*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:#eef1f5;color:#333;font-size:15px;line-height:1.65}
a{color:#ff8200;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1020px;margin:0 auto;padding:0 16px}
.topbar{background:#fff;border-bottom:1px solid #e4e4e4;position:sticky;top:0;z-index:10}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:58px}
.logo{font-size:23px;font-weight:800;color:#ff8200;letter-spacing:1px}
.logo:hover{text-decoration:none}
.topbar nav a{margin-left:22px;color:#555;font-size:15px}
.topbar nav a:hover{color:#ff8200;text-decoration:none}
.page{padding:20px 16px;min-height:70vh}
.cols{display:grid;grid-template-columns:1fr 300px;gap:18px;align-items:start}
@media(max-width:820px){.cols{grid-template-columns:1fr}.side{display:none}}
.card{background:#fff;border-radius:10px;padding:16px;margin-bottom:14px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.avatar{width:46px;height:46px;border-radius:50%;flex:none;background:#ffe8d1}
/* 发布框 */
.composer-top{display:flex;gap:12px}
.composer textarea{flex:1;border:1px solid #e0e0e0;border-radius:8px;padding:10px 12px;resize:vertical;font-size:15px;font-family:inherit;line-height:1.6;min-height:76px}
.composer textarea:focus{outline:none;border-color:#ff8200;box-shadow:0 0 0 2px rgba(255,130,0,.12)}
.composer-bar{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:10px}
.composer-bar input{border:1px solid #e0e0e0;border-radius:8px;padding:8px 10px;width:132px;font-size:14px;font-family:inherit}
.composer-bar input:focus{outline:none;border-color:#ff8200}
.composer-bar button{background:#ff8200;color:#fff;border:none;border-radius:20px;padding:8px 30px;font-size:15px;cursor:pointer;font-family:inherit}
.composer-bar button:hover{background:#e87400}
.composer-bar button:disabled{opacity:.6;cursor:wait}
.composer-msg{font-size:13px;margin-top:8px;min-height:18px;color:#d93025}
.composer-msg.ok{color:#188038}
/* 微博卡片 */
.post{display:flex;gap:12px}
.post-body{flex:1;min-width:0}
.post-head{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.nick{font-weight:700;color:#333;font-size:15px}
.post-head time{font-size:12px;color:#999}
.post-title{font-size:17px;margin:2px 0 8px;color:#222}
.post-content{word-break:break-word;color:#333}
.post-content p{margin:0 0 8px}
.post-content p:last-child{margin-bottom:0}
.post-content img{max-width:100%;border-radius:6px}
.post-foot{margin-top:10px;font-size:13px}
/* 侧栏 */
.side .card h3{font-size:15px;margin-bottom:6px;color:#333}
.profile{text-align:center;padding:22px 16px}
.profile .avatar{width:74px;height:74px;margin-bottom:10px}
.profile .nick{font-size:17px}
.profile .bio{font-size:13px;color:#888;margin-top:6px}
.arch-list{list-style:none}
.arch-list li{padding:9px 0;border-bottom:1px solid #f2f2f2;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arch-list li:last-child{border-bottom:none}
.arch-list time{color:#999;font-size:12px;margin-right:8px}
.page-title{font-size:19px;margin-bottom:8px}
.detail-back{display:inline-block;margin-bottom:12px;font-size:14px}
.notfound{text-align:center;padding:48px 16px}
.notfound p{margin-top:12px}
footer{ text-align:center;color:#aaa;font-size:12px;padding:26px 16px 34px}