:root {
  --bg: #f7f7f2;
  --ink: #141923;
  --muted: #657083;
  --panel: #ffffff;
  --line: #dfe4dc;
  --red: #d2332f;
  --green: #168f54;
  --theme: #2867d7;
  --theme-dark: #143782;
  --theme-soft: #eaf3ff;
  --blue: var(--theme);
  --teal: #0f8c8c;
  --orange: #d66a22;
  --dark: #172033;
  --yellow: #ffdc42;
  --shadow: 0 18px 38px rgba(20, 25, 35, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  width: 100%;
  overflow-x: hidden;
  overscroll-behavior-x: none;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  width: 100%;
  min-width: 320px;
  min-height: 100vh;
  min-height: 100svh;
  padding-bottom: 82px;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.35;
  touch-action: pan-y;
  -webkit-tap-highlight-color: transparent;
}

body.customer-view-body {
  background: var(--theme-soft);
}

button {
  font: inherit;
}

button,
a,
input,
textarea,
select,
[role="button"] {
  touch-action: manipulation;
}

h1,
h2,
p {
  margin-top: 0;
}

#app,
.controls {
  width: min(100%, 430px);
  margin: 0 auto;
}

#app {
  overflow-x: clip;
}

.home-page,
.flow-page {
  min-height: 100vh;
  min-height: 100svh;
  padding: 14px;
}

.home-page {
  position: relative;
}

.flow-page.customer-view {
  background: var(--theme-soft);
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin: -14px -14px 14px;
  padding: 56px 14px 18px;
  background:
    linear-gradient(135deg, rgba(40, 103, 215, 0.94), rgba(20, 55, 130, 0.95)),
    url("assets/tutorial/customer-store-detail.jpg") center 32% / cover;
  color: #fff;
}

.home-hero-copy {
  min-width: 0;
}

.home-hero p,
.home-hero span {
  margin-bottom: 8px;
  font-size: 0.95rem;
  font-weight: 900;
}

.home-hero h1 {
  margin-bottom: 6px;
  font-size: 2rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.home-hero-logo {
  width: clamp(72px, 18vw, 112px);
  aspect-ratio: 1;
  object-fit: contain;
  filter: drop-shadow(0 12px 18px rgba(5, 20, 55, 0.24));
}

.language-switcher {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 20;
  display: grid;
  justify-items: end;
  gap: 6px;
}

.language-toggle,
.language-menu button {
  border: 0;
  border-radius: 8px;
  font-weight: 950;
  cursor: pointer;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--theme-dark);
  box-shadow: 0 8px 18px rgba(20, 25, 35, 0.18);
}

.language-toggle span {
  color: var(--muted);
  font-size: 0.75rem;
}

.language-toggle b {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.85rem;
}

.language-flag {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  width: 20px;
  height: 14px;
  overflow: hidden;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(20, 25, 35, 0.16);
}

.language-flag.flag-zh {
  background: #de2910;
}

.language-flag.flag-zh::before {
  content: "★";
  position: absolute;
  top: 0;
  left: 2px;
  color: #ffde00;
  font-size: 7px;
  line-height: 1;
}

.language-flag.flag-it {
  background: linear-gradient(90deg, #008c45 0 33.3%, #f4f5f0 33.3% 66.6%, #cd212a 66.6% 100%);
}

.language-menu {
  display: grid;
  gap: 4px;
  min-width: 116px;
  padding: 6px;
  border: 1px solid rgba(40, 103, 215, 0.18);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 28px rgba(20, 25, 35, 0.16);
}

.language-menu button {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 6px 9px;
  background: #fff;
  color: var(--dark);
  text-align: left;
}

.language-menu button[aria-checked="true"] {
  background: var(--theme-soft);
  color: var(--theme-dark);
}

