feat: refine tiangong flows and integrate profile avatars

src/pages/home/index.scss

@@ -4,6 +4,8 @@
   box-sizing: border-box; color: #2c263a; overflow-x: hidden;
   background: linear-gradient(180deg,#9d81fb 0,#c6acfb 300px,#eddaff 660px,#f7edff 1120px,#f6f2ff 100%);
 }
+.home-protected { position: relative; }
+.home-locked .binding-gate-content { margin-top: 16vh; }
 .home-preview-note { position: absolute; top: calc(110px + env(safe-area-inset-top)); left: 0; right: 0; color: rgba(60,41,104,.65); font-size: 22px; line-height: 1.5; text-align: center; }
 .home-day-switch { display: flex; align-items: center; gap: 38px; padding: 0 16px; }
 .home-avatar-orb { flex: none; width: 108px; height: 108px; border: 3px solid rgba(255,255,255,.75); border-radius: 50%; box-sizing: border-box; background: #fffef0; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 20px rgba(115,78,168,.1); overflow: hidden; }