.chat-page{flex-direction:column;max-width:900px;height:100vh;margin:0 auto;display:flex}.chat-header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:10;background:#ffffffd1;justify-content:space-between;align-items:center;gap:12px;padding:13px 20px;display:flex;position:sticky;top:0}.brand-group{align-items:center;gap:12px;min-width:0;display:flex}.brand-icon{background:linear-gradient(135deg,#fff2e0,#f7d3a4);border-radius:13px;flex:none;place-items:center;width:42px;height:42px;font-size:22px;display:grid;box-shadow:inset 0 0 0 1px #f0d9b8,0 4px 12px #c88c3c2e}.brand-text{min-width:0}.brand{letter-spacing:.2px;color:var(--ink);font-size:16px;font-weight:750}.brand-sub{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:12px;overflow:hidden}.brand-sub .hl{color:var(--brand-ink);font-weight:650}.token-box{background:var(--brand-soft);color:#9a6b2f;border:1px solid #f3d9b6;border-radius:999px;flex:none;align-items:center;gap:7px;padding:6px 13px;font-size:12px;display:flex}.token-box .dot{background:#59c07a;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 3px #59c07a2e}.token-box .label{opacity:.85}.token-box .value{font-variant-numeric:tabular-nums;font-size:13px;font-weight:750}.chat-body{scroll-behavior:smooth;flex:1;padding:22px 18px 28px;overflow-y:auto}.chat-inner{flex-direction:column;gap:18px;display:flex}.msg{align-items:flex-start;gap:10px;display:flex}.msg.user{flex-direction:row-reverse}.avatar{border-radius:11px;flex:0 0 34px;place-items:center;width:34px;height:34px;font-size:17px;display:grid;box-shadow:0 3px 10px #785a321f}.msg.assistant .avatar{background:linear-gradient(135deg,#fff2e0,#f7d3a4)}.msg.user .avatar{background:linear-gradient(135deg,#e8e2d6,#d8cfbe)}.bubble{border-radius:var(--radius);white-space:pre-wrap;word-break:break-word;max-width:80%;padding:13px 16px;font-size:15px;line-height:1.75}.msg.assistant .bubble{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-top-left-radius:6px}.msg.user .bubble{background:var(--user-bubble);color:var(--user-ink);border-top-right-radius:6px;box-shadow:0 6px 18px #e8862e47}.bubble.wide{width:92%;max-width:92%;padding:16px 18px}.typing{align-items:center;gap:5px;padding:3px 2px;display:inline-flex}.typing i{background:#d9c7ad;border-radius:50%;width:7px;height:7px;animation:1.2s ease-in-out infinite bounce}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,80%,to{opacity:.5;transform:translateY(0)}40%{opacity:1;transform:translateY(-5px)}}.rec-stack{flex-direction:column;gap:16px;display:flex}.rec-card{box-shadow:var(--shadow);background:linear-gradient(135deg,#fffaf3,#fff);border:1px solid #f2ddc0;border-radius:14px;padding:14px 16px}.rec-top{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.story-title{color:var(--ink);font-size:17px;font-weight:750}.story-id{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12.5px}.chip{background:var(--brand-soft);color:var(--brand-ink);cursor:pointer;border:1px solid #f3d9b6;border-radius:999px;align-items:center;gap:4px;padding:4px 12px;font-family:inherit;font-size:12px;font-weight:650;transition:transform .12s,background .12s;display:inline-flex}.chip:hover{background:#fbe3c6;transform:translateY(-1px)}.chip:active{transform:translateY(0)}.chip.spacer{margin-left:auto}.section{margin:0}.section .h{color:var(--brand-ink);letter-spacing:.3px;align-items:center;gap:6px;margin-bottom:7px;font-size:13px;font-weight:750;display:flex}.section .h:before{content:"";background:linear-gradient(var(--brand), var(--brand-2));border-radius:3px;width:4px;height:13px;display:inline-block}.section .b{color:var(--ink);font-size:15px;line-height:1.78}.usage{width:fit-content;max-width:100%;color:var(--muted);border:1px solid var(--line);font-variant-numeric:tabular-nums;background:#faf7f1;border-radius:999px;flex-wrap:wrap;align-items:center;gap:6px;padding:4px 12px;font-size:11.5px;display:flex}.usage b{color:var(--brand-ink);font-weight:700}.usage .sep{opacity:.5}.usage .m{color:var(--brand-ink);font-weight:600}.usage.local{color:#9a9163;background:#fbfaef;border-color:#ece6cf}.q-list{counter-reset:q;margin:0;padding-left:0;list-style:none}.q-list li{counter-increment:q;color:var(--ink);border-bottom:1px dashed #f0e7d9;padding:8px 0 8px 32px;line-height:1.72;position:relative}.q-list li:last-child{border-bottom:none;padding-bottom:0}.q-list li:before{content:counter(q);color:#fff;background:linear-gradient(135deg, var(--brand), var(--brand-2));border-radius:50%;place-items:center;width:22px;height:22px;font-size:12px;font-weight:750;display:grid;position:absolute;top:8px;left:0}.alts{gap:8px;display:grid}.alt{text-align:left;border:1px solid var(--line);cursor:pointer;background:#fffdfa;border-radius:12px;width:100%;padding:11px 13px;font-family:inherit;transition:border-color .14s,transform .14s,box-shadow .14s;display:block}.alt:hover,.alt:focus-visible{border-color:var(--brand-2);outline:none;transform:translateY(-1px);box-shadow:0 6px 16px #c88c3c24}.alt:focus-visible{box-shadow:0 6px 16px #c88c3c24,0 0 0 3px #f2a65a47}.alt-head{align-items:center;gap:10px;display:flex}.alt-head .t{color:var(--ink);font-size:14.5px;font-weight:650}.alt-head .t .id{color:var(--muted);margin-left:6px;font-size:12px;font-weight:500}.alt-head .chip{flex:none;margin-left:auto}.alt .n{color:var(--muted);margin-top:4px;font-size:13px;line-height:1.6}.reminder{border:1px solid #f6ddbb;border-left:4px solid var(--brand);color:#7a4a1c;background:#fff6ec;border-radius:10px;gap:9px;padding:11px 14px;font-size:14px;line-height:1.68;display:flex}.reminder .ico{flex:none}.reminder b{color:var(--brand-ink)}.match-note{color:#2f5c78;background:#eef6fb;border:1px solid #cfe3f0;border-left:4px solid #5b93b8;border-radius:10px;gap:9px;padding:11px 14px;font-size:14px;line-height:1.68;display:flex}.match-note .ico{flex:none}.match-note b{color:#23506c}.section.ask-more{background:linear-gradient(135deg,#fff9f1,#fffdfa);border:1px dashed #efd9b8;border-radius:14px;padding:13px 16px 12px}.section.ask-more .h{color:#9a6b2f}.section.ask-more .h:before{background:linear-gradient(#eeb273,#f5d3a6)}.section.ask-more .q-list li{color:#6b5c48;border-bottom-color:#f5e8d7;font-size:14px}.section.ask-more .q-list li:before{color:#7a4a1c;background:linear-gradient(135deg,#f0b979,#f7d8ad);box-shadow:0 1px 4px #c88c3c33}.ask-tip{color:#a4906f;border-top:1px dashed #f2e3cf;margin-top:10px;padding-top:9px;font-size:12.5px;line-height:1.6}.ask-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:15px 17px}.ask-card .h{color:var(--brand-ink);align-items:center;gap:7px;margin-bottom:8px;font-size:14px;font-weight:750;display:flex}.examples{margin-top:4px}.examples-title{color:var(--muted);margin:0 2px 9px;font-size:12px}.examples-chips{flex-wrap:wrap;gap:8px;display:flex}.example-chip{border:1px solid var(--line);color:#6b6459;cursor:pointer;background:#fff;border-radius:999px;padding:8px 15px;font-family:inherit;font-size:13px;transition:all .14s}.example-chip:hover{border-color:var(--brand-2);color:var(--brand-ink);background:var(--brand-soft);transform:translateY(-1px)}.chat-composer{border-top:1px solid var(--line);background:linear-gradient(transparent, var(--bg) 32%);padding:12px 18px 16px}.composer-inner{align-items:flex-end;gap:10px;display:flex}.composer-inner .ant-input{border-color:var(--line);box-shadow:var(--shadow);background:#fff;border-radius:14px;padding:11px 15px;font-size:15px}.composer-inner .ant-input:focus,.composer-inner .ant-input-focused{border-color:var(--brand-2);box-shadow:0 0 0 3px #f2a65a2e}.composer-inner .ant-btn-primary{background:var(--user-bubble);border:none;border-radius:14px;height:42px;padding-inline:22px;font-size:15px;font-weight:650;box-shadow:0 8px 20px #e8862e52}.composer-inner .ant-btn-primary:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 10px 24px #e8862e66}.reader-bar{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.reader-bar .reader-progress{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.reader-bar .reader-spacer{flex:auto}.reader-field{color:var(--muted);white-space:nowrap;align-items:center;gap:5px;font-size:12px;display:inline-flex}.reader-field .ant-select{max-width:190px}.reader-unsupported{color:var(--muted);font-size:12.5px}.story-content{white-space:pre-wrap;word-break:break-word;border:1px solid var(--line);background:#fffdfa;border-radius:12px;max-height:52vh;padding:16px 18px;font-size:15px;line-height:1.95;overflow-y:auto}.story-content .seg{border-radius:3px;transition:background .2s}.story-content .seg.on{color:var(--ink);background:linear-gradient(#0000 58%,#ffd9a3 58%);font-weight:600}.story-meta{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.story-meta .tag{background:var(--brand-soft);color:var(--brand-ink);border:1px solid #f3d9b6;border-radius:999px;padding:3px 11px;font-size:12px;font-weight:600}.story-core{color:var(--muted);margin-bottom:12px;font-size:14px;line-height:1.7}@media (width<=560px){.bubble{max-width:88%}.bubble.wide{width:100%;max-width:100%;padding:13px 14px}.token-box .label{display:none}.brand{font-size:15px}}.vt-samples{flex-wrap:wrap;align-items:center;gap:8px;margin:-4px 0 14px;display:flex}.vt-samples-label{color:var(--muted);font-size:12px}.vt-chip{border:1px solid var(--line);background:var(--panel);color:var(--brand-ink);cursor:pointer;border-radius:999px;padding:3px 11px;font-size:12px;transition:all .15s}.vt-chip:hover{border-color:var(--brand);background:#fff6ec}.vt-hint{color:var(--muted);word-break:break-all;margin-top:6px;font-size:12px;line-height:1.5}.vt-muted{color:var(--muted);font-size:12px}.vt-rewrite{border-radius:10px;padding:12px 14px;font-size:13px;line-height:1.65}.vt-rewrite.on{color:#0369a1;background:#f0f9ff;border:1px solid #bae6fd;border-left:4px solid #0284c7}.vt-rewrite-head{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:9px;font-weight:700;display:flex}.vt-rewrite-head .vt-muted{margin-left:auto}.vt-rewrite-pair{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:8px;display:grid}.vt-rewrite-pair .box{background:#fff;border:1px solid #e0f2fe;border-radius:6px;flex-direction:column;padding:8px 12px;display:flex}.vt-rewrite-pair .box.hi{border-color:#38bdf8}.vt-rewrite-pair .lbl{color:#64748b;margin-bottom:2px;font-size:12px}.vt-rewrite-pair .box.hi .lbl{color:#0284c7}.vt-rewrite-pair .val{color:#1e293b;font-weight:500}.vt-rewrite-pair .box.hi .val{color:#0369a1;font-weight:700}@media (width<=720px){.vt-rewrite-pair{grid-template-columns:1fr}}.vt-list{flex-direction:column;gap:12px;display:flex}.vt-empty{text-align:center;color:var(--muted);padding:28px 0}.vt-card{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:13px 15px;transition:box-shadow .15s,border-color .15s}.vt-card:hover{box-shadow:var(--shadow);border-color:#e2d5c3}.vt-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px;display:flex}.vt-rank{flex-wrap:wrap;align-items:center;gap:8px;min-width:0;display:flex}.vt-rank