.grade-lookup-main .sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.lookup-hero{background:linear-gradient(120deg, #0a2540e0, #0a2540a6), var(--lookup-hero-image) center/cover no-repeat;color:#fff;padding:5rem 0 4rem}.lookup-hero-inner h1{margin:.4rem 0 1rem;font-size:34px}.lookup-hero-inner p{max-width:46rem;font-size:17px;line-height:1.9}.lookup-hero-inner a{color:#9fd8ff}.lookup-hero-advisor{opacity:.95;margin-top:1.2rem;font-size:16px}.lookup-hero-advisor a{text-underline-offset:.2em;font-weight:600;text-decoration:underline}.lookup-kicker{letter-spacing:.08em;opacity:.85;margin:0;font-size:14px}.lookup-kicker-alt{letter-spacing:.08em;color:#0a5aa8;margin:0;font-size:14px}.lookup-section{padding:4.5rem 0}.lookup-section-alt{background:#f6f8fa}.lookup-heading h2{margin:.4rem 0 1rem;font-size:26px}.lookup-heading-note{color:#55657a;max-width:46rem;margin:0 0 2.25rem;font-size:16px;line-height:1.9}.lookup-console-section{background:#f6f8fa;padding:4.5rem 0}.lookup-console{color:#1f2d3d;background:#fff;border:1px solid #e2e8f0;border-radius:1rem;padding:2.25rem;box-shadow:0 12px 40px #0a254014}.console-head{letter-spacing:.12em;color:#8a9bb0;border-bottom:1px solid #edf1f6;align-items:center;gap:.6rem;margin-bottom:1.75rem;padding-bottom:1.1rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;display:flex}.console-dot{background:#35c2ff;border-radius:50%;width:.6rem;height:.6rem;box-shadow:0 0 6px #35c2ffb3}.console-status{color:#b08a2e;margin-left:auto}.console-status.ok{color:#1d9d55}.console-status.fail{color:#d64545}.grade-selector{grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr));gap:.85rem;margin-bottom:2rem;display:grid}.grade-selector button{color:#1f2d3d;cursor:pointer;background:#fbfcfe;border:1px solid #d5dee9;border-radius:.7rem;flex-direction:column;align-items:flex-start;gap:.25rem;padding:1rem 1.1rem;transition:border-color .15s,background .15s,box-shadow .15s;display:flex}.grade-selector button:hover{border-color:#0a5aa8;box-shadow:0 4px 14px #0a5aa81f}.grade-selector button.active{color:#fff;background:#0a5aa8;border-color:#0a5aa8;box-shadow:0 6px 18px #0a5aa847}.grade-selector button.active .grade-code{color:#cfe4ff}.grade-cn{font-size:20px;font-weight:700}.grade-code{letter-spacing:.08em;color:#7a8aa0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.result-grade-line{color:#55657a;align-items:baseline;gap:.8rem;margin:0 0 1.5rem;font-size:16px;display:flex}.result-grade-line strong{color:#0a2540;font-size:24px}.result-grade-code{letter-spacing:.08em;color:#0a5aa8;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}.result-group{margin-bottom:1.75rem}.result-group:last-child{margin-bottom:0}.result-group-title{letter-spacing:.12em;color:#0a5aa8;margin:0 0 .9rem;font-size:14px;font-weight:600}.result-cards{grid-template-columns:repeat(auto-fit,minmax(21rem,1fr));gap:1rem;display:grid}.console-fallback{color:#55657a;font-size:16px;line-height:1.9}.console-fallback a{color:#0a5aa8}.lookup-table-wrap{background:#fff;border:1px solid #e2e8f0;border-radius:.7rem;overflow-x:auto}.lookup-table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.85}.lookup-table th,.lookup-table td{text-align:left;vertical-align:top;border-bottom:1px solid #edf1f6;padding:14px 16px}.lookup-table thead th{color:#0a2540;letter-spacing:.04em;white-space:nowrap;background:#eef5fb;font-size:14px}.lookup-table tbody th{white-space:nowrap;color:#0a2540;font-size:16px}.lookup-table tbody tr:last-child th,.lookup-table tbody tr:last-child td{border-bottom:none}.lookup-table-code{color:#7a8aa0;letter-spacing:.04em;margin-top:2px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;font-weight:400;display:block}.lookup-table-note{color:#7a8aa0;margin:1rem 0 0;font-size:14px;line-height:1.8}.env-grid,.naming-grid{grid-template-columns:repeat(auto-fit,minmax(21rem,1fr));gap:1.25rem;display:grid}.fact-card{background:#fff;border:1px solid #e2e8f0;border-left:3px solid #0a5aa8;border-radius:.7rem;padding:1.4rem 1.5rem}.fact-claim{font-variant-numeric:tabular-nums;color:#1f2d3d;margin:0 0 .9rem;font-size:17px;line-height:1.9}.num{color:#0a5aa8;white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:700}.fact-chips{flex-wrap:wrap;gap:.4rem;margin-bottom:.9rem;display:flex}.fact-chip{letter-spacing:.03em;color:#46617c;background:#f2f7fc;border:1px solid #cbd8e6;border-radius:999px;padding:.18rem .65rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.fact-delta{background:#fbf6e9;border:1px solid #e3d3ac;border-radius:.55rem;margin-bottom:.9rem}.fact-delta summary{cursor:pointer;color:#9a7d2e;user-select:none;padding:.6rem .85rem;font-size:14px;font-weight:700;list-style:none}.fact-delta summary:before{content:"▸ "}.fact-delta[open] summary:before{content:"▾ "}.fact-delta p{color:#7a6435;margin:0;padding:0 .85rem .75rem;font-size:15px;line-height:1.85}.fact-delta .num{color:#96742a}.fact-source{color:#7a8aa0;margin:0;font-size:14px;line-height:1.7}.fact-source:before{content:"来源 · ";letter-spacing:.05em}.lookup-faq-list{gap:.85rem;display:grid}.lookup-faq-item{background:#fff;border:1px solid #e2e8f0;border-radius:.7rem;padding:1.2rem 1.4rem}.lookup-faq-item summary{cursor:pointer;font-size:17px;font-weight:600}.lookup-faq-item p{color:#45576d;margin:.8rem 0 0;font-size:16px;line-height:1.9}.lookup-cta{background:#eef5fb;border-radius:.7rem;margin:2.5rem 0 0;padding:1.3rem 1.5rem;font-size:16px;line-height:1.9}.lookup-cta a{color:#0a5aa8;font-weight:600}