:root {
  --paper: #f8fbfe;
  --paper-bright: #ffffff;
  --paper-blue: #edf5fc;
  --blueprint: #0868e8;
  --blueprint-deep: #0753b4;
  --blueprint-soft: #dcecff;
  --ink: #132338;
  --ink-soft: #607187;
  --rule: #d9e3ed;
  --rule-soft: #eaf0f5;
  --archive: #16835f;
  --archive-soft: #e4f4ed;
  --warning: #b87817;
  --warning-soft: #fff3d9;
  --error: #c44444;
  --error-soft: #fff0f0;
  --sidebar-width: 224px;
  --radius-sheet: 10px;
  --ui-font: "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --display-font: STZhongsong, "Songti SC", "Noto Serif SC", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper-blue);
  font-family: var(--ui-font);
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, [tabindex]:focus-visible { outline: 3px solid rgba(8, 104, 232, .25); outline-offset: 2px; }
[hidden] { display: none !important; }

.topbar {
  height: 68px;
  display: flex;
  align-items: center;
  padding: 0 clamp(20px, 4vw, 64px);
  color: #fff;
  background: var(--blueprint);
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 220px; color: inherit; text-decoration: none; }
.brand-mark { position: relative; width: 36px; height: 40px; display: grid; place-items: center; }
.brand-mark::before, .brand-mark::after, .brand-mark i { content: ""; position: absolute; width: 21px; height: 28px; border: 1px solid rgba(255,255,255,.7); background: rgba(255,255,255,.13); }
.brand-mark::before { transform: translate(-5px,-4px); }
.brand-mark::after { transform: translate(5px,4px); }
.brand-mark i { background: #fff; }
.brand-mark b { position: relative; z-index: 2; color: var(--blueprint); font-size: 16px; }
.brand > span:last-child { display: flex; align-items: baseline; gap: 8px; }
.brand strong { font-family: var(--display-font); font-size: 22px; letter-spacing: .08em; }
.brand small { opacity: .75; font-size: 11px; letter-spacing: .12em; }
.topnav { display: flex; align-self: stretch; align-items: stretch; gap: 8px; }
.topnav a { position: relative; display: grid; place-items: center; padding: 0 18px; color: rgba(255,255,255,.72); text-decoration: none; font-size: 14px; }
.topnav a::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: 0; height: 3px; background: transparent; }
.topnav a:hover, .topnav a.is-active { color: #fff; }
.topnav a.is-active::after { background: #fff; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.service-state { font-size: 12px; color: rgba(255,255,255,.82); }
.service-state i { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: #70e1b5; box-shadow: 0 0 0 3px rgba(112,225,181,.16); }
.desktop-link { padding: 9px 14px; color: var(--blueprint-deep); background: #fff; text-decoration: none; font-size: 13px; font-weight: 700; border-radius: 4px; }

main { padding: 0 clamp(16px, 4vw, 64px) 64px; }
.intro { max-width: 1400px; margin: 0 auto; min-height: 210px; display: grid; grid-template-columns: 1fr 310px; align-items: center; gap: 48px; }
.eyebrow { margin: 0 0 14px; color: var(--blueprint); font-size: 11px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.intro h1 { max-width: 820px; margin: 0; font: 700 clamp(32px, 4.1vw, 58px)/1.16 var(--display-font); letter-spacing: -.035em; }
.intro h1 em { color: var(--blueprint); font-style: normal; }
.intro-note { display: grid; grid-template-columns: 50px 1fr; gap: 14px; padding-left: 22px; border-left: 1px solid #bbcee0; }
.intro-note .note-number { font: 700 32px/1 var(--display-font); color: #a6bdd2; }
.intro-note p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }

.product-shell { max-width: 1400px; min-height: 680px; margin: 0 auto; display: grid; grid-template-columns: var(--sidebar-width) 1fr; background: var(--paper-bright); border: 1px solid #d5e0eb; box-shadow: 0 10px 30px rgba(36,74,111,.08); }
.tool-sidebar { position: relative; display: flex; flex-direction: column; padding: 20px 14px 18px; border-right: 1px solid var(--rule); background: #fbfdff; }
