:root{
  --ink:#1B1F26; --ink-2:#4B5563; --ink-3:#8A94A6;
  --line:#E8EBF0; --bg:#FFFFFF; --bg-2:#FAFBFC;
  --blue:#1F5FBF; --blue-l:#EAF1FC; --red:#D0021B;
  --mark:#FFF0B8; --dark:#111827;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  color:var(--ink); background:var(--bg); font-size:14px; line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}
a{color:var(--blue); text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#F7FAFF 0%,#FFF 60%,#FDF7F7 100%);padding:24px}
.login-card{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:34px 30px;box-shadow:0 12px 40px rgba(17,24,39,.06)}
.login-brand{margin-bottom:26px}
.login-brand .logo{font-size:22px;font-weight:800;letter-spacing:.5px}
.login-brand .logo::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;
  background:var(--red);margin-right:9px;vertical-align:3px}
.login-brand p{margin:8px 0 0;font-size:12.5px;color:var(--ink-3)}
.login-card label{display:block;margin-bottom:15px;font-size:13px;color:var(--ink-2)}
.login-card input{display:block;width:100%;margin-top:6px;padding:11px 13px;font-size:14px;
  border:1px solid var(--line);border-radius:9px;outline:none;background:var(--bg-2);font-family:inherit}
.login-card input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px var(--blue-l)}
.btn{border:1px solid var(--line);background:#fff;color:var(--ink-2);padding:9px 16px;
  border-radius:9px;font-size:14px;cursor:pointer;transition:.15s;white-space:nowrap}
.btn:hover{border-color:#CBD5E1;color:var(--ink)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.primary:hover{background:#1A50A3;border-color:#1A50A3}
.btn.ghost{background:transparent;border-color:transparent}
.btn.ghost:hover{background:#EFF2F7}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}
.hint{margin:10px 0 0;font-size:13px;color:var(--red);min-height:20px}
.login-foot{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-3);line-height:1.7}

/* ---------- 布局 ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:232px;flex:0 0 232px;background:#F7F8FA;border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:18px 12px 12px;position:sticky;top:0;height:100vh}
.side-head{display:flex;align-items:center;gap:9px;padding:0 8px 18px}
.side-logo{width:9px;height:9px;border-radius:50%;background:var(--red);flex:0 0 auto}
.side-title{font-size:16px;font-weight:800;letter-spacing:.3px}
.side-group{margin-bottom:14px}
.side-group.grow{flex:1}
.side-label{font-size:11.5px;color:var(--ink-3);padding:0 8px 6px;letter-spacing:.5px}
.side-item{display:flex;align-items:center;gap:9px;width:100%;text-align:left;border:none;
  background:transparent;padding:8px 9px;border-radius:8px;font-size:13.5px;color:var(--ink-2);
  cursor:pointer;transition:.12s;margin-bottom:1px}
.side-item:hover{background:#EDF0F5;color:var(--ink)}
.side-item.active{background:#E6EAF1;color:var(--ink);font-weight:600}
.side-item .ico{width:15px;text-align:center;color:var(--ink-3);font-size:12px}
.side-item.active .ico{color:var(--ink-2)}
.side-item .num{margin-left:auto;font-size:11.5px;color:var(--ink-3);font-weight:400}
.side-topics{display:flex;flex-direction:column;gap:1px}
.side-foot{display:flex;align-items:center;gap:2px;padding-top:10px;border-top:1px solid var(--line)}
.side-foot span{flex:1;font-size:12px;color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.main{flex:1;min-width:0;padding:26px 40px 60px;max-width:1060px}
.head{display:flex;align-items:flex-start;gap:20px;margin-bottom:18px}
.head h1{margin:0;font-size:23px;font-weight:700;letter-spacing:-.2px}
.head-right{margin-left:auto}
.searchbox{display:flex;gap:6px;align-items:center;background:#F1F3F7;border:1px solid transparent;
  border-radius:10px;padding:4px 4px 4px 12px;min-width:280px}
.searchbox:focus-within{background:#fff;border-color:#CFDAEA}
.searchbox input{border:none;background:transparent;outline:none;flex:1;font-size:13.5px;
  padding:6px 0;font-family:inherit;color:var(--ink)}
.searchbox input::placeholder{color:var(--ink-3)}

/* ---------- 频道 & 子筛选 ---------- */
.channels{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:12px}
.ch{display:flex;align-items:center;gap:6px;padding:8px 15px;border-radius:22px;border:1px solid transparent;
  background:transparent;font-size:13.5px;color:var(--ink-2);cursor:pointer;transition:.12s}
.ch:hover{background:#F1F3F7}
.ch.active{background:#fff;border-color:var(--line);color:var(--ink);font-weight:600;
  box-shadow:0 1px 3px rgba(17,24,39,.06)}
.ch .n{font-size:11.5px;color:var(--ink-3);font-weight:400}
.subfilters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:22px;min-height:28px}
.sub{display:flex;align-items:center;gap:5px;padding:4px 11px;border-radius:7px;border:1px solid var(--line);
  background:#fff;font-size:12.5px;color:var(--ink-2);cursor:pointer}
.sub:hover{border-color:#CBD5E1}
.sub.on{background:var(--dark);border-color:var(--dark);color:#fff}
.sub .n{font-size:11px;opacity:.65}
.sub-note{font-size:12px;color:var(--ink-3)}

/* ---------- 时间线 ---------- */
.timeline{position:relative}
.dayhead{display:flex;align-items:center;gap:10px;margin:26px 0 14px}
.dayhead:first-child{margin-top:0}
.dayhead b{font-size:15px;font-weight:700}
.dayhead span{font-size:12.5px;color:var(--ink-3)}
.dayhead::after{content:"";flex:1;height:1px;background:var(--line);margin-left:4px}

