feat(earth): refactor toolbar layout, improve cable breathing effect

- Restructure right-toolbar-group with zoom-toolbar and control-toolbar
- Add reset button to zoom-toolbar
- Change collapse toggle to arrow icon
- Improve cable breathing effect opacity range
- Adjust toolbar sizing and spacing

frontend/public/earth/css/base.css

@@ -23,32 +23,52 @@ body {
   cursor: grabbing;
 }
 
-/* Zoom Toolbar - Top Center */
+/* Right Toolbar Group */
-#zoom-toolbar {
+#right-toolbar-group {
   position: absolute;
-  top: 20px;
+  bottom: 20px;
-  left: 50%;
+  right: 290px;
-  transform: translateX(-50%);
   display: flex;
-  align-items: center;
+  flex-direction: column;
-  gap: 15px;
+  align-items: flex-end;
-  background: rgba(10, 10, 30, 0.9);
+  gap: 10px;
-  padding: 10px 20px;
-  border-radius: 30px;
-  border: 1px solid rgba(77, 184, 255, 0.3);
-  box-shadow: 0 0 20px rgba(77, 184, 255, 0.2);
   z-index: 200;
 }
 
+/* Zoom Toolbar - Right side, vertical */
+#zoom-toolbar {
+  position: relative;
+  bottom: auto;
+  right: auto;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 4px;
+  background: rgba(10, 10, 30, 0.9);
+  padding: 8px 4px;
+  border-radius: 24px;
+  border: 1px solid rgba(77, 184, 255, 0.3);
+  box-shadow: 0 0 20px rgba(77, 184, 255, 0.2);
+}
+
+#zoom-toolbar #zoom-slider {
+  width: 4px;
+  height: 50px;
+  margin: 4px 0;
+  writing-mode: vertical-lr;
+  direction: rtl;
+  -webkit-appearance: slider-vertical;
+}
+
 #zoom-toolbar .zoom-percent {
-  font-size: 1.2rem;
+  font-size: 0.75rem;
   font-weight: 600;
   color: #4db8ff;
-  min-width: 60px;
+  min-width: 30px;
   text-align: center;
   cursor: pointer;
-  padding: 5px 10px;
+  padding: 2px 4px;
-  border-radius: 5px;
+  border-radius: 3px;
   transition: all 0.2s ease;
 }
 
@@ -58,14 +78,14 @@ body {
 }
 
 #zoom-toolbar .zoom-btn {
-  width: 36px;
+  width: 28px;
-  height: 36px;
+  height: 28px;
-  min-width: 36px;
+  min-width: 28px;
   border: none;
   border-radius: 50%;
   background: rgba(77, 184, 255, 0.2);
   color: #4db8ff;
-  font-size: 22px;
+  font-size: 14px;
   font-weight: bold;
   cursor: pointer;
   display: flex;
@@ -82,11 +102,6 @@ body {
   box-shadow: 0 0 10px rgba(77, 184, 255, 0.5);
 }
 
-#zoom-toolbar #zoom-slider {
-  width: 100px;
-  margin-left: 10px;
-}
-
 #loading {
   position: absolute;
   top: 50%;
@@ -212,72 +227,80 @@ input[type="range"]::-webkit-slider-thumb {
 
 /* Control Toolbar - Stellarium/Star Walk style */
 #control-toolbar {
-  position: absolute;
+  position: relative;
-  bottom: 20px;
+  bottom: auto;
-  left: 50%;
+  right: auto;
-  transform: translateX(-50%);
   display: flex;
   align-items: center;
   background: rgba(10, 10, 30, 0.9);
-  border-radius: 30px;
+  border-radius: 24px;
-  padding: 8px 12px;
+  padding: 8px;
   border: 1px solid rgba(77, 184, 255, 0.3);
   box-shadow: 0 0 20px rgba(77, 184, 255, 0.2);
-  z-index: 200;
   transition: all 0.3s ease;
 }
 
 #control-toolbar.collapsed {
-  padding: 8px 8px 8px 12px;
+  padding: 8px;
 }
 
 #control-toolbar.collapsed .toolbar-items {
   width: 0;
   padding: 0;
+  margin: 0;
   overflow: hidden;
   opacity: 0;
 }
 
 #toolbar-toggle {
-  font-size: 0;
+  min-width: 28px;
-  min-width: 32px;
   line-height: 1;
   transition: all 0.3s ease;
+  flex-shrink: 0;
+  background: transparent;
+  border: none;
 }
 
