.help-overlay{background:rgba(42,39,51,0.30);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}.help-modal{background:linear-gradient(var(--tm-paper-veil),var(--tm-paper-veil)),var(--tm-paper-texture) var(--tm-paper);background-size:auto,300px 300px;border:1px solid var(--tm-paper-hairline);border-radius:12px;box-shadow:0 24px 70px -18px rgba(42,39,51,0.45);color:var(--tm-paper-ink)}.help-header{background:transparent;border-bottom:2px solid var(--tm-paper-ink)}.help-header-title{color:var(--tm-paper-ink);font-weight:700}.help-back-btn,.help-close-btn{background:transparent;border:none;color:var(--tm-paper-ink-mut)}.help-back-btn:hover,.help-close-btn:hover{color:var(--tm-ink-purple-strong);background:transparent}.help-hub{padding:6px 18px 16px}.help-toc-row{align-items:flex-start;gap:8px}.help-toc-q{flex:1;min-width:0;white-space:normal;line-height:1.5}.help-toc-caret{flex:none;font-size:10px;color:var(--tm-paper-ink-mut);transform:translateY(2px)}.help-toc-item.is-open .help-toc-caret{color:var(--tm-ink-purple-strong)}.help-faq-note{margin:2px 0 10px 2px;padding:2px 0 2px 11px;border-left:2px solid var(--tm-paper-hairline-2);font-size:12px;line-height:1.75;color:var(--tm-paper-ink-2);white-space:pre-line;overflow-wrap:anywhere}.help-mail-form{padding:10px 18px 18px}.help-mail-form-title{font-family:var(--tm-serif, serif);font-size:10.5px;font-weight:700;letter-spacing:0.26em;text-transform:uppercase;color:var(--tm-paper-ink-mut)}.help-mail-form-title .sp-info-body{font-family:var(--tm-font-sans);letter-spacing:normal;text-transform:none;word-break:break-all}.help-mail-field-label{font-size:11px;color:var(--tm-paper-ink-2)}.help-mail-input{font:inherit;font-size:12.5px;color:var(--tm-paper-ink);background:var(--tm-paper-raised);border:1px solid var(--tm-paper-hairline-2);border-radius:4px;padding:6px 9px}.help-mail-input:focus,.help-mail-input:focus-visible{outline:none;border-color:var(--tm-ink-purple);box-shadow:none}.help-mail-input::placeholder{color:var(--tm-paper-ink-mut)}.help-mail-textarea{border:1px solid var(--tm-paper-hairline);border-radius:4px;background-color:var(--tm-paper-raised);background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 27px,var(--tm-paper-hairline) 27px,var(--tm-paper-hairline) 28px);background-attachment:local;line-height:28px;padding:0 10px}.help-mail-counter,.help-mail-file-size{font-family:var(--tm-font-mono);font-size:10.5px;font-variant-numeric:tabular-nums;color:var(--tm-paper-ink-mut)}.help-mail-file-item{color:var(--tm-paper-ink-2);background:var(--tm-paper-raised);border:1px solid var(--tm-paper-hairline);border-radius:4px}.help-mail-file-pick{display:inline-block;position:relative}.help-mail-file-pick .help-mail-file-input{position:absolute;inset:0;width:1px;height:1px;opacity:0;overflow:hidden;clip-path:inset(50%);pointer-events:none}.help-mail-file-btn{display:inline-block;font-size:12px;color:var(--tm-ink-purple-strong);background:none;border:1px solid var(--tm-paper-hairline-2);border-radius:4px;padding:5px 12px;cursor:pointer}.help-mail-file-pick:hover .help-mail-file-btn{background:var(--tm-paper-band)}.help-mail-file-pick:focus-within .help-mail-file-btn{border-color:var(--tm-ink-purple);outline:2px solid var(--tm-ink-purple);outline-offset:1px}.help-mail-file-remove{background:none;border:none;color:var(--tm-paper-ink-mut);cursor:pointer}.help-mail-file-remove:hover{color:var(--tm-cinnabar)}.help-mail-send-btn{font-family:var(--tm-serif, serif);font-weight:700;letter-spacing:0.1em;font-size:12.5px;color:var(--tm-paper);background:var(--tm-paper-ink);border:none;border-radius:4px;padding:9px 22px;box-shadow:0 2px 6px rgba(0,0,0,0.2);cursor:pointer}.help-mail-send-btn:hover{background:var(--tm-paper-ink);opacity:0.88}.help-mail-send-btn:disabled{opacity:0.45;cursor:default}.help-mail-receipt,.help-history{display:flex;flex-direction:column;padding:14px 18px 20px}.help-page .help-body.help-mail-receipt,.help-page .help-body.help-history{padding:18px 0 24px}.help-receipt-head{display:flex;flex-direction:column;align-items:flex-start}.help-receipt-mark{display:block;width:32px;height:32px;margin:0 0 14px;color:var(--tm-ink-purple);fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round}.help-receipt-mark-ring{stroke-width:0.94;stroke-opacity:0.42}.help-receipt-mark-tick{stroke-width:1.31}.help-receipt-title,.help-history-title{margin:0;font-family:var(--tm-serif, serif);font-size:19px;font-weight:600;line-height:1.25;letter-spacing:-0.005em;color:var(--tm-paper-ink)}.help-receipt-lede{margin:6px 0 0;font-size:13px;line-height:1.6;color:var(--tm-paper-ink-2);text-wrap:pretty}.help-receipt-facts,.help-history-list{margin:22px 0 0;padding:0;background:var(--tm-paper-raised);border:1px solid var(--tm-paper-hairline);border-radius:6px}.help-receipt-fact{padding:10px 12px 