.tutorial-grid {
  display: grid;
  gap: 10px;
}

.tutorial-card {
  display: grid;
  grid-template-columns: 42px 1fr;
  column-gap: 12px;
  align-items: center;
  min-height: 92px;
  padding: 12px;
  border: 2px solid transparent;
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  text-align: left;
  box-shadow: 0 12px 28px rgba(20, 25, 35, 0.08);
  cursor: pointer;
}

.tutorial-card span {
  grid-row: 1 / 3;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 900;
}

.tutorial-card small {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 900;
}

.tutorial-card strong {
  font-size: 1.35rem;
  line-height: 1.15;
}

.tutorial-card strong .title-accent {
  color: var(--card-accent, var(--theme));
  font-style: normal;
}

.tutorial-card.green span {
  background: var(--green);
}

.tutorial-card.blue span {
  background: var(--blue);
}

.tutorial-card.red span {
  background: var(--theme);
}

.tutorial-card.teal span {
  background: var(--teal);
}

.tutorial-card.orange span {
  background: var(--orange);
}

.tutorial-card.dark span {
  background: var(--dark);
}

.tutorial-card.red {
  border-color: rgba(40, 103, 215, 0.28);
}

.tutorial-card.green {
  border-color: rgba(22, 143, 84, 0.24);
}

.tutorial-card.blue {
  border-color: rgba(40, 103, 215, 0.24);
}

.tutorial-card.teal {
  border-color: rgba(15, 140, 140, 0.24);
}

.tutorial-card.orange {
  border-color: rgba(214, 106, 34, 0.24);
}

.tutorial-card.dark {
  border-color: rgba(23, 32, 51, 0.18);
}

.tutorial-card span,
.tutorial-card.green span,
.tutorial-card.blue span,
.tutorial-card.teal span,
.tutorial-card.orange span,
.tutorial-card.dark span,
.tutorial-card.red span {
  background: var(--theme);
}

.tutorial-card.green,
.tutorial-card.blue,
.tutorial-card.teal,
.tutorial-card.orange,
.tutorial-card.dark,
.tutorial-card.red {
  border-color: rgba(40, 103, 215, 0.26);
}

.tutorial-card.teal {
  --card-accent: var(--green);
  border-color: rgba(22, 143, 84, 0.28);
}

.tutorial-card.teal span {
  background: var(--green);
}

.tutorial-card.blue {
  --card-accent: #56b8ff;
  border-color: rgba(86, 184, 255, 0.36);
}

.tutorial-card.blue span {
  background: #56b8ff;
}

.tutorial-card.red {
  --card-accent: #14532d;
  border-color: rgba(20, 83, 45, 0.3);
}

.tutorial-card.red span {
  background: #14532d;
}

.tutorial-card.dark {
  --card-accent: var(--orange);
  border-color: rgba(214, 106, 34, 0.3);
}

.tutorial-card.dark span {
  background: var(--orange);
}

.tutorial-card.orange {
  --card-accent: #7c3aed;
  border-color: rgba(124, 58, 237, 0.3);
}

.tutorial-card.orange span {
  background: #7c3aed;
}

.tutorial-card.green {
  --card-accent: #c94b7c;
  border-color: rgba(201, 75, 124, 0.3);
}

.tutorial-card.green span {
  background: #c94b7c;
}

.assistant-widget {
  position: fixed;
  right: max(12px, calc((100% - 430px) / 2 + 12px), env(safe-area-inset-right));
  bottom: max(14px, calc(14px + env(safe-area-inset-bottom)));
  z-index: 35;
  display: grid;
  justify-items: end;
  width: min(390px, calc(100% - 24px));
  gap: 8px;
  pointer-events: none;
}

.assistant-fab,
.assistant-panel,
.assistant-panel button,
.assistant-form input {
  pointer-events: auto;
}

.assistant-fab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 52px;
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  background: var(--dark);
  color: #fff;
  box-shadow: 0 14px 30px rgba(20, 25, 35, 0.22);
  cursor: pointer;
}

.assistant-fab span {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--theme);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 950;
}