-.toggle-circle {
+.toggle-arrow {
-  width: 12px;
+  font-size: 14px;
-  height: 12px;
+  color: #4db8ff;
-  border-radius: 50%;
+  transition: transform 0.3s ease;
-  background: rgba(77, 184, 255, 0.8);
-  box-shadow: 0 0 8px rgba(77, 184, 255, 0.6);
 }
 
-#control-toolbar:not(.collapsed) #toolbar-toggle {
+#control-toolbar.collapsed .toggle-arrow {
-  background: rgba(77, 184, 255, 0.3);
+  transform: rotate(0deg);
+}
+
+#control-toolbar:not(.collapsed) .toggle-arrow {
+  transform: rotate(180deg);
+}
+
+#control-toolbar.collapsed #toolbar-toggle {
+  background: transparent;
 }
 
 .toolbar-items {
   display: flex;
-  gap: 4px;
+  gap: 6px;
   width: auto;
-  padding: 0 8px 0 4px;
+  padding: 0 4px 0 2px;
   overflow: visible;
   opacity: 1;
   transition: all 0.3s ease;
   border-right: 1px solid rgba(77, 184, 255, 0.3);
   margin-right: 4px;
+  flex-shrink: 0;
 }
 
 .toolbar-btn {
   position: relative;
-  width: 40px;
+  width: 28px;
-  height: 40px;
+  height: 28px;
   border: none;
   border-radius: 50%;
   background: rgba(77, 184, 255, 0.15);
   color: #4db8ff;
-  font-size: 18px;
+  font-size: 14px;
   cursor: pointer;
   display: flex;
   align-items: center;

frontend/public/earth/index.html

@@ -21,13 +21,6 @@
 </head>
 <body>
   <div id="container">
-    <div id="zoom-toolbar">
-      <button id="zoom-out" class="zoom-btn">−</button>
-      <span id="zoom-value" class="zoom-percent">100%</span>
-      <button id="zoom-in" class="zoom-btn">+</button>
-      <input type="range" id="zoom-slider" min="0.5" max="5" step="0.01" value="1">
-    </div>
-
     <div id="info-panel">
       <h1>智能星球计划</h1>
       <div class="subtitle">现实层宇宙全息感知系统 | 卫星 · 海底光缆 · 算力基础设施</div>
@@ -43,16 +36,25 @@
       <div id="error-message" class="error-message"></div>
     </div>
 
+    <div id="right-toolbar-group">
+      <div id="zoom-toolbar">
+        <button id="reset-view" class="zoom-btn">🎯</button>
+        <input type="range" id="zoom-slider" min="0.5" max="5" step="0.01" value="1">
+        <button id="zoom-in" class="zoom-btn">+</button>
+        <span id="zoom-value" class="zoom-percent">100%</span>
+        <button id="zoom-out" class="zoom-btn">−</button>
+      </div>
+
       <div id="control-toolbar">
         <div class="toolbar-items">
           <button id="rotate-toggle" class="toolbar-btn" title="自动旋转">🔄<span class="tooltip">自动旋转</span></button>
-        <button id="reset-view" class="toolbar-btn" title="重置视图">🎯<span class="tooltip">重置视图</span></button>
           <button id="toggle-terrain" class="toolbar-btn" title="显示/隐藏地形">⛰️<span class="tooltip">显示/隐藏地形</span></button>
           <button id="toggle-satellites" class="toolbar-btn" title="显示/隐藏卫星">🛰️<span class="tooltip">显示/隐藏卫星</span></button>
           <button id="toggle-trails" class="toolbar-btn" title="显示/隐藏轨迹">✨<span class="tooltip">显示/隐藏轨迹</span></button>
           <button id="reload-data" class="toolbar-btn" title="重新加载数据">🔃<span class="tooltip">重新加载数据</span></button>
         </div>
-      <button id="toolbar-toggle" class="toolbar-btn" title="展开/收起工具栏"><span class="toggle-circle"></span></button>
+        <button id="toolbar-toggle" class="toolbar-btn" title="展开/收起工具栏"><span class="toggle-arrow">◀</span></button>
+      </div>
     </div>
 
     <div id="coordinates-display">

frontend/public/earth/js/main.js

@@ -92,7 +92,7 @@ function applyCableVisualState() {
     
     switch (state) {
       case CABLE_STATE.LOCKED:
-        c.material.opacity = CABLE_CONFIG.lockedOpacityMin + pulse * CABLE_CONFIG.pulseCoefficient;
+        c.material.opacity = 0.3 + pulse * 0.7;
         c.material.color.setRGB(1, 1, 1);
         break;
       case CABLE_STATE.HOVERED: