优化界面布局: 简化短信列表，增强统计信息详情

Changes:
- 短信列表: 简化为列表视图，只显示号码、时间、完整内容
- 统计信息: 最近接收增加详细参数(签名、IP、详情链接)
- 统计信息: 显示从10条增加到20条
- 优化CSS样式，提升可读性

sms_receiver.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=SMS Receiver Web Service
+After=network.target
+
+[Service]
+Type=forking
+User=root
+WorkingDirectory=/root/.openclaw/workspace/sms-receiver
+ExecStart=/root/.openclaw/workspace/sms-receiver/sms_receiverctl.sh start
+ExecStop=/root/.openclaw/workspace/sms-receiver/sms_receiverctl.sh stop
+ExecReload=/root/.openclaw/workspace/sms-receiver/sms_receiverctl.sh restart
+PIDFile=/root/.openclaw/workspace/sms-receiver/sms_receiver.pid
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target