.assistant-fab b {
  font-size: 0.95rem;
  font-weight: 950;
}

.assistant-panel {
  order: -1;
  overflow: hidden;
  width: 100%;
  max-height: min(74vh, 620px);
  max-height: min(74svh, 620px);
  border: 2px solid rgba(40, 103, 215, 0.26);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 22px 50px rgba(20, 25, 35, 0.22);
}

.assistant-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px;
  background: var(--theme-soft);
}

.assistant-panel header div {
  display: grid;
  gap: 2px;
}

.assistant-panel header strong {
  font-size: 1rem;
  font-weight: 950;
}

.assistant-panel header span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.assistant-panel header button {
  border: 0;
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
  color: var(--dark);
  font-size: 0.85rem;
  font-weight: 950;
  cursor: pointer;
}

.assistant-messages {
  display: grid;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  padding: 12px;
  background: #fbfcff;
}

.assistant-message {
  display: grid;
  gap: 8px;
  max-width: 92%;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 850;
}

.assistant-message p {
  margin: 0;
}

.assistant-message.user {
  justify-self: end;
  background: var(--theme);
  color: #fff;
}

.assistant-message.bot {
  justify-self: start;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 6px 16px rgba(20, 25, 35, 0.08);
}

.assistant-link {
  width: max-content;
  max-width: 100%;
  border: 0;
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--theme);
  color: #fff;
  font-size: 0.86rem;
  font-weight: 950;
  cursor: pointer;
}

.assistant-quick {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--line);
}

.assistant-quick > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 950;
}

.assistant-quick > div:first-child button {
  border: 0;
  border-radius: 8px;
  padding: 5px 8px;
  background: var(--theme-soft);
  color: var(--theme-dark);
  font-size: 0.78rem;
  font-weight: 950;
}

.assistant-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.assistant-chips::-webkit-scrollbar {
  display: none;
}

.assistant-chips button {
  flex: 0 0 auto;
  max-width: 220px;
  border: 1px solid rgba(40, 103, 215, 0.24);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
  color: var(--dark);
  font-size: 0.85rem;
  font-weight: 900;
  text-align: left;
  cursor: pointer;
}

.assistant-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.assistant-form input {
  min-width: 0;
  min-height: 42px;
  border: 2px solid #d8e3f4;
  border-radius: 8px;
  padding: 0 10px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 850;
}

.assistant-form button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 0 12px;
  background: var(--dark);
  color: #fff;
  font-weight: 950;
  white-space: nowrap;
  cursor: pointer;
}

.assistant-form button[type="submit"] {
  background: var(--theme);
}

.bottom-tip {
  display: grid;
  gap: 7px;
  margin-top: 14px;
  padding: 12px;
  border-left: 6px solid var(--yellow);
  background: #fff;
}

.bottom-tip b {
  font-size: 1rem;
}

.bottom-tip span {
  font-size: 1rem;
  font-weight: 900;
}

.bottom-tip.compact {
  margin-bottom: 8px;
}

.flow-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  margin: -14px -14px 14px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 247, 242, 0.96);
  backdrop-filter: blur(14px);
}

.customer-view .flow-header {
  border-bottom-color: #bedcf2;
  background: rgba(255, 240, 246, 0.96);
}

.flow-header button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  background: #fff;
  color: var(--dark);
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(20, 25, 35, 0.08);
  cursor: pointer;
}

.step-jump-nav {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0 4px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.step-jump-nav::-webkit-scrollbar {
  display: none;
}

.step-jump {
  display: grid;
  grid-template-columns: 24px minmax(88px, 150px);
  gap: 6px;
  align-items: center;
  flex: 0 0 auto;
  min-height: 44px;
  max-width: 190px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  background: #fff;
  color: var(--dark);
  box-shadow: none;
  text-align: left;
  cursor: pointer;
}

.step-jump.active {
  border-color: rgba(40, 103, 215, 0.35);
  background: var(--theme-soft);
}

.flow-page.green .step-jump.active {
  border-color: rgba(22, 143, 84, 0.35);
  background: #e9f8ef;
}

.flow-page.teal .step-jump.active {
  border-color: rgba(15, 140, 140, 0.35);
  background: #e8f8f7;
}

.flow-page.orange .step-jump.active {
  border-color: rgba(214, 106, 34, 0.35);
  background: #fff0e5;
}

.flow-page.dark .step-jump.active {
  border-color: rgba(23, 32, 51, 0.35);
  background: #eef1f5;
}

.flow-page.red .step-jump.active {
  border-color: rgba(210, 51, 47, 0.35);
  background: #fff0ef;
}

.step-jump-index {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: var(--dark);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 900;
}

.step-jump.active .step-jump-index {
  background: var(--blue);
}

.flow-page.green .step-jump.active .step-jump-index {
  background: var(--green);
}

.flow-page.teal .step-jump.active .step-jump-index {
  background: var(--teal);
}

.flow-page.orange .step-jump.active .step-jump-index {
  background: var(--orange);
}

.flow-page.dark .step-jump.active .step-jump-index {
  background: var(--dark);
}

.flow-page.red .step-jump.active .step-jump-index {
  background: var(--red);
}

.step-jump-title {
  overflow: hidden;
  color: inherit;
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress-wrap {
  display: grid;
  gap: 6px;
}

.progress-text {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 900;
}

.progress-bar {
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: #d5dbe2;
}

.progress-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--red);
}

.flow-page.green .progress-bar span {
  background: var(--green);
}

.flow-page.blue .progress-bar span {
  background: var(--blue);
}

.flow-page.teal .progress-bar span {
  background: var(--teal);
}

.flow-page.orange .progress-bar span {
  background: var(--orange);
}

.flow-page.dark .progress-bar span {
  background: var(--dark);
}

.flow-page.red .progress-bar span {
  background: var(--red);
}

.flow-page .step-jump.active {
  border-color: rgba(40, 103, 215, 0.35);
  background: var(--theme-soft);
}

.flow-page .step-jump.active .step-jump-index,
.flow-page .progress-bar span {
  background: var(--blue);
}

.step-title {
  margin-bottom: 12px;
}

.role {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 8px;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 900;
}

.role.customer {
  background: var(--blue);
}

.role.staff {
  background: var(--teal);
}

.role.rule {
  background: var(--blue);
}

.role.manager {
  background: var(--dark);
}

.role.warning {
  background: #f0a000;
  color: #191919;
}

.role.danger {
  background: var(--red);
}

.role.done {
  background: var(--green);
}

.role.customer,
.role.staff,
.role.rule,
.role.manager,
.role.danger,
.role.done {
  background: var(--blue);
  color: #fff;
}

.role.warning {
  background: #f0a000;
  color: #191919;
}

.step-title h1 {
  margin-bottom: 6px;
  font-size: 1.45rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.step-title p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.04rem;
  font-weight: 850;
}

.instruction-card {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
  padding: 16px;
  border-left: 7px solid var(--blue);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(20, 25, 35, 0.08);
}

.instruction-card h1 {
  margin-bottom: 0;
  font-size: 1.55rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.instruction-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 850;
}

.instruction-card.staff {
  border-left-color: var(--teal);
}

.instruction-card.customer {
  border-left-color: var(--blue);
  background: #f8fcff;
}

.instruction-card.manager {
  border-left-color: var(--dark);
  background: #f6f8fb;
}

.instruction-card.warning {
  border-left-color: #f0a000;
  background: #fff9e6;
}

.instruction-card.danger {
  border-left-color: var(--red);
  background: #fff3f1;
}

.instruction-card.staff,
.instruction-card.customer,
.instruction-card.manager,
.instruction-card.danger {
  border-left-color: var(--blue);
}

