:root {
  --blue: #0b57d0;
  --blue-hover: #0842a0;
  --blue-soft: #eaf2ff;
  --green: #0f8a65;
  --green-soft: #eaf7f2;
  --coral: #d9304f;
  --ink: #111318;
  --muted: #667085;
  --line: #dfe3e8;
  --soft-line: #edf0f3;
  --wash: #f7f9fc;
  --white: #fff;
  --shadow: 0 12px 40px rgba(21, 45, 82, .08);
  --radius: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}

button, input, textarea, select { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }

.app-shell { min-height: 100dvh; display: flex; flex-direction: column; }

.topbar {
  height: 68px;
  padding: 0 max(24px, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.96);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
}

.brand { color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { width: 34px; height: 34px; border: 1.5px solid var(--blue); border-radius: 7px; display: grid; place-items: center; color: var(--blue); font-weight: 700; }
.brand strong { display: block; font-size: 17px; line-height: 1.1; }
.brand small { display: block; color: var(--muted); font-size: 9px; margin-top: 3px; }
.lanji-wordmark { display: inline-flex; align-items: center; gap: 8px; line-height: 1; }
.lanji-wordmark b,
.lanji-wordmark em {
  color: var(--blue);
  font-family: inherit;
  font-style: normal;
  font-weight: 650;
}
.lanji-wordmark i { width: 1px; background: #b7c2d0; }
.lanji-wordmark--compact b,
.lanji-wordmark--compact em { font-size: 14px; }
.lanji-wordmark--compact i { height: 14px; }

.icon-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  color: #475467;
}

.icon-button:hover { border-color: #b8c1cc; background: var(--wash); }
.icon-button svg, button svg, .privacy-line svg, h3 svg, .boundary-note svg { width: 18px; height: 18px; stroke-width: 1.8; }

main { width: min(100%, 960px); margin: 0 auto; flex: 1; padding: 0 24px; }

.intro { padding: 52px 0 48px; text-align: center; }
.eyebrow { color: var(--blue); font-weight: 600; font-size: 12px; display: inline-flex; align-items: center; gap: 8px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px var(--green-soft); }
.intro h1 { margin: 20px auto 16px; max-width: 760px; font-weight: 700; }
.hero-product { display: flex; align-items: center; justify-content: center; gap: 12px; line-height: 1.25; margin-bottom: 12px; }
.hero-product::before, .hero-product::after { content: ""; width: 42px; height: 1px; background: #c2d2e8; }
.lanji-wordmark--hero { gap: 9px; }
.lanji-wordmark--hero b,
.lanji-wordmark--hero em { font-size: clamp(21px, 2.2vw, 26px); }
.lanji-wordmark--hero i { height: 20px; }
.hero-statement { display: block; color: var(--ink); font-size: clamp(32px, 4.5vw, 50px); line-height: 1.14; font-weight: 650; }
.intro > p { font-size: 15px; line-height: 1.7; color: var(--muted); max-width: 640px; margin: 0 auto; }

.value-strip {
  margin: 34px auto 28px;
  max-width: 700px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 22px;
  background: var(--wash);
}
.value-strip div { display: flex; align-items: center; justify-content: center; gap: 8px; color: #344054; font-size: 14px; font-weight: 500; }
.value-strip svg { width: 18px; color: var(--blue); }
.flow-arrow { color: #98a2b3; }

.primary-button, .secondary-button, .text-button {
  min-height: 46px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 600;
  padding: 0 20px;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.primary-button { color: var(--white); background: var(--blue); border: 1px solid var(--blue); box-shadow: 0 4px 14px rgba(11,87,208,.18); }
.primary-button:hover { background: var(--blue-hover); border-color: var(--blue-hover); }
.primary-button:active, .secondary-button:active { transform: translateY(1px); }
.primary-button.large { min-height: 52px; padding: 0 28px; }
.secondary-button { color: #344054; background: var(--white); border: 1px solid #cfd5dd; }
.secondary-button:hover { background: var(--wash); border-color: #aeb7c2; }
.text-button { border: 0; background: transparent; color: var(--blue); box-shadow: none; }
.privacy-line { margin-top: 22px; color: var(--muted); font-size: 13px; display: flex; align-items: center; justify-content: center; gap: 7px; }
.privacy-line svg { color: var(--green); }

