*{box-sizing:border-box;margin:0;padding:0}
:root{--blue:#2b5cff;--blue-d:#1e3fd8;--ink:#1d2433;--sub:#4a5368;--mute:#6b7385;--line:#e6e8ef;--line2:#f0f1f5;--inb:#d5d9e4;--bg:#f6f7fb}
body{font-family:"Noto Sans CJK SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none;cursor:pointer}
button{font:inherit;cursor:pointer}
.w{max-width:1200px;margin:0 auto;padding:0 24px}
/* top nav */
.topnav{background:#fff;border-bottom:1px solid var(--line)}
.topnav .w{display:flex;align-items:center;height:60px;gap:28px}
.logo{font-weight:700;font-size:18px;color:var(--blue);white-space:nowrap;display:flex;align-items:center;gap:8px}.logo i{width:22px;height:22px;border-radius:6px;background:var(--blue);display:inline-block;flex:none}
.topnav .links{display:flex;gap:28px}.topnav .links a{color:var(--sub);white-space:nowrap}.topnav .links a.on{color:var(--blue)}
.topnav .r{margin-left:auto;display:flex;gap:12px;align-items:center;white-space:nowrap}
.lab{font-size:12px;color:var(--mute)}
/* buttons */
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:4px;height:38px;padding:0 16px;border-radius:8px;font-size:14px;border:1px solid var(--inb);background:#fff;color:var(--ink);line-height:1;flex:none}
.btn:hover{border-color:#b9c0d0}.btn:disabled{opacity:.55;cursor:default}
.btn.p{background:var(--blue);border-color:var(--blue);color:#fff}.btn.p:hover{background:var(--blue-d);border-color:var(--blue-d)}
.btn.s{height:30px;padding:0 12px;font-size:13px;border-radius:7px}
.btn.danger{color:#dc2626}
.link{color:var(--blue);background:none;border:0;padding:0;font-size:13px}
/* surfaces */
.card{background:#fff;border:1px solid var(--line);border-radius:12px}
.pad{padding:22px}
h2{font-size:22px;line-height:1.35;margin-bottom:6px}.sub{color:var(--mute);margin-bottom:18px}
.muted{color:var(--mute)}.small{font-size:13px}
.sec{margin:20px auto}
.tag{display:inline-block;font-size:12px;line-height:20px;padding:0 8px;border-radius:999px;background:#eef0f5;color:var(--sub);font-weight:500;white-space:nowrap;vertical-align:middle}
.tag.blue{background:#e6ecff;color:var(--blue)}.tag.green{background:#dcfce7;color:#15803d}.tag.amber{background:#fef3c7;color:#b45309}.tag.red{background:#fee2e2;color:#b91c1c}
code{font:12px/1.5 ui-monospace,"SFMono-Regular",Menlo,monospace;background:#eef1ff;color:var(--blue);padding:1px 6px;border-radius:4px;white-space:nowrap}
pre,.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,monospace}
pre{background:#0f1729;color:#c9d4f2;border-radius:10px;padding:14px 16px;font-size:12px;line-height:1.7;white-space:pre-wrap;word-break:break-all;overflow:auto}
/* forms */
input,select,textarea{font:inherit;height:40px;border:1px solid var(--inb);border-radius:8px;padding:0 12px;width:100%;color:var(--ink);background:#fff;min-width:0}
textarea{height:auto;padding:10px 12px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px #2b5cff1f}
input[type=checkbox]{width:16px;height:16px;accent-color:var(--blue);vertical-align:middle}
.in-s{height:30px;border-radius:7px;padding:0 10px;font-size:13px}
label{font-size:12px;color:var(--mute);display:block;margin:12px 0 6px}
/* tables */
table{width:100%;border-collapse:collapse;font-size:13px}
th{font-weight:500;color:var(--mute);text-align:left;white-space:nowrap;padding:8px;border-bottom:1px solid var(--line)}
td{padding:10px 8px;border-bottom:1px solid var(--line2);vertical-align:top}
.num{font-variant-numeric:tabular-nums}.r{text-align:right}
