v 0.3 Preview: Update admin

backend/templates/admin/base_site.html

@@ -0,0 +1,26 @@
+{% extends "admin/base.html" %}
+{% load static %}
+
+{% block title %}{{ title }} | 葫芦数学后台{% endblock %}
+
+{% block extrastyle %}
+  {{ block.super }}
+  <link rel="stylesheet" href="{% static 'admin/css/hulumath_admin.css' %}">
+{% endblock %}
+
+{% block branding %}
+  <div class="hulu-brand">
+    <a href="{% url 'admin:index' %}" class="hulu-brand-mark">H</a>
+    <div>
+      <a href="{% url 'admin:index' %}" class="hulu-brand-name">葫芦数学</a>
+      <span>运营管理中心</span>
+    </div>
+  </div>
+{% endblock %}
+
+{% block nav-global %}
+  <div class="hulu-global-nav">
+    <span class="hulu-environment">{{ admin_environment|default:"运营后台" }}</span>
+    <a href="/" target="_blank" rel="noopener">查看网站</a>
+  </div>
+{% endblock %}