-                    class="w-full h-full rounded bg-gray-300 flex items-center justify-center text-xs text-gray-600">?
-                </div>
-            </div>
-        </div>
-
-        <!-- 右侧图标列 -->
-        <div
-            class="absolute top-0 right-0 h-full flex flex-col justify-around items-center py-4 md:py-8 px-2 md:px-4 z-10">
-            <!-- 遍历右侧图标数据 -->
-            <div v-for="icon in rightIcons" :key="icon.id" :ref="el => { if (el) iconRefs[icon.id] = el as Element }"
-                class="w-8 h-8 md:w-10 md:h-10 lg:w-12 lg:h-12 flex items-center justify-center">
-                <img v-if="icon.img" :src="icon.img" :alt="icon.name" class="w-full h-full object-contain">
-                <div v-else
-                    class="w-full h-full rounded bg-gray-300 flex items-center justify-center text-xs text-gray-600">?
-                </div>
-            </div>
-        </div>
-
-        <!-- SVG 画布，用于绘制线条和动画 -->
-        <svg class="absolute inset-0 w-full h-full z-0" ref="svgCanvas">
-            <defs>
-                <!-- 这里可以定义 SVG 渐变或标记 (marker) -->
-            </defs>
-
-            <!-- 只有当中心点和图标坐标都计算好后才开始绘制 -->
-            <g v-if="centerCoords && Object.keys(iconCoords).length >= (leftIcons.length + rightIcons.length)">
-                <!-- 绘制左侧图标的线条和动画 -->
-                <template v-for="icon in leftIcons" :key="'group-left-' + icon.id">
-                    <!-- 1. 绘制静态背景连接线 (图标到中心) -->
-                    <path :id="'path-visual-left-' + icon.id"
-                        :d="calculatePathForVisual(iconCoords[icon.id], centerCoords, 'left')" stroke="#E5E7EB"
-                        stroke-width="1" fill="none" />
-
-                    <!-- 2. 绘制用于动画的、覆盖在背景线上的短线段 -->
-                    <path :id="'path-anim-left-' + icon.id"
-                        :d="calculatePathForVisual(iconCoords[icon.id], centerCoords, 'left')"
-                        :stroke="icon.color || '#DB2777'" stroke-width="2.5" fill="none" stroke-linecap="round"
-                        :stroke-dasharray="`${dashLen} ${largeGap}`" :stroke-dashoffset="largeGap + dashLen">
-                        <!-- 定义动画：改变 stroke-dashoffset 使短线段移动 -->
-                        <animate attributeName="stroke-dashoffset" :from="largeGap + dashLen" :to="0"
-                            :dur="`${4 + Math.random() * 4}s`" :begin="`${Math.random() * -5}s`"
-                            repeatCount="indefinite" fill="freeze" />
-                        <!-- keyTimes 和 values 可以更精细控制，但这里 from/to 足够 -->
-                    </path>
-                </template>
-
-                <!-- 绘制右侧图标的线条和动画 -->
-                <template v-for="icon in rightIcons" :key="'group-right-' + icon.id">
-                    <!-- 1. 绘制静态背景连接线 (图标到中心) -->
-                    <path :id="'path-visual-right-' + icon.id"
-                        :d="calculatePathForAnimation(iconCoords[icon.id], centerCoords, 'right')" stroke="#E5E7EB"
-                        stroke-width="1" fill="none" />
-
-                    <!-- 2. 绘制用于动画的、覆盖在背景线上的短线段 -->
-                    <path :id="'path-anim-right-' + icon.id"
-                        :d="calculatePathForAnimation(iconCoords[icon.id], centerCoords, 'right', 'fromCenter')"
-                        :stroke="icon.color || '#1D4ED8'" stroke-width="2.5" fill="none" stroke-linecap="round"
-                        :stroke-dasharray="`${dashLen} ${largeGap}`" :stroke-dashoffset="0">
-                        <!-- 定义动画：改变 stroke-dashoffset 使短线段移动 -->
-                        <!-- 注意：路径本身是从 Icon 到 Center 绘制的。为了让动画看起来是从 Center 到 Icon， -->
-                        <!-- 我们需要让 dashoffset 从 0 (在Icon处开始) 变为 负的pattern长度 (移动到Center处结束) -->
-                        <animate attributeName="stroke-dashoffset" :from="0" :to="-(largeGap + dashLen)"
-                            :dur="`${4 + Math.random() * 4}s`" :begin="`${Math.random() * -5}s`"
-                            repeatCount="indefinite" fill="freeze" />
-                    </path>
-                </template>
