.tool-tong-dai{--tx-bg:#F2F5F8;--tx-card:#FFFFFF;--tx-ink:#101A28;--tx-muted:#64748B;--tx-line:#D7DEE6;--tx-dark:#14243D;--tx-dark2:#0D1A2D;--tx-accent:#D91E2A;--tx-wire:#2E86AB;--tx-air:#8E44AD;--tx-ana:#E8A33D;--tx-pub:#1F8A5B;--tx-grey:#64748B;--tx-disp:"Be Vietnam Pro",system-ui,-apple-system,sans-serif;--tx-mono:"Roboto Mono",ui-monospace,Consolas,monospace;font-family:var(--tx-disp);font-size:15px;line-height:1.55;color:var(--tx-ink);background:var(--tx-bg);border:1px solid var(--tx-line);border-radius:10px;padding:22px 18px 34px;box-sizing:border-box;display:block}.tool-tong-dai *,.tool-tong-dai *:before,.tool-tong-dai *:after{box-sizing:border-box}.tool-tong-dai .tx-inner{max-width:1240px;margin:0 auto}.tool-tong-dai .tx-eyebrow{font-family:var(--tx-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--tx-muted);display:flex;align-items:center;gap:9px;margin:0 0 10px}.tool-tong-dai .tx-eyebrow:before{content:"";width:22px;height:2px;background:var(--tx-accent);display:block}.tool-tong-dai .tx-title{font-family:var(--tx-disp);font-size:clamp(24px,4vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:0 0 12px}.tool-tong-dai .tx-lede{color:#3b4a5c;max-width:64ch;margin:0 0 22px}.tool-tong-dai .tx-title #tx-title-venue{color:var(--tx-accent)}.tool-tong-dai .tx-answer{background:var(--tx-dark);color:#e7edf5;border-left:4px solid var(--tx-accent);border-radius:0 8px 8px 0;padding:15px 20px;max-width:96ch;font-size:15px;line-height:1.6;margin:0 0 22px}.tool-tong-dai .tx-answer strong{color:#fff}.tool-tong-dai .tx-layout{display:grid;grid-template-columns:1fr 420px;gap:26px;align-items:start}.tool-tong-dai .tx-card{background:var(--tx-card);border:1px solid var(--tx-line);border-radius:6px;padding:18px 20px;margin-bottom:14px}.tool-tong-dai .tx-card>h3{font-family:var(--tx-mono);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--tx-muted);margin:0 0 14px}.tool-tong-dai .tx-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tool-tong-dai .tx-field>label{display:block;font-size:13px;font-weight:500;margin-bottom:2px}.tool-tong-dai .tx-hint{font-size:11.5px;color:var(--tx-muted);margin:0 0 7px;min-height:30px}.tool-tong-dai .tx-stepper{display:flex;align-items:center;border:1px solid var(--tx-line);border-radius:5px;overflow:hidden;background:#fff}.tool-tong-dai .tx-stepper button{font:inherit;width:32px;height:38px;border:0;background:#f4f7fa;color:var(--tx-dark);font-size:17px;cursor:pointer;line-height:1}.tool-tong-dai .tx-stepper button:hover{background:#e6ecf3}.tool-tong-dai .tx-stepper button:focus-visible{outline:2px solid var(--tx-accent);outline-offset:-2px}.tool-tong-dai .tx-stepper input{font:inherit;font-family:var(--tx-mono);font-weight:700;font-size:15px;width:100%;height:38px;text-align:center;border:0;background:#fff;color:var(--tx-ink);min-width:0;-moz-appearance:textfield}.tool-tong-dai .tx-stepper input::-webkit-outer-spin-button,.tool-tong-dai .tx-stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.tool-tong-dai .tx-stepper input:focus{outline:2px solid var(--tx-accent);outline-offset:-2px}.tool-tong-dai .tx-chips{display:flex;flex-wrap:wrap;gap:7px}.tool-tong-dai .tx-chip{font:inherit;font-size:13.5px;padding:8px 14px;border-radius:999px;border:1px solid var(--tx-line);background:#fff;color:#2e3d4f;cursor:pointer}.tool-tong-dai .tx-chip[aria-pressed=true]{background:var(--tx-dark);border-color:var(--tx-dark);color:#fff;font-weight:600}.tool-tong-dai .tx-chip:focus-visible{outline:2px solid var(--tx-accent);outline-offset:2px}.tool-tong-dai .tx-sub{font-size:12.5px;color:var(--tx-muted);margin:0 0 9px}.tool-tong-dai .tx-lbl{font-size:13px;font-weight:500;display:block;margin:16px 0 3px}.tool-tong-dai .tx-panel{background:var(--tx-dark);color:#eaf0f7;border-radius:6px;overflow:hidden;position:sticky;top:18px}.tool-tong-dai .tx-panel-head{background:var(--tx-dark2);padding:13px 20px;font-family:var(--tx-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:#9fb2c6}.tool-tong-dai .tx-panel-body{padding:18px 20px 20px}.tool-tong-dai .tx-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.tool-tong-dai .tx-kpi{background:#1b2e4b;border-radius:5px;padding:11px}.tool-tong-dai .tx-kpi b{display:block;font-size:24px;font-weight:800;color:#ff6a6a;letter-spacing:-.03em}.tool-tong-dai .tx-kpi span{font-size:11px;color:#9fb2c6;display:block;margin-top:2px;line-height:1.35}.tool-tong-dai .tx-sec{margin-top:16px;border-top:1px solid #2A3D57;padding-top:13px}.tool-tong-dai .tx-sec h4{font-family:var(--tx-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#9fb2c6;margin:0 0 9px}.tool-tong-dai .tx-line{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:5px 0;border-bottom:1px dashed #2A3D57}.tool-tong-dai .tx-line:last-child{border-bottom:0}.tool-tong-dai .tx-line span:first-child{color:#9fb2c6}.tool-tong-dai .tx-line span:last-child{font-family:var(--tx-mono);font-size:12.5px;color:#fff;text-align:right}.tool-tong-dai .tx-group{border-bottom:0;padding-top:9px;color:#7e93aa;font-size:11.5px}.tool-tong-dai .tx-recap{margin:16px 0 0;background:#1b2e4b;border-left:3px solid var(--tx-accent);padding:12px 13px;font-size:13px;color:#e7eef6;border-radius:0 4px 4px 0;line-height:1.5}.tool-tong-dai .tx-recap strong{color:#fff}.tool-tong-dai .tx-crow{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed #2A3D57;align-items:flex-start}.tool-tong-dai .tx-crow:last-child{border-bottom:0}.tool-tong-dai .tx-cq{font-family:var(--tx-mono);font-weight:700;font-size:13px;color:#fff;min-width:36px;flex:0 0 auto}.tool-tong-dai .tx-cmain{min-width:0}.tool-tong-dai .tx-cl1{font-size:13px;color:#c6d4e6}.tool-tong-dai .tx-cmo{font-family:var(--tx-mono);font-weight:700;font-size:13px;color:#5ab0e6}.tool-tong-dai .tx-cl1 b{color:#fff;font-weight:600}.tool-tong-dai .tx-cpoe{font-family:var(--tx-mono);font-size:8.5px;background:var(--tx-pub);color:#fff;border-radius:3px;padding:1px 5px;margin-left:5px;letter-spacing:.06em;vertical-align:1px}.tool-tong-dai .tx-cdesc{font-size:12px;color:#8ca0b6;margin-top:3px;line-height:1.45}.tool-tong-dai .tx-soft{display:flex;gap:10px;padding:8px 0;border-bottom:1px dashed #2A3D57}.tool-tong-dai .tx-soft:last-child{border-bottom:0}.tool-tong-dai .tx-sic{color:#5ab0e6;flex:0 0 auto}.tool-tong-dai .tx-soft b{color:#fff;display:block;font-size:13px}.tool-tong-dai .tx-soft span{font-size:12px;color:#8ca0b6}.tool-tong-dai .tx-note{margin-top:13px;background:#1d3050;border-left:3px solid var(--tx-accent);padding:11px 13px;font-size:12.5px;color:#d8e4f0;border-radius:0 4px 4px 0}.tool-tong-dai .tx-disc{font-size:11.5px;color:#8ca0b6;margin:13px 0 0;line-height:1.5}.tool-tong-dai .tx-diagram{background:var(--tx-card);border:1px solid var(--tx-line);border-radius:6px;padding:18px 20px 10px;margin-top:14px;overflow-x:auto}.tool-tong-dai .tx-diagram svg{width:100%;min-width:680px;height:auto;display:block}.tool-tong-dai .tx-legend{display:flex;gap:16px;flex-wrap:wrap;font-size:11.5px;color:var(--tx-muted);padding:10px 2px 6px;margin:0}.tool-tong-dai .tx-legend b{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px}.tool-tong-dai .tx-pkgs{margin-top:30px}.tool-tong-dai .tx-pkgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:16px}.tool-tong-dai .tx-pkg{background:var(--tx-card);border:1px solid var(--tx-line);border-radius:6px;display:flex;flex-direction:column;overflow:hidden}.tool-tong-dai .tx-pkg-best{border-color:var(--tx-accent)}.tool-tong-dai .tx-pkg-sel{outline:2px solid var(--tx-dark);outline-offset:-1px}.tool-tong-dai .tx-pkg-head{padding:16px 18px 14px;border:0;border-bottom:1px solid var(--tx-line);position:relative;cursor:pointer;background:none;width:100%;text-align:left;font:inherit}.tool-tong-dai .tx-flag{position:absolute;top:14px;right:14px;background:var(--tx-accent);color:#fff;font-family:var(--tx-mono);font-size:9.5px;letter-spacing:.12em;padding:4px 8px;border-radius:3px;text-transform:uppercase}.tool-tong-dai .tx-seen{display:inline-block;font-family:var(--tx-mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;background:var(--tx-dark);color:#fff;padding:2px 7px;border-radius:3px;margin-bottom:7px}.tool-tong-dai .tx-pkg-head h3{font-family:var(--tx-disp);font-size:18px;font-weight:700;padding-right:74px;margin:0}.tool-tong-dai .tx-pkg-sub{font-size:12.5px;color:var(--tx-muted);margin:4px 0 0}.tool-tong-dai .tx-items{padding:6px 18px 0;flex:1}.tool-tong-dai .tx-item{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--tx-line)}.tool-tong-dai .tx-item:last-child{border-bottom:0}.tool-tong-dai .tx-qty{font-family:var(--tx-mono);font-weight:700;font-size:14px;color:var(--tx-accent);min-width:34px;text-align:right}.tool-tong-dai .tx-tag{font-family:var(--tx-mono);font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:#fff;padding:1px 6px;border-radius:3px;display:inline-block;margin-bottom:3px}.tool-tong-dai .tx-model{font-family:var(--tx-mono);font-size:13.5px;font-weight:700}.tool-tong-dai .tx-desc{font-size:12.5px;color:var(--tx-muted);margin-top:2px}.tool-tong-dai .aeo-summary{margin:0 18px 14px}.tool-tong-dai .tx-cta-wrap{padding:0 18px 18px;margin-top:auto}.tool-tong-dai .tx-cta{display:block;width:100%;font:inherit;font-family:var(--tx-disp);font-weight:700;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;padding:13px;border-radius:4px;border:1px solid var(--tx-dark);background:#fff;color:var(--tx-dark);cursor:pointer}.tool-tong-dai .tx-pkg-best .tx-cta{background:var(--tx-accent);border-color:var(--tx-accent);color:#fff}.tool-tong-dai .tx-cta:focus-visible{outline:2px solid var(--tx-accent);outline-offset:2px}.tool-tong-dai .tx-foot{margin-top:24px;font-size:12.5px;color:var(--tx-muted);border-top:1px solid var(--tx-line);padding-top:14px}@media(max-width:1040px){.tool-tong-dai .tx-layout{grid-template-columns:1fr}.tool-tong-dai .tx-panel{position:static}.tool-tong-dai .tx-pkgrid{grid-template-columns:1fr}}@media(max-width:680px){.tool-tong-dai .tx-fields{grid-template-columns:repeat(2,1fr)}}