.analysis-transition,
.completion-view {
  min-height: calc(100dvh - 142px);
  padding: 64px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.analysis-orbit {
  width: 88px;
  height: 88px;
  margin-bottom: 24px;
  display: grid;
  place-items: center;
  position: relative;
}
.analysis-orbit-ring {
  position: absolute;
  inset: 0;
  border: 1.5px solid #b9cff1;
  border-right-color: transparent;
  border-radius: 50%;
  animation: analysisSpin 1.2s linear infinite;
}
.analysis-orbit::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid #dce7f7;
  border-left-color: transparent;
  border-radius: 50%;
  animation: analysisSpin 1.8s linear infinite reverse;
}
.analysis-orbit strong {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  font-size: 13px;
  position: relative;
  z-index: 1;
}
.analysis-transition h2,
.completion-view h2 { margin: 16px 0 8px; font-size: clamp(26px, 4vw, 34px); font-weight: 650; }
.analysis-transition > p,
.completion-view > p { max-width: 620px; margin: 0; color: var(--muted); line-height: 1.75; }
.analysis-transition > small { margin-top: 16px; color: #7b8798; font-size: 12px; }
.analysis-track { width: min(320px, 78vw); height: 3px; margin-top: 28px; background: var(--soft-line); overflow: hidden; }
.analysis-track span { display: block; width: 34%; height: 100%; background: var(--blue); animation: analysisTrack 1.15s ease-in-out infinite; }
@keyframes analysisSpin { to { transform: rotate(360deg); } }
@keyframes analysisTrack { from { transform: translateX(-105%); } to { transform: translateX(300%); } }

.form-workspace { padding: 28px 0 48px; }
.progress-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 12px; }
.progress-head div { display: flex; flex-direction: column; gap: 4px; }
.progress-head span { color: var(--muted); font-size: 12px; }
.progress-head strong { font-size: 18px; }
.progress-track { height: 3px; background: var(--soft-line); overflow: hidden; margin-bottom: 16px; }
.progress-track span { display: block; height: 100%; width: 25%; background: var(--blue); transition: width .28s ease; }

.ai-context {
  min-height: 72px;
  margin-bottom: 18px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 12px;
  border: 1px solid #c8d9f2;
  border-radius: var(--radius);
  background: #f8fbff;
}
.ai-context-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 0 0 6px rgba(11,87,208,.07);
}
.ai-context strong, .ai-context small { display: block; }
.ai-context strong { font-size: 14px; }
.ai-context small { margin-top: 4px; color: var(--muted); line-height: 1.5; }
.ai-live { display: inline-flex; align-items: center; gap: 7px; color: var(--blue); font-size: 12px; white-space: nowrap; }
.ai-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); animation: aiPulse 1.8s ease-in-out infinite; }
@keyframes aiPulse { 0%, 100% { opacity: .35; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.15); } }

#seed-form { border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--white); border-radius: var(--radius); overflow: hidden; }
.form-step { border: 0; margin: 0; padding: 30px 34px; display: none; min-inline-size: 0; }
.form-step.is-active { display: block; animation: stepIn .26s ease both; }
@keyframes stepIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.form-step legend { font-size: 22px; font-weight: 650; padding: 0; width: 100%; }
.step-copy { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 8px 0 26px; }

.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field > span, .choice-label { font-size: 13px; color: #344054; font-weight: 600; }
.field em, .choice-label em { color: var(--coral); font-style: normal; margin-left: 3px; }
.field b { color: var(--muted); font-size: 12px; font-weight: 400; margin-left: 5px; }
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid #cfd5dd;
  border-radius: 6px;
  min-height: 50px;
  padding: 12px 14px;
  color: var(--ink);
  background: var(--white);
  outline: none;
  resize: vertical;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field textarea { min-height: 88px; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,87,208,.1); }
.field input.is-invalid, .field textarea.is-invalid, .field select.is-invalid { border-color: var(--coral); box-shadow: 0 0 0 3px rgba(217,48,79,.08); }
.field small { color: var(--muted); line-height: 1.5; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compact-grid { align-items: start; }

