.placement-shell{--pt-ink:#0b1f3a;--pt-blue:#0868d9;--pt-blue-dark:#072f65;--pt-sky:#8ee5ff;--pt-orange:#ff5a1f;--pt-paper:#f3f8ff;--pt-white:#fff;--pt-muted:#607084;--pt-line:#072f6524;background:radial-gradient(circle at 92% 8%, #8ee5ff57, transparent 28rem), var(--pt-paper);min-height:100vh;color:var(--pt-ink)}.placement-shell button,.placement-shell input,.placement-shell select,.placement-shell textarea{font:inherit}.placement-header{border-bottom:1px solid var(--pt-line);justify-content:space-between;align-items:center;width:min(1180px,100% - 48px);min-height:82px;margin:auto;display:flex}.placement-brand{align-items:center;gap:11px;display:flex}.placement-brand img{object-fit:contain;filter:drop-shadow(0 6px 10px #0868d929);border-radius:50%;width:50px;height:50px}.placement-brand span{flex-direction:column;line-height:1.05;display:flex}.placement-brand strong{letter-spacing:.02em;font-family:Noto Sans SC,Microsoft YaHei,sans-serif;font-size:18px}.placement-brand small{color:var(--pt-muted);letter-spacing:.1em;text-transform:uppercase;margin-top:5px;font-size:9px;font-weight:800}.header-meta{gap:10px;display:flex}.header-meta span{border:1px solid var(--pt-line);background:#fff9;border-radius:999px;padding:8px 12px;font-size:11px;font-weight:800}.placement-kicker{color:var(--pt-blue);letter-spacing:.14em;text-transform:uppercase;margin:0 0 18px;font-size:11px;font-weight:900}.placement-intro{grid-template-columns:.95fr 1.05fr;align-items:center;gap:90px;width:min(1180px,100% - 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48px);min-height:calc(100vh - 162px);margin:auto;padding:62px 0 86px;display:grid}.test-sidebar{align-self:start;position:sticky;top:30px}.test-sidebar h2{letter-spacing:-.045em;margin:0;font-size:38px}.test-sidebar>p:nth-of-type(2){color:var(--pt-muted);font-size:13px;line-height:1.65}.skill-list{gap:4px;margin-top:32px;display:grid}.skill-list span{min-height:46px;color:var(--pt-muted);border-radius:10px;grid-template-columns:8px 1fr auto;align-items:center;gap:10px;padding:0 12px;font-size:12px;font-weight:750;display:grid}.skill-list span.active{color:var(--pt-ink);background:#fff;box-shadow:0 8px 30px #072f6514}.skill-list i{background:var(--pt-line);border-radius:50%;width:6px;height:6px}.skill-list span.active i{background:var(--pt-orange)}.skill-list b{font:600 10px/1 monospace}.question-panel{background:#fff;border-radius:30px;min-height:640px;padding:clamp(28px,5vw,58px);box-shadow:0 26px 70px #072f651a}.progress-row{color:var(--pt-muted);text-transform:uppercase;letter-spacing:.08em;justify-content:space-between;font-size:10px;font-weight:850;display:flex}.progress-track{background:#dceaf6;border-radius:999px;height:5px;margin-top:12px;overflow:hidden}.progress-track i{border-radius:inherit;background:linear-gradient(90deg, var(--pt-blue), #14bce7);height:100%;transition:width .25s;display:block}.question-meta{gap:9px;margin-top:34px;display:flex}.question-meta span{background:var(--pt-paper);color:var(--pt-blue);text-transform:uppercase;letter-spacing:.08em;border-radius:999px;padding:7px 10px;font-size:9px;font-weight:850}.audio-box{background:var(--pt-blue-dark);color:#fff;border-radius:14px;justify-content:space-between;align-items:center;gap:16px;margin-top:26px;padding:18px;display:flex}.audio-box button{color:#fff;cursor:pointer;background:0 0;border:0;align-items:center;gap:12px;font-weight:800;display:flex}.audio-box button span{background:var(--pt-sky);width:34px;height:34px;color:var(--pt-ink);border-radius:50%;place-items:center;font-size:11px;display:grid}.audio-box button:disabled{cursor:not-allowed;opacity:.55}.audio-box small{color:#ffffff94;font-size:9px}.reading-passage{white-space:pre-line;border-left:4px solid var(--pt-orange);background:#f7fbff;border-radius:0 14px 14px 0;margin-top:26px;padding:22px;font-family:Noto Sans SC,Microsoft YaHei,sans-serif;font-size:18px;line-height:1.75}.question-panel>h2{letter-spacing:-.035em;max-width:720px;margin:28px 0 24px;font-size:clamp(24px,3vw,36px);line-height:1.25}.answer-options{grid-template-columns:1fr 