-            </g>
-        </svg>
+      </div>
     </div>
+
+    <!-- Right: Providers -->
+    <div class="absolute top-0 right-0 z-10 flex h-full flex-col justify-around py-2 pr-1 sm:pr-3">
+      <div
+        v-for="icon in rightIcons"
+        :key="icon.id"
+        :ref="el => { if (el) iconRefs[icon.id] = el as Element }"
+        class="flex items-center justify-center"
+      >
+        <div class="flex h-7 w-7 items-center justify-center rounded-lg border border-base-300/60 bg-base-100 shadow-sm p-0.5">
+          <div :style="{ color: icon.color }" v-html="getIconSvg(icon.img)" class="h-full w-full [&>svg]:h-full [&>svg]:w-full" />
+        </div>
+      </div>
+    </div>
+
+    <!-- Center logo -->
+    <div ref="centerElement" class="absolute left-1/2 top-1/2 z-20 -translate-x-1/2 -translate-y-1/2">
+      <div
+        class="flex h-12 w-12 cursor-pointer items-center justify-center rounded-full border border-base-300/60 bg-base-100 shadow-lg transition-transform hover:scale-105"
+        @click="$router.push('/dashboard')"
+      >
+        <img src="@/assets/logo.svg" alt="OpenTeam" class="h-6 w-6" />
+      </div>
+    </div>
+
+    <!-- SVG canvas -->
+    <svg ref="svgCanvas" class="absolute inset-0 h-full w-full">
+      <g v-if="centerCoords && Object.keys(iconCoords).length >= totalIcons">
+        <!-- Left: icon → center, inner concave curve -->
+        <template v-for="icon in leftIcons" :key="'left-' + icon.id">
+          <template v-if="iconCoords[icon.id]">
+            <path
+              :d="getLeftPath(iconCoords[icon.id]!, centerCoords!)"
+              stroke="currentColor"
+              class="line-bg"
+              stroke-width="1"
+              fill="none"
+            />
+            <path
+              :d="getLeftPath(iconCoords[icon.id]!, centerCoords!)"
+              :stroke="icon.color"
+              stroke-width="2"
+              fill="none"
+              stroke-linecap="round"
+              class="line-animated"
+              :stroke-dasharray="`${dashLen} ${largeGap}`"
+              :stroke-dashoffset="largeGap + dashLen"
+            >
+              <animate
+                attributeName="stroke-dashoffset"
+                :from="largeGap + dashLen"
+                :to="0"
+                :dur="`${3.5 + Math.random() * 3}s`"
+                :begin="`${Math.random() * -4}s`"
+                repeatCount="indefinite"
+                fill="freeze"
+              />
+            </path>
+          </template>
+        </template>
+
+        <!-- Right: center → icon, outer convex curve -->
+        <template v-for="icon in rightIcons" :key="'right-' + icon.id">
+          <template v-if="iconCoords[icon.id]">
+            <path
+              :d="getRightPath(centerCoords!, iconCoords[icon.id]!)"
+              stroke="currentColor"
+              class="line-bg"
+              stroke-width="1"
+              fill="none"
+            />
+            <path
+              :d="getRightPath(centerCoords!, iconCoords[icon.id]!)"
+              :stroke="icon.color"
+              stroke-width="2"
+              fill="none"
+              stroke-linecap="round"
+              class="line-animated"
+              :stroke-dasharray="`${dashLen} ${largeGap}`"
+              :stroke-dashoffset="0"
+            >
+              <animate
+                attributeName="stroke-dashoffset"
+                :from="0"
+                :to="-(largeGap + dashLen)"
+                :dur="`${3.5 + Math.random() * 3}s`"
+                :begin="`${Math.random() * -4}s`"
+                repeatCount="indefinite"
+                fill="freeze"
+              />
+            </path>
+          </template>
+        </template>
+      </g>
+    </svg>
+  </div>
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted, onUnmounted, nextTick, reactive } from 'vue';
+import { ref, reactive, onMounted, onUnmounted, nextTick, markRaw } from 'vue';
+import {
+  GlobeIcon,
+  SmartphoneIcon,
+  MonitorIcon,
+} from '@lucide/vue';
 
