*{box-sizing:border-box}:root{--ink: #3b3b3b;--sky: #87ceeb;--pink: #f7c9d4;--muted: #8a8a8a;--line: #e6e6e6;--bg: #f7f7f7}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}#app{max-width:640px;margin:0 auto;min-height:100vh;background:var(--bg);padding-bottom:40px}.hero{display:flex;justify-content:center;padding:28px 0 12px}.trees{width:200px;height:120px}.compose{padding:8px 20px 0}.yell-input,.nickname-input,textarea{outline:none;border:1px solid var(--ink);background:#fff;color:var(--ink);font-size:15px;font-family:inherit}.yell-input:focus,.nickname-input:focus,textarea:focus{outline:none;box-shadow:none;border-color:var(--ink)}.yell-input{width:100%;height:52px;border-radius:4px;text-align:center;font-size:17px}.compose-row{display:flex;align-items:center;gap:10px;margin-top:10px}.nickname-input{flex:1;min-width:0;height:32px;border-radius:4px;padding:0 10px;font-size:13px;border-color:var(--line)}.nickname-input:disabled{background:#f0f0f0;color:var(--muted)}.anon{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--muted);white-space:nowrap;cursor:pointer}.send{height:32px;padding:0 14px;border:none;border-radius:4px;background:var(--sky);color:#fff;font-size:13px;font-family:inherit;cursor:pointer;white-space:nowrap}.send:disabled{background:#c9c9c9;cursor:not-allowed}.error{margin:8px 0 0;font-size:12px;color:#d9534f}.feed{margin-top:20px;background:#fff;border-top:1px solid var(--line)}.feed-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line)}.refresh{border:none;background:none;color:#5cb85c;cursor:pointer;padding:2px;display:inline-flex}.refresh:disabled{opacity:.4;cursor:default}.hint{margin:0;padding:22px 20px;text-align:center;font-size:13px;color:var(--muted)}.hint.empty:before,.hint.empty:after{content:"";display:inline-block;width:28%;height:1px;background:var(--line);vertical-align:middle;margin:0 8px}.list{list-style:none;margin:0;padding:0}.item{padding:16px 20px;border-bottom:1px solid var(--line)}.item:last-child{border-bottom:none}.who{margin:0 0 8px;font-size:16px;color:var(--ink)}.what{margin:0 0 10px;font-size:14px;color:#6b6b6b;line-height:1.6;white-space:pre-wrap;word-break:break-word}.when{margin:0;font-size:12px;color:#adadad}.more{display:block;width:100%;padding:14px;border:none;border-top:1px solid var(--line);background:none;color:var(--muted);font-size:13px;font-family:inherit;cursor:pointer}.foot{margin-top:28px;text-align:center;font-size:13px;color:#7f9fd0}.advice-btn{position:fixed;right:16px;bottom:16px;padding:8px 12px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted);font-size:13px;font-family:inherit;cursor:pointer;box-shadow:0 1px 4px #0000000f}.advice-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;padding:24px;z-index:10}.advice-box{width:100%;max-width:400px;background:#fff;border-radius:8px;padding:16px}.advice-title{margin:0 0 10px;font-size:15px;color:var(--ink)}.advice-box textarea{width:100%;border-radius:4px;padding:8px 10px;font-size:14px;resize:vertical;border-color:var(--line)}.advice-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.ghost{height:32px;padding:0 14px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--muted);font-size:13px;font-family:inherit;cursor:pointer}