.pt{font-weight:600;color:#e5572f}
/* pill tabs */
.seg{display:flex;gap:6px;flex-wrap:wrap}.seg span{padding:5px 14px;border-radius:8px;color:var(--sub);cursor:pointer;user-select:none;white-space:nowrap;line-height:24px}.seg span.on{background:var(--blue);color:#fff}
.row{display:flex;gap:10px;align-items:center}
.kv{display:flex;justify-content:space-between;gap:16px;padding:4px 0}.kv>span:last-child{text-align:right;min-width:0;overflow-wrap:anywhere}.kv>span:first-child{flex:none}
.ellipsis{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hide{display:none!important}
.box{border:1px solid var(--line2);border-radius:10px;padding:14px;background:#fbfcfd}
.empty{padding:28px 16px;text-align:center;color:#9aa1b2;font-size:13px}
.scroll{max-height:520px;overflow:auto}.scroll th{position:sticky;top:0;background:#fff;z-index:1}
.list{list-style:none}.list li{position:relative;padding:3px 0 3px 16px}.list li:before{content:"";position:absolute;left:2px;top:12px;width:5px;height:5px;border-radius:50%;background:var(--blue)}
/* dialogs, toast */
.mask{position:fixed;inset:0;background:#0f172a40;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.dialog{width:420px;max-width:100%;max-height:calc(100vh - 40px);overflow:auto;padding:24px;box-shadow:0 12px 40px #0f172a2a}
.dialog.mid{width:520px}.dialog.wide{width:760px}
.dialog h3{font-size:17px;margin-bottom:4px}
.dialog .acts{display:flex;gap:10px;margin-top:20px}.dialog .acts .btn.p{flex:1}
#toast{position:fixed;left:50%;top:24px;transform:translateX(-50%);background:#0f172a;color:#fff;padding:10px 18px;border-radius:10px;z-index:70;box-shadow:0 8px 24px #0f172a33;max-width:calc(100vw - 40px)}
#toast.err{background:#b91c1c}
.foot{text-align:center;padding:28px 24px 40px}
/* assistant widget */
.chat-fab{position:fixed;right:24px;bottom:24px;z-index:40;height:44px;padding:0 18px;border-radius:22px;border:0;background:var(--blue);color:#fff;box-shadow:0 8px 24px #2b5cff55;font-weight:600}
.chat{position:fixed;right:24px;bottom:24px;width:360px;max-width:calc(100vw - 32px);height:min(560px,calc(100vh - 48px));z-index:41;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 30px rgba(20,30,60,.15);font-size:13px;display:flex;flex-direction:column}
.chat .ch{padding:12px 14px;border-bottom:1px solid #eef0f4;display:flex;align-items:center;gap:6px}.chat .ch b{white-space:nowrap}.chat .ch .x{margin-left:auto;border:0;background:none;font-size:18px;line-height:1;color:var(--mute);padding:0 2px}
.chat .cb{padding:12px 14px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;flex:1}
.chat .m{max-width:86%;padding:8px 10px;border-radius:10px;background:#f2f4f8;white-space:pre-wrap;overflow-wrap:anywhere}.chat .me{align-self:flex-end;background:var(--blue);color:#fff}
.chat .cf{border:1px solid #ffd0c2;background:#fff5f2;border-radius:10px;padding:10px}.chat .cf .row{margin-top:8px}
.chat .rs{border:1px solid var(--line);border-radius:10px;overflow:hidden}.chat .rs table{font-size:12px;table-layout:fixed}.chat .rs th,.chat .rs td{padding:6px 8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat form{border-top:1px solid #eef0f4;display:flex;gap:8px;padding:10px 12px}.chat form input{height:34px;font-size:13px}.chat form .btn{height:34px}
@media (max-width:760px){
 .w{padding:0 16px}.topnav .links{display:none}.topnav .r .lab{display:none}.topnav .w{gap:12px}
 code{white-space:normal;word-break:break-all}
 .chat{right:16px;bottom:16px}.chat-fab{right:16px;bottom:16px}
}