:root{--bg: #f0f7ff;--card: #ffffff;--primary: #4f8cff;--primary-dark: #3a6fd8;--accent: #ffb347;--text: #1a2a4a;--muted: #6b7a99;--ok: #2ecc71;--warn: #e67e22;--radius: 16px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#e8f2ff,#f0f7ff 40%,#fff8f0);color:var(--text);min-height:100vh;-webkit-tap-highlight-color:transparent}.appTopBar{position:sticky;top:0;z-index:200;background:#ffffffe0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(79,140,255,.12);padding-top:env(safe-area-inset-top)}.appTopBarInner{max-width:480px;margin:0 auto;padding:8px 16px;display:flex;justify-content:flex-end;align-items:center;min-height:36px}.loginStatus{font-size:.82rem;color:var(--muted);line-height:1.4;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.loginStatus.loggedIn{color:var(--primary-dark);font-weight:600}.loginStatusLink{color:var(--primary);text-decoration:none}.loginStatusLink:active{opacity:.75}.loginStatusBar{display:flex;align-items:center;justify-content:flex-end;gap:10px;max-width:100%;min-width:0}.loginStatusBar .loginStatus{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.loginStatusLogout{flex-shrink:0;padding:0;border:none;background:none;color:var(--primary);font-size:.82rem;cursor:pointer;line-height:1.4}.loginStatusLogout:active{opacity:.75}.siteFooter{margin-top:8px;padding:20px 16px calc(24px + env(safe-area-inset-bottom))}.siteFooterInner{max-width:480px;margin:0 auto;text-align:center}.siteFooterLine{margin:0 0 6px;font-size:.72rem;line-height:1.55;color:var(--muted)}.siteFooterLine:last-child{margin-bottom:0}.page{max-width:480px;margin:0 auto;padding:20px 16px calc(24px + env(safe-area-inset-bottom))}.center{text-align:center;padding:40px 0}.hero{text-align:center;margin-bottom:20px}.hero h1{font-size:1.5rem;margin:0 0 8px;color:var(--primary-dark)}.hero h1 .heroTag{font-size:1rem;font-weight:600}.hero p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.5}.card{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:14px;box-shadow:0 4px 20px #4f8cff14}.pageAd,.loginAd{display:block;margin-top:16px;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 16px #4f8cff1a;line-height:0}.pageAd img,.loginAd img{display:block;width:100%;height:auto}.pageAdStatic{cursor:default}.reportPage>.pageAd{margin-bottom:16px}.testPage>.pageAd{margin-top:12px}.sectionTitle{font-weight:600;margin-bottom:10px}.label{display:block;font-size:.85rem;color:var(--muted);margin:8px 0 6px}.input{width:100%;padding:12px 14px;border:2px solid #e3ebf7;border-radius:12px;font-size:1rem;outline:none}.input:focus{border-color:var(--primary)}.chipRow{display:flex;gap:8px}.chipRow.wrap{flex-wrap:wrap}.chip{flex:1;min-width:70px;padding:10px 8px;border:2px solid #e3ebf7;border-radius:12px;background:#fff;font-size:.9rem;cursor:pointer}.chip.active{border-color:var(--primary);background:#eef4ff;color:var(--primary-dark);font-weight:600}.chip:disabled{opacity:.4;cursor:not-allowed}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border:none;border-radius:12px;font-size:1rem;cursor:pointer;text-decoration:none}.btn.primary{background:var(--primary);color:#fff}.btn.secondary{background:#eef2f8;color:var(--text)}.btn.danger{background:#e74c3c;color:#fff}.btn.large{width:100%;padding:16px;margin-bottom:10px;font-size:1.05rem;font-weight:600}.btn:disabled{opacity:.5;cursor:not-allowed}.btnRow{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}.btnRowCenter{justify-content:center}.error{background:#fff0f0;color:#c0392b;padding:10px 12px;border-radius:10px;margin:10px 0;font-size:.9rem}.devCode{margin-top:8px;padding:8px 10px;background:#fff8e6;border-radius:8px;font-size:.85rem;color:#b7791f}.hint{font-size:.85rem;color:var(--muted);margin-top:10px;line-height:1.5}.loginQrcode{display:block;width:160px;max-width:72%;margin:14px auto 0;border-radius:10px;box-shadow:0 2px 12px #4f8cff1f}.hint.warn{color:var(--warn)}.linkRow{display:flex;justify-content:space-between;margin-top:16px;font-size:.9rem}.linkRow