.sidebar-heading { display: flex; align-items: center; justify-content: space-between; padding: 0 8px 14px; border-bottom: 1px solid var(--rule-soft); color: var(--ink-soft); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.sidebar-heading button { width: 26px; height: 26px; border: 0; background: transparent; color: #8596aa; font-size: 22px; cursor: pointer; }
.mode-group { padding-top: 16px; }
.mode-group h3 { margin: 0 8px 7px; color: #8291a2; font-size: 11px; font-weight: 700; }
.mode-button { width: 100%; min-height: 36px; display: flex; align-items: center; gap: 10px; padding: 7px 9px; border: 0; border-left: 2px solid transparent; color: #506176; background: transparent; text-align: left; font-size: 13px; cursor: pointer; transition: background 150ms ease, color 150ms ease; }
.mode-button::before { content: ""; width: 15px; height: 18px; flex: 0 0 auto; border: 1px solid #9aabba; background: #fff; box-shadow: inset 0 -5px 0 #f0f4f7; }
.mode-button span { margin-left: auto; padding: 2px 5px; color: var(--warning); background: var(--warning-soft); font-size: 9px; border-radius: 2px; }
.mode-button:hover:not(:disabled) { color: var(--blueprint); background: #f1f7fe; }
.mode-button.is-active { color: var(--blueprint); background: var(--blueprint-soft); border-left-color: var(--blueprint); font-weight: 700; }
.mode-button:disabled { opacity: .48; cursor: not-allowed; }
.privacy-ticket { position: relative; margin-top: 24px; padding: 17px 14px 15px 45px; border: 1px dashed #b8cadc; background: #f4f9fd; }
.privacy-ticket::before, .privacy-ticket::after { content: ""; position: absolute; top: -7px; width: 12px; height: 12px; border-radius: 50%; background: #fbfdff; border-bottom: 1px solid #b8cadc; }
.privacy-ticket::before { left: -7px; transform: rotate(-45deg); }
.privacy-ticket::after { right: -7px; transform: rotate(45deg); }
.ticket-icon { position: absolute; left: 14px; top: 17px; display: grid; place-items: center; width: 22px; height: 22px; color: var(--archive); border: 1px solid #9bcab9; border-radius: 50%; }
.privacy-ticket strong { display: block; font-size: 12px; }
.privacy-ticket p { margin: 5px 0 0; color: var(--ink-soft); font-size: 10px; line-height: 1.55; }
.privacy-ticket b { color: var(--archive); }

.workspace { min-width: 0; display: flex; flex-direction: column; }
.workspace-head { min-height: 104px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 30px; border-bottom: 1px solid var(--rule-soft); }
.breadcrumb { margin-bottom: 8px; color: #90a0b1; font-size: 10px; }
.breadcrumb b { margin: 0 8px; font-weight: 400; }
.breadcrumb strong { color: var(--blueprint); }
.workspace-head h2 { display: inline; margin: 0; font: 700 24px/1.2 var(--display-font); }
.workspace-head p { display: inline; margin: 0 0 0 14px; color: var(--ink-soft); font-size: 12px; }
.engine-badge { min-width: 155px; padding: 9px 35px 9px 12px; position: relative; border: 1px solid var(--rule); background: #fbfdff; }
.engine-badge span { display: block; color: #95a3b2; font-size: 9px; }
.engine-badge strong { display: block; margin-top: 2px; font-size: 12px; }
.engine-badge i { position: absolute; top: 50%; right: 14px; width: 8px; height: 8px; transform: translateY(-50%); border-radius: 50%; background: var(--archive); box-shadow: 0 0 0 4px var(--archive-soft); }
.engine-badge i.is-offline { background: var(--warning); box-shadow: 0 0 0 4px var(--warning-soft); }

.conversion-lane { display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; padding: 16px 30px; background: #fbfdff; border-bottom: 1px solid var(--rule-soft); }
.lane-step { display: flex; align-items: center; gap: 9px; color: #8291a2; }
.lane-step > span { width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid #c8d4df; background: #fff; font-size: 10px; font-weight: 800; }
