docs: 更新新手提示、隐藏虾盘云注册入口

- README 新手提示加入产品经理故事和招募号召
- 删除 SophNet 广告大段内容
- cloud.html 注册按钮置灰，加暂停服务提示
- index.html 虾盘云入口全部改为不可点击

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

website/cloud.html

@@ -325,7 +325,7 @@
     <a href="#pricing">价格</a>
     <a href="#howto">接入</a>
     <a href="https://u-claw.org">虾盘官网</a>
-    <a href="https://api.u-claw.org/register" class="nav-cta">免费注册</a>
+    <span class="nav-cta" style="opacity:0.5;cursor:not-allowed;">暂不可用</span>
   </div>
 </nav>
 
@@ -336,9 +336,10 @@
   <div class="hero-sub">OpenClaw 官方 AI API 服务</div>
   <div class="hero-desc">为虾盘 U 盘用户专属打造。接入 DeepSeek、Qwen，按量计费，开箱即用，无需折腾。</div>
   <div class="hero-cta">
-    <a href="https://api.u-claw.org/register" class="btn btn-primary">免费注册 →</a>
+    <span class="btn btn-primary" style="opacity:0.5;cursor:not-allowed;">暂时不可用</span>
     <a href="#howto" class="btn btn-outline">查看接入教程</a>
   </div>
+  <p style="color:#ff6b35;margin-top:8px;font-size:14px;">⚠️ 虾盘云目前暂停服务，敬请期待。</p>
 
   <div class="hero-stats">
     <div class="stat"><div class="stat-num">¥3</div><div class="stat-label">DeepSeek V3 起</div></div>

website/index.html

@@ -356,9 +356,9 @@
             <span class="zh">🖥 虾盘 MiniPC（即将推出）</span>
             <span class="en hidden">🖥 MiniPC (Coming Soon)</span>
         </a>
-        <a href="https://cloud.u-claw.org" target="_blank" class="btn btn-outline" style="border-color:#ff6b35;color:#ff6b35;">
-            <span class="zh">☁️ 虾盘云 API</span>
-            <span class="en hidden">☁️ Cloud API</span>
+        <a href="#" onclick="return false;" class="btn btn-outline" style="border-color:#ccc;color:#ccc;cursor:not-allowed;">
+            <span class="zh">☁️ 虾盘云 API（暂不可用）</span>
+            <span class="en hidden">☁️ Cloud API (Unavailable)</span>
         </a>
     </div>
 
@@ -669,9 +669,9 @@
             <span class="zh">🖥 虾盘 MiniPC（即将推出）</span>
             <span class="en hidden">🖥 MiniPC (Coming Soon)</span>
         </a>
-        <a href="https://cloud.u-claw.org" target="_blank" class="btn btn-outline" style="border-color:#ff6b35;color:#ff6b35;">
-            <span class="zh">☁️ 虾盘云 API</span>
-            <span class="en hidden">☁️ Cloud API</span>
+        <a href="#" onclick="return false;" class="btn btn-outline" style="border-color:#ccc;color:#ccc;cursor:not-allowed;">
+            <span class="zh">☁️ 虾盘云 API（暂不可用）</span>
+            <span class="en hidden">☁️ Cloud API (Unavailable)</span>
         </a>
     </div>
 </div>
@@ -737,7 +737,7 @@
         <a href="agent.html">远程控制</a> ·
         <a href="https://github.com/openclaw/openclaw">OpenClaw</a> ·
         <a href="mailto:hefangsheng@gmail.com">hefangsheng@gmail.com</a> ·
-        <a href="https://cloud.u-claw.org" style="color:#ff6b35;">虾盘云 API</a>
+        <span style="color:#ccc;cursor:not-allowed;">虾盘云 API（暂不可用）</span>
     </p>
 </footer>