.node{display:flex;gap:14px;position:relative;padding-bottom:10px}
.node-rail{width:9px;flex:0 0 9px;position:relative;display:flex;justify-content:center}
.node-rail::before{content:"";position:absolute;top:0;bottom:0;width:1px;background:var(--line)}
.node-dot{width:7px;height:7px;border-radius:50%;background:var(--blue);margin-top:22px;position:relative;
  z-index:1;box-shadow:0 0 0 3px #fff}
.node-card{flex:1;min-width:0;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:15px 18px;margin-bottom:4px;cursor:pointer;transition:.15s}
.node-card:hover{border-color:#C9D8EE;box-shadow:0 4px 16px rgba(17,24,39,.06)}
.node-top{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);margin-bottom:7px}
.node-top .src{color:var(--ink-2)}
.node-top .pick{color:var(--blue);font-size:11.5px}
.node-top .right{margin-left:auto;display:flex;align-items:center;gap:10px}
.score{font-size:11.5px;color:var(--ink-3);background:#F1F3F7;padding:1px 7px;border-radius:5px}
.score.hi{color:#B45309;background:#FEF3C7}
.node-card h3{margin:0 0 7px;font-size:15.5px;font-weight:650;line-height:1.55;letter-spacing:-.1px}
.node-card h3 mark,.node-card p mark{background:var(--mark);color:inherit;padding:0 1px;border-radius:2px}
.node-card p{margin:0 0 10px;font-size:13.5px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tags{display:flex;gap:7px;flex-wrap:wrap}
.tag{font-size:11.5px;color:var(--ink-3);background:#F5F7FA;border-radius:5px;padding:1px 8px}
.tag.topic{color:var(--blue);background:var(--blue-l)}
.tag.cat{color:#7C3AED;background:#F3EEFE}
.empty{padding:56px 20px;text-align:center;color:var(--ink-3);font-size:14px}
.empty b{display:block;color:var(--ink-2);margin-bottom:6px;font-size:15px}

.pager{display:flex;gap:6px;justify-content:center;padding:22px 0 6px;flex-wrap:wrap}
.pager button{min-width:34px;padding:6px 11px;font-size:13px;border:1px solid var(--line);
  background:#fff;border-radius:8px;cursor:pointer;color:var(--ink-2)}
.pager button.on{background:var(--dark);border-color:var(--dark);color:#fff}
.foot{padding:16px 0;font-size:12px;color:var(--ink-3);text-align:center}

/* ---------- 报告 ---------- */
.report{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin-bottom:26px}
.report h2{margin:0 0 4px;font-size:17px}
.report .sub2{font-size:12.5px;color:var(--ink-3);margin-bottom:18px}
.rep-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-bottom:18px}
.rep-cell{background:var(--bg-2);border-radius:10px;padding:12px 14px}
.rep-cell b{display:block;font-size:21px;color:var(--blue);line-height:1.3}
.rep-cell span{font-size:12px;color:var(--ink-3)}
.rep-row{display:flex;gap:26px;flex-wrap:wrap;margin-bottom:16px;font-size:13px}
.rep-row>div{flex:1;min-width:210px}
.rep-row h4{margin:0 0 8px;font-size:12.5px;color:var(--ink-3);font-weight:500}
.rep-li{display:flex;gap:8px;font-size:13px;color:var(--ink-2);padding:3px 0}
.rep-li .n{margin-left:auto;color:var(--ink-3);font-size:12px}

/* ---------- 采集日志 ---------- */
.runs{background:#fff;border:1px solid var(--line);border-radius:14px;padding:6px 4px;margin-bottom:24px}
.run-row{display:flex;gap:14px;padding:11px 18px;font-size:13px;color:var(--ink-2);
  border-bottom:1px solid #F2F4F8}
.run-row:last-child{border-bottom:none}
.run-row .t{width:130px;color:var(--ink-3);font-size:12.5px}
.run-row .s{margin-left:auto;font-size:12px;color:var(--ink-3)}
.ok{color:#059669}.warn{color:#B45309}.bad{color:var(--red)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:60}
.drawer-mask{position:absolute;inset:0;background:rgba(17,24,39,.32)}
.drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(760px,94vw);background:#fff;
  display:flex;flex-direction:column;box-shadow:-10px 0 40px rgba(0,0,0,.14)}
.drawer-head{display:flex;gap:14px;align-items:flex-start;padding:22px 24px 12px;border-bottom:1px solid var(--line)}
.drawer-head h2{margin:0;font-size:17.5px;line-height:1.55;flex:1;font-weight:650}
.icon-btn{border:none;background:transparent;font-size:15px;color:var(--ink-3);cursor:pointer;padding:3px}
.drawer-meta{display:flex;flex-wrap:wrap;gap:8px 20px;padding:13px 24px;font-size:13px;
  color:var(--ink-3);border-bottom:1px solid var(--line);background:var(--bg-2)}
.drawer-meta b{font-weight:500;color:var(--ink-2)}
.drawer-body{padding:20px 24px;overflow:auto;flex:1;font-size:14px;line-height:1.95;
  color:#2B3240;white-space:pre-wrap;word-break:break-word}
.drawer-foot{padding:14px 24px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end}
.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%);background:var(--dark);
  color:#fff;padding:10px 20px;border-radius:9px;font-size:13px;z-index:80;max-width:80vw}

@media (max-width:900px){
  .sidebar{display:none}
  .main{padding:20px 18px 50px}
  .head{flex-wrap:wrap;gap:12px}
  .head-right{margin-left:0;width:100%}
  .searchbox{min-width:0;width:100%}
  .node-time{display:none}
}