.instruction-card.danger {
  background: #fff;
}

.instruction-card.warning {
  border-left-color: #f0a000;
  background: #fff9e6;
}

.bullet-list,
.check-list {
  display: grid;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.bullet-list li,
.check-list li {
  position: relative;
  min-height: 36px;
  padding: 8px 10px 8px 34px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 850;
}

.bullet-list li::before,
.check-list li::before {
  position: absolute;
  left: 10px;
  top: 12px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
}

.list-title {
  display: block;
  margin-bottom: 2px;
  font-weight: 950;
}

.list-description {
  display: block;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.35;
}

.note-box {
  margin-top: 4px;
  padding: 10px 12px;
  border-left: 6px solid var(--yellow);
  border-radius: 0 8px 8px 0;
  background: #fff;
  color: var(--ink) !important;
  font-size: 1rem !important;
}

.message-card,
.done-card {
  padding: 18px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.message-card h2,
.done-card h2 {
  margin-bottom: 8px;
  font-size: 1.55rem;
  line-height: 1.12;
}

.message-card p,
.done-card p {
  margin-bottom: 0;
  font-size: 1.1rem;
  font-weight: 900;
}

.message-card.danger,
.danger-box {
  background: #fff1ef;
  color: #941d19;
}

.message-card.warning {
  background: #fff8df;
  color: #4f3800;
}

.done-card {
  border-left: 8px solid var(--green);
}

.done-card strong {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
}

.done-card {
  border-left-color: var(--blue);
}

.done-card strong {
  background: var(--blue);
}

.choice-list {
  display: grid;
  gap: 12px;
}

.choice-list button {
  min-height: 70px;
  border: 2px solid var(--dark);
  border-radius: 8px;
  background: #fff;
  color: var(--dark);
  font-size: 1.2rem;
  font-weight: 900;
  text-align: left;
  padding: 12px 14px;
  cursor: pointer;
}

.choice-list button:active {
  transform: translateY(1px);
}

.customer-branch {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  border: 2px solid #acd4f4;
  border-radius: 8px;
  background: #f8fcff;
  box-shadow: 0 10px 24px rgba(40, 103, 215, 0.1);
}

.customer-branch-list {
  gap: 10px;
}

.customer-branch-list button {
  border-color: var(--theme);
  background: #fff;
  color: var(--theme-dark);
}

.customer-branch-list button:first-child {
  background: var(--theme);
  color: #fff;
}

.danger-box {
  margin: 12px 0 0;
  padding: 12px;
  border-left: 7px solid var(--red);
  font-size: 1.05rem;
  font-weight: 900;
}

.screenshot-step {
  display: grid;
  gap: 10px;
}

.visual-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
}

.visual-card {
  position: relative;
  display: block;
  margin: 0;
}

.visual-card.phone {
  width: min(100%, 380px);
  margin-right: auto;
  margin-left: auto;
}

.visual-open {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  padding: 0;
  border: 3px solid var(--dark);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.customer-view .visual-open {
  border-color: var(--blue);
  box-shadow: 0 18px 38px rgba(40, 103, 215, 0.16);
}

.visual-open img {
  display: block;
  width: 100%;
  height: auto;
}

.visual-hint {
  margin-top: 6px;
  color: #687386;
  font-size: 0.84rem;
  font-weight: 800;
  text-align: center;
}

.visual-card i {
  position: absolute;
  left: max(8px, calc(var(--x) - 2px));
  top: max(8px, calc(var(--y) - 38px));
  z-index: 2;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  font-style: normal;
  font-size: 0.95rem;
  font-weight: 900;
}

.visual-card i.edge {
  right: 8px;
  left: auto;
}

.manual-step {
  display: grid;
  gap: 10px;
}

.screen {
  position: relative;
  overflow: hidden;
  margin: 0 auto;
  border: 3px solid var(--dark);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.customer-view .screen {
  border-color: var(--blue);
  box-shadow: 0 18px 38px rgba(40, 103, 215, 0.16);
}