 type Coords = { x: number; y: number };
-type FlowIcon = { id: string; name: string; img: string; color: string };
 
-// --- 图标数据 (保持不变) ---
-const leftIcons = ref<FlowIcon[]>([
-    { id: 'web', name: 'Web', img: 'https://img.icons8.com/?size=100&id=38536&format=png&color=000000', color: '#DB4437' },
-    { id: 'iphone', name: 'iPhone', img: 'https://img.icons8.com/?size=100&id=ZwGNoFXGbt9n&format=png&color=000000', color: '#eac50c' },
-    { id: 'mac', name: 'Mac', img: 'https://img.icons8.com/?size=100&id=RHxDgbKmJhUD&format=png&color=000000', color: '#1DB954' },
-]);
-const rightIcons = ref<FlowIcon[]>([
-    { id: 'openai', name: 'OpenAI', img: 'https://img.icons8.com/?size=100&id=FBO05Dys9QCg&format=png&color=000000', color: '#E4405F' },
-    { id: 'claude', name: 'Claude', img: 'https://img.icons8.com/?size=100&id=H5H0mqCCr5AV&format=png&color=000000', color: '#229ED9' },
-    { id: 'gemini', name: 'Gemini', img: 'https://img.icons8.com/?size=100&id=eoxMN35Z6JKg&format=png&color=000000', color: '#FF6600' },
-    { id: 'azure', name: 'Azure', img: 'https://img.icons8.com/?size=100&id=VLKafOkk3sBX&format=png&color=000000', color: '#007FFF' },
-    { id: 'bedrock', name: 'BedRock', img: 'https://img.icons8.com/?size=100&id=saSupsgVcmJe&format=png&color=000000', color: '#FF9900' },
-    { id: 'google', name: 'Google', img: 'https://img.icons8.com/color/48/google-logo.png', color: '#DB4437' },
-    { id: 'deepseek', name: 'DeepSeek', img: 'https://img.icons8.com/?size=100&id=YWOidjGxCpFW&format=png&color=000000', color: '#4CAF50' },
-    { id: 'github', name: 'GitHub', img: 'https://img.icons8.com/ios-filled/50/000000/github.png', color: '#333' },
-]);
-// --- 结束图标数据 ---
+const LobeIcon = (slug: string) =>
+  `https://unpkg.com/@lobehub/icons-static-svg@latest/icons/${slug}.svg`;
 
-// --- Dash 动画参数 ---
-const dashLen = ref(15); // 移动线段的长度
-const largeGap = ref(1000); // 一个足够大的间隔，确保只有一个线段可见
-// --- 结束 Dash 动画参数 ---
+const leftIcons = [
+  { id: 'web', component: markRaw(GlobeIcon), color: '#64748b' },
+  { id: 'ios', component: markRaw(SmartphoneIcon), color: '#64748b' },
+  { id: 'desktop', component: markRaw(MonitorIcon), color: '#64748b' },
+  { id: 'claude-code', label: 'Claude Code', img: LobeIcon('claudecode'), color: '#d97757' },
+  { id: 'codex', label: 'Codex', img: LobeIcon('codex'), color: '#10a37f' },
+  { id: 'openclaw', label: 'OpenClaw', img: LobeIcon('openclaw'), color: '#ff4d4d' },
+];
 
+const rightIcons = [
+  { id: 'openai', label: 'OpenAI', img: LobeIcon('openai'), color: '#10a37f' },
+  { id: 'claude', label: 'Claude', img: LobeIcon('claude'), color: '#d97706' },
+  { id: 'gemini', label: 'Gemini', img: LobeIcon('gemini'), color: '#4285f4' },
+  { id: 'zhipu', label: 'Zhipu', img: LobeIcon('zhipu'), color: '#4268fa' },
+  { id: 'qwen', label: 'Qwen', img: LobeIcon('qwen'), color: '#615ced' },
+  { id: 'deepseek', label: 'DeepSeek', img: LobeIcon('deepseek'), color: '#4d6bfe' },
+  { id: 'moonshot', label: 'Moonshot', img: LobeIcon('moonshot'), color: '#000' },
+  { id: 'minimax', label: 'MiniMax', img: LobeIcon('minimax'), color: '#000' },
+  { id: 'bedrock', label: 'Bedrock', img: LobeIcon('bedrock'), color: '#ff9900' },
+  { id: 'azure', label: 'Azure', img: LobeIcon('azure'), color: '#0078d4' },
+  { id: 'volcengine', label: 'Volcengine', img: LobeIcon('volcengine'), color: '#325ab4' },
+];
 
+const totalIcons = leftIcons.length + rightIcons.length;
+const dashLen = 15;
+const largeGap = 1000;
+
+const containerRef = ref<HTMLElement | null>(null);
 const svgCanvas = ref<SVGSVGElement | null>(null);
 const centerElement = ref<HTMLElement | null>(null);
 const iconRefs = reactive<Record<string, Element | null>>({});
 const centerCoords = ref<Coords | null>(null);
 const iconCoords = reactive<Record<string, Coords | null>>({});
 