.lane-step p { margin: 0; }
.lane-step b, .lane-step small { display: block; white-space: nowrap; }
.lane-step b { color: #4b5e73; font-size: 11px; }
.lane-step small { margin-top: 2px; font-size: 9px; }
.lane-step.is-current > span, .lane-step.is-done > span { color: #fff; border-color: var(--blueprint); background: var(--blueprint); }
.lane-step.is-current b { color: var(--blueprint); }
.lane-step.is-done > span { background: var(--archive); border-color: var(--archive); }
.lane-rail { height: 1px; margin: 0 16px; position: relative; overflow: hidden; background: #cbd8e4; }
.lane-rail b { display: block; width: 0; height: 100%; background: var(--blueprint); transition: width 300ms ease; }
.toolbar { height: 50px; padding: 0 30px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--rule-soft); }
.tool-action { height: 32px; padding: 0 10px; border: 0; color: var(--blueprint); background: transparent; font-size: 12px; cursor: pointer; }
.tool-action span { display: inline-grid; place-items: center; width: 17px; height: 17px; margin-right: 5px; border: 1px solid currentColor; }
.tool-action:hover:not(:disabled) { background: var(--blueprint-soft); }
.tool-action.quiet { color: #7b8b9c; }
.tool-action:disabled { color: #b8c2cc; cursor: not-allowed; }
.toolbar-spacer { flex: 1; }
.limit-hint { color: #8c9baa; font-size: 10px; }

.operation-options { margin: 16px 30px 0; display: grid; grid-template-columns: 150px 1fr; gap: 22px; padding: 16px 18px; border: 1px solid #d8e5f1; border-left: 3px solid var(--blueprint); background: #f7faff; }
.option-heading { display: flex; align-items: flex-start; gap: 10px; }
.option-index { width: 34px; height: 24px; display: grid; place-items: center; color: var(--blueprint); background: var(--blueprint-soft); font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.option-heading strong, .option-heading small { display: block; }
.option-heading strong { font-size: 12px; }
.option-heading small { width: 100px; margin-top: 4px; color: #8494a5; font-size: 9px; line-height: 1.5; }
.option-fields { min-width: 0; display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)); gap: 12px; }
.option-field { min-width: 0; }
.option-field label { display: flex; justify-content: space-between; margin-bottom: 6px; color: #5f7184; font-size: 10px; }
.option-field label b { color: var(--error); font-weight: 500; }
.option-control { position: relative; }
.option-control input, .option-control select { width: 100%; height: 34px; padding: 0 10px; border: 1px solid #cbd9e6; border-radius: 0; color: var(--ink); background: #fff; font-size: 11px; outline: none; }
.option-control input:focus, .option-control select:focus { border-color: var(--blueprint); box-shadow: 0 0 0 2px rgba(8,104,232,.1); }
.option-control input[type="password"] { letter-spacing: .12em; }
.option-control .option-suffix { position: absolute; top: 50%; right: 9px; color: #8d9baa; font-size: 9px; transform: translateY(-50%); pointer-events: none; }
.option-help { display: block; margin-top: 5px; color: #8a99a8; font-size: 9px; line-height: 1.4; }
.operation-options.has-secret { border-left-color: var(--archive); background: #f6fbf9; }
.operation-options.has-secret .option-index { color: var(--archive); background: var(--archive-soft); }

.drop-zone { min-height: 330px; margin: 28px 30px 22px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px dashed #91b9e6; background: #fcfeff; cursor: pointer; transition: border-color 150ms ease, background 150ms ease; }
.drop-zone:hover, .drop-zone.is-dragging { border-color: var(--blueprint); background: #f3f8fe; }
.document-gate { position: relative; width: 94px; height: 82px; margin-bottom: 20px; }
.paper { position: absolute; display: block; width: 44px; height: 58px; border: 1px solid #a9bdd1; background: #fff; }