.customer-view .bottom-tip {
  border-left-color: var(--blue);
  background: #f8fcff;
}

.screen.phone {
  width: min(62vw, 250px);
  aspect-ratio: 9 / 16;
}

.screen.wide {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.screen.short {
  width: 100%;
  aspect-ratio: 16 / 6;
}

.screen.form {
  width: 100%;
  aspect-ratio: 1 / 1;
}

.screen.manual {
  width: min(100%, 360px);
  aspect-ratio: 9 / 16;
}

.screen img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.screen.wide img,
.screen.short img,
.screen.form img,
.screen.manual img,
.screen.contain img {
  object-fit: contain;
}

.hotspot-ring {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--w);
  height: var(--h);
  border: 4px solid var(--theme);
  border-radius: 8px;
  box-shadow: 0 0 0 4px rgba(40, 103, 215, 0.22);
  animation: pulse 1.2s infinite;
}

.screen i {
  position: absolute;
  left: max(8px, calc(var(--x) - 2px));
  top: max(8px, calc(var(--y) - 38px));
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  font-style: normal;
  font-size: 0.95rem;
  font-weight: 900;
}

.screen i.edge {
  right: 8px;
  left: auto;
}

.image-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.image-tools.single {
  grid-template-columns: 1fr;
}

.image-tools button {
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  background: #fff;
  color: var(--dark);
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(20, 25, 35, 0.08);
  cursor: pointer;
}

.zoom-panel {
  display: grid;
  gap: 8px;
}

.zoom-panel b {
  width: max-content;
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--yellow);
}

.zoom-window {
  overflow: hidden;
  min-height: 140px;
  max-height: 240px;
  border: 3px solid var(--red);
  border-radius: 8px;
  background: #fff;
}

.zoom-source,
.zoom-live {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 140px;
  max-height: 240px;
  object-fit: contain;
}

.zoom-live {
  transform: scale(var(--scale));
  transform-origin: var(--origin-x) var(--origin-y);
}

.controls {
  --control-color: var(--theme);
  --control-soft: var(--theme-soft);
  --control-disabled-text: #6d7f99;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 68px 1fr 1.35fr;
  gap: 8px;
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.controls.hidden {
  display: none;
}

.controls button {
  min-height: 52px;
  border: 0;
  border-radius: 8px;
  background: var(--dark);
  color: #fff;
  font-size: 1.02rem;
  font-weight: 900;
  cursor: pointer;
}

.controls button:disabled {
  background: var(--control-soft);
  color: var(--control-disabled-text);
}

.controls button:not(:disabled) {
  background: var(--control-color);
}

.controls[data-accent="blue"] {
  --control-color: #56b8ff;
  --control-soft: #e1f5ff;
  --control-disabled-text: #4d7f99;
}

.controls[data-accent="teal"] {
  --control-color: #168f54;
  --control-soft: #e2f5ea;
  --control-disabled-text: #397a57;
}

.controls[data-accent="green"] {
  --control-color: #c94b7c;
  --control-soft: #fde7f0;
  --control-disabled-text: #9a4968;
}

.controls[data-accent="orange"] {
  --control-color: #7c3aed;
  --control-soft: #ede4ff;
  --control-disabled-text: #6847a4;
}

.controls[data-accent="dark"] {
  --control-color: #d66a22;
  --control-soft: #fde8d7;
  --control-disabled-text: #9a5d35;
}

.controls[data-accent="red"] {
  --control-color: #14532d;
  --control-soft: #dff0e5;
  --control-disabled-text: #3d7052;
}

/* Flow pages inherit the matching home category color, except "注意" cards. */
.flow-page {
  --flow-color: var(--theme);
  --flow-soft: var(--theme-soft);
  --flow-border: rgba(40, 103, 215, 0.35);
}

.flow-page.blue {
  --flow-color: #56b8ff;
  --flow-soft: #eef9ff;
  --flow-border: rgba(86, 184, 255, 0.36);
}