a{color:var(--primary)}.linkBtn{background:none;border:none;color:var(--muted);cursor:pointer;font-size:.9rem}.testExitBar{display:flex;justify-content:center;margin-top:20px;padding-bottom:8px}.testExitBtn{padding:10px 28px;border:none;border-radius:999px;background:#eef2f8;color:var(--muted);font-size:.9rem;font-weight:600;cursor:pointer}.testExitBtn:active{background:#dfe6f0}.confirmOverlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;background:#1a2a4a73}.confirmDialog{width:100%;max-width:340px;padding:22px 18px 18px;border-radius:var(--radius);background:#fff;box-shadow:0 12px 40px #0000002e}.confirmDialog h3{margin:0 0 10px;font-size:1.1rem;color:var(--text)}.confirmDialog p{margin:0 0 18px;font-size:.92rem;line-height:1.5;color:var(--muted)}.confirmActions{display:flex;gap:10px}.confirmActions .btn{flex:1}.progressWrap{margin-bottom:16px}.progressText{font-size:.9rem;color:var(--muted);margin-bottom:6px}.progressBar{height:8px;background:#e3ebf7;border-radius:999px;overflow:hidden}.progressFill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;transition:width .3s}.testSection{margin-bottom:4px}.testSectionLabel{display:flex;align-items:center;gap:8px;margin-bottom:10px}.testSectionBadge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:700;letter-spacing:.04em;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark))}.testSectionBadge.answer{background:linear-gradient(135deg,#ff9f43,#e67e22)}.testSectionTitle{font-size:.95rem;font-weight:600;color:var(--text)}.testListenSection .card{margin-bottom:0;border:2px solid rgba(79,140,255,.35);background:linear-gradient(180deg,#f8fbff,#fff);box-shadow:0 4px 16px #4f8cff1f}.testAnswerSection{padding:14px 12px 12px;border-radius:var(--radius);background:#fffaf5;border:2px solid rgba(255,159,67,.35);box-shadow:0 4px 16px #e67e2214}.testSectionDivider{display:flex;align-items:center;justify-content:center;margin:14px 0 12px;font-size:.8rem;font-weight:600;color:var(--muted)}.testSectionDivider:before,.testSectionDivider:after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,#c5d4eb,transparent)}.testSectionDivider span{padding:0 12px;white-space:nowrap}.listenCard{text-align:center;padding:24px 16px}.listenIcon{font-size:2.5rem;margin-bottom:8px}.listenHint{font-size:1.05rem;font-weight:600}.listenMeta{font-size:.85rem;color:var(--muted);margin-top:6px}.replayBtn{margin-top:12px;padding:8px 16px;font-size:.9rem}.imageGrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.imageOption{position:relative;border:4px solid #f0e0d0;border-radius:16px;padding:6px;background:#fff;cursor:pointer;aspect-ratio:1;overflow:hidden;box-shadow:0 2px 10px #00000014}.imageOption.optionSlot-0{background:#f2f7fd}.imageOption.optionSlot-1{background:#effaf4}.imageOption.optionSlot-2{background:#fdf4ed}.imageOption.optionSlot-3{background:#f9f4fb}.imageOption img.optionImg{width:100%;height:100%;object-fit:contain;border-radius:12px;display:block;padding:12px;background:#fff}.optionMissing{width:100%;height:100%;min-height:120px;background:#f1f5f9;border-radius:12px}.emojiIcon{font-size:4.5rem;line-height:1;display:flex;align-items:center;justify-content:center;width:100%;height:100%}.optionDistinct{width:100%;height:100%;display:flex;align-items:center;justify-content:center;border-radius:12px}.optionShape{font-size:4rem;line-height:1}.imageOption.selected{border-width:5px;box-shadow:0 0 0 3px #4f8cff40,0 4px 14px #0000001f}.imageOption:disabled{opacity:.7;cursor:wait}.textGrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.textOption{position:relative;border:4px solid #f0e0d0;border-radius:16px;padding:16px 12px;background:#fff;cursor:pointer;min-height:88px;display:flex;align-items:center;justify-content:center;text-align:center;box-shadow:0 2px 10px #00000014;transition:box-shadow .2s,transform .15s}.textOption.optionSlot-0{background:#f2f7fd}.textOption.optionSlot-1{background:#effaf4}.textOption.optionSlot-2{background:#fdf4ed}.textOption.optionSlot-3{background:#f9f4fb}.textOptionLabel{font-size:1.05rem;line-height:1.45;font-weight:600;color:#1a2a3a}.textOption.highlighted{box-shadow:0 