.feedback-grid{grid-template-columns:minmax(250px,.68fr) minmax(0,1.32fr);align-items:start;gap:clamp(32px,5vw,72px)}
.feedback-copy{position:sticky;top:calc(var(--header-height) + 40px)}
.feedback-copy h2{font-size:clamp(40px,4.3vw,58px)}
html[lang=zh-CN] .feedback-copy h2,html[lang=zh-TW] .feedback-copy h2{font-size:clamp(34px,3.4vw,44px);line-height:1.35}
#feedback-form.fax-machine{display:block;max-width:680px;width:100%;padding:14px;background:linear-gradient(145deg,var(--paper-light),var(--paper) 40%,var(--surface));border:1px solid var(--line);border-radius:20px;box-shadow:inset 0 1px 0 var(--paper-light),inset 0 -2px 0 color-mix(in srgb,var(--ink) 8%,transparent),0 20px 55px #43252e0c;min-width:0;scroll-margin-top:0}
.fax-titlebar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:6px}
.fax-machine .window-dots{display:flex;gap:6px}.fax-machine .window-dots i{width:8px;height:8px;border-radius:50%;background:#ca8576;box-shadow:inset 0 0 0 1px #43252e12}.fax-machine .window-dots i:nth-child(2){background:#d7b16d}.fax-machine .window-dots i:nth-child(3){background:#8b9f87}
.fax-titlebar>span{font:10px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);letter-spacing:.08em;margin-inline-end:auto}
.fax-machine .fax-sound{background:none;color:var(--muted);font:10px/1.5 var(--body);min-height:28px;padding:3px 0}
.fax-machine .lcd-panel{background:#33272c;border:1px solid #281d23;border-radius:9px;box-shadow:inset 0 2px 7px #120b1266;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 13px;color:#f8ecda;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin-bottom:10px}
.fax-lcd-left{display:flex;align-items:center;gap:12px;min-width:0}.fax-led{width:7px;height:7px;flex:0 0 7px;border-radius:50%;background:#b9c7a0;box-shadow:0 0 9px #c3d29d55}
.fax-lcd-status{font-size:13px;font-weight:500;line-height:1.5;overflow-wrap:anywhere}.fax-lcd-sub{font-size:9px;letter-spacing:.09em;color:#c5afa6;margin-top:4px}
.fax-counter{text-align:end;flex-shrink:0}.fax-counter strong{display:block;font-size:12px;font-weight:400;font-variant-numeric:tabular-nums;direction:ltr}.fax-counter small{display:block;font-size:8px;color:#c5afa6;margin-top:5px}
.fax-machine[data-state=feeding] .fax-led,.fax-machine[data-state=waiting] .fax-led{background:#e9b87c;box-shadow:0 0 11px #e9b87c55;animation:fax-pulse .7s ease-in-out infinite alternate}.fax-machine[data-state=error] .fax-led{background:#e2a295}
.fax-machine .feed-bay{padding:8px 10px 0;border-radius:12px;background:color-mix(in srgb,var(--surface) 78%,var(--paper));box-shadow:inset 0 2px 7px #43252e12}
.fax-machine .feed-header{display:flex;justify-content:space-between;gap:12px;padding:0 3px 5px;color:var(--muted);font:9px/1.6 var(--body)}
.fax-machine .slit-slot{position:relative;z-index:5;height:10px;margin-bottom:-5px;border-radius:7px;background:#2c2026;border-bottom:1px solid #fff5df22;box-shadow:inset 0 3px 5px #100a0f}
.fax-machine .slit-slot:after{content:'';position:absolute;inset:3px 12%;background:linear-gradient(90deg,transparent,#c6aa9333,transparent);border-radius:5px}
.fax-machine .paper-viewport{position:relative;overflow:hidden;height:var(--fax-viewport-height,800px);padding-top:7px;isolation:isolate}
.fax-machine .paper-sheet{display:flex;position:relative;background:var(--paper-light);border-radius:2px 2px 7px 7px;box-shadow:0 4px 18px #43252e16;transform-origin:top center}
.fax-machine[data-state=feeding] .paper-sheet{will-change:transform}
.fax-machine .tractor-strip{width:18px;flex-shrink:0;border-inline-end:1px dashed var(--line);background:radial-gradient(circle,var(--surface) 0 3px,var(--line) 3.5px,transparent 4px) center 12px/14px 26px repeat-y}
.fax-machine .tractor-strip.right{border-inline-end:0;border-inline-start:1px dashed var(--line)}
.fax-machine .paper-body{min-width:0;flex:1;padding:11px 16px 14px}
.fax-machine .paper-top-meta{display:flex;align-items:start;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:7px;font:9px/1.7 var(--body);color:var(--muted)}
.fax-machine .paper-date{font-variant-numeric:tabular-nums;white-space:nowrap}
.fax-machine .content-header{display:flex;align-items:center;gap:18px;justify-content:space-between;margin:9px 0 10px}
.fax-machine .paper-stamp{color:var(--plum);border:1.5px solid currentColor;transform:rotate(-3deg);border-radius:4px;padding:2px 8px;font:600 11px/1.6 var(--body);max-width:75%}
