:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--g-50:#f7f8fa;--g-100:#eef0f4;--g-200:#e3e6ec;--g-300:#cdd2dc;--g-400:#a4abba;--g-500:#737b8c;--g-600:#565e6f;--g-700:#3f4655;--g-800:#2a2f3a;--g-900:#1b1f27;--acc-50:#edeef8;--acc-100:#dddff3;--acc-200:#c3c7ea;--acc-300:#9fa6df;--acc-400:#7e87d7;--acc-500:#5e6ad2;--acc-600:#515cbd;--acc-700:#3f49a6;--acc-800:#353d88;--acc-900:#29306a;--bg:#f7f8fa;--surface:#fff;--surface-2:#fbfcfe;--ink:#1b1f27;--ink-2:#565e6f;--ink-3:#697181;--line:#e3e6ec;--line-strong:#cdd2dc;--rule-heavy:#737b8c;--rule-mid:#a4abba;--accent:#515cbd;--accent-hover:#3f49a6;--accent-ink:#353d88;--accent-tint:#edeef8;--accent-tink:#29306a;--tint-line:#c3c7ea;--ok:#2f9e44;--err:#c92a2a;--err-tint:#fdf2f2;--err-line:#f0c9c9;--focus:#5e6ad2;--sel-bg:#dfe3f6;--sel-ink:#353d88;--focus-ring:0 0 0 2px var(--surface), 0 0 0 4px var(--focus);--ok-ink:#1e7a44;--warn-ink:#8a6508;--ev-tint:#fdf6e9;--ev-line:#e4d5ac;--code-bg:#1c2028;--code-ink:#d6dae4;--code-ink-dim:#98a0b3;--code-line:#3a4150;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;--font-mono:ui-monospace, "SF Mono", "Cascadia Code", "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;--fs-11:11px;--fs-12:12px;--fs-13:13px;--fs-14:14px;--fs-15:15px;--fs-16:16px;--fs-17:17px;--fs-18:18px;--fs-20:20px;--fs-24:24px;--fs-28:28px;--fs-32:32px;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--r-1:8px;--r-2:12px;--r-3:16px;--col:940px;--rail-w:264px;--shadow-pop:0 8px 16px -4px #0000001a, 0 2px 6px -2px #0000000f;--dur-1:80ms;--dur-2:.12s;--dur-3:.2s}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#121212;--surface:#1e1e1e;--surface-2:#242424;--ink:#e9eaee;--ink-2:#aab0bd;--ink-3:#8f95a3;--line:#3a3f4a;--line-strong:#414652;--rule-heavy:#6e7684;--rule-mid:#4a5060;--accent:#515cbd;--accent-hover:#3f49a6;--accent-ink:#a9b3f0;--accent-tint:#262b47;--accent-tink:#c3caf5;--tint-line:#464b7c;--ok:#51cf66;--err:#f0838f;--err-tint:#3a2226;--err-line:#5c3237;--focus:#9099ea;--sel-bg:#2e3256;--sel-ink:#e9eaee;--ok-ink:#6fce8e;--warn-ink:#d9a62e;--ev-tint:#33291a;--ev-line:#5c4d2a;--code-bg:#0f1014;--code-ink:#ced3dd;--code-ink-dim:#7d8496;--code-line:#2e3542;--shadow-pop:0 8px 16px -4px #00000080, 0 2px 6px -2px #0006}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-sans);font-size:var(--fs-15);background-color:var(--bg);color:var(--ink);-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;font-kerning:normal;text-autospace:ideograph-alpha ideograph-numeric;flex-direction:column;line-height:1.7;display:flex}:root[data-theme=dark] body{-webkit-font-smoothing:antialiased}::selection{background:var(--sel-bg);color:var(--sel-ink)}#app{flex-direction:column;height:100%;display:flex}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;clip-path:inset(50%);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.shell{flex:1;min-height:0;display:flex}.shell-body{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.rail{display:none}.rail-mask{z-index:40;background:#0006;position:fixed;inset:0}.rail-head{flex:none;align-items:center;height:56px;padding-inline:16px;display:flex}.rail-title{font-size:var(--fs-13);color:var(--ink-2);font-weight:600}.rail-body{padding:var(--sp-3);scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;flex:1;overflow-y:auto}.rail-empty{font-size:var(--fs-13);color:var(--ink-3);cursor:default;padding:6px 4px;line-height:1.7}header .railbtn{width:28px;height:28px;color:var(--ink-2);border-radius:var(--r-1);cursor:pointer;background:0 0;border:none;flex:none;place-items:center;margin-right:2px;padding:0;display:grid}header .railbtn svg{width:18px;height:18px}@media (width>=1024px){.rail{width:var(--rail-w);background:var(--surface);border-right:1px solid var(--line);transition:width var(--dur-2) ease-out, border-right-width var(--dur-2) ease-out, visibility var(--dur-2);flex-direction:column;flex:none;display:flex;overflow:hidden}.shell.rail-collapsed .rail{visibility:hidden;border-right-width:0;width:0}.rail-mask{display:none!important}}@media (width<=1023px){.rail.open{width:var(--rail-w);z-index:41;background:var(--surface);border-right:1px solid var(--line);box-shadow:var(--shadow-pop);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}}.rail-head{justify-content:space-between;gap:8px}.rail-new{border:1px solid 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var(--line-strong);border-radius:var(--r-1);min-width:0;font-size:var(--fs-13);color:var(--ink);background:var(--surface-2);outline:none;flex:1;padding:4px 8px;font-family:inherit;line-height:1.4}.rail-item-input:focus{border-color:var(--focus);box-shadow:var(--focus-ring)}.rail-item-input:disabled{opacity:.6}.rail-search-row{flex:none;padding:10px 12px 2px}.rail-search{border:1px solid var(--line-strong);border-radius:var(--r-2);width:100%;font-size:var(--fs-13);color:var(--ink);background:var(--surface-2);outline:none;padding:7px 10px;font-family:inherit;line-height:1.4}.rail-search::placeholder{color:var(--ink-3);opacity:1}.rail-search:focus{border-color:var(--focus);box-shadow:var(--focus-ring)}header,footer{padding-inline:max(16px, calc((100% - var(--col)) / 2))}header{background:var(--surface);border-bottom:1px solid var(--line);z-index:5;flex:none;align-items:center;gap:10px;height:56px;padding-block:0;display:flex;position:sticky;top:0}header .dot{background:var(--g-400);border-radius:50%;flex:none;width:10px;height:10px;position:relative}header .dot[data-state=ok]{background:var(--ok)}header .dot[data-state=down]{background:var(--err)}header .dot:after{content:"";border:1px solid var(--g-400);border-radius:50%;position:absolute;inset:-4px}header .dot[data-state=ok]:after{border-color:var(--ok)}header .dot[data-state=down]:after{border-color:var(--err)}header .name{font-weight:600;font-size:var(--fs-15);letter-spacing:.04em}header .iconbtn{width:32px;height:32px;color:var(--ink-2);border-radius:var(--r-1);cursor:pointer;background:0 0;border:none;place-items:center;margin-left:auto;padding:0;display:grid}header .iconbtn svg{width:18px;height:18px}header .iconbtn .ico-sun{display:none}:root[data-theme=dark] header .iconbtn .ico-sun{display:block}:root[data-theme=dark] header .iconbtn .ico-moon{display:none}header .clear{color:var(--ink-2);font-size:var(--fs-13);cursor:pointer;border-radius:var(--r-1);background:0 0;border:none;padding:4px 8px}header .clear .clear-ico{width:18px;height:18px;display:none}main{padding:8px max(12px, calc((100% - var(--col)) / 2));scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;overscroll-behavior:contain;flex:1;overflow-y:auto}main::-webkit-scrollbar{width:8px}main::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:4px}main::-webkit-scrollbar-track{background:0 0}main{flex-direction:column;display:flex}.thread{width:100%;max-width:100%;margin:0 auto}.thread.empty{margin:auto}footer{background:var(--surface);border-top:1px solid var(--line);padding-block:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom))}.codebar{gap:8px;margin-bottom:8px;display:none}.codebar.show{display:flex}.codebar input{border:1px solid var(--line-strong);border-radius:var(--r-2);color:var(--ink);background:var(--surface-2);outline:none;flex:1;padding:9px 12px;font-family:inherit;font-size:16px}.codebar button,.row button.send{background:var(--accent);color:#fff;border-radius:var(--r-2);font-size:var(--fs-13);cursor:pointer;border:none;flex:none;padding:9px 16px}.row{align-items:flex-end;gap:10px;display:flex}.row textarea{resize:none;border:1px solid var(--line-strong);border-radius:var(--r-2);background:var(--surface-2);max-height:120px;color:var(--ink);outline:none;flex:1;padding:10px 12px;font-family:inherit;font-size:16px;line-height:1.5}.codebar input::placeholder,.row textarea::placeholder{color:var(--ink-3);opacity:1}.codebar input:focus,.row textarea:focus{border-color:var(--focus);box-shadow:var(--focus-ring)}.row button.send{min-width:64px;height:42px}.row button.send:disabled{opacity:.5}.disclaimer{text-align:center;color:var(--ink-3);font-size:var(--fs-12);padding:6px 