0 0 4px #4f8cff59,0 4px 16px #4f8cff33;transform:scale(1.02)}.textOptionSpeaker{position:absolute;top:8px;right:10px;font-size:1rem;line-height:1}.optionsStartBtn{width:100%;margin-bottom:14px;font-size:1.1rem;padding:14px 16px}.hiddenAudio{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.textOption.selected{border-width:5px;box-shadow:0 0 0 3px #4f8cff40,0 4px 14px #0000001f}.textOption:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.35)}.feedback{text-align:center;margin-top:14px;font-size:1.1rem;font-weight:600;color:var(--warn)}.feedback.ok{color:var(--ok)}.reportPage{padding-bottom:32px}.reportHeader{text-align:center;margin-bottom:16px}.reportBadge{display:inline-block;padding:4px 12px;border-radius:999px;background:linear-gradient(135deg,#e8f4ff,#fff8f0);color:var(--primary-dark);font-size:.8rem;font-weight:600;margin-bottom:8px}.reportHeader h1{margin:0;font-size:1.35rem;color:var(--text)}.reportMeta{margin:6px 0 0;font-size:.82rem;color:var(--muted)}.reportHero{text-align:center;padding:28px 20px 24px;background:linear-gradient(160deg,#fff9f0,#fff 45%,#eef6ff);border:2px solid rgba(255,159,67,.25);margin-bottom:14px}.reportHeroLabel{font-size:.95rem;color:var(--muted);font-weight:600}.reportHeroValue{margin:10px 0 8px;line-height:1}.vocabNumber{font-size:3.5rem;font-weight:800;color:#e67e22;letter-spacing:-.02em}.vocabNumber.levelText{font-size:2.2rem;color:var(--primary-dark)}.vocabUnit{font-size:1.1rem;font-weight:600;color:#c45a00;margin-left:6px}.reportLevelTag{display:inline-block;padding:6px 16px;border-radius:999px;background:#fff3e0;color:#d35400;font-weight:700;font-size:.95rem;margin-bottom:10px}.reportPeerLine{margin:0 0 10px;font-size:.95rem;color:var(--text);line-height:1.5}.reportPeerLine strong{color:#e67e22}.reportAlgoHint{display:block;font-size:.78rem;color:var(--muted);font-weight:400;margin-top:4px}.reportHeroSummary{margin:0;font-size:.88rem;color:var(--muted)}.reportSectionTitle{margin:0 0 14px;font-size:1rem;color:var(--primary-dark)}.reportMetrics{margin-bottom:14px}.metricsGrid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;align-items:start}.metricBlock{text-align:center}.metricBig{font-size:1.5rem;font-weight:700;color:var(--primary-dark)}.metricSmall{font-size:1rem;font-weight:500;color:var(--muted)}.metricLabel{margin-top:6px;font-size:.78rem;color:var(--muted)}.ringBlock{display:flex;flex-direction:column;align-items:center}.accuracyRing{width:88px;height:88px}.accuracyRing .ringBg{fill:none;stroke:#e8eef5;stroke-width:8}.accuracyRing .ringFill{fill:none;stroke:var(--primary);stroke-width:8;stroke-linecap:round;transform:rotate(-90deg);transform-origin:50% 50%}.accuracyRing .ringText{font-size:1.1rem;font-weight:700;fill:var(--primary-dark)}.reportInsight p{margin:0 0 10px;line-height:1.6;font-size:.92rem;color:var(--text)}.reportComparison{padding:12px;border-radius:12px;background:#f8fbff;border-left:4px solid var(--primary)}.reportList{margin:0;padding-left:1.2rem;font-size:.88rem;line-height:1.65;color:var(--text)}.reportList li{margin-bottom:8px}.algoCode{font-size:.8rem;background:#f0f4f8;padding:2px 6px;border-radius:4px}.cefrAccList{list-style:none;margin:0;padding:0}.cefrAccList li{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid #f0f0f0;font-size:.92rem}.cefrAccList li:last-child{border-bottom:none}.cefrLevelTag{display:inline-block;min-width:36px;font-weight:700;color:var(--primary)}.reportActions{display:flex;flex-direction:column;gap:10px;margin-top:8px}.historyList{display:flex;flex-direction:column;gap:10px}.historyItem{text-decoration:none;color:inherit;display:block}.historyTop{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.tag{background:#eef4ff;color:var(--primary);padding:2px 8px;border-radius:6px;font-size:.8rem}.muted{color:var(--muted);font-size:.8rem}.historyMain{font-weight:600;margin-bottom:4px}.historySub{font-size:.85rem;color:var(--muted)}