h4{color:#0f172a;margin:0;font-size:16px;font-weight:700}.vt-rank code{color:var(--muted);background:#f5f2ec;border-radius:4px;padding:1px 6px;font-size:12px}.vt-badge{color:#475569;background:#eef1f5;border-radius:6px;justify-content:center;align-items:center;min-width:34px;height:24px;padding:0 8px;font-size:13px;font-weight:800;display:inline-flex}.vt-badge.top1{color:#fff;background:linear-gradient(135deg,#f59e0b,#d97706)}.vt-badge.top2{color:#fff;background:linear-gradient(135deg,#94a3b8,#64748b)}.vt-badge.top3{color:#fff;background:linear-gradient(135deg,#d6a27a,#b07d4e)}.vt-change{white-space:nowrap;border-radius:999px;padding:1px 8px;font-size:12px;font-weight:600}.vt-change.up{color:#15803d;background:#e8f7ee}.vt-change.down{color:#b91c1c;background:#fdecec}.vt-change.same{color:#64748b;background:#eef1f5}.vt-pill{color:#475569;white-space:nowrap;background:#eef1f5;border-radius:999px;padding:1px 9px;font-size:12px}.vt-pill.info{color:#2563eb;background:#eaf2fd}.vt-scores{border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:9px;padding:9px 0;display:flex}.vt-sim{color:var(--muted);flex:260px;align-items:center;gap:8px;min-width:220px;font-size:12px;display:flex}.vt-sim .vt-bar{background:#eef1f5;border-radius:999px;flex:1;min-width:70px;height:7px;overflow:hidden}.vt-sim .vt-bar i{background:linear-gradient(90deg,#d9b98c,#c39a63);border-radius:999px;height:100%;transition:width .4s;display:block}.vt-sim .vt-bar i.high{background:linear-gradient(90deg,#f0a35e,#e8862e)}.vt-sim b{color:#334155;font-variant-numeric:tabular-nums;white-space:nowrap}.vt-score{color:var(--muted);flex-direction:column;gap:1px;font-size:12px;display:flex}.vt-score b{color:#334155;font-variant-numeric:tabular-nums;font-size:14px}.vt-score.rerank b{color:#d97706}.vt-score.fusion b{color:#2563eb}.vt-core{color:#334155;margin-bottom:6px;font-size:13px;line-height:1.65}.vt-core b,.vt-summary b{color:#0f172a}.vt-summary{color:var(--muted);font-size:12px;line-height:1.6}.vt-tags{flex-wrap:wrap;gap:6px;margin-top:9px;display:flex}.vt-tag{white-space:nowrap;border-radius:999px;padding:1px 9px;font-size:12px}.vt-tag.theme{color:#2563eb;background:#eaf2fd}.vt-tag.emotion{color:#7c3aed;background:#f5ecfd}.vt-tag.problem{color:#c2740e;background:#fff4e8}.vt-story-meta{flex-wrap:wrap;gap:6px;margin-bottom:10px;display:flex}.vt-story-content{white-space:pre-wrap;color:#1f2937;max-height:60vh;font-size:14px;line-height:1.85;overflow-y:auto}:root{--bg:#f7f4ef;--bg-grad:radial-gradient(1200px 520px at 50% -12%, #fff6ea 0%, #f7f4ef 62%);--panel:#fff;--border:#ece4d8;--line:#ece4d8;--text:#2b2925;--ink:#2b2925;--muted:#8b8377;--brand:#e8862e;--brand-2:#f2a65a;--brand-soft:#fdeede;--brand-ink:#b5601a;--user-bubble:linear-gradient(135deg, #f09a45, #e8862e);--user-ink:#fff;--radius:18px;--shadow:0 6px 24px #785a3214;--shadow-lg:0 20px 60px #503c1e2e}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg-grad);color:var(--text);-webkit-font-smoothing:antialiased;background-attachment:fixed;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#e3d8c8;border-radius:8px}::-webkit-scrollbar-thumb:hover{background:#d8c9b3}::-webkit-scrollbar-track{background:0 0}.plain-text{white-space:pre-wrap;word-break:break-word;margin:0;font-family:inherit;font-size:14px;line-height:1.8}.admin-login-wrap{background:var(--bg-grad);place-items:center;min-height:100vh;padding:24px;display:grid}.admin-login-card{border:1px solid var(--border);border-radius:var(--radius);width:380px;max-width:100%;box-shadow:var(--shadow-lg);background:#fff;padding:28px}