0 2px}.disclaimer.coverage{padding-top:0}.icp{justify-content:center;align-items:center;gap:var(--sp-3);flex-wrap:nowrap;margin-top:6px;padding:2px 0 0;display:flex}.icp a{color:var(--ink-3);font-size:var(--fs-11);white-space:nowrap;align-items:center;gap:5px;line-height:1.4;text-decoration:none;display:inline-flex}.icp a:hover{color:var(--accent-ink);text-decoration:underline}.icp img.icp-icon{flex:none;width:14px;height:14px;display:block}@media (width<=540px){.disclaimer{padding:6px 0 0}header .name{font-size:var(--fs-16);white-space:nowrap;min-width:0;overflow:hidden}header .clear{flex:none;place-items:center;width:40px;height:40px;padding:0;display:grid}header .clear .clear-txt{display:none}header .clear .clear-ico{display:block}}:root{--jump-b:167px}.jump{right:max(16px, calc((100% - var(--col)) / 2));bottom:calc(var(--jump-b,167px) + env(safe-area-inset-bottom));border:1px solid var(--line-strong);background:var(--surface);width:36px;height:36px;color:var(--ink-2);cursor:pointer;box-shadow:var(--shadow-pop);z-index:6;border-radius:50%;place-items:center;padding:0;display:none;position:fixed}@media (width>=1024px){.jump{right:max(16px, calc((100vw - var(--rail-w) - var(--col)) / 2))}.shell.rail-collapsed+.jump{right:max(16px, calc((100vw - var(--col)) / 2))}}.jump.show{display:grid}.jump svg{width:16px;height:16px}.row button.send.stop{background:var(--surface);color:var(--ink-2);border:1px solid var(--line-strong)}.import-bar{border:1px solid var(--tint-line);border-left:3px solid var(--accent);border-radius:var(--r-1);background:var(--accent-tint);flex-wrap:wrap;flex:none;justify-content:space-between;align-items:center;gap:10px;width:100%;margin:4px 0 12px;padding:10px 14px;display:flex}.import-bar-main{flex-direction:column;gap:2px;min-width:0;display:flex}.import-bar-txt{font-size:var(--fs-13);color:var(--accent-ink);line-height:1.5}.import-bar-err{font-size:var(--fs-12);color:var(--ink-2);line-height:1.4}.import-bar-btns{flex:none;gap:8px;display:flex}.import-btn{border:1px solid var(--tint-line);background:var(--surface);color:var(--accent-ink);font-size:var(--fs-13);border-radius:var(--r-1);cursor:pointer;flex:none;padding:5px 12px;font-family:inherit;line-height:1.4}.import-btn.pri{background:var(--accent);color:#fff;border-color:#0000}.import-btn:disabled{opacity:.45;cursor:default}.hero{text-align:center;max-width:var(--col);margin:0 auto;padding:16px 12px 8px}.hero-title{font-weight:600;font-size:var(--fs-32);color:var(--ink);margin:0 auto 28px;line-height:1.3}.hero-chips{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.hero-chip{border:1px solid var(--line);border-radius:var(--r-2);background:var(--surface);cursor:pointer;text-align:center;white-space:normal;max-width:100%;padding:7px 14px;font-family:inherit}.hero-chip-txt{font-size:var(--fs-13);color:var(--ink-2);line-height:1.5}.hero-chip:active{background:var(--surface-2)}@media (hover:hover){.hero-chip:hover{border-color:var(--focus);background:var(--surface-2)}.hero-chip:hover .hero-chip-txt{color:var(--accent-ink)}}@media (width<=540px){.hero{padding-top:8px}.hero-title{font-size:var(--fs-20);margin-bottom:16px;line-height:1.3}.hero-chips{gap:6px}.hero-chip{padding:6px 12px}}.msg{word-break:break-word}.msg.user{background:var(--g-100);width:fit-content;max-width:78%;color:var(--ink);border-radius:var(--r-2);font-size:var(--fs-15);white-space:pre-wrap;margin:32px 0 0 auto;padding:9px 14px;line-height:1.65}:root[data-theme=dark] .msg.user{background:var(--surface-2)}.msg.bot{margin-top:10px}.msg:first-child{margin-top:8px}@supports selector(:has(+ .msg.user)){.msg.bot:has(+.msg.user):after{content:"";border-top:1px solid var(--rule-mid);margin-top:14px;display:block}.msg.user:not(:first-child){margin-top:44px}}.msg.bot .role{font-size:var(--fs-11);color:var(--ink-3);letter-spacing:.12em;text-transform:uppercase;font-variant-numeric:tabular-nums;margin-bottom:2px;font-weight:500}.msg.bot .txt{font-size:var(--fs-18);line-height:1.75}.msg.bot.err .txt{white-space:pre-wrap}.msg.bot.err{border-left:3px solid var(--err);background:var(--err-tint);border-radius:0 var(--r-1) var(--r-1) 0;font-size:var(--fs-13);color:var(--err);margin-top:10px;padding:10px 14px}.typing:after{content:"▍";color:var(--ink-2);animation:1s infinite blink}.msg.bot .txt.waiting:after{content:"···";color:var(--ink-3);margin-left:4px;animation:1.2s ease-in-out infinite pulse}.msg.bot .txt.waiting.waitlong:after{content:"正在检索语料…"}.msg.bot .offtopic{font-size:var(--fs-12);color:var(--ink-3);border-bottom:1px dashed var(--line);margin:2px 0 6px;padding-bottom:5px;line-height:1.6}.msg.bot .offtopic.withnote{border-bottom:none;margin-bottom:0;padding-bottom:0}.msg.bot .offtopic.note{margin-top:0}.msg.bot .offtopic.ev{color:var(--warn-ink);border-bottom:none;border-left:3px solid var(--warn-ink);background:var(--ev-tint);border-radius:0 var(--r-1) var(--r-1) 0;padding:6px 10px}@media (width<=540px){:root{--jump-b:178px}.msg.user{max-width:88%}}.srcs{border-top:1px solid var(--rule-mid);font-size:var(--fs-12);color:var(--ink-3);white-space:normal;margin-top:10px;padding-top:8px;line-height:1.6}.srcs .srcs-t{font-size:var(--fs-11);letter-spacing:.12em}.srcs .srcs-it{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:var(--fs-12);background:var(--surface);border:1px solid var(--line);overflow-wrap:anywhere;cursor:pointer;border-radius:999px;margin:3px 6px 3px 0;padding:1px 8px;display:inline-block}.srcs.closed .srcs-list .srcs-it:nth-child(n+3){display:none}.srcs .srcs-x{color:var(--ink-2);font-size:var(--fs-12);cursor:pointer;background:0 0;border:none;margin-left:0;padding:4px 6px;line-height:1.6;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;display:inline-block}.srcs .srcs-cc-all,.srcs .srcs-cc,.srcs .srcs-gate{font-size:var(--fs-11);border:1px solid var(--line-strong);color:var(--ink-2);background:var(--surface-2);vertical-align:middle;white-space:nowrap;border-radius:999px;padding:0 7px;line-height:1.6;display:inline-block}.srcs .srcs-cc-all{margin:3px 6px 3px 0}.srcs .srcs-gate{background:0 0;margin:3px 6px 3px 0;padding:0 6px}.srcs .srcs-gate.g-ok{color:var(--ok-ink);border-color:var(--ok-ink)}.srcs .srcs-gate.g-bad{color:var(--err);border-color:var(--err)}.srcs .srcs-cc{background:0 0;margin-left:5px;padding:0 6px}.srcs .srcs-cc.v-supports{color:var(--ok-ink);border-color:var(--ok-ink)}.srcs .srcs-cc.v-partial{color:var(--warn-ink);border-color:var(--warn-ink)}.srcs .srcs-cc.v-unsupported{color:var(--err);border-color:var(--err);border-color:var(--err)}.srcs .srcs-tier{font-size:var(--fs-11);border:1px solid var(--line-strong);color:var(--ink-2);vertical-align:middle;white-space:nowrap;background:0 0;border-radius:999px;margin-left:5px;padding:0 6px;line-height:1.6;display:inline-block}.srcs .srcs-tier.t-l1{color:var(--ok-ink);border-color:var(--ok-ink)}.srcs .srcs-tier.t-l2{color:var(--warn-ink);border-color:var(--warn-ink)}.srcs .srcs-tier.t-l3{color:var(--ink-2);border-color:var(--ink-2)}.msg.bot .act-bar{min-height:24px;font-size:var(--fs-12);color:var(--ink-3);flex-wrap:wrap;align-items:center;gap:4px;margin-top:8px;display:flex}.act-bar .act-btn{color:var(--ink-3);cursor:pointer;font-family:inherit;font-size:var(--fs-12);border-radius:var(--r-1);background:0 0;border:none;padding:3px 8px;line-height:1.4}.act-bar .act-btn:disabled{opacity:.45;cursor:default}.act-bar .act-time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:var(--fs-12);color:var(--ink-3);margin-left:auto;padding:3px 4px}.act-bar .act-btn+.act-tok{margin-left:auto}.act-bar .act-tok{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:var(--fs-11);color:var(--ink-3);background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:0 7px}.msg.bot .badfb-row{font-size:var(--fs-12);color:var(--ink-3);flex-wrap:wrap;align-items:center;gap:4px;margin-top:2px;display:flex}.badfb-row 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