.sound-toggle{position:fixed;right:24px;bottom:96px;z-index:4;width:48px;height:48px;border:1px solid #dce2ed;border-radius:15px;background:#fff;color:#3154a0;box-shadow:0 8px 24px #24345c1c;cursor:pointer;font-size:20px;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease}.sound-toggle:hover{transform:translateY(-3px);box-shadow:0 12px 28px #24345c2b}.sound-toggle:active{transform:scale(.92)}.sound-toggle:focus-visible{outline:3px solid #7ca1ef;outline-offset:3px}.sound-toggle.muted{color:#969daa;background:#f1f3f7}.hero-avatar{width:190px;height:190px;margin:0 auto 16px;border-radius:50%;overflow:hidden;background:#edf3ff;box-shadow:0 16px 36px #5277ba38;border:6px solid #fff;animation:avatar-in .6s cubic-bezier(.2,.8,.2,1) both}.hero-avatar img{display:block;width:100%;height:100%;object-fit:cover;transition:opacity .2s ease,transform .25s ease}.hero-avatar img.thinking{transform:scale(1.03)}.hero-avatar img.speaking{transform:scale(1.05);box-shadow:0 0 0 7px #93b5ff55}.answer-label{display:flex;align-items:center;gap:8px}.answer-label:before{content:'梓';display:grid;place-items:center;width:25px;height:25px;border-radius:9px;background:linear-gradient(135deg,#3978f6,#2154c8);color:#fff;font-size:12px;box-shadow:0 4px 10px #2764dc2e}.answer-text{padding-left:33px}.message.user .bubble{border:1px solid #d8e5ff}.chat::-webkit-scrollbar{width:8px}.chat::-webkit-scrollbar-thumb{background:#d9e0ec;border-radius:8px}.chat::-webkit-scrollbar-track{background:transparent}.send{width:44px!important;height:44px!important;border-radius:50%!important;font-size:20px!important;display:grid;place-items:center;padding:0 0 2px 2px;box-shadow:0 6px 16px #2764dc42!important}.send:hover{transform:translateY(-2px) scale(1.04)!important}@keyframes avatar-in{from{opacity:0;transform:translateY(10px) scale(.92)}to{opacity:1;transform:none}}@media(max-width:700px){.sound-toggle{right:18px;bottom:82px;width:44px;height:44px}.hero-avatar{width:148px;height:148px;margin-bottom:12px}.answer-text{padding-left:33px}.send{width:42px!important;height:42px!important;font-size:18px!important}}