.panel-kicker { display: flex; align-items: center; gap: 8px; color: var(--blue); font-size: 12px; font-weight: 650; }
.panel-kicker svg { width: 17px; height: 17px; }
.ai-response-panel { margin-bottom: 22px; padding: 18px; border: 1px solid #b9cff1; border-radius: var(--radius); background: #f8fbff; }
.ai-response-panel > p { margin: 11px 0 13px; color: #243247; font-size: 15px; line-height: 1.7; }
.understanding-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.understanding-tags span { padding: 6px 9px; border: 1px solid #cad9ef; border-radius: 999px; color: #38506f; background: var(--white); font-size: 12px; }
.research-scope { margin-top: 14px; padding-top: 13px; border-top: 1px solid #dce7f7; display: flex; align-items: flex-start; gap: 9px; color: #586a82; font-size: 12px; line-height: 1.55; }
.research-scope svg { width: 17px; height: 17px; flex: 0 0 auto; color: var(--blue); }
.readiness-strip { margin-top: 2px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--wash); }
.readiness-strip > div:first-child { display: flex; align-items: center; justify-content: space-between; color: #475467; font-size: 12px; }
.readiness-strip strong { color: var(--blue); font-size: 13px; }
.readiness-track { height: 4px; margin: 10px 0; overflow: hidden; background: var(--soft-line); }
.readiness-track span { display: block; width: 25%; height: 100%; background: var(--blue); transition: width .24s ease; }
.readiness-strip p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }

.choice-block { margin: 0 0 22px; }
.choice-label { display: block; margin-bottom: 11px; }
.segmented { display: grid; gap: 8px; }
.segmented.three { grid-template-columns: repeat(3, 1fr); }
.segmented label, .option-grid label, .signal-options label, .impact-options label, .check-grid label, .bundle-list label, .bundle-compact label { position: relative; cursor: pointer; }
.segmented input, .option-grid input, .signal-options input, .impact-options input, .check-grid input, .bundle-list input, .bundle-compact input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span {
  min-height: 48px;
  padding: 10px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px solid #cfd5dd;
  border-radius: 6px;
  color: #475467;
}
.segmented input:checked + span { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); font-weight: 600; }

.option-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.option-grid span {
  min-height: 48px;
  padding: 9px 10px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px solid #cfd5dd;
  border-radius: 6px;
  color: #475467;
  font-size: 13px;
  line-height: 1.35;
  transition: border-color .18s ease, background .18s ease, color .18s ease;
}
.option-grid input:focus-visible + span { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,87,208,.1); }
.option-grid input:checked + span { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); font-weight: 600; }
.option-grid input.is-invalid + span { border-color: var(--coral); }

.adaptive-question { margin-bottom: 14px; padding: 18px; border: 1px solid #b9cff1; border-radius: var(--radius); background: #f8fbff; }
.adaptive-question h3 { margin: 11px 0 14px; font-size: 17px; line-height: 1.5; }
.signal-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.signal-options span { min-height: 48px; padding: 10px 12px; display: grid; place-items: center; border: 1px solid #cfd5dd; border-radius: 6px; color: #475467; background: var(--white); text-align: center; font-size: 13px; line-height: 1.4; transition: border-color .18s ease, color .18s ease, background .18s ease; }
.signal-options input:focus-visible + span { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,87,208,.1); }
.signal-options input:checked + span { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); font-weight: 600; }
.signal-options input.is-invalid + span { border-color: var(--coral); }

.impact-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.impact-options span { min-height: 54px; padding: 10px 12px; display: grid; place-items: center; border: 1px solid #cfd5dd; border-radius: 6px; color: #475467; background: var(--white); text-align: center; font-size: 13px; line-height: 1.45; transition: border-color .18s ease, color .18s ease, background .18s ease; }
.impact-options input:focus-visible + span { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11,87,208,.1); }
.impact-options input:checked + span { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); font-weight: 600; }
.impact-options input.is-invalid + span { border-color: var(--coral); }
.impact-feedback { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }

.hypothesis-card { margin-bottom: 22px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); }
.hypothesis-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.hypothesis-head h3 { margin: 7px 0 0; font-size: 17px; }
.hypothesis-badge { display: inline-flex; color: var(--blue); font-size: 11px; font-weight: 650; text-transform: uppercase; }
.confidence-chip { padding: 6px 9px; border-radius: 999px; color: #56657a; background: var(--wash); font-size: 11px; white-space: nowrap; }
.hypothesis-card > p { margin: 16px 0; color: #243247; font-size: 15px; line-height: 1.7; }
.hypothesis-card dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hypothesis-card dl div { padding: 12px; background: var(--wash); border-radius: 6px; }
.hypothesis-card dt { color: var(--muted); font-size: 11px; }
.hypothesis-card dd { margin: 5px 0 0; color: #344054; font-size: 12px; line-height: 1.55; }

