:root{color-scheme:dark;--bg:#050505;--surface:#0d0d10;--raised:#141418;--text:#f0f0f0;--muted:#99999f;--line:rgba(255,255,255,.12);--purple:#30AA42;--purple-text:#69d77a;--error:#ff9b91}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.6 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}body.light{color-scheme:light;--bg:#ffffff;--surface:#fff;--raised:#f5faf6;--text:#1a1a1a;--muted:#66666d;--line:rgba(0,0,0,.13);--purple-text:#237d31;--error:#a62e28}button,input,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button,select{color:var(--text)}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.38}a{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--purple-text);outline-offset:4px}[hidden]{display:none!important}
.topbar{display:flex;align-items:center;gap:30px;padding:18px 36px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-weight:750;letter-spacing:.13em;font-size:16px;line-height:1.1}.brand>span{color:#ff4d00}.brand small{display:block;font-size:9px;font-weight:400;letter-spacing:.02em;color:var(--muted);margin-top:6px}.tool-name{font-size:12px;color:var(--muted);padding-left:25px;border-left:1px solid var(--line)}.site-controls{margin-left:auto;display:flex;align-items:center;gap:15px}.site-controls select{max-width:112px;padding:6px 9px;background:var(--surface);border:1px solid var(--line);border-radius:8px;font-size:12px}.quiet{border:0;background:none;color:var(--muted);padding:6px 0;font-size:12px}.quiet:hover{color:var(--text)}
main{max-width:1120px;margin:auto;padding:36px 32px 60px}.intro{display:flex;justify-content:space-between;gap:30px;align-items:center;margin-bottom:28px}.tag{display:inline-block;padding:4px 10px;border:1px solid rgba(48,170,66,.5);color:var(--purple-text);border-radius:99px;font-size:11px}h1{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.045em;line-height:1.25;margin:16px 0 12px;font-weight:650}p{margin:0}.intro>div>p{color:var(--muted);font-size:13px}.quota{text-align:right;min-width:175px}.quota>span{font-size:11px;color:var(--muted)}.quota>strong{font-size:32px;letter-spacing:-.06em;display:block;line-height:1.2}.quota strong small{font-size:15px;color:var(--muted);font-weight:400}.quota>p{font-size:10px;color:var(--muted);margin-top:9px}.quota-dots{display:flex;justify-content:flex-end;gap:5px;margin-top:8px}.quota-dots i{display:block;width:22px;height:3px;background:var(--purple)}.quota-dots i.used{background:var(--line)}
.workspace{border:1px solid var(--line);background:var(--surface);border-radius:16px;overflow:hidden}.mode-tabs{display:flex;border-bottom:1px solid var(--line);padding:6px;gap:5px}.mode-tabs button{flex:1;background:none;border:0;border-radius:9px;padding:12px 8px;color:var(--muted);font-size:13px}.mode-tabs button.active{background:rgba(48,170,66,.16);color:var(--purple-text)}.workspace-body{display:grid;grid-template-columns:1.12fr 1fr;min-height:312px}.source-panel,.target-panel{padding:24px}.source-panel{border-right:1px solid var(--line)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-heading h2{font-size:13px;font-weight:600;margin:0}.section-heading>span{font-size:10px;color:var(--muted)}.dropzone{width:100%;min-height:202px;margin:18px 0 8px;background:var(--raised);border:1px dashed var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;color:var(--muted)}.dropzone svg{color:var(--purple-text);margin-bottom:4px}.dropzone strong{color:var(--text);font-size:13px;font-weight:500}.dropzone>span{font-size:10px}.dropzone.drag-over{border-color:var(--purple);background:rgba(48,170,66,.1)}.file-actions{display:flex;align-items:center;justify-content:space-between}.file-list{max-height:310px;overflow:auto}.file-item{border-bottom:1px solid var(--line);padding:14px 0}.file-header{display:flex;align-items:center;gap:7px}.file-name{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:12px}.file-format{font-size:9px;color:var(--purple-text);border:1px solid var(--line);padding:1px 5px;border-radius:4px}.file-version{color:var(--muted);font-size:10px;white-space:nowrap}.remove-file{background:none;border:0;padding:0 2px;color:var(--muted);font-size:18px}.file-detail{color:var(--muted);font-size:10px;margin-top:6px}.file-error{color:var(--error);word-break:break-word;font-size:11px;margin-top:7px}.source-radio{accent-color:var(--purple);margin:0 2px 0 0}.hint{color:var(--muted);font-size:12px;margin:18px 0;min-height:38px}label{display:block;color:var(--muted);font-size:11px;margin-bottom:8px}#targetYear{background:var(--raised);border:1px solid var(--line);border-radius:8px;width:100%;padding:11px;font-size:14px}.year-choices{display:flex;flex-wrap:wrap;gap:7px;margin:8px 0}.year-choice{display:flex;gap:5px;align-items:center;background:var(--raised);border:1px solid var(--line);border-radius:6px;padding:5px 8px;margin:0;color:var(--text);cursor:pointer;font-size:11px}.year-choice:has(input:disabled){opacity:.3;cursor:not-allowed}.year-choice input{accent-color:var(--purple);margin:0;width:12px;height:12px}.target-note{font-size:10px;color:var(--muted);margin-top:12px}.allowance-note{border-top:1px solid var(--line);margin-top:24px;padding-top:16px}.allowance-note strong{font-size:11px;font-weight:500;color:var(--purple-text)}.allowance-note p{font-size:11px;color:var(--muted);margin-top:5px}
