样式修改

frontend-web/src/assets/position-roundtable/down-logo.svg

@@ -0,0 +1,12 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12">
+  <defs>
+    <style>
+      .hit { fill: rgba(255, 255, 255, 0.8); opacity: 0; }
+      .mark { fill: #fff; }
+    </style>
+  </defs>
+  <g transform="translate(-2434.135 -67.941)">
+    <rect class="hit" width="12" height="12" transform="translate(2434.135 67.941)"/>
+    <path class="mark" d="M.885,0,0,.885,3.692,4.577,4.135,5l.442-.423L8.269.885,7.385,0,4.135,3.25Z" transform="translate(2436 71.942)"/>
+  </g>
+</svg>

frontend-web/src/assets/position-roundtable/expand-logo.svg

@@ -0,0 +1,14 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+  <defs>
+    <style>
+      .background { fill: none; }
+      .mark { stroke: rgba(0, 0, 0, 0); stroke-miterlimit: 10; fill: url(#gradient); }
+    </style>
+    <linearGradient id="gradient" x1="0.277" y1="0.03" x2="0.725" y2="1.083" gradientUnits="objectBoundingBox">
+      <stop offset="0" stop-color="#a2e1f9"/>
+      <stop offset="1" stop-color="#45c3f3"/>
+    </linearGradient>
+  </defs>
+  <rect class="background" width="16" height="16"/>
+  <path class="mark" d="M14554.5,10202.5a1,1,0,1,1,0-2h5a1,1,0,0,1,0,2Zm9.8-.482-2.95-2.157a.445.445,0,0,1-.187-.361.46.46,0,0,1,.187-.366l2.95-2.152a.45.45,0,0,1,.716.365v4.307a.44.44,0,0,1-.131.317.445.445,0,0,1-.322.136A.454.454,0,0,1,14564.3,10202.019Zm-9.8-3.521a1,1,0,1,1,0-2h5a1,1,0,1,1,0,2Zm0-4a1,1,0,1,1,0-2h10a1,1,0,1,1,0,2Z" transform="translate(-14551.5 -10189.5)"/>
+</svg>