.flow-page.teal {
  --flow-color: #168f54;
  --flow-soft: #eefaf3;
  --flow-border: rgba(22, 143, 84, 0.3);
}

.flow-page.green {
  --flow-color: #c94b7c;
  --flow-soft: #fff0f6;
  --flow-border: rgba(201, 75, 124, 0.3);
}

.flow-page.orange {
  --flow-color: #7c3aed;
  --flow-soft: #f5f0ff;
  --flow-border: rgba(124, 58, 237, 0.3);
}

.flow-page.dark {
  --flow-color: #d66a22;
  --flow-soft: #fff3e8;
  --flow-border: rgba(214, 106, 34, 0.32);
}

.flow-page.red {
  --flow-color: #14532d;
  --flow-soft: #edf8f1;
  --flow-border: rgba(20, 83, 45, 0.32);
}

.flow-page .progress-bar span,
.flow-page .step-jump.active .step-jump-index,
.flow-page.blue .progress-bar span,
.flow-page.teal .progress-bar span,
.flow-page.green .progress-bar span,
.flow-page.orange .progress-bar span,
.flow-page.dark .progress-bar span,
.flow-page.red .progress-bar span,
.flow-page.blue .step-jump.active .step-jump-index,
.flow-page.teal .step-jump.active .step-jump-index,
.flow-page.green .step-jump.active .step-jump-index,
.flow-page.orange .step-jump.active .step-jump-index,
.flow-page.dark .step-jump.active .step-jump-index,
.flow-page.red .step-jump.active .step-jump-index {
  background: var(--flow-color);
}

.flow-page .step-jump.active,
.flow-page.blue .step-jump.active,
.flow-page.teal .step-jump.active,
.flow-page.green .step-jump.active,
.flow-page.orange .step-jump.active,
.flow-page.dark .step-jump.active,
.flow-page.red .step-jump.active {
  border-color: var(--flow-border);
  background: var(--flow-soft);
}

.flow-page .instruction-card:not(.warning) {
  border-left-color: var(--flow-color);
}

.flow-page .instruction-card:not(.warning) .bullet-list li::before,
.flow-page .instruction-card:not(.warning) .check-list li::before {
  background: var(--flow-color);
}

.flow-page .role:not(.warning),
.flow-page .done-card strong {
  background: var(--flow-color);
  color: #fff;
}

.flow-page .done-card {
  border-left-color: var(--flow-color);
}

.flow-page .instruction-card.warning {
  border-left-color: #f0a000;
  background: #fff9e6;
}

.flow-page .instruction-card.warning .bullet-list li::before,
.flow-page .instruction-card.warning .check-list li::before {
  background: #f0a000;
}

.flow-page .role.warning {
  background: #f0a000;
  color: #191919;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  padding: 16px;
  background: rgba(0, 0, 0, 0.86);
  overscroll-behavior: contain;
  touch-action: none;
}

.modal.show {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 12px;
}

.modal-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.modal button {
  justify-self: end;
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  background: #fff;
  color: var(--dark);
  font-weight: 900;
}

.modal button:disabled {
  opacity: 0.45;
}

.modal-canvas {
  position: relative;
  display: grid;
  min-height: 0;
  overflow: hidden;
  touch-action: none;
}

.modal img {
  align-self: center;
  justify-self: center;
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  background: #fff;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform 0.12s ease;
  user-select: none;
  -webkit-user-drag: none;
  will-change: transform;
}

.modal img.zoomed {
  cursor: grab;
}

.modal img.dragging {
  cursor: grabbing;
  transition: none;
}

@media (max-width: 520px) {
  .modal {
    padding: 10px;
  }

  .modal-toolbar {
    display: flex;
    justify-content: flex-end;
  }

  .modal button {
    padding: 0 10px;
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  70% {
    transform: scale(1.14);
    opacity: 0.45;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}