-// (getElementCenterCoords 和 updateCoordinates 函数保持不变)
-const getElementCenterCoords = (element: Element | null): Coords | null => {
-    if (!element || !svgCanvas.value) return null;
-    const svgRect = svgCanvas.value.getBoundingClientRect();
-    const elemRect = element.getBoundingClientRect();
-    return {
-        x: elemRect.left + elemRect.width / 2 - svgRect.left,
-        y: elemRect.top + elemRect.height / 2 - svgRect.top,
-    };
-};
-const updateCoordinates = () => {
-    if (!centerElement.value || !svgCanvas.value) return;
-    centerCoords.value = getElementCenterCoords(centerElement.value);
-    const allIcons = [...leftIcons.value, ...rightIcons.value];
-    let coordsFound = 0;
-    allIcons.forEach(icon => {
-        const element = iconRefs[icon.id];
-        if (element) {
-            iconCoords[icon.id] = getElementCenterCoords(element);
-            if (iconCoords[icon.id]) {
-                coordsFound++;
-            }
-        } else {
-            console.warn(`找不到图标 ${icon.id} 的 DOM 元素引用。`);
-        }
-    });
-    // if (coordsFound < allIcons.length) { // 可选的调试信息
-    //     console.warn("部分图标坐标未能成功计算。");
-    // }
+const getCenter = (el: Element | null): Coords | null => {
+  if (!el || !svgCanvas.value) return null;
+  const svg = svgCanvas.value.getBoundingClientRect();
+  const rect = el.getBoundingClientRect();
+  return {
+    x: rect.left + rect.width / 2 - svg.left,
+    y: rect.top + rect.height / 2 - svg.top,
+  };
 };
 
-// (calculatePathForVisual 函数保持不变，我们不再需要 calculatePathForAnimation)
-/**
- * 计算静态视觉连接线的 SVG 路径 (总是从图标到中心)
- * @param iconCoord 图标坐标 {x, y}
- * @param centerCoord 中心坐标 {x, y}
- * @param side 图标在哪一侧
- * @returns SVG path 'd' 属性字符串
- */
-const calculatePathForVisual = (iconCoord: Coords | null | undefined, centerCoord: Coords | null, side: 'left' | 'right'): string => {
-    if (!iconCoord || !centerCoord) return '';
-    const { x: startX, y: startY } = iconCoord;
-    const { x: endX, y: endY } = centerCoord;
-    const controlX = (side === 'left')
-        ? startX + (endX - startX) * 0.6
-        : startX - (startX - endX) * 0.6;
-    const controlY = startY;
-    return `M ${startX},${startY} Q ${controlX},${controlY} ${endX},${endY}`;
+const updateCoords = () => {
+  if (!centerElement.value || !svgCanvas.value) return;
+  centerCoords.value = getCenter(centerElement.value);
+  [...leftIcons, ...rightIcons].forEach(icon => {
+    iconCoords[icon.id] = getCenter(iconRefs[icon.id]);
+  });
 };
 
-/**
- * 计算动画运动的 SVG 路径
- * @param iconCoord 图标坐标 {x, y}
- * @param centerCoord 中心坐标 {x, y}
- * @param side 图标在哪一侧
- * @param direction 动画方向
- * @returns SVG path 'd' 属性字符串
- */
-const calculatePathForAnimation = (iconCoord: Coords | null | undefined, centerCoord: Coords | null, side: 'left' | 'right', direction: 'toCenter' | 'fromCenter' = 'toCenter'): string => {
-    if (!iconCoord || !centerCoord) return '';
-
-    let startX: number, startY: number, endX: number, endY: number;
-    let controlX: number, controlY: number;
-
-    if (direction === 'fromCenter') {
-        // --- 动画从中心开始 ---
-        startX = centerCoord.x;
-        startY = centerCoord.y;
-        endX = iconCoord.x;
-        endY = iconCoord.y;
-
-        // 控制点计算:
-        // 为了使曲线形状看起来与 'toCenter' 类似但方向相反
-        // 我们将控制点放在靠近中心（起点）的位置，并使其 Y 坐标与终点（图标）对齐
-        controlX = startX + (endX - startX) * 0.4; // X 轴方向上，控制点靠近起点 (中心)
-        controlY = endY; // Y 轴方向上，与终点 (图标) 对齐
-
-    } else { // direction === 'toCenter' (默认)
-        // --- 动画从图标开始 ---
-        startX = iconCoord.x;
-        startY = iconCoord.y;
-        endX = centerCoord.x;
-        endY = centerCoord.y;
-
-        // 控制点计算 (与视觉线一致)
-        controlX = (side === 'left')
-            ? startX + (endX - startX) * 0.6
-            : startX - (startX - endX) * 0.6;
-        controlY = startY; // Y 轴方向上，与起点 (图标) 对齐
-    }
-
-    return `M ${startX},${startY} Q ${controlX},${controlY} ${endX},${endY}`;
+const getLeftPath = (from: Coords, to: Coords): string => {
+  const cx = from.x + (to.x - from.x) * 0.5;
+  const cy = to.y;
+  return `M ${from.x},${from.y} Q ${cx},${cy} ${to.x},${to.y}`;
 };
 