.action-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 24px;border-top:1px solid var(--line)}.action-bar strong{font-size:12px;font-weight:500}.action-bar p{font-size:10px;color:var(--muted);margin-top:4px}.action-buttons{display:flex;align-items:center;gap:16px;flex:none}.primary,.primary-link{border:0;background:var(--purple);color:white;border-radius:8px;font-size:13px;padding:12px 23px;text-decoration:none;font-weight:550}.primary:hover,.primary-link:hover{filter:brightness(1.1)}.status-area{padding:0 24px}.status-area:has(#message:not(:empty)){padding-bottom:16px}#message{font-size:12px;word-break:break-word;color:var(--muted)}#message.error{color:var(--error)}progress{display:block;width:100%;height:4px;accent-color:var(--purple);margin:0 0 12px}.download-again{display:inline-block;color:var(--purple-text);font-size:12px;margin-top:10px}.results{padding:20px 24px;border-top:1px solid var(--line)}#resultList{max-height:230px;overflow:auto}.result-row{display:flex;gap:16px;justify-content:space-between;border-top:1px solid var(--line);padding:12px 0;font-size:12px}.result-row:first-child{margin-top:14px}.result-row>div{min-width:0}.result-row small{display:block;font-size:10px;color:var(--muted);word-break:break-word}.result-row>span{flex:none;font-size:10px}.result-row.success>span{color:var(--purple-text)}.result-row.error>span{color:var(--error)}
.limit-notice{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid rgba(48,170,66,.5);background:rgba(48,170,66,.08);border-radius:12px;padding:20px 24px;margin-bottom:22px}.limit-notice strong{font-size:14px;font-weight:550}.limit-notice p{font-size:12px;color:var(--muted);margin-top:6px}.limit-notice a{flex:none}.help{margin-top:32px}.help>h2{font-size:15px;font-weight:500;margin:0 0 16px}.help-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:32px}details{border-top:1px solid var(--line);padding:14px 0}summary{font-size:12px;cursor:pointer}details p{font-size:12px;color:var(--muted);line-height:1.9;margin-top:10px}footer{border-top:1px solid var(--line);padding:20px 36px;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}footer a{text-decoration:none}
@media(max-width:720px){.topbar{padding:15px 20px;gap:12px}.tool-name{display:none}.site-controls{gap:12px}.site-controls select{font-size:11px;width:91px}.brand{font-size:13px}.brand small{font-size:8px}main{padding:25px 18px 40px}.intro{gap:15px;align-items:flex-start}.intro>div{min-width:0}h1{font-size:27px}.intro>div>p{font-size:11px}.quota{min-width:100px}.quota>strong{font-size:27px}.quota>p{max-width:110px;margin-left:auto;line-height:1.6}.workspace-body{grid-template-columns:1fr}.source-panel{border-right:0;border-bottom:1px solid var(--line)}.source-panel,.target-panel{padding:18px}.mode-tabs button{font-size:11px;padding:11px 3px}.dropzone{min-height:165px}.hint{min-height:0;margin:14px 0}.target-panel .allowance-note{margin-top:18px}.action-bar{padding:18px;align-items:stretch;flex-direction:column;gap:14px}.action-buttons{justify-content:flex-end}.primary{flex:1}.action-buttons .quiet{font-size:11px}.status-area,.results{padding-left:18px;padding-right:18px}.help-grid{grid-template-columns:1fr}.limit-notice{padding:18px;align-items:stretch;flex-direction:column;gap:14px}.limit-notice .primary-link{text-align:center}footer{padding:18px;gap:15px}.result-row{gap:8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

.file-size-hint{font-size:11px;color:var(--purple-text);margin:0 0 12px}.limit-notice .offline-benefits{color:var(--text);max-width:650px;line-height:1.8}

body.light{--line:rgba(18,62,27,.14)}body.light .workspace{box-shadow:0 12px 36px rgba(18,62,27,.05)}.primary,.primary-link{color:#071b0b;font-weight:650}#trialMoreLink{color:var(--purple-text)}#trialMoreLink[aria-disabled="true"]{opacity:.55;cursor:default}footer{flex-wrap:wrap}
.intro-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.trial-buy-link{display:inline-flex;align-items:center;min-height:28px;padding:4px 12px;background:var(--purple);border:1px solid var(--purple);border-radius:99px;font-size:11px;font-weight:600;color:#071b0b;text-decoration:none}.trial-buy-link:hover{filter:brightness(1.12)}
.limit-notice{display:block}.limit-tabs{display:flex;gap:8px;margin-top:15px;border-bottom:1px solid var(--line)}.limit-tabs button{padding:10px 14px;margin-bottom:-1px;background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);font-size:13px}.limit-tabs button[aria-selected="true"]{color:var(--purple-text);border-bottom-color:var(--purple);font-weight:600}.limit-notice [role="tabpanel"]{padding-top:10px}.offline-purchase-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:16px}.offline-purchase-actions span{font-size:12px;color:var(--purple-text)}.limit-notice .purchase-destination{margin-top:10px;font-size:11px}.trial-buy-link[aria-disabled="true"]{opacity:.55;cursor:default}