1fr;gap:12px;display:grid}.answer-options button{border:1px solid var(--pt-line);min-height:66px;color:var(--pt-ink);cursor:pointer;text-align:left;background:#fff;border-radius:14px;align-items:center;gap:13px;padding:13px 16px;line-height:1.4;display:flex}.answer-options button:hover{border-color:var(--pt-blue);background:#f7fbff}.answer-options button.selected{border-color:var(--pt-blue);background:#8ee5ff38;box-shadow:0 0 0 2px #0868d914}.answer-options button>span{background:var(--pt-paper);width:30px;height:30px;color:var(--pt-blue);border-radius:8px;flex:none;place-items:center;font:800 11px/1 monospace;display:grid}.answer-options button.selected>span{background:var(--pt-blue);color:#fff}.question-actions{border-top:1px solid var(--pt-line);justify-content:space-between;margin-top:34px;padding-top:24px;display:flex}.question-actions .placement-primary{background:var(--pt-blue);color:#fff}.placement-secondary{color:var(--pt-muted);background:0 0}.placement-secondary:disabled{opacity:.3;cursor:not-allowed}.writing-stage{grid-template-columns:.85fr 1.15fr;align-items:start;gap:76px;width:min(1180px,100% - 48px);min-height:calc(100vh - 160px);margin:auto;padding:74px 0 90px;display:grid}.writing-intro{position:sticky;top:30px}.writing-intro h1{font-size:clamp(48px,5.5vw,76px)}.writing-intro>p:nth-of-type(2){color:var(--pt-muted);font-size:15px;line-height:1.7}.writing-tip{border:1px solid var(--pt-line);color:var(--pt-muted);background:#fff;border-radius:16px;margin-top:30px;padding:20px;font-size:12px;line-height:1.6}.writing-tip strong{color:var(--pt-ink)}.writing-form label{margin-bottom:30px;display:block}.writing-form label>span{align-items:center;gap:10px;font-size:15px;font-weight:850;display:flex}.writing-form label>span b{background:var(--pt-sky);width:28px;height:28px;color:var(--pt-ink);border-radius:50%;place-items:center;font:700 9px/1 monospace;display:grid}.writing-form label>small{color:#ffffff94;margin:10px 0;font-size:11px;line-height:1.55;display:block}.writing-form label>p{background:#ffffff12;border-radius:10px;margin:12px 0;padding:14px;font-family:Noto Sans SC,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.6}.writing-form textarea{resize:vertical;min-height:128px;padding:14px;line-height:1.6}.writing-form>.placement-primary{width:100%}.result-stage{width:min(1180px,100% - 48px);margin:auto;padding:72px 0 90px}.result-hero{background:linear-gradient(135deg, var(--pt-blue-dark), var(--pt-blue));color:#fff;border-radius:34px;padding:clamp(34px,6vw,72px);position:relative;overflow:hidden}.result-hero:after{content:"级";color:#ffffff0f;font:500 260px/1 Georgia,serif;position:absolute;bottom:-28%;right:3%}.result-hero .placement-kicker{color:var(--pt-sky)}.result-eyebrow{color:#ffffff94;letter-spacing:.1em;text-transform:uppercase;margin:38px 0 10px;font-size:11px;font-weight:850;display:block}.result-hero h1{z-index:1;font-size:clamp(58px,8vw,104px);position:relative}.result-hero>p:nth-of-type(2){z-index:1;color:#ffffffb3;max-width:700px;font-size:16px;line-height:1.7;position:relative}.recommendation-line{z-index:1;border-top:1px solid #ffffff2e;justify-content:space-between;gap:20px;max-width:760px;margin-top:28px;padding-top:22px;display:flex;position:relative}.recommendation-line span{color:var(--pt-sky);text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:850}.recommendation-line strong{text-align:right}.result-dashboard{grid-template-columns:1fr 1fr;gap:24px;margin-top:24px;display:grid}.band-scores,.skill-scores,.verification-card{background:#fff;border-radius:24px;padding:34px;box-shadow:0 18px 55px #072f6514}.result-section-title{border-color:var(--pt-line)}.result-section-title>span{background:var(--pt-blue);color:#fff}.result-section-title small{color:var(--pt-muted)}.band-scores article{grid-template-columns:1fr 44px;align-items:center;gap:10px 15px;margin-top:25px;display:grid}.band-scores article>div:first-child{grid-column:1/-1;justify-content:space-between;font-size:12px;font-weight:750;display:flex}.band-scores