文案：明确观看直播无需登录，仅发弹幕需账号

Made-with: Cursor

web/src/views/Home.vue

@@ -117,7 +117,9 @@
               </div>
               <div class="live-cta-copy">
                 <h2 class="live-cta-title">{{ data.live_room_title || '视频直播' }}</h2>
-                <p class="live-cta-desc">直播由管理后台「视频直播开播」推送；开播后首页左上角自动出现画中画，也可进入全屏直播页。</p>
+                <p class="live-cta-desc">
+                  直播由管理后台「视频直播开播」推送；开播后首页左上角自动出现画中画，也可进入全屏直播页。观看无需登录。
+                </p>
               </div>
               <router-link to="/live" class="live-cta-btn">进入直播页</router-link>
             </div>

web/src/views/LiveRoom.vue

@@ -9,6 +9,7 @@
 
       <section class="live-block" aria-label="本站直播">
         <h2 class="live-block-title">本站直播（WebRTC）</h2>
+        <p class="live-no-login-hint">观看直播无需登录；注册/登录仅用于发送弹幕。</p>
         <div class="live-quality-row">
           <label class="live-quality-label" for="live-cap-q">采集画质</label>
           <select id="live-cap-q" v-model="captureQualityPref" class="live-quality-select">
@@ -82,7 +83,7 @@
                 class="live-dm-input"
                 type="text"
                 maxlength="120"
-                :placeholder="dmLoggedIn ? '发条弹幕…' : '登录后可发弹幕（仍可观看）'"
+                :placeholder="dmLoggedIn ? '发条弹幕…' : '登录后可发弹幕'"
                 autocomplete="off"
                 :disabled="!dmLoggedIn"
                 @keydown.enter.prevent="sendDm"
@@ -505,6 +506,12 @@ onUnmounted(() => {
   color: rgba(255, 255, 255, 0.92);
   margin: 0 0 10px;
 }
+.live-no-login-hint {
+  margin: 0 0 12px;
+  font-size: 13px;
+  line-height: 1.5;
+  color: rgba(255, 255, 255, 0.55);
+}
 .live-quality-row {
   display: flex;
   flex-wrap: wrap;