11px;min-width:0}.help-receipt-fact+.help-receipt-fact,.help-history-item+.help-history-item{border-top:1px solid var(--tm-paper-hairline)}.help-receipt-fact-label{margin:0;font-size:11px;line-height:1.4;color:var(--tm-paper-ink-2)}.help-receipt-fact-value{display:flex;align-items:center;min-height:28px;margin:1px 0 0;font-size:13px;line-height:1.45;color:var(--tm-paper-ink);overflow-wrap:anywhere}.help-receipt-refbox{align-items:baseline;justify-content:space-between;gap:8px}.help-mail-receipt-ref{min-width:0;font-family:var(--tm-font-mono);font-size:13.5px;line-height:28px;letter-spacing:0.04em;font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--tm-paper-ink);background:none;border:0;padding:0;user-select:all}.help-mail-receipt-copy{flex:none;display:inline-flex;align-items:center;gap:5px;height:28px;margin-right:-7px;padding:0 9px 0 8px;font:inherit;font-size:12px;color:var(--tm-ink-purple-strong);background:transparent;border:0;border-radius:6px;cursor:pointer}.help-mail-receipt-copy:hover{background:var(--tm-paper-band)}.help-mail-receipt-copy:active{background:var(--tm-paper-2)}.help-mail-receipt-copy:focus-visible{outline:2px solid var(--tm-ink-purple);outline-offset:0}.help-mail-receipt-copy>span{align-self:baseline;line-height:28px}.help-receipt-copy-icon{align-self:center;width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.help-receipt-foot{margin:12px 0 0;font-size:11.5px;line-height:1.65;color:var(--tm-paper-ink-2);text-wrap:pretty}.help-mail-notice{display:flex;align-items:flex-start;gap:10px;padding:11px 12px 12px;background:var(--tm-paper-band);border:1px solid var(--tm-paper-hairline-2);border-radius:6px}.help-notice-mark{flex:none;width:16px;height:16px;margin-top:1px;fill:none;stroke:var(--tm-cinnabar);stroke-width:1.9;stroke-dasharray:2.75 3.4;stroke-linecap:round}.help-notice-text{flex:1;min-width:0}.help-notice-title{margin:0;font-size:12.5px;font-weight:600;line-height:1.45;color:var(--tm-paper-ink)}.help-notice-body{margin:3px 0 0;font-size:12px;line-height:1.65;color:var(--tm-paper-ink-2);text-wrap:pretty}.help-notice-ref{font-family:var(--tm-font-mono);font-size:11.5px;letter-spacing:0.02em;white-space:nowrap;color:var(--tm-paper-ink)}:lang(zh) .help-receipt-title,:lang(zh) .help-history-title{font-family:var(--tm-font-sans);font-size:18px;letter-spacing:0.02em}.help-group-toggle{display:flex;align-items:center;width:calc(100% + 8px);min-height:32px;margin:-8px -4px -6px -4px;padding:0 4px;background:none;border:0;border-radius:4px;text-align:left;cursor:pointer}.help-group-caret{display:inline-block;margin-left:5px;font-family:inherit;font-size:10px;line-height:1;letter-spacing:0;color:var(--tm-paper-ink-2);transition:transform var(--tm-dur-fast, 150ms) ease}.help-group-toggle:hover,.help-group-toggle:hover .help-group-caret{color:var(--tm-paper-ink)}.help-group-toggle[aria-expanded=true] .help-group-caret{transform:rotate(180deg)}.help-group-toggle:focus-visible{outline:2px solid var(--tm-ink-purple);outline-offset:0}@media(prefers-reduced-motion:reduce){.help-group-caret{transition:none}}.help-group.is-collapsed{padding-top:6px}.help-group.is-collapsed:first-child{padding-top:0}.help-group.is-collapsed .help-group-toggle{margin:0 -4px}.help-group.is-collapsed+.stoc-sec{margin-top:-10px}.help-history-list{list-style:none;margin-top:16px}.help-history-item{padding:11px 12px 8px;min-width:0}.help-history-excerpt{margin:0;font-size:13px;line-height:1.5;color:var(--tm-paper-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.help-history-meta{display:flex;flex-wrap:wrap;align-items:center;gap:2px 6px;margin:3px 0 0;font-size:11px;line-height:1.5;font-variant-numeric:tabular-nums;color:var(--tm-paper-ink-2)}.help-history-sep{color:var(--tm-paper-ink-mut)}.help-history-flag{display:inline-flex;align-items:center;gap:4px;margin-right:2px;color:var(--tm-cinnabar)}.help-history-flag .help-notice-mark{width:12px;height:12px;margin:0}.help-history-refrow{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-top:2px}.help-history-ref{min-width:0;font-family:var(--tm-font-mono);font-size:12.5px;line-height:28px;letter-spacing:0.04em;white-space:nowrap;color:var(--tm-paper-ink-2);user-select:all}.help-page{display:block}.help-page .help-body{padding:0;overflow:visible}.help-page .help-hub{padding:2px 0 16px}.help-header--inline{display:flex;justify-content:flex-start;padding:4px 0 2px;border-bottom:none}.help-mail-toolrow+.help-mail-file-list{margin-top:-8px}.help-mail-toolrow{display:flex;align-items:center;justify-content:space-between;margin-top:-6px}.help-mail-toolrow .help-mail-file-btn{display:inline-flex;align-items:center;gap:5px;border:none;padding:3px 0;font-size:12px}.help-mail-toolrow .help-mail-file-pick:hover .help-mail-file-btn{background:none;text-decoration:underline;text-underline-offset:3px}.help-mail-attach-icon{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}