article>div:first-child strong{color:var(--pt-blue)}.score-track{background:#e5eef7;border-radius:999px;height:8px;overflow:hidden}.score-track i{border-radius:inherit;background:linear-gradient(90deg, var(--pt-blue), #18bfe6);height:100%;display:block}.band-scores article>b{text-align:right;font-size:11px}.skill-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.skill-grid article{border:1px solid var(--pt-line);border-radius:15px;flex-direction:column;min-height:126px;padding:18px;display:flex}.skill-grid article.weakest{background:#ff5a1f0f;border-color:#ff5a1f73}.skill-grid span{color:var(--pt-muted);font-size:10px;font-weight:800}.skill-grid strong{margin-top:12px;font-size:30px}.skill-grid small{color:var(--pt-muted);margin-top:auto;font-size:9px}.skill-grid .weakest small{color:var(--pt-orange);font-weight:800}.verification-card{background:var(--pt-orange);grid-column:1/-1;grid-template-columns:.7fr 1.3fr auto;align-items:center;gap:30px;display:grid}.verification-card>div{align-items:center;gap:12px;display:flex}.verification-card>div span{border:1px solid #0b1f3a47;border-radius:50%;place-items:center;width:34px;height:34px;font:700 10px/1 monospace;display:grid}.verification-card p{color:#0b1f3ac2;margin:0;font-size:12px;line-height:1.6}.verification-card .placement-primary{background:var(--pt-ink);color:#fff;white-space:nowrap}.result-disclaimer{color:var(--pt-muted);justify-content:space-between;align-items:center;gap:30px;margin-top:24px;padding:22px 4px;font-size:11px;line-height:1.6;display:flex}.result-disclaimer p{max-width:820px;margin:0}.result-disclaimer strong{color:var(--pt-ink)}.result-disclaimer button{color:var(--pt-blue);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-bottom:1px solid;font-weight:800}.placement-footer{border-top:1px solid var(--pt-line);width:min(1180px,100% - 48px);min-height:90px;color:var(--pt-muted);grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;margin:auto;padding:24px 0;font-size:9px;font-weight:750;display:grid}.placement-footer a{color:var(--pt-blue);justify-self:end}@media (max-width:900px){.placement-intro,.writing-stage{grid-template-columns:1fr;gap:50px}.writing-intro{position:static}.test-workspace{grid-template-columns:1fr;gap:28px}.test-sidebar{position:static}.test-sidebar>p:nth-of-type(2){display:none}.skill-list{grid-template-columns:repeat(4,1fr)}.skill-list span{grid-template-columns:7px 1fr}.skill-list b{display:none}.result-dashboard{grid-template-columns:1fr}.verification-card{grid-column:auto;grid-template-columns:1fr}}@media (max-width:620px){.placement-header,.placement-intro,.test-workspace,.writing-stage,.result-stage,.placement-footer{width:min(100% - 28px,1180px)}.placement-header{min-height:70px}.placement-brand img{width:44px;height:44px}.header-meta span:first-child{display:none}.placement-intro,.writing-stage,.result-stage{padding-top:48px}.intro-copy h1,.writing-intro h1{font-size:48px}.test-specs article{padding:16px 10px}.test-specs strong{font-size:25px}.test-specs span{font-size:9px}.profile-form,.writing-form{border-radius:22px;padding:24px}.test-workspace{padding-top:36px}.skill-list{grid-template-columns:1fr 1fr}.question-panel{border-radius:22px;min-height:620px;padding:24px 18px}.audio-box{flex-direction:column;align-items:flex-start}.answer-options{grid-template-columns:1fr}.question-actions{gap:10px}.question-actions button{min-height:52px;padding:0 16px;font-size:12px}.result-hero{border-radius:24px;padding:30px 24px}.result-hero h1{font-size:55px}.recommendation-line{flex-direction:column}.recommendation-line strong{text-align:left}.band-scores,.skill-scores,.verification-card{padding:24px}.skill-grid{grid-template-columns:1fr}.result-disclaimer{flex-direction:column;align-items:flex-start}.placement-footer{text-align:left;grid-template-columns:1fr}.placement-footer a{justify-self:start}}@media (prefers-reduced-motion:no-preference){.placement-primary,.answer-options button{transition:transform .18s,background .18s,border-color .18s}}