更新文档

docs/stylesheets/extra.css

@@ -157,6 +157,31 @@
     vertical-align: -0.35em !important;
 }
 
+/* HERO */
+.hero {
+    width: 390px;
+    max-width: 100vw;
+    height: 160px;
+    position: absolute;
+    margin: 0 auto;
+}
+
+.hero-background {
+    top: 50%;
+    width: 50%;
+    height: 80px;
+    position: absolute;
+    background-image: var(--hero-background-image);
+    filter: blur(68px);
+    transform: translate(-50%, -50%);
+}
+
+@media screen and (max-width: 768px) {
+    .hero {
+        width: calc(100% - .8rem - 40px);
+    }
+}
+
 /* 赞助组件 */
 .sponsor {
     padding-top: 1rem;