.evidence-panel { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.evidence-panel > .panel-kicker { margin-bottom: 16px; }
.evidence-grid { align-items: start; }
.bundle-compact-block { margin: 0; }
.bundle-compact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.bundle-compact span { min-height: 50px; padding: 8px; display: flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid #cfd5dd; border-radius: 6px; color: #475467; background: var(--white); font-size: 12px; text-align: center; }
.bundle-compact b { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 4px; color: var(--blue); background: var(--blue-soft); font-size: 11px; }
.bundle-compact input:checked + span { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.owner-details { margin-top: 4px; border-top: 1px solid var(--soft-line); }
.owner-details summary { padding: 14px 0 10px; color: #475467; font-size: 13px; cursor: pointer; }
.owner-details .check-grid { margin-top: 6px; }
.capability-live { margin-top: 16px; padding: 15px; border: 1px solid #bfe3d6; border-radius: 6px; color: #175c49; background: var(--green-soft); }
.capability-live > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.capability-live small { font-size: 11px; }
.capability-live strong { font-size: 14px; }
.capability-live p { margin: 5px 0 0; font-size: 12px; line-height: 1.55; }
.capability-live p b { margin-right: 5px; }

.check-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.check-grid span { min-height: 70px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 8px; border: 1px solid #cfd5dd; border-radius: 6px; color: #475467; font-size: 13px; }
.check-grid input:checked + span { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }

.bundle-list { display: grid; gap: 10px; }
.bundle-list label > span { min-height: 76px; display: grid; grid-template-columns: 38px 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: center; border: 1px solid #cfd5dd; border-radius: 6px; padding: 14px; }
.bundle-list b { grid-row: 1 / 3; width: 38px; height: 38px; border-radius: 6px; background: var(--wash); display: grid; place-items: center; color: var(--blue); }
.bundle-list strong { font-size: 14px; }
.bundle-list small { color: var(--muted); margin-top: 3px; }
.bundle-list input:checked + span { border-color: var(--blue); background: var(--blue-soft); }

.consent-box { border: 1px solid var(--line); border-radius: 6px; padding: 4px 16px; background: var(--wash); }
.consent-box label { display: grid; grid-template-columns: 20px 1fr; gap: 10px; padding: 14px 0; line-height: 1.65; font-size: 13px; color: #475467; }
.consent-box label + label { border-top: 1px solid var(--line); }
.consent-box input { width: 18px; height: 18px; accent-color: var(--blue); margin-top: 2px; }
.boundary-note { margin-top: 18px; padding: 15px; border: 1px solid #bfe3d6; background: var(--green-soft); border-radius: 6px; display: flex; gap: 12px; color: #175c49; }
.boundary-note p { margin: 4px 0 0; font-size: 13px; line-height: 1.55; }

.form-actions { padding: 18px 34px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; background: var(--wash); }
.form-actions [data-action="next"] { margin-left: auto; }
.honeypot { display: none; }

