:root{
  --bg:#f5f6f8; --panel:#ffffff; --border:#e6e9ee; --text:#16181d; --muted:#6b7280;
  --primary:#2563eb; --link:#2563eb; --star:#f5b301; --danger:#d64541;
  --chip-bg:#eef1f5; --chip-active:#16181d;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;}
a{color:var(--link);text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
.appbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--border);}
.appbar-inner{max-width:1020px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;gap:22px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;}
.brand .logo{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#2563eb,#5aa2ff);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px;}
.tabs{display:flex;gap:4px;}
.tab{padding:8px 16px;border:none;background:transparent;color:var(--muted);font-size:15px;border-radius:8px;font-weight:500;}
.tab:hover{background:#f0f2f5;color:var(--text);}
.tab.active{background:#eaeef5;color:var(--text);font-weight:600;}
.search{flex:1;display:flex;align-items:center;gap:8px;background:#f3f4f6;border:1px solid transparent;border-radius:10px;padding:8px 12px;max-width:360px;margin-left:auto;}
.search:focus-within{border-color:var(--primary);background:#fff;}
.search input{border:none;background:transparent;outline:none;flex:1;font-size:14px;color:var(--text);}
.search svg{width:16px;height:16px;color:var(--muted);flex:none;}
.refresh{display:flex;align-items:center;gap:7px;border:1px solid var(--border);background:#fff;color:var(--text);padding:8px 14px;border-radius:10px;font-size:14px;font-weight:500;}
.refresh:hover{border-color:#c9cdd4;background:#fafbfc;}
.refresh:disabled{opacity:.6;cursor:default;}
.refresh.busy{color:var(--muted);pointer-events:none;}

.wrap{max-width:1020px;margin:0 auto;padding:24px 24px 72px;}
.feed-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:6px;}
.feed-head h1{font-size:24px;font-weight:700;}
.feed-head .count{font-size:13px;color:var(--muted);}
.sources{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px;}
.chip{padding:7px 14px;border-radius:20px;background:var(--chip-bg);border:1px solid transparent;color:#3c4450;font-size:13.5px;font-weight:500;}
.chip:hover{background:#e6e9ee;}
.chip.active{background:var(--chip-active);color:#fff;}
.chip.err{color:var(--danger);}
.chip.err::after{content:" 采集失败";font-size:11.5px;opacity:.85;}
.notice{display:flex;align-items:center;gap:8px;background:#fdf3ef;border:1px solid #f5d9cd;color:#a4442a;padding:10px 14px;border-radius:10px;font-size:13.5px;margin:12px 0;}

.list{margin-top:12px;display:flex;flex-direction:column;gap:14px;}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px 20px;transition:box-shadow .15s,border-color .15s;cursor:pointer;}
.card:hover{box-shadow:0 6px 22px rgba(20,30,50,.07);border-color:#d6dbe3;}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:9px;}
.src{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;}
.src .dot{width:8px;height:8px;border-radius:50%;}
.time{font-size:12.5px;color:var(--muted);}
.bookmark{margin-left:auto;background:none;border:none;padding:4px;color:#c2c8d0;line-height:0;}
.bookmark:hover{color:var(--star);}
.bookmark.on{color:var(--star);}
.bookmark svg{width:20px;height:20px;}
.card h2{font-size:17.5px;font-weight:650;line-height:1.35;margin-bottom:7px;}
.card .snippet{font-size:14px;color:#3d4552;margin-bottom:0;}

.empty{text-align:center;padding:70px 24px;color:var(--muted);}
.empty .icon{font-size:38px;margin-bottom:12px;}
.empty .t{font-size:16px;font-weight:600;color:#333;margin-bottom:6px;}
.empty .d{font-size:14px;max-width:420px;margin:0 auto;}
.empty button{margin-top:18px;border:none;background:#16181d;color:#fff;padding:9px 18px;border-radius:10px;font-size:14px;}

.back{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--border);padding:7px 14px;border-radius:10px;font-size:14px;color:#333;margin-bottom:18px;}
.back:hover{border-color:#c9cdd4;background:#fafbfc;}
.article{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:40px 46px;}
.article .a-top{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap;}
.article h1{font-size:30px;font-weight:720;line-height:1.28;margin-bottom:14px;}
.meta{color:var(--muted);font-size:13.5px;display:flex;gap:14px;flex-wrap:wrap;margin-bottom:6px;}
.article .body{color:#20242b;font-size:16.5px;line-height:1.8;white-space:pre-wrap;}
.article .missing{background:#f8f9fb;border:1px dashed #d6dbe3;border-radius:12px;padding:26px 24px;color:#3d4552;font-size:15px;}
.article-footer{margin-top:26px;padding-top:20px;border-top:1px solid #eef1f5;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.btn-outline{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);color:#333;padding:9px 18px;border-radius:10px;font-size:14px;font-weight:500;}
.btn-dark{display:inline-flex;align-items:center;gap:8px;background:#16181d;color:#fff;border:none;padding:9px 18px;border-radius:10px;font-size:14px;font-weight:500;}

.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);background:#16181d;color:#fff;padding:11px 20px;border-radius:22px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;box-shadow:0 8px 24px rgba(0,0,0,.2);z-index:50;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
@media(max-width:720px){.article{padding:28px 22px;}.article h1{font-size:24px;}.search{max-width:190px;}}