.fax-machine .paper-stamp[data-kind=idea]{color:var(--accent)}
.fax-machine .fax-fields{padding:0;margin:0;border:0;min-width:0}.fax-machine .fax-fields:disabled{opacity:1}
#feedback-form.fax-machine label{margin:0 0 10px;font-size:11px;color:var(--muted);line-height:1.6;display:grid;gap:3px;min-width:0}
#feedback-form.fax-machine :is(input:not([type=checkbox]),select,textarea){width:100%;min-width:0;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);padding:5px 0;font:13px/1.6 var(--body);box-shadow:none;outline-offset:3px}
#feedback-form.fax-machine select{min-height:32px;padding-inline-end:18px}
#feedback-form.fax-machine textarea{line-height:26px;min-height:78px;resize:vertical;background-image:linear-gradient(to bottom,transparent 25px,var(--line) 26px);background-size:100% 26px;padding-top:0;border:0}
#feedback-form.fax-machine :is(input,textarea)::placeholder{color:var(--muted);opacity:.72}
#feedback-form.fax-machine .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fax-machine .machine-box{border:1px dashed var(--line);padding:0 10px;border-radius:5px;background:color-mix(in srgb,var(--paper) 40%,transparent);margin:3px 0 11px}
.fax-machine .machine-box>p{font-size:9px;line-height:1.5;color:var(--muted);margin-bottom:13px}
#feedback-form.fax-machine .consent{display:flex;gap:9px;align-items:start;font-size:10px;line-height:1.8;margin-bottom:0}
.fax-machine .consent input{flex:0 0 14px;width:14px;height:14px;margin-top:3px;accent-color:var(--plum)}
#feedback-form .honey{left:0!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);pointer-events:none}
.fax-machine .fax-controls{padding-top:11px}.fax-machine .form-submit{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0}
.fax-machine .form-submit>span{font-size:9px;color:var(--muted)}
#feedback-form.fax-machine #feedback-submit{font-size:12px;min-height:43px;padding:10px 20px;border-radius:7px;box-shadow:0 3px 0 color-mix(in srgb,var(--plum) 65%,#21151b),0 7px 18px #60243c18;transition:transform .15s,background .2s}
.fax-machine #feedback-submit:hover:not(:disabled){background:#7c354d}.fax-machine #feedback-submit:active:not(:disabled){transform:translateY(2px);box-shadow:0 1px 0 var(--plum)}.fax-machine #feedback-submit:disabled{opacity:.55;cursor:wait}
#feedback-form.fax-machine #feedback-status{font-size:11px;line-height:1.8;margin:15px 0 0;min-height:1.8em;color:var(--muted);overflow-wrap:anywhere}
#feedback-form.fax-machine #feedback-status:empty{display:none}
.fax-machine #feedback-status:is([data-state=pending],[data-state=success]){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
#feedback-form.fax-machine #feedback-status[data-state=error]{margin:0 0 16px}
.fax-machine .fax-fields:disabled :is(input,select,textarea){opacity:1;-webkit-text-fill-color:var(--ink)}
.fax-machine #feedback-status[data-state=error]{color:var(--accent)!important}
.fax-machine .receipt-card{position:absolute;inset:20px 18px auto;z-index:3;padding:19px;background:var(--paper-light);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 32px #43252e18}
.fax-machine .receipt-card[hidden]{display:none}.fax-machine .receipt-header{display:flex;align-items:start;justify-content:space-between;gap:16px;padding-bottom:11px;border-bottom:1px dashed var(--line);margin-bottom:10px}
.fax-machine .receipt-header h3{font:500 21px/1.4 var(--body);letter-spacing:normal}.fax-machine .receipt-stamp{font:9px/1.4 ui-monospace,monospace;border:1px solid var(--plum);padding:4px 6px;color:var(--plum);transform:rotate(4deg)}
.fax-machine .receipt-card>p{font:12px/1.8 var(--body);color:var(--muted);margin-bottom:16px}
.fax-machine .receipt-id{display:block;color:var(--ink);padding:13px;border:1px dashed var(--line);background:var(--paper);border-radius:4px;font:12px/1.9 ui-monospace,monospace;overflow-wrap:anywhere;user-select:all;text-align:left}
.fax-machine .receipt-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.fax-machine .receipt-actions button{min-height:42px;font:11px/1.5 var(--body);padding:10px 13px;border-radius:5px;border:1px solid var(--line);background:var(--paper);color:var(--ink)}
.fax-machine .receipt-actions button:first-child{background:var(--plum);color:var(--paper-light);border-color:var(--plum)}