.result-view { padding: 40px 0 56px; text-align: center; }
.result-orbit { width: 92px; height: 92px; border: 1px solid #bed1ee; border-radius: 50%; margin: 0 auto 24px; display: grid; place-items: center; background: repeating-radial-gradient(circle, #fff 0 17px, #eaf1fb 18px 19px); position: relative; }
.result-orbit::before { content: ""; width: 1px; height: 82px; background: #d6e1f1; position: absolute; }
.result-orbit::after { content: ""; width: 82px; height: 1px; background: #d6e1f1; position: absolute; }
.result-orbit span { width: 42px; height: 42px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; font-weight: 700; position: relative; z-index: 1; }
.result-view h2 { font-size: clamp(26px, 4vw, 36px); margin: 16px 0 10px; font-weight: 650; }
.result-view > p { color: var(--muted); line-height: 1.7; max-width: 640px; margin: 0 auto; }
.qualification-card { margin: 30px auto 18px; border: 1px solid #a9c7f7; background: #f7faff; border-radius: var(--radius); min-height: 92px; padding: 20px; display: flex; align-items: center; justify-content: space-between; text-align: left; }
.qualification-card small { display: block; color: var(--muted); margin-bottom: 6px; }
.qualification-card strong { color: var(--blue); font-size: 18px; }
.qualification-chip { font-size: 13px; color: var(--green); background: var(--green-soft); border: 1px solid #bfe3d6; border-radius: 999px; padding: 7px 11px; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; text-align: left; }
.result-grid article { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.result-grid .full { grid-column: 1 / -1; }
.result-grid h3 { margin: 0 0 13px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.result-grid h3 svg { color: var(--blue); }
.result-grid ul { margin: 0; padding-left: 19px; color: #475467; font-size: 13px; line-height: 1.85; }
.result-actions { margin-top: 24px; display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.result-footnote { margin-top: 18px !important; font-size: 12px; }
.submit-status { margin: 18px 0 0; padding: 13px; border-radius: 6px; border: 1px solid #bfe3d6; color: #175c49; background: var(--green-soft); font-size: 14px; }
.submit-status.is-error { border-color: #f0b8c2; background: #fff6f7; color: #9f1833; }

.decision-preview { margin-bottom: 22px; padding: 20px; border: 1px solid #a9c7f7; border-radius: var(--radius); background: #f9fbff; }
.preview-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.preview-header h3 { margin: 7px 0 0; font-size: 20px; line-height: 1.4; }
.text-button.compact { min-height: 36px; padding: 0 8px; font-size: 12px; white-space: nowrap; }
.preview-problem { margin: 16px 0; padding: 14px 16px; border-left: 3px solid var(--blue); color: #344054; background: var(--white); font-size: 14px; line-height: 1.7; text-align: left; }
.preview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.preview-grid article { min-height: 112px; padding: 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--white); }
.preview-grid small { display: block; margin-bottom: 7px; color: var(--muted); font-size: 11px; }
.preview-grid strong { display: block; color: #243247; font-size: 13px; line-height: 1.6; }
.preview-grid article span { display: inline-block; margin-top: 8px; color: var(--blue); font-size: 11px; }
.preview-qualification { margin: 14px 0; background: var(--white); }
.preview-lists { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; text-align: left; }
.preview-lists > div { padding: 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--white); }
.preview-lists h4 { margin: 0 0 9px; display: flex; align-items: center; gap: 7px; font-size: 13px; }
.preview-lists h4 svg { width: 16px; height: 16px; color: var(--blue); }
.preview-lists ul { margin: 0; padding-left: 18px; color: #475467; font-size: 12px; line-height: 1.7; }
.decision-preview .boundary-note { margin-top: 14px; text-align: left; }
.contact-panel { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); }
.contact-panel > p { margin: 9px 0 18px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.privacy-inline { margin-top: 14px; display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.privacy-inline svg { width: 17px; height: 17px; color: var(--green); flex: 0 0 auto; }

.completion-mark {
  width: 82px;
  height: 82px;
  margin-bottom: 24px;
  display: grid;
  place-items: center;
  border: 1px solid #a9c7f7;
  border-radius: 50%;
  color: var(--blue);
  background: #f7faff;
  animation: completionIn .48s ease both;
}
.completion-mark svg { width: 34px; height: 34px; stroke-width: 2; }
.completion-lead { color: var(--ink) !important; font-size: 20px; font-weight: 600; }
.completion-view > p + p { margin-top: 10px; }
.completion-note { max-width: 600px; margin: 28px auto 24px; padding: 14px 16px; display: flex; align-items: flex-start; gap: 10px; border: 1px solid #bfe3d6; border-radius: 6px; color: #175c49; background: var(--green-soft); text-align: left; font-size: 13px; line-height: 1.6; }
.completion-note svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 1px; }
@keyframes completionIn { from { opacity: 0; transform: scale(.78); } to { opacity: 1; transform: scale(1); } }

footer { border-top: 1px solid var(--line); padding: 24px max(24px, env(safe-area-inset-left)) calc(24px + env(safe-area-inset-bottom)); color: var(--muted); font-size: 12px; text-align: center; }

dialog { width: min(520px, calc(100% - 32px)); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: 0 24px 80px rgba(16,24,40,.18); }
dialog::backdrop { background: rgba(17,19,24,.28); backdrop-filter: blur(3px); }
.dialog-close { position: absolute; right: 16px; top: 16px; }
dialog h2 { margin: 0 50px 10px 0; font-size: 24px; }
dialog > p { color: var(--muted); line-height: 1.7; }
.help-list { display: grid; gap: 12px; margin-top: 22px; }
.help-list > div { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
.help-list > div > span { width: 30px; height: 30px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; font-weight: 700; }
.help-list p { margin: 0; }
.help-list strong, .help-list small { display: block; }
.help-list small { color: var(--muted); margin-top: 4px; }

