修复了一些问题

assets/css/frontend/messages.css

@@ -101,6 +101,13 @@
 /* ---- 右侧内容 ---- */
 .messages-center__content {
     min-width: 0;
+    outline: none;
+    transition: opacity 0.15s ease;
+}
+
+.messages-center.is-loading .messages-center__content {
+    opacity: 0.55;
+    pointer-events: none;
 }
 
 .messages-list {
@@ -166,6 +173,20 @@
     gap: 8px;
 }
 
+button.message-item__title {
+    width: 100%;
+    padding: 0;
+    border: 0;
+    background: transparent;
+    font-family: inherit;
+    text-align: left;
+    cursor: pointer;
+}
+
+button.message-item__title:hover {
+    color: var(--color-primary, #3b82f6);
+}
+
 .message-item__new-badge {
     display: inline-block;
     padding: 1px 6px;
@@ -177,6 +198,94 @@
     line-height: 1.4;
 }
 
+/* ---- 消息详情（右侧 DOM 视图，不改变地址） ---- */
+.message-detail {
+    min-height: 360px;
+    padding: 28px 32px;
+    background: var(--surface-card, #fff);
+    border-radius: 12px;
+    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
+}
+
+.message-detail__header {
+    position: relative;
+    padding: 48px 0 22px;
+    border-bottom: 1px solid var(--color-line);
+    text-align: center;
+}
+
+.message-detail__back {
+    position: absolute;
+    top: 0;
+    left: 0;
+    padding: 7px 10px;
+    border: 0;
+    border-radius: 6px;
+    background: var(--surface-hover, rgba(0, 0, 0, 0.04));
+    color: var(--color-ink-3, #666);
+    cursor: pointer;
+}
+
+.message-detail__icon {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 52px;
+    height: 52px;
+    margin-bottom: 14px;
+    border-radius: 50%;
+    background: var(--color-primary-light, rgba(59, 130, 246, 0.1));
+    color: var(--color-primary, #3b82f6);
+    font-size: 20px;
+}
+
+.message-detail__title {
+    margin: 0 0 8px;
+    color: var(--color-ink);
+    font-size: 22px;
+}
+
+.message-detail__meta {
+    margin: 0;
+    color: var(--color-ink-4, #999);
+    font-size: 12px;
+}
+
+.message-detail__content {
+    min-height: 140px;
+    padding: 28px 4px;
+    color: var(--color-ink-2, #444);
+    font-size: 15px;
+    line-height: 1.9;
+    overflow-wrap: anywhere;
+}
+
+.message-detail__content p {
+    margin: 0 0 1em;
+}
+
+.message-detail__actions {
+    display: flex;
+    align-items: center;
+    justify-content: flex-end;
+    gap: 10px;
+    padding-top: 18px;
+    border-top: 1px solid var(--color-line);
+}
+
+.message-detail__primary {
+    padding: 8px 16px;
+    border-radius: 6px;
+    background: var(--color-primary, #3b82f6);
+    color: #fff;
+    text-decoration: none;
+}
+
+html.dark .message-detail {
+    background: var(--surface-1);
+    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
+}
+
 .message-item__desc {
     font-size: 13px;
     color: var(--color-ink-3, #666);
@@ -301,6 +410,25 @@
         flex-direction: column;
         gap: 4px;
     }
+
+    .message-detail {
+        min-height: 300px;
+        padding: 20px 16px;
+    }
+
+    .message-detail__title {
+        font-size: 18px;
+    }
+
+    .message-detail__actions {
+        align-items: stretch;
+        flex-direction: column;
+    }
+
+    .message-detail__primary,
+    .message-detail__actions .message-item__action-btn {
+        text-align: center;
+    }
 }
 
 /* ---- 暗色模式 ---- */