+const getRightPath = (from: Coords, to: Coords): string => {
+  const cx = from.x + (to.x - from.x) * 0.5;
+  const cy = from.y;
+  return `M ${from.x},${from.y} Q ${cx},${cy} ${to.x},${to.y}`;
+};
 
-// --- 生命周期钩子 (保持不变) ---
-let resizeObserver: ResizeObserver | undefined;
+let observer: ResizeObserver | undefined;
+
+const iconCache = new Map<string, string>();
+const getIconSvg = (url: string) => iconCache.get(url) || '';
+
+const loadIcons = async () => {
+  const urls = [...leftIcons, ...rightIcons]
+    .filter((i): i is typeof i & { img: string } => 'img' in i)
+    .map(i => i.img);
+  await Promise.allSettled(
+    urls.map(async url => {
+      if (iconCache.has(url)) return;
+      try {
+        const res = await fetch(url);
+        if (res.ok) iconCache.set(url, await res.text());
+      } catch {}
+    })
+  );
+};
 
 onMounted(async () => {
-    await nextTick();
-    updateCoordinates();
-    resizeObserver = new ResizeObserver(updateCoordinates);
-    if (svgCanvas.value?.parentElement) {
-        resizeObserver.observe(svgCanvas.value.parentElement);
-    } else {
-        console.warn("无法找到用于 ResizeObserver 的父元素。");
-    }
-});
-
-onUnmounted(() => {
-    if (resizeObserver) {
-        resizeObserver.disconnect();
-    }
+  await nextTick();
+  await loadIcons();
+  updateCoords();
+  observer = new ResizeObserver(updateCoords);
+  if (containerRef.value) {
+    observer.observe(containerRef.value);
+  }
 });
 
+onUnmounted(() => observer?.disconnect());
 </script>
 
 <style scoped>
-img {
-    max-width: 100%;
-    max-height: 100%;
-    object-fit: contain;
-
-    /* Prevent text/image selection */
-    user-select: none;
-    /* Standard */
-    -webkit-user-select: none;
-    /* Safari, Chrome, Opera */
-    -moz-user-select: none;
-    /* Firefox */
-    -ms-user-select: none;
-    /* IE/Edge */
-
-    /* Prevent dragging ghost image (optional but helpful) */
-    -webkit-user-drag: none;
-    user-drag: none;
-    /* Maybe needed for some browsers */
-    pointer-events: none;
-    /* Also prevents clicks/hovers directly on the img if needed */
+.line-bg {
+  stroke: var(--color-base-300);
+  opacity: 0.6;
 }
 
-.flex-col.justify-around {
-    justify-content: space-around;
+.line-animated {
+  filter: drop-shadow(0 0 3px currentColor);
 }
 
-/* 可选：给动画路径添加一点模糊效果？ */
-#path-anim-left,
-#path-anim-right {
-    filter: blur(2px);
-    background-color: #eac50c;
+html[data-theme="dark"] .line-bg {
+  stroke: var(--color-base-content);
+  opacity: 0.2;
 }
-</style>
\ No newline at end of file
+
+html[data-theme="dark"] .line-animated {
+  stroke-width: 2.5;
+  filter: drop-shadow(0 0 6px currentColor);
+}
+
+@media (prefers-reduced-motion: reduce) {
+  svg animate {
+    duration: 0s !important;
+  }
+}
+</style>
diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
index d978089..8333eb1 100644
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -16,7 +16,7 @@ export default defineConfig({
   plugins: [vue(), tailwindcss(), ...(useHttps ? [basicSsl()] : [])],
   server: {
     https: useHttps ? {} : undefined,
-    host: 'localhost', // 确保 host 是 localhost
+    host: '0.0.0.0', // 允许局域网访问
     port: 5173,
     proxy: {
       // 前端 axios baseURL 为 /api，开发时代理到本地 Go 后端，免去跨域与重建