.paper-back { left: 13px; top: 2px; background: #eff5fa; }
.paper-front { left: 23px; top: 10px; padding-top: 20px; }
.paper-front i { display: block; width: 24px; height: 1px; margin: 0 auto 7px; background: #c4d3e1; }
.document-gate b { position: absolute; right: 1px; bottom: 0; width: 36px; height: 40px; display: grid; place-items: center; color: var(--blueprint); border: 1px solid #a9c6e4; background: #fff; font-size: 22px; font-weight: 300; }
.drop-zone h3 { margin: 0; font: 700 17px/1.4 var(--display-font); }
.drop-zone > p { margin: 8px 0 13px; color: var(--ink-soft); font-size: 12px; }
.drop-meta { display: flex; align-items: center; gap: 10px; color: #91a0af; font-size: 10px; }
.drop-meta i { width: 2px; height: 2px; border-radius: 50%; background: #a6b3c0; }

.task-panel { margin: 0 30px 22px; border: 1px solid var(--rule); }
.task-summary { min-height: 52px; display: flex; align-items: center; gap: 14px; padding: 0 15px; background: #fbfdff; border-bottom: 1px solid var(--rule); }
.task-summary > div:first-child { display: flex; align-items: baseline; gap: 5px; }
.task-summary > div:first-child strong { font: 700 21px/1 var(--display-font); color: var(--blueprint); }
.task-summary > div:first-child span, #totalSize { color: var(--ink-soft); font-size: 11px; }
.job-countdown { margin-left: auto; display: flex; align-items: center; color: var(--archive); font-size: 10px; }
.job-countdown i { width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--archive); }
.download-all { margin-left: 6px; padding: 7px 11px; color: #fff; background: var(--archive); text-decoration: none; font-size: 11px; }
.table-wrap { max-height: 340px; overflow: auto; }
table { width: 100%; border-collapse: collapse; table-layout: fixed; }
th { height: 34px; padding: 0 12px; color: #8b99a8; background: #f5f8fb; text-align: left; font-size: 10px; font-weight: 500; }
th:first-child { width: 54px; text-align: center; }
th:nth-child(2) { width: 36%; }
th:nth-child(3) { width: 24%; }
th:nth-child(4) { width: 23%; }
th:last-child { width: 70px; text-align: center; }
td { height: 54px; padding: 7px 12px; border-top: 1px solid var(--rule-soft); font-size: 11px; vertical-align: middle; }
td:first-child { color: #94a2b0; text-align: center; }
td:last-child { text-align: center; }
.file-cell { min-width: 0; display: flex; align-items: center; gap: 10px; }
.file-type { flex: 0 0 auto; width: 25px; height: 30px; display: grid; place-items: end center; padding-bottom: 4px; color: #fff; background: #d85555; font-size: 7px; font-weight: 800; }
.file-type.ofd { background: var(--blueprint); }
.file-type.doc, .file-type.docx { background: #3569b7; }
.file-type.jpg, .file-type.jpeg, .file-type.png, .file-type.bmp, .file-type.tif, .file-type.tiff { background: var(--archive); }
.file-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.result-cell { color: var(--ink-soft); }
.result-cell a { display: block; max-width: 100%; overflow: hidden; color: var(--blueprint); text-decoration: none; text-overflow: ellipsis; white-space: nowrap; }
.result-cell a + a { margin-top: 3px; }
.result-cell small { display: block; margin-top: 3px; color: var(--archive); font-size: 11px; font-weight: 700; }
.status-wrap { display: flex; align-items: center; gap: 9px; }
.status-text { width: 48px; color: var(--ink-soft); font-size: 10px; }
.status-text.succeeded { color: var(--archive); }
.status-text.failed { color: var(--error); }
.progress-track { flex: 1; max-width: 130px; height: 5px; background: #e7edf3; }
.progress-track i { display: block; height: 100%; background: var(--blueprint); transition: width 200ms ease; }
.status-wrap.failed .progress-track i { background: var(--error); }
.status-wrap.succeeded .progress-track i { background: var(--archive); }