.is-hidden { display: none !important; }

@media (max-width: 640px) {
  .topbar { height: 60px; padding-left: 16px; padding-right: 16px; }
  main { padding: 0 16px; }
  .intro { padding: 46px 0 42px; }
  .intro h1 { margin-top: 16px; }
  .hero-product { margin-bottom: 12px; gap: 10px; }
  .hero-product::before, .hero-product::after { width: 28px; }
  .lanji-wordmark--hero b,
  .lanji-wordmark--hero em { font-size: 21px; }
  .lanji-wordmark--hero i { height: 18px; }
  .hero-statement { font-size: 30px; line-height: 1.18; white-space: nowrap; }
  .intro > p { font-size: 14px; white-space: nowrap; }
  .value-strip { margin-top: 32px; padding: 14px 8px; }
  .value-strip div { flex-direction: column; gap: 5px; font-size: 12px; }
  .value-strip svg { width: 17px; }
  .privacy-line { align-items: flex-start; text-align: left; line-height: 1.55; }
  .analysis-transition, .completion-view { min-height: calc(100dvh - 116px); padding: 48px 0; }
  .analysis-transition h2, .completion-view h2 { font-size: 27px; }
  .form-workspace { padding: 24px 0 44px; }
  .ai-context { grid-template-columns: 36px 1fr; padding: 13px; }
  .ai-context-mark { width: 36px; height: 36px; }
  .ai-live { grid-column: 2; margin-top: -3px; }
  .form-step { padding: 24px 18px; }
  .form-step legend { font-size: 20px; }
  .step-copy { font-size: 14px; margin-bottom: 22px; }
  .field-grid { grid-template-columns: 1fr; gap: 0; }
  .option-grid { grid-template-columns: 1fr 1fr; }
  .option-grid span { min-height: 52px; padding: 8px; }
  .ai-response-panel, .adaptive-question, .hypothesis-card, .evidence-panel, .decision-preview, .contact-panel { padding: 16px; }
  .signal-options { grid-template-columns: 1fr 1fr; }
  .impact-options { grid-template-columns: 1fr; }
  .hypothesis-head { flex-direction: column; gap: 9px; }
  .hypothesis-card dl { grid-template-columns: 1fr; }
  .bundle-compact { grid-template-columns: 1fr; }
  .bundle-compact span { justify-content: flex-start; padding-left: 14px; }
  .capability-live > div { align-items: flex-start; flex-direction: column; gap: 4px; }
  .preview-header { align-items: flex-start; }
  .text-button.compact { min-height: 44px; }
  .preview-grid, .preview-lists { grid-template-columns: 1fr; }
  .preview-grid article { min-height: 0; }
  .segmented.three { grid-template-columns: 1fr; }
  .segmented span { min-height: 46px; }
  .check-grid { grid-template-columns: 1fr 1fr; }
  .check-grid label:last-child { grid-column: 1 / -1; }
  .form-actions { padding: 15px 18px calc(15px + env(safe-area-inset-bottom)); position: sticky; bottom: 0; z-index: 8; }
  .form-actions button { min-width: 0; flex: 1; padding: 0 12px; }
  .result-view { padding: 38px 0 52px; }
  .qualification-card { align-items: flex-start; gap: 14px; }
  .qualification-chip { white-space: nowrap; }
  .result-grid { grid-template-columns: 1fr; }
  .result-grid .full { grid-column: auto; }
  .result-actions { flex-direction: column; }
  .result-actions button { width: 100%; }
  .completion-view > button { width: 100%; }
}

@media (max-width: 360px) {
  .hero-statement { font-size: 26px; }
  .intro > p { font-size: 13px; white-space: normal; }
}

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