.fax-machine .receipt-card .text-link{display:inline-block;font-size:11px;margin-top:16px}
.fax-machine .fax-copy-status{margin-top:12px!important;font-size:10px!important}.fax-machine .receipt-fallback[hidden]{display:none}
.fax-machine[data-state=delivered] .fax-controls .form-submit{display:none}
.fax-machine :is(button,input,select,textarea,a):focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.fax-machine.fax-fallback .paper-viewport{height:auto;overflow:visible}
.fax-machine.fax-fallback #feedback-status[data-state]{position:static;width:auto;height:auto;clip-path:none}
@keyframes fax-pulse{from{opacity:.4}to{opacity:1}}
[data-theme=dark] #feedback-form.fax-machine{box-shadow:inset 0 1px 0 #fff0dc12,inset 0 -2px 0 #100d1244,0 22px 55px #0e0a1522}
[data-theme=dark] .fax-machine .lcd-panel{background:#211b22;border-color:#130f16}
[data-theme=dark] .fax-machine #feedback-submit:hover:not(:disabled){background:#f2cbaa}
@media(max-width:1000px){.feedback-grid{grid-template-columns:minmax(190px,.6fr) minmax(0,1.4fr);gap:30px}.feedback-copy h2{font-size:43px}#feedback-form.fax-machine{padding:16px}.fax-machine .paper-body{padding-inline:14px}}
@media(max-width:760px){.feedback-grid{grid-template-columns:1fr;gap:30px}.feedback-copy{position:static}.feedback-copy .feedback-process{gap:14px}.fax-machine{margin-inline:auto}.feedback-copy h2{font-size:40px}.fax-machine .receipt-header{flex-wrap:wrap}}
@media(max-width:440px){#feedback-form.fax-machine{padding:12px;border-radius:14px}.fax-titlebar{gap:10px;margin-bottom:10px}.fax-titlebar>span{font-size:8px}.fax-machine .feed-bay{padding:9px 6px 0}.fax-machine .tractor-strip{width:12px;background-size:10px 24px;background-image:radial-gradient(circle,var(--surface) 0 2.4px,var(--line) 2.9px,transparent 3.4px)}.fax-machine .paper-body{padding:14px 11px 20px}.fax-machine .lcd-panel{padding:12px;gap:8px}.fax-lcd-left{gap:8px}.fax-lcd-status{font-size:11px}.fax-lcd-sub{font-size:8px}.fax-counter strong{font-size:10px}.fax-machine .paper-top-meta{flex-wrap:wrap;gap:4px}.fax-machine .form-row{grid-template-columns:1fr!important;gap:0!important}.fax-machine .machine-box{padding-inline:9px}.fax-machine .receipt-card{inset:16px 7px auto;padding:18px 14px}.fax-machine .receipt-header h3{font-size:20px}.fax-machine .form-submit{flex-wrap:wrap}.fax-machine #feedback-submit{width:100%;justify-content:space-between}.fax-machine .fax-sound{font-size:9px}}
@media(prefers-reduced-motion:reduce){.fax-machine .fax-led{animation:none!important}.fax-machine :is(button,.paper-sheet){transition:none!important}}

/* Keep the complete machine and its send control inside a laptop viewport. */
body[data-page=feedback] main>.feedback-section{padding-block:16px}
#feedback-form.fax-machine :is(input:not([type=checkbox]),select){min-height:32px}
#feedback-form.fax-machine .machine-box{padding:0 10px;margin:3px 0 10px;min-height:0}
.fax-machine .machine-box summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:34px;cursor:pointer;font:10px/1.6 var(--body);color:var(--muted);list-style:none}
#feedback-form .machine-box summary{padding:0;margin:0;border:0}
#feedback-form #fax-optional:not([open])>.form-row{display:none}
.fax-machine .paper-body{padding-block:8px}
.fax-machine .paper-top-meta{padding-bottom:3px}
.fax-machine .content-header{margin:5px 0 6px}
#feedback-form.fax-machine label{margin-bottom:8px}
#feedback-form.fax-machine .consent{margin-bottom:0}
.fax-machine .machine-box summary::-webkit-details-marker{display:none}
.fax-machine .machine-box summary:after{content:'+';font-size:16px;color:var(--accent)}
.fax-machine .machine-box[open] summary:after{content:'−'}
.fax-machine .machine-box[open] summary{margin-bottom:6px}
.fax-machine[data-paper-scroll] .paper-viewport{overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.fax-machine .paper-viewport{scrollbar-gutter:stable}
.fax-machine:is([data-state=feeding],[data-state=waiting]) .paper-viewport{overflow:hidden}
.fax-machine[data-state=delivered] .paper-viewport{overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.fax-machine .machine-box summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
@media(max-width:760px){body[data-page=feedback] main>.feedback-section{padding-block:24px}.feedback-copy .feedback-process{display:none}.feedback-copy .feedback-privacy{margin-top:16px}.feedback-grid{gap:24px}}