.row-action { width: 26px; height: 26px; padding: 0; border: 0; color: #75869a; background: transparent; cursor: pointer; }
.row-action:hover { color: var(--error); background: var(--error-soft); }
.row-action:disabled { color: #c2cbd4; cursor: not-allowed; }
.error-banner { margin: -8px 30px 18px; min-height: 42px; display: flex; align-items: center; gap: 9px; padding: 8px 12px; color: var(--error); background: var(--error-soft); border: 1px solid #f1c6c6; font-size: 11px; }
.error-banner > b { width: 20px; height: 20px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; }
.error-banner > span { flex: 1; }
.error-banner button { border: 0; color: inherit; background: transparent; cursor: pointer; }
.action-dock { margin-top: auto; min-height: 72px; display: flex; align-items: center; padding: 10px 30px; border-top: 1px solid var(--rule); background: #fbfdff; }
.dock-copy { display: flex; align-items: center; gap: 10px; }
.shield { width: 28px; height: 31px; display: grid; place-items: center; color: var(--archive); border: 1px solid #90c6b2; border-radius: 50% 50% 55% 55%; }
.dock-copy p { margin: 0; }
.dock-copy strong, .dock-copy small { display: block; }
.dock-copy strong { font-size: 11px; }
.dock-copy small { margin-top: 3px; color: #8796a6; font-size: 9px; }
.primary-action { width: 192px; height: 46px; margin-left: auto; display: flex; align-items: center; justify-content: space-between; padding: 0 17px; border: 0; color: #fff; background: var(--blueprint); cursor: pointer; transition: background 150ms ease, transform 150ms ease; }
.primary-action:hover:not(:disabled) { background: var(--blueprint-deep); transform: translateY(-1px); }
.primary-action:disabled { background: #aebdcb; cursor: not-allowed; }
.primary-action .play { width: 20px; height: 20px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.7); font-size: 8px; }
.primary-action b { font-size: 14px; }
.primary-action i { font-size: 18px; font-style: normal; }

.trust-strip { max-width: 1400px; margin: 84px auto 0; display: grid; grid-template-columns: 1.05fr repeat(3, 1fr); border-top: 1px solid #b9ccdd; border-bottom: 1px solid #b9ccdd; }
.trust-strip > * { min-height: 210px; padding: 30px; border-right: 1px solid #b9ccdd; }
.trust-strip > *:last-child { border-right: 0; }
.strip-lead span { color: var(--blueprint); font-size: 10px; font-weight: 800; letter-spacing: .2em; }
.strip-lead strong { display: block; margin-top: 30px; font: 700 30px/1.35 var(--display-font); }
.trust-strip article > span { display: block; color: #8aa1b8; font: 700 24px/1 var(--display-font); }
.trust-strip h3 { margin: 34px 0 12px; font: 700 17px/1.2 var(--display-font); }
.trust-strip p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.8; }
.desktop-callout { max-width: 1400px; margin: 82px auto 0; display: grid; grid-template-columns: 1.3fr .7fr; gap: 90px; align-items: center; padding: 64px; color: #fff; background: var(--ink); }
.desktop-copy h2 { margin: 0; font: 700 clamp(30px, 4vw, 52px)/1.2 var(--display-font); }
.desktop-copy > p:not(.eyebrow) { max-width: 650px; margin: 20px 0 28px; color: #aebccc; font-size: 14px; line-height: 1.9; }
.desktop-copy button { padding: 13px 16px; border: 1px solid #607188; color: #d8e1e9; background: transparent; }
.desktop-copy button span { margin-left: 16px; color: #7f90a3; font-size: 10px; }
.local-receipt { position: relative; padding: 24px; color: var(--ink); background: #f3f0e6; transform: rotate(1deg); box-shadow: 8px 9px 0 rgba(0,0,0,.18); }
.local-receipt::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 12px; background: linear-gradient(135deg, #f3f0e6 6px, transparent 0) 0 0/12px 12px repeat-x; }
.receipt-head { display: flex; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px dashed #93a0a8; font: 700 10px/1 monospace; }
.local-receipt ul { list-style: none; margin: 16px 0; padding: 0; }
