feat: 更新网站页面和组件，新增多个页面（关于、专家、会员、政策等）

public/hero/hero-2.svg

@@ -0,0 +1,23 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="1600" height="900" viewBox="0 0 1600 900" role="img" aria-label="决策咨询背景图">
+  <defs>
+    <linearGradient id="g2" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0" stop-color="#0F3D73"/>
+      <stop offset="0.55" stop-color="#1E6FB5"/>
+      <stop offset="1" stop-color="#2BA69A"/>
+    </linearGradient>
+    <radialGradient id="r2" cx="25%" cy="30%" r="65%">
+      <stop offset="0" stop-color="rgba(255,255,255,0.16)"/>
+      <stop offset="1" stop-color="rgba(255,255,255,0)"/>
+    </radialGradient>
+  </defs>
+  <rect width="1600" height="900" fill="url(#g2)"/>
+  <rect width="1600" height="900" fill="url(#r2)"/>
+  <g fill="rgba(255,255,255,0.10)">
+    <rect x="120" y="140" width="520" height="14" rx="7"/>
+    <rect x="120" y="190" width="700" height="12" rx="6"/>
+    <rect x="120" y="235" width="620" height="12" rx="6"/>
+    <rect x="120" y="280" width="740" height="12" rx="6"/>
+  </g>
+  <path d="M0 660C260 580 420 650 600 730C780 810 980 820 1220 740C1460 660 1540 620 1600 590V900H0V660Z" fill="rgba(255,255,255,0.08)"/>
+</svg>
+