body,html{margin:0;padding:0;box-sizing:border-box;font-family:'PingFang SC','Microsoft YaHei',Arial,sans-serif;background:#f5f5f7;}
.main-bg{display:flex;align-items:center;justify-content:center;height:100vh;background:#e5e6eb;}
.container{background:#fff;padding:32px 24px 24px 24px;border-radius:16px;box-shadow:0 4px 24px rgba(0,0,0,0.08);display:flex;flex-direction:column;align-items:center;}
.title{font-size:2rem;font-weight:600;margin-bottom:32px;color:#222;}
.main-btn{width:220px;padding:14px 0;margin:12px 0;font-size:1.1rem;border:none;border-radius:8px;background:#07c160;color:#fff;font-weight:500;box-shadow:0 2px 8px rgba(7,193,96,0.08);cursor:pointer;transition:background 0.2s;}
.main-btn:active{background:#059948;}
.call-btn{background:#4a90e2;}
.call-btn:active{background:#357ab8;}

/* 聊天页面 */
.chat-bg{background:#f5f5f7;min-height:100vh;}
.chat-container{max-width:480px;margin:0 auto;display:flex;flex-direction:column;height:100vh;box-shadow:0 2px 12px rgba(0,0,0,0.04);background:#fff;}
.chat-header{height:56px;line-height:56px;text-align:center;font-size:1.2rem;font-weight:600;background:#07c160;color:#fff;border-radius:0 0 12px 12px;box-shadow:0 2px 8px rgba(7,193,96,0.08);}
.chat-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;}
.chat-bubble{max-width:70%;padding:10px 16px;border-radius:18px;font-size:1rem;line-height:1.5;word-break:break-all;box-shadow:0 1px 4px rgba(0,0,0,0.04);}
.chat-bubble.me{align-self:flex-end;background:#07c160;color:#fff;border-bottom-right-radius:4px;}
.chat-bubble.other{align-self:flex-start;background:#f0f0f0;color:#222;border-bottom-left-radius:4px;}
.chat-input-bar{display:flex;padding:12px 8px;background:#fafbfc;border-top:1px solid #eee;}
#chat-input{flex:1;padding:10px 12px;font-size:1rem;border:1px solid #e0e0e0;border-radius:8px;outline:none;}
#send-btn{margin-left:8px;padding:0 18px;font-size:1rem;background:#07c160;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background 0.2s;}
#send-btn:active{background:#059948;}
@media (max-width:600px){.container{padding:18px 8px 16px 8px;}.main-btn{width:98%;}.chat-container{max-width:100vw;}}