.local-receipt li { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px dotted #b3bbb9; font-size: 11px; }
.local-receipt li span { color: #637178; }
.receipt-total { display: flex; justify-content: space-between; align-items: baseline; padding-top: 8px; }
.receipt-total span { font-size: 11px; }
.receipt-total strong { color: var(--archive); font: 700 24px/1 var(--display-font); }
footer { max-width: 1400px; margin: 0 auto; padding: 28px 0; display: flex; align-items: center; color: #718399; font-size: 10px; }
footer span { color: var(--ink); font: 700 15px/1 var(--display-font); }
footer p { margin: 0 0 0 24px; letter-spacing: .16em; }
footer small { margin-left: auto; }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 50; max-width: min(90vw, 520px); padding: 11px 16px; color: #fff; background: var(--ink); font-size: 12px; opacity: 0; pointer-events: none; transform: translate(-50%, 14px); transition: opacity 180ms ease, transform 180ms ease; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 980px) {
  .topnav, .service-state { display: none; }
  .intro { grid-template-columns: 1fr; min-height: 190px; }
  .intro-note { display: none; }
  .product-shell { grid-template-columns: 180px 1fr; --sidebar-width: 180px; }
  .workspace-head p { display: block; margin: 7px 0 0; }
  .conversion-lane { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .lane-rail { display: none; }
  .lane-step small { display: none; }
  .trust-strip { grid-template-columns: 1fr 1fr; }
  .trust-strip > *:nth-child(2) { border-right: 0; }
  .trust-strip > *:nth-child(-n+2) { border-bottom: 1px solid #b9ccdd; }
  .desktop-callout { gap: 50px; padding: 45px; }
  .operation-options { grid-template-columns: 1fr; gap: 12px; }
  .option-heading small { width: auto; }
  .option-fields { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
}

@media (max-width: 720px) {
  .topbar { height: 58px; padding: 0 16px; }
  .brand { min-width: 0; }
  .brand small, .desktop-link { display: none; }
  main { padding: 0 10px 36px; }
  .intro { min-height: 160px; }
  .intro h1 { font-size: 31px; }
  .product-shell { display: block; }
  .tool-sidebar { position: static; padding: 10px; border-right: 0; border-bottom: 1px solid var(--rule); }
  .sidebar-heading, .privacy-ticket { display: none; }
  .mode-groups { display: flex; overflow-x: auto; gap: 6px; scrollbar-width: none; }
  .mode-group { display: contents; }
  .mode-group h3 { display: none; }
  .mode-button { width: auto; min-width: max-content; border-left: 0; border-bottom: 2px solid transparent; }
  .mode-button::before { display: none; }
  .mode-button.is-active { border-bottom-color: var(--blueprint); }
  .workspace-head { min-height: 92px; padding: 18px; }
  .workspace-head p, .engine-badge { display: none; }
  .conversion-lane { padding: 12px 18px; }
  .lane-step p { display: none; }
  .lane-step { justify-content: center; }
  .toolbar { padding: 0 12px; }
  .limit-hint { display: none; }
  .drop-zone { min-height: 285px; margin: 18px 12px; padding: 20px; text-align: center; }
  .operation-options { margin: 12px 12px 0; padding: 13px; }
  .option-fields { grid-template-columns: 1fr; }
  .task-panel { margin: 0 12px 18px; }
  th:nth-child(3), td:nth-child(3) { display: none; }
  th:nth-child(2) { width: auto; }
  th:nth-child(4) { width: 34%; }
  .action-dock { padding: 10px 12px; }
  .dock-copy { display: none; }
  .primary-action { width: 100%; margin: 0; }
  .trust-strip { margin-top: 50px; grid-template-columns: 1fr; }
  .trust-strip > * { min-height: 150px; border-right: 0; border-bottom: 1px solid #b9ccdd; }
  .trust-strip > *:last-child { border-bottom: 0; }
  .desktop-callout { margin-top: 50px; grid-template-columns: 1fr; gap: 40px; padding: 30px 24px; }
  footer { padding: 24px 8px; }
  footer p, footer small { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}